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 ***************************************************************************/
28 server_connection::server_connection(int _timeout)
31 set_timeout(_timeout);
38 /// get pointer to logging stream, returns NULL if no logging needed
39 std::ostream* server_connection::get_logstream(log_level_values level)
41 if (my_server != NULL)
43 std::ostream* ostr=my_server->get_logstream(level);
45 (*ostr) << "connection " << get_id() << ": ";
52 /// check if timeout is expired, close connection if so
53 void server_connection::check_timeout()
55 if (timeout != -1 && last_action_time+timeout < time(NULL))
57 LOGSTREAM(debug,"timeout on connection " << connection_id << ", closing");
62 /// reset the timeout, e.g. if something is received
63 void server_connection::reset_timeout()
65 last_action_time=time(NULL);
69 : callbacks(__events_end)
71 set_default_timeout(30);
72 set_logging(NULL,none);
78 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
79 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
83 /** @brief add a callback
85 @param event event the function will be called at
86 @param func functor (see boost function) that will be called
88 void server::add_callback(callback_event_type event, const boost::function<void (server_connection*)>& func)
90 callbacks[event].push_back(func);
93 void server::do_callbacks(callback_event_type event, server_connection* conn)
95 std::list<boost::function<void (server_connection*)> >::iterator i,ie=callbacks[event].end();
96 for (i=callbacks[event].begin(); i != ie; i++)
100 int server::add_connection(server_connection* newconn)
102 unsigned int cid=next_id++;
103 newconn->set_id(cid);
104 newconn->set_server(this);
105 connections[cid]=newconn;
107 LOGSTREAM(debug,"new connection accepted, id: " << cid);
109 do_callbacks(new_connection,newconn);
114 /// activate logging to the given stream. everything above the given level is logged.
115 void server::set_logging(std::ostream *_logstream, log_level_values _log_level)
117 log_level=_log_level;
118 logstream=_logstream;
122 @brief Gets a connection by id
124 @param conn_id Connection ID
126 @retval Pointer to connection object
128 server_connection* server::get_connection(unsigned int conn_id)
130 std::map<unsigned int, server_connection*>::iterator p=connections.find(conn_id);
131 if (p==connections.end())
137 /// check for timeouts, remove closed connections. don't forget to call this from time to time.
138 void server::cleanup()
140 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
141 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
142 i->second->check_timeout();
144 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie;)
146 if (i->second->is_closed() && !i->second->packet_available())
148 // closed and no usable data in buffer -> remove
149 LOGSTREAM(debug,"removing conneciton " << i->first << " because it is closed and no more data waiting");
152 connections.erase(i);
153 i=connections.begin();
154 ie=connections.end();
161 /** @brief get a complete data packet from any client. The packet is removed from the
163 @param[out] data the data package
164 @param[out] conn_id the connection id we got this packet from
165 @retval true if packet found
167 bool server::get_packet(std::string& data, unsigned int& conn_id)
169 // todo: this is somehow unfair: the first connections in the map get checked more
170 // often than the others and can thus block them out
172 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
173 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
174 if (i->second->get_packet(data))
176 LOGSTREAM(debug,"got packet (" << data.size() << " bytes) from connection " << i->first);
185 /// get pointer to logging stream, returns NULL if no logging needed
186 std::ostream* server::get_logstream(log_level_values level)
188 if (logstream && log_level >= level)