Merge branch 'y/ssl-EOF-1.12' into pynext

* y/ssl-EOF-1.12:
  ssl: Don't ignore non-ragged EOF

neo/lib/connector.py

@@ -278,7 +278,12 @@ class _SSL:
     def receive(self, read_buf):
         try:
             while 1:
-                read_buf.append(self.socket.recv(4096))
+                data = self.socket.recv(4096)
+                if data == b'':
+                    # non-ragged EOF (peer properly closed its side of connection)
+                    self._error('recv', None)
+                    return
+                read_buf.append(data)
         except ssl.SSLWantReadError:
             pass
         except socket.error, e: