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);
70 set_default_timeout(30);
71 set_logging(NULL,none);
77 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
78 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
82 int server::add_connection(server_connection* newconn)
84 unsigned int cid=next_id++;
86 newconn->set_server(this);
87 connections[cid]=newconn;
89 LOGSTREAM(debug,"new connection accepted, id: " << cid);
94 /// activate logging to the given stream. everything above the given level is logged.
95 void server::set_logging(std::ostream *_logstream, log_level_values _log_level)
102 @brief Gets a connection by id
104 @param conn_id Connection ID
106 @retval Pointer to connection object
108 server_connection* server::get_connection(unsigned int conn_id)
110 std::map<unsigned int, server_connection*>::iterator p=connections.find(conn_id);
111 if (p==connections.end())
117 /// check for timeouts, remove closed connections. don't forget to call this from time to time.
118 void server::cleanup()
120 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
121 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
122 i->second->check_timeout();
124 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie;)
126 if (i->second->is_closed() && !i->second->packet_available())
128 // closed and no usable data in buffer -> remove
129 LOGSTREAM(debug,"removing conneciton " << i->first << " because it is closed and no more data waiting");
132 connections.erase(i);
133 i=connections.begin();
134 ie=connections.end();
141 /** @brief get a complete data packet from any client. The packet is removed from the
143 @param[out] data the data package
144 @param[out] conn_id the connection id we got this packet from
145 @retval true if packet found
147 bool server::get_packet(std::string& data, unsigned int& conn_id)
149 // todo: this is somehow unfair: the first connections in the map get checked more
150 // often than the others and can thus block them out
152 std::map<unsigned int, server_connection*>::iterator ie=connections.end();
153 for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
154 if (i->second->get_packet(data))
156 LOGSTREAM(debug,"got packet (" << data.size() << " bytes) from connection " << i->first);
165 /// get pointer to logging stream, returns NULL if no logging needed
166 std::ostream* server::get_logstream(log_level_values level)
168 if (logstream && log_level >= level)