On 15.04.2015 15:07, John Ferlan wrote:
>
>
> On 04/15/2015 05:51 AM, Michal Privoznik wrote:
>> Throughout the code, we have several places need to construct a path
>> somewhere in /sys/class/net/... They are not consistent and nearly
>> each code piece invents its own way how to do it. So unify this by:
>>
>> 1) use virNetDevSysfsFile() wherever possible
>>
>> 2) At least use common macro SYSFS_NET_DIR declared in virnetdev.h at
>> the rest of places which can't go with 1)
>>
>> Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
>> ---
>> src/Makefile.am | 4 ++--
>> src/parallels/parallels_network.c | 3 +--
>> src/util/virnetdev.c | 5 ++---
>> src/util/virnetdev.h | 2 ++
>> src/util/virnetdevbridge.c | 1 -
>> src/util/virnetdevmacvlan.c | 28 ++++++++++++++--------------
>> 6 files changed, 21 insertions(+), 22 deletions(-)
>>
>
> One more place w/ /sys/class/net: src/util/virnetdevveth.c
> (cscope egrep search)
>
>> diff --git a/src/Makefile.am b/src/Makefile.am
>> index 91a4c17..3c9eac6 100644
>> --- a/src/Makefile.am
>> +++ b/src/Makefile.am
>> @@ -1383,8 +1383,8 @@ noinst_LTLIBRARIES += libvirt_driver_parallels.la
>> libvirt_la_BUILT_LIBADD += libvirt_driver_parallels.la
>> libvirt_driver_parallels_la_CFLAGS = \
>> -I$(srcdir)/conf $(AM_CFLAGS) \
>> - $(PARALLELS_SDK_CFLAGS)
>> -libvirt_driver_parallels_la_LIBADD = $(PARALLELS_SDK_LIBS)
>> + $(PARALLELS_SDK_CFLAGS) $(LIBNL_CFLAGS)
>> +libvirt_driver_parallels_la_LIBADD = $(PARALLELS_SDK_LIBS) $(LIBNL_LIBS)
>> libvirt_driver_parallels_la_SOURCES = $(PARALLELS_DRIVER_SOURCES)
>> endif WITH_PARALLELS
>>
>> diff --git a/src/parallels/parallels_network.c b/src/parallels/parallels_network.c
>> index 47f4886..47353a7 100644
>> --- a/src/parallels/parallels_network.c
>> +++ b/src/parallels/parallels_network.c
>> @@ -28,6 +28,7 @@
>> #include "viralloc.h"
>> #include "virerror.h"
>> #include "virfile.h"
>> +#include "virnetdev.h"
>> #include "md5.h"
>> #include "parallels_utils.h"
>> #include "virstring.h"
>> @@ -39,8 +40,6 @@
>> virReportErrorHelper(VIR_FROM_TEST, VIR_ERR_OPERATION_FAILED, __FILE__, \
>> __FUNCTION__, __LINE__, _("Can't parse prlctl output"))
>>
>> -#define SYSFS_NET_DIR "/sys/class/net"
>> -
>> static int parallelsGetBridgedNetInfo(virNetworkDefPtr def, virJSONValuePtr jobj)
>> {
>> const char *ifname;
>
> Technically - looks fine; however, does requiring the parallels driver
> to link against libnl just to get a symbol seem reasonable? It's another
> dependency right?
>
> I would think it's 'safer' to change the call:
>
> - if (virAsprintf(&bridgeLink, "%s/%s/brport/bridge",
> - SYSFS_NET_DIR, ifname) < 0)
> + if (virNetDevSysfsFile(&bridgeLink, ifname, "brport/bridge")) < 0)
>
That would not help much. The Makefile.am change (dragging in
LIBNL_CFLAGS) is basically due to include of virnetdev.h, which includes
virnetlink.h, which includes (conditionally) netlink/msg.h.
I've fixed the nits you pointed out and pushed. Thanks!
Michal
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