1f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch/* 2f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * libjingle 3f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Copyright 2004--2005, Google Inc. 4f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 5f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * Redistribution and use in source and binary forms, with or without 6f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * modification, are permitted provided that the following conditions are met: 7f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 8f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 1. Redistributions of source code must retain the above copyright notice, 9f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer. 10f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 2. Redistributions in binary form must reproduce the above copyright notice, 11f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * this list of conditions and the following disclaimer in the documentation 12f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * and/or other materials provided with the distribution. 13f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 3. The name of the author may not be used to endorse or promote products 14f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * derived from this software without specific prior written permission. 15f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * 16f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch */ 27f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 28f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/p2p/base/udpport.h" 29f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 30dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen#include "talk/base/asyncpacketsocket.h" 31f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/base/logging.h" 32f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch#include "talk/p2p/base/common.h" 33f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 34f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochnamespace cricket { 35f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 36f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochconst std::string LOCAL_PORT_TYPE("local"); 37f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 38dc0f95d653279beabeb9817299e2902918ba123eKristian MonsenUDPPort::UDPPort(talk_base::Thread* thread, 39dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen talk_base::PacketSocketFactory* factory, 40dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen talk_base::Network* network, 41dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen uint32 ip, int min_port, int max_port) 42dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen : Port(thread, LOCAL_PORT_TYPE, factory, network, ip, min_port, max_port), 43dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen socket_(NULL), 44dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen error_(0) { 45f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 46f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 47dc0f95d653279beabeb9817299e2902918ba123eKristian Monsenbool UDPPort::Init() { 48dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen socket_ = factory_->CreateUdpSocket( 49dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen talk_base::SocketAddress(ip_, 0), min_port_, max_port_); 50f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (!socket_) { 51f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch LOG_J(LS_WARNING, this) << "UDP socket creation failed"; 52f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return false; 53f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 54f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch socket_->SignalReadPacket.connect(this, &UDPPort::OnReadPacket); 55f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return true; 56f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 57f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 58f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen MurdochUDPPort::~UDPPort() { 59f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch delete socket_; 60f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 61f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 62f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochvoid UDPPort::PrepareAddress() { 63dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen bool allocated; 64dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen talk_base::SocketAddress address = socket_->GetLocalAddress(&allocated); 65dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen if (allocated) { 66dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen AddAddress(address, "udp", true); 67dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen } else { 68dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen socket_->SignalAddressReady.connect(this, &UDPPort::OnAddresReady); 69dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen } 70f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 71f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 72f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen MurdochConnection* UDPPort::CreateConnection(const Candidate& address, 73f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch CandidateOrigin origin) { 74f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (address.protocol() != "udp") 75f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return NULL; 76f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 77f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch Connection* conn = new ProxyConnection(this, 0, address); 78f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch AddConnection(conn); 79f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return conn; 80f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 81f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 82f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochint UDPPort::SendTo(const void* data, size_t size, 83f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch const talk_base::SocketAddress& addr, bool payload) { 84f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch int sent = socket_->SendTo(data, size, addr); 85f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (sent < 0) { 86f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch error_ = socket_->GetError(); 87f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch LOG_J(LS_ERROR, this) << "UDP send of " << size 88f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch << " bytes failed with error " << error_; 89dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen } 90f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return sent; 91f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 92f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 93f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochint UDPPort::SetOption(talk_base::Socket::Option opt, int value) { 94f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return socket_->SetOption(opt, value); 95f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 96f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 97f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochint UDPPort::GetError() { 98f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch return error_; 99f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 100f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 101dc0f95d653279beabeb9817299e2902918ba123eKristian Monsenvoid UDPPort::OnAddresReady(talk_base::AsyncPacketSocket* socket, 102dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen const talk_base::SocketAddress& address) { 103dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen AddAddress(address, "udp", true); 104dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen} 105dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen 106f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdochvoid UDPPort::OnReadPacket( 107dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen talk_base::AsyncPacketSocket* socket, const char* data, size_t size, 108dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen const talk_base::SocketAddress& remote_addr) { 109f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch ASSERT(socket == socket_); 110f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch if (Connection* conn = GetConnection(remote_addr)) { 111f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch conn->OnReadPacket(data, size); 112f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } else { 113f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch Port::OnReadPacket(data, size, remote_addr); 114f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch } 115f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} 116f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch 117f74420b3285b9fe04a7e00aa3b8c0ab07ea344bcBen Murdoch} // namespace cricket 118