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153 lines
3.2 KiB
153 lines
3.2 KiB
/*
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* $Id$
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*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* This file is part of ser, a free SIP server.
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*
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* ser 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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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* ser 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "notify.h"
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#include "../../ut.h"
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#include "../../mem/shm_mem.h"
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#include "dlist.h"
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#include "udomain.h"
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str dom = STR_STATIC_INIT("location");
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void notify_watchers(struct urecord* _r, ucontact_t *_c, int state)
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{
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notify_cb_t* n;
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n = _r->watchers;
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while(n) {
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n->cb(&_r->uid, &_c->c, state, n->data);
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n = n->next;
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}
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}
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int add_watcher(struct urecord* _r, notcb_t _c, void* _d)
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{
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notify_cb_t* ptr;
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ucontact_t *c;
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ptr = (notify_cb_t*)shm_malloc(sizeof(notify_cb_t));
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if (ptr == 0) {
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LOG(L_ERR, "add_watcher(): No memory left\n");
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return -1;
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}
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ptr->cb = _c;
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ptr->data = _d;
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ptr->next = _r->watchers;
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_r->watchers = ptr;
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c = _r->contacts;
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while (c) {
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ptr->cb(&_r->uid, &c->c, PRES_ONLINE, ptr->data);
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c = c->next;
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}
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return 0;
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}
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int remove_watcher(struct urecord* _r, notcb_t _c, void* _d)
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{
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notify_cb_t* ptr, *prev = 0;;
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ptr = _r->watchers;
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while(ptr) {
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if ((ptr->cb == _c) && (ptr->data == _d)) {
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if (prev) prev->next = ptr->next;
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else _r->watchers = ptr->next;
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shm_free(ptr);
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return 0;
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}
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prev = ptr;
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ptr = ptr->next;
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}
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return 1;
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}
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int register_watcher(str* _f, str* _t, notcb_t _c, void* _data)
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{
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udomain_t* d;
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urecord_t* r;
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if (find_domain(&dom, &d) > 0) {
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LOG(L_ERR, "register_watcher(): Domain '%.*s' not found\n", dom.len, ZSW(dom.s));
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return -1;
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}
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lock_udomain(d);
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if (get_urecord(d, _t, &r) > 0) {
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if (insert_urecord(d, _t, &r) < 0) {
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unlock_udomain(d);
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LOG(L_ERR, "register_watcher(): Error while creating a new record\n");
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return -2;
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}
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}
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if (add_watcher(r, _c, _data) < 0) {
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LOG(L_ERR, "register_watcher(): Error while adding a watcher\n");
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release_urecord(r);
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unlock_udomain(d);
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return -3;
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}
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unlock_udomain(d);
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return 0;
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}
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int unregister_watcher(str* _f, str* _t, notcb_t _c, void* _data)
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{
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udomain_t* d;
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urecord_t* r;
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if (find_domain(&dom, &d) > 0) {
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LOG(L_ERR, "unregister_watcher(): Domain '%.*s' not found\n", dom.len, ZSW(dom.s));
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return -1;
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}
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lock_udomain(d);
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if (get_urecord(d, _t, &r) > 0) {
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unlock_udomain(d);
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DBG("unregister_watcher(): Record not found\n");
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return 0;
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}
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remove_watcher(r, _c, _data);
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release_urecord(r);
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unlock_udomain(d);
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return 0;
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}
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