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)
42 return my_server->get_logstream(level);
45 /// check if timeout is expired, close connection if so
46 void server_connection::check_timeout()
48 if (timeout != -1 && last_action_time+timeout < time(NULL))
50 LOGSTREAM(debug,"timeout on connection " << connection_id << ", closing");
55 /// reset the timeout, e.g. if something is received
56 void server_connection::reset_timeout()
58 last_action_time=time(NULL);
63 set_default_timeout(30);
64 set_logging(NULL,none);
70 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
71 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
75 int server::add_connection(server_connection* newconn)
77 unsigned int cid=next_id++;
79 newconn->set_server(this);
80 connections[cid]=newconn;
82 LOGSTREAM(debug,"new connection accepted, id: " << cid);
87 /// activate logging to the given stream. everything above the given level is logged.
88 void server::set_logging(std::ostream *_logstream, log_level_values _log_level)
95 @brief Gets a connection by id
97 @param conn_id Connection ID
99 @retval Pointer to connection object
101 server_connection* server::get_connection(unsigned int conn_id)
103 std::map<unsigned int, server_connection*>::iterator p=connections.find(conn_id);
104 if (p==connections.end())
110 /// check for timeouts, remove closed connections. don't forget to call this from time to time.
111 void server::cleanup()
113 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
114 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
115 i->second->check_timeout();
117 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie;)
119 if (i->second->is_closed() && !i->second->packet_available())
121 // closed and no usable data in buffer -> remove
122 LOGSTREAM(debug,"removing conneciton " << i->first << " because it is closed and no more data waiting");
125 connections.erase(i);
126 i=connections.begin();
127 ie=connections.end();
134 /** @brief get a complete data packet from any client. The packet is removed from the
136 @param[out] data the data package
137 @param[out] conn_id the connection id we got this packet from
138 @retval true if packet found
140 bool server::get_packet(std::string& data, unsigned int& conn_id)
142 // todo: this is somehow unfair: the first connections in the map get checked more
143 // often than the others and can thus block them out
145 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
146 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
147 if (i->second->get_packet(data))
149 LOGSTREAM(debug,"got packet (" << data.size() << " bytes) from connection " << i->first);
158 /// get pointer to logging stream, returns NULL if no logging needed
159 std::ostream* server::get_logstream(log_level_values level)
161 if (logstream && level >= log_level)