| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2006 by Gerd v. Egidy * |
| 3 | * gve@intra2net.com * |
| 4 | * * |
| 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. * |
| 8 | * * |
| 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. * |
| 13 | * * |
| 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 |
| 21 | |
| 22 | #include "command.hxx" |
| 23 | #include "server.hxx" |
| 24 | |
| 25 | namespace libt2n |
| 26 | { |
| 27 | |
| 28 | /// a server handling incoming commands |
| 29 | class command_server |
| 30 | { |
| 31 | private: |
| 32 | server& s; |
| 33 | |
| 34 | void handle_packet(const std::string& packet, server_connection* conn); |
| 35 | |
| 36 | protected: |
| 37 | virtual command* cast_command(command* input) |
| 38 | { return input; } |
| 39 | |
| 40 | public: |
| 41 | command_server(server& _s); |
| 42 | |
| 43 | void handle(long long usec_timeout=-1, long long* usec_timeout_remaining=NULL); |
| 44 | |
| 45 | void send_hello(unsigned int conn_id); |
| 46 | }; |
| 47 | |
| 48 | template<class T, class B> struct Derived_from { |
| 49 | static void constraints(T* p) { B* pb = p; } |
| 50 | Derived_from() { void(*p)(T*) = constraints; } |
| 51 | }; |
| 52 | |
| 53 | template<class COMMAND_GROUP> |
| 54 | class group_command_server : public command_server |
| 55 | { |
| 56 | private: |
| 57 | virtual command* cast_command(command* input) |
| 58 | { return dynamic_cast<COMMAND_GROUP*>(input); } |
| 59 | |
| 60 | public: |
| 61 | group_command_server(server& _s) |
| 62 | : command_server(_s) |
| 63 | { Derived_from<COMMAND_GROUP,command>(); } |
| 64 | }; |
| 65 | |
| 66 | } |
| 67 | #endif |
| 68 | |