[Update] 捕捉异常

coco/models.py

@@ -125,7 +125,7 @@ class Client(object):
     def send(self, b):
         try:
             return self.chan.send(b)
-        except EOFError:
+        except (EOFError, OSError):
             return 0
 
     def send_unicode(self, s):

coco/session.py

@@ -166,10 +166,12 @@ class Session:
         self.sel.register(self.server, selectors.EVENT_READ)
         self.sel.register(self.stop_evt, selectors.EVENT_READ)
         self.sel.register(self.client.change_size_evt, selectors.EVENT_READ)
-        if self.client.closed:
-            return
         while not self.is_finished:
             events = self.sel.select(timeout=60)
+            if self.client.closed:
+                break
+            if self.server.closed:
+                break
             for sock in [key.fileobj for key, _ in events]:
                 data = sock.recv(BUF_SIZE)
                 if sock == self.server: