jschoubben
ca6d8cd8eb
Builds: design 47 G A-116 (§636, §616) Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
57 lines
2.0 KiB
Go
57 lines
2.0 KiB
Go
// route-provider: route-proxy's Go half, one binary the node's runtime launches and speaks MCP to over stdio
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// through the Go SDK. It runs the SDK's provider helper that answers the consumers of `route` (issue 792), and serves
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// the module's tools, which read what the proxy keeps on the bus (issue 774, tools.go).
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//
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// stdout is the MCP channel, so everything this module says, it says on stderr.
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package main
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import (
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"context"
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"fmt"
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"os"
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"time"
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"git.novox.be/novox/mesh-contracts/provisioning/go/clients/meshprovisionerclient/provider"
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meshprovisioner "git.novox.be/novox/mesh-contracts/provisioning/go/seats/meshprovisioner"
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stdio "git.novox.be/novox/mesh-sdk/go"
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"git.novox.be/novox/mesh-sdk/go/busretry"
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"git.novox.be/novox/mesh-sdk/go/seatlist"
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"route-proxy/contract"
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)
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func say(format string, args ...any) {
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fmt.Fprintf(os.Stderr, "[route-proxy] "+format+"\n", args...)
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}
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func main() {
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node := os.Getenv("MESH_NODE")
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if node == "" {
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say("MESH_NODE is not set; answering no consumers")
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} else {
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go func() {
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// The helper's watches go through the runtime's channel, which Serve holds: one asked before it does is
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// refused ("before Serve"), Run returns and the helper stays stopped until the process restarts.
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<-stdio.Served()
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// The holder of the seat mesh-provisioner is read from the seat that places modules, not named here (A-116).
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holder, err := busretry.DoRepeatable("who holds "+meshprovisioner.Seat, func() (string, error) {
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return seatlist.HolderOf(stdio.Ask, meshprovisioner.Seat)
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}, nil)
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if err != nil {
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say("the provider helper cannot start: %v", err)
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return
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}
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p := newProvider(node, holder, provider.StateBus(ModuleName, holder), say)
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if err := p.Run(context.Background()); err != nil {
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say("the provider helper stopped: %v", err)
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}
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}()
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}
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tools := front{routes: stdio.State(contract.RoutesState), unrouted: stdio.State(contract.UnroutedState),
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now: time.Now}.tools()
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if err := stdio.Serve("", tools); err != nil {
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say("%v", err)
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os.Exit(1)
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}
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}
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