Function decodeFailedServersKey

fdbclient/SystemData.cpp:887–895

const KeyRef failedServersPrefix = failedServersKeys.begin;
const KeyRef failedServersVersionKey = LiteralStringRef("\xff/conf/failed");
AddressExclusion decodeFailedServersKey(KeyRef const& key) {
	ASSERT(key.startsWith(failedServersPrefix));
	// Returns an invalid NetworkAddress if given an invalid key (within the prefix)
	// Excluded servers have IP in x.x.x.x format, port optional, and no SSL suffix
	// Returns a valid, public NetworkAddress with a port of 0 if the key represents an IP address alone (meaning all
	// ports) Returns a valid, public NetworkAddress with nonzero port if the key represents an IP:PORT combination

	return AddressExclusion::parse(key.removePrefix(failedServersPrefix));
}
std::string encodeFailedServersKey(AddressExclusion const& addr) {
	// FIXME: make sure what's persisted here is not affected by innocent changes elsewhere
	return failedServersPrefix.toString() + addr.toString();