C# (CSharp) System.Net.Cache.HttpRequestCachePolicy示例

示例#1

文件： UrlTester.cs 项目： ggmod/WordSyntaxHighlighter

        public static HttpWebRequest TestUrl_Async(string url, int index, UrlTestUser caller)
        {
            if (!url.StartsWith("http://") && !url.StartsWith("https://"))
                url = url.Insert(0, "http://");

            RequestState requestState = new RequestState();
            requestState.index = index;
            requestState.caller = caller;
            HttpWebRequest request = null;
            try
            {
                request = (HttpWebRequest)WebRequest.Create(url);
                System.Net.Cache.HttpRequestCachePolicy policy =
                    new System.Net.Cache.HttpRequestCachePolicy(System.Net.Cache.HttpRequestCacheLevel.BypassCache);
                request.CachePolicy = policy;
                request.UserAgent = user_agent;
                request.AllowAutoRedirect = false;
                requestState.request = request;

                IAsyncResult result = (IAsyncResult)request.BeginGetResponse(new AsyncCallback(TestUrl_AsyncCallback), requestState);
            }
            catch (WebException we)
            {
                requestState.connectionFailure = true;
                if (we.Status != WebExceptionStatus.RequestCanceled) // old requests that are invalid now shouldn't write into the ListView
                    ResolveUrlTestResult(requestState);
            }
            catch (Exception e)
            {
                requestState.connectionFailure = true;
                ResolveUrlTestResult(requestState);
            }
            return request;
        }

示例#2

文件： RestConnector.cs 项目： lordofffarm/extensions

        public RestConnector(string deviceAddress, string username, string password, bool useSSL, bool ignoreCertificateErrors)
        {
#if !(WindowsCE || WINDOWS_PHONE || ANDROID || MONO)
            System.Net.Cache.HttpRequestCachePolicy policy = new System.Net.Cache.HttpRequestCachePolicy(System.Net.Cache.HttpRequestCacheLevel.NoCacheNoStore);
            HttpWebRequest.DefaultCachePolicy = policy;
#endif
            DeviceAddress = deviceAddress;

            if (!username.IsNullOrEmpty())
            {
                m_credential = new NetworkCredential(username, password);
            }
            m_ssl = useSSL;

            IgnoreCertificateErrors = ignoreCertificateErrors;
            m_certOverridden        = false;
        }

示例#3

文件： UrlTester.cs 项目： JackWangCUMT/WordSyntaxHighlighter

        public static HttpWebRequest TestUrl_Async(string url, int index, UrlTestUser caller)
        {
            if (!url.StartsWith("http://") && !url.StartsWith("https://"))
            {
                url = url.Insert(0, "http://");
            }

            RequestState requestState = new RequestState();

            requestState.index  = index;
            requestState.caller = caller;
            HttpWebRequest request = null;

            try
            {
                request = (HttpWebRequest)WebRequest.Create(url);
                System.Net.Cache.HttpRequestCachePolicy policy =
                    new System.Net.Cache.HttpRequestCachePolicy(System.Net.Cache.HttpRequestCacheLevel.BypassCache);
                request.CachePolicy       = policy;
                request.UserAgent         = user_agent;
                request.AllowAutoRedirect = false;
                requestState.request      = request;

                IAsyncResult result = (IAsyncResult)request.BeginGetResponse(new AsyncCallback(TestUrl_AsyncCallback), requestState);
            }
            catch (WebException we)
            {
                requestState.connectionFailure = true;
                if (we.Status != WebExceptionStatus.RequestCanceled) // old requests that are invalid now shouldn't write into the ListView
                {
                    ResolveUrlTestResult(requestState);
                }
            }
            catch (Exception e)
            {
                requestState.connectionFailure = true;
                ResolveUrlTestResult(requestState);
            }
            return(request);
        }