1 /* 2 * libjingle 3 * Copyright 2004--2005, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "talk/base/testclient.h" 29 #include "talk/base/thread.h" 30 #include "talk/base/timeutils.h" 31 32 namespace talk_base { 33 34 // DESIGN: Each packet received is put it into a list of packets. 35 // Callers can retrieve received packets from any thread by calling 36 // NextPacket. 37 38 TestClient::TestClient(AsyncPacketSocket* socket) 39 : socket_(socket), ready_to_send_(false) { 40 packets_ = new std::vector<Packet*>(); 41 socket_->SignalReadPacket.connect(this, &TestClient::OnPacket); 42 socket_->SignalReadyToSend.connect(this, &TestClient::OnReadyToSend); 43 } 44 45 TestClient::~TestClient() { 46 delete socket_; 47 for (unsigned i = 0; i < packets_->size(); i++) 48 delete (*packets_)[i]; 49 delete packets_; 50 } 51 52 bool TestClient::CheckConnState(AsyncPacketSocket::State state) { 53 // Wait for our timeout value until the socket reaches the desired state. 54 uint32 end = TimeAfter(kTimeout); 55 while (socket_->GetState() != state && TimeUntil(end) > 0) 56 Thread::Current()->ProcessMessages(1); 57 return (socket_->GetState() == state); 58 } 59 60 int TestClient::Send(const char* buf, size_t size) { 61 return socket_->Send(buf, size); 62 } 63 64 int TestClient::SendTo(const char* buf, size_t size, 65 const SocketAddress& dest) { 66 return socket_->SendTo(buf, size, dest); 67 } 68 69 TestClient::Packet* TestClient::NextPacket() { 70 // If no packets are currently available, we go into a get/dispatch loop for 71 // at most 1 second. If, during the loop, a packet arrives, then we can stop 72 // early and return it. 73 74 // Note that the case where no packet arrives is important. We often want to 75 // test that a packet does not arrive. 76 77 // Note also that we only try to pump our current thread's message queue. 78 // Pumping another thread's queue could lead to messages being dispatched from 79 // the wrong thread to non-thread-safe objects. 80 81 uint32 end = TimeAfter(kTimeout); 82 while (packets_->size() == 0 && TimeUntil(end) > 0) 83 Thread::Current()->ProcessMessages(1); 84 85 // Return the first packet placed in the queue. 86 Packet* packet = NULL; 87 if (packets_->size() > 0) { 88 CritScope cs(&crit_); 89 packet = packets_->front(); 90 packets_->erase(packets_->begin()); 91 } 92 93 return packet; 94 } 95 96 bool TestClient::CheckNextPacket(const char* buf, size_t size, 97 SocketAddress* addr) { 98 bool res = false; 99 Packet* packet = NextPacket(); 100 if (packet) { 101 res = (packet->size == size && std::memcmp(packet->buf, buf, size) == 0); 102 if (addr) 103 *addr = packet->addr; 104 delete packet; 105 } 106 return res; 107 } 108 109 bool TestClient::CheckNoPacket() { 110 bool res; 111 Packet* packet = NextPacket(); 112 res = (packet == NULL); 113 delete packet; 114 return res; 115 } 116 117 int TestClient::GetError() { 118 return socket_->GetError(); 119 } 120 121 int TestClient::SetOption(Socket::Option opt, int value) { 122 return socket_->SetOption(opt, value); 123 } 124 125 bool TestClient::ready_to_send() const { 126 return ready_to_send_; 127 } 128 129 void TestClient::OnPacket(AsyncPacketSocket* socket, const char* buf, 130 size_t size, const SocketAddress& remote_addr) { 131 CritScope cs(&crit_); 132 packets_->push_back(new Packet(remote_addr, buf, size)); 133 } 134 135 void TestClient::OnReadyToSend(AsyncPacketSocket* socket) { 136 ready_to_send_ = true; 137 } 138 139 TestClient::Packet::Packet(const SocketAddress& a, const char* b, size_t s) 140 : addr(a), buf(0), size(s) { 141 buf = new char[size]; 142 memcpy(buf, b, size); 143 } 144 145 TestClient::Packet::Packet(const Packet& p) 146 : addr(p.addr), buf(0), size(p.size) { 147 buf = new char[size]; 148 memcpy(buf, p.buf, size); 149 } 150 151 TestClient::Packet::~Packet() { 152 delete[] buf; 153 } 154 155 } // namespace talk_base 156