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/*
* Copyright (C) 2016, 2017, 2018 "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
/* defined here */
struct afb_arg;
struct afb_request;
struct afb_request_itf;
/* referenced here */
#include <stdarg.h>
struct json_object;
struct afb_req;
struct afb_event;
struct afb_eventid;
struct afb_dynapi;
struct afb_stored_req;
/*
* Describes an argument (or parameter) of a request
*/
struct afb_arg
{
const char *name; /* name of the argument or NULL if invalid */
const char *value; /* string representation of the value of the argument */
/* original filename of the argument if path != NULL */
const char *path; /* if not NULL, path of the received file for the argument */
/* when the request is finalized this file is removed */
};
/*
* structure for the request
*/
struct afb_request
{
/* interface for the request */
const struct afb_request_itf *itf;
/* current dynapi (if any) */
struct afb_dynapi *dynapi;
/* closure associated with the callback processing the verb of the request
* as given at its declaration */
void *vcbdata;
/* the name of the called verb */
const char *api;
/* the name of the called verb */
const char *verb;
};
/*
* Interface for handling requests.
* It records the functions to be called for the request.
* Don't use this structure directly.
* Use the helper functions
*/
struct afb_request_itf
{
/* CAUTION: respect the order, add at the end */
struct json_object *(*json)(
struct afb_request *request);
struct afb_arg (*get)(
struct afb_request *request,
const char *name);
void (*success)(
struct afb_request *request,
struct json_object *obj,
const char *info);
void (*fail)(
struct afb_request *request,
const char *status,
const char *info);
void (*vsuccess)(
struct afb_request *request,
struct json_object *obj,
const char *fmt,
va_list args);
void (*vfail)(
struct afb_request *request,
const char *status,
const char *fmt,
va_list args);
void *(*context_get)(
struct afb_request *request);
void (*context_set)(
struct afb_request *request,
void *value,
void (*free_value)(void*));
struct afb_request *(*addref)(
struct afb_request *request);
void (*unref)(
struct afb_request *request);
void (*session_close)(
struct afb_request *request);
int (*session_set_LOA)(
struct afb_request *request,
unsigned level);
int (*subscribe)(
struct afb_request *request,
struct afb_event event);
int (*unsubscribe)(
struct afb_request *request,
struct afb_event event);
void (*subcall)(
struct afb_request *request,
const char *api,
const char *verb,
struct json_object *args,
void (*callback)(void*, int, struct json_object*),
void *cb_closure);
int (*subcallsync)(
struct afb_request *request,
const char *api,
const char *verb,
struct json_object *args,
struct json_object **result);
void (*vverbose)(
struct afb_request *request,
int level,
const char *file,
int line,
const char * func,
const char *fmt,
va_list args);
struct afb_stored_req *(*store)(
struct afb_request *request);
void (*subcall_req)(
struct afb_request *request,
const char *api,
const char *verb,
struct json_object *args,
void (*callback)(void*, int, struct json_object*, struct afb_req),
void *cb_closure);
int (*has_permission)(
struct afb_request *request,
const char *permission);
char *(*get_application_id)(
struct afb_request *request);
void *(*context_make)(
struct afb_request *request,
int replace,
void *(*create_value)(void *creation_closure),
void (*free_value)(void*),
void *creation_closure);
int (*subscribe_eventid)(
struct afb_request *request,
struct afb_eventid *eventid);
int (*unsubscribe_eventid)(
struct afb_request *request,
struct afb_eventid *eventid);
void (*subcall_request)(
struct afb_request *request,
const char *api,
const char *verb,
struct json_object *args,
void (*callback)(void*, int, struct json_object*, struct afb_request *request),
void *cb_closure);
int (*get_uid)(
struct afb_request *request);
};
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