Cast: Increase UDP socket send buffer size

media/cast/net/udp_transport.h

 // Copyright 2014 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.
 
 #ifndef MEDIA_CAST_NET_UDP_TRANSPORT_H_
 #define MEDIA_CAST_NET_UDP_TRANSPORT_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 17 matching lines @@
 class UdpTransport : public PacketSender {
  public:
   // Construct a UDP transport.
   // All methods must be called on |io_thread_proxy|.
   // |local_end_point| specifies the address and port to bind and listen
   // to incoming packets. If the value is 0.0.0.0:0 then a bind is not
   // performed.
   // |remote_end_point| specifies the address and port to send packets
   // to. If the value is 0.0.0.0:0 the the end point is set to the source
   // address of the first packet received.
+  // |send_buffer_size| specifies the size of the socket send buffer.
   UdpTransport(
       net::NetLog* net_log,
       const scoped_refptr<base::SingleThreadTaskRunner>& io_thread_proxy,
       const net::IPEndPoint& local_end_point,
       const net::IPEndPoint& remote_end_point,
+      int32 send_buffer_size,
       const CastTransportStatusCallback& status_callback);
   virtual ~UdpTransport();
 
   // Start receiving packets. Packets are submitted to |packet_receiver|.
   void StartReceiving(const PacketReceiverCallback& packet_receiver);
 
   // Set a new DSCP value to the socket. The value will be set right before
   // the next send.
   void SetDscp(net::DiffServCodePoint dscp);
 
@@ skipping 22 matching lines @@
   net::IPEndPoint remote_addr_;
   const scoped_ptr<net::UDPSocket> udp_socket_;
   bool send_pending_;
   bool receive_pending_;
   bool client_connected_;
   net::DiffServCodePoint next_dscp_value_;
   scoped_ptr<Packet> next_packet_;
   scoped_refptr<net::WrappedIOBuffer> recv_buf_;
   net::IPEndPoint recv_addr_;
   PacketReceiverCallback packet_receiver_;
+  int32 send_buffer_size_;
   const CastTransportStatusCallback status_callback_;
   int bytes_sent_;
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<UdpTransport> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UdpTransport);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_NET_UDP_TRANSPORT_H_