wait for two times the advertised idle interval before closing connection

Author: grs

lib/connection.js

@@ -515,7 +515,7 @@ Connection.prototype.output = function () {
                 this.heartbeat_out = setTimeout(this._write_frame.bind(this), this.remote.open.idle_time_out / 2);
             }
             if (this.local.open.idle_time_out && this.heartbeat_in === undefined) {
-                this.heartbeat_in = setTimeout(this.idle.bind(this), this.local.open.idle_time_out);
+                this.heartbeat_in = setTimeout(this.idle.bind(this), this.local.open.idle_time_out * 2);
             }
         }
     } catch (e) {
@@ -577,7 +577,7 @@ Connection.prototype.input = function (buff) {
                 this.previous_input = previous_input;
             }
         }
-        if (this.local.open.idle_time_out) this.heartbeat_in = setTimeout(this.idle.bind(this), this.local.open.idle_time_out);
+        if (this.local.open.idle_time_out) this.heartbeat_in = setTimeout(this.idle.bind(this), this.local.open.idle_time_out * 2);
         if (this.transport.has_writes_pending()) {
             this.output();
         } else if (this.is_closed() && this.state.has_settled()) {