void ConfigurationPersistenceManager::onConfigurationUpdated(const KaaRootConfiguration& configuration)
{
if (ignoreConfigurationUpdate_) {
ignoreConfigurationUpdate_ = false;
return;
}
KAA_LOG_INFO("Configuration updated.");
AvroByteArrayConverter<KaaRootConfiguration> converter;
SharedDataBuffer buffer = converter.toByteArray(configuration);
KAA_LOG_INFO(boost::format("Going to store configuration using configuration storage %1%") % storage_);
KAA_MUTEX_LOCKING("confPersistenceGuard_");
KAA_MUTEX_UNIQUE_DECLARE(confPersistenceGuardLock, confPersistenceGuard_);
KAA_MUTEX_LOCKED("confPersistenceGuard_");
if (storage_) {
storage_->saveConfiguration(std::vector<std::uint8_t>(buffer.first.get(), buffer.first.get() + buffer.second));
}
KAA_MUTEX_UNLOCKING("confPersistenceGuard_");
KAA_UNLOCK(confPersistenceGuardLock);
KAA_MUTEX_UNLOCKED("confPersistenceGuard_");
configurationHash_ = EndpointObjectHash(buffer);
KAA_LOG_INFO(boost::format("Calculated configuration hash: %1%") % LoggingUtils::ByteArrayToString(configurationHash_.getHashDigest()));
}
void ConfigurationManager::updateConfiguration(const std::uint8_t* data, const std::uint32_t dataSize)
{
static AvroByteArrayConverter<KaaRootConfiguration> converter;
converter.fromByteArray(data, dataSize, configuration_);
configurationHash_ = EndpointObjectHash(data, dataSize);
KAA_LOG_TRACE(boost::format("Calculated configuration hash: %1%") %
LoggingUtils::ByteArrayToString(configurationHash_.getHashDigest()));
}
HashDigest getPropertiesHash()
{
std::ostringstream ss;
ss << SDK_TOKEN;
ss << POLLING_PERIOD_SECONDS;
ss << CLIENT_PUB_KEY_LOCATION;
ss << CLIENT_PRIV_KEY_LOCATION;
ss << CLIENT_STATUS_FILE_LOCATION;
for (const auto& server : getBootstrapServers()) {
const auto& connectionInfo = server->getConnectionInfo();
ss.write(reinterpret_cast<const char*>(connectionInfo.data()), connectionInfo.size());
}
ss.write(reinterpret_cast<const char*>(
getDefaultConfigData().data()), getDefaultConfigData().size());
return EndpointObjectHash(ss.str()).getHashDigest();
}
void ConfigurationPersistenceManager::readStoredConfiguration()
{
if (state_->isSDKPropertiesUpdated()) {
KAA_LOG_INFO("Ignore loading configuration from storage: configuration version updated");
return;
}
auto hash = configurationHash_.getHashDigest();
if (hash.empty()) {
KAA_LOG_DEBUG("Going to read stored configuration.");
auto bytes = storage_->loadConfiguration();
if (!bytes.empty()) {
if (processor_) {
ignoreConfigurationUpdate_ = true;
processor_->processConfigurationData(bytes.data(), bytes.size(), true);
}
configurationHash_ = EndpointObjectHash(bytes.data(), bytes.size());
KAA_LOG_INFO(boost::format("Calculated configuration hash: %1%") % LoggingUtils::ByteArrayToString(configurationHash_.getHashDigest()));
}
}
}