public void CheckVersion()
{
WebClient wc = new WebClient();
wc.Proxy = null;
wc.OpenReadCompleted += (sender, args) => Connected(this, Empty);
wc.DownloadProgressChanged += (sender, args) => DownloadProgressChanged(this, args);
wc.DownloadStringCompleted += (sender, args) => {
if (args.Cancelled || args.Error != null)
{
UpdateCheckFailed?.Invoke(this, Empty);
}
else
{
try {
XmlDocument xd = new XmlDocument();
xd.LoadXml(args.Result);
var versionNode = xd["version"];
var version = Version.Parse(versionNode["version_string"].InnerText);
var releaseDate = DateTime.ParseExact(versionNode["release_date"].InnerText.Trim(), "yyyy'-'M'-'d", null);
string releaseNotes = versionNode["release_notes"].InnerText;
string url = versionNode["url"].InnerText;
var myVersion = FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location);
if (version > Version.Parse(myVersion.FileVersion))
{
UpdateAvailable?.Invoke(this, new UpdateAvailableArgs {
DownloadUrl = url,
ReleaseDate = releaseDate,
ReleaseNotes = releaseNotes,
Version = version,
});
}
else
{
AlreadyLatest?.Invoke(this, Empty);
}
}
catch {
UpdateCheckFailed?.Invoke(this, Empty);
}
}
};
// trigger the download..
wc.DownloadStringAsync(new Uri(UpdateCheckHost + UpdateCheckPage));
}
private void CheckForUpdatesInternal()
{
UpdaterLogger.Log("Checking for updates.");
updateMirrors = updateMirrors.OrderBy(um => um.Rating).ToList();
using (WebClient webClient = CreateWebClient())
{
webClient.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
webClient.Encoding = Encoding.GetEncoding(1252);
CreateTemporaryDirectory();
int i = 0;
UpdateMirror updateMirror;
string downloadDirectory = localBuildInfo.BuildPath + TEMPORARY_UPDATER_DIRECTORY + Path.DirectorySeparatorChar;
while (i < updateMirrors.Count)
{
updateMirror = updateMirrors[i];
UpdaterLogger.Log("Attempting to download version information from " +
updateMirror.UIName + " (" + updateMirror.URL + ")");
try
{
webClient.DownloadFile(updateMirror.URL + REMOTE_BUILD_INFO_FILE, downloadDirectory + REMOTE_BUILD_INFO_FILE);
UpdaterLogger.Log("Version information downloaded, proceeding to parsing it.");
remoteBuildInfo = new RemoteBuildInfo();
remoteBuildInfo.Parse(downloadDirectory + REMOTE_BUILD_INFO_FILE);
lastUpdateMirrorId = i;
lock (locker)
{
updateCheckInProgress = false;
}
if (remoteBuildInfo.ProductVersionInfo.VersionNumber == localBuildInfo.ProductVersionInfo.VersionNumber)
{
BuildState = BuildState.UPTODATE;
BuildUpToDate?.Invoke(this, EventArgs.Empty);
return;
}
else
{
BuildState = BuildState.OUTDATED;
BuildOutdated?.Invoke(this, new BuildOutdatedEventArgs(
remoteBuildInfo.ProductVersionInfo.DisplayString, GetUpdateSize()));
return;
}
}
catch (WebException ex)
{
UpdaterLogger.Log("WebException when downloading version information: " + ex.Message);
i++;
}
catch (ParseException ex)
{
UpdaterLogger.Log("ParseException when parsing version information: " + ex.Message);
i++;
}
catch (FormatException ex)
{
UpdaterLogger.Log("FormatException when parsing version information: " + ex.Message);
i++;
}
}
}
UpdaterLogger.Log("Failed to download version information from all update mirrors. Aborting.");
lock (locker)
{
updateCheckInProgress = false;
}
UpdateCheckFailed?.Invoke(this, EventArgs.Empty);
}
private void CheckForUpdateAsync(object state)
{
try
{
if (!_manualCheck & (_updateCheckedAt.AddMilliseconds(_updateCheckInterval) > DateTime.UtcNow))
{
return;
}
using (WebClientEx wC = new WebClientEx())
{
wC.Proxy = _proxy;
wC.Timeout = 30000;
byte[] response = wC.DownloadData(_updateCheckUri);
using (BinaryReader bR = new BinaryReader(new MemoryStream(response, false)))
{
if (Encoding.ASCII.GetString(bR.ReadBytes(2)) != "MU") //format
{
throw new InvalidDataException("Mesh update info format is invalid.");
}
switch (bR.ReadByte()) //version
{
case 1:
_updateVersion = bR.ReadShortString();
_displayText = bR.ReadShortString();
_downloadLink = bR.ReadShortString();
break;
default:
throw new InvalidDataException("Mesh update info version not supported.");
}
if (IsUpdateAvailable(_currentVersion, _updateVersion))
{
_syncCxt.Send(delegate(object state2)
{
UpdateAvailable?.Invoke(this, EventArgs.Empty);
}, null);
}
else if (_manualCheck)
{
_syncCxt.Send(delegate(object state2)
{
NoUpdateAvailable?.Invoke(this, EventArgs.Empty);
}, null);
}
}
}
}
catch (Exception ex)
{
if (_manualCheck)
{
_syncCxt.Send(delegate(object state2)
{
UpdateCheckFailed?.Invoke(this, ex);
}, null);
}
}
finally
{
_manualCheck = false;
_updateCheckedAt = DateTime.UtcNow;
}
}
