Return to vrrp_signal.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / freevrrpd

Annotation of embedaddon/freevrrpd/vrrp_signal.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (c) 2001,2002 Sebastien Petit <spe@bsdfr.org>
                      3:  *
                      4:  * Redistribution and use in source forms, with and without modification,
                      5:  * are permitted provided that the following conditions are met:
                      6:  * 1. Redistributions of source code must retain the above copyright notice,
                      7:  *    this list of conditions and the following disclaimer.
                      8:  * 2. Redistributions in binary form must reproduce the above copyright notice,
                      9:  *    this list of conditions and the following disclaimer in the documentation
                     10:  *    and/or other materials provided with the distribution. Obviously, it
                     11:  *    would be nice if you gave credit where credit is due but requiring it
                     12:  *    would be too onerous.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *      This product includes software developed by Sebastien Petit.
                     16:  * 4. Neither the name of its contributors may be used to endorse or promote
                     17:  *    products derived from this software without specific prior written
                     18:  *    permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  * $Id: vrrp_signal.c,v 1.4 2004/03/21 12:58:36 spe Exp $
                     33:  */
                     34: 
                     35: #include <string.h>
                     36: #include "vrrp_signal.h"
                     37: 
                     38: /*
                     39:  * On detourne les signaux SIGHUP et SIGSTOP, ainsi que le signal SIGINT.
                     40:  */
                     41: void 
                     42: vrrp_signal_initialize(void)
                     43: {
                     44:        signal(SIGINT, vrrp_signal_quit);
                     45:        signal(SIGABRT, vrrp_signal_quit);
                     46:        signal(SIGTERM, vrrp_signal_quit);
                     47:        signal(SIGHUP, vrrp_signal_shutdown);
                     48:        signal(SIGSTOP, vrrp_signal_shutdown);
                     49: 
                     50:        return;
                     51: }
                     52: 
                     53: /*
                     54:  * On quitte gentiment
                     55:  */
                     56: void 
                     57: vrrp_signal_quit(int sig)
                     58: {
                     59:        int             cpt = 0;
                     60:        struct ether_addr ethaddr;
                     61: 
                     62:        vrrp_thread_mutex_lock();
                     63:        vrrp_netgraph_shutdown_allnodes();
                     64:        while (vr_ptr[cpt]) {
                     65:                ethaddr = vrrp_list_get_first(vr_ptr[cpt]);
                     66:                vrrp_interface_vripaddr_delete(vr_ptr[cpt]);
                     67:                close(vr_ptr[cpt]->sd);
                     68:                close(vr_ptr[cpt]->ioctl_sd);
                     69:                cpt++;
                     70:        }
                     71:        vrrp_thread_mutex_unlock();
                     72: 
                     73:        exit(0);
                     74: }
                     75: 
                     76: /*
                     77:  * Shutdown A REGARDER DE PLUS PRES PAR RAPPORT A LA RFC A QUOI CA SERT CE
                     78:  * TRUC ???
                     79:  */
                     80: void 
                     81: vrrp_signal_shutdown(int sig)
                     82: {
                     83:        int             cpt = 0;
                     84: 
                     85:        while (vr_ptr[cpt]) {
                     86:                switch (vr_ptr[cpt]->state) {
                     87:                case VRRP_STATE_MASTER:
                     88:                        vr_ptr[cpt]->priority = 0;
                     89:                        vrrp_network_send_advertisement(vr_ptr[cpt]);
                     90:                case VRRP_STATE_BACKUP:
                     91:                        vrrp_state_initialize(vr_ptr[cpt]);
                     92:                }
                     93:                cpt++;
                     94:        }
                     95: 
                     96:        return;
                     97: }