blob: fa5bea847692db400bc47efbfe365fc00aa6e79d [file] [log] [blame]
// Copyright (c) 2017 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 <cstdio>
#include <memory>
#include <string>
#include "net/base/completion_once_callback.h"
#include "net/base/load_timing_info.h"
#include "net/http/proxy_client_socket.h"
#include "net/quic/quic_chromium_client_session.h"
#include "net/quic/quic_chromium_client_stream.h"
#include "net/spdy/spdy_read_queue.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
namespace net {
class HttpAuthController;
// QuicProxyClientSocket provides a socket interface to an underlying
// QuicChromiumClientStream. Bytes written to/read from a QuicProxyClientSocket
// are sent/received via STREAM frames in the underlying QUIC stream.
class NET_EXPORT_PRIVATE QuicProxyClientSocket : public ProxyClientSocket {
// Create a socket on top of the |stream| by sending a HEADERS CONNECT
// frame for |endpoint|. After the response HEADERS frame is received, any
// data read/written to the socket will be transferred in STREAM frames.
std::unique_ptr<QuicChromiumClientStream::Handle> stream,
std::unique_ptr<QuicChromiumClientSession::Handle> session,
const std::string& user_agent,
const HostPortPair& endpoint,
const NetLogWithSource& net_log,
HttpAuthController* auth_controller);
// On destruction Disconnect() is called.
~QuicProxyClientSocket() override;
// ProxyClientSocket methods:
const HttpResponseInfo* GetConnectResponseInfo() const override;
// QUIC46
std::unique_ptr<HttpStream> CreateConnectResponseStream() override;
const scoped_refptr<HttpAuthController>& GetAuthController() const override;
int RestartWithAuth(CompletionOnceCallback callback) override;
bool IsUsingSpdy() const override;
NextProto GetProxyNegotiatedProtocol() const override;
void SetStreamPriority(RequestPriority priority) override;
// StreamSocket implementation.
int Connect(CompletionOnceCallback callback) override;
void Disconnect() override;
bool IsConnected() const override;
bool IsConnectedAndIdle() const override;
const NetLogWithSource& NetLog() const override;
bool WasEverUsed() const override;
bool WasAlpnNegotiated() const override;
NextProto GetNegotiatedProtocol() const override;
bool GetSSLInfo(SSLInfo* ssl_info) override;
void GetConnectionAttempts(ConnectionAttempts* out) const override;
void ClearConnectionAttempts() override {}
void AddConnectionAttempts(const ConnectionAttempts& attempts) override {}
int64_t GetTotalReceivedBytes() const override;
void ApplySocketTag(const SocketTag& tag) override;
// Socket implementation.
int Read(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback) override;
int Write(IOBuffer* buf,
int buf_len,
CompletionOnceCallback callback,
const NetworkTrafficAnnotationTag& traffic_annotation) override;
int SetReceiveBufferSize(int32_t size) override;
int SetSendBufferSize(int32_t size) override;
int GetPeerAddress(IPEndPoint* address) const override;
int GetLocalAddress(IPEndPoint* address) const override;
enum State {
void OnIOComplete(int result); // Callback used during connecting
void OnReadComplete(int rv);
void OnWriteComplete(int rv);
// Callback for stream_->ReadInitialHeaders()
void OnReadResponseHeadersComplete(int result);
int ProcessResponseHeaders(const spdy::SpdyHeaderBlock& headers);
int DoLoop(int last_io_result);
int DoGenerateAuthToken();
int DoGenerateAuthTokenComplete(int result);
int DoSendRequest();
int DoSendRequestComplete(int result);
int DoReadReply();
int DoReadReplyComplete(int result);
bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const;
State next_state_;
// Handle to the QUIC Stream that this sits on top of.
std::unique_ptr<QuicChromiumClientStream::Handle> stream_;
// Handle to the session that |stream_| belongs to.
std::unique_ptr<QuicChromiumClientSession::Handle> session_;
// Stores the callback for Connect().
CompletionOnceCallback connect_callback_;
// Stores the callback for Read().
CompletionOnceCallback read_callback_;
// Stores the read buffer pointer for Read().
IOBuffer* read_buf_;
// Stores the callback for Write().
CompletionOnceCallback write_callback_;
// Stores the write buffer length for Write().
int write_buf_len_;
// CONNECT request and response.
HttpRequestInfo request_;
HttpResponseInfo response_;
spdy::SpdyHeaderBlock response_header_block_;
// The hostname and port of the endpoint. This is not necessarily the one
// specified by the URL, due to Alternate-Protocol or fixed testing ports.
const HostPortPair endpoint_;
scoped_refptr<HttpAuthController> auth_;
std::string user_agent_;
// Session connect timing info.
LoadTimingInfo::ConnectTiming connect_timing_;
const NetLogWithSource net_log_;
// The default weak pointer factory.
base::WeakPtrFactory<QuicProxyClientSocket> weak_factory_;
} // namespace net