public async Task Invoke(HttpContext context)
{
// Ensure Web-App is started
if (!exeHandler.Started)
{
exeHandler.Start();
}
if (!exeHandler.StartFailed)
{
// Create Source
var targetUri = BuildTargetUri(context.Request);
if (targetUri != null)
{
// Create Request for target & send it
var targetRequestMessage = CreateTargetMessage(context, targetUri);
Console.WriteLine(targetRequestMessage.Headers.ToString());
using (var responseMessage = await GetTargetResponse(context, targetRequestMessage))
{
context.Response.StatusCode = (int)responseMessage.StatusCode;
CopyFromTargetResponseHeaders(context, responseMessage);
await responseMessage.Content.CopyToAsync(context.Response.Body);
}
return;
}
}
else
{
throw new Exception("Start of WebApp Executable failed!");
}
await nextMiddleware(context);
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env, IApplicationLifetime applicationLifetime)
{
// Register Shutdown Event
applicationLifetime.ApplicationStopping.Register(OnShutdown);
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
// Configure & Start web app process handler
exeHandler = new ExecutableHandler(
config.GetValue <string>("appSettings:appProcessName"),
config.GetValue <string>("appSettings:appProcessArgs"),
config.GetValue <int>("appSettings:appProcessPort"),
ParseEnvConfig(config.GetValue <string>("appSettings:appProcessEnv")));
exeHandler.Start();
// Configure reverse proxy
app.UseReverseProxy(new ReverseProxyOptions {
BaseUrl = $"http://localhost:" + config.GetValue <int>("appSettings:appProcessPort"),
ExecutableHandler = exeHandler
});
}