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/*
* Ouroboros - Copyright (C) 2016 - 2023
*
* The IPC Resource Manager - Registry - Names
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* 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/.
*/
#ifndef OUROBOROS_IRMD_REG_NAME_H
#define OUROBOROS_IRMD_REG_NAME_H
#include <ouroboros/hash.h>
#include <ouroboros/ipcp.h>
#include <ouroboros/list.h>
#include <ouroboros/irm.h>
#include "proc.h"
#include "prog.h"
#include <stdint.h>
#include <stdbool.h>
#include <pthread.h>
#include <string.h>
#include <sys/types.h>
enum name_state {
NAME_NULL = 0,
NAME_IDLE,
NAME_AUTO_ACCEPT,
NAME_AUTO_EXEC,
NAME_FLOW_ACCEPT,
NAME_FLOW_ARRIVED,
NAME_DESTROY
};
/* An entry in the registry */
struct reg_name {
struct list_head next;
char * name;
/* Policies for this name. */
enum pol_balance pol_lb; /* Load balance incoming flows. */
/* Programs that can be instantiated by the irmd. */
struct list_head reg_progs;
/* Processes that are listening for this name. */
struct list_head reg_pids;
enum name_state state;
pthread_cond_t cond;
pthread_mutex_t mtx;
};
struct reg_name * reg_name_create(const char * name,
enum pol_balance lb);
void reg_name_destroy(struct reg_name * n);
int reg_name_add_prog(struct reg_name * n,
struct reg_prog * p);
void reg_name_del_prog(struct reg_name * n,
const char * prog);
char * reg_name_get_prog(struct reg_name * n);
int reg_name_add_pid(struct reg_name * n,
pid_t pid);
void reg_name_del_pid(struct reg_name * n,
pid_t pid);
void reg_name_del_pid_el(struct reg_name * n,
struct pid_el * p);
pid_t reg_name_get_pid(struct reg_name * n);
void reg_name_set_policy(struct reg_name * n,
enum pol_balance lb);
enum name_state reg_name_get_state(struct reg_name * n);
int reg_name_set_state(struct reg_name * n,
enum name_state state);
int reg_name_leave_state(struct reg_name * n,
enum name_state state,
struct timespec * timeout);
#endif /* OUROBOROS_IRMD_REG_NAME_H */
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