[systemd-devel] Can kdbus send signal to the source connection?

[David Herrmann]

Hi

On Tue, Jun 16, 2015 at 9:35 AM, eshark <eshark77 at 163.com> wrote:
> Hi,
>
>
> At 2015-06-15 22:32:27, "Lennart Poettering" <lennart at poettering.net> wrote:
>>On Mon, 15.06.15 19:05, eshark (eshark77 at 163.com) wrote:
>>
>>> Hi, All,
>>>        If I post this email to the wrong mail-list, please tell me, thank
>>> you.
>>>
>>>        Now many JS applications implement the client and service in the
>>> same thread, so they share the same connection too.
>>>
>>> However when the client or the service want to send signal to the other,
>>> the receiver cannot get the signal because the kdbus driver
>>>
>>> won't broadcast the signal to the source connection.
>>>
>>>       I've tried to simply allow the kdbus driver to send signal to all
>>> the connections including the source , but it seems not work OK.
>>>
>>> I wonder that how I can make kdbus send signal to the source connection,
>>> or that this is impossible ?
>>
>>I am not dure I follow. Are you developing a native kdbus client
>>library for JS?
> Yes, we already have a library based on DBus, and I'm migrating it to KDBus.
>
>>
>>Did I get this right, you have one bus connection per thread, but
>>possibly both a kdbus client and its service run from the server, and
>>you want broadcast msgs sent out from one to then also be matchable by
>>the other?
> Yes.  And I've tried removing the condition in kdbus_bus_broadcast(), as
> David  said.
> But this modification caused that the network module of our system cannot
> work OK,  it's very strange ,
> and I'm not familiar with the network module, so I  haven't find the root
> cause.
> Maybe it has nothing to do with KDBus? I am not sure.

Can you be more specific, please? What do you mean by "network module
of our systemd cannot work OK"?

Thanks
David