void
hnd_put_test(coap_context_t *ctx, struct coap_resource_t *resource,
coap_address_t *peer, coap_pdu_t *request, str *token,
coap_pdu_t *response) {
coap_opt_iterator_t opt_iter;
coap_opt_t *option;
coap_payload_t *payload;
size_t len;
unsigned char *data;
(void)ctx;
(void)peer;
(void)token;
response->hdr->code = COAP_RESPONSE_CODE(204);
coap_get_data(request, &len, &data);
payload = coap_find_payload(resource->key);
if (payload && payload->max_data < len) { /* need more storage */
coap_delete_payload(payload);
payload = NULL;
/* bug: when subsequent coap_new_payload() fails, our old contents
is gone */
}
if (!payload) { /* create new payload */
payload = coap_new_payload(len);
if (!payload)
goto error;
coap_add_payload(resource->key, payload, NULL);
}
payload->length = len;
memcpy(payload->data, data, len);
option = coap_check_option(request, COAP_OPTION_CONTENT_TYPE, &opt_iter);
if (option) {
/* set media type given in request */
payload->media_type =
coap_decode_var_bytes(COAP_OPT_VALUE(option), COAP_OPT_LENGTH(option));
} else {
/* set default value */
payload->media_type = COAP_MEDIATYPE_TEXT_PLAIN;
}
/* FIXME: need to change attribute ct of resource.
To do so, we need dynamic management of the attribute value
*/
return;
error:
warn("cannot modify resource\n");
response->hdr->code = COAP_RESPONSE_CODE(500);
}
/* DELETE handler for dynamic resources created by POST /test */
void
hnd_delete_resource(coap_context_t *ctx, struct coap_resource_t *resource,
coap_address_t *peer, coap_pdu_t *request, str *token,
coap_pdu_t *response) {
coap_payload_t *payload;
payload = coap_find_payload(resource->key);
if (payload)
coap_delete_payload(payload);
coap_delete_resource(ctx, resource->key);
response->hdr->code = COAP_RESPONSE_CODE(202);
}