some incremetal changes

server-ctl.go

@@ -1,13 +1,80 @@
 package hodu
 
+import "encoding/json"
 import "net/http"
 
-type server_ctl_client_conns struct {
+
+type json_out_server_conn struct {
+	Id uint32 `json:"id"`
+	ServerAddr string `json:"server-addr"`
+	ClientAddr string `json:"client-addr"`
+	Routes []json_out_server_route `json:"routes"`
+}
+
+type json_out_server_route struct {
+	Id uint32 `json:"id"`
+	ClientPeerAddr string `json:"client-peer-addr"`
+	ServerPeerListenAddr string `json:"server-peer-listen-addr"`
+}
+
+// ------------------------------------
+
+type server_ctl_server_conns struct {
 	s *Server
 }
 
 // ------------------------------------
 
-func (ctl *server_ctl_client_conns) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	w.Write([]byte("hello"))
+func (ctl *server_ctl_server_conns) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	var s *Server
+	var status_code int
+	var err error
+	var je *json.Encoder
+
+	s = ctl.s
+	je = json.NewEncoder(w)
+
+	switch req.Method {
+		case http.MethodGet:
+			var cts *ServerConn
+			var js []json_out_server_conn
+
+			js = make([]json_out_server_conn, 0)
+			s.cts_mtx.Lock()
+			for _, cts = range s.cts_map {
+				var r *ServerRoute
+				var jsp []json_out_server_route
+
+				jsp = make([]json_out_server_route, 0)
+				cts.route_mtx.Lock()
+				for _, r = range cts.route_map {
+					jsp = append(jsp, json_out_server_route{
+						Id: r.id,
+						ClientPeerAddr: r.ptc_addr,
+						ServerPeerListenAddr: r.laddr.String(),
+					})
+				}
+				js = append(js, json_out_server_conn{Id: cts.id, ClientAddr: cts.caddr.String(), ServerAddr: cts.local_addr.String(), Routes: jsp})
+				cts.route_mtx.Unlock()
+			}
+			s.cts_mtx.Unlock()
+
+			status_code = http.StatusOK; w.WriteHeader(status_code)
+			if err = je.Encode(js); err != nil { goto oops }
+
+		case http.MethodDelete:
+//	TODO		s.ReqStopAllServerConns()
+			status_code = http.StatusNoContent; w.WriteHeader(status_code)
+
+		default:
+			status_code = http.StatusBadRequest; w.WriteHeader(status_code)
+	}
+
+//done:
+	s.log.Write("", LOG_DEBUG, "[%s] %s %s %d", req.RemoteAddr, req.Method, req.URL.String(), status_code) // TODO: time taken
+	return
+
+oops:
+	s.log.Write("", LOG_ERROR, "[%s] %s %s - %s", req.RemoteAddr, req.Method, req.URL.String(), err.Error())
+	return
 }