Re: [PATCH 2/3] virsh: Use VIR_ENUM* macros for vshCmdAttachInterface

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On 02/09/2015 08:19 AM, Ján Tomko wrote:
> On Mon, Feb 09, 2015 at 10:58:29AM +0100, Michal Privoznik wrote:
>> Instead of verbose string to enum conversion (if STREQ() else if
>> STREQ() else if STREQ() ...) lets use awesome VIR_ENUM_* macros.
>>
>> Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
>> ---
>>  tools/virsh-domain.c | 28 ++++++++++++++++++----------
>>  1 file changed, 18 insertions(+), 10 deletions(-)
>>
>> diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
>> index b465eb5..c7e4926 100644
>> --- a/tools/virsh-domain.c
>> +++ b/tools/virsh-domain.c
>> @@ -855,10 +855,16 @@ static int parseRateStr(const char *rateStr, virNetDevBandwidthRatePtr rate)
>>  }
>>  
>>  typedef enum {
>> -    IFACE_TYPE_NETWORK,
>> +    IFACE_TYPE_NETWORK = 0,
>>      IFACE_TYPE_BRIDGE,
>> +    IFACE_TYPE_LAST,
>>  } vshCmdAttachInterfaceType;
>>  
>> +VIR_ENUM_DECL(vshCmdAttachInterface)
>> +VIR_ENUM_IMPL(vshCmdAttachInterface, IFACE_TYPE_LAST,
>> +              "network",
>> +              "bridge")
>> +
>>  static bool
>>  cmdAttachInterface(vshControl *ctl, const vshCmd *cmd)
>>  {
>> @@ -906,11 +912,7 @@ cmdAttachInterface(vshControl *ctl, const vshCmd *cmd)
>>          goto cleanup;
>>  
>>      /* check interface type */
>> -    if (STREQ(type, "network")) {
>> -        typ = IFACE_TYPE_NETWORK;
>> -    } else if (STREQ(type, "bridge")) {
>> -        typ = IFACE_TYPE_BRIDGE;
>> -    } else {
>> +    if ((typ = vshCmdAttachInterfaceTypeFromString(type)) < 0) {
>>          vshError(ctl, _("No support for %s in command 'attach-interface'"),
>>                   type);
>>          goto cleanup;
>> @@ -943,10 +945,16 @@ cmdAttachInterface(vshControl *ctl, const vshCmd *cmd)
>>      virBufferAsprintf(&buf, "<interface type='%s'>\n", type);
> Here, the type argument is already assumed to use values from the virDomainNetType enum.
> I think we can reuse that type here, instead of creating a new enum.

Except that virDomainNetType is not a part of libvirt's public API, and
so is not available to an application program like virsh.


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