/// <summary>
/// Configures logging to a user-defined function.
///
/// This function can be used to get notified whenever the Yogi library itself
/// or the user produces log messages. These messages can then be processed
/// further in user code.
/// </summary>
/// <param name="verbosity">Maximum verbosity of messages to log.</param>
/// <param name="fn">Callback function.</param>
public static void ConfigureHookLogging(Verbosity verbosity, LogToHookFnDelegate fn)
{
lock (logToHookFnLock)
{
YogiCore.ConfigureHookLoggingFnDelegate wrapper;
if (fn == null)
{
wrapper = null;
}
else
{
wrapper = (severity, timestamp, tid, file, line, comp, msg, userarg) =>
{
var ts = Timestamp.FromDurationSinceEpoch(Duration.FromNanoseconds(timestamp));
fn((Verbosity)severity, ts, tid, file, line, comp, msg);
};
}
int res = YogiCore.YOGI_ConfigureHookLogging((int)verbosity, wrapper, IntPtr.Zero);
logToHookFn = null;
CheckErrorCode(res);
logToHookFn = wrapper; // Make sure it does not get garbage-collected
}
}
/// <summary>
/// Configures logging to a user-defined function.
///
/// This function can be used to get notified whenever the Yogi library itself
/// or the user produces log messages. These messages can then be processed
/// further in user code.
/// </summary>
/// <param name="verbosity">Maximum verbosity of messages to log.</param>
/// <param name="fn">Callback function.</param>
public static void SetupHookLogging(Verbosity verbosity, [Optional] LogToHookFnDelegate fn)
{
lock (logToHookFnLock)
{
Api.LogToHookFnDelegate wrapper =
(severity, timestamp, tid, file, line, comp, msg, userarg) =>
{
var ts = Timestamp.FromDurationSinceEpoch(Duration.FromNanoseconds(timestamp));
fn(severity, ts, tid, file, line, comp, msg);
};
int res = Api.YOGI_ConfigureHookLogging((int)verbosity, wrapper, IntPtr.Zero);
logToHookFn = null;
CheckErrorCode(res);
logToHookFn = wrapper; // Make sure it does not get GC'd
}
}
