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// Copyright (c) 2011 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 CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_UDP_H_
#define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_UDP_H_
#include <deque>
#include <set>
#include <vector>
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "content/browser/renderer_host/p2p/socket_host.h"
#include "content/common/content_export.h"
#include "content/common/p2p_sockets.h"
#include "ipc/ipc_sender.h"
#include "net/base/ip_endpoint.h"
#include "net/udp/udp_server_socket.h"
namespace content {
class CONTENT_EXPORT P2PSocketHostUdp : public P2PSocketHost {
public:
P2PSocketHostUdp(IPC::Sender* message_sender, int id);
virtual ~P2PSocketHostUdp();
// P2PSocketHost overrides.
virtual bool Init(const net::IPEndPoint& local_address,
const net::IPEndPoint& remote_address) OVERRIDE;
virtual void Send(const net::IPEndPoint& to,
const std::vector<char>& data) OVERRIDE;
virtual P2PSocketHost* AcceptIncomingTcpConnection(
const net::IPEndPoint& remote_address, int id) OVERRIDE;
private:
friend class P2PSocketHostUdpTest;
typedef std::set<net::IPEndPoint> ConnectedPeerSet;
struct PendingPacket {
PendingPacket(const net::IPEndPoint& to, const std::vector<char>& content);
~PendingPacket();
net::IPEndPoint to;
scoped_refptr<net::IOBuffer> data;
int size;
};
void OnError();
void DoRead();
void DoSend(const PendingPacket& packet);
void DidCompleteRead(int result);
// Callbacks for RecvFrom() and SendTo().
void OnRecv(int result);
void OnSend(int result);
scoped_ptr<net::DatagramServerSocket> socket_;
scoped_refptr<net::IOBuffer> recv_buffer_;
net::IPEndPoint recv_address_;
std::deque<PendingPacket> send_queue_;
int send_queue_bytes_;
bool send_pending_;
// Set of peer for which we have received STUN binding request or
// response or relay allocation request or response.
ConnectedPeerSet connected_peers_;
DISALLOW_COPY_AND_ASSIGN(P2PSocketHostUdp);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_UDP_H_
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