diff options
Diffstat (limited to 'Plugins/jingle/libjingle/talk/p2p/base/stunport.h')
-rw-r--r-- | Plugins/jingle/libjingle/talk/p2p/base/stunport.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/Plugins/jingle/libjingle/talk/p2p/base/stunport.h b/Plugins/jingle/libjingle/talk/p2p/base/stunport.h new file mode 100644 index 0000000..4b62181 --- /dev/null +++ b/Plugins/jingle/libjingle/talk/p2p/base/stunport.h @@ -0,0 +1,94 @@ +/* + * 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 __STUNPORT_H__ +#define __STUNPORT_H__ + +#include "talk/base/asyncudpsocket.h" +#include "talk/p2p/base/udpport.h" +#include "talk/p2p/base/stunrequest.h" + +namespace cricket { + +extern const std::string STUN_PORT_TYPE; + +// Communicates using the address on the outside of a NAT. +class StunPort : public UDPPort { +public: + StunPort(talk_base::Thread* thread, talk_base::SocketFactory* factory, + talk_base::Network* network, + const talk_base::SocketAddress& local_addr, + const talk_base::SocketAddress& server_addr); + virtual ~StunPort(); + + const talk_base::SocketAddress& server_addr() const { return server_addr_; } + void set_server_addr(const talk_base::SocketAddress& addr) + { server_addr_ = addr; } + + const talk_base::SocketAddress& server_addr2() const { return server_addr2_; } + void set_server_addr2(const talk_base::SocketAddress& addr) + { server_addr2_ = addr; } + + virtual void PrepareAddress(); + + // This will contact the secondary server and signal another candidate + // address for this port (which may be the same as the first address). + void PrepareSecondaryAddress(); + + talk_base::SocketAddress GetLocalAddress() const { + if (socket_) + return socket_->GetLocalAddress(); + return talk_base::SocketAddress(); + } + + virtual int SetOption(talk_base::Socket::Option opt, int value); + virtual int GetError(); + +protected: + virtual int SendTo(const void* data, size_t size, + const talk_base::SocketAddress& addr, bool payload); + + void OnReadPacket( + const char* data, size_t size, const talk_base::SocketAddress& remote_addr, + talk_base::AsyncPacketSocket* socket); + +private: + talk_base::AsyncPacketSocket* socket_; + talk_base::SocketAddress server_addr_; + talk_base::SocketAddress server_addr2_; + StunRequestManager requests_; + int error_; + + friend class StunPortBindingRequest; + + // Sends STUN requests to the server. + void OnSendPacket(const void* data, size_t size, StunRequest* req); +}; + +} // namespace cricket + +#endif // __STUNPORT_H__ |