[WebSocket] Send a close frame when the renderer process is gone.

net/data/websocket/count-connection_wsh.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.

[Adam Rice, 2014/07/14 10:31:30]

Update copyright message.

Also, you need to add a short description of these files to the README file in
the same directory.

[yhirano, 2014/07/14 11:24:35]

Done.

 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import struct

[Adam Rice, 2014/07/14 10:31:31]

Not used.

[yhirano, 2014/07/14 11:24:36]

Done.

 
+numOpenConnections = 0
+numClosedConnections = 0
+
 from mod_pywebsocket import handshake

[Adam Rice, 2014/07/14 10:31:30]

Neither mod_pywebsocket import is used.

[yhirano, 2014/07/14 11:24:36]

Done.

 from mod_pywebsocket import stream
 
 
-def web_socket_do_extra_handshake(_request):
-  pass
+def web_socket_do_extra_handshake(request):
+  global numOpenConnections
+  numOpenConnections += 1
 
 
 def web_socket_transfer_data(request):
+  request.ws_stream.send_message('open: %d, closed: %d' %
+      (numOpenConnections, numClosedConnections), binary=False)
   # Just waiting...
   request.ws_stream.receive_message()
 
 
 def web_socket_passive_closing_handshake(request):
-  code = struct.pack('!H', 3004)
-  packet = stream.create_close_frame(code + 'split test'.encode('utf-8'))
-  request.connection.write(packet[:1])
-  request.connection.write(packet[1:])
-  raise handshake.AbortedByUserException('Abort the connection')
+  global numOpenConnections
+  global numClosedConnections
+  numOpenConnections -= 1
+  numClosedConnections += 1
+  return (1000, '')