private async Task HandleWebSocketContextAsync(WebSocket ws, HttpContext httpContext, IWebSocketHandler handler, CancellationToken cancellationToken)
{
CloseFunction closeFunction = () => ws.CloseAsync(WebSocketCloseStatus.NormalClosure, "Done", CancellationToken.None);
List <IMessageHandler> messageHandlers;
try
{
messageHandlers = handler.CreateHandlers(httpContext, closeFunction, (message) => WriteStringAsync(ws, messageWriter.GetString(message), cancellationToken));
}
catch (Exception e)
{
logger.Error(e, "Error occured while creating handlers for {0}", httpContext.Request.Path);
httpContext.Response.StatusCode = 500;
return;
}
while (ws.State == WebSocketState.Open && !cancellationToken.IsCancellationRequested)
{
string requestMessage = await webSocketHelper.ReadStringAsync(ws, Encoding.UTF8, cancellationToken);
if (requestMessage == null)
{
continue;
}
ProcessMessage(requestMessage, messageHandlers);
}
if (ws.State == WebSocketState.Open)
{
await closeFunction();
}
handler.Close(messageHandlers);
}
