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63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// Copyright 2017 The Chromium Authors. 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_TEST_TCP_SOCKET_PROXY_H_
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#define NET_TEST_TCP_SOCKET_PROXY_H_
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#include <stdint.h>
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#include <memory>
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#include "base/memory/ref_counted.h"
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#include "base/threading/thread_checker.h"
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namespace base {
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class SingleThreadTaskRunner;
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} // namespace base
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namespace net {
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class IPEndPoint;
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// TcpSocketProxy proxies TCP connection from localhost to a remote IP address.
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class TcpSocketProxy {
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public:
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explicit TcpSocketProxy(
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scoped_refptr<base::SingleThreadTaskRunner> io_task_runner);
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~TcpSocketProxy();
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// Initializes local socket for the proxy. If |local_port| is not 0 then the
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// proxy will listen on that port. Otherwise the socket will be bound to an
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// available port and local_port() should be used to get the port number.
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// Returns false if initialization fails.
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bool Initialize(int local_port = 0);
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// Local port number for the proxy or 0 if the proxy is not initialized.
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uint16_t local_port() const { return local_port_; }
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// Starts the proxy for the specified |remote_endpoint|. Must be called after
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// a successful Initialize() call and before any incoming connection on
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// local_port() are initiated. Port number in |remote_endpoint| may be
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// different from local_port().
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void Start(const IPEndPoint& remote_endpoint);
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private:
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class Core;
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scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
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// Core implements the proxy functionality. It runs on |io_task_runner_|.
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std::unique_ptr<Core> core_;
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uint16_t local_port_ = 0;
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THREAD_CHECKER(thread_checker_);
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DISALLOW_COPY_AND_ASSIGN(TcpSocketProxy);
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};
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} // namespace net
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#endif // NET_TEST_TCP_SOCKET_PROXY_H_
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