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106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
/** \file ResolvSocket.h
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** \date 2005-03-24
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** \author grymse@alhem.net
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**/
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/*
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Copyright (C) 2004-2007 Anders Hedstrom
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This library is made available under the terms of the GNU GPL.
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If you would like to use this library in a closed-source application,
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a separate license agreement is available. For information about
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the closed-source license agreement for the C++ sockets library,
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please visit http://www.alhem.net/Sockets/license.html and/or
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email license@alhem.net.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _SOCKETS_ResolvSocket_H
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#define _SOCKETS_ResolvSocket_H
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#include "sockets-config.h"
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#ifdef ENABLE_RESOLVER
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#include "TcpSocket.h"
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#include <map>
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#ifdef SOCKETS_NAMESPACE
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namespace SOCKETS_NAMESPACE {
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#endif
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class Mutex;
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/** Async DNS resolver socket.
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\ingroup async */
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class ResolvSocket : public TcpSocket
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{
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typedef std::map<std::string, /* type */
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std::map<std::string, std::string> > cache_t; /* host, result */
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typedef std::map<std::string, /* type */
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std::map<std::string, time_t> > timeout_t; /* host, time */
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public:
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ResolvSocket(ISocketHandler&);
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ResolvSocket(ISocketHandler&, Socket *parent, const std::string& host, port_t port, bool ipv6 = false);
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ResolvSocket(ISocketHandler&, Socket *parent, ipaddr_t);
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#ifdef ENABLE_IPV6
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ResolvSocket(ISocketHandler&, Socket *parent, in6_addr&);
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#endif
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~ResolvSocket();
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void OnAccept() { m_bServer = true; }
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void OnLine(const std::string& line);
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void OnDetached();
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void OnDelete();
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void SetId(int x) { m_resolv_id = x; }
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int GetId() { return m_resolv_id; }
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void OnConnect();
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#ifdef ENABLE_IPV6
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void SetResolveIpv6(bool x = true) { m_resolve_ipv6 = x; }
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#endif
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private:
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ResolvSocket(const ResolvSocket& s) : TcpSocket(s) {} // copy constructor
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ResolvSocket& operator=(const ResolvSocket& ) { return *this; } // assignment operator
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std::string m_query;
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std::string m_data;
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bool m_bServer;
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Socket *m_parent;
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int m_resolv_id;
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std::string m_resolv_host;
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port_t m_resolv_port;
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ipaddr_t m_resolv_address;
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#ifdef ENABLE_IPV6
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bool m_resolve_ipv6;
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in6_addr m_resolv_address6;
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#endif
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static cache_t m_cache;
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static timeout_t m_cache_to;
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static Mutex m_cache_mutex;
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bool m_cached;
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};
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#ifdef SOCKETS_NAMESPACE
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}
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#endif
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#endif // ENABLE_RESOLVER
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#endif // _SOCKETS_ResolvSocket_H
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