[Discuss] Understanding How to Implement a Custom Client

[Mischa Salle]

Hi Joshua,

On Tue, Sep 27, 2022 at 04:03:38PM +0000, Brown, Joshua via discuss wrote:
> I'm trying to create a custom client to use with GridFTP, I was hoping the community could point me in a good direction for getting started. I have been looking at the source code which is fairly well documented, but am unsure how to implement something really basic that conducts a transfer between two servers.
> 
> I didn't know if anyone had a useful basic blog post showing how to do this, or if there was a particular example in the source code that I should be looking at, really anything would be helpful.

I'm not aware of any examples or blogs. Others might though...

The client code is all in
https://github.com/gridcf/gct/tree/master/gridftp/client/source
which is the client library, see e.g. globus_ftp_client.h

It's used by e.g. globus-url-copy, which lives in the gass subdirectory
of the gct:
https://github.com/gridcf/gct/tree/master/gass/copy/source/globus_url_copy.c
That code is probably the easiest to check and see how to use the client
library to build a client.

Another client is uberftp, also now under the GCT:
https://github.com/gridcf/UberFTP/
but it is more standalone.

Hope this is (a little bit) helpful?

Best,
Mischa


> 
> Context
> What I am trying to do is have my application working as a client to a GridFTP server. My application asks the GridFTP server to execute a transfer between itself and another GridFTP server.
> 
> Best,
> 
> Joshua S. Brown
> Software Engineer
> Data Lifecycle and Scalable Workflows Group
> 
> Oak Ridge National Laboratory
> Office: 865.341.1896  |  Mobile: 720-645-6846
> brownjs at ornl.gov  |  https://www.ornl.gov/staff-profile/joshua-s-brown
> 

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