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