ce7cb702218693d08ea6d83464d2457c9250027c

services/codex-bridge/main.go

@@ -0,0 +1,61 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"flag"
+	"log"
+	"net"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+)
+
+type bridge struct {
+	binary string
+	dir    string
+	mcpURL string
+}
+
+func main() {
+	if err := run(); err != nil {
+		log.Print(err)
+		os.Exit(1)
+	}
+}
+
+func run() error {
+	b := &bridge{}
+	addr := flag.String("listen", "127.0.0.1:8080", "HTTP listen address")
+	flag.StringVar(&b.binary, "codex", "codex", "Codex executable")
+	flag.StringVar(&b.dir, "workdir", ".", "Codex working directory")
+	flag.StringVar(&b.mcpURL, "mcp-url", "", "AgentGateway MCP endpoint; otherwise use Codex configuration")
+	flag.Parse()
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+	s := &http.Server{Addr: *addr, Handler: b.handler(), ReadHeaderTimeout: 10 * time.Second, BaseContext: func(net.Listener) context.Context { return ctx }}
+	stopped := make(chan error, 1)
+	go func() { stopped <- s.ListenAndServe() }()
+	var serveErr error
+	select {
+	case err := <-stopped:
+		if !errors.Is(err, http.ErrServerClosed) {
+			serveErr = err
+		}
+	case <-ctx.Done():
+	}
+	stop()
+	shutdown, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	return errors.Join(serveErr, s.Shutdown(shutdown))
+}
+
+func (b *bridge) handler() http.Handler {
+	mux := http.NewServeMux()
+	mux.HandleFunc("GET /healthz", func(w http.ResponseWriter, _ *http.Request) { w.WriteHeader(http.StatusOK) })
+	mux.HandleFunc("GET /v1/models", b.models)
+	mux.HandleFunc("POST /v1/chat/completions", b.chat)
+	return mux
+}