private void OnDownloadFailure(object sender, DownloadFailureEventArgs e)
{
VersionListProcessorComponent versionListProcessor = e.UserData as VersionListProcessorComponent;
if (versionListProcessor == null || versionListProcessor != this)
{
return;
}
if (File.Exists(e.DownloadPath))
{
File.Delete(e.DownloadPath);
}
if (VersionListUpdateFailure != null)
{
VersionListUpdateFailure(e.DownloadUri, e.ErrorMessage);
}
}
private void OnDownloadSuccess(object sender, DownloadSuccessEventArgs e)
{
VersionListProcessorComponent versionListProcessor = e.UserData as VersionListProcessorComponent;
if (versionListProcessor == null || versionListProcessor != this)
{
return;
}
using (FileStream fileStream = new FileStream(e.DownloadPath, FileMode.Open, FileAccess.ReadWrite))
{
int length = (int)fileStream.Length;
if (length != m_VersionListZipLength)
{
fileStream.Close();
string errorMessage = Utility.Text.Format("Latest version list zip length error, need '{0}', downloaded '{1}'.", m_VersionListZipLength.ToString(), length.ToString());
DownloadFailureEventArgs downloadFailureEventArgs = DownloadFailureEventArgs.Create(e.SerialId, e.DownloadPath, e.DownloadUri, errorMessage, e.UserData);
OnDownloadFailure(this, downloadFailureEventArgs);
ReferencePool.Release(downloadFailureEventArgs);
return;
}
fileStream.Position = 0L;
int hashCode = Utility.Verifier.GetCrc32(fileStream);
if (hashCode != m_VersionListZipHashCode)
{
fileStream.Close();
string errorMessage = Utility.Text.Format("Latest version list zip hash code error, need '{0}', downloaded '{1}'.", m_VersionListZipHashCode.ToString(), hashCode.ToString());
DownloadFailureEventArgs downloadFailureEventArgs = DownloadFailureEventArgs.Create(e.SerialId, e.DownloadPath, e.DownloadUri, errorMessage, e.UserData);
OnDownloadFailure(this, downloadFailureEventArgs);
ReferencePool.Release(downloadFailureEventArgs);
return;
}
if (m_ResourceManager.DecompressCachedStream == null)
{
m_ResourceManager.DecompressCachedStream = new MemoryStream();
}
try
{
fileStream.Position = 0L;
m_ResourceManager.DecompressCachedStream.Position = 0L;
m_ResourceManager.DecompressCachedStream.SetLength(0L);
if (!Utility.Zip.Decompress(fileStream, m_ResourceManager.DecompressCachedStream))
{
fileStream.Close();
string errorMessage = Utility.Text.Format("Unable to decompress latest version list '{0}'.", e.DownloadPath);
DownloadFailureEventArgs downloadFailureEventArgs = DownloadFailureEventArgs.Create(e.SerialId, e.DownloadPath, e.DownloadUri, errorMessage, e.UserData);
OnDownloadFailure(this, downloadFailureEventArgs);
ReferencePool.Release(downloadFailureEventArgs);
return;
}
if (m_ResourceManager.DecompressCachedStream.Length != m_VersionListLength)
{
fileStream.Close();
string errorMessage = Utility.Text.Format("Latest version list length error, need '{0}', downloaded '{1}'.", m_VersionListLength.ToString(), m_ResourceManager.DecompressCachedStream.Length.ToString());
DownloadFailureEventArgs downloadFailureEventArgs = DownloadFailureEventArgs.Create(e.SerialId, e.DownloadPath, e.DownloadUri, errorMessage, e.UserData);
OnDownloadFailure(this, downloadFailureEventArgs);
ReferencePool.Release(downloadFailureEventArgs);
return;
}
fileStream.Position = 0L;
fileStream.SetLength(0L);
fileStream.Write(m_ResourceManager.DecompressCachedStream.GetBuffer(), 0, (int)m_ResourceManager.DecompressCachedStream.Length);
}
catch (Exception exception)
{
fileStream.Close();
string errorMessage = Utility.Text.Format("Unable to decompress latest version list '{0}' with error message '{1}'.", e.DownloadPath, exception.ToString());
DownloadFailureEventArgs downloadFailureEventArgs = DownloadFailureEventArgs.Create(e.SerialId, e.DownloadPath, e.DownloadUri, errorMessage, e.UserData);
OnDownloadFailure(this, downloadFailureEventArgs);
ReferencePool.Release(downloadFailureEventArgs);
return;
}
finally
{
m_ResourceManager.DecompressCachedStream.Position = 0L;
m_ResourceManager.DecompressCachedStream.SetLength(0L);
}
}
if (VersionListUpdateSuccess != null)
{
VersionListUpdateSuccess(e.DownloadPath, e.DownloadUri);
}
}