Do not specify "src" in Direnv Nix expression

README.md

@@ -28,7 +28,6 @@ Example configuration:
     $cap <cache { dataspace: $nixspace lifetime: 3600.0 }> ]
 ]
 ```
-
 ### File System Usage
 
 Summarize the size of file-system directory. Equivalent to `du -s -b`.
@@ -245,8 +244,32 @@ Sample Syndicate server script:
 
 ## msg
 
-A utility that parses its command-line arguments as Preserves and send them as messages to `$SYNDICATE_ROUTE`.
-When called as `assert` (by a symlink or a rename) it will make assertions instead.
+A utility that sends messages to `$SYNDICATE_ROUTE`.
+
+
+## net_mapper
+
+Publishes ICMP packet round-trip-times. See [net_mapper.prs](./net_mapper.prs) for a protocol description. [Source](./src/net_mapper.nim).
+
+Example script:
+```
+? <machine-dataspace ?machine> [
+  $machine ? <rtt "10.0.33.136" ?min ?avg ?max> [
+    $log ! <log "-" { ping: { min: $min avg: $avg max: $max } }>
+  ]
+
+  $config [
+    <require-service <daemon net_mapper>>
+    <daemon net_mapper {
+      argv: ["/bin/net_mapper"]
+      protocol: application/syndicate
+    }>
+    ? <service-object <daemon net_mapper> ?cap> [
+      $cap { dataspace: $machine }
+    ]
+  ]
+]
+```
 
 ## PostgreSQL
 

src/Tupfile

@@ -1,5 +1,4 @@
 include_rules
 : foreach *.nim | $(SYNDICATE_PROTOCOL) ./<schema> |> !nim_bin |> {bin}
 : foreach {bin} |> !assert_built |>
-: $(BIN_DIR)/msg |> !symlink |> $(BIN_DIR)/beep
-: $(BIN_DIR)/msg |> !symlink |> $(BIN_DIR)/assert
+: $(BIN_DIR)/msg |> cp %f %o |> $(BIN_DIR)/beep

src/msg.nim

@@ -1,22 +1,20 @@
 # SPDX-FileCopyrightText: ☭ Emery Hemingway
 # SPDX-License-Identifier: Unlicense
 
-import std/[sequtils, os, strutils]
+import std/[asyncdispatch, sequtils, os]
 import preserves, syndicate, syndicate/relays
 
-setControlCHook(proc () {.noconv.} = quit())
-
-runActor("msg") do (turn: var Turn):
+proc main =
   let
+    route = envRoute()
     data = map(commandLineParams(), parsePreserves)
-    cmd = paramStr(0).extractFilename.normalize
-  resolveEnvironment(turn) do (turn: var Turn; ds: Cap):
-    case cmd
-    of "assert":
-      for e in data:
-        publish(turn, ds, e)
-    else: # "msg"
+
+  discard bootDataspace("msg") do (turn: var Turn; root: Cap):
+    spawnRelays(turn, root)
+    resolve(turn, root, route) do (turn: var Turn; ds: Cap):
       for e in data:
         message(turn, ds, e)
-      sync(turn, ds) do (turn: var Turn):
-        stopActor(turn)
+
+  for _ in 1..2: poll()
+
+main()

syndicate_utils.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version = "20240407"
+version = "20240405"
 author        = "Emery Hemingway"
 description   = "Utilites for Syndicated Actors and Synit"
 license       = "unlicense"