aiot_coap_api.h

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#ifndef __AIOT_COAP_API_H__
#define __AIOT_COAP_API_H__

#if defined(__cplusplus)
extern "C" {
#endif

#include <stdint.h>

#define STATE_COAP_BASE                                             (-0x0800)

#define STATE_COAP_LOG_HEXDUMP                                      (-0x0801)

#define STATE_COAP_HEADER_TYPE_ERROR                                (-0x0802)

#define STATE_COAP_HEADER_CODE_ERROR                                (-0x0802)

#define STATE_COAP_MSG_LEN_ERROR                                    (-0x0803)

#define STATE_COAP_MSG_TOKEN_LEN_TOO_SHORT                          (-0x0804)

#define STATE_COAP_RX_OPTION_CNT_EXCEED_LIMIT                       (-0x0805)

#define STATE_COAP_OPT_DELTA_THIRTEEN_OPT_LEN_ERROR                 (-0x0806)

#define STATE_COAP_OPTION_END_NOT_FOUND                             (-0x0807)

#define STATE_COAP_TX_URI_OPTION_CNT_EXCEED_LIMIT                   (-0x0808)

#define STATE_COAP_MALLOC_MSG_FAILED                                (-0x0809)

#define STATE_COAP_MALLOC_MSG_BUFFER_FAILED                         (-0x080A)

#define STATE_COAP_REQUEST_IS_NULL                                  (-0x080B)

#define STATE_COAP_OPT_DELTA_FOURTEEN_OPT_LEN_ERROR                 (-0x080C)

#define STATE_COAP_EMPTY_MSG_PARAM_ERROR                            (-0x080D)

#define STATE_COAP_EMPTY_MSG_MALLOC_FAILED                          (-0x080E)

#define STATE_COAP_OPTION_NOT_IN_ORDER                              (-0x080F)

#define STATE_COAP_HEADER_FORMAT_ERROR                              (-0x0810)

#define STATE_COAP_OPTION_BUFFER_TOO_SHORT                          (-0x081A)

#define STATE_COAP_SEND_MESSAGE_IS_NULL                             (-0x081B)

#define STATE_COAP_HEADER_BUFFER_IS_TOO_SHORT                       (-0x081C)

#define STATE_COAP_OPT_LEN_THIRTEEN_OPT_LEN_ERROR                   (-0x081D)

#define STATE_COAP_CREATE_PSK_FAILED                                (-0x081E)

#define STATE_COAP_SET_NWK_PARMS_FAILED                             (-0x081F)

#define STATE_COAP_SEND_HANDLE_IS_NULL                              (-0x0820)

#define STATE_COAP_SEND_TOPIC_IS_NULL                               (-0x0821)

#define STATE_COAP_SEND_REQUEST_IS_NULL                             (-0x0822)

#define STATE_COAP_SEND_PAYLOAD_IS_NULL                             (-0x0823)

#define STATE_COAP_SET_PSK_FAILED                                   (-0x0824)

#define STATE_COAP_NWK_ESTABLISH_FAILED                             (-0x0825)

#define STATE_COAP_RECV_HANDLE_IS_NULL                              (-0x0826)

#define STATE_COAP_AUTH_HANDLE_IS_NULL                              (-0x0827)

#define STATE_COAP_AUTH_DEVICE_INFO_MISSING                         (-0x0828)

#define STATE_COAP_SIGN_SRC_MALLOC_FAILED                           (-0x0829)

#define STATE_COAP_TX_TOTAL_OPTION_CNT_EXCEED_LIMIT                 (-0x082A)

#define STATE_COAP_RECV_WITHOUT_AUTHORIZATION                       (-0x082B)

#define STATE_COAP_AUTH_TIMEOUT                                     (-0x082C)

#define STATE_COAP_AUTH_RSP_TOKEN_IS_NULL                           (-0x082D)

#define STATE_COAP_AUTH_DEBUG                                       (-0x082E)

#define STATE_COAP_AUTH_TOKEN_MALLOC_FAILED                         (-0x082F)

#define STATE_COAP_SEND_INVALID_MSG_TYPE                            (-0x0830)

#define STATE_COAP_NWK_HANDLE_IS_NULL                               (-0x0831)

#define AIOT_COAP_OPT_PARAMS_INVALID                                (-0x0832)

#define STATE_COAP_INVALID_OPTION                                   (-0x0833)

#define STATE_COAP_UNSUPPORTED_CONTENT_FORMAT                       (-0x0834)

#define STATE_COAP_SEND_WITHOUT_AUTHORIZATION                       (-0x0835)

#define STATE_COAP_OPT_LEN_FOURTEEN_OPT_LEN_ERROR                   (-0x0836)

#define STATE_COAP_PAYLOAD_BUFFER_IS_TOO_SHORT                      (-0x0837)

#define STATE_COAP_OPTION_LEN_ERROR                                 (-0x0838)

#define STATE_COAP_LOG_AUTH_TOKEN                                   (-0x0839)

#define STATE_COAP_LOG_CONTENT                                      (-0x083A)

#define STATE_COAP_INPUT_OUT_RANGE                                  (-0x083B)

#define STATE_COAP_DYNREG_SECRET_TOO_LONG                           (-0x0840)

#define STATE_COAP_DYNREG_HANDLE_IS_NULL                            (-0x0841)

#define STATE_COAP_DYNREG_DEVICE_INFO_MISSING                       (-0x0842)

#define STATE_COAP_DYNREG_TIMEOUT                                   (-0x0843)

#define STATE_COAP_AUTH_FAILED                                      (-0x0844)



typedef enum {
    AIOT_COAPRECV_RESPONSE,
} aiot_coap_recv_type_t;

typedef struct {

    aiot_coap_recv_type_t type;

    struct {
        uint8_t    *payload;
        uint32_t    payload_len;
        uint8_t     rsp_code;
        uint32_t    msg_token;
        uint16_t    msg_id;
    } data;
} aiot_coap_recv_t;

typedef void (*aiot_coap_recv_handler_t)(void *handle,
        aiot_coap_recv_t *packet,
        void *userdata);

typedef enum {

    AIOT_COAPEVT_AUTH_TOKEN_RECEIVED,

    AIOT_COAPEVT_AUTH_TOKEN_EXPIRED,
} aiot_coap_event_type_t;

typedef struct {

    aiot_coap_event_type_t type;
} aiot_coap_event_t;

typedef void (*aiot_coap_event_handler_t)(void *handle,
        aiot_coap_event_t *event,
        void *userdata);


typedef enum {

    AIOT_COAPOPT_HOST,

    AIOT_COAPOPT_PORT,

    AIOT_COAPOPT_PRODUCT_KEY,

    AIOT_COAPOPT_DEVICE_NAME,

    AIOT_COAPOPT_DEVICE_SECRET,

    AIOT_COAPOPT_CRED,

    AIOT_COAPOPT_AUTH_TIMEOUT,

    AIOT_COAPOPT_RECV_TIMEOUT,

    AIOT_COAPOPT_SEND_TIMEOUT,

    AIOT_COAPOPT_RECV_HANDLER,

    AIOT_COAPOPT_EVENT_HANDLER,

    AIOT_COAPOPT_USERDATA,

    AIOT_COAPOPT_PAYLOAD_ENCRYPTION,
    AIOT_COAPOPT_MAX,
} aiot_coap_option_t;

typedef enum {
    AIOT_COAP_CT_TEXT_PLAIN           = 0,   
    AIOT_COAP_CT_APP_LINK_FORMAT      = 40,  
    AIOT_COAP_CT_APP_XML              = 41,  
    AIOT_COAP_CT_APP_OCTET_STREAM     = 42,  
    AIOT_COAP_CT_APP_RDF_XML          = 43,  
    AIOT_COAP_CT_APP_EXI              = 47,  
    AIOT_COAP_CT_APP_JSON             = 50,  
    AIOT_COAP_CT_APP_CBOR             = 60   
} aiot_coap_content_format_t;

typedef enum {

    AIOT_COAP_MSG_TYPE_CON  = 0x00,

    AIOT_COAP_MSG_TYPE_NON  = 0x01,

    AIOT_COAP_MSG_TYPE_ACK  = 0x02,  
    AIOT_COAP_MSG_TYPE_RST  = 0x03,  
    AIOT_COAP_MSG_TYPE_MAX  = 0x04,
} aiot_coap_msg_type_t;

typedef struct {

    uint8_t                    *payload;
    uint32_t                    payload_len;

    aiot_coap_msg_type_t       msg_type;

    aiot_coap_content_format_t content_format;

    uint32_t                   *msg_token;
} aiot_coap_request_t;


void *aiot_coap_init(void);

int32_t aiot_coap_setopt(void *handle, aiot_coap_option_t option, void *data);

int32_t aiot_coap_send(void *handle, const char *topic, aiot_coap_request_t *message);

int32_t aiot_coap_recv(void *handle);

int32_t aiot_coap_deinit(void **handle);

int32_t aiot_coap_auth(void *handle);

int32_t aiot_coap_dynreg(void *handle, const char *product_secret, char *out_secret, uint32_t out_secret_maxlen);


int32_t aiot_coap_request_message(void *handle, int32_t counter);

#if defined(__cplusplus)
}
#endif

#endif  /* __AIOT_COAP_API_H__ */