/// <summary>sends IDLE command</summary>
/// <remarks>valid in authenticated/selected state</remarks>
public IAsyncResult BeginIdle(object keepIdleState, ImapKeepIdleCallback keepIdleCallback)
{
IdleTransaction t = null;
try {
RejectNonAuthenticatedState();
RejectIdling();
t = new IdleTransaction(connection, keepIdleState, keepIdleCallback);
var asyncResult = BeginProcessTransaction(t, handlesIncapableAsException);
// wait for IDLE started or respond tagged error response
t.WaitForIdleStateChanged();
return asyncResult;
}
catch {
if (t != null) {
t.Dispose();
t = null;
}
throw;
}
}
private ImapCommandResult IdleInternal(int idleMillisecondsTimeout, object keepIdleState, ImapKeepIdleCallback keepIdleCallback)
{
if (idleMillisecondsTimeout < -1)
throw new ArgumentOutOfRangeException("idleMillisecondsTimeout", idleMillisecondsTimeout, "must be greater than or equals to -1");
var idleAsyncResult = BeginIdle(keepIdleState, keepIdleCallback);
idleAsyncResult.AsyncWaitHandle.WaitOne(idleMillisecondsTimeout, false);
return EndIdle(idleAsyncResult);
}
public ImapCommandResult Idle(int idleMillisecondsTimeout, object state, ImapKeepIdleCallback keepIdleCallback)
{
if (keepIdleCallback == null)
throw new ArgumentNullException("keepIdleCallback");
return IdleInternal(idleMillisecondsTimeout, state, keepIdleCallback);
}
public ImapCommandResult Idle(TimeSpan idleTimeout, object state, ImapKeepIdleCallback keepIdleCallback)
{
return Idle((int)idleTimeout.TotalMilliseconds, state, keepIdleCallback);
}
public ImapCommandResult Idle(object state, ImapKeepIdleCallback keepIdleCallback)
{
return Idle(Timeout.Infinite, state, keepIdleCallback);
}
public IdleTransaction(ImapConnection connection, object keepIdleState, ImapKeepIdleCallback keepIdleCallback)
: base(connection)
{
this.keepIdleState = keepIdleState;
this.keepIdleCallback = keepIdleCallback;
}