src/jingle/glue/fake_socket_factory.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "jingle/glue/fake_socket_factory.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "jingle/glue/utils.h"
  10 #include "third_party/libjingle/source/talk/base/asyncpacketsocket.h"
  11 #include "third_party/libjingle/source/talk/base/asyncsocket.h"
  12
  13 namespace jingle_glue {
  14
  15 FakeUDPPacketSocket::FakeUDPPacketSocket(FakeSocketManager* fake_socket_manager,
  16                                          const net::IPEndPoint& address)
  17     : fake_socket_manager_(fake_socket_manager),
  18       endpoint_(address), state_(IS_OPEN), error_(0) {
  19   CHECK(IPEndPointToSocketAddress(endpoint_, &local_address_));
  20   fake_socket_manager_->AddSocket(this);
  21 }
  22
  23 FakeUDPPacketSocket::~FakeUDPPacketSocket() {
  24   fake_socket_manager_->RemoveSocket(this);
  25 }
  26
  27 talk_base::SocketAddress FakeUDPPacketSocket::GetLocalAddress() const {
  28   DCHECK(CalledOnValidThread());
  29   return local_address_;
  30 }
  31
  32 talk_base::SocketAddress FakeUDPPacketSocket::GetRemoteAddress() const {
  33   DCHECK(CalledOnValidThread());
  34   return remote_address_;
  35 }
  36
  37 int FakeUDPPacketSocket::Send(const void *data, size_t data_size,
  38                               talk_base::DiffServCodePoint dscp) {
  39   DCHECK(CalledOnValidThread());
  40   return SendTo(data, data_size, remote_address_, dscp);
  41 }
  42
  43 int FakeUDPPacketSocket::SendTo(const void *data, size_t data_size,
  44                                 const talk_base::SocketAddress& address,
  45                                 talk_base::DiffServCodePoint dscp) {
  46   DCHECK(CalledOnValidThread());
  47
  48   if (state_ == IS_CLOSED) {
  49     return ENOTCONN;
  50   }
  51
  52   net::IPEndPoint destination;
  53   if (!SocketAddressToIPEndPoint(address, &destination)) {
  54     return EINVAL;
  55   }
  56
  57   const char* data_char = reinterpret_cast<const char*>(data);
  58   std::vector<char> data_vector(data_char, data_char + data_size);
  59
  60   fake_socket_manager_->SendPacket(endpoint_, destination, data_vector);
  61
  62   return data_size;
  63 }
  64
  65 int FakeUDPPacketSocket::Close() {
  66   DCHECK(CalledOnValidThread());
  67   state_ = IS_CLOSED;
  68   return 0;
  69 }
  70
  71 talk_base::AsyncPacketSocket::State FakeUDPPacketSocket::GetState() const {
  72   DCHECK(CalledOnValidThread());
  73
  74   switch (state_) {
  75     case IS_OPEN:
  76       return STATE_BOUND;
  77     case IS_CLOSED:
  78       return STATE_CLOSED;
  79   }
  80
  81   NOTREACHED();
  82   return STATE_CLOSED;
  83 }
  84
  85 int FakeUDPPacketSocket::GetOption(talk_base::Socket::Option opt, int* value) {
  86   DCHECK(CalledOnValidThread());
  87   return -1;
  88 }
  89
  90 int FakeUDPPacketSocket::SetOption(talk_base::Socket::Option opt, int value) {
  91   DCHECK(CalledOnValidThread());
  92   return -1;
  93 }
  94
  95 int FakeUDPPacketSocket::GetError() const {
  96   DCHECK(CalledOnValidThread());
  97   return error_;
  98 }
  99
 100 void FakeUDPPacketSocket::SetError(int error) {
 101   DCHECK(CalledOnValidThread());
 102   error_ = error;
 103 }
 104
 105 void FakeUDPPacketSocket::DeliverPacket(const net::IPEndPoint& from,
 106                                         const std::vector<char>& data) {
 107   DCHECK(CalledOnValidThread());
 108
 109   talk_base::SocketAddress address;
 110   if (!jingle_glue::IPEndPointToSocketAddress(from, &address)) {
 111     // We should always be able to convert address here because we
 112     // don't expect IPv6 address on IPv4 connections.
 113     NOTREACHED();
 114     return;
 115   }
 116
 117   SignalReadPacket(this, &data[0], data.size(), address,
 118                    talk_base::CreatePacketTime(0));
 119 }
 120
 121 FakeSocketManager::FakeSocketManager()
 122     : message_loop_(base::MessageLoop::current()) {}
 123
 124 FakeSocketManager::~FakeSocketManager() { }
 125
 126 void FakeSocketManager::SendPacket(const net::IPEndPoint& from,
 127                                    const net::IPEndPoint& to,
 128                                    const std::vector<char>& data) {
 129   DCHECK_EQ(base::MessageLoop::current(), message_loop_);
 130
 131   message_loop_->PostTask(
 132       FROM_HERE,
 133       base::Bind(&FakeSocketManager::DeliverPacket, this, from, to, data));
 134 }
 135
 136 void FakeSocketManager::DeliverPacket(const net::IPEndPoint& from,
 137                                       const net::IPEndPoint& to,
 138                                       const std::vector<char>& data) {
 139   DCHECK_EQ(base::MessageLoop::current(), message_loop_);
 140
 141   std::map<net::IPEndPoint, FakeUDPPacketSocket*>::iterator it =
 142       endpoints_.find(to);
 143   if (it == endpoints_.end()) {
 144     LOG(WARNING) << "Dropping packet with unknown destination: "
 145                  << to.ToString();
 146     return;
 147   }
 148   it->second->DeliverPacket(from, data);
 149 }
 150
 151 void FakeSocketManager::AddSocket(FakeUDPPacketSocket* socket_factory) {
 152   DCHECK_EQ(base::MessageLoop::current(), message_loop_);
 153
 154   endpoints_[socket_factory->endpoint()] = socket_factory;
 155 }
 156
 157 void FakeSocketManager::RemoveSocket(FakeUDPPacketSocket* socket_factory) {
 158   DCHECK_EQ(base::MessageLoop::current(), message_loop_);
 159
 160   endpoints_.erase(socket_factory->endpoint());
 161 }
 162
 163 FakeSocketFactory::FakeSocketFactory(FakeSocketManager* socket_manager,
 164                                      const net::IPAddressNumber& address)
 165     : socket_manager_(socket_manager),
 166       address_(address),
 167       last_allocated_port_(0) {
 168 }
 169
 170 FakeSocketFactory::~FakeSocketFactory() {
 171 }
 172
 173 talk_base::AsyncPacketSocket* FakeSocketFactory::CreateUdpSocket(
 174     const talk_base::SocketAddress& local_address, int min_port, int max_port) {
 175   CHECK_EQ(min_port, 0);
 176   CHECK_EQ(max_port, 0);
 177   return new FakeUDPPacketSocket(
 178       socket_manager_.get(), net::IPEndPoint(address_, ++last_allocated_port_));
 179 }
 180
 181 talk_base::AsyncPacketSocket* FakeSocketFactory::CreateServerTcpSocket(
 182     const talk_base::SocketAddress& local_address, int min_port, int max_port,
 183     int opts) {
 184   // TODO(sergeyu): Implement fake TCP sockets.
 185   NOTIMPLEMENTED();
 186   return NULL;
 187 }
 188
 189 talk_base::AsyncPacketSocket* FakeSocketFactory::CreateClientTcpSocket(
 190     const talk_base::SocketAddress& local_address,
 191     const talk_base::SocketAddress& remote_address,
 192     const talk_base::ProxyInfo& proxy_info, const std::string& user_agent,
 193     int opts) {
 194   // TODO(sergeyu): Implement fake TCP sockets.
 195   NOTIMPLEMENTED();
 196   return NULL;
 197 }
 198
 199 }  // namespace jingle_glue