2018-02-08 12:45:18 +02:00

131 lines
3.5 KiB
C

#pragma once
/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2020-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
/**
* @file Helper functions for creating JSON API conforming objects
*
* @see http://jsonapi.org/format/
*/
#include <maxscale/cdefs.h>
#include <maxscale/jansson.h>
MXS_BEGIN_DECLS
/** Resource endpoints */
#define MXS_JSON_API_SERVERS "/servers/"
#define MXS_JSON_API_SERVICES "/services/"
#define MXS_JSON_API_FILTERS "/filters/"
#define MXS_JSON_API_MONITORS "/monitors/"
#define MXS_JSON_API_SESSIONS "/sessions/"
#define MXS_JSON_API_MAXSCALE "/maxscale/"
#define MXS_JSON_API_THREADS "/maxscale/threads/"
#define MXS_JSON_API_LOGS "/maxscale/logs/"
#define MXS_JSON_API_TASKS "/maxscale/tasks/"
#define MXS_JSON_API_MODULES "/maxscale/modules/"
#define MXS_JSON_API_USERS "/users/"
/**
* @brief Create a JSON object
*
* @param host Hostname of this server
* @param self Endpoint of this resource
* @param data The JSON data, either an array or an object, stored in
* the `data` field of the returned object
*
* @return A valid top-level JSON API object
*/
json_t* mxs_json_resource(const char* host, const char* self, json_t* data);
/**
* @brief Create a JSON metadata object
*
* This should be used to transport non-standard data to the client.
*
* @param host Hostname of this server
* @param self Endpoint of this resource
* @param data The JSON data, either an array or an object, stored in
* the `meta` field of the returned object
*
* @return A valid top-level JSON API object
*/
json_t* mxs_json_metadata(const char* host, const char* self, json_t* data);
/**
* @brief Create an empty relationship object
*
* @param host Hostname of this server
* @param endpoint The endpoint for the resource's collection
*
* @return New relationship object
*/
json_t* mxs_json_relationship(const char* host, const char* endpoint);
/**
* @brief Add an item to a relationship object
*
* @param rel Relationship created with mxs_json_relationship
* @param id The resource identifier
* @param type The resource type
*/
void mxs_json_add_relation(json_t* rel, const char* id, const char* type);
/**
* @brief Create self link object
*
* The self link points to the object itself.
*
* @param host Hostname of this server
* @param path Base path to the resource collection
* @param id The identified of this resource
*
* @return New self link object
*/
json_t* mxs_json_self_link(const char* host, const char* path, const char* id);
/**
* @brief Return value at provided JSON Pointer
*
* @param json JSON object
* @param json_ptr JSON Pointer to object
*
* @return Pointed value or NULL if no value is found
*/
json_t* mxs_json_pointer(json_t* json, const char* json_ptr);
/**
* @brief Return a JSON formatted error
*
* @param format Format string
* @param ... Variable argument list
*
* @return The error as JSON
*/
json_t* mxs_json_error(const char* format, ...);
/**
* @brief Append error to existing JSON object.
*
* @param object Existing json error object, or NULL.
* @param format Format string
* @param ... Variable argument list
*
* @return The error added to 'errors' array of the JSON object.
*/
json_t* mxs_json_error_append(json_t* object, const char* format, ...);
MXS_END_DECLS