developer.intra2net.com Git - libt2n/blob - src/server.cpp

   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
  20 #include "server.hxx"
  21
  22 namespace libt2n
  23 {
  24
  25 void connection::check_timeout()
  26 {
  27     if (timeout != -1 && last_action_time+timeout >= time(NULL))
  28         this->close();
  29 }
  30
  31 void connection::reset_timeout()
  32 {
  33     last_action_time=time(NULL);
  34 }
  35
  36 bool connection::get_packet(std::string& data, unsigned int& conn_id)
  37 {
  38     // max packet size is unsigned int
  39
  40     // no size information -> no packet
  41     if (buffer.size() < sizeof(unsigned int))
  42         return false;
  43
  44     unsigned int psize=*((unsigned int*)(buffer.data()));
  45
  46     // enough data for one packet in buffer?
  47     if (buffer.size() < sizeof(unsigned int)+psize)
  48         return false;
  49
  50     data.assign(buffer,sizeof(unsigned int),psize);
  51     buffer.erase(0,sizeof(unsigned int)+psize);
  52
  53     return true;
  54 }
  55
  56 server::~server()
  57 {
  58     std::map<unsigned int, connection*>::iterator ie=connections.end();
  59     for(std::map<unsigned int, connection*>::iterator i=connections.begin(); i != ie; i++)
  60         delete i->second;
  61 }
  62
  63 connection* server::get_connection(unsigned int conn_id)
  64 {
  65     std::map<unsigned int, connection*>::iterator p=connections.find(conn_id);
  66     if (p==connections.end())
  67         return NULL;
  68     else
  69         return p->second;
  70 }
  71
  72 void server::check_timeout()
  73 {
  74     std::map<unsigned int, connection*>::iterator ie=connections.end();
  75     for(std::map<unsigned int, connection*>::iterator i=connections.begin(); i != ie; i++)
  76         i->second->check_timeout();
  77 }
  78
  79 void server::fill_connection_buffers(void)
  80 {
  81     std::map<unsigned int, connection*>::iterator ie=connections.end();
  82     for(std::map<unsigned int, connection*>::iterator i=connections.begin(); i != ie; i++)
  83         if (!i->second->is_closed())
  84             i->second->fill_buffer();
  85 }
  86
  87 bool server::get_packet(std::string& data, unsigned int& conn_id)
  88 {
  89     // todo: this is somehow unfair: the first connections in the map get checked more
  90     // often than the others and can thus block them out
  91
  92     std::map<unsigned int, connection*>::iterator ie=connections.end();
  93     for(std::map<unsigned int, connection*>::iterator i=connections.begin(); i != ie; i++)
  94         if (i->second->get_packet(data,conn_id))
  95             return true;
  96 }
  97
  98 void server::log(log_level_values level, const char* message)
  99 {
 100     if (logstream && level >= log_level)
 101         (*logstream) << message << std::endl;
 102 }
 103
 104 };