Refactor QuicConnection to use explicit notification for getting onto

net/tools/quic/quic_client.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/tools/quic/quic_client.h"
 
 #include <errno.h>
 #include <netinet/in.h>
 #include <string.h>
 #include <sys/epoll.h>
@@ skipping 221 matching lines @@
 }
 
 void QuicClient::OnEvent(int fd, EpollEvent* event) {
   DCHECK_EQ(fd, fd_);
 
   if (event->in_events & EPOLLIN) {
     while (connected() && ReadAndProcessPacket()) {
     }
   }
   if (connected() && (event->in_events & EPOLLOUT)) {
+    writer_->SetWritable();
     session_->connection()->OnCanWrite();
   }
   if (event->in_events & EPOLLERR) {
     DVLOG(1) << "Epollerr";
   }
 }
 
 void QuicClient::OnClose(QuicDataStream* stream) {
   QuicSpdyClientStream* client_stream =
       static_cast<QuicSpdyClientStream*>(stream);
@@ skipping 60 matching lines @@
   QuicEncryptedPacket packet(buf, bytes_read, false);
 
   IPEndPoint client_address(client_ip, client_address_.port());
   session_->connection()->ProcessUdpPacket(
       client_address, server_address, packet);
   return true;
 }
 
 }  // namespace tools
 }  // namespace net