static void prv_change(char * buffer,
void * user_data)
{
lwm2m_context_t * lwm2mH = (lwm2m_context_t *) user_data;
lwm2m_uri_t uri;
char * end = NULL;
int result;
end = get_end_of_arg(buffer);
if (end[0] == 0) goto syntax_error;
result = lwm2m_stringToUri(buffer, end - buffer, &uri);
if (result == 0) goto syntax_error;
buffer = get_next_arg(end, &end);
if (buffer[0] == 0)
{
fprintf(stderr, "report change!\n");
lwm2m_resource_value_changed(lwm2mH, &uri);
}
else
{
handle_value_changed(lwm2mH, &uri, buffer, end - buffer);
}
return;
syntax_error:
fprintf(stdout, "Syntax error !\n");
}
void handle_value_changed(lwm2m_context_t * lwm2mH,
lwm2m_uri_t * uri,
const char * value,
size_t valueLength)
{
lwm2m_object_t * object = (lwm2m_object_t *)LWM2M_LIST_FIND(lwm2mH->objectList, uri->objectId);
if (NULL != object)
{
if (object->writeFunc != NULL)
{
lwm2m_data_t * dataP;
int result;
dataP = lwm2m_data_new(1);
if (dataP == NULL)
{
fprintf(stderr, "Internal allocation failure !\n");
return;
}
dataP->id = uri->resourceId;
lwm2m_data_encode_nstring(value, valueLength, dataP);
result = object->writeFunc(uri->instanceId, 1, dataP, object);
if (COAP_405_METHOD_NOT_ALLOWED == result)
{
switch (uri->objectId)
{
case LWM2M_DEVICE_OBJECT_ID:
result = device_change(dataP, object);
break;
default:
break;
}
}
if (COAP_204_CHANGED != result)
{
fprintf(stderr, "Failed to change value!\n");
}
else
{
fprintf(stderr, "value changed!\n");
lwm2m_resource_value_changed(lwm2mH, uri);
}
lwm2m_data_free(1, dataP);
return;
}
else
{
fprintf(stderr, "write not supported for specified resource!\n");
}
return;
}
else
{
fprintf(stderr, "Object not found !\n");
}
}
void handle_value_changed(lwm2m_context_t * lwm2mH,
lwm2m_uri_t * uri,
const char * value,
size_t valueLength)
{
lwm2m_object_t * object = prv_find_object(lwm2mH, uri->objectId);
if (NULL != object)
{
if (object->writeFunc != NULL)
{
lwm2m_data_t * dataP;
int result;
dataP = lwm2m_data_new(1);
if (dataP == NULL)
{
fprintf(stderr, "Internal allocation failure !\n");
return;
}
dataP->flags = LWM2M_TLV_FLAG_STATIC_DATA | LWM2M_TLV_FLAG_TEXT_FORMAT;
#ifdef LWM2M_BOOTSTRAP
if (lwm2mH->bsState == BOOTSTRAP_PENDING) {
dataP->flags |= LWM2M_TLV_FLAG_BOOTSTRAPPING;
}
#endif
dataP->id = uri->resourceId;
dataP->length = valueLength;
dataP->value = (uint8_t*) value;
result = object->writeFunc(uri->instanceId, 1, dataP, object);
if (COAP_405_METHOD_NOT_ALLOWED == result)
{
switch (uri->objectId)
{
case LWM2M_DEVICE_OBJECT_ID:
result = device_change(dataP, object);
break;
default:
break;
}
}
if (COAP_204_CHANGED != result)
{
fprintf(stderr, "Failed to change value!\n");
}
else
{
fprintf(stderr, "value changed!\n");
lwm2m_resource_value_changed(lwm2mH, uri);
}
lwm2m_data_free(1, dataP);
return;
}
else
{
fprintf(stderr, "write not supported for specified resource!\n");
}
return;
}
else
{
fprintf(stderr, "Object not found !\n");
}
}