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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __RELAYPORT_H__
#define __RELAYPORT_H__
#include "talk/p2p/base/port.h"
#include "talk/p2p/base/stunrequest.h"
#include <vector>
namespace cricket {
extern const std::string RELAY_PORT_TYPE;
class RelayEntry;
// Communicates using an allocated port on the relay server.
class RelayPort: public Port {
public:
RelayPort(
Thread* thread, SocketFactory* factory, Network*,
const SocketAddress& local_addr,
const std::string& username, const std::string& password,
const std::string& magic_cookie);
virtual ~RelayPort();
void AddServerAddress(const ProtocolAddress& addr);
void AddExternalAddress(const ProtocolAddress& addr);
typedef std::pair<Socket::Option, int> OptionValue;
const std::vector<OptionValue>& options() const { return options_; }
const std::string& magic_cookie() const { return magic_cookie_; }
bool HasMagicCookie(const char* data, size_t size);
virtual void PrepareAddress();
virtual Connection* CreateConnection(const Candidate& address, CandidateOrigin origin);
virtual int SetOption(Socket::Option opt, int value);
virtual int GetError();
const ProtocolAddress * ServerAddress(size_t index) const;
void DisposeSocket(AsyncPacketSocket * socket);
protected:
void SetReady();
virtual int SendTo(const void* data, size_t size, const SocketAddress& addr, bool payload);
virtual void OnMessage(Message *pmsg);
// Dispatches the given packet to the port or connection as appropriate.
void OnReadPacket(
const char* data, size_t size, const SocketAddress& remote_addr);
private:
friend class RelayEntry;
SocketAddress local_addr_;
std::deque<ProtocolAddress> server_addr_;
bool ready_;
std::vector<RelayEntry*> entries_;
std::vector<OptionValue> options_;
std::string magic_cookie_;
int error_;
};
} // namespace cricket
#endif // __RELAYPORT_H__
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