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Re: Reg curl tftp upload issue

From: murugan balraj via curl-users <curl-users_at_cool.haxx.se>
Date: Mon, 11 May 2020 18:13:54 +0530

Hi,

Any comments/views on the issue faced. Please share. Thanks.

Regards ,
Murugan

On Thu, May 7, 2020 at 4:58 PM murugan balraj <murugan3732_at_gmail.com> wrote:

> Hi ,
>
> I am facing issue in curl tftp upload. Upload stops after reaching some
> percentage.
> Curl progress stops, stays in the same percentage till the timeout happens
> (300 seconds).
>
> curl -T logfile tftp://135.249.31.96/ -#
> ###################
> 15.0%
> #
>
> *linux machine1 ( curl tftp client ) --> linux macine2 tftp-hpa 5.2
> server*
>
> The issue is not observed on all the linux machines that i have tried. 1
> machine this issue is observed for now.
>
> *Observations :*
> -The upload file size is around ~50 mb.
> -Upload transfer rate between the tftp client & tftp server is between the
> range of 200kbps - 700kbps.
> -For different block size (curl --tftp-blksize option : 512, 1024, 2048)..
> Same issue observed.
> -During problematic upload : tftp upload was resuming when making the tftp
> server interface down & up.
> -When try capturing the logs using strace the slow tftp issue is not
> reproducing. Curl upload is reaching 100 %.
> *strace -s 512 -o /tmp/curl-strace-tftp curl -T logfile
> tftp://135.249.31.96/ <http://135.249.31.96/> -#*
> -Tried changing tftp server (linux macine2 tftp-hpa 5.2 server) -->
> (Windows TFTP server). Curl tftp upload was successful.
>
> -tftp upload using linux *"busybox tftp" *for the same file worked. File
> upload was successful.
>
> Note : curl tftp download behaviour is not checked yet (with the linux
> macine2 tftp-hpa 5.2 server). Yet to check this.
>
> *curl version :*
> ~ # curl --version
> curl 7.68.0 (mips64-buildroot-linux-gnu) libcurl/7.68.0 OpenSSL/1.0.2q
> zlib/1.2.11 libssh2/1.9.0
> Release-Date: 2020-01-08
> Protocols: file ftp ftps http https scp sftp tftp
> Features: AsynchDNS HTTPS-proxy IPv6 Largefile libz NTLM SSL TLS-SRP
> UnixSockets
> ~ #
>
> Please share your views/directions. Thanks.
>
> Regards ,
> Murugan
>

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Received on 2020-05-11