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/*
* 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 "afb-daemon-common.h"
/*
* Retrieves the common systemd's event loop of AFB
* 'daemon' MUST be the daemon given in interface when activating the binding.
*/
static inline struct sd_event *afb_daemon_get_event_loop_v1(struct afb_daemon daemon)
{
return daemon.itf->get_event_loop(daemon.closure);
}
/*
* Retrieves the common systemd's user/session d-bus of AFB
* 'daemon' MUST be the daemon given in interface when activating the binding.
*/
static inline struct sd_bus *afb_daemon_get_user_bus_v1(struct afb_daemon daemon)
{
return daemon.itf->get_user_bus(daemon.closure);
}
/*
* Retrieves the common systemd's system d-bus of AFB
* 'daemon' MUST be the daemon given in interface when activating the binding.
*/
static inline struct sd_bus *afb_daemon_get_system_bus_v1(struct afb_daemon daemon)
{
return daemon.itf->get_system_bus(daemon.closure);
}
/*
* Broadcasts widely the event of 'name' with the data 'object'.
* 'object' can be NULL.
* 'daemon' MUST be the daemon given in interface when activating the binding.
*
* 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.
*
* Calling this function is only forbidden during preinit.
*
* Returns the count of clients that received the event.
*/
static inline int afb_daemon_broadcast_event_v1(struct afb_daemon daemon, const char *name, struct json_object *object)
{
return daemon.itf->event_broadcast(daemon.closure, name, object);
}
/*
* Creates an event of 'name' and returns it.
* 'daemon' MUST be the daemon given in interface when activating the binding.
*
* Calling this function is only forbidden during preinit.
*
* See afb_event_is_valid to check if there is an error.
*/
static inline struct afb_event afb_daemon_make_event_v1(struct afb_daemon daemon, const char *name)
{
return daemon.itf->event_make(daemon.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
* (see macros __FILE__ and __LINE__).
*
* 'daemon' MUST be the daemon given in interface when activating the binding.
*
* 'level' is defined by syslog standard:
* EMERGENCY 0 System is unusable
* ALERT 1 Action must be taken immediately
* CRITICAL 2 Critical conditions
* ERROR 3 Error conditions
* WARNING 4 Warning conditions
* NOTICE 5 Normal but significant condition
* INFO 6 Informational
* DEBUG 7 Debug-level messages
*/
static inline void afb_daemon_verbose_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
static inline void afb_daemon_verbose_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
daemon.itf->vverbose_v1(daemon.closure, level, file, line, fmt, args);
va_end(args);
}
/*
* Send a message described by 'fmt' and following parameters
* to the journal for the verbosity 'level'.
*
* 'file', 'line' and 'func' are indicators of position of the code in source files
* (see macros __FILE__, __LINE__ and __func__).
*
* 'daemon' MUST be the daemon given in interface when activating the binding.
*
* 'level' is defined by syslog standard:
* EMERGENCY 0 System is unusable
* ALERT 1 Action must be taken immediately
* CRITICAL 2 Critical conditions
* ERROR 3 Error conditions
* WARNING 4 Warning conditions
* NOTICE 5 Normal but significant condition
* INFO 6 Informational
* DEBUG 7 Debug-level messages
*/
static inline void afb_daemon_verbose2_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *func, const char *fmt, ...) __attribute__((format(printf, 6, 7)));
static inline void afb_daemon_verbose2_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *func, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
daemon.itf->vverbose_v2(daemon.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_v1(struct afb_daemon daemon)
{
return daemon.itf->rootdir_get_fd(daemon.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_v1(struct afb_daemon daemon, const char *filename, int flags, const char *locale)
{
return daemon.itf->rootdir_open_locale(daemon.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_v1(struct afb_daemon daemon, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout)
{
return daemon.itf->queue_job(daemon.closure, callback, argument, group, timeout);
}
/*
* Tells that it requires the API of "name" to exist
* and if 'initialized' is not null to be initialized.
* Calling this function is only allowed within init.
* Returns 0 in case of success or -1 in case of error.
*/
static inline int afb_daemon_require_api_v1(struct afb_daemon daemon, const char *name, int initialized)
{
return daemon.itf->require_api(daemon.closure, name, initialized);
}
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