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claude-timemachine 41a7e39754
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rename: bridges/valves → tunnels (one term across types + API + UI)
API shape:
  GET /api/connections → GET /api/tunnels
  body: {"connections": […]} → {"tunnels": […]}

Type rename (package stays "bridge" — internal):
  Valve         → Listener
  clientBridge  → tunnel
  ConnSnapshot  → TunnelSnapshot

Log messages mirror the new vocab ("listener open/close", "tunnel
open/idle evict/forward failed"). UI header is now "Active tunnels"
and the empty state reads "no active tunnels".

server-manager's dashboard polls /infra/svc-proxy/api/tunnels and
shows "N tunnels" on the svc-proxy infra card.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-06-10 18:48:17 +02:00

79 lines
1.9 KiB
Go

// Package httpsrv exposes the svc-proxy operator UI + JSON API. Designed to
// be reverse-proxied behind server-manager (no auth/TLS at this layer; the
// listener should bind to the container network only).
package httpsrv
import (
"context"
"embed"
"encoding/json"
"errors"
"io/fs"
"log/slog"
"net/http"
"sort"
"time"
"git.timemachine.center/timemachine/svc-proxy/internal/bridge"
)
//go:embed static/*
var staticFS embed.FS
type Server struct {
addr string
mgr *bridge.Manager
bus *LogBus
srv *http.Server
}
func New(addr string, mgr *bridge.Manager, bus *LogBus) *Server {
mux := http.NewServeMux()
s := &Server{
addr: addr,
mgr: mgr,
bus: bus,
}
sub, err := fs.Sub(staticFS, "static")
if err != nil {
panic(err) // embed.FS misconfigured at build time
}
mux.Handle("GET /", http.FileServer(http.FS(sub)))
mux.HandleFunc("GET /api/tunnels", s.handleTunnels)
mux.HandleFunc("GET /api/logs", sseLogs(bus))
s.srv = &http.Server{
Addr: addr,
Handler: mux,
ReadHeaderTimeout: 5 * time.Second,
}
return s
}
// Run blocks until ctx is cancelled or the server errors.
func (s *Server) Run(ctx context.Context) error {
go func() {
<-ctx.Done()
shutCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
_ = s.srv.Shutdown(shutCtx)
}()
slog.Info("http server listening", "addr", s.addr)
if err := s.srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
return err
}
return nil
}
func (s *Server) handleTunnels(w http.ResponseWriter, _ *http.Request) {
snap := s.mgr.Snapshot()
// Sort by most-recently-active first so the UI can render top-down.
sort.Slice(snap, func(i, j int) bool { return snap[i].LastSeen.After(snap[j].LastSeen) })
w.Header().Set("Content-Type", "application/json")
_ = json.NewEncoder(w).Encode(map[string]any{
"tunnels": snap,
"at": time.Now(),
})
}