public void SendNextPingRequest(Logging.IBasicLogger logger)
{
if (ping == null)
{
ping = new System.Net.NetworkInformation.Ping();
ping.PingCompleted += ping_PingCompleted;
}
lock (mutex)
{
pingCompleteEventArgs = null;
pingToReplyElapsedTime = TimeSpan.Zero;
currentUserToken = Token.SetToNow();
try
{
ping.SendAsync(IPAddress, responseTimeLimitInMSec, extraData, currentUserToken);
}
catch (System.Exception ex)
{
logger.Trace.Emit("{0} (SendAsync) generated unexpected exception: {1}", CurrentMethodName, ex.ToString(ExceptionFormat.TypeAndMessage));
}
}
}
private void ReleaseToken()
{
lock (mutex)
{
Token = currentUserToken;
currentUserToken = null;
pingCompleteEventArgs = null;
}
}
void AbortCurrentPingRequest()
{
lock (mutex)
{
currentUserToken = null;
}
try
{
if (ping != null)
{
ping.SendAsyncCancel();
}
}
catch
{}
Fcns.DisposeOfObject(ref ping);
}
