private Task ProcessSend(HttpContext context)
{
var connectionId = context.Request.Query["id"];
if (StringValues.IsNullOrEmpty(connectionId))
{
throw new InvalidOperationException("Missing connection id");
}
ConnectionState state;
if (_manager.TryGetConnection(connectionId, out state))
{
// If we received an HTTP POST for the connection id and it's not an HttpChannel then fail.
// You can't write to a TCP channel directly from here.
var httpChannel = state.Connection.Channel as HttpChannel;
if (httpChannel == null)
{
throw new InvalidOperationException("No channel");
}
return(context.Request.Body.CopyToAsync(httpChannel.Input));
}
throw new InvalidOperationException("Unknown connection id");
}
private async Task <DefaultConnectionContext> GetConnectionAsync(HttpContext context)
{
var connectionId = GetConnectionId(context);
if (StringValues.IsNullOrEmpty(connectionId))
{
// There's no connection ID: bad request
context.Response.StatusCode = StatusCodes.Status400BadRequest;
context.Response.ContentType = "text/plain";
await context.Response.WriteAsync("Connection ID required");
return(null);
}
if (!_manager.TryGetConnection(connectionId, out var connection))
{
// No connection with that ID: Not Found
context.Response.StatusCode = StatusCodes.Status404NotFound;
context.Response.ContentType = "text/plain";
await context.Response.WriteAsync("No Connection with that ID");
return(null);
}
return(connection);
}