/*
* Copyright (c) 2017 Linaro Limited
* Copyright (c) 2018-2019 Foundries.io
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef LWM2M_ENGINE_H
#define LWM2M_ENGINE_H
#include "lwm2m_object.h"
#define LWM2M_PROTOCOL_VERSION "1.0"
/* LWM2M / CoAP Content-Formats */
#define LWM2M_FORMAT_PLAIN_TEXT 0
#define LWM2M_FORMAT_APP_LINK_FORMAT 40
#define LWM2M_FORMAT_APP_OCTET_STREAM 42
#define LWM2M_FORMAT_APP_EXI 47
#define LWM2M_FORMAT_APP_JSON 50
#define LWM2M_FORMAT_OMA_PLAIN_TEXT 1541
#define LWM2M_FORMAT_OMA_OLD_TLV 1542
#define LWM2M_FORMAT_OMA_OLD_JSON 1543
#define LWM2M_FORMAT_OMA_OLD_OPAQUE 1544
#define LWM2M_FORMAT_OMA_TLV 11542
#define LWM2M_FORMAT_OMA_JSON 11543
/* 65000 ~ 65535 inclusive are reserved for experiments */
#define LWM2M_FORMAT_NONE 65535
#define COAP_RESPONSE_CODE_CLASS(x) (x >> 5)
#define COAP_RESPONSE_CODE_DETAIL(x) (x & 0x1F)
/* TODO: */
#define NOTIFY_OBSERVER(o, i, r) lwm2m_notify_observer(o, i, r)
#define NOTIFY_OBSERVER_PATH(path) lwm2m_notify_observer_path(path)
/* Use this value to skip token generation */
#define LWM2M_MSG_TOKEN_LEN_SKIP 0xFF
/* length of time in milliseconds to wait for buffer allocations */
#define BUF_ALLOC_TIMEOUT K_SECONDS(1)
/* coap reply status */
#define COAP_REPLY_STATUS_NONE 0
#define COAP_REPLY_STATUS_ERROR 1
/* Establish a request handler callback type */
typedef int (*udp_request_handler_cb_t)(struct coap_packet *request,
struct lwm2m_message *msg);
char *lwm2m_sprint_ip_addr(const struct sockaddr *addr);
int lwm2m_notify_observer(u16_t obj_id, u16_t obj_inst_id, u16_t res_id);
int lwm2m_notify_observer_path(struct lwm2m_obj_path *path);
void lwm2m_register_obj(struct lwm2m_engine_obj *obj);
void lwm2m_unregister_obj(struct lwm2m_engine_obj *obj);
struct lwm2m_engine_obj_field *
lwm2m_get_engine_obj_field(struct lwm2m_engine_obj *obj, int res_id);
int lwm2m_create_obj_inst(u16_t obj_id, u16_t obj_inst_id,
struct lwm2m_engine_obj_inst **obj_inst);
int lwm2m_delete_obj_inst(u16_t obj_id, u16_t obj_inst_id);
int lwm2m_get_or_create_engine_obj(struct lwm2m_message *msg,
struct lwm2m_engine_obj_inst **obj_inst,
u8_t *created);
/* LwM2M context functions */
int lwm2m_engine_context_close(struct lwm2m_ctx *client_ctx);
void lwm2m_engine_context_init(struct lwm2m_ctx *client_ctx);
/* Message buffer functions */
u8_t *lwm2m_get_message_buf(void);
int lwm2m_put_message_buf(u8_t *buf);
/* LwM2M message functions */
struct lwm2m_message *lwm2m_get_message(struct lwm2m_ctx *client_ctx);
void lwm2m_reset_message(struct lwm2m_message *msg, bool release);
int lwm2m_init_message(struct lwm2m_message *msg);
int lwm2m_send_message(struct lwm2m_message *msg);
u16_t lwm2m_get_rd_data(u8_t *client_data, u16_t size);
int lwm2m_perform_read_op(struct lwm2m_message *msg, u16_t content_format);
int lwm2m_write_handler(struct lwm2m_engine_obj_inst *obj_inst,
struct lwm2m_engine_res *res,
struct lwm2m_engine_res_inst *res_inst,
struct lwm2m_engine_obj_field *obj_field,
struct lwm2m_message *msg);
enum coap_block_size lwm2m_default_block_size(void);
int lwm2m_engine_add_service(k_work_handler_t service, u32_t period_ms);
int lwm2m_engine_get_resource(char *pathstr,
struct lwm2m_engine_res **res);
size_t lwm2m_engine_get_opaque_more(struct lwm2m_input_context *in,
u8_t *buf, size_t buflen, bool *last_block);
int lwm2m_security_inst_id_to_index(u16_t obj_inst_id);
int lwm2m_security_index_to_inst_id(int index);
s32_t lwm2m_server_get_pmin(u16_t obj_inst_id);
s32_t lwm2m_server_get_pmax(u16_t obj_inst_id);
#if defined(CONFIG_LWM2M_FIRMWARE_UPDATE_OBJ_SUPPORT)
u8_t lwm2m_firmware_get_update_state(void);
void lwm2m_firmware_set_update_state(u8_t state);
void lwm2m_firmware_set_update_result(u8_t result);
u8_t lwm2m_firmware_get_update_result(void);
#endif
/* Network Layer */
int lwm2m_socket_add(struct lwm2m_ctx *ctx);
void lwm2m_socket_del(struct lwm2m_ctx *ctx);
int lwm2m_socket_start(struct lwm2m_ctx *client_ctx);
int lwm2m_parse_peerinfo(char *url, struct sockaddr *addr, bool *use_dtls);
#endif /* LWM2M_ENGINE_H */
