/* * 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); }