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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_H_
#define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_H_
#include "content/common/content_export.h"
#include "content/common/p2p_sockets.h"
#include "ipc/ipc_message.h"
#include "net/base/ip_endpoint.h"
namespace content {
// Base class for P2P sockets.
class CONTENT_EXPORT P2PSocketHost {
public:
// Creates P2PSocketHost of the specific type.
static P2PSocketHost* Create(IPC::Message::Sender* message_sender,
int routing_id, int id, P2PSocketType type);
virtual ~P2PSocketHost();
// Initalizes the socket. Returns false when initiazations fails.
virtual bool Init(const net::IPEndPoint& local_address,
const net::IPEndPoint& remote_address) = 0;
// Sends |data| on the socket to |to|.
virtual void Send(const net::IPEndPoint& to,
const std::vector<char>& data) = 0;
virtual P2PSocketHost* AcceptIncomingTcpConnection(
const net::IPEndPoint& remote_address, int id) = 0;
protected:
friend class P2PSocketHostTcpTest;
enum StunMessageType {
STUN_BINDING_REQUEST = 0x0001,
STUN_BINDING_RESPONSE = 0x0101,
STUN_BINDING_ERROR_RESPONSE = 0x0111,
STUN_SHARED_SECRET_REQUEST = 0x0002,
STUN_SHARED_SECRET_RESPONSE = 0x0102,
STUN_SHARED_SECRET_ERROR_RESPONSE = 0x0112,
STUN_ALLOCATE_REQUEST = 0x0003,
STUN_ALLOCATE_RESPONSE = 0x0103,
STUN_ALLOCATE_ERROR_RESPONSE = 0x0113,
STUN_SEND_REQUEST = 0x0004,
STUN_SEND_RESPONSE = 0x0104,
STUN_SEND_ERROR_RESPONSE = 0x0114,
STUN_DATA_INDICATION = 0x0115
};
enum State {
STATE_UNINITIALIZED,
STATE_CONNECTING,
STATE_OPEN,
STATE_ERROR,
};
P2PSocketHost(IPC::Message::Sender* message_sender, int routing_id, int id);
// Verifies that the packet |data| has a valid STUN header. In case
// of success stores type of the message in |type|.
static bool GetStunPacketType(const char* data, int data_size,
StunMessageType* type);
static bool IsRequestOrResponse(StunMessageType type);
IPC::Message::Sender* message_sender_;
int routing_id_;
int id_;
State state_;
DISALLOW_COPY_AND_ASSIGN(P2PSocketHost);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_H_
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