On May 17, 2014, at 1:08 AM, Daniel Stenberg <[email protected]> wrote:

> On Fri, 16 May 2014, Jeremy Friesner wrote:
> 
>> The problem I ran into today involves the scenario when there isn't enough 
>> drive-space free on the remote machine to hold the entire 152MB file.  What 
>> I would expect to have happen in this case is for libssh2_channel_write() to 
>> return an error-code at some point to indicate the failure, but the behavior 
>> I observe instead is that libssh2_channel_write() keeps on behaving normally 
>> (i.e. returning positive values or -1/LIBSSH2_ERROR_EGAIN, since I'm using 
>> non-blocking I/O), as if the file transfer was working fine.
> 
> I would expect that to happen as well. Your server obviously doesn't return 
> any error for this...
> 
>> I note that scp did detect the error, but not until *after* it had already 
>> uploaded all 152MB to the server.
> 
> Which sounds like a sympthom of the same thing.

Yes, I expect it is — OTOH, the scp client was able to print the appropriate 
error message, so it must be doing something that my program doesn’t do, in 
order to do that.

>> Otherwise, where are all those bytes of data being placed during the upload?
> 
> That would be a question to whoever did the server you're talking to that 
> eats the bytes.

The server is the sshd that ships with Debian Linux; I’m not very clear about 
who to contact about that…

Jeremy


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