/* * Ouroboros - Copyright (C) 2016 - 2017 * * Utitilies for building IPC processes * * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef IPCPD_IPCP_DATA_H #define IPCPD_IPCP_DATA_H #include <ouroboros/shared.h> #include <ouroboros/list.h> #include <sys/types.h> #include <pthread.h> #include <stdint.h> enum dir_query_state { QUERY_INIT = 0, QUERY_PENDING, QUERY_RESPONSE, QUERY_DONE, QUERY_DESTROY }; struct dir_query { struct list_head next; char * name; enum dir_query_state state; pthread_mutex_t lock; pthread_cond_t cond; }; struct shim_data { struct list_head registry; pthread_rwlock_t reg_lock; struct list_head directory; pthread_rwlock_t dir_lock; struct list_head dir_queries; pthread_mutex_t dir_queries_lock; }; struct shim_data * shim_data_create(void); void shim_data_destroy(struct shim_data * data); int shim_data_reg_add_entry(struct shim_data * data, char * name); int shim_data_reg_del_entry(struct shim_data * data, const char * name); bool shim_data_reg_has(struct shim_data * data, const char * name); int shim_data_dir_add_entry(struct shim_data * data, char * name, uint64_t addr); int shim_data_dir_del_entry(struct shim_data * data, const char * name, uint64_t addr); bool shim_data_dir_has(struct shim_data * data, const char * name); uint64_t shim_data_dir_get_addr(struct shim_data * data, const char * name); struct dir_query * shim_data_dir_query_create(char * name); void shim_data_dir_query_respond(struct dir_query * query); void shim_data_dir_query_destroy(struct dir_query * query); int shim_data_dir_query_wait(struct dir_query * query, const struct timespec * timeout); #endif /* IPCPD_SHIM_DATA_H */