public static IServiceCollection AddGracefullShutdown(this IServiceCollection services)
{
var state = new GracefullShutdownState();
services.AddSingleton(state);
services.AddSingleton <IRequestsCountProvider>(state);
var options = new GracefullShutdownOptions();
services.AddSingleton(options);
return(services);
}
public GracefullShutdownMiddleware(
RequestDelegate next,
GracefullShutdownOptions options,
IApplicationLifetime applicationLifetime,
ILogger <GracefullShutdownMiddleware> logger,
GracefullShutdownState state
)
{
if (applicationLifetime == null)
{
throw new ArgumentNullException(nameof(applicationLifetime));
}
_next = next ?? throw new ArgumentNullException(nameof(next));
_options = options ?? throw new ArgumentNullException(nameof(options));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_state = state ?? throw new ArgumentNullException(nameof(state));
applicationLifetime.ApplicationStopping.Register(OnApplicationStopping);
}