| /* |
| * Copyright (c) 2017 Linaro Limited |
| * |
| * 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) |
| |
| struct lwm2m_message; |
| |
| /* Establish a message timeout callback */ |
| typedef void (*lwm2m_message_timeout_cb_t)(struct lwm2m_message *msg); |
| |
| /* Internal LwM2M message structure to track in-flight messages. */ |
| struct lwm2m_message { |
| /** LwM2M context related to this message */ |
| struct lwm2m_ctx *ctx; |
| |
| /** CoAP packet data related to this message */ |
| struct coap_packet cpkt; |
| |
| /** Message transmission handling for TYPE_CON */ |
| struct coap_pending *pending; |
| struct coap_reply *reply; |
| |
| /** Message configuration */ |
| u8_t *token; |
| coap_reply_t reply_cb; |
| lwm2m_message_timeout_cb_t message_timeout_cb; |
| u16_t mid; |
| u8_t type; |
| u8_t code; |
| u8_t tkl; |
| |
| /** Counter for message re-send / abort handling */ |
| u8_t send_attempts; |
| }; |
| |
| /* 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_engine_context *context, |
| struct lwm2m_engine_obj_inst **obj_inst, |
| u8_t *created); |
| |
| /* LwM2M context functions */ |
| void lwm2m_engine_context_init(struct lwm2m_ctx *client_ctx); |
| |
| /* 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_write_handler(struct lwm2m_engine_obj_inst *obj_inst, |
| struct lwm2m_engine_res_inst *res, |
| struct lwm2m_engine_obj_field *obj_field, |
| struct lwm2m_engine_context *context); |
| |
| void lwm2m_udp_receive(struct lwm2m_ctx *client_ctx, struct net_pkt *pkt, |
| bool handle_separate_response, |
| udp_request_handler_cb_t udp_request_handler); |
| |
| enum coap_block_size lwm2m_default_block_size(void); |
| |
| int lwm2m_engine_add_service(void (*service)(void), u32_t period_ms); |
| |
| int lwm2m_engine_get_resource(char *pathstr, |
| struct lwm2m_engine_res_inst **res); |
| |
| size_t lwm2m_engine_get_opaque_more(struct lwm2m_input_context *in, |
| u8_t *buf, size_t buflen, bool *last_block); |
| |
| #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 |
| |
| #endif /* LWM2M_ENGINE_H */ |