10e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org/* 20e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * libjingle 30e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * Copyright 2004--2005, Google Inc. 40e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 50e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * Redistribution and use in source and binary forms, with or without 60e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * modification, are permitted provided that the following conditions are met: 70e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 80e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 1. Redistributions of source code must retain the above copyright notice, 90e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * this list of conditions and the following disclaimer. 100e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 2. Redistributions in binary form must reproduce the above copyright notice, 110e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * this list of conditions and the following disclaimer in the documentation 120e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * and/or other materials provided with the distribution. 130e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 3. The name of the author may not be used to endorse or promote products 140e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * derived from this software without specific prior written permission. 150e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * 160e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 170e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 180e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 190e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 200e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 210e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 220e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 230e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 240e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 250e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 260e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org */ 270e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 280e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/p2p/base/rawtransportchannel.h" 290e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 300e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include <string> 310e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include <vector> 320e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/base/common.h" 330e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/p2p/base/constants.h" 340e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/p2p/base/portallocator.h" 350e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/p2p/base/portinterface.h" 360e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/p2p/base/rawtransport.h" 370e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/p2p/base/relayport.h" 380e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/p2p/base/sessionmanager.h" 390e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/p2p/base/stunport.h" 400e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/xmllite/qname.h" 410e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/xmllite/xmlelement.h" 420e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#include "talk/xmpp/constants.h" 430e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 440e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#if defined(FEATURE_ENABLE_PSTN) 450e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 460e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgnamespace { 470e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 480e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgconst uint32 MSG_DESTROY_UNUSED_PORTS = 1; 490e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 500e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} // namespace 510e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 520e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgnamespace cricket { 530e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 540e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgRawTransportChannel::RawTransportChannel(const std::string& content_name, 550e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org int component, 560e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org RawTransport* transport, 570e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org talk_base::Thread *worker_thread, 580e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org PortAllocator *allocator) 590e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org : TransportChannelImpl(content_name, component), 600e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org raw_transport_(transport), 610e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_(allocator), 620e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_session_(NULL), 630e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org stun_port_(NULL), 640e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org relay_port_(NULL), 650e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org port_(NULL), 660e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org use_relay_(false) { 670e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (worker_thread == NULL) 680e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org worker_thread_ = raw_transport_->worker_thread(); 690e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org else 700e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org worker_thread_ = worker_thread; 710e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 720e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 730e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgRawTransportChannel::~RawTransportChannel() { 740e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org delete allocator_session_; 750e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 760e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 77391247d05a663265807c400947ab6eb01ae3d690mallinath@webrtc.orgint RawTransportChannel::SendPacket(const char *data, size_t size, 78f5e5b3a9ce372d0e3cc594bf0036dda64a57d81dmallinath@webrtc.org const talk_base::PacketOptions& options, 79391247d05a663265807c400947ab6eb01ae3d690mallinath@webrtc.org int flags) { 800e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (port_ == NULL) 810e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return -1; 820e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (remote_address_.IsNil()) 830e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return -1; 840e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (flags != 0) 850e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return -1; 86f5e5b3a9ce372d0e3cc594bf0036dda64a57d81dmallinath@webrtc.org return port_->SendTo(data, size, remote_address_, options, true); 870e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 880e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 890e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgint RawTransportChannel::SetOption(talk_base::Socket::Option opt, int value) { 900e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // TODO: allow these to be set before we have a port 910e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (port_ == NULL) 920e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return -1; 930e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return port_->SetOption(opt, value); 940e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 950e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 960e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgint RawTransportChannel::GetError() { 970e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return (port_ != NULL) ? port_->GetError() : 0; 980e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 990e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1000e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::Connect() { 1010e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Create an allocator that only returns stun and relay ports. 1020e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Use empty string for ufrag and pwd here. There won't be any STUN or relay 1030e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // interactions when using RawTC. 1040e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // TODO: Change raw to only use local udp ports. 1050e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_session_ = allocator_->CreateSession( 1060e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SessionId(), content_name(), component(), "", ""); 1070e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1080e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org uint32 flags = PORTALLOCATOR_DISABLE_UDP | PORTALLOCATOR_DISABLE_TCP; 1090e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1100e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#if !defined(FEATURE_ENABLE_STUN_CLASSIFICATION) 1110e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org flags |= PORTALLOCATOR_DISABLE_RELAY; 1120e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#endif 1130e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_session_->set_flags(flags); 1140e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_session_->SignalPortReady.connect( 1150e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org this, &RawTransportChannel::OnPortReady); 1160e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_session_->SignalCandidatesReady.connect( 1170e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org this, &RawTransportChannel::OnCandidatesReady); 1180e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1190e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // The initial ports will include stun. 1200e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_session_->StartGettingPorts(); 1210e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 1220e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1230e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::Reset() { 1240e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org set_readable(false); 1250e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org set_writable(false); 1260e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1270e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org delete allocator_session_; 1280e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1290e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_session_ = NULL; 1300e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org stun_port_ = NULL; 1310e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org relay_port_ = NULL; 1320e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org port_ = NULL; 1330e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org remote_address_ = talk_base::SocketAddress(); 1340e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 1350e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1360e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::OnCandidate(const Candidate& candidate) { 1370e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org remote_address_ = candidate.address(); 1380e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(!remote_address_.IsNil()); 1390e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org set_readable(true); 1400e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1410e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // We can write once we have a port and a remote address. 1420e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (port_ != NULL) 1430e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SetWritable(); 1440e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 1450e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1460e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::OnRemoteAddress( 1470e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const talk_base::SocketAddress& remote_address) { 1480e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org remote_address_ = remote_address; 1490e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org set_readable(true); 1500e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1510e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (port_ != NULL) 1520e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SetWritable(); 1530e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 1540e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1550e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// Note about stun classification 1560e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// Code to classify our NAT type and use the relay port if we are behind an 1570e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// asymmetric NAT is under a FEATURE_ENABLE_STUN_CLASSIFICATION #define. 1580e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// To turn this one we will have to enable a second stun address and make sure 1590e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// that the relay server works for raw UDP. 1600e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// 1610e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// Another option is to classify the NAT type early and not offer the raw 1620e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org// transport type at all if we can't support it. 1630e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1640e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::OnPortReady( 1650e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org PortAllocatorSession* session, PortInterface* port) { 1660e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(session == allocator_session_); 1670e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1680e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (port->Type() == STUN_PORT_TYPE) { 1690e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org stun_port_ = static_cast<StunPort*>(port); 1700e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else if (port->Type() == RELAY_PORT_TYPE) { 1710e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org relay_port_ = static_cast<RelayPort*>(port); 1720e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else { 1730e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(false); 1740e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 1750e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 1760e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1770e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::OnCandidatesReady( 1780e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org PortAllocatorSession *session, const std::vector<Candidate>& candidates) { 1790e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(session == allocator_session_); 1800e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(candidates.size() >= 1); 1810e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1820e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // The most recent candidate is the one we haven't seen yet. 1830e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org Candidate c = candidates[candidates.size() - 1]; 1840e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1850e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (c.type() == STUN_PORT_TYPE) { 1860e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(stun_port_ != NULL); 1870e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1880e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#if defined(FEATURE_ENABLE_STUN_CLASSIFICATION) 1890e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // We need to wait until we have two addresses. 1900e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (stun_port_->candidates().size() < 2) 1910e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return; 1920e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 1930e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // This is the second address. If these addresses are the same, then we 1940e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // are not behind a symmetric NAT. Hence, a stun port should be sufficient. 1950e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (stun_port_->candidates()[0].address() == 1960e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org stun_port_->candidates()[1].address()) { 1970e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SetPort(stun_port_); 1980e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org return; 1990e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 2000e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2010e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // We will need to use relay. 2020e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org use_relay_ = true; 2030e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2040e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // If we already have a relay address, we're good. Otherwise, we will need 2050e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // to wait until one arrives. 2060e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (relay_port_->candidates().size() > 0) 2070e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SetPort(relay_port_); 2080e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#else // defined(FEATURE_ENABLE_STUN_CLASSIFICATION) 2090e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Always use the stun port. We don't classify right now so just assume it 2100e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // will work fine. 2110e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SetPort(stun_port_); 2120e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#endif 2130e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else if (c.type() == RELAY_PORT_TYPE) { 2140e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (use_relay_) 2150e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SetPort(relay_port_); 2160e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } else { 2170e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(false); 2180e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 2190e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 2200e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2210e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::SetPort(PortInterface* port) { 2220e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(port_ == NULL); 2230e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org port_ = port; 2240e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2250e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // We don't need any ports other than the one we picked. 2260e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org allocator_session_->StopGettingPorts(); 2270e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org worker_thread_->Post( 2280e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org this, MSG_DESTROY_UNUSED_PORTS, NULL); 2290e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2300e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Send a message to the other client containing our address. 2310e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2320e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(port_->Candidates().size() >= 1); 2330e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(port_->Candidates()[0].protocol() == "udp"); 2340e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SignalCandidateReady(this, port_->Candidates()[0]); 2350e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2360e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // Read all packets from this port. 2370e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org port_->EnablePortPackets(); 2380e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org port_->SignalReadPacket.connect(this, &RawTransportChannel::OnReadPacket); 2390e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2400e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org // We can write once we have a port and a remote address. 2410e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (!remote_address_.IsAny()) 2420e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SetWritable(); 2430e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 2440e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2450e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::SetWritable() { 2460e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(port_ != NULL); 2470e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(!remote_address_.IsAny()); 2480e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2490e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org set_writable(true); 2500e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2510e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org Candidate remote_candidate; 2520e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org remote_candidate.set_address(remote_address_); 2530e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org SignalRouteChange(this, remote_candidate); 2540e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 2550e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2560e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::OnReadPacket( 2570e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org PortInterface* port, const char* data, size_t size, 2580e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org const talk_base::SocketAddress& addr) { 2590e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(port_ == port); 260f89a403cd8db88001322bbb0765c4636fd123700wu@webrtc.org SignalReadPacket(this, data, size, talk_base::CreatePacketTime(0), 0); 2610e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 2620e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2630e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.orgvoid RawTransportChannel::OnMessage(talk_base::Message* msg) { 2640e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(msg->message_id == MSG_DESTROY_UNUSED_PORTS); 2650e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org ASSERT(port_ != NULL); 2660e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (port_ != stun_port_) { 2670e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org stun_port_->Destroy(); 2680e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org stun_port_ = NULL; 2690e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 2700e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org if (port_ != relay_port_ && relay_port_ != NULL) { 2710e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org relay_port_->Destroy(); 2720e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org relay_port_ = NULL; 2730e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org } 2740e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} 2750e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org 2760e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org} // namespace cricket 2770e118e7129884fbea117e78d6f2068139a414dbhenrike@webrtc.org#endif // defined(FEATURE_ENABLE_PSTN) 278