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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.
*/
#define _GNU_SOURCE
#define NO_BINDING_VERBOSE_MACRO
#include <string.h>
#include <errno.h>
#include <afb/afb-binding.h>
#include "afb-ditf.h"
#include "afb-evt.h"
#include "afb-common.h"
#include "verbose.h"
static struct afb_event event_make_cb(void *closure, const char *name);
static int event_broadcast_cb(void *closure, const char *name, struct json_object *object);
static void vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args);
static int rootdir_open_locale_cb(void *closure, const char *filename, int flags, const char *locale);
static const struct afb_daemon_itf daemon_itf = {
.vverbose = vverbose_cb,
.event_make = event_make_cb,
.event_broadcast = event_broadcast_cb,
.get_event_loop = afb_common_get_event_loop,
.get_user_bus = afb_common_get_user_bus,
.get_system_bus = afb_common_get_system_bus,
.rootdir_get_fd = afb_common_rootdir_get_fd,
.rootdir_open_locale = rootdir_open_locale_cb
};
static void vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args)
{
char *p;
struct afb_ditf *ditf = closure;
if (vasprintf(&p, fmt, args) < 0)
vverbose(level, file, line, fmt, args);
else {
verbose(level, file, line, "%s {binding %s}", p, ditf->prefix);
free(p);
}
}
static struct afb_event event_make_cb(void *closure, const char *name)
{
size_t plen, nlen;
char *event;
struct afb_ditf *ditf = closure;
/* makes the event name */
plen = strlen(ditf->prefix);
nlen = strlen(name);
event = alloca(nlen + plen + 2);
memcpy(event, ditf->prefix, plen);
event[plen] = '/';
memcpy(event + plen + 1, name, nlen + 1);
/* create the event */
return afb_evt_create_event(event);
}
static int event_broadcast_cb(void *closure, const char *name, struct json_object *object)
{
size_t plen, nlen;
char *event;
struct afb_ditf *ditf = closure;
/* makes the event name */
plen = strlen(ditf->prefix);
nlen = strlen(name);
event = alloca(nlen + plen + 2);
memcpy(event, ditf->prefix, plen);
event[plen] = '/';
memcpy(event + plen + 1, name, nlen + 1);
/* broadcast the event */
return afb_evt_broadcast(event, object);
}
static int rootdir_open_locale_cb(void *closure, const char *filename, int flags, const char *locale)
{
return afb_common_rootdir_open_locale(filename, flags, locale);
}
void afb_ditf_init(struct afb_ditf *ditf, const char *prefix)
{
ditf->interface.verbosity = verbosity;
ditf->interface.mode = AFB_MODE_LOCAL;
ditf->interface.daemon.itf = &daemon_itf;
ditf->interface.daemon.closure = ditf;
afb_ditf_rename(ditf, prefix);
}
void afb_ditf_rename(struct afb_ditf *ditf, const char *prefix)
{
ditf->prefix = prefix;
}
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