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119 lines
2.7 KiB
119 lines
2.7 KiB
/*
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* Copyright (C) 2006 iptelorg GmbH
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio 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. See the
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* GNU General Public License for more details.
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*
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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 the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*!
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* \file
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* \brief Kamailio core :: non-sip callbacks, called whenever a message with protocol != SIP/2.0
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* is received (the message must have at least a sip like first line or
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* else they will be dropped before this callbacks are called
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*
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* \ingroup core
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* Module: \ref core
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*/
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#include "nonsip_hooks.h"
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#include "mem/mem.h"
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static struct nonsip_hook* nonsip_hooks;
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static unsigned int nonsip_max_hooks=MAX_NONSIP_HOOKS;
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static int last_hook_idx=0;
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int init_nonsip_hooks()
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{
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nonsip_hooks=pkg_malloc(nonsip_max_hooks*
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sizeof(struct nonsip_hook));
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if (nonsip_hooks==0){
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goto error;
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}
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memset(nonsip_hooks, 0, nonsip_max_hooks*sizeof(struct nonsip_hook));
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return 0;
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error:
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LM_ERR("memory allocation failure\n");
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return -1;
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}
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void destroy_nonsip_hooks()
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{
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int r;
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if (nonsip_hooks){
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for (r=0; r<last_hook_idx; r++){
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if (nonsip_hooks[r].destroy)
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nonsip_hooks[r].destroy();
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}
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pkg_free(nonsip_hooks);
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nonsip_hooks=0;
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}
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}
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/* allocates a new hook
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* returns 0 on success and -1 on error */
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int register_nonsip_msg_hook(struct nonsip_hook *h)
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{
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struct nonsip_hook* tmp;
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int new_max_hooks;
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if (nonsip_max_hooks==0)
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goto error;
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if (last_hook_idx >= nonsip_max_hooks){
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new_max_hooks=2*nonsip_max_hooks;
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tmp=pkg_realloc(nonsip_hooks,
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new_max_hooks*sizeof(struct nonsip_hook));
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if (tmp==0){
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goto error;
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}
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nonsip_hooks=tmp;
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/* init the new chunk */
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memset(&nonsip_hooks[last_hook_idx+1], 0,
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(new_max_hooks-nonsip_max_hooks-1)*
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sizeof(struct nonsip_hook));
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nonsip_max_hooks=new_max_hooks;
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}
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nonsip_hooks[last_hook_idx]=*h;
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last_hook_idx++;
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return 0;
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error:
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return -1;
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}
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int nonsip_msg_run_hooks(struct sip_msg* msg)
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{
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int r;
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int ret;
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ret=NONSIP_MSG_DROP; /* default, if no hook installed, drop */
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for (r=0; r<last_hook_idx; r++){
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ret=nonsip_hooks[r].on_nonsip_req(msg);
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if (ret!=NONSIP_MSG_PASS) break;
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}
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return ret;
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}
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