/*
 * Copyright (C) 2016, 2017 "IoT.bzh"
 * Author: José Bollo <jose.bollo@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <stdarg.h>

/*
 * Retrieves the common systemd's event loop of AFB
 */
static inline struct sd_event *afb_daemon_get_event_loop_v2()
{
	return afb_get_daemon_v2().itf->get_event_loop(afb_get_daemon_v2().closure);
}

/*
 * Retrieves the common systemd's user/session d-bus of AFB
 */
static inline struct sd_bus *afb_daemon_get_user_bus_v2()
{
	return afb_get_daemon_v2().itf->get_user_bus(afb_get_daemon_v2().closure);
}

/*
 * Retrieves the common systemd's system d-bus of AFB
 */
static inline struct sd_bus *afb_daemon_get_system_bus_v2()
{
	return afb_get_daemon_v2().itf->get_system_bus(afb_get_daemon_v2().closure);
}

/*
 * Broadcasts widely the event of 'name' with the data 'object'.
 * 'object' can be NULL.
 *
 * For convenience, the function calls 'json_object_put' for 'object'.
 * Thus, in the case where 'object' should remain available after
 * the function returns, the function 'json_object_get' shall be used.
 *
 * Returns the count of clients that received the event.
 */
static inline int afb_daemon_broadcast_event_v2(const char *name, struct json_object *object)
{
	return afb_get_daemon_v2().itf->event_broadcast(afb_get_daemon_v2().closure, name, object);
}

/*
 * Creates an event of 'name' and returns it.
 */
static inline struct afb_event afb_daemon_make_event_v2(const char *name)
{
	return afb_get_daemon_v2().itf->event_make(afb_get_daemon_v2().closure, name);
}

/*
 * Send a message described by 'fmt' and following parameters
 * to the journal for the verbosity 'level'.
 * 'file' and 'line' are indicators of position of the code in source files.
 */
static inline void afb_daemon_verbose_v2(int level, const char *file, int line, const char * func, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
static inline void afb_daemon_verbose_v2(int level, const char *file, int line, const char * func, const char *fmt, ...)
{
	va_list args;
	va_start(args, fmt);
	afb_get_daemon_v2().itf->vverbose_v2(afb_get_daemon_v2().closure, level, file, line, func, fmt, args);
	va_end(args);
}

/*
 * Get the root directory file descriptor. This file descriptor can
 * be used with functions 'openat', 'fstatat', ...
 */
static inline int afb_daemon_rootdir_get_fd_v2()
{
	return afb_get_daemon_v2().itf->rootdir_get_fd(afb_get_daemon_v2().closure);
}

/*
 * Opens 'filename' within the root directory with 'flags' (see function openat)
 * using the 'locale' definition (example: "jp,en-US") that can be NULL.
 * Returns the file descriptor or -1 in case of error.
 */
static inline int afb_daemon_rootdir_open_locale_v2(const char *filename, int flags, const char *locale)
{
	return afb_get_daemon_v2().itf->rootdir_open_locale(afb_get_daemon_v2().closure, filename, flags, locale);
}

/*
 * Queue the job defined by 'callback' and 'argument' for being executed asynchronously
 * in this thread (later) or in an other thread.
 * If 'group' is not NUL, the jobs queued with a same value (as the pointer value 'group')
 * are executed in sequence in the order of there submission.
 * If 'timeout' is not 0, it represent the maximum execution time for the job in seconds.
 * At first, the job is called with 0 as signum and the given argument.
 * The job is executed with the monitoring of its time and some signals like SIGSEGV and
 * SIGFPE. When a such signal is catched, the job is terminated and reexecuted but with
 * signum being the signal number (SIGALRM when timeout expired).
 *
 * Returns 0 in case of success or -1 in case of error.
 */
static inline int afb_daemon_queue_job_v2(void (*callback)(int signum, void *arg), void *argument, void *group, int timeout)
{
	return afb_get_daemon_v2().itf->queue_job(afb_get_daemon_v2().closure, callback, argument, group, timeout);
}