You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.8 KiB
86 lines
2.8 KiB
/*************************************************************************** |
|
* Copyright (C) 04/2006 by Olaf Rempel * |
|
* razzor@kopf-tisch.de * |
|
* * |
|
* This program is free software; you can redistribute it and/or modify * |
|
* it under the terms of the GNU General Public License as published by * |
|
* the Free Software Foundation; either version 2 of the License, or * |
|
* (at your option) any later version. * |
|
* * |
|
* This program is distributed in the hope that it will be useful, * |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
|
* GNU General Public License for more details. * |
|
* * |
|
* You should have received a copy of the GNU General Public License * |
|
* along with this program; if not, write to the * |
|
* Free Software Foundation, Inc., * |
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
|
***************************************************************************/ |
|
#include "gameentry.h" |
|
#include <stdio.h> |
|
#include <string.h> |
|
#include <arpa/inet.h> |
|
|
|
#include "gameentry.h" |
|
|
|
GameEntry::GameEntry(int gameid, struct in_addr *addr, int port1, int port2) |
|
: port1(port1), port2(port2), gameid(gameid) |
|
{ |
|
memcpy(&this->addr, addr, sizeof(this->addr)); |
|
|
|
if (port2 != 0) { |
|
this->port2 = this->port1; |
|
this->port1 = port2; |
|
} |
|
|
|
update(); |
|
} |
|
|
|
int GameEntry::compare(const GameEntry* ge) |
|
{ |
|
if (this->addr.s_addr > ge->addr.s_addr) |
|
return -1; |
|
|
|
if (this->addr.s_addr < ge->addr.s_addr) |
|
return 1; |
|
|
|
if (this->port1 > ge->port1) |
|
return -1; |
|
|
|
if (this->port1 < ge->port1) |
|
return 1; |
|
|
|
// only compare IP:port |
|
// gameid and port2 are useless |
|
return 0; |
|
} |
|
|
|
int GameEntry::hash(int max) |
|
{ |
|
unsigned int hash = 0x12345678; |
|
|
|
// IP |
|
hash = ((hash<<5) ^ (hash>>27)) ^ ((addr.s_addr>>0) & 0xFF); |
|
hash = ((hash<<5) ^ (hash>>27)) ^ ((addr.s_addr>>8) & 0xFF); |
|
hash = ((hash<<5) ^ (hash>>27)) ^ ((addr.s_addr>>16) & 0xFF); |
|
hash = ((hash<<5) ^ (hash>>27)) ^ ((addr.s_addr>>24) & 0xFF); |
|
|
|
// port |
|
hash = ((hash<<5) ^ (hash>>27)) ^ ((port1>>0) & 0xFF); |
|
hash = ((hash<<5) ^ (hash>>27)) ^ ((port1>>8) & 0xFF); |
|
|
|
return hash % max; |
|
} |
|
|
|
void GameEntry::update() |
|
{ |
|
modtime = time(NULL); |
|
} |
|
|
|
int GameEntry::show(char* buf, int size) |
|
{ |
|
return snprintf(buf, size, "(%2d:%15s:%5d:%5d)", |
|
this->gameid, inet_ntoa(this->addr), |
|
this->port1, this->port2); |
|
}
|
|
|