Пример #1
0
        public bool LoadOrUpdateInlineAssembly(InlineModuleManifestEntry inlineEntry, string code, out List <string> errorList)
        {
            errorList = null;

            var existingPluginAssembly = this.PluginAssemblies.FirstOrDefault(p => p.InlineEntryId != null &&
                                                                              p.InlineEntryId.Equals(inlineEntry.Id, StringComparison.Ordinal) && p.IsInline);

            if (existingPluginAssembly != null)
            {
                var existingAsmCtx = AssemblyLoadContext.GetLoadContext(existingPluginAssembly.Assembly);
                // unload existing PluginAssembly
                existingPluginAssembly.Unload();

                this._pluginAssemblies.Remove(existingPluginAssembly);

                Instance.CompileCodeIntoAssemblyContext(inlineEntry, code);

                // if (!ParsePluginAssembly(newAssembly, out var pluginInfoList, out errorList, checkForConflict: false))
                // {
                //     return false;
                // }

                //existingPluginAssembly.UpdatePluginList(pluginInfoList);
                //SessionLog.Info($"Assembly {existingPluginAssembly.Assembly.FullName} updated");
            }
            else
            {
                // new?
                Instance.CompileCodeIntoAssemblyContext(inlineEntry, code);
            }



            // TODO: Perhaps this can be optimised to run only on apps that are affected by plugin change
            ServerMethodManager.RebuildCacheForAllApps();


            return(true);
        }
Пример #2
0
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory, IHostApplicationLifetime applicationLifetime)
        {
            //app.UseDeveloperExceptionPage();

            // force instantiation on singletons

            {
                var pmInst = app.ApplicationServices.GetService <PluginLoader>();

                CommonNotificationThread.Instance = app.ApplicationServices.GetService <CommonNotificationThread>();

                BackgroundThreadPluginManager.Instance = app.ApplicationServices.GetService <BackgroundThreadPluginManager>();
                WorkerMonitor.Instance         = app.ApplicationServices.GetService <WorkerMonitor>();
                RealtimeMonitor.Instance       = app.ApplicationServices.GetService <RealtimeMonitor>();
                BackgroundTaskMonitor.Instance = app.ApplicationServices.GetService <BackgroundTaskMonitor>();

                ConnectionStringSecurity.Instance = app.ApplicationServices.GetService <ConnectionStringSecurity>();

                DotNetCoreCounterListener.Instance = app.ApplicationServices.GetService <DotNetCoreCounterListener>();
                DotNetCoreCounterListener.Instance.Start();


                {// More app startup stuff...but have a dependency on the singleton objects above. Can we move this somewhere else?
                    Log.Information("Initialising project object model");
                    // we can only initialise the Project structure once ConnectionStringSecurity exists
                    Settings.SettingsInstance.Instance.ProjectList.ForEach(p => p.AfterDeserializationInit());

                    Log.Information("Initialising plugin loader");
                    PluginLoader.Instance = pmInst;
                    PluginLoader.Instance.InitAsync().GetAwaiter().GetResult();

                    ServerMethodManager.RebuildCacheForAllApps();

                    Log.Information("Starting work spawner.");
                    WorkSpawner.Start();
                }
            }

            applicationLifetime.ApplicationStopped.Register(() =>
            {
                Log.Information("Application stopped");
            });

            applicationLifetime.ApplicationStopping.Register(() =>
            {
                Log.Information("Application is shutting down");
            });


            // app.Use(async (httpContext, next) =>
            // {
            //     //if (httpContext.Request.Path.Value.Contains("api/") && httpContext.Request.Method == "OPTIONS")
            //     if (httpContext.Request.Method.Equals("OPTIONS", StringComparison.OrdinalIgnoreCase))
            //     {
            //         httpContext.Response.Headers.Add("Access-Control-Max-Age", "600");
            //        // return;
            //     }
            //     await next();
            // });

            var webSocketOptions = new WebSocketOptions()
            {
                KeepAliveInterval = TimeSpan.FromSeconds(120),
                ReceiveBufferSize = 4 * 1024,
            };


            app.UseWebSockets(webSocketOptions);
            app.UseCors("CorsPolicy");


            // SPA (angular) route fallback
            app.Use(async(context, next) =>
            {
                await next();

                if (context.Response.StatusCode == 404 &&
                    !Path.HasExtension(context.Request.Path.Value) &&
                    !(context.Request.Path.Value?.ToLower().StartsWith("/api/") ?? false))
                {
                    context.Request.Path        = "/index.html";
                    context.Response.StatusCode = 200;

                    await next();
                }
            });


            /*****
             *          var mirrorSharpOptions = new MirrorSharpOptions()
             *          {
             *              SelfDebugEnabled = true,
             *              IncludeExceptionDetails = true,
             *              //SetOptionsFromClient = SetOptionsFromClientExtension()
             *              // CSharp = {
             *              //             MetadataReferences = ImmutableList.Create<MetadataReference>(all),
             *              //             CompilationOptions = compilationOptions
             *              //          },
             *              ExceptionLogger = new MirrorSharpExceptionLogger()
             *          }.SetupCSharp(cs =>
             *          {
             *              //cs.MetadataReferences = cs.MetadataReferences.Clear();
             *              //cs.AddMetadataReferencesFromFiles(all);
             *              cs.MetadataReferences = ImmutableList.Create<MetadataReference>(all);
             *              cs.CompilationOptions = compilationOptions;
             *
             *          });
             *
             *
             *          app.UseMirrorSharp(mirrorSharpOptions);
             */
            app.UseDefaultFiles();
            app.UseStaticFiles();

            // TODO: This outputs full request detail into log. Perhaps consider outputting this to a different detailed log
            //app.UseSerilogRequestLogging();
            app.UseSerilogRequestLogging(options =>
            {
                options.GetType().GetFields(System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
                // Customize the message template
                //HTTP {RequestMethod} {RequestPath} responded {StatusCode} in {Elapsed:0.0000} ms
                options.MessageTemplate = "Req/Res: {ReqLen,7} {ResLen,7} {StatusCode} {Elapsed,7:0} ms {RequestMethod,4} {RequestPath}";

                //options.GetLevel = (httpContext, elapsed, ex) => Serilog.Events.LogEventLevel.Warning;


                // Attach additional properties to the request completion event
                options.EnrichDiagnosticContext = (diagnosticContext, httpContext) =>
                {
                    diagnosticContext.Set("ResLen", httpContext.Response.ContentLength ?? 0);
                    diagnosticContext.Set("ReqLen", httpContext.Request.ContentLength ?? 0);
                };
            });

            app.UseRouting();


            MetadataReference[] allMetadataReferences = null;

            try
            {
                allMetadataReferences = CSharpCompilerHelper.GetCommonMetadataReferences();

                var jsDALBasePluginPath = Path.GetFullPath("./plugins/jsdal-plugin.dll");

                if (File.Exists("./plugins/jsdal-plugin.dll"))
                {
                    Array.Resize(ref allMetadataReferences, allMetadataReferences.Length + 1);

                    allMetadataReferences[allMetadataReferences.Length - 1] = Microsoft.CodeAnalysis.MetadataReference.CreateFromFile(jsDALBasePluginPath);
                }
                else
                {
                    Log.Error($"Failed to find base plugin assembly at {jsDALBasePluginPath}");
                    SessionLog.Error($"Failed to find base plugin assembly at {jsDALBasePluginPath}");
                }
            }
            catch (Exception mex)
            {
                Log.Error(mex, "Failed to compile collection of metadata references");
            }

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapHub <Hubs.HomeDashboardHub>("/main-stats");
                endpoints.MapHub <Hubs.WorkerDashboardHub>("/worker-hub");
                endpoints.MapHub <Hubs.Performance.RealtimeHub>("/performance-realtime-hub");
                endpoints.MapHub <Hubs.HeartBeat.HeartBeatHub>("/heartbeat");
                endpoints.MapHub <Hubs.BackgroundTaskHub>("/bgtasks-hub");
                endpoints.MapHub <Hubs.BackgroundPluginHub>("/bgplugin-hub");
                endpoints.MapHub <Hubs.ExecHub>("/exec-hub");

                if (allMetadataReferences?.Length > 0)
                {
                    var compilationOptions = new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary,
                                                                          //            generalDiagnosticOption: ReportDiagnostic.Suppress
                                                                          specificDiagnosticOptions: new Dictionary <string, ReportDiagnostic>
                    {
                        { "CS1701", ReportDiagnostic.Suppress },                                     // Binding redirects
                        { "CS1702", ReportDiagnostic.Suppress },
                        { "CS1705", ReportDiagnostic.Suppress }
                    }
                                                                          );

                    var mirrorSharpOptions = new MirrorSharpOptions()
                    {
                        SelfDebugEnabled        = true,
                        IncludeExceptionDetails = true
                                                  //SetOptionsFromClient = SetOptionsFromClientExtension()
                                                  // CSharp = {
                                                  //             MetadataReferences = ImmutableList.Create<MetadataReference>(all),
                                                  //             CompilationOptions = compilationOptions
                                                  //          },
                                                  //   ExceptionLogger = new MirrorSharpExceptionLogger()
                    }.SetupCSharp(cs =>
                    {
                        //cs.MetadataReferences = cs.MetadataReferences.Clear();
                        //cs.AddMetadataReferencesFromFiles(all);
                        cs.MetadataReferences = ImmutableList.Create <MetadataReference>(allMetadataReferences);
                        cs.CompilationOptions = compilationOptions;
                    });

                    endpoints.MapMirrorSharp("/mirrorsharp", mirrorSharpOptions);
                }
                else
                {
                    Log.Warning("Mirrorsharp not started because of errors builiding up metadata references");
                }
            });

            app.UseAuthentication();
            app.UseWebSockets();
            app.UseCookiePolicy();

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseHsts();

                // unhandled exceptions
                app.UseExceptionHandler(errorApp =>
                {
                    errorApp.Run(async context =>
                    {
                        try
                        {
                            var exceptionHandlerPathFeature = context.Features.Get <IExceptionHandlerPathFeature>();

                            var id = ExceptionLogger.LogException(exceptionHandlerPathFeature.Error, exceptionHandlerPathFeature.Path, "jsdal-server", null);

                            context.Response.StatusCode  = 500;
                            context.Response.ContentType = "text/plain";

                            await context.Response.WriteAsync($"Server error. Ref: {id}");
                            await context.Response.WriteAsync(new string(' ', 512)); // IE padding
                        }
                        catch (Exception ex)
                        {
                            Log.Error(ex, $"Failed to log unhandled exception because of:\r\n {ex.ToString()}");
                        }
                    });
                });
            }

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
        }