C# RequestContext类代码示例

        private static async void MainAsync(string cachePath, double zoomLevel)
        {
            var browserSettings = new BrowserSettings();
            var requestContextSettings = new RequestContextSettings { CachePath = cachePath };

            // RequestContext can be shared between browser instances and allows for custom settings
            // e.g. CachePath
            using(var requestContext = new RequestContext(requestContextSettings))
            using (var browser = new ChromiumWebBrowser(TestUrl, browserSettings, requestContext))
            {
                if (zoomLevel > 1)
                {
                    browser.FrameLoadStart += (s, argsi) =>
                    {
                        var b = (ChromiumWebBrowser)s;
                        if (argsi.Frame.IsMain)
                        {
                            b.SetZoomLevel(zoomLevel);
                        }
                    };
                }
                await LoadPageAsync(browser);

                // Wait for the screenshot to be taken.
                await browser.ScreenshotAsync().ContinueWith(DisplayBitmap);

                await LoadPageAsync(browser, "http://github.com");

                // Wait for the screenshot to be taken.
                await browser.ScreenshotAsync().ContinueWith(DisplayBitmap);
            }
        }

        public override V3Message execute(Request message, RequestContext context)
        {
            Object returnValue = null;
#if(FULL_BUILD)
            if (body.body == null)
                body.body = new object[0];
            else if (!body.body.GetType().IsArray)
                body.body = new object[] { body.body };

            try
            {
                if (Registry.ServiceRegistry.GetMapping(destination).Equals("*"))
                    destination = source;

                ThreadContext.getProperties()[ORBConstants.REQUEST_HEADERS] = headers;
                ThreadContext.getProperties()[ORBConstants.CLIENT_ID] = clientId;

                returnValue = Invoker.handleInvoke( message, destination, operation, (Object[])( (Object[])body.body )[0], context );
            }
            catch (Exception exception)
            {
                return new ErrMessage(messageId, exception);
            }
#endif
            return new AckMessage(messageId, clientId, returnValue);
        }

 /// <summary>
 /// </summary>
 /// <param name="context"></param>
 /// <param name="model"></param>
 /// <returns></returns>
 public StatusCode getForecast(
     RequestContext context,
     WeatherStationModel model
     )
 {
     return StatusCodes.BadNotImplemented;
 }

 public ActionResult GetAllRequests(int?page)
 {
     int pageSize = 5;
     int pageNumber = (page ?? 1);
     var colection = new RequestContext().Requests.OrderByDescending(x => x.InitialDate);
     return View(colection.ToPagedList(pageNumber, pageSize));
 }

        protected override IController GetControllerInstance(
            RequestContext requestContext, Type controllerType)
        {
            try
            {
                if (controllerType == null)
                    return base.GetControllerInstance(requestContext, null);

                var controller = funqBuilder.CreateInstance(controllerType) as IController;

                return controller ?? base.GetControllerInstance(requestContext, controllerType);
            }
            catch (HttpException ex)
            {
                if (ex.GetHttpCode() == 404)
                {
                    try
                    {
                        if (ServiceStackController.CatchAllController != null)
                        {
                            return ServiceStackController.CatchAllController(requestContext);
                        }
                    }
                    catch { } //ignore not found CatchAllController
                }
                throw;
            }
        }

        public override void Authenticate(RequestContext<AuthenticateRequest, AuthenticateResponse> requestContext)
        {
            SslConnection connection = _context.Connection as SslConnection;

            X509Certificate cert = connection.ClientCertificate;
            string certHashString = cert.GetCertHashString();

            foreach(User user in ServerContext.AccessControlList.Users)
            {
                SslAuthenticationParameters auth = (SslAuthenticationParameters)user.GetAuthentication("ssl_auth");

                if(auth != null && auth.CertificateHash.Equals(certHashString))
                {
                    ServerContext.ServerAuthenticationContext.AuthenticatedPermissionMember = user;

                    AuthenticateResponse response = requestContext.CreateResponse();
                    response.Succeeded = true;
                    response.Execute();
                    return;
                }
            }

            _log.WarnFormat("Could not find user associated with certificate '{0}'", certHashString);

            AuthenticateResponse errorResponse = requestContext.CreateResponse();
            errorResponse.Succeeded = false;
            errorResponse.CustomErrorMessage = "No client associated with specified certificate!";
            errorResponse.Execute();
        }

 public MetricsServices(RequestContext c,
                     SearchQueryRepository queries
                     )
 {
     context = c;
     this.SearchQueries = queries;
 }

        public async Task<ViewEngineResult> FindView(RequestContext requestContext, string viewName)
        {
            var actionDescriptor = _actionDescriptorProvider.CreateDescriptor(requestContext) as ControllerBasedActionDescriptor;
            
            if (actionDescriptor == null)
            {
                return null;
            }
            
            if (String.IsNullOrEmpty(viewName))
            {
                viewName = actionDescriptor.ActionName;
            }

            string controllerName = actionDescriptor.ControllerName;
            var searchedLocations = new List<string>(_viewLocationFormats.Length);
            for (int i = 0; i < _viewLocationFormats.Length; i++)
            {
                string path = String.Format(CultureInfo.InvariantCulture, _viewLocationFormats[i], viewName, controllerName);
                IView view = await _virtualPathFactory.CreateInstance(path);
                if (view != null)
                {
                    return ViewEngineResult.Found(view);
                }
                searchedLocations.Add(path);
            }
            return ViewEngineResult.NotFound(searchedLocations);
        }

        public static MetricsServices InstantiateForMemory(RequestContext c)
        {
            return new MetricsServices(c,
                                      SearchQueryRepository.InstantiateForMemory(c)                                      
                                      );

        }

        public void CanAddItemToOrderAndCalculate()
        {
            
            RequestContext c = new RequestContext();
            MerchantTribeApplication app = MerchantTribeApplication.InstantiateForMemory(c);
            c.CurrentStore = new Accounts.Store();
            c.CurrentStore.Id = 1;

            Order target = new Order();
            LineItem li = new LineItem() { BasePricePerItem = 19.99m, 
                                           ProductName = "Sample Product", 
                                           ProductSku = "ABC123", 
                                           Quantity = 2 };
            target.Items.Add(li);
            app.CalculateOrder(target);
            Assert.AreEqual(39.98m, target.TotalOrderBeforeDiscounts, "SubTotal was Incorrect");
            Assert.AreEqual(39.98m, target.TotalGrand, "Grand Total was incorrect");
            
            bool upsertResult = app.OrderServices.Orders.Upsert(target);
            Assert.IsTrue(upsertResult, "Order Upsert Failed");

            Assert.AreEqual(c.CurrentStore.Id, target.StoreId, "Order store ID was not set correctly");
            Assert.AreNotEqual(string.Empty, target.bvin, "Order failed to get a bvin");
            Assert.AreEqual(1, target.Items.Count, "Item count should be one");
            Assert.AreEqual(target.bvin, target.Items[0].OrderBvin, "Line item didn't receive order bvin");
            Assert.AreEqual(target.StoreId, target.Items[0].StoreId, "Line item didn't recieve storeid");
        }

        public static ScheduleService InstantiateForMemory(RequestContext c)
        {
            return new ScheduleService(c,
                                      QueuedTaskRepository.InstantiateForMemory(c)
                                      );

        }

 public void SetsMetaHeaders()
 {
     var request = new RequestContext(HttpMethods.Get, Enumerable.Empty<KeyValuePair<string, object>>());
      request.Prepare();
      Assert.AreEqual("dotnet", request.Request.Headers["X-Mashape-Language"]);
      Assert.AreEqual("0.1", request.Request.Headers["X-Mashape-Version"]);
 }

        /// <summary>
        /// Called when [execute].
        /// </summary>
        /// <param name="context">The context.</param>
        /// <returns>Base return container</returns>
        public override BaseReturnContainer OnExecute(RequestContext context)
        {
            GetUserTagsRequestContainer requestContainer = context.InParam as GetUserTagsRequestContainer;
            GetUserTagsReturnContainer returnContainer = new GetUserTagsReturnContainer();

            ISqlProvider sqlProvider = (ISqlProvider)ProviderFactory.Instance.CreateProvider<ISqlProvider>(requestContainer.ProviderName);
            Dictionary<string, object> parameters = new Dictionary<string, object>() { { "@userId", requestContainer.UserId }, { "@deleted", false } };
            DataSet returnedData = sqlProvider.ExecuteQuery(SqlQueries.GetUserProfileQuery, parameters);
            if (returnedData.Tables.Count > 0 && returnedData.Tables[0].Rows.Count == 1)
            {
                DataRow row = returnedData.Tables[0].Rows[0];
                returnContainer.Tags = row["Tags"].ToString().Split(new string[] { Constants.QuerySeparator }, StringSplitOptions.RemoveEmptyEntries).ToList<string>();
                double tempDouble;
                double.TryParse(row["AreaOfService"].ToString(), out tempDouble);
                returnContainer.AreaOfService = tempDouble;
                returnContainer.ReturnCode = ReturnCodes.C101;
            }
            else
            {
                // User does not exist
                returnContainer.ReturnCode = ReturnCodes.C001;
            }

            return returnContainer;
        }

        protected async Task HandleInitializeRequest(
            InitializeRequest initializeParams,
            RequestContext<InitializeResult> requestContext)
        {
            // Grab the workspace path from the parameters
            editorSession.Workspace.WorkspacePath = initializeParams.RootPath;

            await requestContext.SendResult(
                new InitializeResult
                {
                    Capabilities = new ServerCapabilities
                    {
                        TextDocumentSync = TextDocumentSyncKind.Incremental,
                        DefinitionProvider = true,
                        ReferencesProvider = true,
                        DocumentHighlightProvider = true,
                        DocumentSymbolProvider = true,
                        WorkspaceSymbolProvider = true,
                        HoverProvider = true,
                        CompletionProvider = new CompletionOptions
                        {
                            ResolveProvider = true,
                            TriggerCharacters = new string[] { ".", "-", ":", "\\" }
                        },
                        SignatureHelpProvider = new SignatureHelpOptions
                        {
                            TriggerCharacters = new string[] { " " } // TODO: Other characters here?
                        }
                    }
                });
        }

        /// <summary>
        /// Create a new OffScreen Chromium Browser
        /// </summary>
        /// <param name="address">Initial address (url) to load</param>
        /// <param name="browserSettings">The browser settings to use. If null, the default settings are used.</param>
        /// <param name="requestContext">See <see cref="RequestContext" /> for more details. Defaults to null</param>
        /// <param name="automaticallyCreateBrowser">automatically create the underlying Browser</param>
        /// <param name="blendPopup">Should the popup be blended in the background in the rendering</param>
        /// <exception cref="System.InvalidOperationException">Cef::Initialize() failed</exception>
        public ChromiumWebBrowser(string address = "", BrowserSettings browserSettings = null,
            RequestContext requestContext = null, bool automaticallyCreateBrowser = true)
        {
            if (!Cef.IsInitialized && !Cef.Initialize())
            {
                throw new InvalidOperationException("Cef::Initialize() failed");
            }

            BitmapFactory = new BitmapFactory(BitmapLock);

            ResourceHandlerFactory = new DefaultResourceHandlerFactory();
            BrowserSettings = browserSettings ?? new BrowserSettings();
            RequestContext = requestContext;

            Cef.AddDisposable(this);
            Address = address;

            managedCefBrowserAdapter = new ManagedCefBrowserAdapter(this, true);

            if (automaticallyCreateBrowser)
            {
                CreateBrowser(IntPtr.Zero);
            }

            popupPosition = new Point();
            popupSize = new Size();
        }