137 lines
4.5 KiB
C++
137 lines
4.5 KiB
C++
/*
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* Copyright (c) 2008-2011 Juli Mallett. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <event/event_system.h>
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#include "proxy_connector.h"
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#include "proxy_listener.h"
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////////////////////////////////////////////////////////////////////////////////
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// //
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// File: proxy_listener.cc //
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// Description: listens on a port spawning a connector for each client //
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// Project: WANProxy XTech //
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// Adapted by: Andreu Vidal Bramfeld-Software //
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// Last modified: 2016-02-28 //
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// //
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////////////////////////////////////////////////////////////////////////////////
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ProxyListener::ProxyListener (const std::string& name,
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WANProxyCodec* local_codec,
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WANProxyCodec* remote_codec,
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SocketAddressFamily local_family,
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const std::string& local_address,
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SocketAddressFamily remote_family,
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const std::string& remote_address,
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bool cln, bool ssh)
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: log_("/wanproxy/" + name + "/listener"),
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name_(name),
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local_codec_(local_codec),
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remote_codec_(remote_codec),
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local_family_(local_family),
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local_address_(local_address),
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remote_family_(remote_family),
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remote_address_(remote_address),
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is_cln_(cln),
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is_ssh_(ssh),
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accept_action_(0),
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stop_action_(0)
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{
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launch_service ();
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}
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ProxyListener::~ProxyListener ()
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{
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if (accept_action_)
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accept_action_->cancel ();
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if (stop_action_)
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stop_action_->cancel ();
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close ();
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}
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void ProxyListener::launch_service ()
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{
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if (listen (local_family_, local_address_))
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{
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accept_action_ = accept (callback (this, &ProxyListener::accept_complete));
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INFO(log_) << "Listening on: " << getsockname ();
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}
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else
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{
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HALT(log_) << "Unable to create listener.";
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}
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}
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void ProxyListener::refresh (const std::string& name,
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WANProxyCodec* local_codec,
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WANProxyCodec* remote_codec,
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SocketAddressFamily local_family,
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const std::string& local_address,
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SocketAddressFamily remote_family,
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const std::string& remote_address,
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bool cln, bool ssh)
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{
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bool relaunch = (local_address != local_address_);
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bool redirect = (remote_address != remote_address_);
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name_ = name;
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local_codec_ = local_codec;
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remote_codec_ = remote_codec;
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local_family_ = local_family;
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local_address_ = local_address;
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remote_family_ = remote_family;
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remote_address_ = remote_address;
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is_cln_ = cln;
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is_ssh_ = ssh;
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if (relaunch)
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{
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if (accept_action_)
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accept_action_->cancel (), accept_action_ = 0;
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launch_service ();
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}
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if (redirect)
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{
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INFO(log_) << "Peer address: " << remote_address_;
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}
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}
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void ProxyListener::accept_complete (Event e, Socket* sck)
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{
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switch (e.type_)
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{
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case Event::Done:
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DEBUG(log_) << "Accepted client: " << sck->getpeername ();
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new ProxyConnector (name_, local_codec_, remote_codec_, sck, remote_family_, remote_address_, is_cln_, is_ssh_);
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break;
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case Event::Error:
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ERROR(log_) << "Accept error: " << e;
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break;
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default:
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ERROR(log_) << "Unexpected event: " << e;
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break;
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}
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}
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