public static async Task KillSession(long sessionId, byte[] sessionPassword, IObservable <ConnectionState> onConnectionStateChanged, string connectionString, TimeSpan timeout)
{
var zooKeeper = new ZooKeeperNetExClient(connectionString, 5000, null, sessionId, sessionPassword);
try
{
var budged = TimeBudget.StartNew(timeout);
var observer = new WaitStateObserver(ConnectionState.Expired);
onConnectionStateChanged.Subscribe(observer);
while (!budged.HasExpired)
{
if (zooKeeper.getState().Equals(ZooKeeperNetExClient.States.CONNECTED))
{
break;
}
Thread.Sleep(100);
}
await zooKeeper.closeAsync().ConfigureAwait(false);
if (await observer.Signal.Task.TryWaitAsync(budged.Remaining).ConfigureAwait(false))
{
return;
}
throw new TimeoutException($"Expected to kill session within {timeout}, but failed to do so.");
}
finally
{
await zooKeeper.closeAsync().ConfigureAwait(false);
}
}
public static void Dispose(this ZooKeeperNetExClient client)
{
try
{
client?.closeAsync().Wait();
}
catch (Exception)
{
// ignored
}
}