// start a device initiated bootstrap
static void prv_requestBootstrap(lwm2m_context_t * context,
lwm2m_server_t * bootstrapServer)
{
char query[PRV_QUERY_BUFFER_LENGTH];
int query_length = 0;
int res;
LOG("Entering");
query_length = utils_stringCopy(query, PRV_QUERY_BUFFER_LENGTH, QUERY_STARTER QUERY_NAME);
if (query_length < 0)
{
bootstrapServer->status = STATE_BS_FAILING;
return;
}
res = utils_stringCopy(query + query_length, PRV_QUERY_BUFFER_LENGTH - query_length, context->endpointName);
if (res < 0)
{
bootstrapServer->status = STATE_BS_FAILING;
return;
}
query_length += res;
if (bootstrapServer->sessionH == NULL)
{
bootstrapServer->sessionH = lwm2m_connect_server(bootstrapServer->secObjInstID, context->userData);
}
if (bootstrapServer->sessionH != NULL)
{
lwm2m_transaction_t * transaction = NULL;
LOG("Bootstrap server connection opened");
transaction = transaction_new(bootstrapServer->sessionH, COAP_POST, NULL, NULL, context->nextMID++, 4, NULL);
if (transaction == NULL)
{
bootstrapServer->status = STATE_BS_FAILING;
return;
}
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 *)bootstrapServer;
context->transactionList = (lwm2m_transaction_t *)LWM2M_LIST_ADD(context->transactionList, transaction);
if (transaction_send(context, transaction) == 0)
{
LOG("CI bootstrap requested to BS server");
bootstrapServer->status = STATE_BS_INITIATED;
}
}
else
{
LOG("Connecting bootstrap server failed");
bootstrapServer->status = STATE_BS_FAILED;
}
}
// send the registration for a single server
static uint8_t prv_register(lwm2m_context_t * contextP,
lwm2m_server_t * server)
{
char query[200];
int query_length;
uint8_t payload[512];
int payload_length;
lwm2m_transaction_t * transaction;
payload_length = object_getRegisterPayload(contextP, payload, sizeof(payload));
if (payload_length == 0) return COAP_500_INTERNAL_SERVER_ERROR;
query_length = prv_getRegistrationQuery(contextP, server, query, sizeof(query));
if (query_length == 0) return COAP_500_INTERNAL_SERVER_ERROR;
#if !defined(COAP_TCP)
if (0 != server->lifetime)
{
int res;
res = utils_stringCopy(query + query_length, PRV_QUERY_BUFFER_LENGTH - query_length, QUERY_DELIMITER QUERY_LIFETIME);
if (res < 0) return COAP_500_INTERNAL_SERVER_ERROR;
query_length += res;
res = utils_intCopy(query + query_length, PRV_QUERY_BUFFER_LENGTH - query_length, server->lifetime);
if (res < 0) return COAP_500_INTERNAL_SERVER_ERROR;
query_length += res;
}
#endif
if (server->sessionH == NULL)
{
server->sessionH = lwm2m_connect_server(server->secObjInstID, contextP->userData);
}
if (NULL == server->sessionH) return COAP_503_SERVICE_UNAVAILABLE;
transaction = transaction_new(COAP_TYPE_CON, COAP_POST, NULL, NULL, contextP->nextMID++, 4, NULL, ENDPOINT_SERVER, (void *)server);
if (transaction == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
coap_set_header_uri_path(transaction->message, "/"URI_REGISTRATION_SEGMENT);
coap_set_header_uri_query(transaction->message, query);
coap_set_header_content_type(transaction->message, LWM2M_CONTENT_LINK);
coap_set_payload(transaction->message, payload, payload_length);
transaction->callback = prv_handleRegistrationReply;
transaction->userData = (void *) server;
contextP->transactionList = (lwm2m_transaction_t *)LWM2M_LIST_ADD(contextP->transactionList, transaction);
if (transaction_send(contextP, transaction) != 0) return COAP_500_INTERNAL_SERVER_ERROR;
server->status = STATE_REG_PENDING;
return COAP_NO_ERROR;
}
/*
* Reset the bootstrap servers statuses
*
* TODO: handle LWM2M Servers the client is registered to ?
*
*/
void bootstrap_start(lwm2m_context_t * contextP)
{
lwm2m_server_t * targetP;
LOG("Entering");
targetP = contextP->bootstrapServerList;
while (targetP != NULL)
{
targetP->status = STATE_DEREGISTERED;
if (targetP->sessionH == NULL)
{
targetP->sessionH = lwm2m_connect_server(targetP->secObjInstID, contextP->userData);
}
targetP = targetP->next;
}
}