/// <summary>
/// Starts broadcast
/// </summary>
/// <param name="webSocketHandler">websocket broadcast handler</param>
/// <param name="cachedProcessesProvider">Container of processes infromation</param>
public async Task InvokeAsync(IWebSocketHandler webSocketHandler, ICachedProcessesProvider cachedProcessesProvider, CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
await webSocketHandler.SendMessageToSubscribedAsync(JsonSerializer.Serialize(cachedProcessesProvider.GetProcesses()), cancellationToken);
await Task.Delay(1000);
}
}
public void Configure(IApplicationBuilder app, IHostApplicationLifetime hostApplicationLifetime, IWebSocketHandler websocketHandler, ICachedProcessesProvider processesProvider, IBroadcastService broadcast)
{
hostApplicationLifetime.ApplicationStopping.Register(OnShutdown);
Task.Run(() => processesProvider.InvokeAsync(tokenSource.Token));
Task.Run(() => broadcast.InvokeAsync(websocketHandler, processesProvider, tokenSource.Token));
app.UseDefaultFiles();
app.UseStaticFiles();
app.UseWebSockets();
app.MapWebSocketManager("/ws", tokenSource.Token);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="webSocketConnectionManager">Storage for sockets</param>
/// <param name="provider"> Provider to access processes information</param>
public WebSocketHandler(IConnectionManager webSocketConnectionManager, ICachedProcessesProvider provider)
{
_webSocketConnectionManager = webSocketConnectionManager;
_provider = provider;
}