/// <summary>
/// Closes a listener.
/// </summary>
/// <param name="listener">The listener to close.</param>
/// <returns>An asynchronous task that returns no value.</returns>
private static Task AgentCloseListenerAsync(Listener listener)
{
var taskCompletionSource = new TaskCompletionSource <bool>();
var commandHandle = AddTaskCompletionSource(taskCompletionSource);
var result = IndyNativeMethods.indy_agent_close_listener(
commandHandle,
listener.Handle,
_noValueCallback
);
CheckResult(result);
return(taskCompletionSource.Task);
}
/// <summary>
/// Closes the listener.
/// </summary>
/// <remarks>
/// <para>When a listener is closed it stops listening for new incoming connections and
/// all incoming <see cref="AgentConnection"/> instances accepted by the listener are also
/// closed.
/// </para>
/// <para>Once closed a listener cannot be re-opened; a new listener instance must instead be
/// created using the <see cref="ListenAsync(string)"/> static method.
/// </para>
/// </remarks>
/// <returns>An asynchronous <see cref="Task"/> completes once the operation completes.</returns>
public Task CloseAsync()
{
_requiresClose = false;
var taskCompletionSource = new TaskCompletionSource <bool>();
var commandHandle = PendingCommands.Add(taskCompletionSource);
var result = IndyNativeMethods.indy_agent_close_listener(
commandHandle,
Handle,
CallbackHelper.TaskCompletingNoValueCallback
);
CallbackHelper.CheckResult(result);
GC.SuppressFinalize(this);
return(taskCompletionSource.Task);
}
/// <summary>
/// Closes the listener.
/// </summary>
/// <remarks>
/// <para>When a listener is closed it stops listening for new incoming connections and
/// all incoming <see cref="AgentConnection"/> instances accepted by the listener are also
/// closed.
/// </para>
/// <para>Once closed a listener cannot be re-opened; a new listener instance must instead be
/// created using the <see cref="ListenAsync(string)"/> static method.
/// </para>
/// </remarks>
/// <returns>An asynchronous <see cref="Task"/> completes once the operation completes.</returns>
public Task CloseAsync()
{
if (_closeRequested)
{
return(Task.FromResult(true));
}
var taskCompletionSource = new TaskCompletionSource <bool>();
var commandHandle = PendingCommands.Add(taskCompletionSource);
var result = IndyNativeMethods.indy_agent_close_listener(
commandHandle,
Handle,
CallbackHelper.TaskCompletingNoValueCallback
);
CallbackHelper.CheckResult(result);
_closeRequested = true;
GC.SuppressFinalize(this);
return(taskCompletionSource.Task);
}
