src/ppapi/tests/test_tcp_server_socket_private.cc

   1 // Copyright (c) 2012 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 "ppapi/tests/test_tcp_server_socket_private.h"
   6
   7 #include <cstdio>
   8 #include <vector>
   9
  10 #include "ppapi/cpp/pass_ref.h"
  11 #include "ppapi/cpp/private/net_address_private.h"
  12 #include "ppapi/cpp/private/tcp_server_socket_private.h"
  13 #include "ppapi/cpp/private/tcp_socket_private.h"
  14 #include "ppapi/tests/test_utils.h"
  15 #include "ppapi/tests/testing_instance.h"
  16
  17 using pp::NetAddressPrivate;
  18 using pp::TCPServerSocketPrivate;
  19 using pp::TCPSocketPrivate;
  20
  21 REGISTER_TEST_CASE(TCPServerSocketPrivate);
  22
  23 TestTCPServerSocketPrivate::TestTCPServerSocketPrivate(
  24     TestingInstance* instance) : TestCase(instance) {
  25 }
  26
  27 bool TestTCPServerSocketPrivate::Init() {
  28   bool tcp_server_socket_private_is_available =
  29       TCPServerSocketPrivate::IsAvailable();
  30   if (!tcp_server_socket_private_is_available) {
  31     instance_->AppendError(
  32         "PPB_TCPServerSocket_Private interface not available");
  33   }
  34
  35   bool tcp_socket_private_is_available = TCPSocketPrivate::IsAvailable();
  36   if (!tcp_socket_private_is_available)
  37     instance_->AppendError("PPB_TCPSocket_Private interface not available");
  38
  39   bool net_address_private_is_available = NetAddressPrivate::IsAvailable();
  40   if (!net_address_private_is_available)
  41     instance_->AppendError("PPB_NetAddress_Private interface not available");
  42
  43   bool init_host_port = GetLocalHostPort(instance_->pp_instance(),
  44                                          &host_, &port_);
  45   if (!init_host_port)
  46     instance_->AppendError("Can't init host and port");
  47
  48   return tcp_server_socket_private_is_available &&
  49       tcp_socket_private_is_available &&
  50       net_address_private_is_available &&
  51       init_host_port &&
  52       CheckTestingInterface() &&
  53       EnsureRunningOverHTTP();
  54 }
  55
  56 void TestTCPServerSocketPrivate::RunTests(const std::string& filter) {
  57   RUN_CALLBACK_TEST(TestTCPServerSocketPrivate, Listen, filter);
  58   RUN_CALLBACK_TEST(TestTCPServerSocketPrivate, Backlog, filter);
  59 }
  60
  61 std::string TestTCPServerSocketPrivate::GetLocalAddress(
  62     PP_NetAddress_Private* address) {
  63   TCPSocketPrivate socket(instance_);
  64   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
  65   callback.WaitForResult(
  66       socket.Connect(host_.c_str(), port_, callback.GetCallback()));
  67   CHECK_CALLBACK_BEHAVIOR(callback);
  68   ASSERT_EQ(PP_OK, callback.result());
  69   ASSERT_TRUE(socket.GetLocalAddress(address));
  70   socket.Disconnect();
  71   PASS();
  72 }
  73
  74 std::string TestTCPServerSocketPrivate::SyncRead(TCPSocketPrivate* socket,
  75                                                  char* buffer,
  76                                                  size_t num_bytes) {
  77   while (num_bytes > 0) {
  78     TestCompletionCallback callback(instance_->pp_instance(), callback_type());
  79     callback.WaitForResult(
  80         socket->Read(buffer, num_bytes, callback.GetCallback()));
  81     CHECK_CALLBACK_BEHAVIOR(callback);
  82     ASSERT_TRUE(callback.result() >= 0);
  83     buffer += callback.result();
  84     num_bytes -= callback.result();
  85   }
  86   PASS();
  87 }
  88
  89 std::string TestTCPServerSocketPrivate::SyncWrite(TCPSocketPrivate* socket,
  90                                                   const char* buffer,
  91                                                   size_t num_bytes) {
  92   while (num_bytes > 0) {
  93     TestCompletionCallback callback(instance_->pp_instance(), callback_type());
  94     callback.WaitForResult(
  95         socket->Write(buffer, num_bytes, callback.GetCallback()));
  96     CHECK_CALLBACK_BEHAVIOR(callback);
  97     ASSERT_TRUE(callback.result() >= 0);
  98     buffer += callback.result();
  99     num_bytes -= callback.result();
 100   }
 101   PASS();
 102 }
 103
 104 std::string TestTCPServerSocketPrivate::SyncConnect(
 105     TCPSocketPrivate* socket,
 106     PP_NetAddress_Private* address) {
 107   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 108   callback.WaitForResult(
 109       socket->ConnectWithNetAddress(address, callback.GetCallback()));
 110   CHECK_CALLBACK_BEHAVIOR(callback);
 111   ASSERT_EQ(PP_OK, callback.result());
 112   PASS();
 113 }
 114
 115 void TestTCPServerSocketPrivate::ForceConnect(TCPSocketPrivate* socket,
 116                                               PP_NetAddress_Private* address) {
 117   std::string error_message;
 118   do {
 119     error_message = SyncConnect(socket, address);
 120   } while (!error_message.empty());
 121 }
 122
 123 std::string TestTCPServerSocketPrivate::SyncListen(
 124     TCPServerSocketPrivate* socket,
 125     PP_NetAddress_Private* address,
 126     int32_t backlog) {
 127   PP_NetAddress_Private base_address;
 128   ASSERT_SUBTEST_SUCCESS(GetLocalAddress(&base_address));
 129   if (!NetAddressPrivate::ReplacePort(base_address, 0, address))
 130     return ReportError("PPB_NetAddress_Private::ReplacePort", 0);
 131   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 132   callback.WaitForResult(
 133       socket->Listen(address, backlog, callback.GetCallback()));
 134   CHECK_CALLBACK_BEHAVIOR(callback);
 135   ASSERT_EQ(PP_OK, callback.result());
 136   int32_t rv = socket->GetLocalAddress(address);
 137   ASSERT_EQ(PP_OK, rv);
 138   ASSERT_TRUE(NetAddressPrivate::GetPort(*address) != 0);
 139   PASS();
 140 }
 141
 142 std::string TestTCPServerSocketPrivate::TestListen() {
 143   static const int kBacklog = 2;
 144
 145   TCPServerSocketPrivate server_socket(instance_);
 146   PP_NetAddress_Private address;
 147   ASSERT_SUBTEST_SUCCESS(SyncListen(&server_socket, &address, kBacklog));
 148
 149   // We can't use a blocking callback for Accept, because it will wait forever
 150   // for the client to connect, since the client connects after.
 151   TestCompletionCallback accept_callback(instance_->pp_instance(), PP_REQUIRED);
 152   // We need to make sure there's a message loop to run accept_callback on.
 153   pp::MessageLoop current_thread_loop(pp::MessageLoop::GetCurrent());
 154   if (current_thread_loop.is_null() && testing_interface_->IsOutOfProcess()) {
 155     current_thread_loop = pp::MessageLoop(instance_);
 156     current_thread_loop.AttachToCurrentThread();
 157   }
 158
 159   PP_Resource resource;
 160   int32_t accept_rv = server_socket.Accept(&resource,
 161                                            accept_callback.GetCallback());
 162
 163   TCPSocketPrivate client_socket(instance_);
 164   ForceConnect(&client_socket, &address);
 165
 166   PP_NetAddress_Private client_local_addr, client_remote_addr;
 167   ASSERT_TRUE(client_socket.GetLocalAddress(&client_local_addr));
 168   ASSERT_TRUE(client_socket.GetRemoteAddress(&client_remote_addr));
 169
 170   accept_callback.WaitForResult(accept_rv);
 171   CHECK_CALLBACK_BEHAVIOR(accept_callback);
 172   ASSERT_EQ(PP_OK, accept_callback.result());
 173
 174   ASSERT_TRUE(resource != 0);
 175   TCPSocketPrivate accepted_socket(pp::PassRef(), resource);
 176   PP_NetAddress_Private accepted_local_addr, accepted_remote_addr;
 177   ASSERT_TRUE(accepted_socket.GetLocalAddress(&accepted_local_addr));
 178   ASSERT_TRUE(accepted_socket.GetRemoteAddress(&accepted_remote_addr));
 179   ASSERT_TRUE(NetAddressPrivate::AreEqual(client_local_addr,
 180                                           accepted_remote_addr));
 181
 182   const char kSentByte = 'a';
 183   ASSERT_SUBTEST_SUCCESS(SyncWrite(&client_socket,
 184                                    &kSentByte,
 185                                    sizeof(kSentByte)));
 186
 187   char received_byte;
 188   ASSERT_SUBTEST_SUCCESS(SyncRead(&accepted_socket,
 189                                   &received_byte,
 190                                   sizeof(received_byte)));
 191   ASSERT_EQ(kSentByte, received_byte);
 192
 193   accepted_socket.Disconnect();
 194   client_socket.Disconnect();
 195   server_socket.StopListening();
 196
 197   PASS();
 198 }
 199
 200 std::string TestTCPServerSocketPrivate::TestBacklog() {
 201   static const size_t kBacklog = 5;
 202
 203   TCPServerSocketPrivate server_socket(instance_);
 204   PP_NetAddress_Private address;
 205   ASSERT_SUBTEST_SUCCESS(SyncListen(&server_socket, &address, 2 * kBacklog));
 206
 207   std::vector<TCPSocketPrivate*> client_sockets(kBacklog);
 208   std::vector<TestCompletionCallback*> connect_callbacks(kBacklog);
 209   std::vector<int32_t> connect_rv(kBacklog);
 210   for (size_t i = 0; i < kBacklog; ++i) {
 211     client_sockets[i] = new TCPSocketPrivate(instance_);
 212     connect_callbacks[i] = new TestCompletionCallback(instance_->pp_instance(),
 213                                                       callback_type());
 214     connect_rv[i] = client_sockets[i]->ConnectWithNetAddress(
 215         &address,
 216         connect_callbacks[i]->GetCallback());
 217   }
 218
 219   std::vector<PP_Resource> resources(kBacklog);
 220   std::vector<TCPSocketPrivate*> accepted_sockets(kBacklog);
 221   for (size_t i = 0; i < kBacklog; ++i) {
 222     TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 223     callback.WaitForResult(
 224         server_socket.Accept(&resources[i], callback.GetCallback()));
 225     CHECK_CALLBACK_BEHAVIOR(callback);
 226     ASSERT_EQ(PP_OK, callback.result());
 227
 228     ASSERT_TRUE(resources[i] != 0);
 229     accepted_sockets[i] = new TCPSocketPrivate(pp::PassRef(), resources[i]);
 230   }
 231
 232   for (size_t i = 0; i < kBacklog; ++i) {
 233     connect_callbacks[i]->WaitForResult(connect_rv[i]);
 234     CHECK_CALLBACK_BEHAVIOR(*connect_callbacks[i]);
 235     ASSERT_EQ(PP_OK, connect_callbacks[i]->result());
 236   }
 237
 238   for (size_t i = 0; i < kBacklog; ++i) {
 239     const char byte = 'a' + i;
 240     ASSERT_SUBTEST_SUCCESS(SyncWrite(client_sockets[i], &byte, sizeof(byte)));
 241   }
 242
 243   bool byte_received[kBacklog] = {};
 244   for (size_t i = 0; i < kBacklog; ++i) {
 245     char byte;
 246     ASSERT_SUBTEST_SUCCESS(SyncRead(accepted_sockets[i], &byte, sizeof(byte)));
 247     const size_t index = byte - 'a';
 248     ASSERT_FALSE(byte_received[index]);
 249     byte_received[index] = true;
 250   }
 251
 252   for (size_t i = 0; i < kBacklog; ++i) {
 253     client_sockets[i]->Disconnect();
 254     delete client_sockets[i];
 255     delete connect_callbacks[i];
 256     accepted_sockets[i]->Disconnect();
 257     delete accepted_sockets[i];
 258   }
 259
 260   server_socket.StopListening();
 261   PASS();
 262 }