minor fixes

libmproxy/protocol2/http.py

@@ -268,10 +268,13 @@ class HttpLayer(Layer):
                     return
 
             except (HttpErrorConnClosed, NetLibError, HttpError, ProtocolException) as e:
-                self.send_to_client(make_error_response(
-                    getattr(e, "code", 502),
-                    repr(e)
-                ))
+                try:
+                    self.send_to_client(make_error_response(
+                        getattr(e, "code", 502),
+                        repr(e)
+                    ))
+                except NetLibError:
+                    pass
                 if isinstance(e, ProtocolException):
                     raise e
                 else:

libmproxy/proxy/server.py

@@ -100,6 +100,8 @@ class ConnectionHandler2:
             print("mitmproxy has crashed!", file=sys.stderr)
             print("Please lodge a bug report at: https://github.com/mitmproxy/mitmproxy", file=sys.stderr)
 
+        self.log("clientdisconnect", "info")
+
     def finish(self):
         self.client_conn.finish()