void KaaChannelManager::onServerFailed(ITransportConnectionInfoPtr connectionInfo) {
if (isShutdown_) {
KAA_LOG_WARN("Can't update server. Channel manager is down");
return;
}
if (!connectionInfo) {
KAA_LOG_WARN("Failed to process server failure: bad input data")
throw KaaException("empty connection info pointer");
}
if (connectionInfo->isFailedState()) {
KAA_LOG_DEBUG("Connection already failed. Ignoring connection failover!");
return;
} else {
connectionInfo->setFailedState();
}
if (connectionInfo->getServerType() == ServerType::BOOTSTRAP) {
ITransportConnectionInfoPtr nextConnectionInfo = getNextBootstrapServer(connectionInfo->getTransportId(), false);
if (nextConnectionInfo) {
onTransportConnectionInfoUpdated(nextConnectionInfo);
} else {
FailoverStrategyDecision decision = failoverStrategy_->onFailover(Failover::BOOTSTRAP_SERVERS_NA);
switch (decision.getAction()) {
case FailoverStrategyAction::NOOP:
KAA_LOG_WARN("No operation is performed according to failover strategy decision.");
break;
case FailoverStrategyAction::RETRY:
{
std::size_t period = decision.getRetryPeriod();
KAA_LOG_WARN(boost::format("Attempt to reconnect to first bootstrap server will be made in %1% secs "
"according to failover strategy decision.") % period);
bsTransportId_ = connectionInfo->getTransportId();
retryTimer_.stop();
retryTimer_.start(period, [&]
{
onTransportConnectionInfoUpdated(getNextBootstrapServer(bsTransportId_, true));
});
break;
}
case FailoverStrategyAction::STOP_APP:
KAA_LOG_WARN("Stopping application according to failover strategy decision!");
exit(EXIT_FAILURE);
break;
default:
break;
}
}
} else {
bootstrapManager_.useNextOperationsServer(connectionInfo->getTransportId());
}
}
