/// <summary>
/// Start listening for incoming connections.
/// </summary>
/// <param name="backlog">Indicates the number of connections the kernel might queue.</param>
/// <param name="callback">Callback to be called when a new incoming connection is received.</param>
/// <param name="state">State to be passed to the callback.</param>
public void Listen(int backlog, ListenCallbackDelegate callback, object state = null)
{
this.EnsureCallingThread();
if (this._ListenVitality.IsAllocated)
{
throw new InvalidOperationException("Listen may not be called more than once.");
}
try
{
this._UserListenCallback = callback;
this._UserListenState = state;
this._ListenVitality = GCHandle.Alloc(this, GCHandleType.Normal);
Libuv.EnsureSuccess(Libuv.uv_listen(this, backlog, _UvListenCallback));
}
catch
{
this._UserListenCallback = null;
this._UserListenState = null;
if (this._ListenVitality.IsAllocated)
{
this._ListenVitality.Free();
}
throw;
}
}