public void only_cache_up_to_the_setting_limit()
{
var settings = new DiagnosticsSettings {
MaxRequests = 10
};
var cache = new RequestHistoryCache(settings);
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.RecentReports().Count().ShouldEqual(9);
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.Store(new RequestLog());
cache.RecentReports().Count().ShouldEqual(settings.MaxRequests);
}
public void only_keeps_50_records()
{
var history = new RequestHistoryCache();
for (int i = 0; i < 60; i++)
{
history.AddReport(new DebugReport());
}
history.RecentReports().ShouldHaveCount(50);
}
public void keep_the_newest_reports()
{
var history = new RequestHistoryCache();
for (int i = 0; i < 50; i++)
{
history.AddReport(new DebugReport());
}
var report1 = new DebugReport();
var report2 = new DebugReport();
var report3 = new DebugReport();
history.AddReport(report1);
history.AddReport(report2);
history.AddReport(report3);
history.RecentReports().Take(3).ShouldHaveTheSameElementsAs(report3, report2, report1);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, SameNodeCache sameNodeList, RequestHistoryCache requestHistoryList)
{
// Enable Request.Body read several times from middleware and controllers
//
app.Use(async(context, next) => {
context.Request.EnableBuffering();
await next();
});
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
app.UseHsts();
}
// API Authentication
//
app.ConfigureApiAuthenticationHandler();
// Same Node handler
// Always define it before any other middleware that needs the selected "NodeHost".
//
var roundRobin = new RoundRobin(nodes);
app.ConfigureSameNodeHandler(sameNodeList, roundRobin);
// Tracks requests in temporary memory
//
app.ConfigureRequestHistoryTracker(requestHistoryList);
// Proxy of WebSocket connections
//
app.UseWebSockets();
app.UseWhen(
context => context.WebSockets.IsWebSocketRequest,
appInner =>
{
appInner.UseWebSocketProxy(
context =>
{
return(new Uri("ws://" + context.Items["NodeHost"] + ":9944/"));
},
options => options.AddXForwardedHeaders());
});
// Proxy of HTTP connections
//
app.UseWhen(
context => !context.WebSockets.IsWebSocketRequest,
appInner => appInner.RunProxy(async contextInner =>
{
var response = await
contextInner
.ForwardTo("http://" + contextInner.Items["NodeHost"] + ":9933/")
.CopyXForwardedHeaders()
.AddXForwardedHeaders()
.Send();
if (!response.IsSuccessStatusCode)
{
Console.WriteLine("### Exception: " + response.StatusCode.ToString());
}
return(response);
}));
}
