void handle_bootstrap_response(lwm2m_context_t * context,
coap_packet_t * message,
void * fromSessionH)
{
if (COAP_204_CHANGED == message->code)
{
context->bsState = BOOTSTRAP_PENDING;
LOG("[BOOTSTRAP] Received ACK/2.04, Bootstrap pending, waiting for DEL/PUT from BS server...\r\n");
reset_bootstrap_timer(context);
}
else
{
bootstrap_failed(context);
}
}
// start a device initiated bootstrap
int bootstrap_initiating_request(lwm2m_context_t * context)
{
char query[PRV_QUERY_BUFFER_LENGTH];
int query_length = 0;
lwm2m_transaction_t * transaction = NULL;
query_length = snprintf(query, sizeof(query), "?ep=%s", context->endpointName);
if (query_length <= 1)
{
return INTERNAL_SERVER_ERROR_5_00;
}
// find the first bootstrap server
lwm2m_server_t * bootstrapServer = context->bootstrapServerList;
while (bootstrapServer != NULL)
{
if (bootstrapServer->sessionH == NULL)
{
bootstrapServer->sessionH = context->connectCallback(bootstrapServer->secObjInstID, context->userData);
}
if (bootstrapServer->sessionH != NULL)
{
LOG("[BOOTSTRAP] Bootstrap session starting...\r\n");
transaction = transaction_new(COAP_TYPE_CON, COAP_POST, NULL, NULL, context->nextMID++, 4, NULL, ENDPOINT_SERVER, (void *)bootstrapServer);
if (transaction == NULL)
{
return INTERNAL_SERVER_ERROR_5_00;
}
coap_set_header_uri_path(transaction->message, "/"URI_BOOTSTRAP_SEGMENT);
coap_set_header_uri_query(transaction->message, query);
transaction->callback = prv_handleBootstrapReply;
transaction->userData = (void *)context;
context->transactionList = (lwm2m_transaction_t *)LWM2M_LIST_ADD(context->transactionList, transaction);
if (transaction_send(context, transaction) == 0)
{
LOG("[BOOTSTRAP] DI bootstrap requested to BS server\r\n");
context->bsState = BOOTSTRAP_INITIATED;
reset_bootstrap_timer(context);
}
}
else
{
LOG("No bootstrap session handler found\r\n");
}
bootstrapServer = bootstrapServer->next;
}
return NO_ERROR;
}
void bootstrap_failed(lwm2m_context_t * context)
{
reset_bootstrap_timer(context);
context->bsState = BOOTSTRAP_FAILED;
LOG("[BOOTSTRAP] Bootstrap failed\r\n");
}
coap_status_t ICACHE_FLASH_ATTR
object_write(lwm2m_context_t * contextP,
lwm2m_uri_t * uriP,
lwm2m_media_type_t format,
uint8_t * buffer,
size_t length)
{
coap_status_t result = NO_ERROR;
lwm2m_object_t * targetP;
lwm2m_data_t * dataP = NULL;
int size = 0;
targetP = prv_find_object(contextP, uriP->objectId);
if (NULL == targetP)
{
result = NOT_FOUND_4_04;
}
else if (NULL == targetP->writeFunc)
{
result = METHOD_NOT_ALLOWED_4_05;
}
else
{
if (LWM2M_URI_IS_SET_RESOURCE(uriP))
{
size = 1;
dataP = lwm2m_data_new(size);
if (dataP == NULL)
{
return COAP_500_INTERNAL_SERVER_ERROR;
}
dataP->flags = LWM2M_TLV_FLAG_TEXT_FORMAT | LWM2M_TLV_FLAG_STATIC_DATA;
dataP->type = LWM2M_TYPE_RESOURCE;
dataP->id = uriP->resourceId;
dataP->length = length;
dataP->value = (uint8_t *)buffer;
}
else
{
size = lwm2m_data_parse(buffer, length, format, &dataP);
if (size == 0)
{
result = COAP_500_INTERNAL_SERVER_ERROR;
}
}
}
if (result == NO_ERROR)
{
#ifdef ICACHE_FLASH_ATTR
if (contextP->bsState == BOOTSTRAP_PENDING)
{
dataP->flags |= LWM2M_TLV_FLAG_BOOTSTRAPPING;
}
#endif
result = targetP->writeFunc(uriP->instanceId, size, dataP, targetP);
lwm2m_data_free(size, dataP);
}
#ifdef ICACHE_FLASH_ATTR
if (contextP->bsState == BOOTSTRAP_PENDING)
{
if (result == COAP_204_CHANGED)
{
reset_bootstrap_timer(contextP);
}
else
{
bootstrap_failed(contextP);
}
}
#endif
return result;
}
