show exception peer name

shadowsocks/tcprelay.py

@@ -768,12 +768,22 @@ class TCPRelayHandler(object):
         logging.debug('got local error')
         if self._local_sock:
             logging.error(eventloop.get_sock_error(self._local_sock))
+            try:
+                addr = self._local_sock.getpeername()[:2]
+                logging.error('local exception peer name %s:%d' % (addr[0], addr[1]))
+            except:
+                pass
         self.destroy()
 
     def _on_remote_error(self):
         logging.debug('got remote error')
         if self._remote_sock:
             logging.error(eventloop.get_sock_error(self._remote_sock))
+            try:
+                addr = self._remote_sock.getpeername()[:2]
+                logging.error('remote exception peer name %s:%d' % (addr[0], addr[1]))
+            except:
+                pass
         self.destroy()
 
     def handle_event(self, sock, event):