ppapi/tests/test_udp_socket.cc

   1 // Copyright 2013 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_udp_socket.h"
   6
   7 #include <vector>
   8
   9 #include "ppapi/cpp/pass_ref.h"
  10 #include "ppapi/cpp/tcp_socket.h"
  11 #include "ppapi/cpp/udp_socket.h"
  12 #include "ppapi/cpp/var.h"
  13 #include "ppapi/tests/test_utils.h"
  14 #include "ppapi/tests/testing_instance.h"
  15
  16 REGISTER_TEST_CASE(UDPSocket);
  17
  18 namespace {
  19
  20 const uint16_t kPortScanFrom = 1024;
  21 const uint16_t kPortScanTo = 4096;
  22
  23 pp::NetAddress ReplacePort(const pp::InstanceHandle& instance,
  24                            const pp::NetAddress& addr,
  25                            uint16_t port) {
  26   switch (addr.GetFamily()) {
  27     case PP_NETADDRESS_FAMILY_IPV4: {
  28       PP_NetAddress_IPv4 ipv4_addr;
  29       if (!addr.DescribeAsIPv4Address(&ipv4_addr))
  30         break;
  31       ipv4_addr.port = ConvertToNetEndian16(port);
  32       return pp::NetAddress(instance, ipv4_addr);
  33     }
  34     case PP_NETADDRESS_FAMILY_IPV6: {
  35       PP_NetAddress_IPv6 ipv6_addr;
  36       if (!addr.DescribeAsIPv6Address(&ipv6_addr))
  37         break;
  38       ipv6_addr.port = ConvertToNetEndian16(port);
  39       return pp::NetAddress(instance, ipv6_addr);
  40     }
  41     default: {
  42       PP_NOTREACHED();
  43     }
  44   }
  45   return pp::NetAddress();
  46 }
  47
  48 }  // namespace
  49
  50 TestUDPSocket::TestUDPSocket(TestingInstance* instance) : TestCase(instance) {
  51 }
  52
  53 bool TestUDPSocket::Init() {
  54   bool tcp_socket_is_available = pp::TCPSocket::IsAvailable();
  55   if (!tcp_socket_is_available)
  56     instance_->AppendError("PPB_TCPSocket interface not available");
  57
  58   bool udp_socket_is_available = pp::UDPSocket::IsAvailable();
  59   if (!udp_socket_is_available)
  60     instance_->AppendError("PPB_UDPSocket interface not available");
  61
  62   bool net_address_is_available = pp::NetAddress::IsAvailable();
  63   if (!net_address_is_available)
  64     instance_->AppendError("PPB_NetAddress interface not available");
  65
  66   std::string host;
  67   uint16_t port = 0;
  68   bool init_address =
  69       GetLocalHostPort(instance_->pp_instance(), &host, &port) &&
  70       ResolveHost(instance_->pp_instance(), host, port, &address_);
  71   if (!init_address)
  72     instance_->AppendError("Can't init address");
  73
  74   return tcp_socket_is_available &&
  75       udp_socket_is_available &&
  76       net_address_is_available &&
  77       init_address &&
  78       CheckTestingInterface() &&
  79       EnsureRunningOverHTTP();
  80 }
  81
  82 void TestUDPSocket::RunTests(const std::string& filter) {
  83   RUN_CALLBACK_TEST(TestUDPSocket, ReadWrite, filter);
  84   RUN_CALLBACK_TEST(TestUDPSocket, Broadcast, filter);
  85   RUN_CALLBACK_TEST(TestUDPSocket, SetOption, filter);
  86 }
  87
  88 std::string TestUDPSocket::GetLocalAddress(pp::NetAddress* address) {
  89   pp::TCPSocket socket(instance_);
  90   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
  91   callback.WaitForResult(socket.Connect(address_, callback.GetCallback()));
  92   CHECK_CALLBACK_BEHAVIOR(callback);
  93   ASSERT_EQ(PP_OK, callback.result());
  94   *address = socket.GetLocalAddress();
  95   ASSERT_NE(0, address->pp_resource());
  96   socket.Close();
  97   PASS();
  98 }
  99
 100 std::string TestUDPSocket::SetBroadcastOptions(pp::UDPSocket* socket) {
 101   TestCompletionCallback callback_1(instance_->pp_instance(), callback_type());
 102   callback_1.WaitForResult(socket->SetOption(
 103       PP_UDPSOCKET_OPTION_ADDRESS_REUSE, pp::Var(true),
 104       callback_1.GetCallback()));
 105   CHECK_CALLBACK_BEHAVIOR(callback_1);
 106   ASSERT_EQ(PP_OK, callback_1.result());
 107
 108   TestCompletionCallback callback_2(instance_->pp_instance(), callback_type());
 109   callback_2.WaitForResult(socket->SetOption(
 110       PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(true), callback_2.GetCallback()));
 111   CHECK_CALLBACK_BEHAVIOR(callback_2);
 112   ASSERT_EQ(PP_OK, callback_2.result());
 113
 114   PASS();
 115 }
 116
 117 std::string TestUDPSocket::BindUDPSocket(pp::UDPSocket* socket,
 118                                          const pp::NetAddress& address) {
 119   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 120   callback.WaitForResult(socket->Bind(address, callback.GetCallback()));
 121   CHECK_CALLBACK_BEHAVIOR(callback);
 122   ASSERT_EQ(PP_OK, callback.result());
 123   PASS();
 124 }
 125
 126 std::string TestUDPSocket::LookupPortAndBindUDPSocket(
 127     pp::UDPSocket* socket,
 128     pp::NetAddress* address) {
 129   pp::NetAddress base_address;
 130   ASSERT_SUBTEST_SUCCESS(GetLocalAddress(&base_address));
 131
 132   bool is_free_port_found = false;
 133   for (uint16_t port = kPortScanFrom; port < kPortScanTo; ++port) {
 134     pp::NetAddress new_address = ReplacePort(instance_, base_address, port);
 135     ASSERT_NE(0, new_address.pp_resource());
 136     if (BindUDPSocket(socket, new_address).empty()) {
 137       is_free_port_found = true;
 138       break;
 139     }
 140   }
 141   if (!is_free_port_found)
 142     return "Can't find available port";
 143
 144   *address = socket->GetBoundAddress();
 145   ASSERT_NE(0, address->pp_resource());
 146
 147   PASS();
 148 }
 149
 150 std::string TestUDPSocket::ReadSocket(pp::UDPSocket* socket,
 151                                       pp::NetAddress* address,
 152                                       size_t size,
 153                                       std::string* message) {
 154   std::vector<char> buffer(size);
 155   TestCompletionCallbackWithOutput<pp::NetAddress> callback(
 156       instance_->pp_instance(), callback_type());
 157   callback.WaitForResult(
 158       socket->RecvFrom(&buffer[0], size, callback.GetCallback()));
 159   CHECK_CALLBACK_BEHAVIOR(callback);
 160   ASSERT_FALSE(callback.result() < 0);
 161   ASSERT_EQ(size, static_cast<size_t>(callback.result()));
 162   *address = callback.output();
 163   message->assign(buffer.begin(), buffer.end());
 164   PASS();
 165 }
 166
 167 std::string TestUDPSocket::PassMessage(pp::UDPSocket* target,
 168                                        pp::UDPSocket* source,
 169                                        const pp::NetAddress& target_address,
 170                                        const std::string& message,
 171                                        pp::NetAddress* recvfrom_address) {
 172   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 173   int32_t rv = source->SendTo(message.c_str(), message.size(),
 174                               target_address,
 175                               callback.GetCallback());
 176   std::string str;
 177   ASSERT_SUBTEST_SUCCESS(ReadSocket(target, recvfrom_address, message.size(),
 178                                     &str));
 179
 180   callback.WaitForResult(rv);
 181   CHECK_CALLBACK_BEHAVIOR(callback);
 182   ASSERT_FALSE(callback.result() < 0);
 183   ASSERT_EQ(message.size(), static_cast<size_t>(callback.result()));
 184   ASSERT_EQ(message, str);
 185   PASS();
 186 }
 187
 188 std::string TestUDPSocket::TestReadWrite() {
 189   pp::UDPSocket server_socket(instance_), client_socket(instance_);
 190   pp::NetAddress server_address, client_address;
 191
 192   ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&server_socket,
 193                                                     &server_address));
 194   ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&client_socket,
 195                                                     &client_address));
 196   const std::string message = "Simple message that will be sent via UDP";
 197   pp::NetAddress recvfrom_address;
 198   ASSERT_SUBTEST_SUCCESS(PassMessage(&server_socket, &client_socket,
 199                                      server_address, message,
 200                                      &recvfrom_address));
 201   ASSERT_TRUE(EqualNetAddress(recvfrom_address, client_address));
 202
 203   server_socket.Close();
 204   client_socket.Close();
 205
 206   if (server_socket.GetBoundAddress().pp_resource() != 0)
 207     return "PPB_UDPSocket::GetBoundAddress: expected failure";
 208
 209   PASS();
 210 }
 211
 212 std::string TestUDPSocket::TestBroadcast() {
 213   pp::UDPSocket server1(instance_), server2(instance_);
 214
 215   ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&server1));
 216   ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&server2));
 217
 218   PP_NetAddress_IPv4 any_ipv4_address = { 0, { 0, 0, 0, 0 } };
 219   pp::NetAddress any_address(instance_, any_ipv4_address);
 220   ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&server1, any_address));
 221   // Fill port field of |server_address|.
 222   pp::NetAddress server_address = server1.GetBoundAddress();
 223   ASSERT_NE(0, server_address.pp_resource());
 224   ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&server2, server_address));
 225
 226   PP_NetAddress_IPv4 server_ipv4_address;
 227   ASSERT_TRUE(server_address.DescribeAsIPv4Address(&server_ipv4_address));
 228
 229   PP_NetAddress_IPv4 broadcast_ipv4_address = {
 230     server_ipv4_address.port, { 0xff, 0xff, 0xff, 0xff }
 231   };
 232   pp::NetAddress broadcast_address(instance_, broadcast_ipv4_address);
 233
 234   std::string message;
 235   const std::string first_message = "first message";
 236   const std::string second_message = "second_message";
 237
 238   pp::NetAddress recvfrom_address;
 239   ASSERT_SUBTEST_SUCCESS(PassMessage(&server1, &server2, broadcast_address,
 240                                      first_message, &recvfrom_address));
 241   // |first_message| was also received by |server2|.
 242   ASSERT_SUBTEST_SUCCESS(ReadSocket(&server2, &recvfrom_address,
 243                                     first_message.size(), &message));
 244   ASSERT_EQ(first_message, message);
 245
 246   ASSERT_SUBTEST_SUCCESS(PassMessage(&server2, &server1, broadcast_address,
 247                                      second_message, &recvfrom_address));
 248   // |second_message| was also received by |server1|.
 249   ASSERT_SUBTEST_SUCCESS(ReadSocket(&server1, &recvfrom_address,
 250                                     second_message.size(), &message));
 251   ASSERT_EQ(second_message, message);
 252
 253   server1.Close();
 254   server2.Close();
 255   PASS();
 256 }
 257
 258 std::string TestUDPSocket::TestSetOption() {
 259   pp::UDPSocket socket(instance_);
 260
 261   ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&socket));
 262
 263   // Try to pass incorrect option value's type.
 264   TestCompletionCallback callback(instance_->pp_instance(), callback_type());
 265   callback.WaitForResult(socket.SetOption(
 266       PP_UDPSOCKET_OPTION_ADDRESS_REUSE, pp::Var(1), callback.GetCallback()));
 267   CHECK_CALLBACK_BEHAVIOR(callback);
 268   ASSERT_EQ(PP_ERROR_BADARGUMENT, callback.result());
 269
 270   callback.WaitForResult(socket.SetOption(
 271       PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(false), callback.GetCallback()));
 272   CHECK_CALLBACK_BEHAVIOR(callback);
 273   ASSERT_EQ(PP_OK, callback.result());
 274
 275   // SEND_BUFFER_SIZE and RECV_BUFFER_SIZE shouldn't be set before the socket is
 276   // bound.
 277   callback.WaitForResult(socket.SetOption(
 278       PP_UDPSOCKET_OPTION_SEND_BUFFER_SIZE, pp::Var(4096),
 279       callback.GetCallback()));
 280   CHECK_CALLBACK_BEHAVIOR(callback);
 281   ASSERT_EQ(PP_ERROR_FAILED, callback.result());
 282
 283   callback.WaitForResult(socket.SetOption(
 284       PP_UDPSOCKET_OPTION_RECV_BUFFER_SIZE, pp::Var(512),
 285       callback.GetCallback()));
 286   CHECK_CALLBACK_BEHAVIOR(callback);
 287   ASSERT_EQ(PP_ERROR_FAILED, callback.result());
 288
 289   pp::NetAddress address;
 290   ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&socket, &address));
 291
 292   // ADDRESS_REUSE and BROADCAST won't take effect after the socket is bound.
 293   callback.WaitForResult(socket.SetOption(
 294       PP_UDPSOCKET_OPTION_ADDRESS_REUSE, pp::Var(true),
 295       callback.GetCallback()));
 296   CHECK_CALLBACK_BEHAVIOR(callback);
 297   ASSERT_EQ(PP_ERROR_FAILED, callback.result());
 298
 299   callback.WaitForResult(socket.SetOption(
 300       PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(true), callback.GetCallback()));
 301   CHECK_CALLBACK_BEHAVIOR(callback);
 302   ASSERT_EQ(PP_ERROR_FAILED, callback.result());
 303
 304   // SEND_BUFFER_SIZE and RECV_BUFFER_SIZE can be set after the socket is bound.
 305   callback.WaitForResult(socket.SetOption(
 306       PP_UDPSOCKET_OPTION_SEND_BUFFER_SIZE, pp::Var(2048),
 307       callback.GetCallback()));
 308   CHECK_CALLBACK_BEHAVIOR(callback);
 309   ASSERT_EQ(PP_OK, callback.result());
 310
 311   callback.WaitForResult(socket.SetOption(
 312       PP_UDPSOCKET_OPTION_RECV_BUFFER_SIZE, pp::Var(1024),
 313       callback.GetCallback()));
 314   CHECK_CALLBACK_BEHAVIOR(callback);
 315   ASSERT_EQ(PP_OK, callback.result());
 316
 317   PASS();
 318 }