/// <summary> /// Lit le flux sous-jacent /// </summary> public override void Read(DNSRequest request, int Length) { dnsName = request.ReadDNSName(); }
/// <summary> /// Lit le flux sous-jacent /// </summary> public override void Read(DNSRequest request, int Length) { this.Text = request.ReadString(Length); }
/// <summary> /// ecrit vers le flux sous-jaccent /// </summary> public override void Write(DNSRequest request) { request.Write(dnsName); }
/// <summary> /// ecrit vers le flux sous-jaccent /// </summary> public override void Write(DNSRequest request) { request.Write(Text); }
private async void BackGroundRequestTask(IBackgroundTaskInstance taskInstance) { MessageRemind toast = new MessageRemind(); //初始化消息提醒 var sitelist = DBHelper.GetAllSite(); var len = sitelist.Count; //使用foreach会出现不在期望中的异常 SiteModel _presite = new SiteModel(); _presite = DBHelper.GetSiteById(4); //这里是指定了precheck的id为4 var _precolor = _presite.Last_request_result; //如果percheck为错误 就不进行请求了 if (_precolor != 0) { //遍历sitelist 根据协议进行请求 for (int i = 0; i < len; i++) { SiteModel si = sitelist[i]; string _protocol = si.Protocol_type; string _address = si.Site_address; string url = _address; bool _is_Monitor = si.Is_Monitor; if (!_is_Monitor) { continue; } if (!IPAddress.TryParse(url, out IPAddress reIP)) { //如果输入的不是ip地址 //通过域名解析ip地址 //网址简单处理 去除http和https var http = url.StartsWith("http://"); var https = url.StartsWith("https://"); if (http) { url = url.Substring(7);//网址截取从以第一w } else if (https) { url = url.Substring(8);//网址截取从以第一w } IPAddress[] hostEntry = await Dns.GetHostAddressesAsync(url); for (int m = 0; m < hostEntry.Length; m++) { if (hostEntry[m].AddressFamily == AddressFamily.InterNetwork) { reIP = hostEntry[m]; break; } } }//根据地址解析出ipv4地址 switch (_protocol)//根据协议请求站点 { case "HTTPS": HTTPRequest hTTPs = HTTPRequest.Instance; hTTPs.ProtocolType = TransportProtocol.https; //更改协议类型 hTTPs.Uri = _address; bool httpsFlag = await hTTPs.MakeRequest(); //请求完毕 //处理数据 si.Request_interval = hTTPs.TimeCost; si.Request_count += 1; if ("1002".Equals(hTTPs.Status)) //定义的超时状态码 { //请求超时 si.Last_request_result = -1; } else { SiteDetailViewModel util = new SiteDetailViewModel(); //用于查看状态码 bool match = util.SuccessCodeMatch(si, hTTPs.Status); //匹配用户设定状态码 if (match) //匹配为成功 否则为失败 { si.Last_request_result = 1; } else { si.Last_request_result = 0; toast.ShowToast(si); } } break; case "HTTP": HTTPRequest hTTP = HTTPRequest.Instance; //默认协议类型http hTTP.Uri = _address; hTTP.ProtocolType = TransportProtocol.http; bool httpFlag = await hTTP.MakeRequest(); //请求完毕 //处理数据 si.Request_interval = hTTP.TimeCost; si.Request_count += 1; if ("1002".Equals(hTTP.Status)) { //请求超时 si.Last_request_result = -1; } else { SiteDetailUtilImpl util = new SiteDetailUtilImpl(); bool match = util.SuccessCodeMatch(si, hTTP.Status); //匹配用户设定状态码 if (match) { si.Last_request_result = 1; } else { si.Last_request_result = 0; } } if (httpFlag == false) { toast.ShowToast(si); si.Last_request_result = 0; } break; case "DNS": string baiduDomain = "www.baidu.com";//设定一个网站供dns服务器进行解析 DNSRequest dNS = new DNSRequest(reIP, baiduDomain); bool dnsFlag = await dNS.MakeRequest(); //请求完毕 if ("1000".Equals(dNS.Status)) { //dns正常 si.Last_request_result = 1; } else if ("1001".Equals(dNS.Status)) { //unknown si.Last_request_result = 2; } else if ("1002".Equals(dNS.Status)) { //timeout si.Last_request_result = -1; } si.Request_interval = dNS.TimeCost; si.Request_count += 1; if (dnsFlag == false) { //消息提醒 si.Last_request_result = 0; toast.ShowToast(si); } break; case "ICMP": ICMPRequest icmp = new ICMPRequest(reIP); bool icmpFlag = icmp.DoRequest(); //请求完毕 RequestObj requestObj; //用于存储icmp请求结果的对象 requestObj = DataHelper.GetProperty(icmp); si.Last_request_result = int.Parse(requestObj.Color); si.Request_count += 1; si.Request_interval = requestObj.TimeCost; if (icmpFlag == false) { si.Last_request_result = 0; toast.ShowToast(si); } break; case "FTP": var json = si.ProtocolIdentification; JObject js = (JObject)JsonConvert.DeserializeObject(json); //在此处加入type类型 string username = js["username"].ToString(); string password = js["password"].ToString(); FTPRequest fTP = new FTPRequest(LoginType.Identify); fTP.FtpServer = reIP; fTP.Identification.Username = username; fTP.Identification.Password = password; bool ftpFlag = await fTP.MakeRequest(); //请求完毕 if ("1001".Equals(fTP.Status)) { //置为错误 si.Last_request_result = 0; } else if ("1000".Equals(fTP.Status)) { //置为成功 si.Last_request_result = 1; } else if ("1002".Equals(fTP.Status)) { //超时异常 si.Last_request_result = -1; } si.Request_count += 1; si.Request_interval = fTP.TimeCost; if (ftpFlag == false) { si.Last_request_result = 0; toast.ShowToast(si); } break; case "SMTP": SMTPRequest sMTP = new SMTPRequest(_address, si.Server_port); bool smtpFlag = await sMTP.MakeRequest(); //请求完毕 if ("1000".Equals(sMTP.Status)) { si.Last_request_result = 1; } else if ("1001".Equals(sMTP.Status)) { si.Last_request_result = 0; } else if ("1002".Equals(sMTP.Status)) { si.Last_request_result = -1; } si.Request_count += 1; si.Request_interval = sMTP.TimeCost; if (smtpFlag == false) { si.Last_request_result = 0; toast.ShowToast(si); } break; default: break; } DBHelper.UpdateSite(si); } } }
/// <summary> /// 请求服务器状态 创建者: xb 创建时间:2018/05/10 /// </summary> /// <param name="serverProtocol"></param> /// <returns></returns> public async Task <LogModel> AccessDNSServer(SiteModel site, DNSRequest request) { // 作为返回参数的请求结果记录 LogModel log = null; if (null != site.Site_address && !("".Equals(site.Site_address))) { // 检测并赋值DNS服务器IP IPAddress ip = await GetIPAddressAsync(site.Site_address); // ip 不合法 if (null == ip) { return(null); } request.DnsServer = ip; #region 初始化log log = new LogModel { Site_id = site.Id, Create_Time = DateTime.Now }; #endregion // 获取存储的请求预处理信息 JObject js = (JObject)JsonConvert.DeserializeObject(site.Protocol_content); try { // 赋值请求类型 request.RecordType = DNSRequest.GetQTypeWithStringTypeName(js["recordType"].ToString()); } catch (Exception) { request.RecordType = 0;//出错 默认选第一个 } // 赋值用于测试的域名 request.DomainName = js["lookup"].ToString(); // 开始请求 bool result = await request.MakeRequest(); // 处理请求记录 CreateLogWithRequestServerResult(log, request); // 补充额外添加的判断 --xb if (!log.Is_error) { log.Is_error = !request.IsMatchResult(request.ActualResult.First(), new HashSet <string>() { // 赋值保存的期待返回值 --xb js["expectedResults"].ToString() }); if (log.Is_error) { log.Status_code = "1001"; } } // 补充此次请求的其他内容(协议的返回信息) --xb log.Log_Record = request.RequestInfos; // 更新站点信息 UpdateSiteStatus(site, log); } return(log); }
/// <summary> /// Lit le flux sous-jacent /// </summary> public override void Read(DNSRequest request, int Length) { this.datas = request.ReadBytes(Length); }
/// <summary> /// ecrit vers le flux sous-jaccent /// </summary> public override void Write(DNSRequest request) { request.Write(this.datas); }