static void prv_create_client(char * buffer,
void * user_data)
{
lwm2m_context_t * lwm2mH = (lwm2m_context_t *) user_data;
uint16_t clientId;
lwm2m_uri_t uri;
char * end = NULL;
int result;
int64_t value;
uint8_t temp_buffer[MAX_PACKET_SIZE];
int temp_length = 0;
lwm2m_media_type_t format = LWM2M_CONTENT_TEXT;
//Get Client ID
result = prv_read_id(buffer, &clientId);
if (result != 1) goto syntax_error;
//Get Uri
buffer = get_next_arg(buffer, &end);
if (buffer[0] == 0) goto syntax_error;
result = lwm2m_stringToUri(buffer, end - buffer, &uri);
if (result == 0) goto syntax_error;
//Get Data to Post
buffer = get_next_arg(end, &end);
if (buffer[0] == 0) goto syntax_error;
if (!check_end_of_args(end)) goto syntax_error;
// TLV
/* Client dependent part */
if (uri.objectId == 1024)
{
result = lwm2m_PlainTextToInt64((uint8_t *)buffer, end - buffer, &value);
temp_length = lwm2m_intToTLV(LWM2M_TYPE_RESOURCE, value, (uint16_t) 1, temp_buffer, MAX_PACKET_SIZE);
format = LWM2M_CONTENT_TLV;
}
/* End Client dependent part*/
//Create
result = lwm2m_dm_create(lwm2mH, clientId, &uri, format, temp_buffer, temp_length, prv_result_callback, NULL);
if (result == 0)
{
fprintf(stdout, "OK");
}
else
{
prv_print_error(result);
}
return;
syntax_error:
fprintf(stdout, "Syntax error !");
}
static int prv_get_object_tlv(char ** bufferP,
firmware_data_t* dataP)
{
int length = 0;
int result;
char temp_buffer[16];
int temp_length;
*bufferP = (uint8_t *)malloc(PRV_TLV_BUFFER_SIZE);
if (NULL == *bufferP) return 0;
result = lwm2m_intToTLV(TLV_RESSOURCE, dataP->state, 3, *bufferP, PRV_TLV_BUFFER_SIZE);
if (0 == result) goto error;
length += result;
result = lwm2m_boolToTLV(TLV_RESSOURCE, dataP->supported, 4, *bufferP + length, PRV_TLV_BUFFER_SIZE - length);
if (0 == result) goto error;
length += result;
result = lwm2m_intToTLV(TLV_RESSOURCE, dataP->result, 5, *bufferP + length, PRV_TLV_BUFFER_SIZE - length);
if (0 == result) goto error;
length += result;
fprintf(stderr, "TLV (%d bytes):\r\n", length);
prv_output_buffer(*bufferP, length);
return length;
error:
fprintf(stderr, "TLV generation failed:\r\n");
free(*bufferP);
*bufferP = NULL;
return 0;
}
static uint8_t prv_read(lwm2m_uri_t * uriP,
char ** bufferP,
int * lengthP,
lwm2m_object_t * objectP)
{
prv_instance_t * targetP;
*bufferP = NULL;
*lengthP = 0;
if (!LWM2M_URI_IS_SET_INSTANCE(uriP))
{
*bufferP = (char *)malloc(PRV_TLV_BUFFER_SIZE);
if (NULL == *bufferP) return COAP_500_INTERNAL_SERVER_ERROR;
// TLV
for (targetP = (prv_instance_t *)(objectP->instanceList); targetP != NULL ; targetP = targetP->next)
{
char temp_buffer[16];
int temp_length = 0;
int result;
result = lwm2m_intToTLV(TLV_RESSOURCE, targetP->test, 1, temp_buffer, 16);
if (0 == result)
{
*lengthP = 0;
break;
}
temp_length += result;
result = lwm2m_opaqueToTLV(TLV_OBJECT_INSTANCE, temp_buffer, temp_length, targetP->shortID, *bufferP + *lengthP, PRV_TLV_BUFFER_SIZE - *lengthP);
if (0 == result)
{
*lengthP = 0;
break;
}
*lengthP += result;
}
if (*lengthP == 0)
{
free(*bufferP);
*bufferP = NULL;
return COAP_500_INTERNAL_SERVER_ERROR;
}
prv_output_buffer(*bufferP, *lengthP);
return COAP_205_CONTENT;
}
else
{
targetP = (prv_instance_t *)lwm2m_list_find(objectP->instanceList, uriP->instanceId);
if (NULL == targetP) return COAP_404_NOT_FOUND;
if (!LWM2M_URI_IS_SET_RESOURCE(uriP))
{
// TLV
*bufferP = (char *)malloc(PRV_TLV_BUFFER_SIZE);
if (NULL == *bufferP) return COAP_500_INTERNAL_SERVER_ERROR;
*lengthP = lwm2m_intToTLV(TLV_RESSOURCE, targetP->test, 1, *bufferP, PRV_TLV_BUFFER_SIZE);
if (0 == *lengthP)
{
free(*bufferP);
*bufferP = NULL;
return COAP_500_INTERNAL_SERVER_ERROR;
}
prv_output_buffer(*bufferP, *lengthP);
return COAP_205_CONTENT;
}
switch (uriP->resourceId)
{
case 1:
// we use int16 because value is unsigned
*lengthP = lwm2m_int16ToPlainText(targetP->test, bufferP);
if (*lengthP <= 0) return COAP_500_INTERNAL_SERVER_ERROR;
return COAP_205_CONTENT;
default:
return COAP_404_NOT_FOUND;
}
}
}
