/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

#ifndef __IMGMGR_PRIV_H_
#define __IMGMGR_PRIV_H_

#include <stdint.h>
#include "os/mynewt.h"

#ifdef __cplusplus
extern "C" {
#endif

#define IMGMGR_MAX_IMGS		2

#define IMGMGR_HASH_STR		48

#define IMGMGR_DATA_SHA_LEN     32 /* SHA256 */

/*
 * When accompanied by image, it's this structure followed by data.
 * Response contains just the offset.
 */
struct imgmgr_upload_cmd {
    uint32_t iuc_off;
};

/*
 * Response to list:
 * {
 *      "images":[ <version1>, <version2>]
 * }
 *
 *
 * Request to boot to version:
 * {
 *      "test":<version>
 * }
 *
 *
 * Response to boot read:
 * {
 *	"test":<version>,
 *	"main":<version>,
 *      "active":<version>
 * }
 *
 *
 * Request to image upload:
 * {
 *      "off":<offset>,
 *      "len":<img_size>		inspected when off = 0
 *      "data":<base64encoded binary>
 * }
 *
 *
 * Response to upload:
 * {
 *      "off":<offset>
 * }
 *
 *
 * Request to image upload:
 * {
 *      "off":<offset>
 *	"name":<filename>		inspected when off = 0
 *      "len":<file_size>		inspected when off = 0
 *      "data":<base64encoded binary>
 * }
 */

struct mgmt_cbuf;

int imgr_core_list(struct mgmt_cbuf *);
int imgr_core_load(struct mgmt_cbuf *);
int imgr_core_erase(struct mgmt_cbuf *);
int imgmgr_state_read(struct mgmt_cbuf *cb);
int imgmgr_state_write(struct mgmt_cbuf *njb);
int imgr_find_by_ver(struct image_version *find, uint8_t *hash);
int imgr_find_by_hash(uint8_t *find, struct image_version *ver);
int imgr_cli_register(void);

#ifdef __cplusplus
}
#endif

#endif /* __IMGMGR_PRIV_H */