/// <summary>
/// 开始异步更新持久化数据文件
/// </summary>
public void UpdatePersistentFilesAsync(string sourcePath)
{
if (_deletedcount > 0)
{
//先删除已经丢弃的文件
foreach (var item in _deletedFiles)
{
if (File.Exists(PersistentBase + item.FullPath))
{
File.Delete(PersistentBase + item.FullPath);
}
}
}
if (ModifiedFiles > 0)
{
foreach (var md5filedata in _latestFiles)
{
DebugConsole.Info("Begin update [" + md5filedata.FullPath + "] !");
FileReader reader = FileReader.CreateReader(sourcePath, md5filedata.FullPath, FileReader.FileType.REMOTE);
reader.OnReadCompleted = (rd) =>
{
FileWriter writer = new PersistentFileWriter(rd.ByteData, PersistentBase + rd.FilePath);
writer.OnWriteCompleted = OnWirteComplete;
writer.WriteAsync();
};
reader.ReadAsync();
}
}
else
{
UpdateCompleted = true;
}
}
void On_Write_Callback(IAsyncResult iar)
{
PersistentFileWriter pfw = iar.AsyncState as PersistentFileWriter;
try
{
pfw.WriteStream.EndWrite(iar);
if (iar.IsCompleted)
{
pfw.WriteStream.Flush();
this.OnCompleted();
}
}
catch (Exception e)
{
this.OnError(e.Message);
}
finally
{
pfw.WriteStream.Close();
pfw.WriteStream.Dispose();
pfw.WriteStream = null;
}
}
