/// <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)
{
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);
}
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);
}
private static IApplicationBuilder CreateOcelotPipeline(IApplicationBuilder builder, OcelotPipelineConfiguration pipelineConfiguration)
{
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);
}
private void WhenIBuild()
{
_handlers = _builder.BuildOcelotPipeline(new OcelotPipelineConfiguration());
}