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https://git.code.sf.net/p/quake/quakeforge
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4cef9792f4
They take a pointer to a free-list used for hashlinks so the hashlink pools can be per-thread. However, hash tables that are not updated are always thread-safe, so this affects only updates. progs_t has been set up such that it is easy for multiple progs within one thread can share hashlinks.
115 lines
2.4 KiB
C
115 lines
2.4 KiB
C
/*
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connection.c
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connection management
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Copyright (C) 2004 Bill Currie <bill@taniwha.org>
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Author: Bill Currie
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Date: 2004/02/20
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include "QF/cmd.h"
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#include "QF/console.h"
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#include "QF/hash.h"
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#include "QF/sys.h"
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#include "connection.h"
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static hashtab_t *connections;
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static void
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connection_free (void *_c, void *unused)
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{
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free (_c);
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}
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static uintptr_t
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connection_get_hash (const void *_c, void *unused)
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{
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connection_t *c = (connection_t *) _c;
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unsigned long hash;
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hash = Hash_Buffer (c->address.ip, sizeof (c->address.ip));
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hash ^= c->address.port;
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return hash;
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}
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static int
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connection_compare (const void *_c1, const void *_c2, void *unused)
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{
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connection_t *c1 = (connection_t *) _c1;
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connection_t *c2 = (connection_t *) _c2;
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return NET_CompareAdr (c1->address, c2->address);
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}
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void
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Connection_Init (void)
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{
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connections = Hash_NewTable (1023, 0, connection_free, 0, 0);
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Hash_SetHashCompare (connections, connection_get_hash, connection_compare);
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}
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connection_t *
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Connection_Add (netadr_t *address, void *object,
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void (*handler)(connection_t *, void *))
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{
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connection_t *con;
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con = malloc (sizeof (connection_t));
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con->address = *address;
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con->object = object;
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con->handler = handler;
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if (Hash_FindElement (connections, con))
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Sys_Error ("duplicate connection");
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Hash_AddElement (connections, con);
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return con;
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}
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void
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Connection_Del (connection_t *con)
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{
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Hash_Free (connections, Hash_DelElement (connections, con));
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}
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connection_t *
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Connection_Find (netadr_t *address)
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{
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connection_t con;
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con.address = *address;
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return Hash_FindElement (connections, &con);
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}
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