Refactoring: Create per-connection packet writers in QuicDispatcher.

net/tools/quic/quic_client.h

 // 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.
 //
 // A toy client, which connects to a specified port and sends QUIC
 // request to that endpoint.
 
 #ifndef NET_TOOLS_QUIC_QUIC_CLIENT_H_
 #define NET_TOOLS_QUIC_QUIC_CLIENT_H_
 
@@ skipping 170 matching lines @@
                          int buffer_len,
                          IPEndPoint* server_address,
                          IPAddressNumber* client_ip);
 
   EpollServer* epoll_server() { return epoll_server_; }
   QuicConfig* config() { return &config_; }
 
  private:
   friend class net::tools::test::QuicClientPeer;
 
+  // A packet writer factory that always returns the same writer
+  class DummyPacketWriterFactory : public QuicConnection::PacketWriterFactory {
+   public:
+    DummyPacketWriterFactory(QuicPacketWriter* writer);
+    virtual ~DummyPacketWriterFactory();
+
+    virtual QuicPacketWriter* Create(QuicConnection* connection) const OVERRIDE;
+
+   private:
+    QuicPacketWriter* writer_;
+  };
+
   // Used during initialization: creates the UDP socket FD, sets socket options,
   // and binds the socket to our address.
   bool CreateUDPSocket();
 
   // Read a UDP packet and hand it to the framer.
   bool ReadAndProcessPacket();
 
   // Address of the server.
   const IPEndPoint server_address_;
 
@@ skipping 53 matching lines @@
   // when the stream is closed (in OnClose).
   bool print_response_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicClient);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_CLIENT_H_