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12
README.md
12
README.md
|
@ -54,8 +54,7 @@ The Syndicate DSL can be entered using `runActor` which calls a Nim body with a
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### Publish
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``` nim
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runActor("main") do (turn: Turn):
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let dataspace = newDataspace()
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runActor("main") do (dataspace: Ref; turn: Turn):
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let presenceHandle = publish(turn, dataspace, Present(username: "Judy"))
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# publish <Present "Judy"> to the dataspace
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# the assertion can be later retracted by handle
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@ -68,8 +67,7 @@ runActor("main") do (turn: Turn):
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We can react to assertions and messages within dataspaces using [patterns](https://synit.org/book/glossary.html#dataspace-pattern). Patterns are constructed using a Nim type and the `?` operator. Again a Nim type is used rather than a raw Preserves for schema consistency.
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``` nim
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runActor("main") do (turn: Turn):
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let dataspace = newDataspace()
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runActor("main") do (dataspace: Ref; turn: Turn):
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during(turn, dataspace, ?Present) do (who: string):
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# This body is active when the ?Present pattern is matched.
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# The Present type contains two atomic values that can be matched
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@ -96,10 +94,12 @@ Simple chat demo that is compatible with [chat.py](https://git.syndicate-lang.or
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```sh
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SYNDICATE_ROUTE='<route [<unix "/run/user/1000/dataspace">] [<ref {oid: "syndicate" sig: #x"69ca300c1dbfa08fba692102dd82311a"}>]>' nim c -r tests/test_chat.nim --user:fnord
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```
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### [syndicate_utils](https://git.syndicate-lang.org/ehmry/syndicate_utils)
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### [xdg_open_ng](https://git.syndicate-lang.org/ehmry/xdg_open_ng)
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Messaging, UNIX sockets, dynamic configuration, [Syndicate server](https://synit.org/book/operation/system-bus.html) interaction.
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---
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This work has been supported by the [NLnet Foundation](https://nlnet.nl/) and the European Commission's [Next Generation Internet programme](https://www.ngi.eu/). The [Syndicate Actor Model](https://syndicate-lang.org/projects/2021/system-layer/) through the [NGI Zero PET](https://nlnet.nl/PET/) program and this library as a part of the [ERIS project](https://eris.codeberg.page/) through [NGI Assure](https://nlnet.nl/assure/).
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[![NLnet](./nlnet.svg)](https://nlnet.nl/)
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[![NLnet](https://nlnet.nl/logo/banner.svg)](https://nlnet.nl/)
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3
Tupfile
3
Tupfile
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@ -1,2 +1,3 @@
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include_rules
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: sbom.json |> !sbom-to-nix |> | ./<lock>
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: |> !nim_lk |> {lockfile}
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: {lockfile} |> !nim_cfg |> | ./<lock>
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@ -1,4 +1,5 @@
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PROJECT_DIR = $(TUP_CWD)
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NIM_GROUPS += $(TUP_CWD)/<lock>
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include depends.tup
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NIM_GROUPS += $(TUP_CWD)/<lock>
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NIM_FLAGS += --path:$(TUP_CWD)/../cps
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NIM_FLAGS += --path:$(TUP_CWD)/../solo5_dispatcher/pkg
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NIM_FLAGS += --path:$(TUP_CWD)/../taps/src
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@ -1,6 +1,3 @@
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include ../preserves-nim/depends.tup
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NIM = $(DIRENV) $(NIM)
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NIM_FLAGS += --path:$(TUP_CWD)/src
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NIM_FLAGS += --path:$(TUP_CWD)/../preserves-nim/src
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NIM_GROUPS += $(TUP_CWD)/<protocol>
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NIM_GROUPS += $(TUP_CWD)/<schema>
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NIM_LOCK_EXCLUDES += "syndicate"
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@ -0,0 +1,175 @@
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|||
{
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||||
"depends": [
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||||
{
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||||
"method": "fetchzip",
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||||
"packages": [
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"bigints"
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||||
],
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||||
"path": "/nix/store/jvrm392g8adfsgf36prgwkbyd7vh5jsw-source",
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||||
"rev": "86ea14d31eea9275e1408ca34e6bfe9c99989a96",
|
||||
"sha256": "15pcpmnk1bnw3k8769rjzcpg00nahyrypwbxs88jnwr4aczp99j4",
|
||||
"srcDir": "src",
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||||
"url": "https://github.com/ehmry/nim-bigints/archive/86ea14d31eea9275e1408ca34e6bfe9c99989a96.tar.gz"
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||||
},
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||||
{
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||||
"method": "fetchzip",
|
||||
"packages": [
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||||
"cps"
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||||
],
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||||
"path": "/nix/store/8gbhwni0akqskdb3qhn5nfgv6gkdz0vz-source",
|
||||
"rev": "c90530ac57f98a842b7be969115c6ef08bdcc564",
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||||
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||||
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|
||||
"url": "https://github.com/ehmry/cps/archive/c90530ac57f98a842b7be969115c6ef08bdcc564.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"getdns"
|
||||
],
|
||||
"path": "/nix/store/x9xmn7w4k6jg8nv5bnx148ibhnsfh362-source",
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||||
"rev": "c73cbe288d9f9480586b8fa87f6d794ffb6a6ce6",
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||||
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|
||||
"url": "https://git.sr.ht/~ehmry/getdns-nim/archive/c73cbe288d9f9480586b8fa87f6d794ffb6a6ce6.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"getdns"
|
||||
],
|
||||
"path": "/nix/store/x9xmn7w4k6jg8nv5bnx148ibhnsfh362-source",
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||||
"rev": "c73cbe288d9f9480586b8fa87f6d794ffb6a6ce6",
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"sha256": "1sbgx2x51szr22i72n7c8jglnfmr8m7y7ga0v85d58fwadiv7g6b",
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||||
"srcDir": "src",
|
||||
"url": "https://git.sr.ht/~ehmry/getdns-nim/archive/c73cbe288d9f9480586b8fa87f6d794ffb6a6ce6.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"hashlib"
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||||
],
|
||||
"path": "/nix/store/fav82xdbicvlk34nmcbl89zx99lr3mbs-source",
|
||||
"rev": "f9455d4be988e14e3dc7933eb7cc7d7c4820b7ac",
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||||
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||||
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|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"nimcrypto"
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||||
],
|
||||
"path": "/nix/store/fkrcpp8lzj2yi21na79xm63xk0ggnqsp-source",
|
||||
"rev": "f147d30c69bc1c9bcf0e37f7699bcf0fbaab97b5",
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||||
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|
||||
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|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"npeg"
|
||||
],
|
||||
"path": "/nix/store/xpn694ibgipj8xak3j4bky6b3k0vp7hh-source",
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||||
"rev": "ec0cc6e64ea4c62d2aa382b176a4838474238f8d",
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"sha256": "1fi9ls3xl20bmv1ikillxywl96i9al6zmmxrbffx448gbrxs86kg",
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||||
"srcDir": "src",
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||||
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|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"preserves"
|
||||
],
|
||||
"path": "/nix/store/2hy124xgabz134dxj3wji7mp47fdwy3w-source",
|
||||
"rev": "9ae435a83c6d5028405538af5d24a023af625b6e",
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||||
"sha256": "1k7ywcp1a53x2fpc6wc2b0qzb264dkifash0s1wcp66rw3lx15k2",
|
||||
"srcDir": "src",
|
||||
"url": "https://git.syndicate-lang.org/ehmry/preserves-nim/archive/9ae435a83c6d5028405538af5d24a023af625b6e.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"stew"
|
||||
],
|
||||
"path": "/nix/store/mqg8qzsbcc8xqabq2yzvlhvcyqypk72c-source",
|
||||
"rev": "3c91b8694e15137a81ec7db37c6c58194ec94a6a",
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||||
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|
||||
"url": "https://github.com/status-im/nim-stew/archive/3c91b8694e15137a81ec7db37c6c58194ec94a6a.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
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||||
"packages": [
|
||||
"sys"
|
||||
],
|
||||
"path": "/nix/store/syhxsjlsdqfap0hk4qp3s6kayk8cqknd-source",
|
||||
"rev": "4ef3b624db86e331ba334e705c1aa235d55b05e1",
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||||
"srcDir": "src",
|
||||
"url": "https://github.com/ehmry/nim-sys/archive/4ef3b624db86e331ba334e705c1aa235d55b05e1.tar.gz"
|
||||
},
|
||||
{
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||||
"method": "fetchzip",
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||||
"packages": [
|
||||
"sys"
|
||||
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|
||||
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||||
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|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"taps"
|
||||
],
|
||||
"path": "/nix/store/n86g5fw60z1k53bn35zvrwlwmyk3ixdn-source",
|
||||
"rev": "756cb07b4f874181ad34c370cad6082ee65f646d",
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||||
"sha256": "0dp7ml3kj2fi6isvjkkxf02hwj0gshx6qra0ghnk2cbfykbcgfp8",
|
||||
"srcDir": "src",
|
||||
"url": "https://git.sr.ht/~ehmry/nim_taps/archive/756cb07b4f874181ad34c370cad6082ee65f646d.tar.gz"
|
||||
},
|
||||
{
|
||||
"date": "2024-04-02T15:38:57+01:00",
|
||||
"deepClone": false,
|
||||
"fetchLFS": false,
|
||||
"fetchSubmodules": true,
|
||||
"hash": "sha256-iZb9aAgYr4FGkqfIg49QWiCqeizIi047kFhugHiP8o0=",
|
||||
"leaveDotGit": false,
|
||||
"method": "git",
|
||||
"packages": [
|
||||
"solo5_dispatcher"
|
||||
],
|
||||
"path": "/nix/store/sf5dgj2ljvahcm6my7d61ibda51vnrii-solo5_dispatcher",
|
||||
"rev": "a7a894a96a2221284012800e6fd32923d83d20bd",
|
||||
"sha256": "13gjixw80vjqj0xlx2y85ixal82sa27q7j57j9383bqq11lgv5l9",
|
||||
"srcDir": "pkg",
|
||||
"url": "https://git.sr.ht/~ehmry/solo5_dispatcher"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"cps"
|
||||
],
|
||||
"path": "/nix/store/phdf6siqbhj7vx4qq507lzla81si60iz-source",
|
||||
"rev": "58772ff9ddb38a4b2ec52da142d8532ba2fe7039",
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||||
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||||
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|
||||
"url": "https://github.com/ehmry/cps/archive/58772ff9ddb38a4b2ec52da142d8532ba2fe7039.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"stew"
|
||||
],
|
||||
"path": "/nix/store/mqg8qzsbcc8xqabq2yzvlhvcyqypk72c-source",
|
||||
"rev": "3c91b8694e15137a81ec7db37c6c58194ec94a6a",
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"sha256": "17lfhfxp5nxvld78xa83p258y80ks5jb4n53152cdr57xk86y07w",
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"srcDir": "",
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||||
"url": "https://github.com/status-im/nim-stew/archive/3c91b8694e15137a81ec7db37c6c58194ec94a6a.tar.gz"
|
||||
}
|
||||
]
|
||||
}
|
45
nlnet.svg
45
nlnet.svg
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@ -1,45 +0,0 @@
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|
||||
},
|
||||
{
|
||||
"type": "library",
|
||||
"bom-ref": "pkg:nim/getdns",
|
||||
"name": "getdns",
|
||||
"version": "20230806",
|
||||
"externalReferences": [
|
||||
{
|
||||
"url": "https://git.sr.ht/~ehmry/getdns-nim/archive/e4ae0992ed7c5540e6d498f3074d06c8f454a0b6.tar.gz",
|
||||
"type": "source-distribution"
|
||||
},
|
||||
{
|
||||
"url": "https://git.sr.ht/~ehmry/getdns-nim",
|
||||
"type": "vcs"
|
||||
}
|
||||
],
|
||||
"properties": [
|
||||
{
|
||||
"name": "nix:fod:method",
|
||||
"value": "fetchzip"
|
||||
},
|
||||
{
|
||||
"name": "nix:fod:path",
|
||||
"value": "/nix/store/j8i20k9aarzppg4p234449140nnnaycq-source"
|
||||
},
|
||||
{
|
||||
"name": "nix:fod:rev",
|
||||
"value": "e4ae0992ed7c5540e6d498f3074d06c8f454a0b6"
|
||||
},
|
||||
{
|
||||
"name": "nix:fod:sha256",
|
||||
"value": "1dp53gndr6d9s9601dd5ipkiq94j53hlx46mxv8gpr8nd98bqysg"
|
||||
},
|
||||
{
|
||||
"name": "nix:fod:url",
|
||||
"value": "https://git.sr.ht/~ehmry/getdns-nim/archive/e4ae0992ed7c5540e6d498f3074d06c8f454a0b6.tar.gz"
|
||||
},
|
||||
{
|
||||
"name": "nix:fod:ref",
|
||||
"value": "20230806"
|
||||
},
|
||||
{
|
||||
"name": "nix:fod:srcDir",
|
||||
"value": "src"
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"dependencies": [
|
||||
{
|
||||
"ref": "pkg:nim/syndicate",
|
||||
"dependsOn": [
|
||||
"pkg:nim/nimcrypto",
|
||||
"pkg:nim/preserves",
|
||||
"pkg:nim/sys",
|
||||
"pkg:nim/taps",
|
||||
"pkg:nim/solo5_dispatcher"
|
||||
]
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/nimcrypto",
|
||||
"dependsOn": []
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/preserves",
|
||||
"dependsOn": [
|
||||
"pkg:nim/npeg",
|
||||
"pkg:nim/bigints"
|
||||
]
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/sys",
|
||||
"dependsOn": [
|
||||
"pkg:nim/cps",
|
||||
"pkg:nim/stew"
|
||||
]
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/taps",
|
||||
"dependsOn": [
|
||||
"pkg:nim/getdns",
|
||||
"pkg:nim/sys",
|
||||
"pkg:nim/cps",
|
||||
"pkg:nim/solo5_dispatcher"
|
||||
]
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/solo5_dispatcher",
|
||||
"dependsOn": [
|
||||
"pkg:nim/cps"
|
||||
]
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/npeg",
|
||||
"dependsOn": []
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/bigints",
|
||||
"dependsOn": []
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/cps",
|
||||
"dependsOn": []
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/stew",
|
||||
"dependsOn": []
|
||||
},
|
||||
{
|
||||
"ref": "pkg:nim/getdns",
|
||||
"dependsOn": []
|
||||
}
|
||||
]
|
||||
}
|
|
@ -2,6 +2,7 @@
|
|||
|
||||
pkgs.buildNimPackage {
|
||||
name = "dummy";
|
||||
lockFile = ./lock.json;
|
||||
buildInputs = builtins.attrValues { inherit (pkgs) getdns solo5; };
|
||||
nativeBuildInputs = builtins.attrValues { inherit (pkgs) pkg-config solo5; };
|
||||
}
|
||||
|
|
|
@ -1,2 +1,2 @@
|
|||
include_rules
|
||||
: foreach *.nim |> !nim-doc |>
|
||||
: foreach *.nim |> !nim_check |>
|
||||
|
|
|
@ -5,7 +5,7 @@
|
|||
|
||||
import std/[macros, tables, typetraits]
|
||||
|
||||
import pkg/preserves
|
||||
import preserves
|
||||
export fromPreserves, toPreserves
|
||||
|
||||
import ./syndicate/[actors, dataspaces, durings, patterns]
|
||||
|
@ -16,13 +16,13 @@ export actors, dataspace, dataspaces, patterns
|
|||
type Assertion* {.deprecated: "Assertion and Preserve[void] replaced by Value".} = Value
|
||||
|
||||
proc `!`*(typ: static typedesc): Pattern {.inline.} =
|
||||
patterns.matchType(typ)
|
||||
patterns.dropType(typ)
|
||||
|
||||
proc `?`*[T](val: T): Pattern {.inline.} =
|
||||
patterns.drop[T](val)
|
||||
patterns.grab[T](val)
|
||||
|
||||
proc `?:`*(typ: static typedesc): Pattern {.inline.} =
|
||||
patterns.grabTypeFlat(typ)
|
||||
patterns.grabType(typ)
|
||||
|
||||
proc `?:`*(typ: static typedesc; bindings: sink openArray[(int, Pattern)]): Pattern {.inline.} =
|
||||
patterns.grab(typ, bindings)
|
||||
|
@ -30,22 +30,25 @@ proc `?:`*(typ: static typedesc; bindings: sink openArray[(int, Pattern)]): Patt
|
|||
proc `?:`*(typ: static typedesc; bindings: sink openArray[(Value, Pattern)]): Pattern {.inline.} =
|
||||
patterns.grab(typ, bindings)
|
||||
|
||||
proc `??`*(pat: Pattern; bindings: openArray[(int, Pattern)]): Pattern {.inline.} =
|
||||
patterns.inject(pat, bindings)
|
||||
|
||||
type
|
||||
PublishProc = proc (turn: Turn; v: Value; h: Handle) {.closure.}
|
||||
RetractProc = proc (turn: Turn; h: Handle) {.closure.}
|
||||
MessageProc = proc (turn: Turn; v: Value) {.closure.}
|
||||
PublishProc = proc (turn: var Turn; v: Value; h: Handle) {.closure.}
|
||||
RetractProc = proc (turn: var Turn; h: Handle) {.closure.}
|
||||
MessageProc = proc (turn: var Turn; v: Value) {.closure.}
|
||||
ClosureEntity = ref object of Entity
|
||||
publishImpl*: PublishProc
|
||||
retractImpl*: RetractProc
|
||||
messageImpl*: MessageProc
|
||||
|
||||
method publish(e: ClosureEntity; turn: Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(e: ClosureEntity; turn: var Turn; a: AssertionRef; h: Handle) =
|
||||
if not e.publishImpl.isNil: e.publishImpl(turn, a.value, h)
|
||||
|
||||
method retract(e: ClosureEntity; turn: Turn; h: Handle) =
|
||||
method retract(e: ClosureEntity; turn: var Turn; h: Handle) =
|
||||
if not e.retractImpl.isNil: e.retractImpl(turn, h)
|
||||
|
||||
method message(e: ClosureEntity; turn: Turn; a: AssertionRef) =
|
||||
method message(e: ClosureEntity; turn: var Turn; a: AssertionRef) =
|
||||
if not e.messageImpl.isNil: e.messageImpl(turn, a.value)
|
||||
|
||||
proc argumentCount(handler: NimNode): int =
|
||||
|
@ -90,7 +93,7 @@ proc wrapPublishHandler(turn, handler: NimNode): NimNode =
|
|||
handlerSym = genSym(nskProc, "publish")
|
||||
bindingsSym = ident"bindings"
|
||||
quote do:
|
||||
proc `handlerSym`(`turn`: Turn; `bindingsSym`: Value; `handleSym`: Handle) =
|
||||
proc `handlerSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle) =
|
||||
`varSection`
|
||||
if fromPreserves(`valuesSym`, bindings):
|
||||
`publishBody`
|
||||
|
@ -102,7 +105,7 @@ proc wrapMessageHandler(turn, handler: NimNode): NimNode =
|
|||
handlerSym = genSym(nskProc, "message")
|
||||
bindingsSym = ident"bindings"
|
||||
quote do:
|
||||
proc `handlerSym`(`turn`: Turn; `bindingsSym`: Value) =
|
||||
proc `handlerSym`(`turn`: var Turn; `bindingsSym`: Value) =
|
||||
`varSection`
|
||||
if fromPreserves(`valuesSym`, bindings):
|
||||
`body`
|
||||
|
@ -116,17 +119,17 @@ proc wrapDuringHandler(turn, entryBody, exitBody: NimNode): NimNode =
|
|||
duringSym = genSym(nskProc, "during")
|
||||
if exitBody.isNil:
|
||||
quote do:
|
||||
proc `duringSym`(`turn`: Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
|
||||
proc `duringSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
|
||||
`varSection`
|
||||
if fromPreserves(`valuesSym`, `bindingsSym`):
|
||||
`publishBody`
|
||||
else:
|
||||
quote do:
|
||||
proc `duringSym`(`turn`: Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
|
||||
proc `duringSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
|
||||
`varSection`
|
||||
if fromPreserves(`valuesSym`, `bindingsSym`):
|
||||
`publishBody`
|
||||
proc action(`turn`: Turn) =
|
||||
proc action(`turn`: var Turn) =
|
||||
`exitBody`
|
||||
result = action
|
||||
|
||||
|
|
|
@ -1,4 +1,3 @@
|
|||
include_rules
|
||||
NIM_FLAGS += --path:$(TUP_CWD)/..
|
||||
: patterns.nim |> !nim_check |>
|
||||
: patterns.nim |> !nim_bin |>
|
||||
: foreach *.nim |> !nim_check |>
|
||||
|
|
|
@ -1,11 +1,12 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[assertions, deques, hashes, monotimes, options, sets, tables, times],
|
||||
pkg/cps,
|
||||
pkg/preserves,
|
||||
../syndicate/protocols/[protocol, sturdy, trace]
|
||||
import std/[assertions, deques, hashes, monotimes, options, sets, tables, times]
|
||||
import cps
|
||||
|
||||
import preserves
|
||||
import ../syndicate/protocols/[protocol, sturdy]
|
||||
import ../syndicate/protocols/trace
|
||||
|
||||
when defined(solo5):
|
||||
import solo5_dispatcher
|
||||
|
@ -20,7 +21,6 @@ when tracing:
|
|||
from std/os import getEnv
|
||||
|
||||
export Handle
|
||||
export sturdy.Caveat
|
||||
|
||||
type
|
||||
Oid = sturdy.Oid
|
||||
|
@ -41,7 +41,7 @@ type
|
|||
target*: Entity
|
||||
relay*: Facet
|
||||
# Entity has facet but a Cap is also scoped to a relay Facet
|
||||
caveats*: seq[Caveat]
|
||||
attenuation*: Attenuation
|
||||
|
||||
Ref* {.deprecated: "Ref was renamed to Cap".} = Cap
|
||||
|
||||
|
@ -64,13 +64,12 @@ type
|
|||
facetIdAllocator: uint
|
||||
exiting, exited: bool
|
||||
|
||||
TurnAction* = proc (t: Turn) {.closure.}
|
||||
TurnAction* = proc (t: var Turn) {.closure.}
|
||||
|
||||
Turn* = var TurnRef
|
||||
TurnRef* = ref object
|
||||
Turn* = ref object
|
||||
facet: Facet # active facet that may change during a turn
|
||||
work: Deque[tuple[facet: Facet, act: TurnAction]]
|
||||
effects: Table[Actor, TurnRef]
|
||||
effects: Table[Actor, Turn]
|
||||
when tracing:
|
||||
desc: TurnDescription
|
||||
|
||||
|
@ -85,9 +84,7 @@ type
|
|||
id: FacetId
|
||||
isAlive: bool
|
||||
|
||||
var
|
||||
rootActors {.threadvar.}: HashSet[Actor]
|
||||
turnQueue {.threadvar.}: Deque[TurnRef]
|
||||
var turnQueue {.threadvar.}: Deque[Turn]
|
||||
|
||||
when tracing:
|
||||
when defined(solo5):
|
||||
|
@ -147,6 +144,11 @@ when tracing:
|
|||
result.facet = cap.target.facet.id
|
||||
result.oid = cap.target.oid.toPreserves
|
||||
|
||||
method publish*(e: Entity; turn: var Turn; v: AssertionRef; h: Handle) {.base.} = discard
|
||||
method retract*(e: Entity; turn: var Turn; h: Handle) {.base.} = discard
|
||||
method message*(e: Entity; turn: var Turn; v: AssertionRef) {.base.} = discard
|
||||
method sync*(e: Entity; turn: var Turn; peer: Cap) {.base.} = discard
|
||||
|
||||
converter toActor(f: Facet): Actor = f.actor
|
||||
converter toActor(t: Turn): Actor = t.facet.actor
|
||||
converter toFacet(a: Actor): Facet = a.root
|
||||
|
@ -155,7 +157,7 @@ converter toFacet(t: Turn): Facet = t.facet
|
|||
using
|
||||
actor: Actor
|
||||
facet: Facet
|
||||
turn: Turn
|
||||
turn: var Turn
|
||||
action: TurnAction
|
||||
|
||||
proc labels(f: Facet): string =
|
||||
|
@ -183,28 +185,12 @@ when tracing:
|
|||
proc `$`*(t: Turn): string =
|
||||
"<Turn:" & $t.desc.id & ">"
|
||||
|
||||
proc attenuate*(cap: Cap; caveats: openarray[Caveat]): Cap =
|
||||
## Create a new `Cap` attenuated by a `caveats`.
|
||||
## These caveats are applied before those already present at `cap`.
|
||||
if caveats.len == 0: result = cap
|
||||
else:
|
||||
var att = newSeqOfCap[Caveat](caveats.len + cap.caveats.len)
|
||||
att.add cap.caveats
|
||||
att.add caveats
|
||||
result = Cap(
|
||||
target: cap.target,
|
||||
relay: cap.relay,
|
||||
caveats: att,
|
||||
)
|
||||
|
||||
proc attenuate*(cap: Cap; cav: Caveat): Cap =
|
||||
## Create a new `Cap` attenuated by a `Caveat`.
|
||||
result = Cap(
|
||||
target: cap.target,
|
||||
relay: cap.relay,
|
||||
caveats: cap.caveats,
|
||||
)
|
||||
result.caveats.add cav
|
||||
proc attenuate*(r: Cap; a: Attenuation): Cap =
|
||||
if a.len == 0: result = r
|
||||
else: result = Cap(
|
||||
target: r.target,
|
||||
relay: r.relay,
|
||||
attenuation: a & r.attenuation)
|
||||
|
||||
proc hash*(actor): Hash =
|
||||
result = actor[].unsafeAddr.hash
|
||||
|
@ -220,27 +206,27 @@ proc nextHandle(facet: Facet): Handle =
|
|||
result = succ(facet.actor.handleAllocator[])
|
||||
facet.actor.handleAllocator[] = result
|
||||
|
||||
template recallFacet(turn: Turn; body: untyped): untyped =
|
||||
template recallFacet(turn: var Turn; body: untyped): untyped =
|
||||
let facet = turn.facet
|
||||
block:
|
||||
body
|
||||
assert facet.actor == turn.facet.actor
|
||||
turn.facet = facet
|
||||
|
||||
proc queueWork*(turn: Turn; facet: Facet; act: TurnAction) =
|
||||
proc queueWork*(turn: var Turn; facet: Facet; act: TurnAction) =
|
||||
assert not facet.isNil
|
||||
turn.work.addLast((facet, act,))
|
||||
|
||||
proc queueTurn*(facet: Facet; act: TurnAction) =
|
||||
var turn = TurnRef(facet: facet)
|
||||
var turn = Turn(facet: facet)
|
||||
assert not facet.isNil
|
||||
turn.work.addLast((facet, act,))
|
||||
when tracing:
|
||||
turn.desc.id = nextTurnId()
|
||||
turnQueue.addLast(turn)
|
||||
|
||||
proc queueTurn*(prev: Turn; facet: Facet; act: TurnAction) =
|
||||
var next = TurnRef(facet: facet)
|
||||
proc queueTurn*(prev: var Turn; facet: Facet; act: TurnAction) =
|
||||
var next = Turn(facet: facet)
|
||||
assert not facet.isNil
|
||||
next.work.addLast((facet, act,))
|
||||
when tracing:
|
||||
|
@ -252,19 +238,16 @@ proc queueTurn*(prev: Turn; facet: Facet; act: TurnAction) =
|
|||
proc run*(facet: Facet; action: TurnAction) = queueTurn(facet, action)
|
||||
## Alias to queueTurn_.
|
||||
|
||||
proc run*(cap: Cap; action: TurnAction) = queueTurn(cap.relay, action)
|
||||
## Run `action` with a new `Turn` at the `Facet` that relays for `cap`.
|
||||
|
||||
proc facet*(turn: Turn): Facet = turn.facet
|
||||
|
||||
proc queueEffect*(turn: Turn; target: Facet; act: TurnAction) =
|
||||
proc queueEffect*(turn: var Turn; target: Facet; act: TurnAction) =
|
||||
let fremd = target.actor
|
||||
if fremd == turn.facet.actor:
|
||||
turn.work.addLast((target, act,))
|
||||
else:
|
||||
var fremdTurn = turn.effects.getOrDefault(fremd)
|
||||
if fremdTurn.isNil:
|
||||
fremdTurn = TurnRef(facet: target)
|
||||
fremdTurn = Turn(facet: target)
|
||||
turn.effects[fremd] = fremdTurn
|
||||
when tracing:
|
||||
fremdTurn.desc.id = nextTurnId()
|
||||
|
@ -358,7 +341,7 @@ proc instantiate(t: Template; bindings: Bindings): Value =
|
|||
for i, tt in t.tcompound.arr.items:
|
||||
result[i] = instantiate(tt, bindings)
|
||||
of TCompoundKind.dict:
|
||||
result = initDictionary(t.tcompound.dict.entries.len)
|
||||
result = initDictionary()
|
||||
for key, tt in t.tcompound.dict.entries:
|
||||
result[key] = instantiate(tt, bindings)
|
||||
|
||||
|
@ -367,19 +350,7 @@ proc rewrite(r: Rewrite; v: Value): Value =
|
|||
if bindings.isSome:
|
||||
result = instantiate(r.template, get bindings)
|
||||
|
||||
proc attenuate*(v: Value; cav: Caveat): Value =
|
||||
## Attenuate a `Value` by applying a `Caveat` function.
|
||||
runnableExamples:
|
||||
import pkg/preserves
|
||||
|
||||
proc parseCaveat(s: string): Caveat =
|
||||
doAssert result.fromPreserves(parsePreserves s)
|
||||
|
||||
let val = parsePreserves"""<foo { x: [ #t "bar" ] }> """
|
||||
doAssert val.attenuate(parseCaveat"""<reject <_>>""").isFalse
|
||||
doAssert val.attenuate(parseCaveat"""<reject <not <_>>>""") == val
|
||||
doAssert val.attenuate(parseCaveat"""<reject <not <rec foo [<_>]>>>""") == val
|
||||
|
||||
proc examineAlternatives(cav: Caveat; v: Value): Value =
|
||||
case cav.orKind
|
||||
of CaveatKind.Rewrite:
|
||||
result = rewrite(cav.rewrite, v)
|
||||
|
@ -387,24 +358,17 @@ proc attenuate*(v: Value; cav: Caveat): Value =
|
|||
for r in cav.alts.alternatives:
|
||||
result = rewrite(r, v)
|
||||
if not result.isFalse: break
|
||||
of CaveatKind.Reject:
|
||||
if cav.reject.pattern.match(v).isNone:
|
||||
result = v
|
||||
of CaveatKind.Reject: discard
|
||||
of CaveatKind.unknown: discard
|
||||
|
||||
proc attenuate*(v: Value; caveats: openarray[Caveat]): Value =
|
||||
## Attenuate a `Value` by applying `caveats`.
|
||||
## Application is in reverse order.
|
||||
proc runRewrites*(a: Attenuation; v: Value): Value =
|
||||
result = v
|
||||
var i = caveats.high
|
||||
while i > -1 and not result.isFalse:
|
||||
result = result.attenuate(caveats[i])
|
||||
dec i
|
||||
for stage in a:
|
||||
result = examineAlternatives(stage, result)
|
||||
if result.isFalse: break
|
||||
|
||||
method publish*(e: Entity; turn: Turn; v: AssertionRef; h: Handle) {.base.} = discard
|
||||
|
||||
proc publish(turn: Turn; cap: Cap; v: Value; h: Handle) =
|
||||
var a = v.attenuate(cap.caveats)
|
||||
proc publish(turn: var Turn; cap: Cap; v: Value; h: Handle) =
|
||||
var a = runRewrites(cap.attenuation, v)
|
||||
if not a.isFalse:
|
||||
let e = OutboundAssertion(handle: h, peer: cap)
|
||||
turn.facet.outbound[h] = e
|
||||
|
@ -415,92 +379,81 @@ proc publish(turn: Turn; cap: Cap; v: Value; h: Handle) =
|
|||
act.enqueue.event.target.oid = cap.target.oid.toPreserves
|
||||
act.enqueue.event.detail = trace.TurnEvent(orKind: trace.TurnEventKind.assert)
|
||||
act.enqueue.event.detail.assert.assertion.value.value =
|
||||
mapEmbeds(v) do (cap: Value) -> Value:
|
||||
result.embedded = true # #:#f
|
||||
mapEmbeds(v) do (cap: Value) -> Value: discard
|
||||
act.enqueue.event.detail.assert.handle = h
|
||||
turn.desc.actions.add act
|
||||
queueEffect(turn, cap.relay) do (turn: Turn):
|
||||
queueEffect(turn, cap.relay) do (turn: var Turn):
|
||||
e.established = true
|
||||
when tracing:
|
||||
turn.desc.actions.add act.toDequeue
|
||||
publish(cap.target, turn, AssertionRef(value: a), e.handle)
|
||||
|
||||
proc publish*(turn: Turn; r: Cap; a: Value): Handle {.discardable.} =
|
||||
proc publish*(turn: var Turn; r: Cap; a: Value): Handle {.discardable.} =
|
||||
result = turn.facet.nextHandle()
|
||||
publish(turn, r, a, result)
|
||||
|
||||
proc publish*[T](turn: Turn; r: Cap; a: T): Handle {.discardable.} =
|
||||
proc publish*[T](turn: var Turn; r: Cap; a: T): Handle {.discardable.} =
|
||||
publish(turn, r, a.toPreserves)
|
||||
|
||||
method retract*(e: Entity; turn: Turn; h: Handle) {.base.} = discard
|
||||
|
||||
proc retract(turn: Turn; e: OutboundAssertion) =
|
||||
proc retract(turn: var Turn; e: OutboundAssertion) =
|
||||
when tracing:
|
||||
var act = initEnqueue(turn, e.peer)
|
||||
act.enqueue.event.detail = trace.TurnEvent(orKind: TurnEventKind.retract)
|
||||
act.enqueue.event.detail.retract.handle = e.handle
|
||||
turn.desc.actions.add act
|
||||
queueEffect(turn, e.peer.relay) do (turn: Turn):
|
||||
queueEffect(turn, e.peer.relay) do (turn: var Turn):
|
||||
when tracing:
|
||||
turn.desc.actions.add act.toDequeue
|
||||
if e.established:
|
||||
e.established = false
|
||||
e.peer.target.retract(turn, e.handle)
|
||||
|
||||
proc retract*(turn: Turn; h: Handle) =
|
||||
proc retract*(turn: var Turn; h: Handle) =
|
||||
var e: OutboundAssertion
|
||||
if turn.facet.outbound.pop(h, e):
|
||||
turn.retract(e)
|
||||
|
||||
method message*(e: Entity; turn: Turn; v: AssertionRef) {.base.} = discard
|
||||
|
||||
proc message*(turn: Turn; r: Cap; v: Value) =
|
||||
var a = v.attenuate(r.caveats)
|
||||
proc message*(turn: var Turn; r: Cap; v: Value) =
|
||||
var a = runRewrites(r.attenuation, v)
|
||||
if not a.isFalse:
|
||||
when tracing:
|
||||
var act = initEnqueue(turn, r)
|
||||
act.enqueue.event.detail = trace.TurnEvent(orKind: TurnEventKind.message)
|
||||
act.enqueue.event.detail.message.body.value.value =
|
||||
mapEmbeds(a) do (cap: Value) -> Value:
|
||||
result.embedded = true # #:#f
|
||||
mapEmbeds(a) do (cap: Value) -> Value: discard
|
||||
turn.desc.actions.add act
|
||||
queueEffect(turn, r.relay) do (turn: Turn):
|
||||
queueEffect(turn, r.relay) do (turn: var Turn):
|
||||
when tracing:
|
||||
turn.desc.actions.add act.toDequeue
|
||||
r.target.message(turn, AssertionRef(value: a))
|
||||
|
||||
proc message*[T](turn: Turn; r: Cap; v: T) =
|
||||
proc message*[T](turn: var Turn; r: Cap; v: T) =
|
||||
message(turn, r, v.toPreserves)
|
||||
|
||||
method sync*(e: Entity; turn: Turn; peer: Cap) {.base.} =
|
||||
queueTurn(e.facet) do (turn: Turn):
|
||||
message(turn, peer, true.toPreserves)
|
||||
# complete sync on a later turn
|
||||
|
||||
proc sync*(turn: Turn; r, peer: Cap) =
|
||||
proc sync*(turn: var Turn; r, peer: Cap) =
|
||||
when tracing:
|
||||
var act = initEnqueue(turn, peer)
|
||||
act.enqueue.event.detail = trace.TurnEvent(orKind: TurnEventKind.sync)
|
||||
act.enqueue.event.detail.sync.peer = peer.toTraceTarget
|
||||
turn.desc.actions.add act
|
||||
queueEffect(turn, r.relay) do (turn: Turn):
|
||||
queueEffect(turn, r.relay) do (turn: var Turn):
|
||||
when tracing:
|
||||
turn.desc.actions.add act.toDequeue
|
||||
r.target.sync(turn, peer)
|
||||
|
||||
proc replace*[T](turn: Turn; cap: Cap; h: Handle; v: T): Handle =
|
||||
proc replace*[T](turn: var Turn; cap: Cap; h: Handle; v: T): Handle =
|
||||
result = publish(turn, cap, v)
|
||||
if h != default(Handle):
|
||||
retract(turn, h)
|
||||
|
||||
proc replace*[T](turn: Turn; cap: Cap; h: var Handle; v: T): Handle {.discardable.} =
|
||||
proc replace*[T](turn: var Turn; cap: Cap; h: var Handle; v: T): Handle {.discardable.} =
|
||||
var old = h
|
||||
h = publish(turn, cap, v)
|
||||
if old != default(Handle):
|
||||
retract(turn, old)
|
||||
h
|
||||
|
||||
proc stop*(turn: Turn)
|
||||
proc stop*(turn: var Turn)
|
||||
|
||||
proc newFacet(actor; parent: Facet; initialAssertions: OutboundTable): Facet =
|
||||
inc actor.facetIdAllocator
|
||||
|
@ -529,7 +482,7 @@ proc preventInertCheck*(turn: Turn) =
|
|||
|
||||
proc terminateActor(turn; reason: ref Exception)
|
||||
|
||||
proc terminateFacetOrderly(turn: Turn) =
|
||||
proc terminateFacetOrderly(turn: var Turn) =
|
||||
let facet = turn.facet
|
||||
if facet.isAlive:
|
||||
facet.isAlive = false
|
||||
|
@ -542,7 +495,7 @@ proc terminateFacetOrderly(turn: Turn) =
|
|||
retract(turn, e)
|
||||
clear facet.outbound
|
||||
|
||||
proc inertCheck(turn: Turn) =
|
||||
proc inertCheck(turn: var Turn) =
|
||||
if (not turn.facet.parent.isNil and
|
||||
(not turn.facet.parent.isAlive)) or
|
||||
turn.facet.isInert:
|
||||
|
@ -553,7 +506,7 @@ proc inertCheck(turn: Turn) =
|
|||
turn.desc.actions.add act
|
||||
stop(turn)
|
||||
|
||||
proc terminateFacet(turn: Turn) =
|
||||
proc terminateFacet(turn: var Turn) =
|
||||
let facet = turn.facet
|
||||
for child in facet.children:
|
||||
queueWork(turn, child, terminateFacetOrderly)
|
||||
|
@ -564,14 +517,14 @@ proc terminateFacet(turn: Turn) =
|
|||
# self-termination
|
||||
|
||||
proc stopIfInertAfter(action: TurnAction): TurnAction =
|
||||
proc work(turn: Turn) =
|
||||
proc work(turn: var Turn) =
|
||||
queueEffect(turn, turn.facet, inertCheck)
|
||||
action(turn)
|
||||
work
|
||||
|
||||
proc newFacet(turn: Turn): Facet = newFacet(turn.facet.actor, turn.facet)
|
||||
proc newFacet(turn: var Turn): Facet = newFacet(turn.facet.actor, turn.facet)
|
||||
|
||||
proc inFacet*(turn: Turn; bootProc: TurnAction): Facet {.discardable.} =
|
||||
proc inFacet*(turn: var Turn; bootProc: TurnAction): Facet {.discardable.} =
|
||||
result = newFacet(turn)
|
||||
recallFacet turn:
|
||||
turn.facet = result
|
||||
|
@ -604,7 +557,7 @@ proc bootActor*(name: string; bootProc: TurnAction): Actor {.discardable.} =
|
|||
## Boot a top-level actor.
|
||||
result = newActor(name, nil)
|
||||
new result.handleAllocator
|
||||
var turn = TurnRef(facet: result.root)
|
||||
var turn = Turn(facet: result.root)
|
||||
assert not result.root.isNil
|
||||
turn.work.addLast((result.root, bootProc,))
|
||||
when tracing:
|
||||
|
@ -613,9 +566,9 @@ proc bootActor*(name: string; bootProc: TurnAction): Actor {.discardable.} =
|
|||
turn.desc.cause.external.description = "bootActor".toPreserves
|
||||
turnQueue.addLast turn
|
||||
|
||||
proc spawnActor*(turn: Turn; name: string; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
|
||||
proc spawnActor*(turn: var Turn; name: string; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
|
||||
let actor = newActor(name, turn.facet)
|
||||
queueEffect(turn, actor.root) do (turn: Turn):
|
||||
queueEffect(turn, actor.root) do (turn: var Turn):
|
||||
var newOutBound: Table[Handle, OutboundAssertion]
|
||||
for key in initialAssertions:
|
||||
discard turn.facet.outbound.pop(key, newOutbound[key])
|
||||
|
@ -626,12 +579,12 @@ proc spawnActor*(turn: Turn; name: string; bootProc: TurnAction; initialAssertio
|
|||
run(actor, bootProc, newOutBound)
|
||||
actor
|
||||
|
||||
proc spawn*(name: string; turn: Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
|
||||
proc spawn*(name: string; turn: var Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
|
||||
spawnActor(turn, name, bootProc, initialAssertions)
|
||||
|
||||
type StopOnRetract = ref object of Entity
|
||||
|
||||
method retract*(e: StopOnRetract; turn: Turn; h: Handle) =
|
||||
method retract*(e: StopOnRetract; turn: var Turn; h: Handle) =
|
||||
stop(turn)
|
||||
|
||||
proc halfLink(facet, other: Facet) =
|
||||
|
@ -642,7 +595,7 @@ proc halfLink(facet, other: Facet) =
|
|||
established: true,
|
||||
)
|
||||
|
||||
proc linkActor*(turn: Turn; name: string; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
|
||||
proc linkActor*(turn: var Turn; name: string; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
|
||||
result = spawnActor(turn, name, bootProc, initialAssertions)
|
||||
halfLink(turn.facet, result.root)
|
||||
halfLink(result.root, turn.facet)
|
||||
|
@ -651,7 +604,7 @@ var inertActor {.threadvar.}: Actor
|
|||
|
||||
proc newInertCap*(): Cap =
|
||||
if inertActor.isNil:
|
||||
inertActor = bootActor("inert") do (turn: Turn): turn.stop()
|
||||
inertActor = bootActor("inert") do (turn: var Turn): turn.stop()
|
||||
Cap(relay: inertActor.root)
|
||||
|
||||
proc atExit*(actor; action) = actor.exitHooks.add action
|
||||
|
@ -674,7 +627,7 @@ proc terminateActor(turn; reason: ref Exception) =
|
|||
if reason.isNil:
|
||||
terminateActor(turn, err)
|
||||
return
|
||||
proc finish(turn: Turn) =
|
||||
proc finish(turn: var Turn) =
|
||||
assert not actor.root.isNil, actor.name
|
||||
terminateFacet(turn)
|
||||
actor.root = nil
|
||||
|
@ -682,14 +635,14 @@ proc terminateActor(turn; reason: ref Exception) =
|
|||
queueTurn(actor.root, finish)
|
||||
|
||||
proc terminateFacet*(facet; e: ref Exception) =
|
||||
run(facet.actor.root) do (turn: Turn):
|
||||
run(facet.actor.root) do (turn: var Turn):
|
||||
terminateActor(turn, e)
|
||||
|
||||
proc terminate*(turn: Turn; e: ref Exception) =
|
||||
proc terminate*(turn: var Turn; e: ref Exception) =
|
||||
terminateActor(turn, e)
|
||||
|
||||
proc stop*(turn: Turn, facet: Facet) =
|
||||
queueEffect(turn, facet) do (turn: Turn):
|
||||
proc stop*(turn: var Turn, facet: Facet) =
|
||||
queueEffect(turn, facet) do (turn: var Turn):
|
||||
when tracing:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.facetStop)
|
||||
act.facetstop.path = facet.path
|
||||
|
@ -697,20 +650,17 @@ proc stop*(turn: Turn, facet: Facet) =
|
|||
turn.desc.actions.add act
|
||||
terminateFacet(turn)
|
||||
|
||||
proc stopFacet*(turn: Turn) = stop(turn, turn.facet)
|
||||
## Stop the `Facet` currently active for this `Turn`.
|
||||
|
||||
proc stop*(turn: Turn) {.deprecated:"use stopFacet(turn)".} =
|
||||
proc stop*(turn: var Turn) =
|
||||
stop(turn, turn.facet)
|
||||
|
||||
proc stop*(facet: Facet) =
|
||||
run(facet, stop)
|
||||
|
||||
proc onStop*(facet: Facet; act: TurnAction) =
|
||||
## Add a `proc (turn: Turn)` action to `facet` to be called as it stops.
|
||||
## Add a `proc (turn: var Turn)` action to `facet` to be called as it stops.
|
||||
add(facet.shutdownActions, act)
|
||||
|
||||
proc onStop*(turn: Turn; act: TurnAction) =
|
||||
proc onStop*(turn: var Turn; act: TurnAction) =
|
||||
onStop(turn.facet, act)
|
||||
|
||||
proc isAlive(actor): bool =
|
||||
|
@ -718,7 +668,7 @@ proc isAlive(actor): bool =
|
|||
|
||||
proc stop*(actor: Actor) =
|
||||
if actor.isAlive:
|
||||
queueTurn(actor.root) do (turn: Turn):
|
||||
queueTurn(actor.root) do (turn: var Turn):
|
||||
assert(not turn.facet.isNil)
|
||||
when tracing:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.facetStop)
|
||||
|
@ -730,10 +680,10 @@ proc stop*(actor: Actor) =
|
|||
proc stopActor*(facet: Facet) =
|
||||
stop(facet.actor)
|
||||
|
||||
proc stopActor*(turn: Turn) =
|
||||
proc stopActor*(turn: var Turn) =
|
||||
stop(turn, turn.facet.actor.root)
|
||||
|
||||
proc freshen*(turn: Turn, act: TurnAction) {.deprecated.} =
|
||||
proc freshen*(turn: var Turn, act: TurnAction) {.deprecated.} =
|
||||
run(turn.facet, act)
|
||||
|
||||
proc newCap*(relay: Facet; entity: Entity): Cap =
|
||||
|
@ -750,10 +700,10 @@ proc newCap*(e: Entity; turn): Cap =
|
|||
type SyncContinuation {.final.} = ref object of Entity
|
||||
action: TurnAction
|
||||
|
||||
method message(entity: SyncContinuation; turn: Turn; v: AssertionRef) =
|
||||
method message(entity: SyncContinuation; turn: var Turn; v: AssertionRef) =
|
||||
entity.action(turn)
|
||||
|
||||
proc sync*(turn: Turn; refer: Cap; act: TurnAction) =
|
||||
proc sync*(turn: var Turn; refer: Cap; act: TurnAction) =
|
||||
sync(turn, refer, newCap(turn, SyncContinuation(action: act)))
|
||||
|
||||
proc running*(actor): bool =
|
||||
|
@ -761,9 +711,7 @@ proc running*(actor): bool =
|
|||
if not (result or actor.exitReason.isNil):
|
||||
raise actor.exitReason
|
||||
|
||||
proc facet*(actor): Facet = actor.root
|
||||
|
||||
proc run(turn: Turn) =
|
||||
proc run(turn: var Turn) =
|
||||
while turn.work.len > 0:
|
||||
var (facet, act) = turn.work.popFirst()
|
||||
assert not act.isNil
|
||||
|
@ -788,24 +736,8 @@ proc runPendingTurns* =
|
|||
terminateActor(turn, err)
|
||||
raise err
|
||||
|
||||
proc runOnce*(timeout = none(Duration)): bool {.discardable.} =
|
||||
## Run pending turns if there are any, otherwise
|
||||
## poll for external events and run any resulting turns.
|
||||
## Return true if any turns have been processed.
|
||||
if turnQueue.len == 0:
|
||||
when defined(solo5):
|
||||
discard solo5_dispatcher.runOnce(timeout)
|
||||
else:
|
||||
var ready: seq[Continuation]
|
||||
ioqueue.poll(ready, timeout)
|
||||
while ready.len > 0:
|
||||
discard trampoline:
|
||||
ready.pop()
|
||||
result = turnQueue.len > 0
|
||||
runPendingTurns()
|
||||
|
||||
proc run* =
|
||||
## Run actors to completion.
|
||||
## Run actors to completion
|
||||
when defined(solo5):
|
||||
while turnQueue.len > 0 or solo5_dispatcher.runOnce():
|
||||
runPendingTurns()
|
||||
|
@ -813,8 +745,7 @@ proc run* =
|
|||
var ready: seq[Continuation]
|
||||
while true:
|
||||
runPendingTurns()
|
||||
try: ioqueue.poll(ready)
|
||||
except OSError: discard
|
||||
ioqueue.poll(ready)
|
||||
if ready.len == 0: break
|
||||
while ready.len > 0:
|
||||
discard trampoline:
|
||||
|
@ -825,9 +756,6 @@ proc runActor*(name: string; bootProc: TurnAction) =
|
|||
let actor = bootActor(name, bootProc)
|
||||
if not actor.exitReason.isNil:
|
||||
raise actor.exitReason
|
||||
actor.atExit do (turn: Turn):
|
||||
rootActors.excl actor
|
||||
rootActors.incl actor
|
||||
when defined(solo5):
|
||||
runPendingTurns()
|
||||
while (actor.isAlive and solo5_dispatcher.runOnce()) or turnQueue.len > 0:
|
||||
|
@ -837,22 +765,6 @@ proc runActor*(name: string; bootProc: TurnAction) =
|
|||
if not actor.exitReason.isNil:
|
||||
raise actor.exitReason
|
||||
|
||||
when defined(posix):
|
||||
proc stopActorsHook() {.noconv.} =
|
||||
stderr.writeLine " stopping actors "
|
||||
if rootActors.len == 0: quit(-1) # Ctrl-C double-tap, scram
|
||||
let act: TurnAction = stopActor
|
||||
for actor in rootActors:
|
||||
let turn = TurnRef(facet: actor.root)
|
||||
turn.work.addLast((actor.root, act,))
|
||||
when tracing:
|
||||
turn.desc.id = nextTurnId()
|
||||
turnQueue.addLast(turn)
|
||||
rootActors.clear()
|
||||
# dump all actors
|
||||
|
||||
setControlCHook(stopActorsHook)
|
||||
|
||||
type FacetGuard* = object
|
||||
facet: Facet
|
||||
|
||||
|
|
|
@ -1,10 +1,9 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[options, tables, times],
|
||||
pkg/preserves,
|
||||
../../syndicate, ../protocols/timer
|
||||
import std/times
|
||||
import preserves
|
||||
import ../../syndicate, ../bags, ../protocols/[timer, dataspace]
|
||||
|
||||
when defined(solo5):
|
||||
import solo5_dispatcher
|
||||
|
@ -13,6 +12,9 @@ else:
|
|||
|
||||
export timer
|
||||
|
||||
type
|
||||
Observe = dataspace.Observe
|
||||
|
||||
when defined(solo5):
|
||||
import solo5, solo5_dispatcher
|
||||
|
||||
|
@ -25,7 +27,7 @@ when defined(solo5):
|
|||
## Owning facet of driver.
|
||||
target: Cap
|
||||
## Destination for LaterThan assertions.
|
||||
deadlines: Table[float, Facet]
|
||||
deadlines: Bag[float]
|
||||
## Deadlines that other actors are observing.
|
||||
|
||||
proc spawnTimerDriver(facet: Facet; cap: Cap): TimerDriver =
|
||||
|
@ -33,12 +35,11 @@ when defined(solo5):
|
|||
|
||||
proc await(driver: TimerDriver; deadline: float) {.solo5dispatch.} =
|
||||
yieldUntil(deadline)
|
||||
let facet = driver.deadlines.getOrDefault(deadline)
|
||||
if not facet.isNil:
|
||||
if deadline in driver.deadlines:
|
||||
# check if the deadline is still observed
|
||||
proc turnWork(turn: Turn) =
|
||||
proc turnWork(turn: var Turn) =
|
||||
discard publish(turn, driver.target, LaterThan(seconds: deadline))
|
||||
run(facet, turnWork)
|
||||
run(driver.facet, turnWork)
|
||||
|
||||
else:
|
||||
import std/[oserrors, posix, sets]
|
||||
|
@ -49,12 +50,21 @@ else:
|
|||
proc timerfd_create(clock_id: ClockId, flags: cint): cint {.timerfd.}
|
||||
proc timerfd_settime(ufd: cint, flags: cint,
|
||||
utmr: var Itimerspec, otmr: var Itimerspec): cint {.timerfd.}
|
||||
proc timerfd_gettime(ufd: cint, curr: var Itimerspec): cint {.timerfd.}
|
||||
|
||||
var
|
||||
TFD_NONBLOCK {.timerfd.}: cint
|
||||
TFD_CLOEXEC {.timerfd.}: cint
|
||||
TFD_TIMER_ABSTIME {.timerfd.}: cint
|
||||
|
||||
proc `<`(a, b: Timespec): bool =
|
||||
a.tv_sec.clong < b.tv_sec.clong or
|
||||
(a.tv_sec.clong == b.tv_sec.clong and a.tv_nsec < b.tv_nsec)
|
||||
|
||||
proc `+`(a, b: Timespec): Timespec =
|
||||
result.tv_sec = Time a.tv_sec.clong + b.tv_sec.clong
|
||||
result.tv_nsec = a.tv_nsec + b.tv_nsec
|
||||
|
||||
func toFloat(ts: Timespec): float =
|
||||
ts.tv_sec.float + ts.tv_nsec.float / 1_000_000_000
|
||||
|
||||
|
@ -74,19 +84,26 @@ else:
|
|||
## Owning facet of driver.
|
||||
target: Cap
|
||||
## Destination for LaterThan assertions.
|
||||
deadlines: Table[float, Facet]
|
||||
deadlines: Bag[float]
|
||||
## Deadlines that other actors are observing.
|
||||
timers: HashSet[cint]
|
||||
# TODO: use a single timer descriptor
|
||||
|
||||
proc spawnTimerDriver(facet: Facet; cap: Cap): TimerDriver =
|
||||
let driver = TimerDriver(facet: facet, target: cap)
|
||||
facet.onStop do (turn: Turn):
|
||||
facet.onStop do (turn: var Turn):
|
||||
for fd in driver.timers:
|
||||
unregister(FD fd)
|
||||
discard close(fd)
|
||||
driver
|
||||
|
||||
proc earliestFloat(driver: TimerDriver): float =
|
||||
assert driver.deadlines.len > 0
|
||||
result = high float
|
||||
for deadline in driver.deadlines:
|
||||
if deadline < result:
|
||||
result = deadline
|
||||
|
||||
proc await(driver: TimerDriver; deadline: float) {.asyncio.} =
|
||||
## Run timer driver concurrently with actor.
|
||||
let fd = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK or TFD_CLOEXEC)
|
||||
|
@ -102,76 +119,29 @@ else:
|
|||
# Check if the timer is expired which
|
||||
# could happen before waiting.
|
||||
wait(FD fd, Read)
|
||||
let facet = driver.deadlines.getOrDefault(deadline)
|
||||
if not facet.isNil:
|
||||
if deadline in driver.deadlines:
|
||||
# Check if the deadline is still observed.
|
||||
proc turnWork(turn: Turn) =
|
||||
proc turnWork(turn: var Turn) =
|
||||
discard publish(turn, driver.target, LaterThan(seconds: deadline))
|
||||
run(facet, turnWork)
|
||||
run(driver.facet, turnWork)
|
||||
discard close(fd)
|
||||
driver.timers.excl(fd)
|
||||
|
||||
proc runTimer(driver: TimerDriver; peer: Cap; label: Value; start, deadline: float) {.asyncio.} =
|
||||
## Run timer driver concurrently with actor.
|
||||
assert start < deadline
|
||||
let fd = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK or TFD_CLOEXEC)
|
||||
if fd < 0:
|
||||
raiseOSError(osLastError(), "failed to acquire timer descriptor")
|
||||
var
|
||||
old: Itimerspec
|
||||
its = Itimerspec(it_value: deadline.toTimespec)
|
||||
if timerfd_settime(fd, TFD_TIMER_ABSTIME, its, old) < 0:
|
||||
raiseOSError(osLastError(), "failed to set timeout")
|
||||
driver.timers.incl(fd)
|
||||
var now = wallFloat()
|
||||
while now < deadline:
|
||||
# Check if the timer is expired which
|
||||
# could happen before waiting.
|
||||
wait(FD fd, Read)
|
||||
now = wallFloat()
|
||||
let facet = driver.deadlines.getOrDefault(deadline)
|
||||
if not facet.isNil:
|
||||
# Check if the deadline is still observed.
|
||||
proc turnWork(turn: Turn) =
|
||||
message(turn, peer, TimerExpired(label: label, seconds: now - start))
|
||||
run(facet, turnWork)
|
||||
discard close(fd)
|
||||
driver.timers.excl(fd)
|
||||
driver.deadlines.del deadline
|
||||
|
||||
proc spawnTimerDriver*(turn: Turn; ds: Cap): Actor {.discardable.} =
|
||||
proc spawnTimerActor*(turn: var Turn; ds: Cap): Actor {.discardable.} =
|
||||
## Spawn a timer actor that responds to
|
||||
## dataspace observations of timeouts on `ds`.
|
||||
linkActor(turn, "timers") do (turn: Turn):
|
||||
linkActor(turn, "timers") do (turn: var Turn):
|
||||
let driver = spawnTimerDriver(turn.facet, ds)
|
||||
|
||||
let laterThanPat = observePattern(!LaterThan, {@[0.toPreserves]: grabLit()})
|
||||
during(turn, ds, laterThanPat) do (deadline: float):
|
||||
driver.deadlines[deadline] = turn.facet
|
||||
discard trampoline:
|
||||
whelp await(driver, deadline)
|
||||
let pat = inject(grab Observe(pattern: dropType LaterThan), {0: grabLit()})
|
||||
during(turn, ds, pat) do (deadline: float):
|
||||
if change(driver.deadlines, deadline, +1) == cdAbsentToPresent:
|
||||
discard trampoline(whelp await(driver, deadline))
|
||||
do:
|
||||
driver.deadlines.del deadline
|
||||
discard change(driver.deadlines, deadline, -1, clamp = true)
|
||||
# TODO: retract assertions that are unobserved.
|
||||
|
||||
during(turn, ds, SetTimer.grabType) do (req: SetTimer):
|
||||
var
|
||||
now = wallFloat()
|
||||
deadline = req.seconds
|
||||
let peer = req.peer.unembed Cap
|
||||
if peer.isSome:
|
||||
if req.kind == TimerKind.relative:
|
||||
deadline = deadline + now
|
||||
if deadline <= now:
|
||||
message(turn, peer.get, TimerExpired(label: req.label))
|
||||
else:
|
||||
driver.deadlines[deadline] = turn.facet
|
||||
discard trampoline:
|
||||
whelp driver.runTimer(peer.get, req.label, now, deadline)
|
||||
do:
|
||||
driver.deadlines.del deadline
|
||||
|
||||
proc after*(turn: Turn; ds: Cap; dur: Duration; act: TurnAction) =
|
||||
proc after*(turn: var Turn; ds: Cap; dur: Duration; act: TurnAction) =
|
||||
## Execute `act` after some duration of time.
|
||||
var later = wallFloat() + dur.inMilliseconds.float / 1_000.0
|
||||
onPublish(turn, ds, ?LaterThan(seconds: later)):
|
||||
onPublish(turn, ds, grab LaterThan(seconds: later)):
|
||||
act(turn)
|
|
@ -6,21 +6,17 @@ runnableExamples:
|
|||
let sturdy = mint()
|
||||
check $sturdy == """<ref {oid: "syndicate" sig: #x"69ca300c1dbfa08fba692102dd82311a"}>"""
|
||||
|
||||
import
|
||||
std/[options, tables],
|
||||
pkg/nimcrypto/[blake2, hmac],
|
||||
pkg/preserves,
|
||||
./protocols/sturdy
|
||||
import std/[options, tables]
|
||||
from std/sequtils import toSeq
|
||||
import hashlib/misc/blake2
|
||||
|
||||
import preserves
|
||||
import ./protocols/sturdy
|
||||
|
||||
export `$`
|
||||
|
||||
proc hmac(key, data: openarray[byte]): seq[byte] =
|
||||
result = newSeq[byte](32)
|
||||
var ctx: HMAC[blake2_256]
|
||||
ctx.init key
|
||||
ctx.update data
|
||||
discard ctx.finish result
|
||||
result.setLen 16
|
||||
count[Hmac[BLAKE2S_256]](key, data).data[0..15].toSeq
|
||||
|
||||
proc mint*(key: openarray[byte]; oid: Value): SturdyRef =
|
||||
result.parameters.oid = oid
|
||||
|
|
|
@ -1,9 +1,8 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-FileCopyrightText: 2021 ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[options, sets, tables],
|
||||
pkg/preserves
|
||||
import preserves
|
||||
import options, sets, tables
|
||||
|
||||
type
|
||||
Set = HashSet
|
||||
|
|
|
@ -1,10 +1,9 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-FileCopyrightText: ☭ 2022 Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[hashes, options, tables],
|
||||
pkg/preserves,
|
||||
./actors, ./protocols/dataspace, ./skeletons
|
||||
import std/[hashes, options, tables]
|
||||
import preserves
|
||||
import ./actors, ./protocols/dataspace, ./skeletons
|
||||
|
||||
from ./protocols/protocol import Handle
|
||||
|
||||
|
@ -17,14 +16,14 @@ type
|
|||
index: Index
|
||||
handleMap: Table[Handle, Assertion]
|
||||
|
||||
method publish(ds: Dataspace; turn: Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(ds: Dataspace; turn: var Turn; a: AssertionRef; h: Handle) =
|
||||
if add(ds.index, turn, a.value):
|
||||
var obs = a.value.preservesTo(Observe)
|
||||
if obs.isSome and obs.get.observer of Cap:
|
||||
ds.index.add(turn, obs.get.pattern, Cap(obs.get.observer))
|
||||
ds.handleMap[h] = a.value
|
||||
|
||||
method retract(ds: Dataspace; turn: Turn; h: Handle) =
|
||||
method retract(ds: Dataspace; turn: var Turn; h: Handle) =
|
||||
let v = ds.handleMap[h]
|
||||
if remove(ds.index, turn, v):
|
||||
ds.handleMap.del h
|
||||
|
@ -32,20 +31,20 @@ method retract(ds: Dataspace; turn: Turn; h: Handle) =
|
|||
if obs.isSome and obs.get.observer of Cap:
|
||||
ds.index.remove(turn, obs.get.pattern, Cap(obs.get.observer))
|
||||
|
||||
method message(ds: Dataspace; turn: Turn; a: AssertionRef) =
|
||||
method message(ds: Dataspace; turn: var Turn; a: AssertionRef) =
|
||||
ds.index.deliverMessage(turn, a.value)
|
||||
|
||||
proc newDataspace*(turn: Turn): Cap =
|
||||
proc newDataspace*(turn: var Turn): Cap =
|
||||
newCap(turn, Dataspace(index: initIndex()))
|
||||
|
||||
type BootProc = proc (turn: Turn; ds: Cap) {.closure.}
|
||||
type DeprecatedBootProc = proc (ds: Cap; turn: Turn) {.closure.}
|
||||
type BootProc = proc (turn: var Turn; ds: Cap) {.closure.}
|
||||
type DeprecatedBootProc = proc (ds: Cap; turn: var Turn) {.closure.}
|
||||
|
||||
proc bootDataspace*(name: string; bootProc: BootProc): Actor =
|
||||
bootActor(name) do (turn: Turn):
|
||||
bootActor(name) do (turn: var Turn):
|
||||
turn.preventInertCheck()
|
||||
bootProc(turn, newDataspace(turn))
|
||||
|
||||
proc bootDataspace*(name: string; bootProc: DeprecatedBootProc): Actor {.deprecated.} =
|
||||
bootDataspace(name) do (turn: Turn, ds: Cap):
|
||||
bootDataspace(name) do (turn: var Turn, ds: Cap):
|
||||
bootProc(ds, turn)
|
||||
|
|
|
@ -1,398 +0,0 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[httpcore, options, parseutils, sets, streams, strutils, tables, times, uri],
|
||||
pkg/taps,
|
||||
pkg/preserves,
|
||||
../../syndicate, ../bags, ./timers, ../protocols/http
|
||||
|
||||
const
|
||||
CRLF = "\x0d\x0a"
|
||||
SP = { ' ', '\x09', '\x0b', '\x0c', '\x0d' }
|
||||
SupportedVersion = "HTTP/1.1"
|
||||
IMF = initTimeFormat"ddd, dd MMM yyyy HH:mm:ss"
|
||||
|
||||
when defined(posix):
|
||||
proc echo(args: varargs[string, `$`]) {.used.} =
|
||||
stderr.writeLine(args)
|
||||
|
||||
type
|
||||
Driver = ref object
|
||||
facet: Facet
|
||||
ds, timers: Cap
|
||||
sequenceNumber: BiggestInt
|
||||
Session = ref object
|
||||
facet: Facet
|
||||
driver: Driver
|
||||
conn: Connection
|
||||
exch: Exchange
|
||||
pendingLen: int
|
||||
port: Port
|
||||
Exchange = ref object of Entity
|
||||
cap: Cap
|
||||
ses: Session
|
||||
# TODO: store what we need fom Session locally.
|
||||
req: HttpRequest
|
||||
binding: Option[HttpBinding]
|
||||
stream: StringStream
|
||||
contentType: string
|
||||
contentLen: int
|
||||
mode: HttpResponseKind
|
||||
active: bool
|
||||
|
||||
proc badRequest(conn: Connection; msg: string) =
|
||||
conn.send(SupportedVersion & " " & msg, endOfMessage = true)
|
||||
|
||||
proc extractQuery(s: var string): Table[Symbol, seq[QueryValue]] =
|
||||
let start = succ skipUntil(s, '?')
|
||||
if start < s.len:
|
||||
var query = s[start..s.high]
|
||||
s.setLen(pred start)
|
||||
for key, val in uri.decodeQuery(query):
|
||||
var list = result.getOrDefault(Symbol key)
|
||||
list.add QueryValue(orKind: QueryValueKind.string, string: val)
|
||||
result[Symbol key] = list
|
||||
|
||||
proc parseRequest(conn: Connection; exch: Exchange; text: string): int =
|
||||
## Parse an `HttpRequest` request out of a `text` from a `Connection`.
|
||||
var
|
||||
token: string
|
||||
off: int
|
||||
|
||||
template advanceSp =
|
||||
let n = skipWhile(text, SP, off)
|
||||
if n < 1:
|
||||
badRequest(conn, "400 invalid request")
|
||||
return
|
||||
inc(off, n)
|
||||
|
||||
# method
|
||||
off.inc parseUntil(text, token, SP, off)
|
||||
exch.req.method = token.toLowerAscii.Symbol
|
||||
advanceSp()
|
||||
|
||||
# target
|
||||
if text[off] == '/': inc(off) #TODO: always a leading slash?
|
||||
off.inc parseUntil(text, token, SP, off)
|
||||
advanceSp()
|
||||
|
||||
block:
|
||||
var version: string
|
||||
off.inc parseUntil(text, version, SP, off)
|
||||
advanceSp()
|
||||
if version != SupportedVersion:
|
||||
badRequest(conn, "400 version not supported")
|
||||
return
|
||||
|
||||
exch.req.query = extractQuery(token)
|
||||
|
||||
if token != "":
|
||||
exch.req.path = split(token, '/')
|
||||
for p in exch.req.path.mitems:
|
||||
# normalize the path
|
||||
for i, c in p:
|
||||
if c in {'A'..'Z'}:
|
||||
p[i] = char c.ord + 0x20
|
||||
|
||||
exch.req.host = RequestHost(orKind: RequestHostKind.absent)
|
||||
|
||||
template advanceLine =
|
||||
inc off, skipWhile(text, {'\x0d'}, off)
|
||||
if text.high < off or text[off] != '\x0a':
|
||||
badRequest(conn, "400 invalid request")
|
||||
return
|
||||
inc off, 1
|
||||
|
||||
advanceLine()
|
||||
while off < text.len:
|
||||
off.inc parseUntil(text, token, {'\x0d', '\x0a'}, off)
|
||||
if token == "": break
|
||||
advanceLine()
|
||||
var
|
||||
(key, vals) = httpcore.parseHeader(token)
|
||||
k = key.toLowerAscii
|
||||
v = exch.req.headers.getOrDefault(cast[Symbol](k))
|
||||
for e in vals.mitems:
|
||||
var e = e.move.toLowerAscii
|
||||
case k
|
||||
of "host":
|
||||
exch.req.host = RequestHost(orKind: RequestHostKind.`present`, present: v)
|
||||
of "content-length":
|
||||
discard parseInt(e, exch.contentLen)
|
||||
if exch.contentLen > (1 shl 23):
|
||||
badRequest(conn, "413 Content Too Large")
|
||||
if exch.contentLen > 0:
|
||||
exch.req.body = Value(
|
||||
kind: pkByteString, bytes: newSeqOfCap[byte](exch.contentLen))
|
||||
of "content-type":
|
||||
exch.contentType = e
|
||||
if v == "":
|
||||
v = e.toLowerAscii
|
||||
else:
|
||||
v.add ", "
|
||||
v.add e.toLowerAscii
|
||||
exch.req.headers[cast[Symbol](k)] = v
|
||||
advanceLine()
|
||||
result = off
|
||||
|
||||
proc len(chunk: Chunk): int =
|
||||
case chunk.orKind
|
||||
of ChunkKind.string: chunk.string.len
|
||||
of ChunkKind.bytes: chunk.bytes.len
|
||||
|
||||
proc lenLine(chunk: Chunk): string =
|
||||
result = chunk.len.toHex.strip(true, false, {'0'})
|
||||
result.add CRLF
|
||||
|
||||
proc send[T: byte|char](ses: Session; data: openarray[T]) =
|
||||
ses.conn.send(addr data[0], data.len, endOfMessage = false)
|
||||
|
||||
proc send(ses: Session; chunk: Chunk) =
|
||||
case chunk.orKind
|
||||
of ChunkKind.string:
|
||||
ses.send(chunk.string)
|
||||
of ChunkKind.bytes:
|
||||
ses.send(chunk.bytes)
|
||||
|
||||
func isTrue(v: Value): bool = v.kind == pkBoolean and v.bool
|
||||
|
||||
proc dispatch(exch: Exchange; turn: Turn; res: HttpResponse) =
|
||||
case res.orKind
|
||||
of HttpResponseKind.status:
|
||||
if exch.mode == res.orKind:
|
||||
exch.active = true
|
||||
exch.ses.conn.startBatch()
|
||||
exch.stream.write(
|
||||
SupportedVersion, " ", res.status.code, " ", res.status.message, CRLF &
|
||||
# "connection: close" & CRLF &
|
||||
# RFC9112 says we SHOULD support persistent connections.
|
||||
"date: ", now().format(IMF), CRLF
|
||||
# add Date header automatically - RFC 9110 Section 6.6.1.
|
||||
)
|
||||
exch.mode = HttpResponseKind.header
|
||||
|
||||
of HttpResponseKind.header:
|
||||
if exch.mode == res.orKind:
|
||||
exch.stream.write(res.header.name, ": ", res.header.value, CRLF)
|
||||
|
||||
of HttpResponseKind.chunk:
|
||||
if res.chunk.chunk.len > 0:
|
||||
if exch.mode == HttpResponseKind.header:
|
||||
exch.stream.write("transfer-encoding: chunked" & CRLF & CRLF)
|
||||
exch.ses.send(move exch.stream.data)
|
||||
exch.mode = res.orKind
|
||||
if exch.mode == res.orKind:
|
||||
exch.ses.send(res.chunk.chunk.lenLine)
|
||||
exch.ses.send(res.chunk.chunk)
|
||||
exch.ses.send(CRLF)
|
||||
|
||||
of HttpResponseKind.done:
|
||||
if exch.mode in {HttpResponseKind.header, HttpResponseKind.chunk}:
|
||||
if exch.mode == HttpResponseKind.header:
|
||||
exch.stream.write("content-length: ", $res.done.chunk.len & CRLF & CRLF)
|
||||
exch.ses.send(move exch.stream.data)
|
||||
if res.done.chunk.len > 0:
|
||||
exch.ses.send(res.done.chunk)
|
||||
elif exch.mode == HttpResponseKind.chunk:
|
||||
exch.ses.send(res.done.chunk.lenLine)
|
||||
if res.done.chunk.len > 0:
|
||||
exch.ses.send(res.done.chunk)
|
||||
exch.ses.send(CRLF & "0" & CRLF & CRLF)
|
||||
exch.mode = res.orKind
|
||||
exch.ses.conn.endBatch()
|
||||
if exch.req.headers.getOrDefault(Symbol"connection") == "close":
|
||||
exch.ses.conn.close()
|
||||
stop(turn)
|
||||
# stop the facet scoped to the exchange
|
||||
# so that the response capability is withdrawn
|
||||
|
||||
proc scheduleTimeout(exch: Exchange; turn: Turn) =
|
||||
const timeout = initDuration(seconds = 4)
|
||||
after(turn, exch.ses.driver.timers, timeout) do (turn: Turn):
|
||||
if not exch.active:
|
||||
var res = HttpResponse(orKind: HttpResponseKind.status)
|
||||
res.status.code = 504
|
||||
res.status.message = "Binding timeout"
|
||||
exch.dispatch(turn, res)
|
||||
res = HttpResponse(orKind: HttpResponseKind.done)
|
||||
exch.dispatch(turn, res)
|
||||
# Use a HttpResponse to reuse logic.
|
||||
|
||||
method message(exch: Exchange; turn: Turn; a: AssertionRef) =
|
||||
# Send responses back into a connection.
|
||||
if a.value.isTrue:
|
||||
# Sync message from dataspace.
|
||||
exch.scheduleTimeout(turn)
|
||||
if exch.binding.isSome:
|
||||
# The best binding in the dataspace has been selected.
|
||||
let handler = exch.binding.get.handler.unembed(Cap)
|
||||
if handler.isSome:
|
||||
# Send the handler the exchange capability.
|
||||
if exch.contentType.startsWith "application/json":
|
||||
if exch.req.body.isByteString:
|
||||
var bodyBytes = exch.req.body.bytes.move
|
||||
exch.req.body = cast[string](bodyBytes).parsePreserves
|
||||
discard publish(turn, handler.get, HttpContext(
|
||||
req: exch.req,
|
||||
res: exch.cap.embed,
|
||||
))
|
||||
else:
|
||||
exch.binding.reset()
|
||||
else:
|
||||
var res: HttpResponse
|
||||
if exch.mode != HttpResponseKind.done and res.fromPreserves a.value:
|
||||
exch.dispatch(turn, res)
|
||||
|
||||
func `==`(s: string; rh: RequestHost): bool =
|
||||
rh.orKind == RequestHostKind.present and rh.present == s
|
||||
|
||||
proc match(b: HttpBinding, r: HttpRequest): bool =
|
||||
## Check if `HttpBinding` `b` matches `HttpRequest` `r`.
|
||||
result =
|
||||
(b.host.orKind == HostPatternKind.any or
|
||||
b.host.host == r.host) and
|
||||
(b.port == r.port) and
|
||||
(b.method.orKind == MethodPatternKind.any or
|
||||
b.method.specific == r.method)
|
||||
if result:
|
||||
for i, p in b.path:
|
||||
if i > r.path.high: return false
|
||||
case p.orKind
|
||||
of PathPatternElementKind.wildcard: discard
|
||||
of PathPatternElementKind.label:
|
||||
if p.label != r.path[i]: return false
|
||||
of PathPatternElementKind.rest:
|
||||
return i == b.path.high
|
||||
# return false if "..." isn't the last element
|
||||
|
||||
proc strongerThan(a, b: HttpBinding): bool =
|
||||
## Check if `a` is a stronger `HttpBinding` than `b`.
|
||||
result =
|
||||
(a.host.orKind != b.host.orKind and
|
||||
a.host.orKind == HostPatternKind.host) or
|
||||
(a.method.orKind != b.method.orKind and
|
||||
a.method.orKind == MethodPatternKind.specific)
|
||||
if not result:
|
||||
if a.path.len > b.path.len: return true
|
||||
for i in b.path.low..a.path.high:
|
||||
if a.path[i].orKind != b.path[i].orKind and
|
||||
a.path[i].orKind == PathPatternElementKind.label:
|
||||
return true
|
||||
|
||||
proc service(turn: Turn; exch: Exchange) =
|
||||
## Service an HTTP message exchange.
|
||||
let pat = grab(HttpBinding?:{
|
||||
0: drop(), # match all hosts
|
||||
1: ?exch.req.port,
|
||||
2: drop(), # match all methods
|
||||
3: drop(), # match all paths
|
||||
4: drop(),
|
||||
})
|
||||
onPublish(turn, exch.ses.driver.ds, pat) do (b: HttpBinding):
|
||||
if b.match exch.req:
|
||||
if exch.binding.isNone or b.strongerThan exch.binding.get:
|
||||
exch.binding = some b
|
||||
# found a better binding
|
||||
exch.cap = turn.newCap(exch)
|
||||
sync(turn, exch.ses.driver.ds, exch.cap)
|
||||
# When the sync returns we have seen all the bindings.
|
||||
|
||||
proc exchange(ses: Session) =
|
||||
## Detach the current Exchange from the session
|
||||
## and pass it into Syndicate.
|
||||
ses.pendingLen = 0
|
||||
var exch = move ses.exch
|
||||
exch.ses = ses
|
||||
ses.facet.run do (turn: Turn):
|
||||
inFacet(turn) do (turn: Turn):
|
||||
# start a new facet for this message exchange
|
||||
preventInertCheck(turn)
|
||||
exch.facet = turn.facet
|
||||
exch.stream = newStringStream()
|
||||
exch.mode = HttpResponseKind.status
|
||||
turn.service(exch)
|
||||
|
||||
proc service(ses: Session) =
|
||||
## Service a connection to an HTTP client.
|
||||
const oneMiB = 1 shl 20
|
||||
ses.facet.onStop do (turn: Turn):
|
||||
close ses.conn
|
||||
ses.conn.onClosed do ():
|
||||
stop ses.facet
|
||||
ses.conn.onReceivedPartial do (data: seq[byte]; ctx: MessageContext; eom: bool):
|
||||
if ses.pendingLen == 0:
|
||||
if ses.exch.isNil:
|
||||
new ses.exch
|
||||
let off = parseRequest(ses.conn, ses.exch, cast[string](data))
|
||||
if off > 0:
|
||||
assert not ses.exch.isNil
|
||||
inc(ses.driver.sequenceNumber)
|
||||
ses.exch.req.sequenceNumber = ses.driver.sequenceNumber
|
||||
ses.exch.req.port = BiggestInt ses.port
|
||||
ses.pendingLen = ses.exch.contentLen
|
||||
if off < data.len:
|
||||
let n = min(data.len - off, ses.pendingLen)
|
||||
ses.exch.req.body.bytes.add data[off .. off+n.pred]
|
||||
ses.pendingLen.dec n
|
||||
else:
|
||||
let n = min(data.len, ses.pendingLen)
|
||||
ses.exch.req.body.bytes.add data[0..n.pred]
|
||||
ses.pendingLen.dec n
|
||||
assert ses.pendingLen >= 0, $ses.pendingLen
|
||||
if ses.pendingLen == 0:
|
||||
ses.exchange()
|
||||
ses.conn.receive(maxLength = oneMiB)
|
||||
else:
|
||||
ses.conn.receive(maxLength=ses.pendingLen)
|
||||
ses.conn.receive(maxLength =oneMiB)
|
||||
|
||||
proc newListener(port: Port): Listener =
|
||||
var lp = newLocalEndpoint()
|
||||
lp.with port
|
||||
listen newPreconnection(local=[lp])
|
||||
|
||||
proc httpListen(turn: Turn; driver: Driver; port: Port): Listener =
|
||||
let facet = turn.facet
|
||||
var listener = newListener(port)
|
||||
preventInertCheck(turn)
|
||||
listener.onListenError do (err: ref Exception):
|
||||
terminateFacet(facet, err)
|
||||
facet.onStop do (turn: Turn):
|
||||
stop listener
|
||||
echo "listening for HTTP on port ", port
|
||||
listener.onConnectionReceived do (conn: Connection):
|
||||
driver.facet.run do (turn: Turn):
|
||||
# start a new turn
|
||||
linkActor(turn, "http-conn") do (turn: Turn):
|
||||
preventInertCheck(turn)
|
||||
let facet = turn.facet
|
||||
conn.onConnectionError do (err: ref Exception):
|
||||
terminateFacet(facet, err)
|
||||
# terminate this actor on exception
|
||||
# facet is scoped to the lifetime of the connection
|
||||
service Session(
|
||||
facet: turn.facet,
|
||||
driver: driver,
|
||||
conn: conn,
|
||||
port: port,
|
||||
)
|
||||
listener
|
||||
|
||||
proc httpDriver(turn: Turn; ds: Cap) =
|
||||
let driver = Driver(facet: turn.facet, ds: ds, timers: turn.newDataspace)
|
||||
spawnTimerDriver(turn, driver.timers)
|
||||
|
||||
during(turn, driver.ds, HttpBinding?:{ 1: grab() }) do (port: BiggestInt):
|
||||
publish(turn, ds, HttpListener(port: port))
|
||||
|
||||
# TODO: publish <http-service …>.
|
||||
|
||||
during(turn, driver.ds, ?:HttpListener) do (port: uint16):
|
||||
let l = httpListen(turn, driver, Port port)
|
||||
do:
|
||||
stop(l)
|
||||
|
||||
proc spawnHttpDriver*(turn: Turn; ds: Cap): Actor {.discardable.} =
|
||||
spawnActor(turn, "http-driver") do (turn: Turn):
|
||||
httpDriver(turn, ds)
|
|
@ -1,13 +1,12 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[hashes, tables],
|
||||
pkg/preserves,
|
||||
./actors, ./patterns, ./protocols/dataspace
|
||||
import std/[hashes, tables]
|
||||
import preserves
|
||||
import ./actors, ./patterns, ./protocols/dataspace
|
||||
|
||||
type
|
||||
DuringProc* = proc (turn: Turn; a: Value; h: Handle): TurnAction
|
||||
DuringProc* = proc (turn: var Turn; a: Value; h: Handle): TurnAction
|
||||
DuringActionKind = enum null, dead, act
|
||||
DuringAction = object
|
||||
case kind: DuringActionKind
|
||||
|
@ -18,8 +17,8 @@ type
|
|||
cb: DuringProc
|
||||
assertionMap: Table[Handle, DuringAction]
|
||||
|
||||
method publish(de: DuringEntity; turn: Turn; a: AssertionRef; h: Handle) =
|
||||
discard inFacet(turn) do (turn: Turn):
|
||||
method publish(de: DuringEntity; turn: var Turn; a: AssertionRef; h: Handle) =
|
||||
discard inFacet(turn) do (turn: var Turn):
|
||||
let action = de.cb(turn, a.value, h)
|
||||
# assert(not action.isNil "should have put in a no-op action")
|
||||
let g = de.assertionMap.getOrDefault h
|
||||
|
@ -28,12 +27,11 @@ method publish(de: DuringEntity; turn: Turn; a: AssertionRef; h: Handle) =
|
|||
de.assertionMap[h] = DuringAction(kind: act, action: action)
|
||||
of dead:
|
||||
de.assertionMap.del h
|
||||
if not action.isNil:
|
||||
action(turn)
|
||||
of act:
|
||||
raiseAssert("during: duplicate handle in publish: " & $h)
|
||||
|
||||
method retract(de: DuringEntity; turn: Turn; h: Handle) =
|
||||
method retract(de: DuringEntity; turn: var Turn; h: Handle) =
|
||||
let g = de.assertionMap.getOrDefault h
|
||||
case g.kind
|
||||
of null:
|
||||
|
@ -47,5 +45,5 @@ method retract(de: DuringEntity; turn: Turn; h: Handle) =
|
|||
|
||||
proc during*(cb: DuringProc): DuringEntity = DuringEntity(cb: cb)
|
||||
|
||||
proc observe*(turn: Turn; ds: Cap; pat: Pattern; e: Entity): Handle =
|
||||
proc observe*(turn: var Turn; ds: Cap; pat: Pattern; e: Entity): Handle =
|
||||
publish(turn, ds, Observe(pattern: pat, observer: newCap(turn, e)))
|
||||
|
|
|
@ -1,47 +1,70 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[assertions, options, sequtils, tables, typetraits],
|
||||
pkg/preserves,
|
||||
./protocols/[dataspacePatterns, dataspace]
|
||||
import std/[algorithm, assertions, options, sequtils, tables, typetraits]
|
||||
|
||||
import preserves
|
||||
import ./protocols/dataspacePatterns
|
||||
from ./actors import Cap
|
||||
|
||||
export dataspacePatterns.`$`, AnyAtomKind, GroupTypeKind, PatternKind
|
||||
export dataspacePatterns.`$`, PatternKind, DCompoundKind, AnyAtomKind
|
||||
|
||||
type
|
||||
AnyAtom = dataspacePatterns.AnyAtom
|
||||
DBind = dataspacePatterns.DBind
|
||||
DCompound = dataspacePatterns.DCompound
|
||||
DCompoundArr = dataspacePatterns.DCompoundArr
|
||||
DCompoundDict = dataspacePatterns.DCompoundDict
|
||||
DCompoundRec = dataspacePatterns.DCompoundRec
|
||||
DLit = dataspacePatterns.DLit
|
||||
Pattern* = dataspacePatterns.Pattern
|
||||
|
||||
proc toPattern(b: sink PatternBind): Pattern =
|
||||
Pattern(orKind: PatternKind.`bind`, `bind`: b)
|
||||
iterator orderedEntries*(dict: DCompoundDict): (Value, Pattern) =
|
||||
## Iterate a `DCompoundDict` in Preserves order.
|
||||
## Values captured from a dictionary are represented as an
|
||||
## array of values ordered by their former key, so using an
|
||||
## ordered iterator is sometimes essential.
|
||||
var keys = dict.entries.keys.toSeq
|
||||
sort(keys, preserves.cmp)
|
||||
for k in keys:
|
||||
yield(k, dict.entries.getOrDefault(k))
|
||||
# getOrDefault doesn't raise and we know the keys will match
|
||||
|
||||
proc toPattern(l: sink PatternLit): Pattern =
|
||||
Pattern(orKind: PatternKind.`lit`, lit: l)
|
||||
proc toPattern(d: sink DBind): Pattern =
|
||||
Pattern(orKind: PatternKind.DBind, dbind: d)
|
||||
|
||||
proc toPattern(g: sink PatternGroup): Pattern =
|
||||
Pattern(orKind: PatternKind.`group`, group: g)
|
||||
proc toPattern(d: sink DLit): Pattern =
|
||||
Pattern(orKind: PatternKind.DLit, dlit: d)
|
||||
|
||||
proc toPattern(a: sink AnyAtom): Pattern =
|
||||
PatternLit(value: a).toPattern
|
||||
proc toPattern(aa: sink AnyAtom): Pattern =
|
||||
DLit(value: aa).toPattern
|
||||
|
||||
proc grab*(p: sink Pattern): Pattern =
|
||||
PatternBind(pattern: p).toPattern
|
||||
proc toPattern(d: sink DCompound): Pattern =
|
||||
Pattern(orKind: PatternKind.DCompound, dcompound: d)
|
||||
|
||||
proc drop*(): Pattern = Pattern(orKind: PatternKind.`discard`)
|
||||
proc toPattern(d: sink DCompoundRec): Pattern =
|
||||
DCompound(orKind: DCompoundKind.rec, rec: d).toPattern
|
||||
|
||||
proc toPattern(d: sink DCompoundArr): Pattern =
|
||||
DCompound(orKind: DCompoundKind.arr, arr: d).toPattern
|
||||
|
||||
proc toPattern(d: sink DCompoundDict): Pattern =
|
||||
DCompound(orKind: DCompoundKind.dict, dict: d).toPattern
|
||||
|
||||
proc drop*(): Pattern {.inline.} = Pattern(orKind: PatternKind.DDiscard)
|
||||
## Create a pattern to match any value without capture.
|
||||
|
||||
proc grab*(): Pattern = drop().grab()
|
||||
proc grab*(): Pattern {.inline.} = DBind(pattern: drop()).toPattern
|
||||
## Create a pattern to capture any value.
|
||||
|
||||
proc drop*(pr: Value): Pattern =
|
||||
proc grab*(pr: Value): Pattern =
|
||||
## Convert a `Preserve` value to a `Pattern`.
|
||||
runnableExamples:
|
||||
from std/unittest import check
|
||||
import pkg/preserves
|
||||
import preserves
|
||||
check:
|
||||
$("""<foo "bar" #"00" [0 1 2.0] {maybe: #t} <_>>""".parsePreserves.drop) ==
|
||||
"""<group <rec foo> {0: <lit "bar"> 1: <lit #"00"> 2: <group <arr> {0: <lit 0> 1: <lit 1> 2: <lit 2.0>}> 3: <group <dict> {maybe: <lit #t>}> 4: <_>}>"""
|
||||
$(grab parsePreserves"""<foo "bar" #"00" [0 1 2.0] {maybe: #t} <_>>""") ==
|
||||
"""<rec foo [<lit "bar"> <lit #"00"> <arr [<lit 0> <lit 1> <lit 2.0>]> <dict {maybe: <lit #t>}> <_>]>"""
|
||||
|
||||
case pr.kind
|
||||
of pkBoolean:
|
||||
|
@ -50,110 +73,87 @@ proc drop*(pr: Value): Pattern =
|
|||
AnyAtom(orKind: AnyAtomKind.`double`, double: pr.float).toPattern
|
||||
of pkRegister:
|
||||
AnyAtom(orKind: AnyAtomKind.`int`, int: pr.register).toPattern
|
||||
of pkBigInt:
|
||||
raiseAssert "cannot make a pattern over a big integer"
|
||||
of pkString:
|
||||
AnyAtom(orKind: AnyAtomKind.`string`, string: pr.string).toPattern
|
||||
of pkByteString:
|
||||
AnyAtom(orKind: AnyAtomKind.`bytes`, bytes: pr.bytes).toPattern
|
||||
of pkSymbol:
|
||||
AnyAtom(orKind: AnyAtomKind.`symbol`, symbol: pr.symbol).toPattern
|
||||
|
||||
of pkRecord:
|
||||
if pr.isRecord("_", 0):
|
||||
if (pr.isRecord("_") and pr.arity == 0) or (pr.isRecord("bind") and pr.arity == 1):
|
||||
drop()
|
||||
elif pr.isRecord("bind", 1):
|
||||
pr.fields[0].drop
|
||||
else:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.rec))
|
||||
group.`type`.rec.label = pr.label
|
||||
var i: int
|
||||
for v in pr.fields:
|
||||
group.entries[toPreserves i] = drop v
|
||||
inc i
|
||||
group.toPattern
|
||||
|
||||
DCompoundRec(
|
||||
label: pr.label,
|
||||
fields: map[Value, Pattern](pr.fields, grab)).toPattern
|
||||
of pkSequence:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.arr))
|
||||
for i, v in pr.sequence:
|
||||
group.entries[toPreserves i] = drop v
|
||||
group.toPattern
|
||||
|
||||
DCompoundArr(items: map(pr.sequence, grab)).toPattern
|
||||
of pkSet:
|
||||
raiseAssert "cannot construct a pattern over a set literal"
|
||||
|
||||
of pkDictionary:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.dict))
|
||||
for key, val in pr.pairs:
|
||||
group.entries[key] = drop val
|
||||
group.toPattern
|
||||
|
||||
var dict = DCompoundDict()
|
||||
for key, val in pr.pairs: dict.entries[key] = grab val
|
||||
dict.toPattern
|
||||
of pkEmbedded:
|
||||
if pr.embeddedRef.isNil: drop()
|
||||
else:
|
||||
AnyAtom(orKind: AnyAtomKind.`embedded`, embedded: pr.embeddedRef).toPattern
|
||||
#else:
|
||||
# raise newException(ValueError, "cannot generate a pattern for unhandled Value type")
|
||||
else:
|
||||
raise newException(ValueError, "cannot generate a pattern for unhandled Value type")
|
||||
|
||||
proc drop*[T](x: T): Pattern =
|
||||
proc grab*[T](x: T): Pattern =
|
||||
## Construct a `Pattern` from value of type `T`.
|
||||
## This proc is called `drop` because the value `x` is matched but discarded.
|
||||
runnableExamples:
|
||||
from std/unittest import check
|
||||
check:
|
||||
$drop(true) == "<lit #t>"
|
||||
$drop(3.14) == "<lit 3.14>"
|
||||
$drop([0, 1, 2, 3]) == "<group <arr> {0: <lit 0> 1: <lit 1> 2: <lit 2> 3: <lit 3>}>"
|
||||
drop(x.toPreserves)
|
||||
$grab(true) == "<lit #t>"
|
||||
$grab(3.14) == "<lit 3.14>"
|
||||
$grab([0, 1, 2, 3]) == "<arr [<lit 0> <lit 1> <lit 2> <lit 3>]>"
|
||||
grab(x.toPreserves)
|
||||
|
||||
proc grab*[T](x: T): Pattern {.
|
||||
deprecated: "use drop unless you wish to capture the provided value".} =
|
||||
PatternBind(pattern: drop x).toPattern
|
||||
|
||||
proc grabTypeFlat*(typ: static typedesc): Pattern =
|
||||
proc grabType*(typ: static typedesc): Pattern =
|
||||
## Derive a `Pattern` from type `typ`.
|
||||
## This works for `tuple` and `object` types but in the
|
||||
## general case will return a wildcard binding.
|
||||
runnableExamples:
|
||||
import pkg/preserves
|
||||
import preserves
|
||||
from std/unittest import check
|
||||
check:
|
||||
$grabTypeFlat(array[3, int]) ==
|
||||
"""<group <arr> {0: <bind <_>> 1: <bind <_>> 2: <bind <_>> 3: <bind <_>>}>"""
|
||||
$grabType(array[3, int]) ==
|
||||
"""<arr [<bind <_>> <bind <_>> <bind <_>>]>"""
|
||||
type
|
||||
Point = tuple[x: int; y: int]
|
||||
Rect {.preservesRecord: "rect".} = tuple[a: Point; B: Point]
|
||||
ColoredRect {.preservesDictionary.} = tuple[color: string; rect: Rect]
|
||||
check:
|
||||
$(grabTypeFlat Point) ==
|
||||
"<group <arr> {0: <bind <_>> 1: <bind <_>>}>"
|
||||
$(grabTypeFlat Rect) ==
|
||||
"<group <rec rect> {0: <group <arr> {0: <bind <_>> 1: <bind <_>>}> 1: <group <arr> {0: <bind <_>> 1: <bind <_>>}>}>"
|
||||
$(grabTypeFlat ColoredRect) ==
|
||||
"<group <dict> {color: <bind <_>> rect: <group <rec rect> {0: <group <arr> {0: <bind <_>> 1: <bind <_>>}> 1: <group <arr> {0: <bind <_>> 1: <bind <_>>}>}>}>"
|
||||
$(grabType Point) ==
|
||||
"<arr [<bind <_>> <bind <_>>]>"
|
||||
$(grabType Rect) ==
|
||||
"<rec rect [<arr [<bind <_>> <bind <_>>]> <arr [<bind <_>> <bind <_>>]>]>"
|
||||
$(grabType ColoredRect) ==
|
||||
"<dict {color: <bind <_>> rect: <rec rect [<arr [<bind <_>> <bind <_>>]> <arr [<bind <_>> <bind <_>>]>]>}>"
|
||||
when typ is ref:
|
||||
grabTypeFlat(pointerBase(typ))
|
||||
grabType(pointerBase(typ))
|
||||
elif typ.hasPreservesRecordPragma:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`rec`))
|
||||
group.`type`.rec.label = typ.recordLabel.toSymbol
|
||||
var rec = DCompoundRec(label: typ.recordLabel.toSymbol)
|
||||
for _, f in fieldPairs(default typ):
|
||||
group.entries[group.entries.len.toPreserves] = grabTypeFlat(typeof f)
|
||||
group.toPattern
|
||||
add(rec.fields, grabType(typeof f))
|
||||
result = rec.toPattern
|
||||
elif typ.hasPreservesDictionaryPragma:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`dict`))
|
||||
var dict = DCompoundDict()
|
||||
for key, val in fieldPairs(default typ):
|
||||
group.entries[key.toSymbol] = grabTypeFlat(typeof val)
|
||||
group.toPattern
|
||||
dict.entries[key.toSymbol] = grabType(typeof val)
|
||||
dict.toPattern
|
||||
elif typ is tuple:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`arr`))
|
||||
var arr = DCompoundArr()
|
||||
for _, f in fieldPairs(default typ):
|
||||
group.entries[group.entries.len.toPreserves] = grabTypeFlat(typeof f)
|
||||
group.toPattern
|
||||
add(arr.items, grabType(typeof f))
|
||||
arr.toPattern
|
||||
elif typ is array:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`arr`))
|
||||
for i in 0..len(typ):
|
||||
group.entries[toPreserves i] = grab()
|
||||
group.toPattern
|
||||
var arr = DCompoundArr()
|
||||
arr.items.setLen(len(typ))
|
||||
for e in arr.items.mitems: e = grab()
|
||||
arr.toPattern
|
||||
else:
|
||||
grab()
|
||||
|
||||
|
@ -161,76 +161,64 @@ proc fieldCount(T: typedesc): int =
|
|||
for _, _ in fieldPairs(default T):
|
||||
inc result
|
||||
|
||||
proc matchType*(typ: static typedesc): Pattern =
|
||||
proc dropType*(typ: static typedesc): Pattern =
|
||||
## Derive a `Pattern` from type `typ` without any bindings.
|
||||
when typ is ref:
|
||||
matchType(pointerBase(typ))
|
||||
dropType(pointerBase(typ))
|
||||
elif typ.hasPreservesRecordPragma:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`rec`))
|
||||
group.`type`.rec.label = typ.recordLabel.toSymbol
|
||||
for _, f in fieldPairs(default typ):
|
||||
group.entries[group.entries.len.toPreserves] = matchType(typeof f)
|
||||
group.toPattern
|
||||
var rec = DCompoundRec(label: typ.recordLabel.toSymbol)
|
||||
rec.fields.setLen(fieldCount typ)
|
||||
for i, _ in rec.fields:
|
||||
rec.fields[i] = drop()
|
||||
result = rec.toPattern
|
||||
elif typ.hasPreservesDictionaryPragma:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`dict`))
|
||||
for key, val in fieldPairs(default typ):
|
||||
group.entries[key.toSymbol] = matchType(typeof val)
|
||||
group.toPattern
|
||||
DCompoundDict().toPattern
|
||||
elif typ is tuple:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`arr`))
|
||||
for _, f in fieldPairs(default typ):
|
||||
group.entries[group.entries.len.toPreserves] = matchType(typeof f)
|
||||
group.toPattern
|
||||
var arr = DCompoundArr()
|
||||
arr.items.setLen(len typ)
|
||||
for i, _ in arr.items:
|
||||
arr.items[i] = drop()
|
||||
arr.toPattern
|
||||
elif typ is array:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`arr`))
|
||||
let elemPat = typ.default.elementType
|
||||
for i in 0..typ.high:
|
||||
group.entries[i.toPreserves] = elemPat
|
||||
group.toPattern
|
||||
var arr = DCompoundArr()
|
||||
arr.items.setLen(len(typ))
|
||||
for e in arr.items.mitems: e = drop()
|
||||
arr.toPattern
|
||||
else:
|
||||
drop()
|
||||
|
||||
proc grabType*(typ: static typedesc): Pattern =
|
||||
PatternBind(pattern: typ.matchType).toPattern
|
||||
|
||||
proc grabWithin*(T: static typedesc): Pattern =
|
||||
## Construct a `Pattern` that binds the fields within type `T`.
|
||||
result = matchType(T)
|
||||
for entry in result.group.entries.mvalues:
|
||||
case entry.orKind
|
||||
of `discard`: entry = grab()
|
||||
of `bind`, `lit`: discard
|
||||
of `group`: entry = grab(entry)
|
||||
|
||||
proc grabWithinType*(T: static typedesc): Pattern {.
|
||||
deprecated: "use grabWithin".} = grabWithin(T)
|
||||
|
||||
proc bindEntries(group: var PatternGroup; bindings: openArray[(int, Pattern)]) =
|
||||
## Set `bindings` for a `group`.
|
||||
for (i, pat) in bindings: group.entries[toPreserves i] = pat
|
||||
proc lookup(bindings: openArray[(int, Pattern)]; i: int): Pattern =
|
||||
for (j, b) in bindings:
|
||||
if i == j: return b
|
||||
return drop()
|
||||
|
||||
proc grab*(typ: static typedesc; bindings: sink openArray[(int, Pattern)]): Pattern =
|
||||
## Construct a `Pattern` from type `typ` with pattern `bindings` by integer offset.
|
||||
when typ is ptr | ref:
|
||||
grab(pointerBase(typ), bindings)
|
||||
elif typ.hasPreservesRecordPragma:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`rec`))
|
||||
group.`type`.rec.label = typ.recordLabel.toSymbol
|
||||
bindEntries(group, bindings)
|
||||
group.toPattern
|
||||
var rec = DCompoundRec(label: typ.recordLabel.toSymbol)
|
||||
rec.fields.setLen(fieldCount typ)
|
||||
var i: int
|
||||
for _, f in fieldPairs(default typ):
|
||||
rec.fields[i] = lookup(bindings, i)
|
||||
inc i
|
||||
result = rec.toPattern
|
||||
elif typ is tuple:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`arr`))
|
||||
bindEntries(group, bindings)
|
||||
group.toPattern
|
||||
var arr = DCompoundArr()
|
||||
arr.items.setLen(fieldCount typ)
|
||||
var i: int
|
||||
for _, f in fieldPairs(default typ):
|
||||
arr.items[i] = lookup(bindings, i)
|
||||
inc i
|
||||
result = arr.toPattern
|
||||
else:
|
||||
{.error: "grab with indexed bindings not implemented for " & $typ.}
|
||||
|
||||
proc grab*(typ: static typedesc; bindings: sink openArray[(Value, Pattern)]): Pattern =
|
||||
## Construct a `Pattern` from type `typ` with dictionary field `bindings`.
|
||||
when typ.hasPreservesDictionaryPragma:
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`dict`))
|
||||
for key, val in bindinds: group.entries[key] = val
|
||||
group.toPattern
|
||||
DCompoundDict(entries: bindings.toTable).toPattern
|
||||
else:
|
||||
{.error: "grab with dictionary bindings not implemented for " & $typ.}
|
||||
|
||||
|
@ -238,11 +226,11 @@ proc grabLit*(): Pattern =
|
|||
runnableExamples:
|
||||
from std/unittest import check
|
||||
check:
|
||||
$grabLit() == """<group <rec lit> {0: <bind <_>>}>"""
|
||||
grabTypeFlat(dataspacePatterns.PatternLit)
|
||||
$grabLit() == """<rec lit [<bind <_>>]>"""
|
||||
grabType(dataspacePatterns.DLit)
|
||||
|
||||
proc grabDict*(): Pattern =
|
||||
grabTypeFlat(dataspacePatterns.GroupTypeDict)
|
||||
grabType(dataspacePatterns.DCompoundDict)
|
||||
|
||||
proc unpackLiterals*(pr: Value): Value =
|
||||
result = pr
|
||||
|
@ -250,117 +238,113 @@ proc unpackLiterals*(pr: Value): Value =
|
|||
if pr.isRecord("lit", 1) or pr.isRecord("dict", 1) or pr.isRecord("arr", 1) or pr.isRecord("set", 1):
|
||||
pr = pr.record[0]
|
||||
|
||||
proc inject*(pattern: sink Pattern; p: Pattern; path: varargs[Value, toPreserves]): Pattern =
|
||||
## Inject `p` inside `pattern` at `path`.
|
||||
proc inject*(pat: Pattern; bindings: openArray[(int, Pattern)]): Pattern =
|
||||
## Construct a `Pattern` from `pat` with injected overrides from `bindings`.
|
||||
## Injects are made at offsets indexed by the discard (`<_>`) patterns in `pat`.
|
||||
proc inject(pat: var Pattern; path: openarray[Value]) =
|
||||
if len(path) == 0:
|
||||
pat = p
|
||||
elif pat.orKind != PatternKind.`group`:
|
||||
raise newException(ValueError, "cannot inject along specified path")
|
||||
else:
|
||||
inject(pat.group.entries[path[0]], path[1..path.high])
|
||||
result = pattern
|
||||
inject(result, path)
|
||||
proc inject(pat: Pattern; bindings: openArray[(int, Pattern)]; offset: var int): Pattern =
|
||||
case pat.orKind
|
||||
of PatternKind.DDiscard:
|
||||
result = pat
|
||||
for (off, injection) in bindings:
|
||||
if off == offset:
|
||||
result = injection
|
||||
break
|
||||
inc offset
|
||||
of PatternKind.DBind:
|
||||
let bindOff = offset
|
||||
result = pat
|
||||
result.dbind.pattern = inject(pat.dbind.pattern, bindings, offset)
|
||||
if result.orKind == PatternKind.DBind:
|
||||
for (off, injection) in bindings:
|
||||
if (off == bindOff) and (result.dbind.pattern == injection):
|
||||
result = result.dbind.pattern
|
||||
break # promote the injected pattern over the bind
|
||||
of PatternKind.DLit:
|
||||
result = pat
|
||||
of PatternKind.DCompound:
|
||||
result = pat
|
||||
case pat.dcompound.orKind
|
||||
of DCompoundKind.rec:
|
||||
var fields = mapIt(pat.dcompound.rec.fields):
|
||||
inject(it, bindings, offset)
|
||||
result = DCompoundRec(label: result.dcompound.rec.label, fields: fields).toPattern
|
||||
of DCompoundKind.arr:
|
||||
var items = mapIt(pat.dcompound.arr.items):
|
||||
inject(it, bindings, offset)
|
||||
result = DCompoundArr(items: items).toPattern
|
||||
of DCompoundKind.dict:
|
||||
var dict = DCompoundDict()
|
||||
for key, val in pat.dcompound.dict.entries:
|
||||
dict.entries[key] = inject(val, bindings, offset)
|
||||
result = toPattern(dict)
|
||||
var offset = 0
|
||||
inject(pat, bindings, offset)
|
||||
|
||||
proc matchRecord*(label: Value, fields: varargs[Pattern]): Pattern =
|
||||
runnableExamples:
|
||||
from std/unittest import check
|
||||
import pkg/preserves
|
||||
check:
|
||||
$matchRecord("Says".toSymbol, grab(), grab()) ==
|
||||
"""<group <rec Says> {0: <bind <_>> 1: <bind <_>>}>"""
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`rec`))
|
||||
group.`type`.rec.label = label
|
||||
for i, f in fields: group.entries[toPreserves i] = f
|
||||
group.toPattern
|
||||
|
||||
proc matchRecord*(label: string; fields: varargs[Pattern]): Pattern =
|
||||
matchRecord(label.toSymbol, fields)
|
||||
proc inject*(pat: Pattern; bindings: openArray[(Value, Pattern)]): Pattern =
|
||||
## Inject `bindings` into a dictionary pattern.
|
||||
assert pat.orKind == PatternKind.DCompound
|
||||
assert pat.dcompound.orKind == DCompoundKind.dict
|
||||
result = pat
|
||||
for (key, val) in bindings:
|
||||
result.dcompound.dict.entries[key] = val
|
||||
|
||||
proc grabRecord*(label: Value, fields: varargs[Pattern]): Pattern =
|
||||
runnableExamples:
|
||||
from std/unittest import check
|
||||
import pkg/preserves
|
||||
import syndicate/actors, preserves
|
||||
check:
|
||||
$grabRecord("Says".toSymbol, grab(), grab()) ==
|
||||
"""<bind <group <rec Says> {0: <bind <_>> 1: <bind <_>>}>>"""
|
||||
grab(matchRecord(label, fields))
|
||||
|
||||
proc grabRecord*(label: Value, fields: sink openArray[(int, Pattern)]): Pattern =
|
||||
runnableExamples:
|
||||
from std/unittest import check
|
||||
import pkg/preserves
|
||||
check:
|
||||
$grabRecord("Says".toSymbol, {3: grab(), 4: grab()}) ==
|
||||
"""<group <rec Says> {3: <bind <_>> 4: <bind <_>>}>"""
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`rec`))
|
||||
group.`type`.rec.label = label
|
||||
for (i, p) in fields: group.entries[toPreserves i] = p
|
||||
group.toPattern
|
||||
"""<rec Says [<bind <_>> <bind <_>>]>"""
|
||||
DCompoundRec(label: label, fields: fields.toSeq).toPattern
|
||||
|
||||
proc grabRecord*(label: string, fields: varargs[Pattern]): Pattern =
|
||||
## Sugar for creating record patterns.
|
||||
## `label` is converted to a symbol value.
|
||||
grabRecord(label.toSymbol, fields)
|
||||
|
||||
proc matchDictionary*(bindings: sink openArray[(Value, Pattern)]): Pattern =
|
||||
proc grabDictionary*(bindings: sink openArray[(Value, Pattern)]): Pattern =
|
||||
## Construct a pattern that grabs some dictionary pairs.
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`dict`))
|
||||
for (key, val) in bindings: group.entries[key] = val
|
||||
group.toPattern
|
||||
DCompoundDict(entries: bindings.toTable).toPattern
|
||||
|
||||
proc matchDictionary*(bindings: sink openArray[(string, Pattern)]): Pattern =
|
||||
proc grabDictionary*(bindings: sink openArray[(string, Pattern)]): Pattern =
|
||||
## Construct a pattern that grabs some dictionary pairs.
|
||||
## Keys are converted from strings to symbols.
|
||||
var group = PatternGroup(`type`: GroupType(orKind: GroupTypeKind.`dict`))
|
||||
for (key, val) in bindings: group.entries[toSymbol key] = val
|
||||
group.toPattern
|
||||
result = DCompoundDict().toPattern
|
||||
for (key, val) in bindings.items:
|
||||
result.dcompound.dict.entries[key.toSymbol] = val
|
||||
|
||||
proc depattern(group: PatternGroup; values: var seq[Value]; index: var int): Value
|
||||
proc depattern(comp: DCompound; values: var seq[Value]; index: var int): Value
|
||||
|
||||
proc depattern(pat: Pattern; values: var seq[Value]; index: var int): Value =
|
||||
case pat.orKind
|
||||
of PatternKind.`discard`:
|
||||
of PatternKind.DDiscard:
|
||||
discard
|
||||
of PatternKind.`bind`:
|
||||
of PatternKind.DBind:
|
||||
if index < values.len:
|
||||
result = move values[index]
|
||||
inc index
|
||||
of PatternKind.`lit`:
|
||||
result = pat.`lit`.value.toPreserves
|
||||
of PatternKind.`group`:
|
||||
result = depattern(pat.group, values, index)
|
||||
of PatternKind.DLit:
|
||||
result = pat.dlit.value.toPreserves
|
||||
of PatternKind.DCompound:
|
||||
result = depattern(pat.dcompound, values, index)
|
||||
|
||||
proc depattern(group: PatternGroup; values: var seq[Value]; index: var int): Value =
|
||||
case group.`type`.orKind
|
||||
of GroupTypeKind.rec:
|
||||
result = initRecord(group.`type`.rec.label, group.entries.len)
|
||||
var i: int
|
||||
for key, val in group.entries:
|
||||
if i.fromPreserves key:
|
||||
result[i] = depattern(val, values, index)
|
||||
of GroupTypeKind.arr:
|
||||
result = initSequence(group.entries.len)
|
||||
var i: int
|
||||
for key, val in group.entries:
|
||||
if i.fromPreserves key:
|
||||
result[i] = depattern(val, values, index)
|
||||
of GroupTypeKind.dict:
|
||||
result = initDictionary(group.entries.len)
|
||||
for key, val in group.entries:
|
||||
proc depattern(comp: DCompound; values: var seq[Value]; index: var int): Value =
|
||||
case comp.orKind
|
||||
of DCompoundKind.rec:
|
||||
result = initRecord(comp.rec.label, comp.rec.fields.len)
|
||||
for i, f in comp.rec.fields:
|
||||
result[i] = depattern(f, values, index)
|
||||
of DCompoundKind.arr:
|
||||
result = initSequence(comp.arr.items.len)
|
||||
for i, e in comp.arr.items:
|
||||
result[i] = depattern(e, values, index)
|
||||
of DCompoundKind.dict:
|
||||
result = initDictionary(Cap)
|
||||
for key, val in comp.dict.entries:
|
||||
result[key] = depattern(val, values, index)
|
||||
|
||||
proc depattern*(pat: Pattern; values: sink seq[Value]): Value =
|
||||
## Convert a `Pattern` to a `Value` while replacing binds with `values`.
|
||||
runnableExamples:
|
||||
from std/unittest import check
|
||||
import pkg/preserves
|
||||
type Foo {.preservesRecord: "foo".} = object
|
||||
a, b: int
|
||||
let pat = grabTypeFlat Foo
|
||||
let val = depattern(pat, @[1.toPreserves, 5.toPreserves])
|
||||
check $val == "<foo 1 5>"
|
||||
var index: int
|
||||
depattern(pat, values, index)
|
||||
|
||||
|
@ -375,99 +359,44 @@ proc fromPreservesHook*[T](lit: var Literal[T]; pr: Value): bool =
|
|||
proc toPreservesHook*[T](lit: Literal[T]): Value =
|
||||
lit.value.grab.toPreserves
|
||||
|
||||
func isGroup(pat: Pattern): bool =
|
||||
pat.orKind == PatternKind.`group`
|
||||
|
||||
func isMetaDict(pat: Pattern): bool =
|
||||
pat.orKind == PatternKind.`group` and
|
||||
pat.group.type.orKind == GroupTypeKind.dict
|
||||
|
||||
proc metaApply(result: var Pattern; pat: Pattern; path: openarray[Value], offset: int) =
|
||||
if offset == path.len:
|
||||
result = pat
|
||||
elif result.isGroup and result.group.entries[1.toPreserves].isMetaDict:
|
||||
if offset == path.high:
|
||||
result.group.entries[1.toPreserves].group.entries[path[offset]] = pat
|
||||
else:
|
||||
metaApply(result.group.entries[1.toPreserves].group.entries[path[offset]], pat, path, succ offset)
|
||||
else:
|
||||
assert result.isGroup, "non-group: " & $result
|
||||
assert result.group.entries[1.toPreserves].isMetaDict, "non-meta-dict: " & $result.group.entries[1.toPreserves]
|
||||
raise newException(ValueError, "cannot inject into non-group pattern " & $result)
|
||||
|
||||
proc observePattern*(pat: Pattern): Pattern =
|
||||
## Construct a pattern that matches an `Observe` assertion for `pat`.
|
||||
runnableExamples:
|
||||
import pkg/preserves
|
||||
let
|
||||
sample = parsePreserves"<sample>"
|
||||
observation = sample.drop.observePattern
|
||||
assert $observation ==
|
||||
"<group <rec Observe> {0: <group <rec group> {0: <group <rec rec> {0: <lit sample>}> 1: <group <dict> {}>}> 1: <_>}>"
|
||||
result = matchType Observe
|
||||
result.group.entries[0.toPreserves] = pat.toPreserves.drop
|
||||
|
||||
proc observePattern*(pat: Pattern; injects: openarray[(seq[Value], Pattern)]): Pattern =
|
||||
## Construct a pattern that matches an `Observe` assertion for `pat`
|
||||
## and inject patterns along paths corresponding to the source pattern `pat`.
|
||||
runnableExamples:
|
||||
import pkg/preserves
|
||||
let
|
||||
v = parsePreserves"[ {} {a: #f b: #t } ]"
|
||||
observation = v.drop.observePattern { @[1.toPreserves, "b".toSymbol]: grab() }
|
||||
assert $observation ==
|
||||
"<group <rec Observe> {0: <group <rec group> {0: <group <rec arr> {}> 1: <group <dict> {0: <group <rec group> {0: <group <rec dict> {}> 1: <group <dict> {}>}> 1: <group <rec group> {0: <group <rec dict> {}> 1: <group <dict> {a: <group <rec lit> {0: <lit #f>}> b: <bind <_>>}>}>}>}> 1: <_>}>"
|
||||
result = matchType Observe
|
||||
var meta = pat.toPreserves.drop
|
||||
for (path, pat) in injects:
|
||||
metaApply(meta, pat, path, 0)
|
||||
result.group.entries[0.toPreserves] = meta
|
||||
|
||||
proc observePattern*(pat: Pattern; injects: openarray[(int, Pattern)]): Pattern =
|
||||
## Sugar for observing patterns using record field offsets.
|
||||
pat.observePattern injects.map do (pair: (int, Pattern)) -> (seq[Value], Pattern):
|
||||
(@[pair[0].toPreserves], pair[1])
|
||||
|
||||
type
|
||||
Path* = seq[Value]
|
||||
Paths* = seq[Path]
|
||||
Captures* = seq[Value]
|
||||
Analysis* = tuple
|
||||
presentPaths: Paths
|
||||
constPaths: Paths
|
||||
constValues: seq[Value]
|
||||
capturePaths: Paths
|
||||
|
||||
func walk(result: var Analysis; path: var Path; p: Pattern)
|
||||
|
||||
func walk(result: var Analysis; path: var Path; key: Value; pat: Pattern) =
|
||||
path.add(key)
|
||||
func walk(result: var Analysis; path: var Path; key: int|Value; pat: Pattern) =
|
||||
path.add(key.toPreserves)
|
||||
walk(result, path, pat)
|
||||
discard path.pop
|
||||
|
||||
func walk(result: var Analysis; path: var Path; p: Pattern) =
|
||||
case p.orKind
|
||||
of PatternKind.group:
|
||||
for k, v in p.group.entries: walk(result, path, k, v)
|
||||
of PatternKind.`bind`:
|
||||
of PatternKind.DCompound:
|
||||
case p.dcompound.orKind
|
||||
of DCompoundKind.rec:
|
||||
for k, e in p.dcompound.rec.fields: walk(result, path, k, e)
|
||||
of DCompoundKind.arr:
|
||||
for k, e in p.dcompound.arr.items: walk(result, path, k, e)
|
||||
of DCompoundKind.dict:
|
||||
for k, e in p.dcompound.dict.orderedEntries: walk(result, path, k, e)
|
||||
of PatternKind.DBind:
|
||||
result.capturePaths.add(path)
|
||||
walk(result, path, p.`bind`.pattern)
|
||||
of PatternKind.`discard`:
|
||||
result.presentPaths.add(path)
|
||||
of PatternKind.`lit`:
|
||||
walk(result, path, p.dbind.pattern)
|
||||
of PatternKind.DDiscard: discard
|
||||
of PatternKind.DLit:
|
||||
result.constPaths.add(path)
|
||||
result.constValues.add(p.`lit`.value.toPreserves)
|
||||
result.constValues.add(p.dlit.value.toPreserves)
|
||||
|
||||
func analyse*(p: Pattern): Analysis =
|
||||
var path: Path
|
||||
walk(result, path, p)
|
||||
|
||||
func checkPresence*(v: Value; present: Paths): bool =
|
||||
result = true
|
||||
for path in present:
|
||||
if not result: break
|
||||
result = step(v, path).isSome
|
||||
|
||||
func projectPaths*(v: Value; paths: Paths): Option[Captures] =
|
||||
var res = newSeq[Value](paths.len)
|
||||
for i, path in paths:
|
||||
|
@ -479,19 +408,17 @@ func projectPaths*(v: Value; paths: Paths): Option[Captures] =
|
|||
proc matches*(pat: Pattern; pr: Value): bool =
|
||||
let analysis = analyse(pat)
|
||||
assert analysis.constPaths.len == analysis.constValues.len
|
||||
result = checkPresence(pr, analysis.presentPaths)
|
||||
if result:
|
||||
for i, path in analysis.constPaths:
|
||||
let v = step(pr, path)
|
||||
if v.isNone: return false
|
||||
if analysis.constValues[i] != v.get: return false
|
||||
for path in analysis.capturePaths:
|
||||
if step(pr, path).isNone: return false
|
||||
if isNone step(pr, path): return false
|
||||
true
|
||||
|
||||
proc capture*(pat: Pattern; pr: Value): seq[Value] =
|
||||
func capture*(pat: Pattern; pr: Value): seq[Value] =
|
||||
let analysis = analyse(pat)
|
||||
assert analysis.constPaths.len == analysis.constValues.len
|
||||
if checkPresence(pr, analysis.presentPaths):
|
||||
for i, path in analysis.constPaths:
|
||||
let v = step(pr, path)
|
||||
if v.isNone : return @[]
|
||||
|
@ -502,4 +429,9 @@ proc capture*(pat: Pattern; pr: Value): seq[Value] =
|
|||
result.add(get v)
|
||||
|
||||
when isMainModule:
|
||||
stdout.writeLine stdin.readAll.parsePreserves.grab
|
||||
let txt = readAll stdin
|
||||
if txt != "":
|
||||
let
|
||||
v = parsePreserves(txt)
|
||||
pat = grab v
|
||||
stdout.writeLine(pat)
|
||||
|
|
|
@ -5,7 +5,6 @@ modules += gatekeeper.nim
|
|||
modules += http.nim
|
||||
modules += noise.nim
|
||||
modules += protocol.nim
|
||||
modules += rpc.nim
|
||||
modules += service.nim
|
||||
modules += stdenv.nim
|
||||
modules += stream.nim
|
||||
|
@ -17,7 +16,7 @@ modules += transportAddress.nim
|
|||
modules += worker.nim
|
||||
|
||||
: ../../../../syndicate-protocols/schema-bundle.bin \
|
||||
|> !preserves-schema-nim \
|
||||
|> !preserves_schema_nim \
|
||||
|> $(modules) | $(SYNDICATE_PROTOCOL)
|
||||
|
||||
: foreach $(modules) | $(modules) |> !nim_check |>
|
||||
|
|
|
@ -29,58 +29,58 @@ type
|
|||
`embedded`* {.preservesEmbedded.}: EmbeddedRef
|
||||
|
||||
|
||||
GroupTypeKind* {.pure.} = enum
|
||||
DLit* {.preservesRecord: "lit".} = object
|
||||
`value`*: AnyAtom
|
||||
|
||||
DBind* {.preservesRecord: "bind".} = object
|
||||
`pattern`*: Pattern
|
||||
|
||||
DDiscard* {.preservesRecord: "_".} = object
|
||||
|
||||
DCompoundKind* {.pure.} = enum
|
||||
`rec`, `arr`, `dict`
|
||||
GroupTypeRec* {.preservesRecord: "rec".} = object
|
||||
DCompoundRec* {.preservesRecord: "rec".} = object
|
||||
`label`*: Value
|
||||
`fields`*: seq[Pattern]
|
||||
|
||||
GroupTypeArr* {.preservesRecord: "arr".} = object
|
||||
DCompoundArr* {.preservesRecord: "arr".} = object
|
||||
`items`*: seq[Pattern]
|
||||
|
||||
GroupTypeDict* {.preservesRecord: "dict".} = object
|
||||
DCompoundDict* {.preservesRecord: "dict".} = object
|
||||
`entries`*: Table[Value, Pattern]
|
||||
|
||||
`GroupType`* {.preservesOr.} = object
|
||||
case orKind*: GroupTypeKind
|
||||
of GroupTypeKind.`rec`:
|
||||
`rec`*: GroupTypeRec
|
||||
`DCompound`* {.preservesOr.} = object
|
||||
case orKind*: DCompoundKind
|
||||
of DCompoundKind.`rec`:
|
||||
`rec`* {.preservesEmbedded.}: DCompoundRec
|
||||
|
||||
of GroupTypeKind.`arr`:
|
||||
`arr`*: GroupTypeArr
|
||||
of DCompoundKind.`arr`:
|
||||
`arr`* {.preservesEmbedded.}: DCompoundArr
|
||||
|
||||
of GroupTypeKind.`dict`:
|
||||
`dict`*: GroupTypeDict
|
||||
of DCompoundKind.`dict`:
|
||||
`dict`* {.preservesEmbedded.}: DCompoundDict
|
||||
|
||||
|
||||
PatternKind* {.pure.} = enum
|
||||
`discard`, `bind`, `lit`, `group`
|
||||
PatternDiscard* {.preservesRecord: "_".} = object
|
||||
|
||||
PatternBind* {.preservesRecord: "bind".} = object
|
||||
`pattern`*: Pattern
|
||||
|
||||
PatternLit* {.preservesRecord: "lit".} = object
|
||||
`value`*: AnyAtom
|
||||
|
||||
PatternGroup* {.preservesRecord: "group".} = object
|
||||
`type`*: GroupType
|
||||
`entries`*: Table[Value, Pattern]
|
||||
|
||||
`DDiscard`, `DBind`, `DLit`, `DCompound`
|
||||
`Pattern`* {.acyclic, preservesOr.} = ref object
|
||||
case orKind*: PatternKind
|
||||
of PatternKind.`discard`:
|
||||
`discard`*: PatternDiscard
|
||||
of PatternKind.`DDiscard`:
|
||||
`ddiscard`*: DDiscard
|
||||
|
||||
of PatternKind.`bind`:
|
||||
`bind`* {.preservesEmbedded.}: PatternBind
|
||||
of PatternKind.`DBind`:
|
||||
`dbind`* {.preservesEmbedded.}: DBind
|
||||
|
||||
of PatternKind.`lit`:
|
||||
`lit`* {.preservesEmbedded.}: PatternLit
|
||||
of PatternKind.`DLit`:
|
||||
`dlit`* {.preservesEmbedded.}: DLit
|
||||
|
||||
of PatternKind.`group`:
|
||||
`group`* {.preservesEmbedded.}: PatternGroup
|
||||
of PatternKind.`DCompound`:
|
||||
`dcompound`* {.preservesEmbedded.}: DCompound
|
||||
|
||||
|
||||
proc `$`*(x: AnyAtom | GroupType | Pattern): string =
|
||||
proc `$`*(x: AnyAtom | DLit | DBind | DDiscard | DCompound | Pattern): string =
|
||||
`$`(toPreserves(x))
|
||||
|
||||
proc encode*(x: AnyAtom | GroupType | Pattern): seq[byte] =
|
||||
proc encode*(x: AnyAtom | DLit | DBind | DDiscard | DCompound | Pattern): seq[
|
||||
byte] =
|
||||
encode(toPreserves(x))
|
||||
|
|
|
@ -13,15 +13,15 @@ type
|
|||
`pathSteps`* {.preservesTupleTail.}: seq[PathStep]
|
||||
|
||||
BindObserverKind* {.pure.} = enum
|
||||
`absent`, `present`
|
||||
`present`, `absent`
|
||||
`BindObserver`* {.preservesOr.} = object
|
||||
case orKind*: BindObserverKind
|
||||
of BindObserverKind.`absent`:
|
||||
`absent`* {.preservesLiteral: "#f".}: bool
|
||||
|
||||
of BindObserverKind.`present`:
|
||||
`present`* {.preservesEmbedded.}: EmbeddedRef
|
||||
|
||||
of BindObserverKind.`absent`:
|
||||
`absent`* {.preservesLiteral: "#f".}: bool
|
||||
|
||||
|
||||
TransportConnection* {.preservesRecord: "connect-transport".} = object
|
||||
`addr`*: Value
|
||||
|
@ -35,18 +35,18 @@ type
|
|||
`resolved`*: Resolved
|
||||
|
||||
BoundKind* {.pure.} = enum
|
||||
`Rejected`, `bound`
|
||||
`bound`, `Rejected`
|
||||
BoundBound* {.preservesRecord: "bound".} = object
|
||||
`pathStep`*: PathStep
|
||||
|
||||
`Bound`* {.preservesOr.} = object
|
||||
case orKind*: BoundKind
|
||||
of BoundKind.`Rejected`:
|
||||
`rejected`*: Rejected
|
||||
|
||||
of BoundKind.`bound`:
|
||||
`bound`*: BoundBound
|
||||
|
||||
of BoundKind.`Rejected`:
|
||||
`rejected`*: Rejected
|
||||
|
||||
|
||||
ForceDisconnect* {.preservesRecord: "force-disconnect".} = object
|
||||
|
||||
|
@ -59,18 +59,18 @@ type
|
|||
`observer`* {.preservesEmbedded.}: EmbeddedRef
|
||||
|
||||
ResolvedKind* {.pure.} = enum
|
||||
`Rejected`, `accepted`
|
||||
`accepted`, `Rejected`
|
||||
ResolvedAccepted* {.preservesRecord: "accepted".} = object
|
||||
`responderSession`* {.preservesEmbedded.}: EmbeddedRef
|
||||
|
||||
`Resolved`* {.preservesOr.} = object
|
||||
case orKind*: ResolvedKind
|
||||
of ResolvedKind.`Rejected`:
|
||||
`rejected`*: Rejected
|
||||
|
||||
of ResolvedKind.`accepted`:
|
||||
`accepted`* {.preservesEmbedded.}: ResolvedAccepted
|
||||
|
||||
of ResolvedKind.`Rejected`:
|
||||
`rejected`*: Rejected
|
||||
|
||||
|
||||
TransportControl* = ForceDisconnect
|
||||
ResolvePath* {.preservesRecord: "resolve-path".} = object
|
||||
|
|
|
@ -47,13 +47,24 @@ type
|
|||
|
||||
HttpRequest* {.preservesRecord: "http-request".} = object
|
||||
`sequenceNumber`*: BiggestInt
|
||||
`host`*: RequestHost
|
||||
`host`*: string
|
||||
`port`*: BiggestInt
|
||||
`method`*: Symbol
|
||||
`path`*: seq[string]
|
||||
`headers`*: Headers
|
||||
`query`*: Table[Symbol, seq[QueryValue]]
|
||||
`body`*: Value
|
||||
`body`*: RequestBody
|
||||
|
||||
RequestBodyKind* {.pure.} = enum
|
||||
`present`, `absent`
|
||||
`RequestBody`* {.preservesOr.} = object
|
||||
case orKind*: RequestBodyKind
|
||||
of RequestBodyKind.`present`:
|
||||
`present`*: seq[byte]
|
||||
|
||||
of RequestBodyKind.`absent`:
|
||||
`absent`* {.preservesLiteral: "#f".}: bool
|
||||
|
||||
|
||||
Headers* = Table[Symbol, string]
|
||||
HttpResponseKind* {.pure.} = enum
|
||||
|
@ -104,17 +115,6 @@ type
|
|||
`req`*: HttpRequest
|
||||
`res`* {.preservesEmbedded.}: Value
|
||||
|
||||
RequestHostKind* {.pure.} = enum
|
||||
`absent`, `present`
|
||||
`RequestHost`* {.preservesOr.} = object
|
||||
case orKind*: RequestHostKind
|
||||
of RequestHostKind.`absent`:
|
||||
`absent`* {.preservesLiteral: "#f".}: bool
|
||||
|
||||
of RequestHostKind.`present`:
|
||||
`present`*: string
|
||||
|
||||
|
||||
PathPatternElementKind* {.pure.} = enum
|
||||
`label`, `wildcard`, `rest`
|
||||
`PathPatternElement`* {.preservesOr.} = object
|
||||
|
@ -143,12 +143,12 @@ type
|
|||
PathPattern* = seq[PathPatternElement]
|
||||
proc `$`*(x: HostPattern | HttpListener | MethodPattern | MimeType | QueryValue |
|
||||
HttpRequest |
|
||||
RequestBody |
|
||||
Headers |
|
||||
HttpResponse |
|
||||
HttpService |
|
||||
HttpBinding |
|
||||
HttpContext |
|
||||
RequestHost |
|
||||
PathPatternElement |
|
||||
Chunk |
|
||||
PathPattern): string =
|
||||
|
@ -157,12 +157,12 @@ proc `$`*(x: HostPattern | HttpListener | MethodPattern | MimeType | QueryValue
|
|||
proc encode*(x: HostPattern | HttpListener | MethodPattern | MimeType |
|
||||
QueryValue |
|
||||
HttpRequest |
|
||||
RequestBody |
|
||||
Headers |
|
||||
HttpResponse |
|
||||
HttpService |
|
||||
HttpBinding |
|
||||
HttpContext |
|
||||
RequestHost |
|
||||
PathPatternElement |
|
||||
Chunk |
|
||||
PathPattern): seq[byte] =
|
||||
|
|
|
@ -48,17 +48,6 @@ type
|
|||
`absent`*: SecretKeyFieldAbsent
|
||||
|
||||
|
||||
SessionItemKind* {.pure.} = enum
|
||||
`Initiator`, `Packet`
|
||||
`SessionItem`* {.preservesOr.} = object
|
||||
case orKind*: SessionItemKind
|
||||
of SessionItemKind.`Initiator`:
|
||||
`initiator`* {.preservesEmbedded.}: Initiator
|
||||
|
||||
of SessionItemKind.`Packet`:
|
||||
`packet`*: Packet
|
||||
|
||||
|
||||
NoiseProtocolKind* {.pure.} = enum
|
||||
`present`, `invalid`, `absent`
|
||||
NoiseProtocolPresent* {.preservesDictionary.} = object
|
||||
|
@ -94,9 +83,6 @@ type
|
|||
`service`*: ServiceSelector
|
||||
|
||||
ServiceSelector* = Value
|
||||
Initiator* {.preservesRecord: "initiator".} = object
|
||||
`initiatorSession`* {.preservesEmbedded.}: EmbeddedRef
|
||||
|
||||
NoiseStepDetail* = ServiceSelector
|
||||
NoiseSpecKey* = seq[byte]
|
||||
NoiseSpecPreSharedKeys* = Option[Value]
|
||||
|
@ -119,21 +105,17 @@ type
|
|||
|
||||
|
||||
proc `$`*(x: NoiseDescriptionDetail | NoisePreSharedKeys | SecretKeyField |
|
||||
SessionItem |
|
||||
NoiseProtocol |
|
||||
NoisePathStepDetail |
|
||||
NoiseServiceSpec |
|
||||
Initiator |
|
||||
NoiseSpec |
|
||||
Packet): string =
|
||||
`$`(toPreserves(x))
|
||||
|
||||
proc encode*(x: NoiseDescriptionDetail | NoisePreSharedKeys | SecretKeyField |
|
||||
SessionItem |
|
||||
NoiseProtocol |
|
||||
NoisePathStepDetail |
|
||||
NoiseServiceSpec |
|
||||
Initiator |
|
||||
NoiseSpec |
|
||||
Packet): seq[byte] =
|
||||
encode(toPreserves(x))
|
||||
|
|
|
@ -30,12 +30,9 @@ type
|
|||
Assertion* = Value
|
||||
Handle* = BiggestInt
|
||||
PacketKind* {.pure.} = enum
|
||||
`Nop`, `Turn`, `Error`, `Extension`
|
||||
`Turn`, `Error`, `Extension`
|
||||
`Packet`* {.preservesOr.} = object
|
||||
case orKind*: PacketKind
|
||||
of PacketKind.`Nop`:
|
||||
`nop`* {.preservesLiteral: "#f".}: bool
|
||||
|
||||
of PacketKind.`Turn`:
|
||||
`turn`* {.preservesEmbedded.}: Turn
|
||||
|
||||
|
|
|
@ -1,34 +0,0 @@
|
|||
|
||||
import
|
||||
preserves
|
||||
|
||||
type
|
||||
Question* {.preservesRecord: "q".} = object
|
||||
`request`*: Value
|
||||
|
||||
Answer* {.preservesRecord: "a".} = object
|
||||
`request`*: Value
|
||||
`response`*: Value
|
||||
|
||||
ResultKind* {.pure.} = enum
|
||||
`ok`, `error`
|
||||
ResultOk* {.preservesRecord: "ok".} = object
|
||||
`value`*: Value
|
||||
|
||||
ResultError* {.preservesRecord: "error".} = object
|
||||
`error`*: Value
|
||||
|
||||
`Result`* {.preservesOr.} = object
|
||||
case orKind*: ResultKind
|
||||
of ResultKind.`ok`:
|
||||
`ok`*: ResultOk
|
||||
|
||||
of ResultKind.`error`:
|
||||
`error`*: ResultError
|
||||
|
||||
|
||||
proc `$`*(x: Question | Answer | Result): string =
|
||||
`$`(toPreserves(x))
|
||||
|
||||
proc encode*(x: Question | Answer | Result): seq[byte] =
|
||||
encode(toPreserves(x))
|
|
@ -11,7 +11,6 @@ type
|
|||
`label`*: Value
|
||||
`seconds`*: float
|
||||
`kind`*: TimerKind
|
||||
`peer`* {.preservesEmbedded.}: Value
|
||||
|
||||
`TimerKind`* {.preservesOr, pure.} = enum
|
||||
`relative`, `absolute`, `clear`
|
||||
|
|
|
@ -1,10 +1,9 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[options, sets, tables],
|
||||
pkg/preserves,
|
||||
../syndicate, ./durings, ./membranes, ./protocols/[gatekeeper, protocol, sturdy, transportAddress]
|
||||
import std/[options, tables]
|
||||
import preserves
|
||||
import ../syndicate, ./durings, ./membranes, ./protocols/[gatekeeper, protocol, sturdy, transportAddress]
|
||||
|
||||
when defined(posix):
|
||||
import ./capabilities
|
||||
|
@ -30,8 +29,8 @@ type
|
|||
Turn = syndicate.Turn
|
||||
WireRef = sturdy.WireRef
|
||||
|
||||
PacketWriter = proc (turn: Turn; buf: seq[byte]) {.closure.}
|
||||
RelaySetup = proc (turn: Turn; relay: Relay) {.closure.}
|
||||
PacketWriter = proc (turn: var Turn; buf: seq[byte]) {.closure.}
|
||||
RelaySetup = proc (turn: var Turn; relay: Relay) {.closure.}
|
||||
|
||||
Relay* = ref object
|
||||
facet: Facet
|
||||
|
@ -60,27 +59,27 @@ type
|
|||
proc releaseCapOut(r: Relay; e: WireSymbol) =
|
||||
r.exported.drop e
|
||||
|
||||
method publish(spe: SyncPeerEntity; t: Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(spe: SyncPeerEntity; t: var Turn; a: AssertionRef; h: Handle) =
|
||||
spe.handleMap[h] = publish(t, spe.peer, a.value)
|
||||
|
||||
method retract(se: SyncPeerEntity; t: Turn; h: Handle) =
|
||||
method retract(se: SyncPeerEntity; t: var Turn; h: Handle) =
|
||||
var other: Handle
|
||||
if se.handleMap.pop(h, other):
|
||||
retract(t, other)
|
||||
|
||||
method message(se: SyncPeerEntity; t: Turn; a: AssertionRef) =
|
||||
method message(se: SyncPeerEntity; t: var Turn; a: AssertionRef) =
|
||||
if not se.e.isNil:
|
||||
se.relay.releaseCapOut(se.e)
|
||||
message(t, se.peer, a.value)
|
||||
|
||||
method sync(se: SyncPeerEntity; t: Turn; peer: Cap) =
|
||||
method sync(se: SyncPeerEntity; t: var Turn; peer: Cap) =
|
||||
sync(t, se.peer, peer)
|
||||
|
||||
proc newSyncPeerEntity(r: Relay; p: Cap): SyncPeerEntity =
|
||||
SyncPeerEntity(relay: r, peer: p)
|
||||
|
||||
proc rewriteCapOut(relay: Relay; cap: Cap; exported: var seq[WireSymbol]): WireRef =
|
||||
if cap.target of RelayEntity and cap.target.RelayEntity.relay == relay and cap.caveats.len == 0:
|
||||
if cap.target of RelayEntity and cap.target.RelayEntity.relay == relay and cap.attenuation.len == 0:
|
||||
result = WireRef(orKind: WireRefKind.yours, yours: WireRefYours(oid: cap.target.oid))
|
||||
else:
|
||||
var ws = grab(relay.exported, cap)
|
||||
|
@ -97,9 +96,8 @@ proc rewriteOut(relay: Relay; v: Assertion):
|
|||
var exported: seq[WireSymbol]
|
||||
result.rewritten = mapEmbeds(v) do (pr: Value) -> Value:
|
||||
let o = pr.unembed(Cap); if o.isSome:
|
||||
result = rewriteCapOut(relay, o.get, exported).toPreserves
|
||||
result.embedded = true
|
||||
else: result = pr
|
||||
rewriteCapOut(relay, o.get, exported).toPreserves
|
||||
else: pr
|
||||
result.exported = exported
|
||||
|
||||
proc register(relay: Relay; v: Assertion; h: Handle): tuple[rewritten: Value, exported: seq[WireSymbol]] =
|
||||
|
@ -111,10 +109,10 @@ proc deregister(relay: Relay; h: Handle) =
|
|||
if relay.outboundAssertions.pop(h, outbound):
|
||||
for e in outbound: releaseCapOut(relay, e)
|
||||
|
||||
proc send(relay: Relay; turn: Turn; rOid: protocol.Oid; m: Event) =
|
||||
proc send(relay: Relay; turn: var Turn; rOid: protocol.Oid; m: Event) =
|
||||
# TODO: don't send right away.
|
||||
relay.pendingTurn.add TurnEvent(oid: rOid, event: m)
|
||||
queueEffect(turn, relay.facet) do (turn: Turn):
|
||||
queueEffect(turn, relay.facet) do (turn: var Turn):
|
||||
if relay.pendingTurn.len > 0:
|
||||
var pkt = Packet(
|
||||
orKind: PacketKind.Turn,
|
||||
|
@ -122,29 +120,29 @@ proc send(relay: Relay; turn: Turn; rOid: protocol.Oid; m: Event) =
|
|||
trace "C: ", pkt
|
||||
relay.packetWriter(turn, encode pkt)
|
||||
|
||||
proc send(re: RelayEntity; turn: Turn; ev: Event) =
|
||||
proc send(re: RelayEntity; turn: var Turn; ev: Event) =
|
||||
send(re.relay, turn, protocol.Oid re.oid, ev)
|
||||
|
||||
method publish(re: RelayEntity; t: Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(re: RelayEntity; t: var Turn; a: AssertionRef; h: Handle) =
|
||||
re.send(t, Event(
|
||||
orKind: EventKind.Assert,
|
||||
`assert`: protocol.Assert(
|
||||
assertion: re.relay.register(a.value, h).rewritten,
|
||||
handle: h)))
|
||||
|
||||
method retract(re: RelayEntity; t: Turn; h: Handle) =
|
||||
method retract(re: RelayEntity; t: var Turn; h: Handle) =
|
||||
re.relay.deregister h
|
||||
re.send(t, Event(
|
||||
orKind: EventKind.Retract,
|
||||
retract: Retract(handle: h)))
|
||||
|
||||
method message(re: RelayEntity; turn: Turn; msg: AssertionRef) =
|
||||
method message(re: RelayEntity; turn: var Turn; msg: AssertionRef) =
|
||||
var (value, exported) = rewriteOut(re.relay, msg.value)
|
||||
assert(len(exported) == 0, "cannot send a reference in a message")
|
||||
if len(exported) == 0:
|
||||
re.send(turn, Event(orKind: EventKind.Message, message: Message(body: value)))
|
||||
|
||||
method sync(re: RelayEntity; turn: Turn; peer: Cap) =
|
||||
method sync(re: RelayEntity; turn: var Turn; peer: Cap) =
|
||||
var
|
||||
peerEntity = newSyncPeerEntity(re.relay, peer)
|
||||
exported: seq[WireSymbol]
|
||||
|
@ -197,7 +195,7 @@ proc rewriteIn(relay; facet; v: Value):
|
|||
|
||||
proc close(r: Relay) = discard
|
||||
|
||||
proc dispatch(relay: Relay; turn: Turn; cap: Cap; event: Event) =
|
||||
proc dispatch(relay: Relay; turn: var Turn; cap: Cap; event: Event) =
|
||||
case event.orKind
|
||||
of EventKind.Assert:
|
||||
let (a, imported) = rewriteIn(relay, turn.facet, event.assert.assertion)
|
||||
|
@ -216,7 +214,7 @@ proc dispatch(relay: Relay; turn: Turn; cap: Cap; event: Event) =
|
|||
turn.message(cap, a)
|
||||
|
||||
of EventKind.Sync:
|
||||
turn.sync(cap) do (turn: Turn):
|
||||
turn.sync(cap) do (turn: var Turn):
|
||||
var
|
||||
(v, imported) = rewriteIn(relay, turn.facet, event.sync.peer)
|
||||
peer = unembed(v, Cap)
|
||||
|
@ -226,7 +224,7 @@ proc dispatch(relay: Relay; turn: Turn; cap: Cap; event: Event) =
|
|||
|
||||
proc dispatch(relay: Relay; v: Value) =
|
||||
trace "S: ", v
|
||||
run(relay.facet) do (t: Turn):
|
||||
run(relay.facet) do (t: var Turn):
|
||||
var pkt: Packet
|
||||
if pkt.fromPreserves(v):
|
||||
case pkt.orKind
|
||||
|
@ -244,8 +242,6 @@ proc dispatch(relay: Relay; v: Value) =
|
|||
of PacketKind.Extension:
|
||||
# https://synit.org/book/protocol.html#extension-packets
|
||||
discard
|
||||
of PacketKind.Nop:
|
||||
discard
|
||||
else:
|
||||
when defined(posix):
|
||||
stderr.writeLine("discarding undecoded packet ", v)
|
||||
|
@ -255,7 +251,7 @@ proc recv(relay: Relay; buf: openarray[byte]; slice: Slice[int]) =
|
|||
var pr = decode(relay.wireBuf)
|
||||
if pr.isSome: dispatch(relay, pr.get)
|
||||
|
||||
proc recv(relay: Relay; buf: openarray[byte]) {.used.} =
|
||||
proc recv(relay: Relay; buf: openarray[byte]) =
|
||||
feed(relay.wireBuf, buf)
|
||||
var pr = decode(relay.wireBuf)
|
||||
if pr.isSome: dispatch(relay, pr.get)
|
||||
|
@ -269,8 +265,8 @@ type
|
|||
initialCap*: Cap
|
||||
nextLocalOid*: Option[Oid]
|
||||
|
||||
proc spawnRelay(name: string; turn: Turn; opts: RelayActorOptions; setup: RelaySetup) =
|
||||
linkActor(turn, name) do (turn: Turn):
|
||||
proc spawnRelay(name: string; turn: var Turn; opts: RelayActorOptions; setup: RelaySetup) =
|
||||
linkActor(turn, name) do (turn: var Turn):
|
||||
turn.preventInertCheck()
|
||||
let relay = Relay(
|
||||
facet: turn.facet,
|
||||
|
@ -304,10 +300,10 @@ proc accepted(cap: Cap): Resolved =
|
|||
result.accepted.responderSession = cap
|
||||
|
||||
type ShutdownEntity = ref object of Entity
|
||||
method retract(e: ShutdownEntity; turn: Turn; h: Handle) =
|
||||
method retract(e: ShutdownEntity; turn: var Turn; h: Handle) =
|
||||
stopActor(e.facet)
|
||||
|
||||
when defined(posix) and not defined(nimdoc):
|
||||
when defined(posix):
|
||||
|
||||
import std/[oserrors, posix]
|
||||
import pkg/sys/[files, handles, ioqueue, sockets]
|
||||
|
@ -318,7 +314,7 @@ when defined(posix) and not defined(nimdoc):
|
|||
stdin: AsyncFile
|
||||
alive: bool
|
||||
|
||||
method message(entity: StdioEntity; turn: Turn; ass: AssertionRef) =
|
||||
method message(entity: StdioEntity; turn: var Turn; ass: AssertionRef) =
|
||||
if ass.value.preservesTo(ForceDisconnect).isSome:
|
||||
entity.alive = false
|
||||
|
||||
|
@ -328,17 +324,15 @@ when defined(posix) and not defined(nimdoc):
|
|||
while entity.alive:
|
||||
buf[].setLen(0x1000)
|
||||
let n = read(entity.stdin, buf)
|
||||
if n > 0:
|
||||
entity.relay.recv(buf[], 0..<n)
|
||||
else:
|
||||
entity.alive = false
|
||||
if n < 0: raiseOSError(osLastError())
|
||||
if n == 0:
|
||||
stopActor(entity.facet)
|
||||
else:
|
||||
entity.relay.recv(buf[], 0..<n)
|
||||
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Stdio) =
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Stdio) =
|
||||
## Connect to an external dataspace over stdio.
|
||||
let localDataspace = newDataspace(turn)
|
||||
proc stdoutWriter(turn: Turn; buf: seq[byte]) =
|
||||
proc stdoutWriter(turn: var Turn; buf: seq[byte]) =
|
||||
## Blocking write to stdout.
|
||||
let n = writeBytes(stdout, buf, 0, buf.len)
|
||||
flushFile(stdout)
|
||||
|
@ -349,7 +343,7 @@ when defined(posix) and not defined(nimdoc):
|
|||
initialCap: localDataspace,
|
||||
initialOid: 0.Oid.some,
|
||||
)
|
||||
spawnRelay("stdio", turn, opts) do (turn: Turn; relay: Relay):
|
||||
spawnRelay("stdio", turn, opts) do (turn: var Turn; relay: Relay):
|
||||
let
|
||||
facet = turn.facet
|
||||
fd = stdin.getOsFileHandle()
|
||||
|
@ -359,7 +353,7 @@ when defined(posix) and not defined(nimdoc):
|
|||
raiseOSError(osLastError())
|
||||
let entity = StdioEntity(
|
||||
facet: turn.facet, relay: relay, stdin: newAsyncFile(FD fd))
|
||||
onStop(entity.facet) do (turn: Turn):
|
||||
onStop(entity.facet) do (turn: var Turn):
|
||||
entity.alive = false
|
||||
close(entity.stdin)
|
||||
# Close stdin to remove it from the ioqueue
|
||||
|
@ -371,7 +365,7 @@ when defined(posix) and not defined(nimdoc):
|
|||
resolved: localDataspace.accepted,
|
||||
))
|
||||
|
||||
proc connectStdio*(turn: Turn; ds: Cap) =
|
||||
proc connectStdio*(turn: var Turn; ds: Cap) =
|
||||
## Connect to an external dataspace over stdin and stdout.
|
||||
connectTransport(turn, ds, transportAddress.Stdio())
|
||||
|
||||
|
@ -388,35 +382,33 @@ when defined(posix) and not defined(nimdoc):
|
|||
|
||||
SocketEntity = TcpEntity | UnixEntity
|
||||
|
||||
method message(entity: SocketEntity; turn: Turn; ass: AssertionRef) =
|
||||
method message(entity: SocketEntity; turn: var Turn; ass: AssertionRef) =
|
||||
if ass.value.preservesTo(ForceDisconnect).isSome:
|
||||
entity.alive = false
|
||||
|
||||
template bootSocketEntity() {.dirty.} =
|
||||
proc setup(turn: Turn) {.closure.} =
|
||||
proc kill(turn: Turn) =
|
||||
proc setup(turn: var Turn) {.closure.} =
|
||||
proc kill(turn: var Turn) =
|
||||
if entity.alive:
|
||||
entity.alive = false
|
||||
close(entity.sock)
|
||||
onStop(turn, kill)
|
||||
var ass = TransportConnection(
|
||||
publish(turn, ds, TransportConnection(
|
||||
`addr`: ta.toPreserves,
|
||||
control: newCap(entity, turn),
|
||||
resolved: entity.relay.peer.accepted,
|
||||
)
|
||||
publish(turn, ds, ass)
|
||||
))
|
||||
run(entity.relay.facet, setup)
|
||||
let buf = new seq[byte]
|
||||
entity.alive = true
|
||||
while entity.alive:
|
||||
buf[].setLen(0x1000)
|
||||
let n = read(entity.sock, buf)
|
||||
if n > 0:
|
||||
entity.relay.recv(buf[], 0..<n)
|
||||
else:
|
||||
entity.alive = false
|
||||
if n < 0: raiseOSError(osLastError())
|
||||
elif n == 0:
|
||||
stopActor(entity.facet)
|
||||
else:
|
||||
entity.relay.recv(buf[], 0..<n)
|
||||
# the socket closes when the actor is stopped
|
||||
|
||||
proc boot(entity: TcpEntity; ta: transportAddress.Tcp; ds: Cap) {.asyncio.} =
|
||||
|
@ -428,25 +420,24 @@ when defined(posix) and not defined(nimdoc):
|
|||
bootSocketEntity()
|
||||
|
||||
template spawnSocketRelay() {.dirty.} =
|
||||
proc writeConn(turn: Turn; buf: seq[byte]) =
|
||||
if entity.alive:
|
||||
proc writeConn(turn: var Turn; buf: seq[byte]) =
|
||||
discard trampoline:
|
||||
whelp write(entity.sock, buf)
|
||||
var ops = RelayActorOptions(
|
||||
packetWriter: writeConn,
|
||||
initialOid: 0.Oid.some,
|
||||
)
|
||||
spawnRelay("socket", turn, ops) do (turn: Turn; relay: Relay):
|
||||
spawnRelay("socket", turn, ops) do (turn: var Turn; relay: Relay):
|
||||
entity.facet = turn.facet
|
||||
entity.relay = relay
|
||||
discard trampoline:
|
||||
whelp boot(entity, ta, ds)
|
||||
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Tcp) =
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Tcp) =
|
||||
let entity = TcpEntity()
|
||||
spawnSocketRelay()
|
||||
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Unix) =
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Unix) =
|
||||
let entity = UnixEntity()
|
||||
spawnSocketRelay()
|
||||
|
||||
|
@ -461,14 +452,14 @@ elif defined(solo5):
|
|||
conn: Connection
|
||||
decoder: BufferedDecoder
|
||||
|
||||
method message(entity: TcpEntity; turn: Turn; ass: AssertionRef) =
|
||||
method message(entity: TcpEntity; turn: var Turn; ass: AssertionRef) =
|
||||
if ass.value.preservesTo(ForceDisconnect).isSome:
|
||||
entity.conn.abort()
|
||||
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Tcp) =
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Tcp) =
|
||||
let entity = TcpEntity(facet: turn.facet)
|
||||
|
||||
proc writeConn(turn: Turn; buf: seq[byte]) =
|
||||
proc writeConn(turn: var Turn; buf: seq[byte]) =
|
||||
assert not entity.conn.isNil
|
||||
entity.conn.batch:
|
||||
entity.conn.send(buf)
|
||||
|
@ -476,7 +467,7 @@ elif defined(solo5):
|
|||
packetWriter: writeConn,
|
||||
initialOid: 0.Oid.some,
|
||||
)
|
||||
spawnRelay("socket", turn, ops) do (turn: Turn; relay: Relay):
|
||||
spawnRelay("socket", turn, ops) do (turn: var Turn; relay: Relay):
|
||||
entity.facet = turn.facet
|
||||
entity.relay = relay
|
||||
|
||||
|
@ -495,10 +486,10 @@ elif defined(solo5):
|
|||
var preconn = newPreconnection(
|
||||
remote=[ep], transport=tp.some)
|
||||
entity.conn = preconn.initiate()
|
||||
entity.facet.onStop do (turn: Turn):
|
||||
entity.facet.onStop do (turn: var Turn):
|
||||
entity.conn.close()
|
||||
entity.conn.onConnectionError do (err: ref Exception):
|
||||
run(entity.facet) do (turn: Turn):
|
||||
run(entity.facet) do (turn: var Turn):
|
||||
terminate(turn, err)
|
||||
entity.conn.onClosed():
|
||||
stop(entity.facet)
|
||||
|
@ -509,7 +500,7 @@ elif defined(solo5):
|
|||
else:
|
||||
entity.conn.receive()
|
||||
entity.conn.onReady do ():
|
||||
entity.facet.run do (turn: Turn):
|
||||
entity.facet.run do (turn: var Turn):
|
||||
publish(turn, ds, TransportConnection(
|
||||
`addr`: ta.toPreserves,
|
||||
control: newCap(entity, turn),
|
||||
|
@ -517,7 +508,7 @@ elif defined(solo5):
|
|||
))
|
||||
entity.conn.receive()
|
||||
|
||||
proc walk(turn: Turn; ds, origin: Cap; route: Route; transOff, stepOff: int) =
|
||||
proc walk(turn: var Turn; ds, origin: Cap; route: Route; transOff, stepOff: int) =
|
||||
if stepOff < route.pathSteps.len:
|
||||
let
|
||||
step = route.pathSteps[stepOff]
|
||||
|
@ -540,7 +531,7 @@ proc walk(turn: Turn; ds, origin: Cap; route: Route; transOff, stepOff: int) =
|
|||
resolved: origin.accepted,
|
||||
))
|
||||
|
||||
proc connectRoute(turn: Turn; ds: Cap; route: Route; transOff: int) =
|
||||
proc connectRoute(turn: var Turn; ds: Cap; route: Route; transOff: int) =
|
||||
let rejectPat = TransportConnection ?: {
|
||||
0: ?route.transports[transOff],
|
||||
2: ?:Rejected,
|
||||
|
@ -556,36 +547,37 @@ proc connectRoute(turn: Turn; ds: Cap; route: Route; transOff: int) =
|
|||
2: ?:ResolvedAccepted,
|
||||
}
|
||||
onPublish(turn, ds, acceptPat) do (origin: Cap):
|
||||
origin.relay.run do (turn: Turn):
|
||||
# walk using the facet that manages the transport connection
|
||||
walk(turn, ds, origin, route, transOff, 0)
|
||||
|
||||
type StepCallback = proc (turn: Turn; step: Value; origin: Cap; res: Resolved) {.closure.}
|
||||
type StepCallback = proc (turn: var Turn; step: Value; origin, next: Cap) {.closure.}
|
||||
|
||||
proc spawnStepResolver(turn: Turn; ds: Cap; stepType: Value; cb: StepCallback) =
|
||||
let pat = observePattern(
|
||||
ResolvedPathStep?:{1: grabRecord(stepType)},
|
||||
{ @[0.toPreserves]: grabLit(), @[1.toPreserves]: grab() },
|
||||
)
|
||||
proc spawnStepResolver(turn: var Turn; ds: Cap; stepType: Value; cb: StepCallback) =
|
||||
let stepPat = grabRecord(stepType, grab())
|
||||
let pat = ?Observe(pattern: ResolvedPathStep?:{1: stepPat}) ?? {0: grabLit(), 1: grab()}
|
||||
during(turn, ds, pat) do (origin: Cap; stepDetail: Literal[Value]):
|
||||
proc duringCallback(turn: Turn; ass: Value; h: Handle): TurnAction =
|
||||
var res: Resolved
|
||||
if res.fromPreserves ass:
|
||||
cb(turn, stepDetail.value, origin, res)
|
||||
proc action(turn: Turn) =
|
||||
let step = toRecord(stepType, stepDetail.value)
|
||||
proc duringCallback(turn: var Turn; ass: Value; h: Handle): TurnAction =
|
||||
var res = ass.preservesTo Resolved
|
||||
if res.isSome:
|
||||
if res.get.orKind == ResolvedKind.accepted and
|
||||
res.get.accepted.responderSession of Cap:
|
||||
cb(turn, step, origin, res.get.accepted.responderSession.Cap)
|
||||
else:
|
||||
publish(turn, ds, ResolvedPathStep(
|
||||
origin: origin, pathStep: step, resolved: res.get))
|
||||
proc action(turn: var Turn) =
|
||||
stop(turn)
|
||||
result = action
|
||||
publish(turn, origin, Resolve(
|
||||
step: stepDetail.value, observer: newCap(turn, during(duringCallback))))
|
||||
step: step, observer: newCap(turn, during(duringCallback))))
|
||||
|
||||
proc spawnRelays*(turn: Turn; ds: Cap) =
|
||||
## Spawn actors that manage routes and appease gatekeepers.
|
||||
|
||||
let transPat = observePattern(!TransportConnection, { @[0.toPreserves]: grab() })
|
||||
proc spawnRelays*(turn: var Turn; ds: Cap) =
|
||||
## Spawn actors that manage routes and appeasing gatekeepers.
|
||||
let transPat = ?Observe(pattern: !TransportConnection) ?? { 0: grab() }
|
||||
# Use a generic pattern and type matching
|
||||
# in the during handler because it is easy.
|
||||
|
||||
when defined(posix) and not defined(nimdoc):
|
||||
when defined(posix):
|
||||
let stdioPat = ?Observe(pattern: TransportConnection?:{0: ?:Stdio})
|
||||
during(turn, ds, stdioPat) do:
|
||||
connectTransport(turn, ds, Stdio())
|
||||
|
@ -604,56 +596,26 @@ proc spawnRelays*(turn: Turn; ds: Cap) =
|
|||
try: connectTransport(turn, ds, ta.value)
|
||||
except exceptions.IOError as e:
|
||||
publish(turn, ds, TransportConnection(
|
||||
`addr`: ta.toPreserves,
|
||||
`addr`: ta.toPreserve,
|
||||
resolved: rejected(embed e),
|
||||
))
|
||||
|
||||
let resolvePat = observePattern(!ResolvePath, {@[0.toPreserves]: grab()})
|
||||
let resolvePat = ?Observe(pattern: !ResolvePath) ?? {0: grab()}
|
||||
during(turn, ds, resolvePat) do (route: Literal[Route]):
|
||||
for i, transAddr in route.value.transports:
|
||||
connectRoute(turn, ds, route.value, i)
|
||||
|
||||
spawnStepResolver(turn, ds, "ref".toSymbol) do (
|
||||
turn: Turn, step: Value, origin: Cap, res: Resolved):
|
||||
turn: var Turn, step: Value, origin: Cap, next: Cap):
|
||||
publish(turn, ds, ResolvedPathStep(
|
||||
origin: origin, pathStep: step, resolved: res))
|
||||
origin: origin, pathStep: step, resolved: next.accepted))
|
||||
|
||||
type
|
||||
BootProc* = proc (turn: Turn; ds: Cap) {.closure.}
|
||||
type BootProc* = proc (turn: var Turn; ds: Cap) {.closure.}
|
||||
|
||||
proc resolve*(turn: Turn; ds: Cap; route: Route; bootProc: BootProc) =
|
||||
proc resolve*(turn: var Turn; ds: Cap; route: Route; bootProc: BootProc) =
|
||||
## Resolve `route` within `ds` and call `bootProc` with resolved capabilities.
|
||||
## If a resolved route is retracted then `bootProc` will be called again with
|
||||
## the next available route.
|
||||
var
|
||||
destinations: OrderedSet[Cap]
|
||||
activeDest: Cap
|
||||
activeActor: Actor
|
||||
proc bootActor(turn: Turn) =
|
||||
assert activeActor.isNil
|
||||
assert activeDest.isNil
|
||||
for d in destinations:
|
||||
activeDest = d
|
||||
break
|
||||
if not activeDest.isNil:
|
||||
activeActor = linkActor(turn, "resolver") do (turn: Turn):
|
||||
onStop(turn) do (turn: Turn):
|
||||
activeActor = nil
|
||||
activeDest = nil
|
||||
bootActor(turn)
|
||||
bootProc(turn, activeDest)
|
||||
during(turn, ds, ResolvePath ?: {0: ?route, 3: ?:ResolvedAccepted}) do (dst: Cap):
|
||||
destinations.incl dst
|
||||
if activeDest.isNil:
|
||||
bootActor(turn)
|
||||
do:
|
||||
destinations.excl dst
|
||||
|
||||
proc resolve*(turn: Turn; route: Route; bootProc: BootProc) =
|
||||
## Resolve `route` and call `bootProc` with resolved capability.
|
||||
let ds = turn.newDataspace()
|
||||
resolve(turn, ds, route, bootProc)
|
||||
spawnRelays(turn, ds)
|
||||
bootProc(turn, dst)
|
||||
|
||||
when defined(posix):
|
||||
const defaultRoute* = "<route [<stdio>]>"
|
||||
|
@ -664,14 +626,28 @@ when defined(posix):
|
|||
## fallack to a defaultRoute_.
|
||||
## See https://git.syndicate-lang.org/syndicate-lang/syndicate-protocols/raw/branch/main/schemas/gatekeeper.prs.
|
||||
var text = getEnv("SYNDICATE_ROUTE", defaultRoute)
|
||||
try:
|
||||
if result.fromPreserves text.parsePreserves: return
|
||||
except ValueError: discard
|
||||
raise newException(ValueError, "failed to parse $SYNDICATE_ROUTE " & $text)
|
||||
if text == "":
|
||||
var tx = (getEnv("XDG_RUNTIME_DIR", "/run/user/1000") / "dataspace").toPreserves
|
||||
result.transports = @[initRecord("unix", tx)]
|
||||
result.pathSteps = @[capabilities.mint().toPreserves]
|
||||
else:
|
||||
var pr = parsePreserves(text)
|
||||
if not result.fromPreserves(pr):
|
||||
raise newException(ValueError, "failed to parse $SYNDICATE_ROUTE " & $pr)
|
||||
|
||||
proc resolveEnvironment*(turn: Turn; bootProc: BootProc) =
|
||||
proc resolveEnvironment*(turn: var Turn; bootProc: BootProc) =
|
||||
## Resolve a capability from the calling environment
|
||||
## and call `bootProc`. See envRoute_.
|
||||
resolve(turn, envRoute(), bootProc)
|
||||
var resolved = false
|
||||
let
|
||||
ds = newDataspace(turn)
|
||||
pat = ResolvePath ?: {0: ?envRoute(), 3: ?:ResolvedAccepted}
|
||||
during(turn, ds, pat) do (dst: Cap):
|
||||
if not resolved:
|
||||
resolved = true
|
||||
bootProc(turn, dst)
|
||||
do:
|
||||
resolved = false
|
||||
spawnRelays(turn, ds)
|
||||
|
||||
# TODO: define a runActor that comes preloaded with relaying
|
||||
|
|
|
@ -3,35 +3,38 @@
|
|||
|
||||
## https://git.syndicate-lang.org/syndicate-lang/syndicate-rkt/src/commit/90c4c60699069b496491b81ee63b5a45ffd638cb/syndicate/HOWITWORKS.md
|
||||
|
||||
import
|
||||
std/[assertions, hashes, options, sets, tables],
|
||||
pkg/preserves,
|
||||
./actors, ./bags, ./patterns,
|
||||
./protocols/dataspacePatterns
|
||||
import std/[assertions, hashes, options, sets, tables]
|
||||
import preserves
|
||||
import ./actors, ./bags, ./patterns
|
||||
import ./protocols/dataspacePatterns
|
||||
|
||||
type
|
||||
DCompound = dataspacePatterns.DCompound
|
||||
Pattern = dataspacePatterns.Pattern
|
||||
Path = seq[Value]
|
||||
ClassKind = enum classNone, classRecord, classSequence, classDictionary
|
||||
Class = object
|
||||
kind: ClassKind
|
||||
label: Value
|
||||
arity: int
|
||||
|
||||
func classOf(v: Value): Class =
|
||||
case v.kind
|
||||
of pkRecord: Class(kind: classRecord, label: v.label)
|
||||
of pkSequence: Class(kind: classSequence)
|
||||
of pkRecord: Class(kind: classRecord, label: v.label, arity: v.arity)
|
||||
of pkSequence: Class(kind: classSequence, arity: v.len)
|
||||
of pkDictionary: Class(kind: classDictionary)
|
||||
else: Class(kind: classNone)
|
||||
|
||||
proc classOf(p: Pattern): Class =
|
||||
if p.orKind == PatternKind.group:
|
||||
case p.group.type.orKind
|
||||
of GroupTypeKind.rec:
|
||||
Class(kind: classRecord, label: p.group.`type`.rec.label)
|
||||
of GroupTypeKind.arr:
|
||||
Class(kind: classSequence)
|
||||
of GroupTypeKind.dict:
|
||||
if p.orKind == PatternKind.DCompound:
|
||||
case p.dcompound.orKind
|
||||
of DCompoundKind.rec:
|
||||
Class(kind: classRecord,
|
||||
label: p.dcompound.rec.label,
|
||||
arity: p.dcompound.rec.fields.len)
|
||||
of DCompoundKind.arr:
|
||||
Class(kind: classSequence, arity: p.dcompound.arr.items.len)
|
||||
of DCompoundKind.dict:
|
||||
Class(kind: classDictionary)
|
||||
else:
|
||||
Class(kind: classNone)
|
||||
|
@ -64,16 +67,15 @@ func isEmpty(cont: Continuation): bool =
|
|||
type
|
||||
ContinuationProc = proc (c: Continuation; v: Value) {.closure.}
|
||||
LeafProc = proc (l: Leaf; v: Value) {.closure.}
|
||||
ObserverProc = proc (turn: Turn; group: ObserverGroup; vs: seq[Value]) {.closure.}
|
||||
ObserverProc = proc (turn: var Turn; group: ObserverGroup; vs: seq[Value]) {.closure.}
|
||||
|
||||
proc getLeaves(cont: Continuation; presentPaths, constPaths: Paths): LeafMap =
|
||||
proc getLeaves(cont: Continuation; constPaths: Paths): LeafMap =
|
||||
result = cont.leafMap.getOrDefault(constPaths)
|
||||
if result.isNil:
|
||||
new result
|
||||
cont.leafMap[constPaths] = result
|
||||
assert not cont.isEmpty
|
||||
for ass in cont.cache:
|
||||
# TODO: check presence
|
||||
let key = projectPaths(ass, constPaths)
|
||||
if key.isSome:
|
||||
var leaf = result.getOrDefault(get key)
|
||||
|
@ -112,10 +114,10 @@ proc top(stack: TermStack): Value =
|
|||
assert stack.len > 0
|
||||
stack[stack.high]
|
||||
|
||||
proc modify(node: Node; turn: Turn; outerValue: Value; event: EventKind;
|
||||
proc modify(node: Node; turn: var Turn; outerValue: Value; event: EventKind;
|
||||
modCont: ContinuationProc; modLeaf: LeafProc; modObs: ObserverProc) =
|
||||
|
||||
proc walk(cont: Continuation; turn: Turn) =
|
||||
proc walk(cont: Continuation; turn: var Turn) =
|
||||
modCont(cont, outerValue)
|
||||
for constPaths, constValMap in cont.leafMap.pairs:
|
||||
let constVals = projectPaths(outerValue, constPaths)
|
||||
|
@ -140,7 +142,7 @@ proc modify(node: Node; turn: Turn; outerValue: Value; event: EventKind;
|
|||
constValMap.del(get constVals)
|
||||
|
||||
|
||||
proc walk(node: Node; turn: Turn; termStack: TermStack) =
|
||||
proc walk(node: Node; turn: var Turn; termStack: TermStack) =
|
||||
walk(node.continuation, turn)
|
||||
for selector, table in node.edges:
|
||||
let
|
||||
|
@ -163,13 +165,25 @@ proc getOrNew[A, B, C](t: var Table[A, TableRef[B, C]], k: A): TableRef[B, C] =
|
|||
result = newTable[B, C]()
|
||||
t[k] = result
|
||||
|
||||
iterator pairs(dc: DCompound): (Value, Pattern) =
|
||||
case dc.orKind
|
||||
of DCompoundKind.rec:
|
||||
for i, p in dc.rec.fields:
|
||||
yield (i.toPreserves, p,)
|
||||
of DCompoundKind.arr:
|
||||
for i, p in dc.arr.items:
|
||||
yield (i.toPreserves, p,)
|
||||
of DCompoundKind.dict:
|
||||
for pair in dc.dict.entries.pairs:
|
||||
yield pair
|
||||
|
||||
proc extendWalk(node: Node; popCount: Natural; stepIndex: Value; pat: Pattern; path: var Path): tuple[popCount: Natural, nextNode: Node] =
|
||||
case pat.orKind
|
||||
of PatternKind.`discard`, PatternKind.lit:
|
||||
of PatternKind.DDiscard, PatternKind.DLit:
|
||||
result = (popCount, node)
|
||||
of PatternKind.`bind`:
|
||||
result = extendWalk(node, popCount, stepIndex, pat.`bind`.pattern, path)
|
||||
of PatternKind.`group`:
|
||||
of PatternKind.DBind:
|
||||
result = extendWalk(node, popCount, stepIndex, pat.dbind.pattern, path)
|
||||
of PatternKind.DCompound:
|
||||
let
|
||||
selector: Selector = (popCount, stepIndex,)
|
||||
table = node.edges.getOrNew(selector)
|
||||
|
@ -184,7 +198,7 @@ proc extendWalk(node: Node; popCount: Natural; stepIndex: Value; pat: Pattern; p
|
|||
if v.isSome and class == classOf(get v):
|
||||
result.nextNode.continuation.cache.incl a
|
||||
result.popCount = 0
|
||||
for step, p in pat.group.entries:
|
||||
for step, p in pat.dcompound.pairs:
|
||||
add(path, step)
|
||||
result = extendWalk(result.nextNode, result.popCount, step, p, path)
|
||||
discard pop(path)
|
||||
|
@ -213,11 +227,11 @@ proc getEndpoints(leaf: Leaf; capturePaths: Paths): ObserverGroup =
|
|||
if captures.isSome:
|
||||
discard result.cachedCaptures.change(get captures, +1)
|
||||
|
||||
proc add*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
||||
proc add*(index: var Index; turn: var Turn; pattern: Pattern; observer: Cap) =
|
||||
let
|
||||
cont = index.root.extend(pattern)
|
||||
analysis = analyse pattern
|
||||
constValMap = cont.getLeaves(analysis.presentPaths, analysis.constPaths)
|
||||
constValMap = cont.getLeaves(analysis.constPaths)
|
||||
leaf = constValMap.getLeaf(analysis.constValues)
|
||||
endpoints = leaf.getEndpoints(analysis.capturePaths)
|
||||
# TODO if endpoints.cachedCaptures.len > 0:
|
||||
|
@ -226,7 +240,7 @@ proc add*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
|||
captureMap[capture] = publish(turn, observer, capture)
|
||||
endpoints.observers[observer] = captureMap
|
||||
|
||||
proc remove*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
||||
proc remove*(index: var Index; turn: var Turn; pattern: Pattern; observer: Cap) =
|
||||
let
|
||||
cont = index.root.extend(pattern)
|
||||
analysis = analyse pattern
|
||||
|
@ -246,7 +260,7 @@ proc remove*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
|||
if constValMap.len == 0:
|
||||
cont.leafMap.del(analysis.constPaths)
|
||||
|
||||
proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int): bool =
|
||||
proc adjustAssertion(index: var Index; turn: var Turn; outerValue: Value; delta: int): bool =
|
||||
case index.allAssertions.change(outerValue, delta)
|
||||
of cdAbsentToPresent:
|
||||
result = true
|
||||
|
@ -254,7 +268,7 @@ proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int
|
|||
c.cache.incl(v)
|
||||
proc modLeaf(l: Leaf; v: Value) =
|
||||
l.cache.incl(v)
|
||||
proc modObserver(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
proc modObserver(turn: var Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
let change = group.cachedCaptures.change(vs, +1)
|
||||
if change == cdAbsentToPresent:
|
||||
for (observer, captureMap) in group.observers.pairs:
|
||||
|
@ -267,7 +281,7 @@ proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int
|
|||
c.cache.excl(v)
|
||||
proc modLeaf(l: Leaf; v: Value) =
|
||||
l.cache.excl(v)
|
||||
proc modObserver(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
proc modObserver(turn: var Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
if group.cachedCaptures.change(vs, -1) == cdPresentToAbsent:
|
||||
for (observer, captureMap) in group.observers.pairs:
|
||||
var h: Handle
|
||||
|
@ -279,12 +293,12 @@ proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int
|
|||
proc continuationNoop(c: Continuation; v: Value) = discard
|
||||
proc leafNoop(l: Leaf; v: Value) = discard
|
||||
|
||||
proc add*(index: var Index; turn: Turn; v: Value): bool =
|
||||
proc add*(index: var Index; turn: var Turn; v: Value): bool =
|
||||
adjustAssertion(index, turn, v, +1)
|
||||
proc remove*(index: var Index; turn: Turn; v: Value): bool =
|
||||
proc remove*(index: var Index; turn: var Turn; v: Value): bool =
|
||||
adjustAssertion(index, turn, v, -1)
|
||||
|
||||
proc deliverMessage*(index: var Index; turn: Turn; v: Value) =
|
||||
proc observersCb(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
proc deliverMessage*(index: var Index; turn: var Turn; v: Value) =
|
||||
proc observersCb(turn: var Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
for observer in group.observers.keys: message(turn, observer, vs)
|
||||
index.root.modify(turn, v, messageEvent, continuationNoop, leafNoop, observersCb)
|
||||
|
|
|
@ -1,61 +1,12 @@
|
|||
# Emulate Nimble from CycloneDX data at sbom.json.
|
||||
# Package
|
||||
|
||||
import std/json
|
||||
version = "20240402"
|
||||
author = "Emery Hemingway"
|
||||
description = "Syndicated actors for conversational concurrency"
|
||||
license = "Unlicense"
|
||||
srcDir = "src"
|
||||
|
||||
proc lookupComponent(sbom: JsonNode; bomRef: string): JsonNode =
|
||||
for c in sbom{"components"}.getElems.items:
|
||||
if c{"bom-ref"}.getStr == bomRef:
|
||||
return c
|
||||
result = newJNull()
|
||||
|
||||
let
|
||||
sbom = (getPkgDir() & "/sbom.json").readFile.parseJson
|
||||
comp = sbom{"metadata", "component"}
|
||||
bomRef = comp{"bom-ref"}.getStr
|
||||
# Dependencies
|
||||
|
||||
version = comp{"version"}.getStr
|
||||
author = comp{"authors"}[0]{"name"}.getStr
|
||||
description = comp{"description"}.getStr
|
||||
license = comp{"licenses"}[0]{"license", "id"}.getStr
|
||||
|
||||
for prop in comp{"properties"}.getElems.items:
|
||||
let (key, val) = (prop{"name"}.getStr, prop{"value"}.getStr)
|
||||
case key
|
||||
of "nim:skipDirs:":
|
||||
add(skipDirs, val)
|
||||
of "nim:skipFiles:":
|
||||
add(skipFiles, val)
|
||||
of "nim:skipExt":
|
||||
add(skipExt, val)
|
||||
of "nim:installDirs":
|
||||
add(installDirs, val)
|
||||
of "nim:installFiles":
|
||||
add(installFiles, val)
|
||||
of "nim:installExt":
|
||||
add(installExt, val)
|
||||
of "nim:binDir":
|
||||
add(binDir, val)
|
||||
of "nim:srcDir":
|
||||
add(srcDir, val)
|
||||
of "nim:backend":
|
||||
add(backend, val)
|
||||
else:
|
||||
if key.startsWith "nim:bin:":
|
||||
namedBin[key[8..key.high]] = val
|
||||
|
||||
for depend in sbom{"dependencies"}.items:
|
||||
if depend{"ref"}.getStr == bomRef:
|
||||
for depRef in depend{"dependsOn"}.items:
|
||||
let dep = sbom.lookupComponent(depRef.getStr)
|
||||
var spec = dep{"name"}.getStr
|
||||
for extRef in dep{"externalReferences"}.elems:
|
||||
if extRef{"type"}.getStr == "vcs":
|
||||
spec = extRef{"url"}.getStr
|
||||
break
|
||||
let ver = dep{"version"}.getStr
|
||||
if ver != "":
|
||||
if ver.allCharsInSet {'0'..'9', '.'}: spec.add " == "
|
||||
else: spec.add '#'
|
||||
spec.add ver
|
||||
requires spec
|
||||
break
|
||||
requires "https://github.com/ehmry/hashlib.git >= 20231130", "nim >= 2.0.0", "https://git.syndicate-lang.org/ehmry/preserves-nim.git >= 20240312", "https://github.com/ehmry/nim-sys.git#4ef3b624db86e331ba334e705c1aa235d55b05e1", "https://git.sr.ht/~ehmry/nim_taps >= 20240402"
|
||||
|
|
|
@ -1,6 +1,4 @@
|
|||
include_rules
|
||||
: foreach *.prs |> !preserves-schema-nim |> | {schema}
|
||||
: foreach *.prs |> !preserves_schema_nim |> | {schema}
|
||||
: foreach t*.nim | ../../preserves-nim/<tests> {schema} $(SYNDICATE_PROTOCOL) |> !nim_run |> | ../<test>
|
||||
# : foreach solo5*.nim | ../../taps/<sources> ../../preserves-nim/<tests> {schema} $(SYNDICATE_PROTOCOL) |> !nim_solo5_spt |> | ../<test>
|
||||
|
||||
: | $(NIM_GROUPS) |> $(NIM) $(NIM_FLAGS) dump > %o |> nim.dump
|
||||
: foreach solo5*.nim | ../../taps/<sources> ../../preserves-nim/<tests> {schema} $(SYNDICATE_PROTOCOL) |> !nim_solo5_spt |> | ../<test>
|
||||
|
|
|
@ -1,40 +0,0 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/solo5,
|
||||
pkg/taps,
|
||||
pkg/preserves,
|
||||
syndicate, syndicate/relays
|
||||
|
||||
acquireDevices([("relay", netBasic)], netAcquireHook)
|
||||
|
||||
type Netif {.preservesRecord: "netif"} = object
|
||||
device, ipAddr: string
|
||||
|
||||
proc spawnNetifActor(turn: Turn; ds: Cap) =
|
||||
spawnActor(turn, "netif") do (turn: Turn):
|
||||
let facet = turn.facet
|
||||
onInterfaceUp do (device: string; ip: IpAddress):
|
||||
run(facet) do (turn: Turn):
|
||||
if not ip.isLinkLocal:
|
||||
discard publish(turn, ds, Netif(device: device, ipAddr: $ip))
|
||||
|
||||
runActor("relay-test") do (turn: Turn):
|
||||
let root = turn.facet
|
||||
onStop(turn) do (turn: Turn):
|
||||
quit()
|
||||
let ds = newDataspace(turn)
|
||||
spawnNetifActor(turn, ds)
|
||||
spawnRelays(turn, ds)
|
||||
var
|
||||
route: Route
|
||||
pr = parsePreserves $solo5_start_info.cmdline
|
||||
if route.fromPreserves pr:
|
||||
echo "parsed route ", route.toPreserves
|
||||
during(turn, ds, Netif?:{1: grab()}) do (ip: string):
|
||||
echo "Acquired address ", ip
|
||||
resolve(turn, ds, route) do (turn: Turn; ds: Cap):
|
||||
echo "route resolved!"
|
||||
echo "stopping root facet"
|
||||
stop(turn, root)
|
|
@ -1,3 +0,0 @@
|
|||
define:ipv6Enabled
|
||||
define:traceSyndicate
|
||||
import:"std/assertions"
|
|
@ -1,25 +0,0 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import std/times
|
||||
import solo5
|
||||
import syndicate, syndicate/drivers/timers
|
||||
|
||||
acquireDevices()
|
||||
|
||||
runActor("timer-test") do (turn: Turn):
|
||||
let timers = newDataspace(turn)
|
||||
spawnTimerDriver(turn, timers)
|
||||
|
||||
onPublish(turn, timers, ?LaterThan(seconds: 1356100000)):
|
||||
echo "now in 13th bʼakʼtun"
|
||||
|
||||
after(turn, timers, initDuration(seconds = 3)) do (turn: Turn):
|
||||
echo "third timer expired"
|
||||
stopActor(turn)
|
||||
|
||||
after(turn, timers, initDuration(seconds = 1)) do (turn: Turn):
|
||||
echo "first timer expired"
|
||||
|
||||
after(turn, timers, initDuration(seconds = 2)) do (turn: Turn):
|
||||
echo "second timer expired"
|
|
@ -1,2 +0,0 @@
|
|||
define:ipv6Enabled
|
||||
import:"std/assertions"
|
|
@ -2,10 +2,8 @@
|
|||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import std/[oserrors, parseopt, posix, strutils]
|
||||
import
|
||||
pkg/sys/[files, handles, ioqueue],
|
||||
pkg/preserves,
|
||||
syndicate, syndicate/relays
|
||||
import pkg/sys/[files, handles, ioqueue]
|
||||
import preserves, syndicate, syndicate/relays
|
||||
|
||||
type
|
||||
Present {.preservesRecord: "Present".} = object
|
||||
|
@ -16,7 +14,7 @@ type
|
|||
proc syncAndStop(facet: Facet; cap: Cap) =
|
||||
## Stop the actor responsible for `facet` after
|
||||
## synchronizing with `cap`.
|
||||
run(facet) do (turn: Turn):
|
||||
run(facet) do (turn: var Turn):
|
||||
sync(turn, cap, stopActor)
|
||||
|
||||
proc readStdin(facet: Facet; ds: Cap; username: string) {.asyncio.} =
|
||||
|
@ -39,11 +37,11 @@ proc readStdin(facet: Facet; ds: Cap; username: string) {.asyncio.} =
|
|||
return
|
||||
else:
|
||||
var msg = buf[][0..<n].strip
|
||||
proc send(turn: Turn) =
|
||||
proc send(turn: var Turn) =
|
||||
message(turn, ds, Says(who: username, what: msg))
|
||||
run(facet, send)
|
||||
|
||||
proc chat(turn: Turn; ds: Cap; username: string) =
|
||||
proc chat(turn: var Turn; ds: Cap; username: string) =
|
||||
during(turn, ds, ?:Present) do (who: string):
|
||||
echo who, " joined"
|
||||
do:
|
||||
|
@ -69,8 +67,8 @@ proc main =
|
|||
if username == "":
|
||||
stderr.writeLine "--user: unspecified"
|
||||
else:
|
||||
runActor("chat") do (turn: Turn):
|
||||
resolveEnvironment(turn) do (turn: Turn; ds: Cap):
|
||||
runActor("chat") do (turn: var Turn):
|
||||
resolveEnvironment(turn) do (turn: var Turn; ds: Cap):
|
||||
chat(turn, ds, username)
|
||||
|
||||
main()
|
||||
|
|
|
@ -1,85 +1,103 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/[options, tables, unittest],
|
||||
pkg/preserves, syndicate, syndicate/protocols/timer
|
||||
import std/[options, tables, unittest]
|
||||
|
||||
suite "example":
|
||||
var pat: Pattern
|
||||
check pat.fromPreserves parsePreserves"""
|
||||
<group <arr> {
|
||||
0: <lit 1>
|
||||
1: <bind <group <arr> {
|
||||
0: <bind <_>>
|
||||
1: <_>
|
||||
}>>
|
||||
2: <_>
|
||||
}>
|
||||
"""
|
||||
import preserves, syndicate, syndicate/protocols/gatekeeper
|
||||
|
||||
const A = "[1 2 3]"
|
||||
test A:
|
||||
let v = parsePreserves A
|
||||
check:
|
||||
not pat.matches(v)
|
||||
import ./test_schema
|
||||
|
||||
const B = "[1 [2 3] 4]"
|
||||
test B:
|
||||
test "patterns":
|
||||
let
|
||||
v = parsePreserves B
|
||||
c = parsePreserves "[[2 3] 2]"
|
||||
check pat.matches(v)
|
||||
check pat.capture(v).toPreserves == c
|
||||
pat = ?Observe(pattern: !Foo) ?? {0: grab()}
|
||||
text = """<rec Observe [<rec rec [<lit foo> <arr [<bind <_>> <_> <_>]>]> <_>]>"""
|
||||
check($pat == text)
|
||||
|
||||
const C = "[1 [2] 5]"
|
||||
test C:
|
||||
let v = parsePreserves C
|
||||
check:
|
||||
not pat.matches(v)
|
||||
|
||||
const D = "[1 [2 3 4] 5]"
|
||||
test D:
|
||||
let
|
||||
v = parsePreserves D
|
||||
c = parsePreserves "[[2 3 4] 2]"
|
||||
check pat.matches(v)
|
||||
check pat.capture(v).toPreserves == c
|
||||
worte = @["alles", "in", "ordnung"]
|
||||
observer = Observe(pattern: inject(?:Foo, { 0: ?worte })).toPreserves
|
||||
have = capture(pat, observer).toPreserves.unpackLiterals
|
||||
want = [worte.toPreserves].toPreserves
|
||||
check(have == want)
|
||||
|
||||
const E = "[1 [<x> <y>] []]"
|
||||
test E:
|
||||
type Obj {.preservesDictionary.} = object
|
||||
a, b, c: int
|
||||
|
||||
test "dictionaries":
|
||||
let pat = ?:Obj
|
||||
var source = initDictionary(Cap)
|
||||
source["b".toSymbol] = 2.toPreserves
|
||||
source["c".toSymbol] = 3.toPreserves
|
||||
source["a".toSymbol] = 1.toPreserves
|
||||
|
||||
let values = capture(pat, source)
|
||||
check values.len == 3
|
||||
check values[0] == 1.toPreserves
|
||||
check values[1] == 2.toPreserves
|
||||
check values[2] == 3.toPreserves
|
||||
|
||||
type
|
||||
File {.preservesDictionary.} = object
|
||||
name: string
|
||||
path: string
|
||||
size: BiggestInt
|
||||
`type`: string
|
||||
Files = Table[Symbol, File]
|
||||
Fields = Table[Symbol, string]
|
||||
|
||||
Request {.preservesRecord: "request".} = object
|
||||
seq: BiggestInt
|
||||
fields: Fields
|
||||
files: Files
|
||||
|
||||
test "literals":
|
||||
const txt = """<rec request [<lit 3> <dict {artists: <lit "kyyyyym"> date: <lit "2023-10-14"> notes: <lit "Lots of stuff"> title: <lit "Domes show">}> <dict {front-cover: <dict {name: <lit "ADULT_TIME_Glielmi.jpg"> path: <lit "/tmp/652adad1b3d2b666dcc8d857.jpg"> size: <lit 255614> type: <lit "image/jpeg">}>}>]>"""
|
||||
var pr = parsePreserves(txt)
|
||||
|
||||
var capture: Literal[Request]
|
||||
check capture.fromPreserves(pr)
|
||||
|
||||
suite "captures":
|
||||
for txt in [
|
||||
"#f",
|
||||
"#t",
|
||||
"0",
|
||||
"-1",
|
||||
"foo",
|
||||
"<foo>",
|
||||
"[0, 1, 2]",
|
||||
]:
|
||||
test txt:
|
||||
let
|
||||
v = parsePreserves E
|
||||
c = parsePreserves "[[<x> <y>] <x>]"
|
||||
check pat.matches(v)
|
||||
check pat.capture(v).toPreserves == c
|
||||
pr = parsePreserves txt
|
||||
pat = grab pr
|
||||
checkpoint $pat
|
||||
check pat.matches pr
|
||||
|
||||
suite "meta":
|
||||
suite "protocol":
|
||||
test "Observe":
|
||||
let pat = ?:Observe
|
||||
const text = """<rec Observe [<bind <_>> <bind <_>>]>"""
|
||||
check $pat == text
|
||||
|
||||
test "pattern-of-pattern":
|
||||
test "later-than":
|
||||
let
|
||||
pat = matchRecord("foo".toSymbol, matchDictionary({666.toPreserves: drop()}))
|
||||
meta = pat.toPreserves.drop()
|
||||
check $meta == "<group <rec group> {0: <group <rec rec> {0: <lit foo>}> 1: <group <dict> {0: <group <rec group> {0: <group <rec dict> {}> 1: <group <dict> {666: <_>}>}>}>}>"
|
||||
obsA = parsePreserves"""<Observe <rec later-than [<lit 1704113731.419243>]> #f>"""
|
||||
obsB = parsePreserves"""<Observe <rec Observe [<rec rec [<lit later-than> <arr [<rec lit [<bind <_>>]>]>]> <_>]> #f>"""
|
||||
patA = """<rec later-than [<lit 1704113731.419243>]>""".parsePreserves.preservesTo(Pattern).get
|
||||
patB = """<rec Observe [<rec rec [<lit later-than> <arr [<rec lit [<bind <_>>]>]>]> <_>]>""".parsePreserves.preservesTo(Pattern).get
|
||||
|
||||
test "observe":
|
||||
let
|
||||
val = Observe(pattern: LaterThan ?: {0: drop 12.24}).toPreserves
|
||||
pat = grab(val)
|
||||
check pat.matches(val)
|
||||
check pat.capture(val) == @[val]
|
||||
let
|
||||
meta = observePattern(!LaterThan, {@[0.toPreserves]: grabLit()})
|
||||
res = parsePreserves "[12.24]"
|
||||
check meta.matches(val)
|
||||
check meta.capture(val).toPreserves == res
|
||||
patC = grab obsA
|
||||
|
||||
test "connect-transport":
|
||||
let pat = parsePreserves"""
|
||||
<group <rec connect-transport> {0: <group <rec unix> {0: <lit "/run/user/1000/dataspace">}> 2: <group <rec accepted> {0: <bind <_>>}>}>
|
||||
""".preservesTo(Pattern).get
|
||||
let val = parsePreserves"""
|
||||
<connect-transport <unix "/run/user/1000/dataspace"> #:#f <accepted #:#f>>
|
||||
"""
|
||||
check pat.matches(val)
|
||||
check pat.capture(val).toPreserves == parsePreserves "[#:#f]"
|
||||
test $patC:
|
||||
check patC.matches obsA
|
||||
|
||||
test $patB:
|
||||
checkpoint $obsA
|
||||
check patB.matches obsA
|
||||
|
||||
test "TransportConnection":
|
||||
let
|
||||
pat = TransportConnection ?: { 2: ?:Rejected}
|
||||
text = """<rec connect-transport [<_> <_> <rec rejected [<bind <_>>]>]>"""
|
||||
check $pat == text
|
||||
|
|
|
@ -1,8 +1,8 @@
|
|||
import
|
||||
std/[streams, strutils, unittest],
|
||||
pkg/preserves,
|
||||
syndicate/relays,
|
||||
syndicate/protocols/sturdy
|
||||
import std/[streams, strutils, unittest]
|
||||
|
||||
import preserves
|
||||
import syndicate/relays
|
||||
import syndicate/protocols/sturdy
|
||||
|
||||
type WireRef = sturdy.WireRef
|
||||
|
||||
|
|
|
@ -1,34 +1,22 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import
|
||||
std/times,
|
||||
pkg/preserves,
|
||||
syndicate, syndicate/drivers/timers
|
||||
import std/times
|
||||
import syndicate, syndicate/actors/timers
|
||||
|
||||
var passCount = 0
|
||||
|
||||
runActor("timer-test") do (turn: Turn):
|
||||
runActor("timer-test") do (turn: var Turn):
|
||||
let timers = newDataspace(turn)
|
||||
spawnTimerDriver(turn, timers)
|
||||
spawnTimerActor(turn, timers)
|
||||
|
||||
onPublish(turn, timers, ?LaterThan(seconds: 1356100000)):
|
||||
echo "now in 13th bʼakʼtun"
|
||||
inc passCount
|
||||
|
||||
after(turn, timers, initDuration(seconds = 3)) do (turn: Turn):
|
||||
after(turn, timers, initDuration(seconds = 3)) do (turn: var Turn):
|
||||
echo "third timer expired"
|
||||
assert passCount == 3
|
||||
inc passCount
|
||||
stopActor(turn)
|
||||
|
||||
after(turn, timers, initDuration(seconds = 1)) do (turn: Turn):
|
||||
after(turn, timers, initDuration(seconds = 1)) do (turn: var Turn):
|
||||
echo "first timer expired"
|
||||
assert passCount == 1
|
||||
inc passCount
|
||||
|
||||
after(turn, timers, initDuration(seconds = 2)) do (turn: Turn):
|
||||
after(turn, timers, initDuration(seconds = 2)) do (turn: var Turn):
|
||||
echo "second timer expired"
|
||||
assert passCount == 2
|
||||
inc passCount
|
||||
|
||||
doAssert passCount == 4, $passCount
|
||||
|
|
Loading…
Reference in New Issue