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28 #include "talk/base/dscp.h"
29 #include "talk/base/testclient.h"
30 #include "talk/base/thread.h"
31 #include "talk/base/timeutils.h"
35 // DESIGN: Each packet received is put it into a list of packets.
36 // Callers can retrieve received packets from any thread by calling
39 TestClient::TestClient(AsyncPacketSocket* socket)
40 : socket_(socket), ready_to_send_(false) {
41 packets_ = new std::vector<Packet*>();
42 socket_->SignalReadPacket.connect(this, &TestClient::OnPacket);
43 socket_->SignalReadyToSend.connect(this, &TestClient::OnReadyToSend);
46 TestClient::~TestClient() {
48 for (unsigned i = 0; i < packets_->size(); i++)
49 delete (*packets_)[i];
53 bool TestClient::CheckConnState(AsyncPacketSocket::State state) {
54 // Wait for our timeout value until the socket reaches the desired state.
55 uint32 end = TimeAfter(kTimeout);
56 while (socket_->GetState() != state && TimeUntil(end) > 0)
57 Thread::Current()->ProcessMessages(1);
58 return (socket_->GetState() == state);
61 int TestClient::Send(const char* buf, size_t size) {
62 return socket_->Send(buf, size, DSCP_NO_CHANGE);
65 int TestClient::SendTo(const char* buf, size_t size,
66 const SocketAddress& dest) {
67 return socket_->SendTo(buf, size, dest, DSCP_NO_CHANGE);
70 TestClient::Packet* TestClient::NextPacket() {
71 // If no packets are currently available, we go into a get/dispatch loop for
72 // at most 1 second. If, during the loop, a packet arrives, then we can stop
73 // early and return it.
75 // Note that the case where no packet arrives is important. We often want to
76 // test that a packet does not arrive.
78 // Note also that we only try to pump our current thread's message queue.
79 // Pumping another thread's queue could lead to messages being dispatched from
80 // the wrong thread to non-thread-safe objects.
82 uint32 end = TimeAfter(kTimeout);
83 while (TimeUntil(end) > 0) {
86 if (packets_->size() != 0) {
90 Thread::Current()->ProcessMessages(1);
93 // Return the first packet placed in the queue.
94 Packet* packet = NULL;
96 if (packets_->size() > 0) {
97 packet = packets_->front();
98 packets_->erase(packets_->begin());
104 bool TestClient::CheckNextPacket(const char* buf, size_t size,
105 SocketAddress* addr) {
107 Packet* packet = NextPacket();
109 res = (packet->size == size && std::memcmp(packet->buf, buf, size) == 0);
111 *addr = packet->addr;
117 bool TestClient::CheckNoPacket() {
119 Packet* packet = NextPacket();
120 res = (packet == NULL);
125 int TestClient::GetError() {
126 return socket_->GetError();
129 int TestClient::SetOption(Socket::Option opt, int value) {
130 return socket_->SetOption(opt, value);
133 bool TestClient::ready_to_send() const {
134 return ready_to_send_;
137 void TestClient::OnPacket(AsyncPacketSocket* socket, const char* buf,
138 size_t size, const SocketAddress& remote_addr) {
139 CritScope cs(&crit_);
140 packets_->push_back(new Packet(remote_addr, buf, size));
143 void TestClient::OnReadyToSend(AsyncPacketSocket* socket) {
144 ready_to_send_ = true;
147 TestClient::Packet::Packet(const SocketAddress& a, const char* b, size_t s)
148 : addr(a), buf(0), size(s) {
149 buf = new char[size];
150 memcpy(buf, b, size);
153 TestClient::Packet::Packet(const Packet& p)
154 : addr(p.addr), buf(0), size(p.size) {
155 buf = new char[size];
156 memcpy(buf, p.buf, size);
159 TestClient::Packet::~Packet() {
163 } // namespace talk_base