> On March 30, 2014, 6:07 p.m., Cong Wang wrote:
> > src/linux/routing.cpp, line 271
> > <https://reviews.apache.org/r/19702/diff/4/?file=540352#file540352line271>
> >
> >     We already moved to the new API to create a veth pair: 
> > rtnl_link_veth_add().
> 
> Jie Yu wrote:
>     I have two reasons not using rtnl_link_veth_add() here:
>     
>     1) rtnl_link_veth_add() requires a 'pid' argument. For testing purpose, I 
> need a version that does not require 'pid' to be passed in.
>     
>     2) I need a way to call rtnl_link_add with flag: NLM_F_CREATE | 
> NLM_F_EXCL so that we only create the veth pair if it does not exist and we 
> need a way to detect that (i.e., returning -NLE_EXIST if exists).

1) Just pass getpid(), that is the current netns. It is designed for this.
2) I think I should change the flags to rtnl_link_veth_add(), 
NLM_F_CREATE|NLM_F_EXCL makes sense for it.

So, just use it.


- Cong


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/19702/#review39009
-----------------------------------------------------------


On March 29, 2014, 5:59 a.m., Jie Yu wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/19702/
> -----------------------------------------------------------
> 
> (Updated March 29, 2014, 5:59 a.m.)
> 
> 
> Review request for mesos, Benjamin Hindman, Chi Zhang, Ian Downes, Vinod 
> Kone, and Cong Wang.
> 
> 
> Repository: mesos-git
> 
> 
> Description
> -------
> 
> UPDATE:
> 
> 1) adjusted a few interfaces per review comments.
> 2) added impl. (including tests) for managing links.
> 
> I'll be adding impl. for managing filters soon (currently, they return 
> Error("Unimplemented").)
> 
> 
> ------
> 
> Hey guys, I send this review in order to get an idea about the interface 
> design.
> 
> Feel free to jump in to express your thoughts, suggestions, concerns, etc.
> 
> Thanks!
> 
> 
> Diffs
> -----
> 
>   configure.ac 5404dc2 
>   src/Makefile.am 47d03b3 
>   src/linux/routing.hpp PRE-CREATION 
>   src/linux/routing.cpp PRE-CREATION 
>   src/tests/routing_tests.cpp PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/19702/diff/
> 
> 
> Testing
> -------
> 
> make check
> 
> sudo make check
> 
> 
> Thanks,
> 
> Jie Yu
> 
>

Reply via email to