public bool DownloadUpdates(GameModel model, VersionPair versionPair)
{
if (model == null) {
throw new ArgumentException("model argument cannot be null");
}
if (versionPair == null) {
throw new ArgumentException("versionPair argument cannot be null");
}
bool updateSuccess = true;
double downloadedContentLenght = 0;
double WholeContentLength = 0;
Dictionary<int, double> contentLenght = new Dictionary<int, double>();
try {
for (int i = versionPair.Local + 1; i <= versionPair.Remote; i++) {
double patchSize = GetFileLength(new Uri(string.Format(ConfigurationManager.GetConfiguration(model).PatchRemoteURL, i)));
WholeContentLength += patchSize;
contentLenght.Add(i, patchSize);
}
} catch (WebException) {
return false;
}
for (int i = versionPair.Local + 1; i <= versionPair.Remote; i++) {
Uri patchUri = new Uri(string.Format(ConfigurationManager.GetConfiguration(model).PatchRemoteURL, i));
string packageFile = Path.Combine(ConfigurationManager.GetGamePath(model), string.Format("UPDATE{0}.zip", i));
OnStatusChanged(UpdateStatusEventArgs.Stage.DOWNLOADING, i, versionPair.Remote, downloadedContentLenght, WholeContentLength, 0, 100);
double CurrentContentLength = 0;
if (!contentLenght.TryGetValue(i, out CurrentContentLength)) {
updateSuccess = false;
break;
}
int downloadAttempts = 5;
bool patchSuccess = false;
while (downloadAttempts > 0 && !patchSuccess) {
try {
if (File.Exists(packageFile)) {
File.Delete(packageFile);
}
} catch {
updateSuccess = false;
break;
}
using (WebClientEx webClient = new WebClientEx()) {
DownloadProgressChangedEventHandler progressChangedEventHandler = (s, e) => {
double dataReceived = (e.BytesReceived / (1024.0 * 1024.0));
double dataTotal = (e.TotalBytesToReceive / (1024.0 * 1024.0));
OnStatusChanged(UpdateStatusEventArgs.Stage.DOWNLOADING,
i, versionPair.Remote,
downloadedContentLenght + e.BytesReceived, WholeContentLength,
dataReceived, dataTotal);
};
webClient.DownloadProgressChanged += progressChangedEventHandler;
try {
webClient.DownloadFileAsync(patchUri, packageFile);
while (webClient.IsBusy) {
System.Threading.Thread.Sleep(100);
}
downloadedContentLenght += CurrentContentLength;
} catch {
downloadAttempts--;
continue;
} finally {
webClient.DownloadProgressChanged -= progressChangedEventHandler;
}
}
if (!ConfigurationManager.CheckUpdateAccess(model)) {
updateSuccess = false;
break;
}
if (ExtractUpdate(i, versionPair.Remote,
downloadedContentLenght, WholeContentLength,
packageFile, ConfigurationManager.GetGamePath(model), true)) {
try {
string versionFile = ConfigurationManager.GetLocalVersionFile(model);
string directory = Path.GetDirectoryName(versionFile);
if (!Directory.Exists(directory)) {
Directory.CreateDirectory(directory);
}
File.WriteAllLines(versionFile, new string[] { "[VERSION]", "version=" + i.ToString() });
} catch {
updateSuccess = false;
break;
}
patchSuccess = true;
}
downloadAttempts--;
}
if (!patchSuccess) {
updateSuccess = false;
break;
}
}
return updateSuccess;
}
private async Task<bool> BeginUpdate(VersionPair versionPair) {
if (!await CheckGameAccessLoop()) {
return false;
}
if (!UpdateManager.DownloadUpdates(ProfileManager.CurrentProfile.GameModel, versionPair)) {
DialogManager.ShowMessageDialog(LanguageManager.Model.ErrorOccured, LanguageManager.Model.ConnectionError);
}
if (!await CheckGameAccessLoop()) {
return false;
}
return await ImportPackages();
}
