[
https://issues.apache.org/jira/browse/NET-652?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16334375#comment-16334375
]
Sebb commented on NET-652:
--------------------------
This is out of scope for NET, which is intended to be a low-level interface to
protocols such as FTP.
I think such retries belong in the calling code.
> Ftp Connection Resuming
> -----------------------
>
> Key: NET-652
> URL: https://issues.apache.org/jira/browse/NET-652
> Project: Commons Net
> Issue Type: Improvement
> Components: FTP
> Affects Versions: 3.6
> Reporter: chenzero
> Priority: Major
>
> In a unstable networking, it can not download a relative big file from FTP
> server.
> For most FTP servers, the "REST" command is supported, and can be used to
> specify the transfer starting offset.
> in additional, a progress data is saved at the end of the local fie.
> The format is: signature(32 bytes) + remoteFile timestamp(long) + transferred
> offset(long)
> so, the whole progress data is 48 bytes.
> if connection broken, the FtpClient will first read progress data from the
> local file
> and transfer resumed from the offset.
>
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
