Typedef anjay_dm_resource_read_attrs_t

• Defined in File dm.h

Typedef Documentation

typedef int anjay_dm_resource_read_attrs_t(anjay_t *anjay, const anjay_dm_object_def_t *const *obj_ptr, anjay_iid_t iid, anjay_rid_t rid, anjay_ssid_t ssid, anjay_dm_r_attributes_t *out)

A handler that returns Resource attributes.

Param anjay:

Anjay object to operate on.

Param obj_ptr:

Object definition pointer, as passed to anjay_register_object .

Param iid:

Object Instance ID.

Param rid:

Resource ID.

Param ssid:

Short Server ID of the LwM2M Server issuing the request.

Param out:

[out] Returned Resource attributes.

Return:

This handler should return:

• 0 on success,

• a negative value in case of error. If it returns one of ANJAY_ERR_ constants, the response message will have an appropriate CoAP response code. Otherwise, the device will respond with an unspecified (but valid) error code.