/// <summary>
/// 变量初始化 创建：fjl
/// </summary>
/// <returns>返回true</returns>
public async Task <bool> InitAsync()
{
Lengend = new ObservableCollection <LineChartLengend>();
ChartDao = new ChartUtilImpl();
siteDao = new SiteDaoImpl();
logDao = new LogDaoImpl();
Infos.LineChartCollection = new ObservableCollection <ObservableCollection <LineChartData> >();
Infos.SiteInfoCompleted = new ObservableCollection <AddSiteInfo>();
Infos.SiteSelected = new List <SiteModel>();
Infos.Logs = new List <LogModel>();
Infos.BarChart = new ObservableCollection <BarChartData>();
await Task.CompletedTask;
return(true);
}
//变量初始化
public async Task <bool> InitAsync()
{
Lengend = new ObservableCollection <ChartLengend>();
ChartDao = new ChartUtilImpl();
siteDao = new SiteDaoImpl();
logDao = new LogDaoImpl();
Chart1Collection = new ObservableCollection <ObservableCollection <Chart1> >();
Infos.Chart1CollectionCopy = new ObservableCollection <ObservableCollection <Chart1> >();
Infos.SelectSites = new ObservableCollection <SelectSite>();
Infos.Sites = new List <SiteModel>();
Infos.Logs = new List <LogModel>();
Infos.BarChart = new ObservableCollection <BarChartData>();
await Task.CompletedTask;
return(true);
}
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.Is_success; //如果percheck为错误 就不进行请求了
// 引入封装的工具类 --xb
SiteDetailUtilImpl util = new SiteDetailUtilImpl();
if (_precolor != 0)
{
//遍历sitelist 根据协议进行请求
for (int i = 0; i < len; i++)
{
// 获取站点对象 --xb
SiteModel siteElement = sitelist[i];
// 创建用于记录此次请求的Log对象 --xb
LogModel log = null;
if (!siteElement.Is_Monitor)
{
continue;
}
IPAddress _siteAddress_redress = await util.GetIPAddressAsync(siteElement.Site_address);
switch (siteElement.Protocol_type)//根据协议请求站点
{
// HTTP/HTTPS协议请求 --xb
// 目前HTTP与HTTPS没有做协议请求上的区分 --xb
case "HTTPS":
case "HTTP":
try
{
// 发起HTTP请求，生成请求记录并更新站点信息 --xb
log = await util.RequestHTTPSite(siteElement, HTTPRequest.Instance);
}
catch (Exception ex)
{
DBHelper.InsertErrorLog(ex);
log = null;
}
break;
// DNS协议请求 --xb
case "DNS":
// 发起DNS请求，生成请求记录并更新站点信息 --xb
log = await util.AccessDNSServer(siteElement, DNSRequest.Instance);
break;
// ICMP协议请求 --xb
case "ICMP":
ICMPRequest icmp = new ICMPRequest(_siteAddress_redress);
// 发起ICMP请求，生成请求记录并更新站点信息 --xb
log = await util.ConnectToServerWithICMP(siteElement, icmp);
break;
// FTP协议请求 --xb
case "FTP":
// 发起FTP请求，生成请求记录并更新站点信息 --xb
log = await util.AccessFTPServer(siteElement, FTPRequest.Instance);
break;
// SMTP协议请求 --xb
case "SMTP":
// 发起SMTP请求，生成请求记录并更新站点信息 --xb
SMTPRequest _smtpRequest = new SMTPRequest(siteElement.Site_address, siteElement.Server_port);
log = await util.AccessSMTPServer(siteElement, _smtpRequest);
break;
// 补充之前欠缺的Socket服务器请求 --xb
case "SOCKET":
// 初始化Socket请求对象
SocketRequest _socketRequest = new SocketRequest();
// 请求指定终端，并生成对应的请求记录，最后更新站点信息
log = await util.ConnectToServerWithSocket(siteElement, _socketRequest);
break;
// 补充之前欠缺的SSH服务器请求 --xb
case "SSH":
log = await util.AccessSSHServer(siteElement, new SSHRequest(siteElement.Site_address, SshLoginType.Anonymous));
break;
default:
break;
}
if (null != log)
{
// 将请求的记录插入数据库 --xb
LogDaoImpl logDao = new LogDaoImpl();
logDao.InsertOneLog(log);
// 如果请求失败，提醒用户 --xb
if (log.Is_error)
{
// 消息提醒 --xb
toast.ShowToast(siteElement);
}
}
// 说明此次请求处于异常状态，记录进数据库中
else
{
DBHelper.InsertErrorLog(new Exception("Insert Log failed!Beacuse log to insert is null"));
}
}
}
}