src/ppapi/tests/test_udp_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 <cstring>
   6 #include <vector>
   7
   8 #include "ppapi/cpp/module.h"
   9 #include "ppapi/cpp/private/net_address_private.h"
  10 #include "ppapi/cpp/private/tcp_socket_private.h"
  11 #include "ppapi/cpp/var.h"
  12 #include "ppapi/tests/test_udp_socket_private.h"
  13 #include "ppapi/tests/test_utils.h"
  14 #include "ppapi/tests/testing_instance.h"
  15
  16 REGISTER_TEST_CASE(UDPSocketPrivate);
  17
  18 namespace {
  19
  20 const uint16_t kPortScanFrom = 1024;
  21 const uint16_t kPortScanTo = 4096;
  22
  23 }  // namespace
  24
  25 TestUDPSocketPrivate::TestUDPSocketPrivate(
  26     TestingInstance* instance)
  27     : TestCase(instance) {
  28 }
  29
  30 bool TestUDPSocketPrivate::Init() {
  31   bool tcp_socket_private_is_available = pp::TCPSocketPrivate::IsAvailable();
  32   if (!tcp_socket_private_is_available)
  33     instance_->AppendError("PPB_TCPSocket_Private interface not available");
  34
  35   bool udp_socket_private_is_available = pp::UDPSocketPrivate::IsAvailable();
  36   if (!udp_socket_private_is_available)
  37     instance_->AppendError("PPB_UDPSocket_Private interface not available");
  38
  39   bool net_address_private_is_available = pp::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_socket_private_is_available &&
  49       udp_socket_private_is_available &&
  50       net_address_private_is_available &&
  51       init_host_port &&
  52       CheckTestingInterface() &&
  53       EnsureRunningOverHTTP();
  54 }
  55
  56 void TestUDPSocketPrivate::RunTests(const std::string& filter) {
  57   RUN_CALLBACK_TEST(TestUDPSocketPrivate, Connect, filter);
  58   RUN_CALLBACK_TEST(TestUDPSocketPrivate, ConnectFailure, filter);
  59   RUN_CALLBACK_TEST(TestUDPSocketPrivate, Broadcast, filter);
  60   RUN_CALLBACK_TEST(TestUDPSocketPrivate, SetSocketFeatureErrors, filter);
  61 }
  62
  63 std::string TestUDPSocketPrivate::GetLocalAddress(
  64     PP_NetAddress_Private* address) {
  65   pp::TCPSocketPrivate socket(instance_);
  66   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
  67   callback.WaitForResult(
  68       socket.Connect(host_.c_str(), port_, callback.GetCallback()));
  69   CHECK_CALLBACK_BEHAVIOR(callback);
  70   ASSERT_EQ(PP_OK, callback.result());
  71   ASSERT_TRUE(socket.GetLocalAddress(address));
  72   socket.Disconnect();
  73   PASS();
  74 }
  75
  76 std::string TestUDPSocketPrivate::SetBroadcastOptions(
  77     pp::UDPSocketPrivate* socket) {
  78   int32_t rv = socket->SetSocketFeature(
  79       PP_UDPSOCKETFEATURE_PRIVATE_ADDRESS_REUSE, pp::Var(true));
  80   if (rv != PP_OK)
  81     return ReportError("PPB_UDPSocket_Private::SetSocketFeature", rv);
  82
  83   rv = socket->SetSocketFeature(PP_UDPSOCKETFEATURE_PRIVATE_BROADCAST,
  84                                 pp::Var(true));
  85   if (rv != PP_OK)
  86     return ReportError("PPB_UDPSocket_Private::SetSocketFeature", rv);
  87
  88   PASS();
  89 }
  90
  91 std::string TestUDPSocketPrivate::BindUDPSocket(
  92     pp::UDPSocketPrivate* socket,
  93     PP_NetAddress_Private* address) {
  94   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
  95   callback.WaitForResult(socket->Bind(address, callback.GetCallback()));
  96   CHECK_CALLBACK_BEHAVIOR(callback);
  97   ASSERT_EQ(PP_OK, callback.result());
  98   PASS();
  99 }
 100
 101 std::string TestUDPSocketPrivate::LookupPortAndBindUDPSocket(
 102     pp::UDPSocketPrivate* socket,
 103     PP_NetAddress_Private *address) {
 104   PP_NetAddress_Private base_address;
 105   ASSERT_SUBTEST_SUCCESS(GetLocalAddress(&base_address));
 106
 107   bool is_free_port_found = false;
 108   for (uint16_t port = kPortScanFrom; port < kPortScanTo; ++port) {
 109     if (!pp::NetAddressPrivate::ReplacePort(base_address, port, address))
 110       return "PPB_NetAddress_Private::ReplacePort: Failed";
 111     if (BindUDPSocket(socket, address).empty()) {
 112       is_free_port_found = true;
 113       break;
 114     }
 115   }
 116   if (!is_free_port_found)
 117     return "Can't find available port";
 118   if (!socket->GetBoundAddress(address))
 119     return "PPB_UDPSocket_Private::GetBoundAddress: Failed";
 120   PASS();
 121 }
 122
 123 std::string TestUDPSocketPrivate::BindUDPSocketFailure(
 124     pp::UDPSocketPrivate* socket,
 125     PP_NetAddress_Private *address) {
 126   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 127   callback.WaitForResult(socket->Bind(address, callback.GetCallback()));
 128   CHECK_CALLBACK_BEHAVIOR(callback);
 129   ASSERT_NE(PP_OK, callback.result());
 130   ASSERT_FALSE(socket->GetBoundAddress(address));
 131   PASS();
 132 }
 133
 134 std::string TestUDPSocketPrivate::ReadSocket(pp::UDPSocketPrivate* socket,
 135                                              PP_NetAddress_Private* address,
 136                                              size_t size,
 137                                              std::string* message) {
 138   std::vector<char> buffer(size);
 139   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 140   callback.WaitForResult(
 141       socket->RecvFrom(&buffer[0], size, callback.GetCallback()));
 142   CHECK_CALLBACK_BEHAVIOR(callback);
 143   ASSERT_FALSE(callback.result() < 0);
 144   ASSERT_EQ(size, static_cast<size_t>(callback.result()));
 145   message->assign(buffer.begin(), buffer.end());
 146   PASS();
 147 }
 148
 149 std::string TestUDPSocketPrivate::PassMessage(pp::UDPSocketPrivate* target,
 150                                               pp::UDPSocketPrivate* source,
 151                                               PP_NetAddress_Private* address,
 152                                               const std::string& message) {
 153   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 154   int32_t rv = source->SendTo(message.c_str(), message.size(), address,
 155                               callback.GetCallback());
 156   std::string str;
 157   ASSERT_SUBTEST_SUCCESS(ReadSocket(target, address, message.size(), &str));
 158
 159   callback.WaitForResult(rv);
 160   CHECK_CALLBACK_BEHAVIOR(callback);
 161   ASSERT_FALSE(callback.result() < 0);
 162   ASSERT_EQ(message.size(), static_cast<size_t>(callback.result()));
 163   ASSERT_EQ(message, str);
 164   PASS();
 165 }
 166
 167 std::string TestUDPSocketPrivate::TestConnect() {
 168   pp::UDPSocketPrivate server_socket(instance_), client_socket(instance_);
 169   PP_NetAddress_Private server_address, client_address;
 170
 171   ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&server_socket,
 172                                                     &server_address));
 173   ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&client_socket,
 174                                                     &client_address));
 175   const std::string message = "Simple message that will be sent via UDP";
 176   ASSERT_SUBTEST_SUCCESS(PassMessage(&server_socket, &client_socket,
 177                                      &server_address,
 178                                      message));
 179   PP_NetAddress_Private recv_from_address;
 180   ASSERT_TRUE(server_socket.GetRecvFromAddress(&recv_from_address));
 181   ASSERT_TRUE(pp::NetAddressPrivate::AreEqual(recv_from_address,
 182                                               client_address));
 183
 184   server_socket.Close();
 185   client_socket.Close();
 186
 187   if (server_socket.GetBoundAddress(&server_address))
 188     return "PPB_UDPSocket_Private::GetBoundAddress: expected Failure";
 189   PASS();
 190 }
 191
 192 std::string TestUDPSocketPrivate::TestConnectFailure() {
 193   pp::UDPSocketPrivate socket(instance_);
 194   PP_NetAddress_Private invalid_address = {};
 195
 196   std::string error_message = BindUDPSocketFailure(&socket, &invalid_address);
 197   if (!error_message.empty())
 198     return error_message;
 199
 200   PASS();
 201 }
 202
 203 std::string TestUDPSocketPrivate::TestBroadcast() {
 204   const uint8_t broadcast_ip[4] = { 0xff, 0xff, 0xff, 0xff };
 205
 206   pp::UDPSocketPrivate server1(instance_), server2(instance_);
 207
 208   ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&server1));
 209   ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&server2));
 210   PP_NetAddress_Private server_address;
 211   ASSERT_TRUE(pp::NetAddressPrivate::GetAnyAddress(false, &server_address));
 212   ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&server1, &server_address));
 213   // Fill port field of |server_address|.
 214   ASSERT_TRUE(server1.GetBoundAddress(&server_address));
 215   ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&server2, &server_address));
 216
 217   const uint16_t port = pp::NetAddressPrivate::GetPort(server_address);
 218   PP_NetAddress_Private broadcast_address;
 219   ASSERT_TRUE(pp::NetAddressPrivate::CreateFromIPv4Address(
 220       broadcast_ip, port, &broadcast_address));
 221
 222   std::string message;
 223   const std::string first_message = "first message";
 224   const std::string second_message = "second_message";
 225
 226   ASSERT_SUBTEST_SUCCESS(PassMessage(&server1, &server2,
 227                                      &broadcast_address,
 228                                      first_message));
 229   // |first_message| also arrived to |server2|.
 230   ASSERT_SUBTEST_SUCCESS(ReadSocket(&server2, &broadcast_address,
 231                                     first_message.size(), &message));
 232   ASSERT_EQ(first_message, message);
 233
 234   ASSERT_SUBTEST_SUCCESS(PassMessage(&server2, &server1,
 235                                      &broadcast_address,
 236                                      second_message));
 237   // |second_message| also arrived to |server1|.
 238   ASSERT_SUBTEST_SUCCESS(ReadSocket(&server1, &broadcast_address,
 239                                     second_message.size(), &message));
 240   ASSERT_EQ(second_message, message);
 241
 242   server1.Close();
 243   server2.Close();
 244   PASS();
 245 }
 246
 247 std::string TestUDPSocketPrivate::TestSetSocketFeatureErrors() {
 248   pp::UDPSocketPrivate socket(instance_);
 249   // Try to pass incorrect feature name.
 250   int32_t rv = socket.SetSocketFeature(PP_UDPSOCKETFEATURE_PRIVATE_COUNT,
 251                                        pp::Var(true));
 252   ASSERT_EQ(PP_ERROR_BADARGUMENT, rv);
 253
 254   // Try to pass incorrect feature value's type.
 255   rv = socket.SetSocketFeature(PP_UDPSOCKETFEATURE_PRIVATE_ADDRESS_REUSE,
 256                                pp::Var(1));
 257   ASSERT_EQ(PP_ERROR_BADARGUMENT, rv);
 258   PASS();
 259 }