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Diffstat (limited to 'src/irmd/registry.h')
| -rw-r--r-- | src/irmd/registry.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/irmd/registry.h b/src/irmd/registry.h new file mode 100644 index 00000000..36b68dcd --- /dev/null +++ b/src/irmd/registry.h @@ -0,0 +1,148 @@ +/* + * Ouroboros - Copyright (C) 2016 + * + * The IPC Resource Manager - Registry + * + * Dimitri Staessens <[email protected]> + * + * 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. + */ + +#ifndef OUROBOROS_IRMD_REGISTRY_H +#define OUROBOROS_IRMD_REGISTRY_H + +#include <ouroboros/list.h> + +#include <stdint.h> +#include <pthread.h> +#include <sys/types.h> + +#define reg_entry_has_api(e, id) (reg_entry_get_reg_instance(e, id) != NULL) +#define reg_entry_has_ap_name(e, name) (reg_entry_get_ap_name(e, name) != NULL) +#define reg_entry_has_ap_auto(e, name) (reg_entry_get_reg_auto(e, name) != NULL) + +enum reg_name_state { + REG_NAME_NULL = 0, + REG_NAME_IDLE, + REG_NAME_AUTO_ACCEPT, + REG_NAME_AUTO_EXEC, + REG_NAME_FLOW_ACCEPT, + REG_NAME_FLOW_ARRIVED +}; + +enum reg_i_state { + REG_I_NULL = 0, + REG_I_SLEEP, + REG_I_WAKE +}; + +struct reg_instance { + struct list_head next; + pid_t api; + + /* the api will block on this */ + enum reg_i_state state; + pthread_cond_t wakeup; + pthread_mutex_t mutex; +}; + +/* an entry in the registry */ +struct reg_entry { + struct list_head next; + + /* generic name */ + char * name; + + /* names of the aps that can listen to this name */ + struct list_head ap_names; + + enum reg_name_state state; + + uint32_t flags; + + /* auto execution info */ + struct list_head auto_ap_info; + + /* known instances */ + struct list_head ap_instances; + + char * req_ae_name; + int response; + + pthread_cond_t acc_signal; + pthread_mutex_t state_lock; +}; + +struct reg_auto { + struct list_head next; + char * ap_name; + char ** argv; +}; + +struct reg_ap_name { + struct list_head next; + char * ap_name; +}; + +struct reg_instance * reg_instance_create(pid_t api); +void reg_instance_destroy(struct reg_instance * i); + +void reg_instance_sleep(struct reg_instance * i); +void reg_instance_wake(struct reg_instance * i); + +struct reg_entry * reg_entry_create(); +struct reg_entry * reg_entry_init(struct reg_entry * e, + char * name, + char * ap_name, + uint32_t flags); +void reg_entry_destroy(struct reg_entry * e); + +struct reg_ap_name * reg_entry_get_ap_name(struct reg_entry * e, + char * ap_name); +struct reg_instance * reg_entry_get_reg_instance(struct reg_entry * e, + pid_t api); + +struct reg_auto * reg_entry_get_reg_auto(struct reg_entry * e, + char * ap_name); +pid_t reg_entry_resolve_api(struct reg_entry * e); +char ** reg_entry_resolve_auto(struct reg_entry * e); + +int registry_add_entry(struct list_head * registry, + char * name, + char * ap_name, + uint16_t flags); +int registry_add_ap_auto(struct list_head * registry, + char * name, + char * ap_name, + char ** argv); +int registry_remove_ap_auto(struct list_head * registry, + char * name, + char * ap_name); +struct reg_instance * registry_add_ap_instance(struct list_head * registry, + char * name, + pid_t api); +int registry_remove_ap_instance(struct list_head * registry, + char * name, + pid_t api); +struct reg_entry * registry_get_entry_by_name(struct list_head * registry, + char * name); +struct reg_entry * registry_get_entry_by_ap_name(struct list_head * registry, + char * ap_name); +struct reg_entry * registry_get_entry_by_ap_id(struct list_head * registry, + pid_t api); +void registry_del_name(struct list_head * registry, + char * name); + +#endif |