protected void LoadList()
{
string strFileName =
System.IO.Path.Combine(MuleApplication.Instance.Preference.GetMuleDirectory(Mule.Preference.DefaultDirectoryEnum.EMULE_CONFIGDIR),
CLIENTS_MET_FILENAME);
if (!System.IO.File.Exists(strFileName))
{
return;
}
SafeBufferedFile file = null;
try
{
file =
MpdObjectManager.CreateSafeBufferedFile(strFileName,
System.IO.FileMode.Open,
System.IO.FileAccess.Read,
System.IO.FileShare.None);
byte version = file.ReadUInt8();
if (version != (byte)VersionsEnum.CREDITFILE_VERSION &&
version != (byte)VersionsEnum.CREDITFILE_VERSION_29)
{
file.Close();
return;
}
// everything is ok, lets see if the backup exist...
string strBakFileName =
System.IO.Path.Combine(MuleApplication.Instance.Preference.GetMuleDirectory(Mule.Preference.DefaultDirectoryEnum.EMULE_CONFIGDIR),
string.Format("{0}{1}", CLIENTS_MET_FILENAME, ".bak"));
uint dwBakFileSize = 0;
bool bCreateBackup = true;
if (System.IO.File.Exists(strBakFileName))
{
FileInfo fInfo = new FileInfo(strBakFileName);
dwBakFileSize = (uint)fInfo.Length;
if (dwBakFileSize > (uint)file.Length)
{
// the size of the backup was larger then the org. file, something is wrong here, don't overwrite old backup..
bCreateBackup = false;
}
}
//else: the backup doesn't exist, create it
if (bCreateBackup)
{
file.Close(); // close the file before copying
System.IO.File.Copy(strFileName, strBakFileName, true);
file = MpdObjectManager.CreateSafeBufferedFile(strFileName,
System.IO.FileMode.Open,
System.IO.FileAccess.Read,
System.IO.FileShare.None);
file.Seek(1, SeekOrigin.Begin); //set filepointer behind file version byte
}
uint count = file.ReadUInt32();
uint dwExpired = MpdUtilities.Time() - 12960000; // today - 150 day
uint cDeleted = 0;
for (uint i = 0; i < count; i++)
{
CreditStruct newcstruct = new CreditStruct();
if (version == (byte)VersionsEnum.CREDITFILE_VERSION_29)
{
ReadCreditStruct29a(file, newcstruct);
}
else
{
ReadCreditStruct(file, newcstruct);
}
if (newcstruct.nLastSeen < dwExpired)
{
cDeleted++;
continue;
}
ClientCredits newcredits =
MuleApplication.Instance.CoreObjectManager.CreateClientCredits(newcstruct);
clients_[new MapCKey(newcredits.Key)] = newcredits;
}
file.Close();
}
catch (Exception error)
{
MpdUtilities.DebugLogError(error);
file.Close();
}
}