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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
+