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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 TALK_P2P_BASE_UDPPORT_H_
#define TALK_P2P_BASE_UDPPORT_H_
#include <string>
#include "talk/p2p/base/port.h"
namespace talk_base {
class Thread;
class Network;
class SocketAddress;
}
namespace cricket {
extern const std::string LOCAL_PORT_TYPE; // type of UDP ports
// Communicates using a local UDP port.
class UDPPort : public Port {
public:
static UDPPort* Create(talk_base::Thread* thread,
talk_base::PacketSocketFactory* factory,
talk_base::Network* network,
uint32 ip, int min_port, int max_port) {
UDPPort* port = new UDPPort(thread, factory, network,
ip, min_port, max_port);
if (!port->Init()) {
delete port;
port = NULL;
}
return port;
}
virtual ~UDPPort();
virtual void PrepareAddress();
virtual Connection* CreateConnection(const Candidate& address,
CandidateOrigin origin);
virtual int SetOption(talk_base::Socket::Option opt, int value);
virtual int GetError();
protected:
UDPPort(talk_base::Thread* thread, talk_base::PacketSocketFactory* factory,
talk_base::Network* network, uint32 ip, int min_port, int max_port);
bool Init();
// Handles sending using the local UDP socket.
virtual int SendTo(const void* data, size_t size,
const talk_base::SocketAddress& remote_addr, bool payload);
void OnAddressReady(talk_base::AsyncPacketSocket* socket,
const talk_base::SocketAddress& address);
// Dispatches the given packet to the port or connection as appropriate.
void OnReadPacket(talk_base::AsyncPacketSocket* socket,
const char* data, size_t size,
const talk_base::SocketAddress& remote_addr);
private:
talk_base::AsyncPacketSocket* socket_;
int error_;
};
} // namespace cricket
#endif // TALK_P2P_BASE_UDPPORT_H_