quakeforge/qtv/source/connection.c

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/*
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connection.c
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connection management
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Copyright (C) 2004 Bill Currie <bill@taniwha.org>
2005-06-09 03:07:13 +00:00
Author: Bill Currie
Date: 2004/02/20
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include "QF/cmd.h"
#include "QF/console.h"
#include "QF/hash.h"
#include "QF/sys.h"
#include "connection.h"
static hashtab_t *connections;
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static void
connection_free (void *_c, void *unused)
{
free (_c);
}
static uintptr_t
connection_get_hash (void *_c, void *unused)
{
connection_t *c = (connection_t *) _c;
unsigned long hash;
hash = Hash_Buffer (c->address.ip, sizeof (c->address.ip));
hash ^= c->address.port;
return hash;
}
static int
connection_compare (void *_c1, void *_c2, void *unused)
{
connection_t *c1 = (connection_t *) _c1;
connection_t *c2 = (connection_t *) _c2;
return NET_CompareAdr (c1->address, c2->address);
}
void
Connection_Init (void)
{
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connections = Hash_NewTable (1023, 0, connection_free, 0);
Hash_SetHashCompare (connections, connection_get_hash, connection_compare);
}
connection_t *
Connection_Add (netadr_t *address, void *object,
void (*handler)(connection_t *, void *))
{
connection_t *con;
con = malloc (sizeof (connection_t));
con->address = *address;
con->object = object;
con->handler = handler;
if (Hash_FindElement (connections, con))
Sys_Error ("duplicate connection");
Hash_AddElement (connections, con);
return con;
}
void
Connection_Del (connection_t *con)
{
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Hash_Free (connections, Hash_DelElement (connections, con));
}
connection_t *
Connection_Find (netadr_t *address)
{
connection_t con;
con.address = *address;
return Hash_FindElement (connections, &con);
}