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// 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.
// A binary wrapper for QuicClient.
// Connects to a host using QUIC, sends a request to the provided URL, and
// displays the response.
//
// Some usage examples:
//
// Standard request/response:
// quic_client www.google.com
// quic_client www.google.com --quiet
// quic_client www.google.com --port=443
//
// Use a specific version:
// quic_client www.google.com --quic_version=23
//
// Send a POST instead of a GET:
// quic_client www.google.com --body="this is a POST body"
//
// Append additional headers to the request:
// quic_client www.google.com --headers="Header-A: 1234; Header-B: 5678"
//
// Connect to a host different to the URL being requested:
// quic_client mail.google.com --host=www.google.com
//
// Connect to a specific IP:
// IP=`dig www.google.com +short | head -1`
// quic_client www.google.com --host=${IP}
//
// Send repeated requests and change ephemeral port between requests
// quic_client www.google.com --num_requests=10
//
// Try to connect to a host which does not speak QUIC:
// quic_client www.example.com
//
// This tool is available as a built binary at:
// /google/data/ro/teams/quic/tools/quic_client
// After submitting changes to this file, you will need to follow the
// instructions at go/quic_client_binary_update
#include <netdb.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include "net/third_party/quiche/src/quic/core/quic_packets.h"
#include "net/third_party/quiche/src/quic/core/quic_server_id.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_ptr_util.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_socket_address.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_system_event_loop.h"
#include "net/third_party/quiche/src/quic/tools/quic_toy_client.h"
namespace {
using quic::QuicSocketAddress;
using quic::QuicStringPiece;
QuicSocketAddress LookupAddress(std::string host, std::string port) {
addrinfo hint;
memset(&hint, 0, sizeof(hint));
hint.ai_protocol = IPPROTO_UDP;
addrinfo* info_list = nullptr;
int result = getaddrinfo(host.c_str(), port.c_str(), &hint, &info_list);
if (result != 0) {
QUIC_LOG(ERROR) << "Failed to look up " << host << ": "
<< gai_strerror(result);
return QuicSocketAddress();
}
CHECK(info_list != nullptr);
std::unique_ptr<addrinfo, void (*)(addrinfo*)> info_list_owned(info_list,
freeaddrinfo);
return QuicSocketAddress(*info_list->ai_addr);
}
class QuicEpollClientFactory : public quic::QuicToyClientBase::ClientFactory {
public:
std::unique_ptr<quic::QuicSpdyClientBase> CreateClient(
std::string host,
uint16_t port,
quic::ParsedQuicVersionVector versions,
std::unique_ptr<quic::ProofVerifier> verifier) {
quic::QuicSocketAddress addr = LookupAddress(host, quic::QuicStrCat(port));
if (!addr.IsInitialized()) {
QUIC_LOG(ERROR) << "Unable to resolve address: " << host;
return nullptr;
}
quic::QuicServerId server_id(host, port, false);
return quic::QuicMakeUnique<quic::QuicClient>(
addr, server_id, versions, &epoll_server_, std::move(verifier));
}
private:
quic::QuicEpollServer epoll_server_;
};
} // namespace
int main(int argc, char* argv[]) {
QuicSystemEventLoop event_loop("quic_client");
const char* usage = "Usage: quic_client [options] <url>";
// All non-flag arguments should be interpreted as URLs to fetch.
std::vector<std::string> urls =
quic::QuicParseCommandLineFlags(usage, argc, argv);
if (urls.size() != 1) {
quic::QuicPrintCommandLineFlagHelp(usage);
exit(0);
}
QuicEpollClientFactory factory;
quic::QuicToyClientBase client(&factory);
return client.SendRequestsAndPrintResponses(urls);
}