-/***************************************************************************
- * Copyright (C) 2006 by Gerd v. Egidy *
- * gve@intra2net.com *
- * *
- * This library is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU Lesser General Public License version *
- * 2.1 as published by the Free Software Foundation. *
- * *
- * This library 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 Lesser General Public License for more details. *
- * *
- * You should have received a copy of the GNU Lesser 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. *
- ***************************************************************************/
+/*
+Copyright (C) 2006 by Intra2net AG - Gerd v. Egidy
+
+The software in this package is distributed under the GNU General
+Public License version 2 (with a special exception described below).
+
+A copy of GNU General Public License (GPL) is included in this distribution,
+in the file COPYING.GPL.
+
+As a special exception, if other files instantiate templates or use macros
+or inline functions from this file, or you compile this file and link it
+with other works to produce a work based on this file, this file
+does not by itself cause the resulting work to be covered
+by the GNU General Public License.
+
+However the source code for this file must still be made available
+in accordance with section (3) of the GNU General Public License.
+
+This exception does not invalidate any other reasons why a work based
+on this file might be covered by the GNU General Public License.
+*/
#ifndef __LIBT2N_COMMAND_SERVER
#define __LIBT2N_COMMAND_SERVER
+#include "command.hxx"
#include "server.hxx"
namespace libt2n
void handle_packet(const std::string& packet, server_connection* conn);
+ int guard_handle;
+
+ protected:
+ virtual command* cast_command(command* input)
+ { return input; }
+
public:
command_server(server& _s);
+ ~command_server();
- void handle(long long usec_timeout=-1);
+ void handle(long long usec_timeout=-1, long long* usec_timeout_remaining=NULL);
void send_hello(unsigned int conn_id);
+
+ std::ostream* get_logstream(log_level_values level)
+ { return s.get_logstream(level); }
};
-}
+template<class T, class B> struct Derived_from {
+ static void constraints(T* p) { B* pb = p; }
+ Derived_from() { void(*p)(T*) = constraints; }
+};
+
+/** @brief server handling group of incoming commands
+
+ the template must be derived from libt2n::command.
+*/
+template<class COMMAND_GROUP>
+class group_command_server : public command_server
+{
+ private:
+ virtual command* cast_command(command* input)
+ { return dynamic_cast<COMMAND_GROUP*>(input); }
+ public:
+ group_command_server(server& _s)
+ : command_server(_s)
+ { Derived_from<COMMAND_GROUP,command>(); }
+};
+
+}
#endif