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[Qemu-devel] Re: [PATCH] Add HTTP protocol using curl

From: Anthony Liguori
Subject: [Qemu-devel] Re: [PATCH] Add HTTP protocol using curl
Date: Thu, 09 Apr 2009 16:37:53 -0500
User-agent: Thunderbird (X11/20090320)

Alexander Graf wrote:
Currently Qemu can read from posix I/O and NBD. This patch adds a
third protocol to the game: HTTP.

In certain situations it can be useful to access HTTP data directly,
for example if you want to try out an http provided OS image, but
don't know if you want to download it yet.

Using this patch you can now try it on on the fly. Just use it like:

qemu -cdrom http://host/path/my.iso

In order to not reinvent the wheel, this patch uses libcurl.

I have one of these too that reinvents the wheel. The main reason was to enable bdrv_aio_* implementations.

I'm happy to merge a version that uses libcurl but I don't want to merge it unless it's implementing bdrv_aio_. As far as I'm concerned, backends implementing bdrv_read/bdrv_write is deprecated.


Anthony Liguori

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