diff options
Diffstat (limited to 'src/irmd/api_table.c')
-rw-r--r-- | src/irmd/api_table.c | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/src/irmd/api_table.c b/src/irmd/api_table.c deleted file mode 100644 index a244f3a2..00000000 --- a/src/irmd/api_table.c +++ /dev/null @@ -1,295 +0,0 @@ -/* - * Ouroboros - Copyright (C) 2016 - 2017 - * - * The IPC Resource Manager - Application Instance Table - * - * Dimitri Staessens <dimitri.staessens@ugent.be> - * Sander Vrijders <sander.vrijders@ugent.be> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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., http://www.fsf.org/about/contact/. - */ - -#define _POSIX_C_SOURCE 200112L - -#include "config.h" - -#include <ouroboros/list.h> -#include <ouroboros/errno.h> -#include <ouroboros/time_utils.h> - -#include "api_table.h" -#include "registry.h" - -#include <stdlib.h> -#include <unistd.h> -#include <limits.h> -#include <assert.h> - -struct api_entry * api_entry_create(pid_t api, - char * apn) -{ - struct api_entry * e; - pthread_condattr_t cattr; - - assert(apn); - - e = malloc(sizeof(*e)); - if (e == NULL) - return NULL; - - list_head_init(&e->next); - list_head_init(&e->names); - - e->api = api; - e->apn = apn; - e->daf_name = NULL; - - e->re = NULL; - - e->state = API_INIT; - - if (pthread_condattr_init(&cattr)) { - free(e); - return NULL; - } - -#ifndef __APPLE__ - pthread_condattr_setclock(&cattr, PTHREAD_COND_CLOCK); -#endif - - if (pthread_mutex_init(&e->lock, NULL)) { - free(e); - return NULL; - } - - - if (pthread_cond_init(&e->cond, &cattr)) { - pthread_mutex_destroy(&e->lock); - free(e); - return NULL; - } - - return e; -} - -void cancel_api_entry(void * o) -{ - struct api_entry * e = (struct api_entry *) o; - - e->state = API_NULL; - - pthread_mutex_unlock(&e->lock); -} - -void api_entry_destroy(struct api_entry * e) -{ - struct list_head * p; - struct list_head * h; - - assert(e); - - pthread_mutex_lock(&e->lock); - - if (e->state == API_DESTROY) { - pthread_mutex_unlock(&e->lock); - return; - } - - if (e->state == API_SLEEP) - e->state = API_DESTROY; - - pthread_cond_signal(&e->cond); - - pthread_cleanup_push(cancel_api_entry, e); - - while (e->state != API_INIT) - pthread_cond_wait(&e->cond, &e->lock); - - pthread_cleanup_pop(false); - - pthread_mutex_unlock(&e->lock); - - pthread_cond_destroy(&e->cond); - pthread_mutex_destroy(&e->lock); - - if (e->apn != NULL) - free(e->apn); - - list_for_each_safe(p, h, &e->names) { - struct str_el * n = list_entry(p, struct str_el, next); - list_del(&n->next); - if (n->str != NULL) - free(n->str); - free(n); - } - - free(e); -} - -int api_entry_add_name(struct api_entry * e, - char * name) -{ - struct str_el * s; - - assert(e); - assert(name); - - s = malloc(sizeof(*s)); - if (s == NULL) - return -ENOMEM; - - s->str = name; - list_add(&s->next, &e->names); - - return 0; -} - -void api_entry_del_name(struct api_entry * e, - const char * name) -{ - struct list_head * p = NULL; - struct list_head * h = NULL; - - assert(e); - assert(name); - - list_for_each_safe(p, h, &e->names) { - struct str_el * s = list_entry(p, struct str_el, next); - if (!wildcard_match(name, s->str)) { - list_del(&s->next); - if (s->str != NULL) - free(s->str); - free(s); - } - } -} - -int api_entry_sleep(struct api_entry * e, - struct timespec * timeo) -{ - struct timespec dl; - - int ret = 0; - - assert(e); - - if (timeo != NULL) { - clock_gettime(PTHREAD_COND_CLOCK, &dl); - ts_add(&dl, timeo, &dl); - } - - pthread_mutex_lock(&e->lock); - - if (e->state != API_WAKE && e->state != API_DESTROY) - e->state = API_SLEEP; - - pthread_cleanup_push(cancel_api_entry, e); - - while (e->state == API_SLEEP && ret != -ETIMEDOUT) - if (timeo) - ret = -pthread_cond_timedwait(&e->cond, &e->lock, &dl); - else - ret = -pthread_cond_wait(&e->cond, &e->lock); - - pthread_cleanup_pop(false); - - if (e->state == API_DESTROY) { - if (e->re != NULL) - reg_entry_del_api(e->re, e->api); - ret = -1; - } - - e->state = API_INIT; - - pthread_cond_broadcast(&e->cond); - pthread_mutex_unlock(&e->lock); - - return ret; -} - -void api_entry_wake(struct api_entry * e, - struct reg_entry * re) -{ - assert(e); - assert(re); - - pthread_mutex_lock(&e->lock); - - if (e->state != API_SLEEP) { - pthread_mutex_unlock(&e->lock); - return; - } - - e->state = API_WAKE; - e->re = re; - - pthread_cond_broadcast(&e->cond); - - pthread_cleanup_push(cancel_api_entry, e); - - while (e->state == API_WAKE) - pthread_cond_wait(&e->cond, &e->lock); - - pthread_cleanup_pop(false); - - if (e->state == API_DESTROY) - e->state = API_INIT; - - pthread_mutex_unlock(&e->lock); -} - -int api_table_add(struct list_head * api_table, - struct api_entry * e) -{ - - assert(api_table); - assert(e); - - list_add(&e->next, api_table); - - return 0; -} - -void api_table_del(struct list_head * api_table, - pid_t api) -{ - struct list_head * p; - struct list_head * h; - - assert(api_table); - - list_for_each_safe(p, h, api_table) { - struct api_entry * e = list_entry(p, struct api_entry, next); - if (api == e->api) { - list_del(&e->next); - api_entry_destroy(e); - } - } -} - -struct api_entry * api_table_get(struct list_head * api_table, - pid_t api) -{ - struct list_head * h; - - assert(api_table); - - list_for_each(h, api_table) { - struct api_entry * e = list_entry(h, struct api_entry, next); - if (api == e->api) - return e; - } - - return NULL; -} |