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