/// <summary>
/// Registers Ocelot with a combination of default middlewares and optional middlewares in the configuration
/// </summary>
/// <param name="builder"></param>
/// <param name="pipelineConfiguration"></param>
/// <returns></returns>
public static async Task <IApplicationBuilder> UseOcelot(this IApplicationBuilder builder, OcelotPipelineConfiguration pipelineConfiguration)
{
var configuration = await CreateConfiguration(builder);
CreateAdministrationArea(builder, configuration);
if (UsingRafty(builder))
{
SetUpRafty(builder);
}
ConfigureDiagnosticListener(builder);
var pipelineBuilder = new OcelotPipelineBuilder(builder.ApplicationServices);
pipelineBuilder.BuildOcelotPipeline(pipelineConfiguration);
var firstDelegate = pipelineBuilder.Build();
//inject first delegate into first piece of asp.net middleware..maybe not like this
//then because we are updating the http context in ocelot it comes out correct for
//rest of asp.net..
builder.Use(async(context, task) =>
{
var downstreamContext = new DownstreamContext(context);
await firstDelegate.Invoke(downstreamContext);
});
return(builder);
}
private static IApplicationBuilder CreateOcelotPipeline(IApplicationBuilder builder, OcelotPipelineConfiguration pipelineConfiguration)
{
var pipelineBuilder = new OcelotPipelineBuilder(builder.ApplicationServices);
//pipelineBuilder.BuildOcelotPipeline(pipelineConfiguration);
//使用自定义管道扩展 2018-11-15 金焰的世界
pipelineBuilder.BuildAhphOcelotPipeline(pipelineConfiguration);
var firstDelegate = pipelineBuilder.Build();
/*
* inject first delegate into first piece of asp.net middleware..maybe not like this
* then because we are updating the http context in ocelot it comes out correct for
* rest of asp.net..
*/
builder.Properties["analysis.NextMiddlewareName"] = "TransitionToOcelotMiddleware";
builder.Use(async(context, task) =>
{
var downstreamContext = new DownstreamContext(context);
await firstDelegate.Invoke(downstreamContext);
});
return(builder);
}
private void WhenIUseAGeneric()
{
var provider = _services.BuildServiceProvider();
IOcelotPipelineBuilder builder = new OcelotPipelineBuilder(provider);
builder = builder.UseMiddleware <Ocelot.Errors.Middleware.ExceptionHandlerMiddleware>();
var del = builder.Build();
_downstreamContext = new DownstreamContext(new DefaultHttpContext());
del.Invoke(_downstreamContext);
}
public void Middleware_Multi_Parameters_Invoke()
{
var provider = _services.BuildServiceProvider();
IOcelotPipelineBuilder builder = new OcelotPipelineBuilder(provider);
builder = builder.UseMiddleware <MultiParametersInvokeMiddleware>();
var del = builder.Build();
_downstreamContext = new DownstreamContext(new DefaultHttpContext());
del.Invoke(_downstreamContext);
}
private void GivenTheDepedenciesAreSetUp()
{
IConfigurationBuilder test = new ConfigurationBuilder();
var root = test.Build();
var services = new ServiceCollection();
services.AddSingleton <IConfiguration>(root);
services.AddOcelot();
var provider = services.BuildServiceProvider();
_builder = new OcelotPipelineBuilder(provider);
}
private static IApplicationBuilder CreateOcelotPipeline(IApplicationBuilder builder, OcelotPipelineConfiguration pipelineConfiguration)
{
OcelotPipelineBuilder ocelotPipelineBuilder = new OcelotPipelineBuilder(builder.ApplicationServices);
ocelotPipelineBuilder.BuildOcelotPipeline(pipelineConfiguration);
OcelotRequestDelegate firstDelegate = ocelotPipelineBuilder.Build();
builder.Properties["analysis.NextMiddlewareName"] = "TransitionToOcelotMiddleware";
builder.Use(async delegate(HttpContext context, Func <Task> task)
{
DownstreamContext downstreamContext = new DownstreamContext(context);
await firstDelegate(downstreamContext);
});
return(builder);
}
private static IApplicationBuilder CreateOcelotPipeline(IApplicationBuilder builder, OcelotPipelineConfiguration pipelineConfiguration)
{
var pipelineBuilder = new OcelotPipelineBuilder(builder.ApplicationServices);
pipelineBuilder.BuildOcelotPipeline(pipelineConfiguration);
var firstDelegate = pipelineBuilder.Build();
builder.Properties["analysis.NextMiddlewareName"] = "TransitionToOcelotMiddleware";
builder.Use(async(context, task) =>
{
var downstreamContext = new DownstreamContext(context);
await firstDelegate.Invoke(downstreamContext);
});
return(builder);
}
private void WhenIUseAFunc()
{
_counter = 0;
var provider = _services.BuildServiceProvider();
IOcelotPipelineBuilder builder = new OcelotPipelineBuilder(provider);
builder = builder.Use(async(ctx, next) =>
{
_counter++;
await next.Invoke();
});
var del = builder.Build();
_downstreamContext = new DownstreamContext(new DefaultHttpContext());
del.Invoke(_downstreamContext);
}
public static async Task <IApplicationBuilder> UseOcelot(this IApplicationBuilder app, Action <IOcelotPipelineBuilder, OcelotPipelineConfiguration> builderAction, OcelotPipelineConfiguration configuration)
{
await CreateConfiguration(app);
ConfigureDiagnosticListener(app);
OcelotPipelineBuilder ocelotPipelineBuilder = new OcelotPipelineBuilder(app.ApplicationServices);
builderAction?.Invoke(ocelotPipelineBuilder, configuration ?? new OcelotPipelineConfiguration());
OcelotRequestDelegate ocelotDelegate = ocelotPipelineBuilder.Build();
app.Properties["analysis.NextMiddlewareName"] = "TransitionToOcelotMiddleware";
app.Use(async delegate(HttpContext context, Func <Task> task)
{
DownstreamContext downstreamContext = new DownstreamContext(context);
await ocelotDelegate(downstreamContext);
});
return(app);
}
private void GivenTheDepedenciesAreSetUp()
{
IConfigurationBuilder test = new ConfigurationBuilder();
var root = test.Build();
var services = new ServiceCollection();
services.AddSingleton <IConfiguration>(root);
services.AddDiscoveryClient(new DiscoveryOptions
{
ClientType = DiscoveryClientType.EUREKA,
ClientOptions = new EurekaClientOptions()
{
ShouldFetchRegistry = false,
ShouldRegisterWithEureka = false
}
});
services.AddOcelot();
var provider = services.BuildServiceProvider();
_builder = new OcelotPipelineBuilder(provider);
}
public static async Task <IApplicationBuilder> UseOcelot(this IApplicationBuilder builder, OcelotPipelineConfiguration pipelineConfiguration)
{
var configuration = await CreateConfiguration(builder);
CreateAdministrationArea(builder, configuration);
if (UsingRafty(builder))
{
SetUpRafty(builder);
}
if (UsingEurekaServiceDiscoveryProvider(configuration))
{
builder.UseDiscoveryClient();
}
ConfigureDiagnosticListener(builder);
var pipelineBuilder = new OcelotPipelineBuilder(builder.ApplicationServices);
pipelineBuilder.BuildOcelotPipeline(pipelineConfiguration);
var firstDelegate = pipelineBuilder.Build();
/*
* inject first delegate into first piece of asp.net middleware..maybe not like this
* then because we are updating the http context in ocelot it comes out correct for
* rest of asp.net..
*/
builder.Properties["analysis.NextMiddlewareName"] = "TransitionToOcelotMiddleware";
builder.Use(async(context, task) =>
{
var downstreamContext = new DownstreamContext(context);
await firstDelegate.Invoke(downstreamContext);
});
return(builder);
}
public static async Task <IApplicationBuilder> UseOcelot(this IApplicationBuilder app, Action <IOcelotPipelineBuilder, OcelotPipelineConfiguration> builderAction, OcelotPipelineConfiguration configuration)
{
var internalConfiguration = await CreateConfiguration(app); // initConfiguration
ConfigureDiagnosticListener(app);
var ocelotPipelineBuilder = new OcelotPipelineBuilder(app.ApplicationServices);
builderAction?.Invoke(ocelotPipelineBuilder, configuration ?? new OcelotPipelineConfiguration());
var ocelotDelegate = ocelotPipelineBuilder.Build();
app.Properties["analysis.NextMiddlewareName"] = "TransitionToOcelotMiddleware";
app.Use(async(context, task) =>
{
var downstreamContext = new DownstreamContext(context);
await ocelotDelegate.Invoke(downstreamContext);
});
return(app);
}
