1 /***************************************************************************
2 * Copyright (C) 2006 by Gerd v. Egidy *
5 * This library is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU Lesser General Public License version *
7 * 2.1 as published by the Free Software Foundation. *
9 * This library is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU Lesser General Public License for more details. *
14 * You should have received a copy of the GNU Lesser General Public *
15 * License along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
18 ***************************************************************************/
19 #ifndef __LIBT2N_COMMAND_SERVER
20 #define __LIBT2N_COMMAND_SERVER
22 #include "command.hxx"
28 /// a server handling incoming commands
34 void handle_packet(const std::string& packet, server_connection* conn);
39 virtual command* cast_command(command* input)
43 command_server(server& _s);
44 // TODO: No (virtual) destructor
46 void handle(long long usec_timeout=-1, long long* usec_timeout_remaining=NULL);
48 void send_hello(unsigned int conn_id);
50 std::ostream* get_logstream(log_level_values level)
51 { return s.get_logstream(level); }
54 template<class T, class B> struct Derived_from {
55 static void constraints(T* p) { B* pb = p; }
56 Derived_from() { void(*p)(T*) = constraints; }
59 /** @brief server handling group of incoming commands
61 the template must be derived from libt2n::command.
63 template<class COMMAND_GROUP>
64 class group_command_server : public command_server
67 virtual command* cast_command(command* input)
68 { return dynamic_cast<COMMAND_GROUP*>(input); }
71 group_command_server(server& _s)
73 { Derived_from<COMMAND_GROUP,command>(); }