static int
light_method_get(const struct sol_coap_resource *resource, struct sol_coap_packet *req,
const struct sol_network_link_addr *cliaddr, void *data)
{
struct sol_coap_server *server = (void *)data;
struct sol_coap_packet *resp;
uint8_t *payload;
uint16_t len;
resp = sol_coap_packet_new(req);
if (!resp) {
SOL_WRN("Could not build response packet");
return -1;
}
sol_coap_header_set_type(resp, SOL_COAP_TYPE_ACK);
sol_coap_header_set_code(resp, SOL_COAP_RSPCODE_CONTENT);
sol_coap_packet_get_payload(resp, &payload, &len);
len = light_resource_to_rep(resource, get_scrolllock_led(), (char *)payload, len);
sol_coap_packet_set_payload_used(resp, len);
return sol_coap_send_packet(server, resp, cliaddr);
}
static bool
update_light(void *data)
{
struct light_context *context = data;
struct sol_coap_server *server = context->server;
struct sol_coap_resource *resource = context->resource;
struct sol_coap_packet *pkt;
uint8_t *payload;
uint16_t len;
SOL_INF("Emitting notification");
pkt = sol_coap_packet_notification_new(server, resource);
SOL_NULL_CHECK(pkt, false);
sol_coap_header_set_code(pkt, SOL_COAP_RSPCODE_CONTENT);
sol_coap_packet_get_payload(pkt, &payload, &len);
len = light_resource_to_rep(resource, get_scrolllock_led(), (char *)payload, len);
sol_coap_packet_set_payload_used(pkt, len);
return !sol_coap_packet_send_notification(server, resource, pkt);
}
CborError
sol_oic_encode_cbor_repr(struct sol_coap_packet *pkt,
const char *href, const struct sol_vector *repr_vec)
{
CborEncoder encoder, rep_map, array, map;
CborError err;
uint8_t *payload;
uint16_t size;
if (!repr_vec)
return CborNoError;
if (sol_coap_packet_get_payload(pkt, &payload, &size) < 0) {
SOL_WRN("Could not get CoAP payload");
return CborUnknownError;
}
cbor_encoder_init(&encoder, payload, size, 0);
err = cbor_encoder_create_array(&encoder, &array, CborIndefiniteLength);
err |= cbor_encode_uint(&array, SOL_OIC_PAYLOAD_REPRESENTATION);
err |= cbor_encoder_create_map(&array, &map, CborIndefiniteLength);
err |= cbor_encode_text_stringz(&map, SOL_OIC_KEY_HREF);
err |= cbor_encode_text_stringz(&map, href);
err |= cbor_encode_text_stringz(&map, SOL_OIC_KEY_REPRESENTATION);
err |= cbor_encoder_create_map(&map, &rep_map, CborIndefiniteLength);
if (repr_vec) {
struct sol_oic_repr_field *repr;
uint16_t idx;
SOL_VECTOR_FOREACH_IDX (repr_vec, repr, idx) {
if (err != CborNoError)
break;
err |= cbor_encode_text_stringz(&rep_map, repr->key);
switch (repr->type) {
case SOL_OIC_REPR_TYPE_UINT:
err |= cbor_encode_uint(&rep_map, repr->v_uint);
break;
case SOL_OIC_REPR_TYPE_INT:
err |= cbor_encode_int(&rep_map, repr->v_int);
break;
case SOL_OIC_REPR_TYPE_SIMPLE:
err |= cbor_encode_simple_value(&rep_map, repr->v_simple);
break;
case SOL_OIC_REPR_TYPE_TEXT_STRING: {
const char *p = repr->v_slice.data ? repr->v_slice.data : "";
err |= cbor_encode_text_string(&rep_map, p, repr->v_slice.len);
break;
}
case SOL_OIC_REPR_TYPE_BYTE_STRING: {
const uint8_t *empty = (const uint8_t *)"";
const uint8_t *p = repr->v_slice.data ? (const uint8_t *)repr->v_slice.data : empty;
err |= cbor_encode_byte_string(&rep_map, p, repr->v_slice.len);
break;
}
case SOL_OIC_REPR_TYPE_HALF_FLOAT:
err |= cbor_encode_half_float(&rep_map, repr->v_voidptr);
break;
case SOL_OIC_REPR_TYPE_FLOAT:
err |= cbor_encode_float(&rep_map, repr->v_float);
break;
case SOL_OIC_REPR_TYPE_DOUBLE:
err |= cbor_encode_double(&rep_map, repr->v_double);
break;
case SOL_OIC_REPR_TYPE_BOOLEAN:
err |= cbor_encode_boolean(&rep_map, repr->v_boolean);
break;
default:
if (err == CborNoError)
err = CborErrorUnknownType;
}
}
}
err |= cbor_encoder_close_container(&map, &rep_map);
err |= cbor_encoder_close_container(&array, &map);
err |= cbor_encoder_close_container(&encoder, &array);
if (err == CborNoError)
sol_coap_packet_set_payload_used(pkt, encoder.ptr - payload);
return err;
}
