public static IApplicationBuilder MapReverseProxyWithQueueDelegation(this IApplicationBuilder app)
{
IServerDelegationFeature delegationFeature = app.ServerFeatures.Get <IServerDelegationFeature>();
if (delegationFeature == null)
{
throw new NotSupportedException($"The {nameof(IServerDelegationFeature)} is not supported by the current OS.");
}
var delegationRuleProvider = new QueueDelegationRuleProvider(
delegationFeature,
app.ApplicationServices.GetRequiredService <IProxyConfigProvider>(),
app.ApplicationServices.GetRequiredService <ILogger <QueueDelegationRuleProvider> >());
app.ApplicationServices.GetRequiredService <IHostApplicationLifetime>().ApplicationStopped.Register(() => delegationRuleProvider.Dispose());
app.UseRouting();
app.UseEndpoints(endpoints =>
{
endpoints.MapReverseProxy(proxyPipeline =>
{
proxyPipeline.UseMiddleware <QueueDelegationMiddleware>(delegationRuleProvider);
});
});
return(app);
}
public QueueDelegationMiddleware(
RequestDelegate next,
ILogger <QueueDelegationMiddleware> logger,
QueueDelegationRuleProvider delegationRuleProvider)
{
this.next = next;
this.logger = logger;
this.delegationRuleProvider = delegationRuleProvider;
}