Re: [SPDK] Posix framework on client

[Tom Rainey <tom.rainey at samsung.com>]

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Hi Jim, 

Thanks for the pointer.  That's what we needed.

-Tom

-----Original Message-----
From: SPDK [mailto:spdk-bounces(a)lists.01.org] On Behalf Of Harris, James R
Sent: Friday, September 27, 2019 2:04 PM
To: Storage Performance Development Kit <spdk(a)lists.01.org>
Subject: Re: [SPDK] Posix framework on client

Hi Tom,

This is most likely a link issue with your client application Makefile.  net_impls are activated via C constructor functions, so you need to use --whole_archive directives to ensure the linker doesn't optimize out the constructor function (since the constructor function isn't explicitly called anywhere).

See mk/spdk.app_vars.mk.  SPDK uses constructor functions for registration in a lot of places, so by default we wrap all SPDK libraries with --whole_archive directives to ensure constructors don't get optimized out during link phase.

Hope that helps - please report back how it goes!

Regards,

-Jim


On 9/27/19, 1:56 PM, "SPDK on behalf of Tom Rainey" <spdk-bounces(a)lists.01.org on behalf of tom.rainey(a)samsung.com> wrote:

    Hi,
    
    We are attempting to use TCP to connect to a remote target, however, we noticed that our posix socket layer is not being loaded.  When spdk_sock_connect is called, there does not seem to be any items in g_net_impls.
    
    How does g_net_impls get populated on the client side?   We've looked at the hello_sock sample and there doesn't seem to be anything tricky happening before spdk_sock_connect is called.
    
    Thanks,
    -Tom
    
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