/// <summary>
/// 异步请求更新状态。
/// </summary>
public IAsyncAction RefreshAsync()
{
return(Run(async token =>
{
var http = new HttpClient();
IAsyncAction act = null;
IAsyncOperation <string> ope = null;
token.Register(() =>
{
act?.Cancel();
ope?.Cancel();
});
try
{
act = signInUsereg(http);
await act;
//获取用户信息
ope = http.GetStrAsync(new Uri("http://usereg.tsinghua.edu.cn/user_info.php"));
var res1 = await ope;
var info1 = Regex.Match(res1, "使用流量\\(IPV4\\).+?(\\d+?)\\(byte\\).+?帐户余额.+?([0-9.]+)\\(元\\)", RegexOptions.Singleline).Groups;
if (info1.Count != 3)
{
var ex = new InvalidOperationException("获取到的数据格式错误。");
ex.Data.Add("HtmlResponse", res1);
throw ex;
}
WebTraffic = new Size(ulong.Parse(info1[1].Value, CultureInfo.InvariantCulture));
Balance = decimal.Parse(info1[2].Value, CultureInfo.InvariantCulture);
//获取登录信息
var res2 = await http.GetStrAsync(new Uri("http://usereg.tsinghua.edu.cn/online_user_ipv4.php"));
var info2 = Regex.Matches(res2, "<tr align=\"center\">.+?</tr>", RegexOptions.Singleline);
var devices = (from Match r in info2
let details = Regex.Matches(r.Value, "(?<=\\<td class=\"maintd\"\\>)(.*?)(?=\\</td\\>)")
select new WebDevice(Ipv4Address.Parse(details[0].Value),
MacAddress.Parse(details[6].Value))
{
WebTraffic = Size.Parse(details[2].Value),
LogOnDateTime = DateTime.ParseExact(details[1].Value, "yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture),
DropToken = Regex.Match(r.Value, @"(?<=value="")(\d+)(?="")").Value,
HttpClient = http
}).ToArray();
var t = deviceList.FirstOrDefault();
if (t != null)
{
t.HttpClient.Dispose();
}
var common = devices.Join(deviceList, n => n, o => o, (n, o) =>
{
o.DropToken = n.DropToken;
o.HttpClient = n.HttpClient;
o.LogOnDateTime = n.LogOnDateTime;
o.WebTraffic = n.WebTraffic;
return o;
}, new deviceComparer());
for (int i = 0; i < deviceList.Count;)
{
if (!common.Contains(deviceList[i]))
{
deviceList[i].Dispose();
deviceList.RemoveAt(i);
}
else
{
i++;
}
}
foreach (var item in devices)
{
if (!common.Contains(item, new deviceComparer()))
{
deviceList.Add(item);
}
else
{
item.Dispose();
}
}
//全部成功
UpdateTime = DateTime.Now;
}
catch (LogOnException)
{
throw;
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
throw new LogOnException(LogOnExceptionType.ConnectError, ex);
}
finally
{
if (deviceList.Count == 0)
{
http.Dispose();
}
}
}));
}
/// <summary>
/// 初始化 <see cref="WebDevice"/> 的实例并设置相关信息。
/// </summary>
/// <param name="ip">IP 地址。</param>
/// <param name="mac">Mac 地址。</param>
/// <param name="deviceFamilyDescription">设备描述。</param>
public WebDevice(Ipv4Address ip, MacAddress mac, string deviceFamilyDescription)
: this(ip, mac)
{
this.SetDeviceFimaly(deviceFamilyDescription);
}
/// <summary>
/// 初始化 <see cref="WebDevice"/> 的实例并设置相关信息。
/// </summary>
/// <param name="ip">IP 地址。</param>
/// <param name="mac">Mac 地址。</param>
public WebDevice(Ipv4Address ip, MacAddress mac)
{
this.IPAddress = ip;
this.Mac = mac;
deviceDictChanged += WebDevice_deviceDictChanged;
}
/// <summary>
/// 初始化 <see cref="WebDevice"/> 的实例并设置相关信息。
/// </summary>
/// <param name="ip">IP 地址。</param>
/// <param name="mac">Mac 地址。</param>
public WebDevice(Ipv4Address ip, MacAddress mac)
{
this.IPAddress = ip;
this.Mac = mac;
}