net/udp/udp_socket_perftest.cc

   1 // Copyright 2015 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 "base/basictypes.h"
   6 #include "base/bind.h"
   7 #include "base/memory/weak_ptr.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/run_loop.h"
  10 #include "base/test/perf_time_logger.h"
  11 #include "net/base/io_buffer.h"
  12 #include "net/base/ip_endpoint.h"
  13 #include "net/base/net_errors.h"
  14 #include "net/base/net_util.h"
  15 #include "net/base/test_completion_callback.h"
  16 #include "net/log/net_log_unittest.h"
  17 #include "net/test/net_test_suite.h"
  18 #include "net/udp/udp_client_socket.h"
  19 #include "net/udp/udp_server_socket.h"
  20 #include "net/udp/udp_socket.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22 #include "testing/platform_test.h"
  23
  24 namespace net {
  25
  26 namespace {
  27
  28 class UDPSocketPerfTest : public PlatformTest {
  29  public:
  30   UDPSocketPerfTest()
  31       : buffer_(new IOBufferWithSize(kPacketSize)), weak_factory_(this) {}
  32
  33   void DoneWritePacketsToSocket(UDPClientSocket* socket,
  34                                 int num_of_packets,
  35                                 base::Closure done_callback,
  36                                 int error) {
  37     WritePacketsToSocket(socket, num_of_packets, done_callback);
  38   }
  39
  40   // Send |num_of_packets| to |socket|. Invoke |done_callback| when done.
  41   void WritePacketsToSocket(UDPClientSocket* socket,
  42                             int num_of_packets,
  43                             base::Closure done_callback);
  44
  45   // Use non-blocking IO if |use_nonblocking_io| is true. This variable only
  46   // has effect on Windows.
  47   void WriteBenchmark(bool use_nonblocking_io);
  48
  49  protected:
  50   static const int kPacketSize = 1024;
  51   scoped_refptr<IOBufferWithSize> buffer_;
  52   base::WeakPtrFactory<UDPSocketPerfTest> weak_factory_;
  53 };
  54
  55 // Creates and address from an ip/port and returns it in |address|.
  56 void CreateUDPAddress(std::string ip_str, uint16 port, IPEndPoint* address) {
  57   IPAddressNumber ip_number;
  58   bool rv = ParseIPLiteralToNumber(ip_str, &ip_number);
  59   if (!rv)
  60     return;
  61   *address = IPEndPoint(ip_number, port);
  62 }
  63
  64 void UDPSocketPerfTest::WritePacketsToSocket(UDPClientSocket* socket,
  65                                              int num_of_packets,
  66                                              base::Closure done_callback) {
  67   scoped_refptr<IOBufferWithSize> io_buffer(new IOBufferWithSize(kPacketSize));
  68   memset(io_buffer->data(), 'G', kPacketSize);
  69
  70   while (num_of_packets) {
  71     int rv =
  72         socket->Write(io_buffer.get(), io_buffer->size(),
  73                       base::Bind(&UDPSocketPerfTest::DoneWritePacketsToSocket,
  74                                  weak_factory_.GetWeakPtr(), socket,
  75                                  num_of_packets - 1, done_callback));
  76     if (rv == ERR_IO_PENDING)
  77       break;
  78     --num_of_packets;
  79   }
  80   if (!num_of_packets) {
  81     done_callback.Run();
  82     return;
  83   }
  84 }
  85
  86 void UDPSocketPerfTest::WriteBenchmark(bool use_nonblocking_io) {
  87   base::MessageLoopForIO message_loop;
  88   const uint16 kPort = 9999;
  89
  90   // Setup the server to listen.
  91   IPEndPoint bind_address;
  92   CreateUDPAddress("127.0.0.1", kPort, &bind_address);
  93   TestNetLog server_log;
  94   scoped_ptr<UDPServerSocket> server(
  95       new UDPServerSocket(&server_log, NetLog::Source()));
  96 #if defined(OS_WIN)
  97   if (use_nonblocking_io)
  98     server->UseNonBlockingIO();
  99 #endif
 100   int rv = server->Listen(bind_address);
 101   ASSERT_EQ(OK, rv);
 102
 103   // Setup the client.
 104   IPEndPoint server_address;
 105   CreateUDPAddress("127.0.0.1", kPort, &server_address);
 106   TestNetLog client_log;
 107   scoped_ptr<UDPClientSocket> client(
 108       new UDPClientSocket(DatagramSocket::DEFAULT_BIND, RandIntCallback(),
 109                           &client_log, NetLog::Source()));
 110 #if defined(OS_WIN)
 111   if (use_nonblocking_io)
 112     client->UseNonBlockingIO();
 113 #endif
 114   rv = client->Connect(server_address);
 115   EXPECT_EQ(OK, rv);
 116
 117   base::RunLoop run_loop;
 118   base::TimeTicks start_ticks = base::TimeTicks::Now();
 119   int packets = 100000;
 120   client->SetSendBufferSize(1024);
 121   WritePacketsToSocket(client.get(), packets, run_loop.QuitClosure());
 122   run_loop.Run();
 123
 124   double elapsed = (base::TimeTicks::Now() - start_ticks).InSecondsF();
 125   LOG(INFO) << "Write speed: " << packets / 1024 / elapsed << " MB/s";
 126 }
 127
 128 TEST_F(UDPSocketPerfTest, Write) {
 129   base::PerfTimeLogger timer("UDP_socket_write");
 130   WriteBenchmark(false);
 131 }
 132
 133 #if defined(OS_WIN)
 134 TEST_F(UDPSocketPerfTest, WriteNonBlocking) {
 135   base::PerfTimeLogger timer("UDP_socket_write_nonblocking");
 136   WriteBenchmark(true);
 137 }
 138 #endif
 139
 140 }  // namespace
 141
 142 }  // namespace net