mirror of
https://github.com/klzgrad/naiveproxy.git
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116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
// Copyright 2018 The Chromium Authors. All rights reserved.
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// Copyright 2018 klzgrad <kizdiv@gmail.com>. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_TOOLS_NAIVE_NAIVE_CLIENT_CONNECTION_H_
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#define NET_TOOLS_NAIVE_NAIVE_CLIENT_CONNECTION_H_
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#include <memory>
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#include "base/macros.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/weak_ptr.h"
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#include "base/time/time.h"
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#include "net/base/completion_callback.h"
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#include "net/base/host_port_pair.h"
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#include "net/log/net_log_with_source.h"
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#include "net/proxy/proxy_info.h"
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#include "net/ssl/ssl_config.h"
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namespace net {
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class ClientSocketHandle;
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class DrainableIOBuffer;
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class HttpNetworkSession;
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class IOBuffer;
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class Socks5ServerSocket;
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class StreamSocket;
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class NaiveClientConnection {
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public:
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using TimeFunc = base::TimeTicks (*)();
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NaiveClientConnection(int id,
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std::unique_ptr<StreamSocket> accepted_socket,
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HttpNetworkSession* session);
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~NaiveClientConnection();
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int id() const { return id_; }
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int Connect(const CompletionCallback& callback);
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void Disconnect();
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int Run(const CompletionCallback& callback);
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private:
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enum State {
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STATE_CONNECT_CLIENT,
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STATE_CONNECT_CLIENT_COMPLETE,
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STATE_CONNECT_SERVER,
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STATE_CONNECT_SERVER_COMPLETE,
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STATE_NONE,
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};
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// From this direction.
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enum Direction {
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kClient = 0,
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kServer = 1,
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kNumDirections = 2,
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};
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void DoCallback(int result);
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void OnIOComplete(int result);
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int DoLoop(int last_io_result);
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int DoConnectClient();
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int DoConnectClientComplete(int result);
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int DoConnectServer();
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int DoConnectServerComplete(int result);
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void Pull(Direction from, Direction to);
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void Push(Direction from, Direction to, int size);
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void Disconnect(Direction side);
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bool IsConnected(Direction side);
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void OnBothDisconnected();
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void OnPullError(Direction from, Direction to, int error);
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void OnPushError(Direction from, Direction to, int error);
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void OnPullComplete(Direction from, Direction to, int result);
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void OnPushComplete(Direction from, Direction to, int result);
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int id_;
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CompletionCallback io_callback_;
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CompletionCallback connect_callback_;
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CompletionCallback run_callback_;
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State next_state_;
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HttpNetworkSession* session_;
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NetLogWithSource net_log_;
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HostPortPair request_endpoint_;
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std::unique_ptr<Socks5ServerSocket> client_socket_;
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std::unique_ptr<ClientSocketHandle> server_socket_handle_;
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StreamSocket* sockets_[kNumDirections];
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scoped_refptr<IOBuffer> read_buffers_[kNumDirections];
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scoped_refptr<DrainableIOBuffer> write_buffers_[kNumDirections];
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int errors_[kNumDirections];
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bool write_pending_[kNumDirections];
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int bytes_passed_without_yielding_[kNumDirections];
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base::TimeTicks yield_after_time_[kNumDirections];
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bool early_pull_pending_;
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bool can_push_to_server_;
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int early_pull_result_;
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bool full_duplex_;
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TimeFunc time_func_;
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base::WeakPtrFactory<NaiveClientConnection> weak_ptr_factory_;
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DISALLOW_COPY_AND_ASSIGN(NaiveClientConnection);
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};
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} // namespace net
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#endif // NET_TOOLS_NAIVE_NAIVE_CLIENT_CONNECTION_H_
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