private async System.Threading.Tasks.Task ProcessRequestAsync(System.Net.HttpListenerContext HttpListenerContext, System.Threading.CancellationToken CancellationToken = default)
{
System.Net.WebSockets.WebSocketContext WebSocketContext = null;
try
{
WebSocketContext = await HttpListenerContext.AcceptWebSocketAsync(null);
}
catch
{
HttpListenerContext.Response.StatusCode = 500;
HttpListenerContext.Response.Close();
return;
}
SoftmakeAll.SDK.Communication.ServerWebSocket.ConnectionProperties ConnectionProperties = new SoftmakeAll.SDK.Communication.ServerWebSocket.ConnectionProperties(WebSocketContext);
lock (this.SyncRoot)
this.ActiveConnections.Add(ConnectionProperties.ConnectionID, ConnectionProperties);
this.ClientConnected?.Invoke(ConnectionProperties.ConnectionID);
const System.Int16 BufferSize = 512;
System.Net.WebSockets.WebSocketReceiveResult Result;
do
{
System.Collections.Generic.IEnumerable <System.Byte> Data = new System.Byte[] { };
do
{
System.Byte[] Buffer = new System.Byte[BufferSize];
Result = await WebSocketContext.WebSocket.ReceiveAsync(new System.ArraySegment <System.Byte>(Buffer), CancellationToken);
if (Result.MessageType == System.Net.WebSockets.WebSocketMessageType.Text)
{
Data = Data.Concat(Buffer);
}
}while (!(Result.EndOfMessage));
if ((Result.MessageType == System.Net.WebSockets.WebSocketMessageType.Text) && (this.ReceiveMessageFunc != null))
{
await this.ReplyAsync(ConnectionProperties, System.Text.Encoding.UTF8.GetString(Data.SkipLast(BufferSize - Result.Count).ToArray()), CancellationToken);
}
else if (Result.MessageType == System.Net.WebSockets.WebSocketMessageType.Close)
{
await this.DropConnectionAsync(ConnectionProperties, true, CancellationToken);
}
}while (WebSocketContext.WebSocket.State == System.Net.WebSockets.WebSocketState.Open);
}
private async void AcceptConnection(IAsyncResult ar)
{
System.Net.WebSockets.WebSocketContext context = null;
try
{
HttpListenerContext listenerContext = ((HttpListener)ar.AsyncState).EndGetContext(ar);
if (listenerContext.Request.IsWebSocketRequest)
{
try
{
context = await listenerContext.AcceptWebSocketAsync(subProtocol : null);
}
catch (Exception ex)
{
listenerContext.Response.StatusCode = 500;
listenerContext.Response.Close();
Diagnostic.DiagnosticCenter.Instance.Log?.LogException <Exception>(ex);
}
}
else
{
listenerContext.Response.StatusCode = 400;
listenerContext.Response.Close();
}
}
catch (Exception ex)
{
Diagnostic.DiagnosticCenter.Instance.Log?.LogException <Exception>(ex);
}
finally
{
httpListener?.BeginGetContext(new AsyncCallback(AcceptConnection), httpListener);
}
if (context != null)
{
CollectSocket(context.WebSocket);
}
}
/// <summary>
/// Gets the session.
/// </summary>
/// <param name="context">The context.</param>
/// <returns>An object that represents the current content of an http session</returns>
#if NET47
public SessionInfo GetSession(System.Net.WebSockets.WebSocketContext context)
/// <summary>
/// Gets the session.
/// </summary>
/// <param name="server">The server.</param>
/// <param name="context">The context.</param>
/// <returns>A session info for the given websocket context</returns>
#if NET47
public static SessionInfo GetSession(this WebServer server, System.Net.WebSockets.WebSocketContext context)
public ConnectionProperties(System.Net.WebSockets.WebSocketContext WebSocketContext)
{
this.WebSocketContext = WebSocketContext;
this.LastPingTime = System.DateTimeOffset.UtcNow;
}
