/**
* download file from storage server
*
* @param file_id the file id(including group name and filename)
* @param callback the callback object, will call callback.recv() when data arrive
* @return 0 success, return none zero errno if fail
*/
public int download_file1(String file_id, IDownloadCallback callback)
{
long file_offset = 0;
long download_bytes = 0;
return(this.download_file1(file_id, file_offset, download_bytes, callback));
}
public static async Task DownloadFileAsync(StorageNode storageNode, string fileName,
IDownloadCallback downloadCallback,
long offset = 0,
long length = 0)
{
await DOWNLOAD_FILE.Instance
.GetRequest(storageNode,
fileName,
Tuple.Create(offset, length),
downloadCallback)
.GetResponseAsync <DOWNLOAD_FILE.Response>();
}
/**
* download file from storage server
*
* @param file_id the file id(including group name and filename)
* @param file_offset the start offset of the file
* @param download_bytes download bytes, 0 for remain bytes from offset
* @param callback the callback object, will call callback.recv() when data arrive
* @return 0 success, return none zero errno if fail
*/
public int download_file1(String file_id, long file_offset, long download_bytes, IDownloadCallback callback)
{
String[] parts = new String[2];
this.errno = split_file_id(file_id, parts);
if (this.errno != 0)
{
return(this.errno);
}
return(this.download_file(parts[0], parts[1], file_offset, download_bytes, callback));
}