private void LogCallback(IntPtr rk, int level, string fac, string buf)
{
var name = Util.Marshal.PtrToStringUTF8(LibRdKafka.name(rk));
if (OnLog == null)
{
// Log to stderr by default if no logger is specified.
Loggers.ConsoleLogger(this, new LogMessage(name, level, fac, buf));
return;
}
OnLog.Invoke(this, new LogMessage(name, level, fac, buf));
}
internal void Init(RdKafkaType type, IntPtr config, Config.LogCallback logger)
{
ErrorDelegate = (IntPtr rk, ErrorCode err, string reason, IntPtr opaque) =>
{
OnError?.Invoke(this, new ErrorArgs()
{
ErrorCode = err,
Reason = reason
});
};
LibRdKafka.conf_set_error_cb(config, ErrorDelegate);
if (logger == null)
{
logger = ((string handle, int level, string fac, string buf) =>
{
var now = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");
Console.WriteLine($"{level}|{now}|{handle}|{fac}| {buf}");
});
}
LogDelegate = (IntPtr rk, int level, string fac, string buf) =>
{
// The log_cb is called very early during construction, before
// SafeKafkaHandle or any of the C# wrappers are ready.
// So we can't really pass rk on, just pass the rk name instead.
var name = Marshal.PtrToStringAnsi(LibRdKafka.name(rk));
logger(name, level, fac, buf);
};
LibRdKafka.conf_set_log_cb(config, LogDelegate);
StatsDelegate = (IntPtr rk, IntPtr json, UIntPtr json_len, IntPtr opaque) =>
{
OnStatistics?.Invoke(this, Marshal.PtrToStringAnsi(json));
return(0);
};
LibRdKafka.conf_set_stats_cb(config, StatsDelegate);
handle = SafeKafkaHandle.Create(type, config);
callbackCts = new CancellationTokenSource();
callbackTask = StartCallbackTask(callbackCts.Token);
}
