/// <summary>
/// Attempt to open a new event channel from the specified HTTP listener context.
/// </summary>
/// <param name="listenerContext">
/// HTTP listener context.
/// </param>
/// <param name="openedAction">
/// Action to perform when web socket is opened.
/// Will never be called if web channel can't be opened.
/// </param>
/// <param name="closedAction">
/// Action to perform when web socket is closed.
/// Will never be called if web channel can't be opened.
/// </param>
/// <remarks>
/// If <paramref name="listenerContext"/> does not represent a web socket request, or if
/// web socket channel could not be established, an appropriate status code will be
/// returned via <paramref name="listenerContext"/>'s Response property.
/// </remarks>
public static async void TryOpenAsync(
HttpListenerContext listenerContext, Action<WebSocketEventChannel> openedAction, Action<WebSocketEventChannel> closedAction)
{
var socketContext = await HandleWebSocketRequestAsync(listenerContext);
if (socketContext != null)
{
var channel = new WebSocketEventChannel(socketContext, closedChannel => closedAction(closedChannel as WebSocketEventChannel));
openedAction(channel);
}
}
/// <summary>
/// Attempt to open a new event channel from the specified HTTP listener context.
/// </summary>
/// <param name="listenerContext">
/// HTTP listener context.
/// </param>
/// <param name="openedAction">
/// Action to perform when web socket is opened.
/// Will never be called if web channel can't be opened.
/// </param>
/// <param name="closedAction">
/// Action to perform when web socket is closed.
/// Will never be called if web channel can't be opened.
/// </param>
/// <remarks>
/// If <paramref name="listenerContext"/> does not represent a web socket request, or if
/// web socket channel could not be established, an appropriate status code will be
/// returned via <paramref name="listenerContext"/>'s Response property.
/// </remarks>
public static async void TryOpenAsync(
HttpListenerContext listenerContext, Action <WebSocketEventChannel> openedAction, Action <WebSocketEventChannel> closedAction)
{
var socketContext = await HandleWebSocketRequestAsync(listenerContext);
if (socketContext != null)
{
var channel = new WebSocketEventChannel(socketContext, closedChannel => closedAction(closedChannel as WebSocketEventChannel));
openedAction(channel);
}
}
/// <summary>
/// Safely makes a copy of the list of stream channels.
/// </summary>
/// <returns>Array containing the stream channels.</returns>
public static IEnumerable<WebSocketEventChannel> SafeCopy(this List<WebSocketEventChannel> list)
{
var channels = new WebSocketEventChannel[list.Count];
list.CopyTo(channels);
return channels;
}
