/// <summary>
/// Closes a connection.
/// </summary>
/// <param name="connection">The connection to close.</param>
/// <returns>An asynchronous task that returns no value.</returns>
private static Task AgentCloseConnectionAsync(Connection connection)
{
var taskCompletionSource = new TaskCompletionSource <bool>();
var commandHandle = AddTaskCompletionSource(taskCompletionSource);
var result = IndyNativeMethods.indy_agent_close_connection(
commandHandle,
connection.Handle,
_noValueCallback
);
CheckResult(result);
return(taskCompletionSource.Task);
}
/// <summary>
/// Closes the connection.
/// </summary>
/// <remarks>
/// Once closed a connection instance cannot be re-opened; a new connection instance must be
/// created.
/// </remarks>
/// <returns>An asynchronous <see cref="Task"/> completes once the operation completes.</returns>
public Task CloseAsync()
{
var taskCompletionSource = new TaskCompletionSource <bool>();
var commandHandle = PendingCommands.Add(taskCompletionSource);
var result = IndyNativeMethods.indy_agent_close_connection(
commandHandle,
Handle,
CallbackHelper.TaskCompletingNoValueCallback
);
CallbackHelper.CheckResult(result);
_closeRequested = true;
GC.SuppressFinalize(this);
return(taskCompletionSource.Task);
}
