net/tools/quic/quic_client_bin.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 // A binary wrapper for QuicClient.
   6 // Connects to a host using QUIC, and sends requests to the provided URLS.
   7 //
   8 // Example usage:
   9 //  quic_client --address=127.0.0.1 --port=6122 --hostname=www.google.com
  10 //      http://www.google.com/index.html http://www.google.com/favicon.ico
  11
  12 #include <iostream>
  13
  14 #include "base/at_exit.h"
  15 #include "base/command_line.h"
  16 #include "base/logging.h"
  17 #include "base/strings/string_number_conversions.h"
  18 #include "net/base/ip_endpoint.h"
  19 #include "net/base/privacy_mode.h"
  20 #include "net/quic/quic_protocol.h"
  21 #include "net/quic/quic_server_id.h"
  22 #include "net/tools/epoll_server/epoll_server.h"
  23 #include "net/tools/quic/quic_client.h"
  24
  25 std::string FLAGS_address = "127.0.0.1";
  26 // The IP or hostname the quic client will connect to.
  27 std::string FLAGS_hostname = "localhost";
  28 // The port the quic client will connect to.
  29 int32 FLAGS_port = 6121;
  30 // Check the certificates using proof verifier.
  31 bool FLAGS_secure = false;
  32 // QUIC version to speak, e.g. 21. Default value of 0 means 'use the latest
  33 // version'.
  34 int32 FLAGS_quic_version = 0;
  35 // Size of flow control receive window to advertize to the peer.
  36 int32 FLAGS_flow_control_window_bytes = 10 * 1024 * 1024;  // 10 Mb
  37
  38 int main(int argc, char *argv[]) {
  39   base::CommandLine::Init(argc, argv);
  40   base::CommandLine* line = base::CommandLine::ForCurrentProcess();
  41   const base::CommandLine::StringVector& urls = line->GetArgs();
  42
  43   logging::LoggingSettings settings;
  44   settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
  45   CHECK(logging::InitLogging(settings));
  46
  47   if (line->HasSwitch("h") || line->HasSwitch("help") || urls.empty()) {
  48     const char* help_str =
  49         "Usage: quic_client [options] <url> ...\n"
  50         "\n"
  51         "At least one <url> with scheme must be provided "
  52         "(e.g. http://www.google.com/)\n\n"
  53         "Options:\n"
  54         "-h, --help                  show this help message and exit\n"
  55         "--port=<port>               specify the port to connect to\n"
  56         "--address=<address>         specify the IP address to connect to\n"
  57         "--host=<host>               specify the SNI hostname to use\n"
  58         "--secure                    check certificates\n"
  59         "--quic-version=<quic version> specify QUIC version to speak\n"
  60         "--flow-control-window-bytes=<bytes> specify size of flow control "
  61         "receive window to advertize to the peer\n";
  62     std::cout << help_str;
  63     exit(0);
  64   }
  65   if (line->HasSwitch("port")) {
  66     int port;
  67     if (base::StringToInt(line->GetSwitchValueASCII("port"), &port)) {
  68       FLAGS_port = port;
  69     }
  70   }
  71   if (line->HasSwitch("address")) {
  72     FLAGS_address = line->GetSwitchValueASCII("address");
  73   }
  74   if (line->HasSwitch("hostname")) {
  75     FLAGS_hostname = line->GetSwitchValueASCII("hostname");
  76   }
  77   if (line->HasSwitch("secure")) {
  78     FLAGS_secure = true;
  79   }
  80   if (line->HasSwitch("quic-version")) {
  81     int quic_version;
  82     if (base::StringToInt(line->GetSwitchValueASCII("quic-version"),
  83                           &quic_version)) {
  84       FLAGS_quic_version = quic_version;
  85     }
  86   }
  87   if (line->HasSwitch("flow-control-window-bytes")) {
  88     int flow_control_window_bytes;
  89     if (base::StringToInt(
  90             line->GetSwitchValueASCII("flow-control-window-bytes"),
  91             &flow_control_window_bytes)) {
  92       FLAGS_flow_control_window_bytes = flow_control_window_bytes;
  93     }
  94   }
  95   VLOG(1) << "server port: " << FLAGS_port
  96           << " address: " << FLAGS_address
  97           << " hostname: " << FLAGS_hostname
  98           << " secure: " << FLAGS_secure
  99           << " quic-version: " << FLAGS_quic_version;
 100
 101   base::AtExitManager exit_manager;
 102
 103   // Determine IP address to connect to from supplied hostname.
 104   net::IPAddressNumber addr;
 105   CHECK(net::ParseIPLiteralToNumber(FLAGS_address, &addr));
 106
 107   // Populate version vector with all versions if none specified.
 108   net::QuicVersionVector versions;
 109   if (FLAGS_quic_version == 0) {
 110     versions = net::QuicSupportedVersions();
 111   } else {
 112     versions.push_back(static_cast<net::QuicVersion>(FLAGS_quic_version));
 113   }
 114
 115   // Build the client, and try to connect.
 116   VLOG(1) << "Conecting to " << FLAGS_hostname << ":" << FLAGS_port
 117           << " with supported versions "
 118           << QuicVersionVectorToString(versions);
 119   net::EpollServer epoll_server;
 120   net::QuicConfig config;
 121
 122   // The default flow control window of 16 Kb is too small for practical
 123   // purposes. Set it to the specified value, which has a large default.
 124   config.SetInitialFlowControlWindowToSend(
 125       FLAGS_flow_control_window_bytes);
 126   config.SetInitialStreamFlowControlWindowToSend(
 127       FLAGS_flow_control_window_bytes);
 128   config.SetInitialSessionFlowControlWindowToSend(
 129       FLAGS_flow_control_window_bytes);
 130
 131   net::tools::QuicClient client(
 132       net::IPEndPoint(addr, FLAGS_port),
 133       net::QuicServerId(FLAGS_hostname, FLAGS_port, FLAGS_secure,
 134                         net::PRIVACY_MODE_DISABLED),
 135       versions, true, config, &epoll_server);
 136
 137   client.Initialize();
 138
 139   if (!client.Connect()) {
 140     LOG(ERROR) << "Client failed to connect to host: "
 141                << FLAGS_hostname << ":" << FLAGS_port;
 142     return 1;
 143   }
 144
 145   // Send a GET request for each supplied url.
 146   client.SendRequestsAndWaitForResponse(urls);
 147   return 0;
 148 }