Compare commits
4 Commits
50a77995bc
...
b2f680a215
| Author | SHA1 | Date |
|---|---|---|
 Emery Hemingway
|
b2f680a215 | |
|
Emery Hemingway
|
ff1e1e6231 | |
|
Emery Hemingway
|
d5d5717976 | |
|
Emery Hemingway
|
c519d909ab |
3
Tupfile
3
Tupfile
|
|
@ -1,2 +1,3 @@
|
|||
include_rules
|
||||
: lock.json |> !nim_cfg |> | ./<lock>
|
||||
: |> !nim_lk |> {lockfile}
|
||||
: {lockfile} |> !nim_cfg |> | ./<lock>
|
||||
|
|
|
|||
45
lock.json
45
lock.json
|
|
@ -6,12 +6,22 @@
|
|||
"bigints"
|
||||
],
|
||||
"path": "/nix/store/jvrm392g8adfsgf36prgwkbyd7vh5jsw-source",
|
||||
"ref": "20231006",
|
||||
"rev": "86ea14d31eea9275e1408ca34e6bfe9c99989a96",
|
||||
"sha256": "15pcpmnk1bnw3k8769rjzcpg00nahyrypwbxs88jnwr4aczp99j4",
|
||||
"srcDir": "src",
|
||||
"url": "https://github.com/ehmry/nim-bigints/archive/86ea14d31eea9275e1408ca34e6bfe9c99989a96.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"cps"
|
||||
],
|
||||
"path": "/nix/store/l7z889g1bcsmz9xpixpfg07ckpqxvhjc-source",
|
||||
"rev": "44ad3dcb1b7d1aab7043586fdce5717e8f6e79d9",
|
||||
"sha256": "14c6b3y714yl6rqp3y9r9qhaf44bw2ys21hpjqlkwgbh6gzp461w",
|
||||
"srcDir": "",
|
||||
"url": "https://github.com/nim-works/cps/archive/44ad3dcb1b7d1aab7043586fdce5717e8f6e79d9.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
|
|
@ -28,12 +38,11 @@
|
|||
"packages": [
|
||||
"nimcrypto"
|
||||
],
|
||||
"path": "/nix/store/zyr8zwh7vaiycn1s4r8cxwc71f2k5l0h-source",
|
||||
"ref": "traditional-api",
|
||||
"rev": "602c5d20c69c76137201b5d41f788f72afb95aa8",
|
||||
"sha256": "1dmdmgb6b9m5f8dyxk781nnd61dsk3hdxqks7idk9ncnpj9fng65",
|
||||
"path": "/nix/store/7b491gv9zlayilsh8k2gnyzw6znrh7xq-source",
|
||||
"rev": "70151aa132f3a771996117c23c1fcaa8446a6f35",
|
||||
"sha256": "1ldjz02p70wagqvk6vgcg16kjh7pkm1394qd1pcdmg8z39bm5ag3",
|
||||
"srcDir": "",
|
||||
"url": "https://github.com/cheatfate/nimcrypto/archive/602c5d20c69c76137201b5d41f788f72afb95aa8.tar.gz"
|
||||
"url": "https://github.com/cheatfate/nimcrypto/archive/70151aa132f3a771996117c23c1fcaa8446a6f35.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
|
|
@ -41,7 +50,6 @@
|
|||
"npeg"
|
||||
],
|
||||
"path": "/nix/store/ffkxmjmigfs7zhhiiqm0iw2c34smyciy-source",
|
||||
"ref": "1.2.1",
|
||||
"rev": "26d62fdc40feb84c6533956dc11d5ee9ea9b6c09",
|
||||
"sha256": "0xpzifjkfp49w76qmaylan8q181bs45anmp46l4bwr3lkrr7bpwh",
|
||||
"srcDir": "src",
|
||||
|
|
@ -53,11 +61,32 @@
|
|||
"preserves"
|
||||
],
|
||||
"path": "/nix/store/6nnn5di5vip1vladlb7z56rbw18d1y7j-source",
|
||||
"ref": "20240208",
|
||||
"rev": "2825bceecf33a15b9b7942db5331a32cbc39b281",
|
||||
"sha256": "145vf46fy3wc52j6vs509fm9bi5lx7c53gskbkpcfbkv82l86dgk",
|
||||
"srcDir": "src",
|
||||
"url": "https://git.syndicate-lang.org/ehmry/preserves-nim/archive/2825bceecf33a15b9b7942db5331a32cbc39b281.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"stew"
|
||||
],
|
||||
"path": "/nix/store/mqg8qzsbcc8xqabq2yzvlhvcyqypk72c-source",
|
||||
"rev": "3c91b8694e15137a81ec7db37c6c58194ec94a6a",
|
||||
"sha256": "17lfhfxp5nxvld78xa83p258y80ks5jb4n53152cdr57xk86y07w",
|
||||
"srcDir": "",
|
||||
"url": "https://github.com/status-im/nim-stew/archive/3c91b8694e15137a81ec7db37c6c58194ec94a6a.tar.gz"
|
||||
},
|
||||
{
|
||||
"method": "fetchzip",
|
||||
"packages": [
|
||||
"sys"
|
||||
],
|
||||
"path": "/nix/store/ayplzmq7xdzrp3n6ly6dnskf5c5aiihp-source",
|
||||
"rev": "3b86a5083a4aa178994fe4ffdc046d340aa13b32",
|
||||
"sha256": "0qz9hag7synp8sx2b6caazm2kidvd0lv2p0h98sslkyzaf4icnal",
|
||||
"srcDir": "src",
|
||||
"url": "https://github.com/alaviss/nim-sys/archive/3b86a5083a4aa178994fe4ffdc046d340aa13b32.tar.gz"
|
||||
}
|
||||
]
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||||
}
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||||
|
|
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|||
|
|
@ -3,12 +3,14 @@
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|||
|
||||
## This module implements the `Syndicate DSL <https://syndicate-lang.org/doc/syndicate/>`_.
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import std/[asyncdispatch, macros, tables, typetraits]
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import std/[macros, tables, typetraits]
|
||||
# import pkg/sys/ioqueue
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|
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import preserves
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export fromPreserves, toPreserves
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export preserves
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|
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import ./syndicate/[actors, dataspaces, durings, patterns]
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import ./syndicate/[actors, dataspaces, patterns]
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# durings
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import ./syndicate/protocols/dataspace
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|
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export actors, dataspace, dataspaces, patterns
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|
|
@ -34,21 +36,21 @@ proc `??`*(pat: Pattern; bindings: openArray[(int, Pattern)]): Pattern {.inline.
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patterns.inject(pat, bindings)
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|
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type
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PublishProc = proc (turn: var Turn; v: Value; h: Handle) {.closure, gcsafe.}
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RetractProc = proc (turn: var Turn; h: Handle) {.closure, gcsafe.}
|
||||
MessageProc = proc (turn: var Turn; v: Value) {.closure, gcsafe.}
|
||||
PublishProc = proc (turn: Turn; v: Value; h: Handle) {.closure.}
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||||
RetractProc = proc (turn: Turn; h: Handle) {.closure.}
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||||
MessageProc = proc (turn: Turn; v: Value) {.closure.}
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||||
ClosureEntity = ref object of Entity
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publishImpl: PublishProc
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retractImpl: RetractProc
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messageImpl: MessageProc
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||||
publishImpl*: PublishProc
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||||
retractImpl*: RetractProc
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||||
messageImpl*: MessageProc
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||||
|
||||
method publish(e: ClosureEntity; turn: var Turn; a: AssertionRef; h: Handle) {.gcsafe.} =
|
||||
method publish(e: ClosureEntity; turn: Turn; a: AssertionRef; h: Handle) =
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if not e.publishImpl.isNil: e.publishImpl(turn, a.value, h)
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||||
|
||||
method retract(e: ClosureEntity; turn: var Turn; h: Handle) {.gcsafe.} =
|
||||
method retract(e: ClosureEntity; turn: Turn; h: Handle) =
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||||
if not e.retractImpl.isNil: e.retractImpl(turn, h)
|
||||
|
||||
method message(e: ClosureEntity; turn: var Turn; a: AssertionRef) {.gcsafe.} =
|
||||
method message(e: ClosureEntity; turn: Turn; a: AssertionRef) =
|
||||
if not e.messageImpl.isNil: e.messageImpl(turn, a.value)
|
||||
|
||||
proc argumentCount(handler: NimNode): int =
|
||||
|
|
@ -85,7 +87,7 @@ proc generateHandlerNodes(handler: NimNode): HandlerNodes =
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|||
result.varSection = newNimNode(nnkVarSection, handler).
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add(newIdentDefs(result.valuesSym, valuesTuple))
|
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proc wrapPublishHandler(turn, handler: NimNode): NimNode =
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proc wrapPublishHandler(handler: NimNode): NimNode =
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||||
var
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||||
(valuesSym, varSection, publishBody) =
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||||
generateHandlerNodes(handler)
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||||
|
|
@ -93,24 +95,24 @@ proc wrapPublishHandler(turn, handler: NimNode): NimNode =
|
|||
handlerSym = genSym(nskProc, "publish")
|
||||
bindingsSym = ident"bindings"
|
||||
quote do:
|
||||
proc `handlerSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle) =
|
||||
proc `handlerSym`(turn: Turn; `bindingsSym`: Value; `handleSym`: Handle) =
|
||||
`varSection`
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||||
if fromPreserves(`valuesSym`, bindings):
|
||||
`publishBody`
|
||||
|
||||
proc wrapMessageHandler(turn, handler: NimNode): NimNode =
|
||||
proc wrapMessageHandler(handler: NimNode): NimNode =
|
||||
var
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||||
(valuesSym, varSection, body) =
|
||||
generateHandlerNodes(handler)
|
||||
handlerSym = genSym(nskProc, "message")
|
||||
bindingsSym = ident"bindings"
|
||||
quote do:
|
||||
proc `handlerSym`(`turn`: var Turn; `bindingsSym`: Value) =
|
||||
proc `handlerSym`(turn: Turn; `bindingsSym`: Value) =
|
||||
`varSection`
|
||||
if fromPreserves(`valuesSym`, bindings):
|
||||
`body`
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||||
|
||||
proc wrapDuringHandler(turn, entryBody, exitBody: NimNode): NimNode =
|
||||
proc wrapDuringHandler(entryBody, exitBody: NimNode): NimNode =
|
||||
var
|
||||
(valuesSym, varSection, publishBody) =
|
||||
generateHandlerNodes(entryBody)
|
||||
|
|
@ -119,45 +121,46 @@ proc wrapDuringHandler(turn, entryBody, exitBody: NimNode): NimNode =
|
|||
duringSym = genSym(nskProc, "during")
|
||||
if exitBody.isNil:
|
||||
quote do:
|
||||
proc `duringSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
|
||||
proc `duringSym`(turn: Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
|
||||
`varSection`
|
||||
if fromPreserves(`valuesSym`, `bindingsSym`):
|
||||
`publishBody`
|
||||
else:
|
||||
quote do:
|
||||
proc `duringSym`(`turn`: var Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
|
||||
proc `duringSym`(turn: Turn; `bindingsSym`: Value; `handleSym`: Handle): TurnAction =
|
||||
`varSection`
|
||||
if fromPreserves(`valuesSym`, `bindingsSym`):
|
||||
`publishBody`
|
||||
proc action(`turn`: var Turn) =
|
||||
proc action(turn: Turn) =
|
||||
`exitBody`
|
||||
result = action
|
||||
|
||||
macro onPublish*(turn: untyped; ds: Cap; pattern: Pattern; handler: untyped) =
|
||||
#[
|
||||
macro onPublish*(ds: Cap; pattern: Pattern; handler: untyped) =
|
||||
## Call `handler` when an assertion matching `pattern` is published at `ds`.
|
||||
let
|
||||
argCount = argumentCount(handler)
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||||
handlerProc = wrapPublishHandler(turn, handler)
|
||||
handlerProc = wrapPublishHandler(handler)
|
||||
handlerSym = handlerProc[0]
|
||||
result = quote do:
|
||||
if `argCount` != 0 and `pattern`.analyse.capturePaths.len != `argCount`:
|
||||
raiseAssert($`pattern`.analyse.capturePaths.len & " values captured but handler has " & $`argCount` & " arguments - " & $`pattern`)
|
||||
`handlerProc`
|
||||
discard observe(`turn`, `ds`, `pattern`, ClosureEntity(publishImpl: `handlerSym`))
|
||||
discard observe(activeTurn(), `ds`, `pattern`, ClosureEntity(publishImpl: `handlerSym`))
|
||||
|
||||
macro onMessage*(turn: untyped; ds: Cap; pattern: Pattern; handler: untyped) =
|
||||
macro onMessage*(ds: Cap; pattern: Pattern; handler: untyped) =
|
||||
## Call `handler` when an message matching `pattern` is broadcasted at `ds`.
|
||||
let
|
||||
argCount = argumentCount(handler)
|
||||
handlerProc = wrapMessageHandler(turn, handler)
|
||||
handlerProc = wrapMessageHandler(handler)
|
||||
handlerSym = handlerProc[0]
|
||||
result = quote do:
|
||||
if `argCount` != 0 and `pattern`.analyse.capturePaths.len != `argCount`:
|
||||
raiseAssert($`pattern`.analyse.capturePaths.len & " values captured but handler has " & $`argCount` & " arguments - " & $`pattern`)
|
||||
`handlerProc`
|
||||
discard observe(`turn`, `ds`, `pattern`, ClosureEntity(messageImpl: `handlerSym`))
|
||||
discard observe(activeTurn(), `ds`, `pattern`, ClosureEntity(messageImpl: `handlerSym`))
|
||||
|
||||
macro during*(turn: untyped; ds: Cap; pattern: Pattern; publishBody, retractBody: untyped) =
|
||||
macro during*(ds: Cap; pattern: Pattern; publishBody, retractBody: untyped) =
|
||||
## Call `publishBody` when an assertion matching `pattern` is published to `ds` and
|
||||
## call `retractBody` on retraction. Assertions that match `pattern` but are not
|
||||
## convertable to the arguments of `publishBody` are silently discarded.
|
||||
|
|
@ -167,36 +170,39 @@ macro during*(turn: untyped; ds: Cap; pattern: Pattern; publishBody, retractBody
|
|||
## - `duringHandle` - dataspace handle of the assertion that triggered `publishBody`
|
||||
let
|
||||
argCount = argumentCount(publishBody)
|
||||
callbackProc = wrapDuringHandler(turn, publishBody, retractBody)
|
||||
callbackProc = wrapDuringHandler(publishBody, retractBody)
|
||||
callbackSym = callbackProc[0]
|
||||
result = quote do:
|
||||
if `argCount` != 0 and `pattern`.analyse.capturePaths.len != `argCount`:
|
||||
raiseAssert($`pattern`.analyse.capturePaths.len & " values captured but handler has " & $`argCount` & " arguments - " & $`pattern`)
|
||||
`callbackProc`
|
||||
discard observe(`turn`, `ds`, `pattern`, during(`callbackSym`))
|
||||
discard observe(activeTurn(), `ds`, `pattern`, during(`callbackSym`))
|
||||
|
||||
macro during*(turn: untyped; ds: Cap; pattern: Pattern; publishBody: untyped) =
|
||||
macro during*(ds: Cap; pattern: Pattern; publishBody: untyped) =
|
||||
## Variant of `during` without a retract body.
|
||||
let
|
||||
`argCount` = argumentCount(publishBody)
|
||||
callbackProc = wrapDuringHandler(turn, publishBody, nil)
|
||||
callbackProc = wrapDuringHandler(publishBody, nil)
|
||||
callbackSym = callbackProc[0]
|
||||
result = quote do:
|
||||
if `argCount` != 0 and `pattern`.analyse.capturePaths.len != `argCount`:
|
||||
raiseAssert($`pattern`.analyse.capturePaths.len & " values captured but handler has " & $`argCount` & " arguments - " & $`pattern`)
|
||||
`callbackProc`
|
||||
discard observe(`turn`, `ds`, `pattern`, during(`callbackSym`))
|
||||
discard observe(activeTurn(), `ds`, `pattern`, during(`callbackSym`))
|
||||
]#
|
||||
|
||||
type BootProc = proc (turn: var Turn; ds: Cap) {.gcsafe.}
|
||||
type DeprecatedBootProc = proc (ds: Cap; turn: var Turn) {.gcsafe.}
|
||||
type BootProc = proc (ds: Cap)
|
||||
|
||||
#[
|
||||
proc runActor*(name: string; bootProc: BootProc) =
|
||||
## Run an `Actor` to completion.
|
||||
let actor = newActor(name)
|
||||
let actor = bootDataspace(name, bootProc)
|
||||
while actor.running:
|
||||
waitFor sleepAsync(500)
|
||||
ioqueue.run()
|
||||
|
||||
proc runActor*(name: string; bootProc: DeprecatedBootProc) {.deprecated.} =
|
||||
## Run an `Actor` to completion.
|
||||
runActor(name) do (turn: var Turn, ds: Cap):
|
||||
runActor(name) do (turn: Turn, ds: Cap):
|
||||
bootProc(ds, turn)
|
||||
]#
|
||||
|
|
|
|||
|
|
@ -1,611 +1,315 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import std/[asyncfutures, hashes, monotimes, options, sets, tables, times]
|
||||
import std/[deques, hashes, options, times]
|
||||
import pkg/cps
|
||||
import preserves
|
||||
import ../syndicate/protocols/[protocol, sturdy]
|
||||
|
||||
const tracing = defined(traceSyndicate)
|
||||
# const traceSyndicate {.booldefine.}: bool = true
|
||||
const traceSyndicate* = true
|
||||
|
||||
when tracing:
|
||||
when traceSyndicate:
|
||||
import std/streams
|
||||
from std/os import getEnv
|
||||
import ./protocols/trace
|
||||
|
||||
export Handle
|
||||
|
||||
template generateIdType(typ: untyped) =
|
||||
type typ* = distinct Natural
|
||||
proc `==`*(x, y: typ): bool {.borrow.}
|
||||
proc `$`*(id: typ): string {.borrow.}
|
||||
|
||||
generateIdType(ActorId)
|
||||
generateIdType(FacetId)
|
||||
generateIdType(EndpointId)
|
||||
generateIdType(FieldId)
|
||||
generateIdType(TurnId)
|
||||
export protocol.Handle
|
||||
|
||||
type
|
||||
Oid = sturdy.Oid
|
||||
Caveat = sturdy.Caveat
|
||||
Attenuation = seq[Caveat]
|
||||
Rewrite = sturdy.Rewrite
|
||||
Actor* = ref object
|
||||
## https://synit.org/book/glossary.html#actor
|
||||
root: Facet
|
||||
handleAllocator: Handle
|
||||
id: ActorId
|
||||
when traceSyndicate:
|
||||
traceStream: FileStream
|
||||
stopped: bool
|
||||
|
||||
Facet* = ref object
|
||||
## https://synit.org/book/glossary.html#facet
|
||||
actor: Actor
|
||||
parent: Facet
|
||||
stopHandlers: Work
|
||||
state: FacetState
|
||||
when traceSyndicate:
|
||||
id: FacetId
|
||||
|
||||
FacetState = enum fIdle, fRunning, fStopped
|
||||
|
||||
Entity* = ref object of RootObj
|
||||
## https://synit.org/book/glossary.html#entity
|
||||
facet*: Facet
|
||||
oid*: sturdy.Oid # oid is how Entities are identified over the wire
|
||||
when traceSyndicate:
|
||||
id: FacetId
|
||||
|
||||
Cap* {.final, preservesEmbedded.} = ref object of EmbeddedObj
|
||||
relay*: Facet
|
||||
target*: Entity
|
||||
attenuation*: seq[sturdy.Caveat]
|
||||
|
||||
Turn* = ref object
|
||||
## https://synit.org/book/glossary.html#turn
|
||||
facet: Facet
|
||||
entity: Entity
|
||||
event: Option[protocol.Event]
|
||||
work: Work
|
||||
when traceSyndicate:
|
||||
desc: TurnDescription
|
||||
|
||||
Work = Deque[Cont]
|
||||
|
||||
Cont* = ref object of Continuation
|
||||
turn: Turn
|
||||
|
||||
using
|
||||
actor: Actor
|
||||
facet: Facet
|
||||
entity: Entity
|
||||
cap: Cap
|
||||
turn: Turn
|
||||
|
||||
proc hash*(facet): Hash = facet.unsafeAddr.hash
|
||||
proc hash*(cap): Hash = cap.unsafeAddr.hash
|
||||
|
||||
proc newFacet(actor: Actor; parent: Facet): Facet =
|
||||
result = Facet(
|
||||
actor: actor,
|
||||
parent: parent,
|
||||
)
|
||||
when traceSyndicate:
|
||||
if not parent.isNil:
|
||||
result.id = parent.id
|
||||
inc(result.id.register)
|
||||
|
||||
proc newActor(name: string): Actor =
|
||||
result = Actor(id: name.toPreserves)
|
||||
result.root = newFacet(result, nil)
|
||||
when traceSyndicate:
|
||||
let path = getEnv("SYNDICATE_TRACE_FILE", "")
|
||||
case path
|
||||
of "": discard
|
||||
of "-": result.traceStream = newFileStream(stderr)
|
||||
else: result.traceStream = openFileStream(path, fmWrite)
|
||||
|
||||
when traceSyndicate:
|
||||
proc trace(actor; act: ActorActivation) =
|
||||
if not actor.traceStream.isNil:
|
||||
var entry = TraceEntry(
|
||||
timestamp: getTime().toUnixFloat(),
|
||||
actor: actor.id,
|
||||
item: act,
|
||||
)
|
||||
actor.traceStream.writeLine($entry.toPreserves)
|
||||
|
||||
proc trace(actor; turn) =
|
||||
if not actor.traceStream.isNil:
|
||||
actor.trace(ActorActivation(
|
||||
orKind: ActorActivationKind.turn,
|
||||
turn: turn.desc,
|
||||
))
|
||||
|
||||
proc traceTarget(cap): trace.Target =
|
||||
let facet = cap.relay
|
||||
Target(
|
||||
actor: facet.actor.id,
|
||||
facet: facet.id,
|
||||
oid: cap.target.oid.toPreserves,
|
||||
)
|
||||
|
||||
proc traceTarget(turn): trace.Target =
|
||||
let facet = turn.facet
|
||||
Target(
|
||||
actor: facet.actor.id,
|
||||
facet: facet.id,
|
||||
)
|
||||
|
||||
proc newExternalTurn(facet): Turn =
|
||||
result = Turn(
|
||||
facet: facet,
|
||||
)
|
||||
when traceSyndicate:
|
||||
result.desc = TurnDescription(cause: TurnCause(orKind: TurnCauseKind.external))
|
||||
|
||||
proc pass*(a, b: Cont): Cont =
|
||||
b.turn = move a.turn
|
||||
b
|
||||
|
||||
proc queue(t: Turn; c: Cont) =
|
||||
c.turn = t
|
||||
t.work.addLast(c)
|
||||
|
||||
proc queue(c: Cont): Cont {.cpsMagic.} =
|
||||
queue(c.turn, c)
|
||||
nil
|
||||
|
||||
proc run(facet; work: var Work) =
|
||||
while work.len > 0:
|
||||
var c = work.popFirst()
|
||||
let t = c.turn
|
||||
try:
|
||||
while not c.isNil and not c.fn.isNil:
|
||||
c.turn = t
|
||||
var y = c.fn
|
||||
var x = y(c)
|
||||
c = Cont(x)
|
||||
except CatchableError as err:
|
||||
if not c.dismissed:
|
||||
writeStackFrames c
|
||||
# terminate(facet, err)
|
||||
|
||||
proc run(turn) =
|
||||
let
|
||||
facet = turn.facet
|
||||
actor = facet.actor
|
||||
assert not actor.stopped
|
||||
run(facet, turn.work)
|
||||
when traceSyndicate:
|
||||
actor.trace(turn)
|
||||
if actor.stopped:
|
||||
trace(actor, ActorActivation(orkind: ActorActivationKind.stop))
|
||||
|
||||
proc start(actor; cont: Cont) =
|
||||
when traceSyndicate:
|
||||
var act = ActorActivation(orkind: ActorActivationKind.start)
|
||||
trace(actor, act)
|
||||
let turn = actor.root.newExternalTurn()
|
||||
turn.queue(cont)
|
||||
run(turn)
|
||||
|
||||
proc stop(turn; actor)
|
||||
|
||||
proc collectPath(result: var seq[FacetId]; facet) =
|
||||
if not facet.parent.isNil:
|
||||
collectPath(result, facet.parent)
|
||||
result.add(facet.id)
|
||||
|
||||
proc stop(turn; facet; reason: FacetStopReason) =
|
||||
run(facet, facet.stopHandlers)
|
||||
when traceSyndicate:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.facetstop)
|
||||
collectPath(act.facetstop.path, facet)
|
||||
act.facetStop.reason = reason
|
||||
turn.desc.actions.add act
|
||||
if facet.parent.isNil:
|
||||
facet.actor.root = nil
|
||||
stop(turn, facet.actor)
|
||||
|
||||
proc stop(turn; actor) =
|
||||
if not actor.root.isNil:
|
||||
stop(turn, actor.root, FacetStopReason.actorStopping)
|
||||
actor.stopped = true
|
||||
|
||||
proc bootActor*(name: string, c: Cont) =
|
||||
start(newActor(name), c)
|
||||
|
||||
template syndicate*(prc: typed): untyped =
|
||||
cps(Cont, prc)
|
||||
|
||||
proc activeTurn*(c: Cont): Turn {.cpsVoodoo.} =
|
||||
## Return the active `Turn` within a `{.syndicate.}` context.
|
||||
assert not c.turn.isNil
|
||||
c.turn
|
||||
|
||||
proc activeFacet*(c: Cont): Facet {.cpsVoodoo.} =
|
||||
## Return the active `Facet` within a `{.syndicate.}` context.
|
||||
assert not c.turn.isNil
|
||||
c.turn.facet
|
||||
|
||||
proc activeActor*(c: Cont): Actor {.cpsVoodoo.} =
|
||||
## Return the active `Actor` within a `{.syndicate.}` context.
|
||||
assert not c.turn.isNil
|
||||
c.turn.facet.actor
|
||||
|
||||
proc stopActor(c: Cont; a: Actor): Cont {.cpsMagic.} =
|
||||
stop(c.turn, a)
|
||||
nil
|
||||
|
||||
proc stopFacet(c: Cont; f: Facet): Cont {.cpsMagic.} =
|
||||
stop(c.turn, f, FacetStopReason.explicitAction)
|
||||
nil
|
||||
|
||||
proc stopFacet*() {.syndicate.} =
|
||||
queue()
|
||||
stop(activeTurn(), activeFacet(), FacetStopReason.explicitAction)
|
||||
|
||||
proc stopActor*() {.syndicate.} =
|
||||
queue()
|
||||
stop(activeTurn(), activeActor())
|
||||
|
||||
type
|
||||
AssertionRef* = ref object
|
||||
value*: Value
|
||||
# if the Enity methods take a Value object then the generated
|
||||
# C code has "redefinition of struct" problems when orc is enabled
|
||||
|
||||
Entity* = ref object of RootObj
|
||||
oid*: Oid # oid is how Entities are identified over the wire
|
||||
method publish*(e: Entity; turn: Turn; v: AssertionRef; h: Handle) {.base.} = discard
|
||||
method retract*(e: Entity; turn: Turn; h: Handle) {.base.} = discard
|
||||
method message*(e: Entity; turn: Turn; v: AssertionRef) {.base.} = discard
|
||||
method sync*(e: Entity; turn: Turn; peer: Cap) {.base.} = discard
|
||||
|
||||
Cap* {.preservesEmbedded.} = ref object of EmbeddedObj
|
||||
relay*: Facet
|
||||
target*: Entity
|
||||
attenuation*: Attenuation
|
||||
|
||||
Ref* {.deprecated: "Ref was renamed to Cap".} = Cap
|
||||
|
||||
OutboundAssertion = ref object
|
||||
handle: Handle
|
||||
peer: Cap
|
||||
established: bool
|
||||
OutboundTable = Table[Handle, OutboundAssertion]
|
||||
|
||||
Actor* = ref object
|
||||
name: string
|
||||
handleAllocator: ref Handle
|
||||
# a fresh actor gets a new ref Handle and
|
||||
# all actors spawned from it get the same ref.
|
||||
root: Facet
|
||||
exitReason: ref Exception
|
||||
exitHooks: seq[TurnAction]
|
||||
id: ActorId
|
||||
exiting, exited: bool
|
||||
when tracing:
|
||||
turnIdAllocator: ref TurnId
|
||||
traceStream: FileStream
|
||||
|
||||
TurnAction* = proc (t: var Turn) {.gcsafe.}
|
||||
|
||||
Queues = TableRef[Facet, seq[TurnAction]]
|
||||
|
||||
Turn* = object # an object that should remain on the stack
|
||||
facet: Facet
|
||||
queues: Queues # a ref object that can outlive Turn
|
||||
when tracing:
|
||||
desc: TurnDescription
|
||||
|
||||
Facet* = ref FacetObj
|
||||
FacetObj = object
|
||||
actor*: Actor
|
||||
parent: Facet
|
||||
children: HashSet[Facet]
|
||||
outbound: OutboundTable
|
||||
shutdownActions: seq[TurnAction]
|
||||
inertCheckPreventers: int
|
||||
id: FacetId
|
||||
isAlive: bool
|
||||
|
||||
when tracing:
|
||||
|
||||
proc nextTurnId(facet: Facet): TurnId =
|
||||
result = succ(facet.actor.turnIdAllocator[])
|
||||
facet.actor.turnIdAllocator[] = result
|
||||
|
||||
proc trace(actor: Actor; act: ActorActivation) =
|
||||
if not actor.traceStream.isNil:
|
||||
var entry = TraceEntry(
|
||||
timestamp: getTime().toUnixFloat(),
|
||||
actor: initRecord("named", actor.name.toPreserves),
|
||||
item: act)
|
||||
actor.traceStream.writeText entry.toPreserves
|
||||
actor.traceStream.writeLine()
|
||||
|
||||
proc path(facet: Facet): seq[trace.FacetId] =
|
||||
var f = facet
|
||||
while not f.isNil:
|
||||
result.add f.id.toPreserves
|
||||
f = f.parent
|
||||
|
||||
method publish*(e: Entity; turn: var Turn; v: AssertionRef; h: Handle) {.base, gcsafe.} = discard
|
||||
method retract*(e: Entity; turn: var Turn; h: Handle) {.base, gcsafe.} = discard
|
||||
method message*(e: Entity; turn: var Turn; v: AssertionRef) {.base, gcsafe.} = discard
|
||||
method sync*(e: Entity; turn: var Turn; peer: Cap) {.base, gcsafe.} = discard
|
||||
|
||||
using
|
||||
actor: Actor
|
||||
facet: Facet
|
||||
turn: var Turn
|
||||
action: TurnAction
|
||||
|
||||
proc labels(f: Facet): string =
|
||||
proc catLabels(f: Facet; labels: var string) =
|
||||
labels.add ':'
|
||||
if not f.parent.isNil:
|
||||
catLabels(f.parent, labels)
|
||||
labels.add ':'
|
||||
when tracing:
|
||||
labels.add $f.id
|
||||
result.add f.actor.name
|
||||
catLabels(f, result)
|
||||
|
||||
proc `$`*(f: Facet): string =
|
||||
"<Facet:" & f.labels & ">"
|
||||
|
||||
proc `$`*(r: Cap): string =
|
||||
"<Ref:" & r.relay.labels & ">"
|
||||
|
||||
proc `$`*(actor: Actor): string =
|
||||
"<Actor:" & actor.name & ">" # TODO: ambigous
|
||||
|
||||
proc attenuate(r: Cap; a: Attenuation): Cap =
|
||||
if a.len == 0: result = r
|
||||
else: result = Cap(
|
||||
relay: r.relay,
|
||||
target: r.target,
|
||||
attenuation: a & r.attenuation)
|
||||
|
||||
proc hash*(facet): Hash =
|
||||
facet.id.hash
|
||||
|
||||
proc hash*(r: Cap): Hash = !$(r.relay.hash !& r.target.unsafeAddr.hash)
|
||||
proc newCap*(f: Facet; e: Entity): Cap =
|
||||
Cap(relay: f, target: e)
|
||||
|
||||
proc nextHandle(facet: Facet): Handle =
|
||||
result = succ(facet.actor.handleAllocator[])
|
||||
facet.actor.handleAllocator[] = result
|
||||
inc(facet.actor.handleAllocator)
|
||||
facet.actor.handleAllocator
|
||||
|
||||
proc facet*(turn: var Turn): Facet = turn.facet
|
||||
|
||||
proc enqueue(turn: var Turn; target: Facet; action: TurnAction) =
|
||||
if target in turn.queues:
|
||||
turn.queues[target].add action
|
||||
else:
|
||||
turn.queues[target] = @[action]
|
||||
|
||||
type Bindings = Table[Value, Value]
|
||||
|
||||
proc match(bindings: var Bindings; p: Pattern; v: Value): bool =
|
||||
case p.orKind
|
||||
of PatternKind.Pdiscard: result = true
|
||||
of PatternKind.Patom:
|
||||
result = case p.patom
|
||||
of PAtom.Boolean: v.isBoolean
|
||||
of PAtom.Double: v.isDouble
|
||||
of PAtom.Signedinteger: v.isInteger
|
||||
of PAtom.String: v.isString
|
||||
of PAtom.Bytestring: v.isByteString
|
||||
of PAtom.Symbol: v.isSymbol
|
||||
of PatternKind.Pembedded:
|
||||
result = v.isEmbedded
|
||||
of PatternKind.Pbind:
|
||||
if match(bindings, p.pbind.pattern, v):
|
||||
bindings[p.pbind.pattern.toPreserves] = v
|
||||
result = true
|
||||
of PatternKind.Pand:
|
||||
for pp in p.pand.patterns:
|
||||
result = match(bindings, pp, v)
|
||||
if not result: break
|
||||
of PatternKind.Pnot:
|
||||
var b: Bindings
|
||||
result = not match(b, p.pnot.pattern, v)
|
||||
of PatternKind.Lit:
|
||||
result = p.lit.value == v
|
||||
of PatternKind.PCompound:
|
||||
case p.pcompound.orKind
|
||||
of PCompoundKind.rec:
|
||||
if v.isRecord and
|
||||
p.pcompound.rec.label == v.label and
|
||||
p.pcompound.rec.fields.len == v.arity:
|
||||
result = true
|
||||
for i, pp in p.pcompound.rec.fields:
|
||||
if not match(bindings, pp, v[i]):
|
||||
result = false
|
||||
break
|
||||
of PCompoundKind.arr:
|
||||
if v.isSequence and p.pcompound.arr.items.len == v.sequence.len:
|
||||
result = true
|
||||
for i, pp in p.pcompound.arr.items:
|
||||
if not match(bindings, pp, v[i]):
|
||||
result = false
|
||||
break
|
||||
of PCompoundKind.dict:
|
||||
if v.isDictionary:
|
||||
result = true
|
||||
for key, pp in p.pcompound.dict.entries:
|
||||
let vv = step(v, key)
|
||||
if vv.isNone or not match(bindings, pp, get vv):
|
||||
result = true
|
||||
break
|
||||
|
||||
proc match(p: Pattern; v: Value): Option[Bindings] =
|
||||
var b: Bindings
|
||||
if match(b, p, v):
|
||||
result = some b
|
||||
|
||||
proc instantiate(t: Template; bindings: Bindings): Value =
|
||||
case t.orKind
|
||||
of TemplateKind.Tattenuate:
|
||||
let v = instantiate(t.tattenuate.template, bindings)
|
||||
let cap = v.unembed(Cap)
|
||||
if cap.isNone:
|
||||
raise newException(ValueError, "Attempt to attenuate non-capability")
|
||||
result = attenuate(get cap, t.tattenuate.attenuation).embed
|
||||
of TemplateKind.TRef:
|
||||
let n = $t.tref.binding.int
|
||||
try: result = bindings[n.toPreserves]
|
||||
except KeyError:
|
||||
raise newException(ValueError, "unbound reference: " & n)
|
||||
of TemplateKind.Lit:
|
||||
result = t.lit.value
|
||||
of TemplateKind.Tcompound:
|
||||
case t.tcompound.orKind
|
||||
of TCompoundKind.rec:
|
||||
result = initRecord(t.tcompound.rec.label, t.tcompound.rec.fields.len)
|
||||
for i, tt in t.tcompound.rec.fields:
|
||||
result[i] = instantiate(tt, bindings)
|
||||
of TCompoundKind.arr:
|
||||
result = initSequence(t.tcompound.arr.items.len)
|
||||
for i, tt in t.tcompound.arr.items:
|
||||
result[i] = instantiate(tt, bindings)
|
||||
of TCompoundKind.dict:
|
||||
result = initDictionary()
|
||||
for key, tt in t.tcompound.dict.entries:
|
||||
result[key] = instantiate(tt, bindings)
|
||||
|
||||
proc rewrite(r: Rewrite; v: Value): Value =
|
||||
let bindings = match(r.pattern, v)
|
||||
if bindings.isSome:
|
||||
result = instantiate(r.template, get bindings)
|
||||
|
||||
proc examineAlternatives(cav: Caveat; v: Value): Value =
|
||||
case cav.orKind
|
||||
of CaveatKind.Rewrite:
|
||||
result = rewrite(cav.rewrite, v)
|
||||
of CaveatKind.Alts:
|
||||
for r in cav.alts.alternatives:
|
||||
result = rewrite(r, v)
|
||||
if not result.isFalse: break
|
||||
of CaveatKind.Reject: discard
|
||||
of CaveatKind.unknown: discard
|
||||
|
||||
proc runRewrites*(a: Attenuation; v: Value): Value =
|
||||
result = v
|
||||
for stage in a:
|
||||
result = examineAlternatives(stage, result)
|
||||
if result.isFalse: break
|
||||
|
||||
proc publish(turn: var Turn; r: Cap; v: Value; h: Handle) =
|
||||
var a = runRewrites(r.attenuation, v)
|
||||
if not a.isFalse:
|
||||
let e = OutboundAssertion(
|
||||
handle: h, peer: r, established: false)
|
||||
turn.facet.outbound[h] = e
|
||||
enqueue(turn, r.relay) do (turn: var Turn):
|
||||
e.established = true
|
||||
publish(r.target, turn, AssertionRef(value: a), e.handle)
|
||||
when tracing:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.enqueue)
|
||||
act.enqueue.event.target.actor = turn.facet.actor.id.toPreserves
|
||||
act.enqueue.event.target.facet = turn.facet.id.toPreserves
|
||||
act.enqueue.event.target.oid = r.target.oid.toPreserves
|
||||
act.enqueue.event.detail = trace.TurnEvent(orKind: TurnEventKind.assert)
|
||||
act.enqueue.event.detail.assert.assertion.value.value =
|
||||
mapEmbeds(v) do (cap: Value) -> Value: discard
|
||||
act.enqueue.event.detail.assert.handle = h
|
||||
turn.desc.actions.add act
|
||||
|
||||
proc publish*(turn: var Turn; r: Cap; a: Value): Handle {.discardable.} =
|
||||
proc publish*(turn: Turn; cap: Cap; val: Value): Handle =
|
||||
result = turn.facet.nextHandle()
|
||||
publish(turn, r, a, result)
|
||||
|
||||
proc publish*[T](turn: var Turn; r: Cap; a: T): Handle {.discardable.} =
|
||||
publish(turn, r, a.toPreserves)
|
||||
|
||||
proc retract(turn: var Turn; e: OutboundAssertion) =
|
||||
enqueue(turn, e.peer.relay) do (turn: var Turn):
|
||||
if e.established:
|
||||
e.established = false
|
||||
e.peer.target.retract(turn, e.handle)
|
||||
|
||||
proc retract*(turn: var Turn; h: Handle) =
|
||||
var e: OutboundAssertion
|
||||
if turn.facet.outbound.pop(h, e):
|
||||
turn.retract(e)
|
||||
|
||||
proc message*(turn: var Turn; r: Cap; v: Value) =
|
||||
var a = runRewrites(r.attenuation, v)
|
||||
if not a.isFalse:
|
||||
enqueue(turn, r.relay) do (turn: var Turn):
|
||||
r.target.message(turn, AssertionRef(value: a))
|
||||
|
||||
proc message*[T](turn: var Turn; r: Cap; v: T) =
|
||||
message(turn, r, v.toPreserves)
|
||||
|
||||
proc sync(turn: var Turn; e: Entity; peer: Cap) =
|
||||
e.sync(turn, peer)
|
||||
|
||||
proc sync*(turn: var Turn; r, peer: Cap) =
|
||||
enqueue(turn, r.relay) do (turn: var Turn):
|
||||
sync(turn, r.target, peer)
|
||||
|
||||
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: 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: var Turn) {.gcsafe.}
|
||||
|
||||
proc run*(facet; action: TurnAction; zombieTurn = false) {.gcsafe.}
|
||||
|
||||
proc newFacet(actor; parent: Facet; initialAssertions: OutboundTable): Facet =
|
||||
result = Facet(
|
||||
id: getMonoTime().ticks.FacetId,
|
||||
actor: actor,
|
||||
parent: parent,
|
||||
outbound: initialAssertions,
|
||||
isAlive: true)
|
||||
if not parent.isNil: parent.children.incl result
|
||||
|
||||
proc newFacet(actor; parent: Facet): Facet =
|
||||
var initialAssertions: OutboundTable
|
||||
newFacet(actor, parent, initialAssertions)
|
||||
|
||||
proc isInert(facet): bool =
|
||||
result = facet.children.len == 0 and
|
||||
(facet.outbound.len == 0 or facet.parent.isNil) and
|
||||
facet.inertCheckPreventers == 0
|
||||
|
||||
proc preventInertCheck*(facet): (proc() {.gcsafe.}) {.discardable.} =
|
||||
var armed = true
|
||||
inc facet.inertCheckPreventers
|
||||
proc disarm() =
|
||||
if armed:
|
||||
armed = false
|
||||
dec facet.inertCheckPreventers
|
||||
result = disarm
|
||||
|
||||
proc inFacet(turn: var Turn; facet; act: TurnAction) =
|
||||
## Call an action with a facet using a temporary `Turn`
|
||||
## that shares the `Queues` of the calling `Turn`.
|
||||
var t = Turn(facet: facet, queues: turn.queues)
|
||||
act(t)
|
||||
|
||||
proc terminate(actor; turn; reason: ref Exception) {.gcsafe.}
|
||||
|
||||
proc terminate(facet; turn: var Turn; orderly: bool) {.gcsafe.} =
|
||||
if facet.isAlive:
|
||||
facet.isAlive = false
|
||||
let parent = facet.parent
|
||||
if not parent.isNil:
|
||||
parent.children.excl facet
|
||||
block:
|
||||
var turn = Turn(facet: facet, queues: turn.queues)
|
||||
while facet.children.len > 0:
|
||||
facet.children.pop.terminate(turn, orderly)
|
||||
if orderly:
|
||||
for act in facet.shutdownActions:
|
||||
act(turn)
|
||||
for a in facet.outbound.values: turn.retract(a)
|
||||
if orderly:
|
||||
if not parent.isNil:
|
||||
if parent.isInert:
|
||||
parent.terminate(turn, true)
|
||||
else:
|
||||
terminate(facet.actor, turn, nil)
|
||||
when tracing:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.facetStop)
|
||||
act.facetstop.path = facet.path
|
||||
turn.desc.actions.add act
|
||||
|
||||
proc stopIfInertAfter(action: TurnAction): TurnAction =
|
||||
proc wrapper(turn: var Turn) =
|
||||
action(turn)
|
||||
enqueue(turn, turn.facet) do (turn: var Turn):
|
||||
if (not turn.facet.parent.isNil and
|
||||
(not turn.facet.parent.isAlive)) or
|
||||
turn.facet.isInert:
|
||||
stop(turn)
|
||||
wrapper
|
||||
|
||||
proc newFacet*(turn: var Turn): Facet = newFacet(turn.facet.actor, turn.facet)
|
||||
|
||||
proc inFacet*(turn: var Turn; bootProc: TurnAction): Facet =
|
||||
result = newFacet(turn)
|
||||
when tracing:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.facetstart)
|
||||
act.facetstart.path.add result.path
|
||||
when traceSyndicate:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.enqueue)
|
||||
act.enqueue.event = TargetedTurnEvent(
|
||||
target: cap.traceTarget,
|
||||
detail: trace.TurnEvent(orKind: trace.TurnEventKind.assert)
|
||||
)
|
||||
act.enqueue.event.detail = trace.TurnEvent(orKind: TurnEventKind.assert)
|
||||
act.enqueue.event.detail.assert = TurnEventAssert(
|
||||
assertion: AssertionDescription(orKind: AssertionDescriptionKind.value),
|
||||
handle: result,
|
||||
)
|
||||
act.enqueue.event.detail.assert.assertion.value.value = val
|
||||
turn.desc.actions.add act
|
||||
inFacet(turn, result, stopIfInertAfter(bootProc))
|
||||
|
||||
proc facet*(turn: var Turn; bootProc: TurnAction): Facet {.deprecated.} = inFacet(turn, bootProc)
|
||||
proc retract*(turn; h: Handle) =
|
||||
when traceSyndicate:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.enqueue)
|
||||
act.enqueue.event = TargetedTurnEvent(
|
||||
target: turn.traceTarget,
|
||||
detail: trace.TurnEvent(orKind: trace.TurnEventKind.retract)
|
||||
)
|
||||
act.enqueue.event.detail.retract = TurnEventRetract(handle: h)
|
||||
turn.desc.actions.add act
|
||||
|
||||
proc newActor(name: string; handleAlloc: ref Handle): Actor =
|
||||
let
|
||||
now = getTime()
|
||||
seed = now.toUnix * 1_000_000_000 + now.nanosecond
|
||||
result = Actor(
|
||||
name: name,
|
||||
id: ActorId(seed),
|
||||
handleAllocator: handleAlloc,
|
||||
)
|
||||
result.root = newFacet(result, nil)
|
||||
when tracing:
|
||||
var act = ActorActivation(orKind: ActorActivationKind.start)
|
||||
act.start.actorName = Name(orKind: NameKind.named)
|
||||
act.start.actorName.named.name = name.toPreserves
|
||||
trace(result, act)
|
||||
proc message*(turn; cap; val: Value) =
|
||||
when traceSyndicate:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.enqueue)
|
||||
act.enqueue.event = TargetedTurnEvent(
|
||||
target: turn.traceTarget,
|
||||
detail: trace.TurnEvent(orKind: trace.TurnEventKind.message)
|
||||
)
|
||||
act.enqueue.event.detail.message.body.value.value = val
|
||||
turn.desc.actions.add act
|
||||
|
||||
proc run(actor; bootProc: TurnAction; initialAssertions: OutboundTable) =
|
||||
run(newFacet(actor, actor.root, initialAssertions), stopIfInertAfter(bootProc))
|
||||
proc sync*(turn; peer: Cap) =
|
||||
when traceSyndicate:
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.enqueue)
|
||||
act.enqueue.event = TargetedTurnEvent(
|
||||
target: turn.traceTarget,
|
||||
detail: trace.TurnEvent(orKind: trace.TurnEventKind.sync)
|
||||
)
|
||||
act.enqueue.event.detail.sync.peer = peer.traceTarget
|
||||
turn.desc.actions.add act
|
||||
|
||||
proc bootActor*(name: string; bootProc: TurnAction): Actor =
|
||||
var initialAssertions: OutboundTable
|
||||
result = newActor(name, new(ref Handle))
|
||||
when tracing:
|
||||
new result.turnIdAllocator
|
||||
let path = getEnv("SYNDICATE_TRACE_FILE", "/tmp/" & name & ".trace.pr")
|
||||
case path
|
||||
of "": stderr.writeLine "$SYNDICATE_TRACE_FILE unset, not tracing actor ", name
|
||||
of "-": result.traceStream = newFileStream(stderr)
|
||||
else: result.traceStream = openFileStream(path, fmWrite)
|
||||
run(result, bootProc, initialAssertions)
|
||||
proc publish*(cap: Cap; val: Value): Handle {.syndicate.} =
|
||||
publish(activeTurn(), cap, val)
|
||||
|
||||
proc spawn*(name: string; turn: var Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
|
||||
let actor = newActor(name, turn.facet.actor.handleAllocator)
|
||||
enqueue(turn, turn.facet) do (turn: var Turn):
|
||||
var newOutBound: Table[Handle, OutboundAssertion]
|
||||
for key in initialAssertions:
|
||||
discard turn.facet.outbound.pop(key, newOutbound[key])
|
||||
when tracing:
|
||||
actor.turnIdAllocator = turn.facet.actor.turnIdAllocator
|
||||
actor.traceStream = turn.facet.actor.traceStream
|
||||
var act = ActionDescription(orKind: ActionDescriptionKind.spawn)
|
||||
act.spawn.id = actor.id.toPreserves
|
||||
turn.desc.actions.add act
|
||||
run(actor, bootProc, newOutBound)
|
||||
actor
|
||||
proc retract*(h: Handle) {.syndicate.} =
|
||||
activeTurn().retract(h)
|
||||
|
||||
proc newInertCap*(): Cap =
|
||||
let a = bootActor("inert") do (turn: var Turn): turn.stop()
|
||||
Cap(relay: a.root)
|
||||
proc message*(cap: Cap; val: Value) {.syndicate.} =
|
||||
activeTurn().message(cap, val)
|
||||
|
||||
proc atExit*(actor; action) = actor.exitHooks.add action
|
||||
|
||||
proc terminate(actor; turn; reason: ref Exception) =
|
||||
if not actor.exiting:
|
||||
actor.exiting = true
|
||||
actor.exitReason = reason
|
||||
when tracing:
|
||||
var act = ActorActivation(orKind: ActorActivationKind.stop)
|
||||
if not reason.isNil:
|
||||
act.stop.status = ExitStatus(orKind: ExitStatusKind.Error)
|
||||
act.stop.status.error.message = reason.msg
|
||||
trace(actor, act)
|
||||
for hook in actor.exitHooks: hook(turn)
|
||||
proc finish(turn: var Turn) =
|
||||
actor.root.terminate(turn, reason.isNil)
|
||||
actor.exited = true
|
||||
callSoon do ():
|
||||
run(actor.root, finish, true)
|
||||
|
||||
proc terminate*(facet; e: ref Exception) =
|
||||
run(facet.actor.root) do (turn: var Turn):
|
||||
facet.actor.terminate(turn, e)
|
||||
|
||||
proc asyncCheck*(facet: Facet; fut: FutureBase) =
|
||||
## Sets a callback on `fut` which propagates exceptions to `facet`.
|
||||
addCallback(fut) do ():
|
||||
if fut.failed: terminate(facet, fut.error)
|
||||
|
||||
proc asyncCheck*(turn; fut: FutureBase) =
|
||||
## Sets a callback on `fut` which propagates exceptions to the facet of `turn`.
|
||||
asyncCheck(turn.facet, fut)
|
||||
|
||||
template tryFacet(facet; body: untyped) =
|
||||
try: body
|
||||
except CatchableError as err: terminate(facet, err)
|
||||
|
||||
proc run*(facet; action: TurnAction; zombieTurn = false) =
|
||||
if zombieTurn or (facet.actor.exitReason.isNil and facet.isAlive):
|
||||
tryFacet(facet):
|
||||
var queues = newTable[Facet, seq[TurnAction]]()
|
||||
block:
|
||||
var turn = Turn(facet: facet, queues: queues)
|
||||
action(turn)
|
||||
when tracing:
|
||||
turn.desc.id = facet.nextTurnId.toPreserves
|
||||
facet.actor.trace ActorActivation(
|
||||
orKind: ActorActivationKind.turn, turn: turn.desc)
|
||||
for facet, queue in queues:
|
||||
for action in queue: run(facet, action)
|
||||
|
||||
proc run*(cap: Cap; action: TurnAction) =
|
||||
## Convenience proc to run a `TurnAction` in the scope of a `Cap`.
|
||||
run(cap.relay, action)
|
||||
|
||||
proc addCallback*(fut: FutureBase; facet: Facet; act: TurnAction) =
|
||||
## Add a callback to a `Future` that will be called at a later `Turn`
|
||||
## within the context of `facet`.
|
||||
addCallback(fut) do ():
|
||||
if fut.failed: terminate(facet, fut.error)
|
||||
else:
|
||||
when tracing:
|
||||
run(facet) do (turn: var Turn):
|
||||
turn.desc.cause = TurnCause(orKind: TurnCauseKind.external)
|
||||
turn.desc.cause.external.description = "Future".toPreserves
|
||||
act(turn)
|
||||
else:
|
||||
run(facet, act)
|
||||
|
||||
proc addCallback*(fut: FutureBase; turn: var Turn; act: TurnAction) =
|
||||
## Add a callback to a `Future` that will be called at a later `Turn`
|
||||
## with the same context as the current.
|
||||
if fut.failed:
|
||||
terminate(turn.facet, fut.error)
|
||||
elif fut.finished:
|
||||
enqueue(turn, turn.facet, act)
|
||||
else:
|
||||
addCallback(fut, turn.facet, act)
|
||||
|
||||
proc addCallback*[T](fut: Future[T]; turn: var Turn; act: proc (t: var Turn, x: T) {.gcsafe.}) =
|
||||
addCallback(fut, turn) do (turn: var Turn):
|
||||
if fut.failed: terminate(turn.facet, fut.error)
|
||||
else:
|
||||
when tracing:
|
||||
turn.desc.cause = TurnCause(orKind: TurnCauseKind.external)
|
||||
turn.desc.cause.external.description = "Future".toPreserves
|
||||
act(turn, read fut)
|
||||
|
||||
proc stop*(turn: var Turn, facet: Facet) =
|
||||
if facet.parent.isNil:
|
||||
facet.terminate(turn, true)
|
||||
else:
|
||||
enqueue(turn, facet.parent) do (turn: var Turn):
|
||||
facet.terminate(turn, true)
|
||||
|
||||
proc stop*(turn: var Turn) =
|
||||
stop(turn, turn.facet)
|
||||
|
||||
proc onStop*(facet: Facet; act: TurnAction) =
|
||||
## Add a `proc (turn: var Turn)` action to `facet` to be called as it stops.
|
||||
add(facet.shutdownActions, act)
|
||||
|
||||
proc stopActor*(turn: var Turn) =
|
||||
let actor = turn.facet.actor
|
||||
enqueue(turn, actor.root) do (turn: var Turn):
|
||||
terminate(actor, turn, nil)
|
||||
|
||||
proc freshen*(turn: var Turn, act: TurnAction) =
|
||||
assert(turn.queues.len == 0, "Attempt to freshen a non-stale Turn")
|
||||
run(turn.facet, act)
|
||||
|
||||
proc newCap*(relay: Facet; e: Entity): Cap =
|
||||
Cap(relay: relay, target: e)
|
||||
|
||||
proc newCap*(turn; e: Entity): Cap =
|
||||
Cap(relay: turn.facet, target: e)
|
||||
|
||||
proc newCap*(e: Entity; turn): Cap =
|
||||
Cap(relay: turn.facet, target: e)
|
||||
|
||||
type SyncContinuation {.final.} = ref object of Entity
|
||||
action: TurnAction
|
||||
|
||||
method message(entity: SyncContinuation; turn: var Turn; v: AssertionRef) =
|
||||
entity.action(turn)
|
||||
|
||||
proc sync*(turn: var Turn; refer: Cap; act: TurnAction) =
|
||||
sync(turn, refer, newCap(turn, SyncContinuation(action: act)))
|
||||
|
||||
proc running*(actor): bool =
|
||||
result = not actor.exited
|
||||
if not (result or actor.exitReason.isNil):
|
||||
raise actor.exitReason
|
||||
proc sync*(cap: Cap) {.syndicate.} =
|
||||
activeTurn().sync(cap)
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import std/[asyncdispatch, monotimes, times]
|
||||
import std/[asyncdispatch, monotimes, times, posix, times, epoll]
|
||||
import preserves
|
||||
import syndicate
|
||||
|
||||
|
|
@ -12,24 +12,41 @@ export timer
|
|||
|
||||
type Observe = dataspace.Observe
|
||||
|
||||
#[
|
||||
proc timerfd_create(clock_id: ClockId, flags: cint): cint
|
||||
{.importc: "timerfd_create", header: "<sys/timerfd.h>".}
|
||||
proc timerfd_settime(ufd: cint, flags: cint,
|
||||
utmr: var Itimerspec, otmr: var Itimerspec): cint
|
||||
{.importc: "timerfd_settime", header: "<sys/timerfd.h>".}
|
||||
proc eventfd(count: cuint, flags: cint): cint
|
||||
{.importc: "eventfd", header: "<sys/eventfd.h>".}
|
||||
]#
|
||||
|
||||
proc now: float64 = getTime().toUnixFloat()
|
||||
|
||||
proc spawnTimers*(turn: var Turn; ds: Cap): Actor {.discardable.} =
|
||||
## Spawn a timer actor.
|
||||
spawn("timer", turn) do (turn: var Turn):
|
||||
proc processTimers(ds: Cap) {.turnAction.} =
|
||||
let pat = inject(grab Observe(pattern: dropType LaterThan), {0: grabLit()})
|
||||
during(ds, pat) do (seconds: float):
|
||||
let period = seconds - now()
|
||||
if period < 0.001 or true:
|
||||
let h = publish(ds, LaterThan(seconds: seconds).toPreserves)
|
||||
|
||||
during(turn, ds, inject(grab Observe(pattern: dropType LaterThan), {0: grabLit()})) do (seconds: float):
|
||||
let period = seconds - now()
|
||||
if period < 0.001:
|
||||
#[
|
||||
else:
|
||||
let fdi = timerfd_create(CLOCK_MONOTONIC, O_CLOEXEC or O_NONBLOCK)
|
||||
|
||||
addCallback(sleepAsync(period * 1_000), turn) do (turn: Turn):
|
||||
discard publish(turn, ds, LaterThan(seconds: seconds))
|
||||
else:
|
||||
addCallback(sleepAsync(period * 1_000), turn) do (turn: var Turn):
|
||||
discard publish(turn, ds, LaterThan(seconds: seconds))
|
||||
]#
|
||||
|
||||
proc after*(turn: var Turn; ds: Cap; dur: Duration; act: TurnAction) =
|
||||
proc spawnTimers*(ds: Cap) =
|
||||
## Spawn a timer actor.
|
||||
boot(newActor("timers"), whelp processTimers(ds))
|
||||
|
||||
proc after*(turn: Turn; ds: Cap; dur: Duration; act: TurnAction) =
|
||||
## Execute `act` after some duration of time.
|
||||
let later = now() + dur.inMilliseconds.float64 * 1_000.0
|
||||
onPublish(turn, ds, grab LaterThan(seconds: later)):
|
||||
onPublish(ds, grab LaterThan(seconds: later)):
|
||||
act(turn)
|
||||
|
||||
# TODO: periodic timer
|
||||
|
|
|
|||
|
|
@ -1,29 +1,27 @@
|
|||
# SPDX-FileCopyrightText: ☭ 2022 Emery Hemingway
|
||||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import std/[hashes, options, tables]
|
||||
import pkg/cps
|
||||
import preserves
|
||||
import ./actors, ./protocols/dataspace, ./skeletons
|
||||
|
||||
from ./protocols/protocol import Handle
|
||||
from ./protocols/dataspace import Observe
|
||||
|
||||
type
|
||||
Assertion = Value
|
||||
Observe = dataspace.Observe
|
||||
Turn = actors.Turn
|
||||
|
||||
Dataspace {.final.} = ref object of Entity
|
||||
index: Index
|
||||
handleMap: Table[Handle, Assertion]
|
||||
handleMap: Table[Handle, Value]
|
||||
|
||||
method publish(ds: Dataspace; turn: var Turn; a: AssertionRef; h: Handle) {.gcsafe.} =
|
||||
method publish(ds: Dataspace; turn: Turn; a: AssertionRef; h: Handle) {.gcsafe.} =
|
||||
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: var Turn; h: Handle) {.gcsafe.} =
|
||||
method retract(ds: Dataspace; turn: Turn; h: Handle) {.gcsafe.} =
|
||||
let v = ds.handleMap[h]
|
||||
if remove(ds.index, turn, v):
|
||||
ds.handleMap.del h
|
||||
|
|
@ -31,20 +29,13 @@ method retract(ds: Dataspace; turn: var Turn; h: Handle) {.gcsafe.} =
|
|||
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: var Turn; a: AssertionRef) {.gcsafe.} =
|
||||
method message(ds: Dataspace; turn: Turn; a: AssertionRef) {.gcsafe.} =
|
||||
ds.index.deliverMessage(turn, a.value)
|
||||
|
||||
proc newDataspace*(turn: var Turn): Cap =
|
||||
newCap(turn, Dataspace(index: initIndex()))
|
||||
proc newDataspace*(f: Facet): Cap =
|
||||
newCap(f, Dataspace(index: initIndex()))
|
||||
|
||||
type BootProc = proc (turn: var Turn; ds: Cap) {.gcsafe.}
|
||||
type DeprecatedBootProc = proc (ds: Cap; turn: var Turn) {.gcsafe.}
|
||||
type BootProc = proc (ds: Cap)
|
||||
|
||||
proc bootDataspace*(name: string; bootProc: BootProc): Actor =
|
||||
bootActor(name) do (turn: var Turn):
|
||||
discard turn.facet.preventInertCheck()
|
||||
bootProc(turn, newDataspace(turn))
|
||||
|
||||
proc bootDataspace*(name: string; bootProc: DeprecatedBootProc): Actor {.deprecated.} =
|
||||
bootDataspace(name) do (turn: var Turn, ds: Cap):
|
||||
bootProc(ds, turn)
|
||||
proc newDataspace*(): Cap {.syndicate.} =
|
||||
activeFacet().newDataspace()
|
||||
|
|
|
|||
|
|
@ -6,18 +6,18 @@ import preserves
|
|||
import ./actors, ./patterns, ./protocols/dataspace
|
||||
|
||||
type
|
||||
DuringProc* = proc (turn: var Turn; a: Value; h: Handle): TurnAction {.gcsafe.}
|
||||
DuringProc* = proc (a: Value; h: Handle)
|
||||
DuringActionKind = enum null, dead, act
|
||||
DuringAction = object
|
||||
case kind: DuringActionKind
|
||||
of null, dead: discard
|
||||
of act:
|
||||
action: TurnAction
|
||||
DuringEntity {.final.}= ref object of Entity
|
||||
action: Cont
|
||||
DuringEntity {.final.}= ref object of Entity
|
||||
cb: DuringProc
|
||||
assertionMap: Table[Handle, DuringAction]
|
||||
|
||||
method publish(de: DuringEntity; turn: var Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(de: DuringEntity; turn: Turn; a: AssertionRef; h: Handle) =
|
||||
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
|
||||
|
|
@ -30,7 +30,7 @@ method publish(de: DuringEntity; turn: var Turn; a: AssertionRef; h: Handle) =
|
|||
of act:
|
||||
raiseAssert("during: duplicate handle in publish: " & $h)
|
||||
|
||||
method retract(de: DuringEntity; turn: var Turn; h: Handle) =
|
||||
method retract(de: DuringEntity; turn: Turn; h: Handle) =
|
||||
let g = de.assertionMap.getOrDefault h
|
||||
case g.kind
|
||||
of null:
|
||||
|
|
@ -40,9 +40,9 @@ method retract(de: DuringEntity; turn: var Turn; h: Handle) =
|
|||
of act:
|
||||
de.assertionMap.del h
|
||||
if not g.action.isNil:
|
||||
g.action(turn)
|
||||
turn.queue(g.action)
|
||||
|
||||
proc during*(cb: DuringProc): DuringEntity = DuringEntity(cb: cb)
|
||||
|
||||
proc observe*(turn: var Turn; ds: Cap; pat: Pattern; e: Entity): Handle =
|
||||
publish(turn, ds, Observe(pattern: pat, observer: newCap(turn, e)))
|
||||
proc observe*(turn: Turn; ds: Cap; pat: Pattern; e: Entity): Handle =
|
||||
publish(turn, ds, Observe(pattern: pat, observer: newCap(turn, e)).toPreserves)
|
||||
|
|
|
|||
|
|
@ -1,8 +1,10 @@
|
|||
# SPDX-FileCopyrightText: ☭ Emery Hemingway
|
||||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import std/[asyncdispatch, options, tables]
|
||||
import std/[options, tables]
|
||||
from std/os import getEnv, `/`
|
||||
import pkg/sys/[ioqueue, sockets]
|
||||
|
||||
import preserves
|
||||
import ../syndicate, /capabilities, ./durings, ./membranes, ./protocols/[gatekeeper, protocol, sturdy, transportAddress]
|
||||
|
||||
|
|
@ -15,20 +17,18 @@ else:
|
|||
template trace(args: varargs[untyped]): untyped = discard
|
||||
|
||||
export `$`
|
||||
|
||||
type
|
||||
Oid = sturdy.Oid
|
||||
|
||||
export Stdio, Tcp, WebSocket, Unix
|
||||
|
||||
type
|
||||
Assertion = Value
|
||||
WireRef = sturdy.WireRef
|
||||
Turn = syndicate.Turn
|
||||
Event = protocol.Event
|
||||
Handle = actors.Handle
|
||||
Oid = sturdy.Oid
|
||||
Turn = syndicate.Turn
|
||||
WireRef = sturdy.WireRef
|
||||
|
||||
PacketWriter = proc (turn: var Turn; buf: seq[byte]) {.closure, gcsafe.}
|
||||
RelaySetup = proc (turn: var Turn; relay: Relay) {.closure, gcsafe.}
|
||||
PacketWriter = proc (turn: Turn; buf: seq[byte]) {.closure, gcsafe.}
|
||||
RelaySetup = proc (turn: Turn; relay: Relay) {.closure, gcsafe.}
|
||||
|
||||
Relay* = ref object
|
||||
facet: Facet
|
||||
|
|
@ -57,20 +57,20 @@ type
|
|||
proc releaseCapOut(r: Relay; e: WireSymbol) =
|
||||
r.exported.drop e
|
||||
|
||||
method publish(spe: SyncPeerEntity; t: var Turn; a: AssertionRef; h: Handle) =
|
||||
method publish(spe: SyncPeerEntity; t: Turn; a: AssertionRef; h: Handle) =
|
||||
spe.handleMap[h] = publish(t, spe.peer, a.value)
|
||||
|
||||
method retract(se: SyncPeerEntity; t: var Turn; h: Handle) =
|
||||
method retract(se: SyncPeerEntity; t: Turn; h: Handle) =
|
||||
var other: Handle
|
||||
if se.handleMap.pop(h, other):
|
||||
retract(t, other)
|
||||
|
||||
method message(se: SyncPeerEntity; t: var Turn; a: AssertionRef) =
|
||||
method message(se: SyncPeerEntity; t: Turn; a: AssertionRef) =
|
||||
if not se.e.isNil:
|
||||
se.relay.releaseCapOut(se.e)
|
||||
message(t, se.peer, a.value)
|
||||
|
||||
method sync(se: SyncPeerEntity; t: var Turn; peer: Cap) =
|
||||
method sync(se: SyncPeerEntity; t: Turn; peer: Cap) =
|
||||
sync(t, se.peer, peer)
|
||||
|
||||
proc newSyncPeerEntity(r: Relay; p: Cap): SyncPeerEntity =
|
||||
|
|
@ -107,42 +107,46 @@ proc deregister(relay: Relay; h: Handle) =
|
|||
if relay.outboundAssertions.pop(h, outbound):
|
||||
for e in outbound: releaseCapOut(relay, e)
|
||||
|
||||
proc send(relay: Relay; turn: var Turn; rOid: protocol.Oid; m: Event) =
|
||||
if relay.pendingTurn.len == 0:
|
||||
proc send(relay: Relay; turn: Turn; rOid: protocol.Oid; m: Event) =
|
||||
if relay.pendingTurn.len > 0:
|
||||
stderr.writeLine "relay has pending turn events"
|
||||
# If the pending queue is empty then schedule a packet
|
||||
# to be sent after pending I/O is processed.
|
||||
callSoon do ():
|
||||
relay.facet.run do (turn: var Turn):
|
||||
#[
|
||||
assert turn.finalizer.isNil
|
||||
turn.finalizer = proc () =
|
||||
relay.facet.run do (turn: Turn):
|
||||
var pkt = Packet(
|
||||
orKind: PacketKind.Turn,
|
||||
turn: move relay.pendingTurn)
|
||||
trace "C: ", pkt
|
||||
relay.packetWriter(turn, encode pkt)
|
||||
]#
|
||||
relay.pendingTurn.add TurnEvent(oid: rOid, event: m)
|
||||
|
||||
proc send(re: RelayEntity; turn: var Turn; ev: Event) =
|
||||
proc send(re: RelayEntity; turn: Turn; ev: Event) =
|
||||
send(re.relay, turn, protocol.Oid re.oid, ev)
|
||||
|
||||
method publish(re: RelayEntity; t: var Turn; a: AssertionRef; h: Handle) {.gcsafe.} =
|
||||
method publish(re: RelayEntity; t: Turn; a: AssertionRef; h: Handle) {.gcsafe.} =
|
||||
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: var Turn; h: Handle) {.gcsafe.} =
|
||||
method retract(re: RelayEntity; t: Turn; h: Handle) {.gcsafe.} =
|
||||
re.relay.deregister h
|
||||
re.send(t, Event(
|
||||
orKind: EventKind.Retract,
|
||||
retract: Retract(handle: h)))
|
||||
|
||||
method message(re: RelayEntity; turn: var Turn; msg: AssertionRef) {.gcsafe.} =
|
||||
method message(re: RelayEntity; turn: Turn; msg: AssertionRef) {.gcsafe.} =
|
||||
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: var Turn; peer: Cap) {.gcsafe.} =
|
||||
method sync(re: RelayEntity; turn: Turn; peer: Cap) {.gcsafe.} =
|
||||
var
|
||||
peerEntity = newSyncPeerEntity(re.relay, peer)
|
||||
exported: seq[WireSymbol]
|
||||
|
|
@ -196,7 +200,7 @@ proc rewriteIn(relay; facet; v: Value):
|
|||
|
||||
proc close(r: Relay) = discard
|
||||
|
||||
proc dispatch(relay: Relay; turn: var Turn; cap: Cap; event: Event) {.gcsafe.} =
|
||||
proc dispatch(relay: Relay; turn: Turn; cap: Cap; event: Event) {.gcsafe.} =
|
||||
case event.orKind
|
||||
of EventKind.Assert:
|
||||
let (a, imported) = rewriteIn(relay, turn.facet, event.assert.assertion)
|
||||
|
|
@ -219,14 +223,14 @@ proc dispatch(relay: Relay; turn: var Turn; cap: Cap; event: Event) {.gcsafe.} =
|
|||
#[
|
||||
var imported: seq[WireSymbol]
|
||||
let k = relay.rewriteCapIn(turn, evenr.sync.peer, imported)
|
||||
turn.sync(cap) do (turn: var Turn):
|
||||
turn.sync(cap) do (turn: Turn):
|
||||
turn.message(k, true)
|
||||
for e in imported: relay.imported.del e
|
||||
]#
|
||||
|
||||
proc dispatch(relay: Relay; v: Value) {.gcsafe.} =
|
||||
trace "S: ", v
|
||||
run(relay.facet) do (t: var Turn):
|
||||
run(relay.facet) do (t: Turn):
|
||||
var pkt: Packet
|
||||
if pkt.fromPreserves(v):
|
||||
case pkt.orKind
|
||||
|
|
@ -264,8 +268,8 @@ type
|
|||
initialCap*: Cap
|
||||
nextLocalOid*: Option[Oid]
|
||||
|
||||
proc spawnRelay(name: string; turn: var Turn; opts: RelayActorOptions; setup: RelaySetup) =
|
||||
spawn(name, turn) do (turn: var Turn):
|
||||
proc spawnRelay(name: string; turn: Turn; opts: RelayActorOptions; setup: RelaySetup) =
|
||||
spawn(name, turn) do (turn: Turn):
|
||||
let relay = Relay(
|
||||
facet: turn.facet,
|
||||
packetWriter: opts.packetWriter,
|
||||
|
|
@ -300,20 +304,21 @@ proc accepted(cap: Cap): Resolved =
|
|||
|
||||
when defined(posix):
|
||||
|
||||
#[
|
||||
import std/asyncfile
|
||||
export Unix
|
||||
|
||||
type StdioControlEntity = ref object of Entity
|
||||
stdin: AsyncFile
|
||||
|
||||
method message(entity: StdioControlEntity; turn: var Turn; ass: AssertionRef) =
|
||||
method message(entity: StdioControlEntity; turn: Turn; ass: AssertionRef) =
|
||||
if ass.value.preservesTo(ForceDisconnect).isSome:
|
||||
close(entity.stdin)
|
||||
close(stdout)
|
||||
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Stdio) =
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Stdio) =
|
||||
## Connect to an external dataspace over stdio.
|
||||
proc stdoutWriter(turn: var Turn; buf: seq[byte]) =
|
||||
proc stdoutWriter(turn: Turn; buf: seq[byte]) =
|
||||
## Blocking write to stdout.
|
||||
let n = writeBytes(stdout, buf, 0, buf.len)
|
||||
flushFile(stdout)
|
||||
|
|
@ -324,7 +329,7 @@ when defined(posix):
|
|||
initialCap: ds,
|
||||
initialOid: 0.Oid.some,
|
||||
)
|
||||
spawnRelay("stdio", turn, opts) do (turn: var Turn; relay: Relay):
|
||||
spawnRelay("stdio", turn, opts) do (turn: Turn; relay: Relay):
|
||||
let
|
||||
facet = turn.facet
|
||||
asyncStdin = openAsync("/dev/stdin") # this is universal now?
|
||||
|
|
@ -338,13 +343,13 @@ when defined(posix):
|
|||
if not pktFut.failed:
|
||||
var buf = pktFut.read
|
||||
if buf.len == 0:
|
||||
run(facet) do (turn: var Turn): stopActor(turn)
|
||||
run(facet) do (turn: Turn): stopActor(turn)
|
||||
else:
|
||||
relay.recv(cast[seq[byte]](buf))
|
||||
asyncStdin.read(stdinReadSize).addCallback(readCb)
|
||||
asyncStdin.read(stdinReadSize).addCallback(readCb)
|
||||
|
||||
proc connectStdio*(turn: var Turn; ds: Cap) =
|
||||
proc connectStdio*(turn: Turn; ds: Cap) =
|
||||
## Connect to an external dataspace over stdin and stdout.
|
||||
connectTransport(turn, ds, transportAddress.Stdio())
|
||||
|
||||
|
|
@ -354,24 +359,24 @@ when defined(posix):
|
|||
type SocketControlEntity = ref object of Entity
|
||||
socket: AsyncSocket
|
||||
|
||||
method message(entity: SocketControlEntity; turn: var Turn; ass: AssertionRef) =
|
||||
method message(entity: SocketControlEntity; turn: Turn; ass: AssertionRef) =
|
||||
if ass.value.preservesTo(ForceDisconnect).isSome:
|
||||
close(entity.socket)
|
||||
|
||||
type ShutdownEntity* = ref object of Entity
|
||||
method retract(e: ShutdownEntity; turn: var Turn; h: Handle) =
|
||||
method retract(e: ShutdownEntity; turn: Turn; h: Handle) =
|
||||
stopActor(turn)
|
||||
|
||||
proc connect(turn: var Turn; ds: Cap; transAddr: Value; socket: AsyncSocket) =
|
||||
proc socketWriter(turn: var Turn; buf: seq[byte]) =
|
||||
proc connect(turn: Turn; ds: Cap; transAddr: Value; socket: AsyncSocket) =
|
||||
proc socketWriter(turn: Turn; buf: seq[byte]) =
|
||||
asyncCheck(turn, socket.send(cast[string](buf)))
|
||||
var ops = RelayActorOptions(
|
||||
packetWriter: socketWriter,
|
||||
initialOid: 0.Oid.some,
|
||||
)
|
||||
spawnRelay("socket", turn, ops) do (turn: var Turn; relay: Relay):
|
||||
spawnRelay("socket", turn, ops) do (turn: Turn; relay: Relay):
|
||||
let facet = turn.facet
|
||||
facet.actor.atExit do (turn: var Turn): close(socket)
|
||||
facet.actor.atExit do (turn: Turn): close(socket)
|
||||
publish(turn, ds, TransportConnection(
|
||||
`addr`: transAddr,
|
||||
control: SocketControlEntity(socket: socket).newCap(turn),
|
||||
|
|
@ -380,17 +385,17 @@ when defined(posix):
|
|||
const recvSize = 0x4000
|
||||
proc recvCb(pktFut: Future[string]) {.gcsafe.} =
|
||||
if pktFut.failed or pktFut.read.len == 0:
|
||||
run(facet) do (turn: var Turn): stopActor(turn)
|
||||
run(facet) do (turn: Turn): stopActor(turn)
|
||||
else:
|
||||
relay.recv(cast[seq[byte]](pktFut.read))
|
||||
if not socket.isClosed:
|
||||
socket.recv(recvSize).addCallback(recvCb)
|
||||
socket.recv(recvSize).addCallback(recvCb)
|
||||
|
||||
proc connect(turn: var Turn; ds: Cap; ta: Value; socket: AsyncSocket; fut: Future[void]) =
|
||||
proc connect(turn: Turn; ds: Cap; ta: Value; socket: AsyncSocket; fut: Future[void]) =
|
||||
let facet = turn.facet
|
||||
fut.addCallback do ():
|
||||
run(facet) do (turn: var Turn):
|
||||
run(facet) do (turn: Turn):
|
||||
if fut.failed:
|
||||
var ass = TransportConnection(
|
||||
`addr`: ta,
|
||||
|
|
@ -401,7 +406,7 @@ when defined(posix):
|
|||
else:
|
||||
connect(turn, ds, ta, socket)
|
||||
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Tcp) =
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Tcp) =
|
||||
let
|
||||
facet = turn.facet
|
||||
socket = newAsyncSocket(
|
||||
|
|
@ -411,8 +416,14 @@ when defined(posix):
|
|||
buffered = false,
|
||||
)
|
||||
connect(turn, ds, ta.toPreserves, socket, connect(socket, ta.host, Port ta.port))
|
||||
]#
|
||||
|
||||
proc connectTransport(turn: var Turn; ds: Cap; ta: transportAddress.Unix) =
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Tcp) {.asyncio.} =
|
||||
var conn = connectTcpAsync(ta.host, Port ta.port)
|
||||
# connect(turn, ds, ta.toPreserves, conn)
|
||||
|
||||
#[
|
||||
proc connectTransport(turn: Turn; ds: Cap; ta: transportAddress.Unix) =
|
||||
## Relay a dataspace over a UNIX socket.
|
||||
let socket = newAsyncSocket(
|
||||
domain = AF_UNIX,
|
||||
|
|
@ -420,8 +431,9 @@ when defined(posix):
|
|||
protocol = cast[Protocol](0),
|
||||
buffered = false)
|
||||
connect(turn, ds, ta.toPreserves, socket, connectUnix(socket, ta.path))
|
||||
]#
|
||||
|
||||
proc walk(turn: var Turn; ds, origin: Cap; route: Route; transOff, stepOff: int) {.gcsafe.} =
|
||||
proc walk(turn: Turn; ds, origin: Cap; route: Route; transOff, stepOff: int) {.gcsafe.} =
|
||||
if stepOff < route.pathSteps.len:
|
||||
let
|
||||
step = route.pathSteps[stepOff]
|
||||
|
|
@ -444,7 +456,7 @@ proc walk(turn: var Turn; ds, origin: Cap; route: Route; transOff, stepOff: int)
|
|||
resolved: origin.accepted,
|
||||
))
|
||||
|
||||
proc connectRoute(turn: var Turn; ds: Cap; route: Route; transOff: int) =
|
||||
proc connectRoute(turn: Turn; ds: Cap; route: Route; transOff: int) =
|
||||
let rejectPat = TransportConnection ?: {
|
||||
0: ?route.transports[transOff],
|
||||
2: ?:Rejected,
|
||||
|
|
@ -462,15 +474,15 @@ proc connectRoute(turn: var Turn; ds: Cap; route: Route; transOff: int) =
|
|||
onPublish(turn, ds, acceptPat) do (origin: Cap):
|
||||
walk(turn, ds, origin, route, transOff, 0)
|
||||
|
||||
type StepCallback = proc (turn: var Turn; step: Value; origin, next: Cap) {.gcsafe.}
|
||||
type StepCallback = proc (turn: Turn; step: Value; origin, next: Cap) {.gcsafe.}
|
||||
|
||||
proc spawnStepResolver(turn: var Turn; ds: Cap; stepType: Value; cb: StepCallback) =
|
||||
spawn($stepType & "-step", turn) do (turn: var Turn):
|
||||
proc spawnStepResolver(turn: Turn; ds: Cap; stepType: Value; cb: StepCallback) =
|
||||
spawn($stepType & "-step", turn) do (turn: Turn):
|
||||
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]):
|
||||
let step = toRecord(stepType, stepDetail.value)
|
||||
proc duringCallback(turn: var Turn; ass: Value; h: Handle): TurnAction =
|
||||
proc duringCallback(turn: Turn; ass: Value; h: Handle): TurnAction =
|
||||
var res = ass.preservesTo Resolved
|
||||
if res.isSome:
|
||||
if res.get.orKind == ResolvedKind.accepted and
|
||||
|
|
@ -479,43 +491,43 @@ proc spawnStepResolver(turn: var Turn; ds: Cap; stepType: Value; cb: StepCallbac
|
|||
else:
|
||||
publish(turn, ds, ResolvedPathStep(
|
||||
origin: origin, pathStep: step, resolved: res.get))
|
||||
proc action(turn: var Turn) =
|
||||
proc action(turn: Turn) =
|
||||
stop(turn)
|
||||
result = action
|
||||
publish(turn, origin, Resolve(
|
||||
step: step, observer: newCap(turn, during(duringCallback))))
|
||||
|
||||
proc spawnRelays*(turn: var Turn; ds: Cap) =
|
||||
proc spawnRelays*(turn: Turn; ds: Cap) =
|
||||
## Spawn actors that manage routes and appeasing gatekeepers.
|
||||
spawn("transport-connector", turn) do (turn: var Turn):
|
||||
spawn("transport-connector", turn) do (turn: Turn):
|
||||
let pat = ?Observe(pattern: !TransportConnection) ?? { 0: grab() }
|
||||
# Use a generic pattern and type matching
|
||||
# in the during handler because it is easy.
|
||||
|
||||
let stdioPat = ?Observe(pattern: TransportConnection?:{0: ?:Stdio})
|
||||
during(turn, ds, stdioPat) do:
|
||||
connectTransport(turn, ds, Stdio())
|
||||
# during(turn, ds, stdioPat) do:
|
||||
# connectTransport(turn, ds, Stdio())
|
||||
|
||||
# TODO: tcp pattern
|
||||
during(turn, ds, pat) do (ta: Literal[transportAddress.Tcp]):
|
||||
connectTransport(turn, ds, ta.value)
|
||||
|
||||
# TODO: unix pattern
|
||||
during(turn, ds, pat) do (ta: Literal[transportAddress.Unix]):
|
||||
connectTransport(turn, ds, ta.value)
|
||||
# during(turn, ds, pat) do (ta: Literal[transportAddress.Unix]):
|
||||
# connectTransport(turn, ds, ta.value)
|
||||
|
||||
spawn("path-resolver", turn) do (turn: var Turn):
|
||||
spawn("path-resolver", turn) do (turn: Turn):
|
||||
let pat = ?Observe(pattern: !ResolvePath) ?? {0: grab()}
|
||||
during(turn, ds, pat) do (route: Literal[Route]):
|
||||
for i, transAddr in route.value.transports:
|
||||
connectRoute(turn, ds, route.value, i)
|
||||
|
||||
spawnStepResolver(turn, ds, "ref".toSymbol) do (
|
||||
turn: var Turn, step: Value, origin: Cap, next: Cap):
|
||||
turn: Turn, step: Value, origin: Cap, next: Cap):
|
||||
publish(turn, ds, ResolvedPathStep(
|
||||
origin: origin, pathStep: step, resolved: next.accepted))
|
||||
|
||||
type BootProc* = proc (turn: var Turn; ds: Cap) {.gcsafe.}
|
||||
type BootProc* = proc (turn: Turn; ds: Cap) {.gcsafe.}
|
||||
|
||||
proc envRoute*: Route =
|
||||
var text = getEnv("SYNDICATE_ROUTE")
|
||||
|
|
@ -528,7 +540,7 @@ proc envRoute*: Route =
|
|||
if not result.fromPreserves(pr):
|
||||
raise newException(ValueError, "failed to parse $SYNDICATE_ROUTE " & $pr)
|
||||
|
||||
proc resolve*(turn: var Turn; ds: Cap; route: Route; bootProc: BootProc) =
|
||||
proc resolve*(turn: Turn; ds: Cap; route: Route; bootProc: BootProc) =
|
||||
during(turn, ds, ResolvePath ?: {0: ?route, 3: ?:ResolvedAccepted}) do (dst: Cap):
|
||||
bootProc(turn, dst)
|
||||
|
||||
|
|
|
|||
|
|
@ -67,7 +67,7 @@ func isEmpty(cont: Continuation): bool =
|
|||
type
|
||||
ContinuationProc = proc (c: Continuation; v: Value) {.gcsafe.}
|
||||
LeafProc = proc (l: Leaf; v: Value) {.gcsafe.}
|
||||
ObserverProc = proc (turn: var Turn; group: ObserverGroup; vs: seq[Value]) {.gcsafe.}
|
||||
ObserverProc = proc (turn: Turn; group: ObserverGroup; vs: seq[Value]) {.gcsafe.}
|
||||
|
||||
proc getLeaves(cont: Continuation; constPaths: Paths): LeafMap =
|
||||
result = cont.leafMap.getOrDefault(constPaths)
|
||||
|
|
@ -114,10 +114,10 @@ proc top(stack: TermStack): Value =
|
|||
assert stack.len > 0
|
||||
stack[stack.high]
|
||||
|
||||
proc modify(node: Node; turn: var Turn; outerValue: Value; event: EventKind;
|
||||
proc modify(node: Node; turn: Turn; outerValue: Value; event: EventKind;
|
||||
modCont: ContinuationProc; modLeaf: LeafProc; modObs: ObserverProc) =
|
||||
|
||||
proc walk(cont: Continuation; turn: var Turn) =
|
||||
proc walk(cont: Continuation; turn: Turn) =
|
||||
modCont(cont, outerValue)
|
||||
for constPaths, constValMap in cont.leafMap.pairs:
|
||||
let constVals = projectPaths(outerValue, constPaths)
|
||||
|
|
@ -142,7 +142,7 @@ proc modify(node: Node; turn: var Turn; outerValue: Value; event: EventKind;
|
|||
constValMap.del(get constVals)
|
||||
|
||||
|
||||
proc walk(node: Node; turn: var Turn; termStack: TermStack) =
|
||||
proc walk(node: Node; turn: Turn; termStack: TermStack) =
|
||||
walk(node.continuation, turn)
|
||||
for selector, table in node.edges:
|
||||
let
|
||||
|
|
@ -227,7 +227,7 @@ proc getEndpoints(leaf: Leaf; capturePaths: Paths): ObserverGroup =
|
|||
if captures.isSome:
|
||||
discard result.cachedCaptures.change(get captures, +1)
|
||||
|
||||
proc add*(index: var Index; turn: var Turn; pattern: Pattern; observer: Cap) =
|
||||
proc add*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
||||
let
|
||||
cont = index.root.extend(pattern)
|
||||
analysis = analyse pattern
|
||||
|
|
@ -237,10 +237,10 @@ proc add*(index: var Index; turn: var Turn; pattern: Pattern; observer: Cap) =
|
|||
# TODO if endpoints.cachedCaptures.len > 0:
|
||||
var captureMap = newTable[seq[Value], Handle]()
|
||||
for capture in endpoints.cachedCaptures.items:
|
||||
captureMap[capture] = publish(turn, observer, capture)
|
||||
captureMap[capture] = publish(turn, observer, capture.toPreserves)
|
||||
endpoints.observers[observer] = captureMap
|
||||
|
||||
proc remove*(index: var Index; turn: var Turn; pattern: Pattern; observer: Cap) =
|
||||
proc remove*(index: var Index; turn: Turn; pattern: Pattern; observer: Cap) =
|
||||
let
|
||||
cont = index.root.extend(pattern)
|
||||
analysis = analyse pattern
|
||||
|
|
@ -260,7 +260,7 @@ proc remove*(index: var Index; turn: var Turn; pattern: Pattern; observer: Cap)
|
|||
if constValMap.len == 0:
|
||||
cont.leafMap.del(analysis.constPaths)
|
||||
|
||||
proc adjustAssertion(index: var Index; turn: var Turn; outerValue: Value; delta: int): bool =
|
||||
proc adjustAssertion(index: var Index; turn: Turn; outerValue: Value; delta: int): bool =
|
||||
case index.allAssertions.change(outerValue, delta)
|
||||
of cdAbsentToPresent:
|
||||
result = true
|
||||
|
|
@ -268,7 +268,7 @@ proc adjustAssertion(index: var Index; turn: var Turn; outerValue: Value; delta:
|
|||
c.cache.incl(v)
|
||||
proc modLeaf(l: Leaf; v: Value) =
|
||||
l.cache.incl(v)
|
||||
proc modObserver(turn: var Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
proc modObserver(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
let change = group.cachedCaptures.change(vs, +1)
|
||||
if change == cdAbsentToPresent:
|
||||
for (observer, captureMap) in group.observers.pairs:
|
||||
|
|
@ -281,7 +281,7 @@ proc adjustAssertion(index: var Index; turn: var Turn; outerValue: Value; delta:
|
|||
c.cache.excl(v)
|
||||
proc modLeaf(l: Leaf; v: Value) =
|
||||
l.cache.excl(v)
|
||||
proc modObserver(turn: var Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
proc modObserver(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
if group.cachedCaptures.change(vs, -1) == cdPresentToAbsent:
|
||||
for (observer, captureMap) in group.observers.pairs:
|
||||
var h: Handle
|
||||
|
|
@ -293,12 +293,12 @@ proc adjustAssertion(index: var Index; turn: var Turn; outerValue: Value; delta:
|
|||
proc continuationNoop(c: Continuation; v: Value) = discard
|
||||
proc leafNoop(l: Leaf; v: Value) = discard
|
||||
|
||||
proc add*(index: var Index; turn: var Turn; v: Value): bool =
|
||||
proc add*(index: var Index; turn: Turn; v: Value): bool =
|
||||
adjustAssertion(index, turn, v, +1)
|
||||
proc remove*(index: var Index; turn: var Turn; v: Value): bool =
|
||||
proc remove*(index: var Index; turn: Turn; v: Value): bool =
|
||||
adjustAssertion(index, turn, v, -1)
|
||||
|
||||
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)
|
||||
proc deliverMessage*(index: var Index; turn: Turn; v: Value) =
|
||||
proc observersCb(turn: Turn; group: ObserverGroup; vs: seq[Value]) =
|
||||
for observer in group.observers.keys: message(turn, observer, vs.toPreserves)
|
||||
index.root.modify(turn, v, messageEvent, continuationNoop, leafNoop, observersCb)
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
# Package
|
||||
|
||||
version = "20240208"
|
||||
version = "20240210"
|
||||
author = "Emery Hemingway"
|
||||
description = "Syndicated actors for conversational concurrency"
|
||||
license = "Unlicense"
|
||||
|
|
@ -9,4 +9,4 @@ srcDir = "src"
|
|||
|
||||
# Dependencies
|
||||
|
||||
requires "https://github.com/ehmry/hashlib.git#f9455d4be988e14e3dc7933eb7cc7d7c4820b7ac", "nim >= 2.0.0", "https://git.syndicate-lang.org/ehmry/preserves-nim.git >= 20240208"
|
||||
requires "https://github.com/ehmry/hashlib.git >= 20231130", "nim >= 2.0.0", "https://git.syndicate-lang.org/ehmry/preserves-nim.git >= 20240208", "https://github.com/alaviss/nim-sys.git", "https://github.com/nim-works/cps"
|
||||
|
|
|
|||
|
|
@ -1,3 +1,7 @@
|
|||
include_rules
|
||||
NIM_FLAGS += --define:traceSyndicate
|
||||
: foreach *.prs |> !preserves_schema_nim |> | {schema}
|
||||
: foreach t*.nim | ../../preserves-nim/<tests> {schema} $(SYNDICATE_PROTOCOL) |> !nim_run |> | ../<test>
|
||||
|
||||
: test_timers.run |> SYNDICATE_TRACE_FILE=%o ./%f |> ./%B.trace.bin {bintrace}
|
||||
: foreach {bintrace} |> preserves-tool convert <%f >%o |> %B
|
||||
|
|
|
|||
|
|
@ -2,16 +2,40 @@
|
|||
# SPDX-License-Identifier: Unlicense
|
||||
|
||||
import std/times
|
||||
import syndicate, syndicate/actors/timers
|
||||
import pkg/cps
|
||||
import syndicate
|
||||
|
||||
# import syndicate/actors/timers
|
||||
|
||||
proc now: float64 = getTime().toUnixFloat()
|
||||
|
||||
runActor("test_timers") do (ds: Cap; turn: var Turn):
|
||||
onPublish(turn, ds, grab(LaterThan(seconds: now()+1.0))) do:
|
||||
stderr.writeLine "slept one second once"
|
||||
onPublish(turn, ds, grab(LaterThan(seconds: now()+1.0))) do:
|
||||
stderr.writeLine "slept one second twice"
|
||||
onPublish(turn, ds, grab(LaterThan(seconds: now()+1.0))) do:
|
||||
stderr.writeLine "slept one second thrice"
|
||||
quit()
|
||||
spawnTimers(turn, ds)
|
||||
proc main() {.syndicate.} =
|
||||
let ds = newDataspace()
|
||||
let h = publish(ds, "hello world!".toPreserves)
|
||||
message(ds, "hello world!".toPreserves)
|
||||
retract(h)
|
||||
sync(ds)
|
||||
|
||||
onStop:
|
||||
echo "onStop body is executing"
|
||||
|
||||
echo "stopping actor"
|
||||
stopActor()
|
||||
echo "actor stopped but still executing?"
|
||||
|
||||
#onMessage(ds, grab()) do (v: Value):
|
||||
# stderr.writeLine "observed message ", v
|
||||
|
||||
#[
|
||||
block:
|
||||
spawnTimers(ds)
|
||||
onPublish(ds, grab(LaterThan(seconds: now()+1.0))) do:
|
||||
stderr.writeLine "slept one second once"
|
||||
onPublish(ds, grab(LaterThan(seconds: now()+1.0))) do:
|
||||
stderr.writeLine "slept one second twice"
|
||||
onPublish(ds, grab(LaterThan(seconds: now()+1.0))) do:
|
||||
stderr.writeLine "slept one second thrice"
|
||||
stopActor()
|
||||
]#
|
||||
|
||||
bootActor("main", whelp main())
|
||||
|
|
|
|||
Loading…
Reference in New Issue