| // 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 "net/base/ip_endpoint.h" |
| |
| namespace IPC { |
| class Sender; |
| } |
| |
| namespace net { |
| class URLRequestContextGetter; |
| } |
| |
| namespace content { |
| |
| // Base class for P2P sockets. |
| class CONTENT_EXPORT P2PSocketHost { |
| public: |
| static const int kStunHeaderSize = 20; |
| // Creates P2PSocketHost of the specific type. |
| static P2PSocketHost* Create(IPC::Sender* message_sender, |
| int id, P2PSocketType type, |
| net::URLRequestContextGetter* url_context); |
| |
| 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 P2PSocketHostTcpTestBase; |
| |
| 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::Sender* message_sender, 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::Sender* message_sender_; |
| int id_; |
| State state_; |
| |
| DISALLOW_COPY_AND_ASSIGN(P2PSocketHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_H_ |