static DefaultChannelId()
{
int processId = -1;
string customProcessId = SystemPropertyUtil.Get("io.netty.processId");
if (customProcessId is object)
{
if (!int.TryParse(customProcessId, out processId))
{
processId = -1;
}
if (processId < 0 || processId > MaxProcessId)
{
processId = -1;
Logger.Warn("-Dio.netty.processId: {} (malformed)", customProcessId);
}
else if (Logger.DebugEnabled)
{
Logger.Debug("-Dio.netty.processId: {} (user-set)", processId);
}
}
if (processId < 0)
{
processId = DefaultProcessId();
if (Logger.DebugEnabled)
{
Logger.Debug("-Dio.netty.processId: {} (auto-detected)", processId);
}
}
ProcessId = processId;
byte[] machineId = null;
string customMachineId = SystemPropertyUtil.Get("io.netty.machineId");
if (customMachineId is object)
{
if (MachineIdPattern.Match(customMachineId).Success)
{
machineId = ParseMachineId(customMachineId);
if (Logger.DebugEnabled)
{
Logger.Debug("-Dio.netty.machineId: {} (user-set)", customMachineId);
}
}
else
{
Logger.Warn("-Dio.netty.machineId: {} (malformed)", customMachineId);
}
}
if (machineId is null)
{
machineId = DefaultMachineId();
if (Logger.DebugEnabled)
{
Logger.Debug("-Dio.netty.machineId: {} (auto-detected)", MacAddressUtil.FormatAddress(machineId));
}
}
MachineId = machineId;
}
static byte[] DefaultMachineId()
{
byte[] bestMacAddr = MacAddressUtil.GetBestAvailableMac();
if (bestMacAddr == null)
{
bestMacAddr = new byte[MacAddressUtil.MacAddressLength];
ThreadLocalRandom.Value.NextBytes(bestMacAddr);
Logger.Warn(
"Failed to find a usable hardware address from the network interfaces; using random bytes: {}",
MacAddressUtil.FormatAddress(bestMacAddr));
}
return(bestMacAddr);
}