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/*
* Ouroboros - Copyright (C) 2016
*
* Unregister IPC Processes in an N-1 DIF
*
* Dimitri Staessens <dimitri.staessens@intec.ugent.be>
* Sander Vrijders <sander.vrijders@intec.ugent.be>
*
* 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 the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <ouroboros/config.h>
#include <stdio.h>
#include <ouroboros/irm.h>
#include <ouroboros/common.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <signal.h>
#include "irm_ops.h"
#include "irm_utils.h"
#define MAX_DIFS 128
static void usage()
{
printf("Usage: irm unregister\n"
" [name <name>]\n"
" [apn <application process name>]\n"
" [api <application process instance>]\n"
" dif <dif name to unregister from>\n"
" [dif <dif name to unregister from>]\n"
" [... (maximum %d difs)]\n"
" [hard] (unregisters everything using that name)\n"
, MAX_DIFS);
}
int do_unregister(int argc, char ** argv)
{
instance_name_t api = {NULL, 0};
char * difs[MAX_DIFS];
size_t difs_len = 0;
char * name = NULL;
bool hard_opt = false;
bool ap_id = false;
instance_name_t * ptr_api = NULL;
while (argc > 0) {
if (matches(*argv, "name") == 0) {
name = *(argv + 1);
} else if (matches(*argv, "ap") == 0) {
api.name = *(argv + 1);
ptr_api = &api;
} else if (matches(*argv, "api") == 0) {
api.id = atoi(*(argv + 1));
ap_id = true;
} else if (strcmp(*argv, "hard") == 0) {
hard_opt = true;
/* this has no value */
++argc;
--argv;
} else if (matches(*argv, "dif") == 0) {
difs[difs_len++] = *(argv + 1);
if (difs_len > MAX_DIFS) {
printf("Too many difs specified\n");
return -1;
}
} else {
printf("\"%s\" is unknown, try \"irm "
"unregister\".\n", *argv);
return -1;
}
argc -= 2;
argv += 2;
}
if (difs_len == 0) {
usage();
return -1;
}
if (name == NULL && api.name == NULL) {
printf("apn or name must be set.\n");
usage();
return -1;
}
if (ap_id && api.name == NULL) {
printf("api requires apn.\n");
usage();
return -1;
}
if (hard_opt && api.name != NULL) {
printf("apn and/or api must not be set when using hard.\n");
usage();
return -1;
}
return irm_unreg(name, ptr_api, difs, difs_len, hard_opt);
}
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