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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.
#include "net/tools/quic/quic_simple_client.h"
#include <utility>
#include "base/logging.h"
#include "base/run_loop.h"
#include "base/threading/thread_task_runner_handle.h"
#include "net/base/net_errors.h"
#include "net/http/http_request_info.h"
#include "net/http/http_response_info.h"
#include "net/log/net_log_source.h"
#include "net/log/net_log_with_source.h"
#include "net/quic/chromium/quic_chromium_alarm_factory.h"
#include "net/quic/chromium/quic_chromium_connection_helper.h"
#include "net/quic/chromium/quic_chromium_packet_reader.h"
#include "net/quic/chromium/quic_chromium_packet_writer.h"
#include "net/quic/core/crypto/quic_random.h"
#include "net/quic/core/quic_connection.h"
#include "net/quic/core/quic_flags.h"
#include "net/quic/core/quic_protocol.h"
#include "net/quic/core/quic_server_id.h"
#include "net/quic/core/spdy_utils.h"
#include "net/spdy/spdy_header_block.h"
#include "net/spdy/spdy_http_utils.h"
#include "net/udp/udp_client_socket.h"
using std::string;
using std::vector;
using base::StringPiece;
namespace net {
QuicSimpleClient::QuicSimpleClient(
IPEndPoint server_address,
const QuicServerId& server_id,
const QuicVersionVector& supported_versions,
std::unique_ptr<ProofVerifier> proof_verifier)
: QuicSimpleClient(server_address,
server_id,
supported_versions,
QuicConfig(),
std::move(proof_verifier)) {}
QuicSimpleClient::QuicSimpleClient(
IPEndPoint server_address,
const QuicServerId& server_id,
const QuicVersionVector& supported_versions,
const QuicConfig& config,
std::unique_ptr<ProofVerifier> proof_verifier)
: QuicClientBase(server_id,
supported_versions,
config,
CreateQuicConnectionHelper(),
CreateQuicAlarmFactory(),
std::move(proof_verifier)),
initialized_(false),
packet_reader_started_(false),
weak_factory_(this) {
set_server_address(server_address);
}
QuicSimpleClient::~QuicSimpleClient() {
if (connected()) {
session()->connection()->CloseConnection(
QUIC_PEER_GOING_AWAY, "Shutting down",
ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET);
}
}
bool QuicSimpleClient::CreateUDPSocketAndBind(IPEndPoint server_address,
IPAddress bind_to_address,
int bind_to_port) {
std::unique_ptr<UDPClientSocket> socket(
new UDPClientSocket(DatagramSocket::DEFAULT_BIND, RandIntCallback(),
&net_log_, NetLogSource()));
int address_family = server_address.GetSockAddrFamily();
if (bind_to_address.size() != 0) {
client_address_ = IPEndPoint(bind_to_address, bind_to_port);
} else if (address_family == AF_INET) {
client_address_ = IPEndPoint(IPAddress::IPv4AllZeros(), bind_to_port);
} else {
client_address_ = IPEndPoint(IPAddress::IPv6AllZeros(), bind_to_port);
}
int rc = socket->Connect(server_address);
if (rc != OK) {
LOG(ERROR) << "Connect failed: " << ErrorToShortString(rc);
return false;
}
rc = socket->SetReceiveBufferSize(kDefaultSocketReceiveBuffer);
if (rc != OK) {
LOG(ERROR) << "SetReceiveBufferSize() failed: " << ErrorToShortString(rc);
return false;
}
rc = socket->SetSendBufferSize(kDefaultSocketReceiveBuffer);
if (rc != OK) {
LOG(ERROR) << "SetSendBufferSize() failed: " << ErrorToShortString(rc);
return false;
}
rc = socket->GetLocalAddress(&client_address_);
if (rc != OK) {
LOG(ERROR) << "GetLocalAddress failed: " << ErrorToShortString(rc);
return false;
}
socket_.swap(socket);
packet_reader_.reset(new QuicChromiumPacketReader(
socket_.get(), &clock_, this, kQuicYieldAfterPacketsRead,
QuicTime::Delta::FromMilliseconds(kQuicYieldAfterDurationMilliseconds),
NetLogWithSource()));
if (socket != nullptr) {
socket->Close();
}
return true;
}
void QuicSimpleClient::CleanUpAllUDPSockets() {
reset_writer();
packet_reader_.reset();
packet_reader_started_ = false;
}
void QuicSimpleClient::StartPacketReaderIfNotStarted() {
if (!packet_reader_started_) {
packet_reader_->StartReading();
packet_reader_started_ = true;
}
}
void QuicSimpleClient::RunEventLoop() {
StartPacketReaderIfNotStarted();
base::RunLoop().RunUntilIdle();
}
QuicChromiumConnectionHelper* QuicSimpleClient::CreateQuicConnectionHelper() {
return new QuicChromiumConnectionHelper(&clock_, QuicRandom::GetInstance());
}
QuicChromiumAlarmFactory* QuicSimpleClient::CreateQuicAlarmFactory() {
return new QuicChromiumAlarmFactory(base::ThreadTaskRunnerHandle::Get().get(),
&clock_);
}
QuicPacketWriter* QuicSimpleClient::CreateQuicPacketWriter() {
return new QuicChromiumPacketWriter(socket_.get());
}
void QuicSimpleClient::OnReadError(int result,
const DatagramClientSocket* socket) {
LOG(ERROR) << "QuicSimpleClient read failed: " << ErrorToShortString(result);
Disconnect();
}
IPEndPoint QuicSimpleClient::GetLatestClientAddress() const {
return client_address_;
}
bool QuicSimpleClient::OnPacket(const QuicReceivedPacket& packet,
IPEndPoint local_address,
IPEndPoint peer_address) {
session()->connection()->ProcessUdpPacket(local_address, peer_address,
packet);
if (!session()->connection()->connected()) {
return false;
}
return true;
}
} // namespace net
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