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/*
* Copyright 2016 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.
*/
struct json_object;
struct afb_arg {
const char *name;
const char *value;
const char *path;
};
struct afb_req_itf {
struct json_object *(*json)(void *data);
struct afb_arg (*get)(void *data, const char *name);
void (*success)(void *data, struct json_object *obj, const char *info);
void (*fail)(void *data, const char *status, const char *info);
const char *(*raw)(void *data, size_t *size);
void (*send)(void *data, char *buffer, size_t size);
int (*session_create)(void *data);
int (*session_check)(void *data, int refresh);
void (*session_close)(void *data);
};
struct afb_req {
const struct afb_req_itf *itf;
void *data;
void **context;
};
static inline struct afb_arg afb_req_get(struct afb_req req, const char *name)
{
return req.itf->get(req.data, name);
}
static inline const char *afb_req_value(struct afb_req req, const char *name)
{
return afb_req_get(req, name).value;
}
static inline const char *afb_req_path(struct afb_req req, const char *name)
{
return afb_req_get(req, name).path;
}
static inline struct json_object *afb_req_json(struct afb_req req)
{
return req.itf->json(req.data);
}
static inline void afb_req_success(struct afb_req req, struct json_object *obj, const char *info)
{
req.itf->success(req.data, obj, info);
}
static inline void afb_req_fail(struct afb_req req, const char *status, const char *info)
{
req.itf->fail(req.data, status, info);
}
static inline const char *afb_req_raw(struct afb_req req, size_t *size)
{
return req.itf->raw(req.data, size);
}
static inline void afb_req_send(struct afb_req req, char *buffer, size_t size)
{
req.itf->send(req.data, buffer, size);
}
static inline int afb_req_session_create(struct afb_req req)
{
int result = req.itf->session_create(req.data);
if (!result)
afb_req_fail(req, "fail", "Can't create the session");
return result;
}
static inline int afb_req_session_check(struct afb_req req, int refresh)
{
int result = req.itf->session_check(req.data, refresh);
if (!result)
afb_req_fail(req, "fail", "Token chek failed for the session");
return result;
}
static inline void afb_req_session_close(struct afb_req req)
{
req.itf->session_close(req.data);
}
#if !defined(_GNU_SOURCE)
# error "_GNU_SOURCE must be defined for using vasprintf"
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
static inline void afb_req_fail_v(struct afb_req req, const char *status, const char *info, va_list args)
{
char *message;
if (info == NULL || vasprintf(&message, info, args) < 0)
message = NULL;
afb_req_fail(req, status, message);
free(message);
}
static inline void afb_req_fail_f(struct afb_req req, const char *status, const char *info, ...)
{
va_list args;
va_start(args, info);
afb_req_fail_v(req, status, info, args);
va_end(args);
}
static inline void afb_req_success_v(struct afb_req req, struct json_object *obj, const char *info, va_list args)
{
char *message;
if (info == NULL || vasprintf(&message, info, args) < 0)
message = NULL;
afb_req_success(req, obj, message);
free(message);
}
static inline void afb_req_success_f(struct afb_req req, struct json_object *obj, const char *info, ...)
{
va_list args;
va_start(args, info);
afb_req_success_v(req, obj, info, args);
va_end(args);
}
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