Re: [PATCH v4 13/16] net: Make "info network" output more readable info

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On 2012-05-25 11:44, Zhi Yong Wu wrote:
> On Fri, May 25, 2012 at 10:40 PM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote:
>> On 2012-05-25 11:25, Zhi Yong Wu wrote:
>>>>> diff --git a/net/hub.c b/net/hub.c
>>>>> index 122de69..8c77d03 100644
>>>>> --- a/net/hub.c
>>>>> +++ b/net/hub.c
>>>>> @@ -184,6 +184,25 @@ NetClientState *net_hub_find_client_by_name(unsigned int hub_id,
>>>>>  }
>>>>>
>>>>>  /**
>>>>> + * Determine if one nc peers with one hub port
>>>>> + */
>>>>> +bool net_hub_port_peer_nc(NetClientState *nc)
>>>>> +{
>>>>> +    NetHub *hub;
>>>>> +    NetHubPort *port;
>>>>> +
>>>>> +    QLIST_FOREACH(hub, &hubs, next) {
>>>>> +        QLIST_FOREACH(port, &hub->ports, next) {
>>>>> +            if (nc == port->nc.peer) {
>>>>> +                return true;
>>>>> +            }
>>>>> +        }
>>>>> +    }
>>>>> +
>>>>> +    return false;
>>>>> +}
>>>>> +
>>>>> +/**
>>>>>   * Print hub configuration
>>>>>   */
>>>>>  void net_hub_info(Monitor *mon)
>>>>> @@ -194,8 +213,8 @@ void net_hub_info(Monitor *mon)
>>>>>      QLIST_FOREACH(hub, &hubs, next) {
>>>>>          monitor_printf(mon, "hub %u\n", hub->id);
>>>>>          QLIST_FOREACH(port, &hub->ports, next) {
>>>>> -            monitor_printf(mon, "    port %u peer %s\n", port->id,
>>>>> -                           port->nc.peer ? port->nc.peer->name : "<none>");
>>>>> +            monitor_printf(mon, "   \\ ");
>>> This will have the following layout:
>>> (qemu) info network
>>> hub 1
>>>    \ dump.0: type=dump,dump to qemu-vlan1.pcap (len=65536)
>>>    \ user.1: type=user,net=10.0.2.0,restrict=off
>>>    \ virtio-net-pci.0: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:58
>>> hub 0
>>>    \ user.0: type=user,net=10.0.2.0,restrict=off
>>>    \ e1000.0: type=nic,model=e1000,macaddr=52:54:00:12:34:57
>>> virtio-net-pci.1: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:56
>>>    \ ur: type=tap,ifname=tap0,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown
>>> ^^^
>>>>
>>>> Two space too much of indention (you remove them above for the existing
>>> It is three space, not two.
>>>> peer \ peer outputs).
>>> Do you mean that it should be like "monitor_printf(mon, "\\ ");" but
>>> this indention will not match with those peers in hub case.
>>
>> This line is for printing peers attached to a hub, isn't it? So it
> Yeah, but it is three spaces, not one. You can check the code in
> do_info_network. For non-hub peers, it is also three spaces.

Then non-hub needs adjustment to a single space as well. Just remove the
two spaces I added to indent the categories (VLAN vs. non-VLAN listing)
for _both_ peer lines.

(I love nit-picking discussions :) )

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
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