Introduce PPB_UDPSocket_Dev.

ppapi/tests/test_udp_socket.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/tests/test_udp_socket.h"
+
+#include <vector>
+
+#include "ppapi/cpp/dev/tcp_socket_dev.h"
+#include "ppapi/cpp/dev/udp_socket_dev.h"
+#include "ppapi/cpp/pass_ref.h"
+#include "ppapi/cpp/var.h"
+#include "ppapi/tests/test_utils.h"
+#include "ppapi/tests/testing_instance.h"
+
+REGISTER_TEST_CASE(UDPSocket);
+
+namespace {
+
+const uint16_t kPortScanFrom = 1024;
+const uint16_t kPortScanTo = 4096;
+
+pp::NetAddress_Dev ReplacePort(const pp::InstanceHandle& instance,
+                               const pp::NetAddress_Dev& addr,
+                               uint16_t port) {
+  switch (addr.GetFamily()) {
+    case PP_NETADDRESS_FAMILY_UNSPECIFIED: {
+      break;
+    }
+    case PP_NETADDRESS_FAMILY_IPV4: {
+      PP_NetAddress_IPv4_Dev ipv4_addr;
+      if (!addr.DescribeAsIPv4Address(&ipv4_addr))
+        break;
+      ipv4_addr.port = ConvertToNetEndian16(port);
+      return pp::NetAddress_Dev(instance, ipv4_addr);
+    }
+    case PP_NETADDRESS_FAMILY_IPV6: {
+      PP_NetAddress_IPv6_Dev ipv6_addr;
+      if (!addr.DescribeAsIPv6Address(&ipv6_addr))
+        break;
+      ipv6_addr.port = ConvertToNetEndian16(port);
+      return pp::NetAddress_Dev(instance, ipv6_addr);
+    }
+    default: {
+      PP_NOTREACHED();
+    }
+  }
+  return pp::NetAddress_Dev();
+}
+
+}  // namespace
+
+TestUDPSocket::TestUDPSocket(TestingInstance* instance) : TestCase(instance) {
+}
+
+bool TestUDPSocket::Init() {
+  bool tcp_socket_is_available = pp::TCPSocket_Dev::IsAvailable();
+  if (!tcp_socket_is_available)
+    instance_->AppendError("PPB_TCPSocket interface not available");
+
+  bool udp_socket_is_available = pp::UDPSocket_Dev::IsAvailable();
+  if (!udp_socket_is_available)
+    instance_->AppendError("PPB_UDPSocket interface not available");
+
+  bool net_address_is_available = pp::NetAddress_Dev::IsAvailable();
+  if (!net_address_is_available)
+    instance_->AppendError("PPB_NetAddress interface not available");
+
+  std::string host;
+  uint16_t port = 0;
+  bool init_address =
+      GetLocalHostPort(instance_->pp_instance(), &host, &port) &&
+      ResolveHost(instance_->pp_instance(), host, port, &address_);
+  if (!init_address)
+    instance_->AppendError("Can't init address");
+
+  return tcp_socket_is_available &&

[bbudge, 2013/06/10 12:59:56]

It would look nicer if tcp_socket_is_available was on the next line.

[yzshen1, 2013/06/10 22:10:35]

I thought this way conforms to the style guide?
Putting tcp_socket_is_available on the next line takes up more space and seems a
little unusual.

On 2013/06/10 12:59:56, bbudge1 wrote:

[bbudge, 2013/06/11 00:30:39]

OK

+      udp_socket_is_available &&
+      net_address_is_available &&
+      init_address &&
+      CheckTestingInterface() &&
+      EnsureRunningOverHTTP();
+}
+
+void TestUDPSocket::RunTests(const std::string& filter) {
+  RUN_CALLBACK_TEST(TestUDPSocket, ReadWrite, filter);
+  RUN_CALLBACK_TEST(TestUDPSocket, Broadcast, filter);
+  RUN_CALLBACK_TEST(TestUDPSocket, SetOption, filter);
+}
+
+std::string TestUDPSocket::GetLocalAddress(pp::NetAddress_Dev* address) {
+  pp::TCPSocket_Dev socket(instance_);
+  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
+  callback.WaitForResult(socket.Connect(address_, callback.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback);
+  ASSERT_EQ(PP_OK, callback.result());
+  *address = socket.GetLocalAddress();
+  ASSERT_NE(0, address->pp_resource());
+  socket.Close();
+  PASS();
+}
+
+std::string TestUDPSocket::SetBroadcastOptions(pp::UDPSocket_Dev* socket) {
+  TestCompletionCallback callback_1(instance_->pp_instance(), callback_type());
+  callback_1.WaitForResult(socket->SetOption(
+      PP_UDPSOCKET_OPTION_ADDRESS_REUSE, pp::Var(true),
+      callback_1.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback_1);
+  ASSERT_EQ(PP_OK, callback_1.result());
+
+  TestCompletionCallback callback_2(instance_->pp_instance(), callback_type());
+  callback_2.WaitForResult(socket->SetOption(
+      PP_UDPSOCKET_OPTION_BROADCAST, pp::Var(true), callback_2.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback_2);
+  ASSERT_EQ(PP_OK, callback_2.result());
+
+  PASS();
+}
+
+std::string TestUDPSocket::BindUDPSocket(pp::UDPSocket_Dev* socket,
+                                         const pp::NetAddress_Dev& address) {
+  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
+  callback.WaitForResult(socket->Bind(address, callback.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback);
+  ASSERT_EQ(PP_OK, callback.result());
+  PASS();
+}
+
+std::string TestUDPSocket::LookupPortAndBindUDPSocket(
+    pp::UDPSocket_Dev* socket,
+    pp::NetAddress_Dev* address) {
+  pp::NetAddress_Dev base_address;
+  ASSERT_SUBTEST_SUCCESS(GetLocalAddress(&base_address));
+
+  bool is_free_port_found = false;
+  for (uint16_t port = kPortScanFrom; port < kPortScanTo; ++port) {
+    pp::NetAddress_Dev new_address = ReplacePort(instance_, base_address, port);
+    ASSERT_NE(0, new_address.pp_resource());
+    if (BindUDPSocket(socket, new_address).empty()) {
+      is_free_port_found = true;
+      break;
+    }
+  }
+  if (!is_free_port_found)
+    return "Can't find available port";
+
+  *address = socket->GetBoundAddress();
+  ASSERT_NE(0, address->pp_resource());
+
+  PASS();
+}
+
+std::string TestUDPSocket::ReadSocket(pp::UDPSocket_Dev* socket,
+                                      pp::NetAddress_Dev* address,
+                                      size_t size,
+                                      std::string* message) {
+  std::vector<char> buffer(size);
+  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
+  PP_Resource out_address = 0;
+  callback.WaitForResult(
+      socket->RecvFrom(&buffer[0], size, &out_address, callback.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback);
+  ASSERT_FALSE(callback.result() < 0);
+  ASSERT_EQ(size, static_cast<size_t>(callback.result()));
+  *address = pp::NetAddress_Dev(pp::PASS_REF, out_address);
+  message->assign(buffer.begin(), buffer.end());
+  PASS();
+}
+
+std::string TestUDPSocket::PassMessage(pp::UDPSocket_Dev* target,
+                                       pp::UDPSocket_Dev* source,
+                                       const pp::NetAddress_Dev& target_address,
+                                       const std::string& message,
+                                       pp::NetAddress_Dev* recvfrom_address) {
+  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
+  int32_t rv = source->SendTo(message.c_str(), message.size(),
+                              target_address,
+                              callback.GetCallback());
+  std::string str;
+  ASSERT_SUBTEST_SUCCESS(ReadSocket(target, recvfrom_address, message.size(),
+                                    &str));
+
+  callback.WaitForResult(rv);
+  CHECK_CALLBACK_BEHAVIOR(callback);
+  ASSERT_FALSE(callback.result() < 0);
+  ASSERT_EQ(message.size(), static_cast<size_t>(callback.result()));
+  ASSERT_EQ(message, str);
+  PASS();
+}
+
+std::string TestUDPSocket::TestReadWrite() {
+  pp::UDPSocket_Dev server_socket(instance_), client_socket(instance_);
+  pp::NetAddress_Dev server_address, client_address;
+
+  ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&server_socket,
+                                                    &server_address));
+  ASSERT_SUBTEST_SUCCESS(LookupPortAndBindUDPSocket(&client_socket,
+                                                    &client_address));
+  const std::string message = "Simple message that will be sent via UDP";
+  pp::NetAddress_Dev recvfrom_address;
+  ASSERT_SUBTEST_SUCCESS(PassMessage(&server_socket, &client_socket,
+                                     server_address, message,
+                                     &recvfrom_address));
+  ASSERT_TRUE(EqualNetAddress(recvfrom_address, client_address));
+
+  server_socket.Close();
+  client_socket.Close();
+
+  if (server_socket.GetBoundAddress().pp_resource() != 0)
+    return "PPB_UDPSocket::GetBoundAddress: expected failure";
+
+  PASS();
+}
+
+std::string TestUDPSocket::TestBroadcast() {
+  pp::UDPSocket_Dev server1(instance_), server2(instance_);
+
+  ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&server1));
+  ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&server2));
+
+  PP_NetAddress_IPv4_Dev any_ipv4_address = { 0, 0, { 0, 0, 0, 0 } };
+  pp::NetAddress_Dev any_address(instance_, any_ipv4_address);
+  ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&server1, any_address));
+  // Fill port field of |server_address|.
+  pp::NetAddress_Dev server_address = server1.GetBoundAddress();
+  ASSERT_NE(0, server_address.pp_resource());
+  ASSERT_SUBTEST_SUCCESS(BindUDPSocket(&server2, server_address));
+
+  PP_NetAddress_IPv4_Dev server_ipv4_address;
+  ASSERT_TRUE(server_address.DescribeAsIPv4Address(&server_ipv4_address));
+
+  PP_NetAddress_IPv4_Dev broadcast_ipv4_address = {
+    server_ipv4_address.port, 0, { 0xff, 0xff, 0xff, 0xff }
+  };
+  pp::NetAddress_Dev broadcast_address(instance_, broadcast_ipv4_address);
+
+  std::string message;
+  const std::string first_message = "first message";
+  const std::string second_message = "second_message";
+
+  pp::NetAddress_Dev recvfrom_address;
+  ASSERT_SUBTEST_SUCCESS(PassMessage(&server1, &server2, broadcast_address,
+                                     first_message, &recvfrom_address));
+  // |first_message| also arrived to |server2|.
+  ASSERT_SUBTEST_SUCCESS(ReadSocket(&server2, &recvfrom_address,
+                                    first_message.size(), &message));
+  ASSERT_EQ(first_message, message);
+
+  ASSERT_SUBTEST_SUCCESS(PassMessage(&server2, &server1, broadcast_address,
+                                     second_message, &recvfrom_address));
+  // |second_message| also arrived to |server1|.
+  ASSERT_SUBTEST_SUCCESS(ReadSocket(&server1, &recvfrom_address,
+                                    second_message.size(), &message));
+  ASSERT_EQ(second_message, message);
+
+  server1.Close();
+  server2.Close();
+  PASS();
+}
+
+std::string TestUDPSocket::TestSetOption() {
+  pp::UDPSocket_Dev socket(instance_);
+
+  ASSERT_SUBTEST_SUCCESS(SetBroadcastOptions(&socket));
+
+  // Try to pass incorrect option value's type.
+  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
+  callback.WaitForResult(socket.SetOption(
+      PP_UDPSOCKET_OPTION_ADDRESS_REUSE, pp::Var(1), callback.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback);
+  ASSERT_EQ(PP_ERROR_BADARGUMENT, callback.result());
+
+  PASS();
+}