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From: Eric Blake <eblake@redhat.com>
To: Martin Cerveny <M.Cerveny@computer.org>
Cc: qemu-devel@nongnu.org, qemu-trivial@nongnu.org,
	"Markus Armbruster" <armbru@redhat.com>,
	"Luiz Capitulino" <lcapitulino@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-trivial] [Qemu-devel] [PATCH 1/2] scripts: qom-*: add network syntax
Date: Tue, 19 May 2015 08:17:06 -0600	[thread overview]
Message-ID: <555B45E2.5090008@redhat.com> (raw)
In-Reply-To: <alpine.GSO.2.00.1505191601120.6069@dmz.c-home.cz>

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On 05/19/2015 08:12 AM, Martin Cerveny wrote:
> Hello.
> 
> On Tue, 19 May 2015, Eric Blake wrote:
>> On 05/19/2015 06:51 AM, Andreas Färber wrote:
>>> Am 13.05.2015 um 14:14 schrieb Martin Cerveny:
>>>> Add network syntax parsing (ip address, port) to qom-* scripts.
>>>>
>>>> Signed-off-by: Martin Cerveny <M.Cerveny@computer.org>
>>>> ---
>>>>  scripts/qmp/qom-fuse |   13 ++++++++++++-
>>>>  scripts/qmp/qom-get  |   12 +++++++++++-
>>>>  scripts/qmp/qom-list |   12 +++++++++++-
>>>>  scripts/qmp/qom-set  |   12 +++++++++++-
>>>>  scripts/qmp/qom-tree |   12 +++++++++++-
>>>>  5 files changed, 56 insertions(+), 5 deletions(-)
>>>
>>> Could some Python guru please take a look at this?

>>>> +if len(connection) == 2:
>>>> +    try:
>>>> +         port = int(connection[1])
>>>> +    except ValueError:
>>>> +         raise QMPBadPort
>>>> +    connection = ( connection[0], port )
>>
>> Won't that mishandle IPv6 connections, such as something like [::1]:8000
>> for connecting to port 8000 on localhost, since it splits into more than
>> 2 pieces when splitting on :?
> 
> Yes, this is problem, but I copy-paste the same construct from
> scripts/qmp/qmp-shell to be compatible.

Might be worth mentioning that, as justification in the commit message.

> Is the IPv6 support for utilities mandatory ?

I don't have any strong feelings about it (I'm okay if you don't).  But
others might.

> If yes I can make V2.

If so, it would be good to fix qmp-shell, too - which makes it sound
like it would be a separate commit.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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WARNING: multiple messages have this Message-ID (diff)
From: Eric Blake <eblake@redhat.com>
To: Martin Cerveny <M.Cerveny@computer.org>
Cc: qemu-devel@nongnu.org, qemu-trivial@nongnu.org,
	"Markus Armbruster" <armbru@redhat.com>,
	"Luiz Capitulino" <lcapitulino@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH 1/2] scripts: qom-*: add network syntax
Date: Tue, 19 May 2015 08:17:06 -0600	[thread overview]
Message-ID: <555B45E2.5090008@redhat.com> (raw)
In-Reply-To: <alpine.GSO.2.00.1505191601120.6069@dmz.c-home.cz>

[-- Attachment #1: Type: text/plain, Size: 1683 bytes --]

On 05/19/2015 08:12 AM, Martin Cerveny wrote:
> Hello.
> 
> On Tue, 19 May 2015, Eric Blake wrote:
>> On 05/19/2015 06:51 AM, Andreas Färber wrote:
>>> Am 13.05.2015 um 14:14 schrieb Martin Cerveny:
>>>> Add network syntax parsing (ip address, port) to qom-* scripts.
>>>>
>>>> Signed-off-by: Martin Cerveny <M.Cerveny@computer.org>
>>>> ---
>>>>  scripts/qmp/qom-fuse |   13 ++++++++++++-
>>>>  scripts/qmp/qom-get  |   12 +++++++++++-
>>>>  scripts/qmp/qom-list |   12 +++++++++++-
>>>>  scripts/qmp/qom-set  |   12 +++++++++++-
>>>>  scripts/qmp/qom-tree |   12 +++++++++++-
>>>>  5 files changed, 56 insertions(+), 5 deletions(-)
>>>
>>> Could some Python guru please take a look at this?

>>>> +if len(connection) == 2:
>>>> +    try:
>>>> +         port = int(connection[1])
>>>> +    except ValueError:
>>>> +         raise QMPBadPort
>>>> +    connection = ( connection[0], port )
>>
>> Won't that mishandle IPv6 connections, such as something like [::1]:8000
>> for connecting to port 8000 on localhost, since it splits into more than
>> 2 pieces when splitting on :?
> 
> Yes, this is problem, but I copy-paste the same construct from
> scripts/qmp/qmp-shell to be compatible.

Might be worth mentioning that, as justification in the commit message.

> Is the IPv6 support for utilities mandatory ?

I don't have any strong feelings about it (I'm okay if you don't).  But
others might.

> If yes I can make V2.

If so, it would be good to fix qmp-shell, too - which makes it sound
like it would be a separate commit.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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  reply	other threads:[~2015-05-19 14:17 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-13 12:14 [Qemu-trivial] [PATCH 0/2] Some fixes to qom scripts Martin Cerveny
2015-05-13 12:14 ` [Qemu-devel] " Martin Cerveny
2015-05-13 12:14 ` [Qemu-trivial] [PATCH 1/2] scripts: qom-*: add network syntax Martin Cerveny
2015-05-13 12:14   ` [Qemu-devel] " Martin Cerveny
2015-05-19 12:51   ` [Qemu-trivial] " Andreas Färber
2015-05-19 12:51     ` Andreas Färber
2015-05-19 13:56     ` [Qemu-trivial] " Eric Blake
2015-05-19 13:56       ` Eric Blake
2015-05-19 14:12       ` [Qemu-trivial] " Martin Cerveny
2015-05-19 14:12         ` Martin Cerveny
2015-05-19 14:17         ` Eric Blake [this message]
2015-05-19 14:17           ` Eric Blake
2015-05-19 14:23           ` [Qemu-trivial] " Andreas Färber
2015-05-19 14:23             ` Andreas Färber
2015-05-19 14:16   ` [Qemu-trivial] " Daniel P. Berrange
2015-05-19 14:16     ` Daniel P. Berrange
2015-05-13 12:14 ` [Qemu-trivial] [PATCH 2/2] scripts: qom-tree: add support of path as argument Martin Cerveny
2015-05-13 12:14   ` [Qemu-devel] " Martin Cerveny
2015-05-14 10:00   ` [Qemu-trivial] " Paolo Bonzini
2015-05-14 10:00     ` [Qemu-devel] " Paolo Bonzini
2015-05-14 11:41     ` [Qemu-trivial] " Martin Cerveny
2015-05-14 11:41       ` [Qemu-devel] " Martin Cerveny
2015-05-14 11:47       ` [Qemu-trivial] " Paolo Bonzini
2015-05-14 11:47         ` [Qemu-devel] " Paolo Bonzini
2015-05-19 12:47         ` [Qemu-trivial] " Andreas Färber
2015-05-19 12:47           ` Andreas Färber

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