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Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2 |
Date: |
Wed, 06 May 2009 15:50:27 +0200 |
User-agent: |
Thunderbird 2.0.0.21 (X11/20090320) |
Daniel P. Berrange schrieb:
> All I care about from libvirt POV, is that there is a way to give QEMU an
> absolute file path for a disk, and guarentee that QEMU will treat this as
> a local file path, and not try any access protocols, other than 'open(2)'.
> Various options from this thread....
>
> - Treat any path starting with / as local file
> - Allow file: as a prefix
> - Allow file:/// as a prefix, real URI style
> - Add a protocol=file flag to -drive
>
> Pick one, pick several, suggest more. Any of these options would work as
> far as I'm concerned, and we could easily support several. I think the
> first is desirable because that's the natural thing users will try when
> launching QEMU directly.
I think we all agree that file: is a reasonable option for libvirt which
covers all cases of colons (even relative paths starting with http:), so
let's take this one. If you want to magically do the right thing for
users invoking qemu manually, I think we should rather go for:
5) Treat anything as local file which has a protocol prefix that doesn't
match a known protocol
This would mean that vvfat:xyz uses the vvfat protocol, but foo:bar is a
local file because the protocol foo doesn't exist. I think this variant
is less confusing magic than checking for a completely unrelated
character like /.
Kevin
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, (continued)
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Alexander Graf, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Daniel P. Berrange, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Alexander Graf, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Anthony Liguori, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Avi Kivity, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Anthony Liguori, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, François Revol, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Anthony Liguori, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Daniel P. Berrange, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Anthony Liguori, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2,
Kevin Wolf <=
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Anthony Liguori, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Kevin Wolf, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Anthony Liguori, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Alexander Graf, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Avi Kivity, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Anthony Liguori, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Jamie Lokier, 2009/05/08
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Kevin Wolf, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Anthony Liguori, 2009/05/06
- Re: [Qemu-devel] [PATCH] Add HTTP protocol using curl v2, Jamie Lokier, 2009/05/06