private static CheckedEventArgs Check(string curVersion, string updaterUrl)
{
CheckedEventArgs args = new CheckedEventArgs();
try
{
HttpWebRequest reqUrl = (HttpWebRequest)WebRequest.Create(updaterUrl);
using (HttpWebResponse respUrl = (HttpWebResponse)reqUrl.GetResponse())
{
using (Stream stream = respUrl.GetResponseStream())
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(stream);
args.Version = xmlDoc.SelectSingleNode("item/version").InnerText.Trim();
args.FileUrl = xmlDoc.SelectSingleNode("item/url").InnerText.Trim();
args.Code = args.Version == "0.0.0.0" || args.Version.Equals(curVersion) ? "Unavailable" : "Available";
args.Desc = args.Version == "0.0.0.0" || args.Version.Equals(curVersion) ? "无可用更新版本" : "有可用更新版本";
}
}
}
catch (Exception ex)
{
args.Exception = ex;
}
return(args);
}
private static void DoWork()
{
CheckedEventArgs argsCheck = Check(Constants.CurVersion, Constants.UpdaterUrl);
if (argsCheck.Exception != null)
{
if (null != OnEnd)
{
OnEnd(argsCheck.Exception, false);
}
return;
}
if (argsCheck.Code == "Unavailable")
{
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Finished", Desc = argsCheck.Desc, Percent = 100
});
}
return;
}
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Progressing", Desc = argsCheck.Desc, Percent = 33
});
}
DownloadedEventArgs argsDownload = Download(argsCheck.FileUrl);
if (argsDownload.Exception != null)
{
if (null != OnEnd)
{
OnEnd(argsDownload.Exception, false);
}
return;
}
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Progressing", Desc = argsDownload.Desc, Percent = 66
});
}
ResultEventArgs argsResult = null;
if (argsDownload.FilePath.EndsWith(".zip"))
{
argsResult = UnZip(argsDownload.FilePath);
}
else if (argsDownload.FilePath.EndsWith(".cab"))
{
argsResult = ExecuteCab(argsDownload.FilePath);
}
if (null == argsResult)
{
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Finished", Desc = "升级成功", Percent = 100
});
}
return;
}
if (argsResult.Exception != null)
{
if (null != OnEnd)
{
OnEnd(argsResult.Exception, false);
}
return;
}
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Finished", Desc = argsResult.Desc, Percent = 100, NoRun = argsResult.NoRun
});
}
}
