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Re: [Qemu-devel] [RFC 00/11]: QMP feature negotiation support

From: Anthony Liguori
Subject: Re: [Qemu-devel] [RFC 00/11]: QMP feature negotiation support
Date: Fri, 22 Jan 2010 12:00:36 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20091209 Fedora/3.0-4.fc12 Lightning/1.0pre Thunderbird/3.0

On 01/21/2010 03:09 PM, Luiz Capitulino wrote:
{"QMP": {"capabilities": ["async messages"]}}

{ "execute": "query-qmp-mode" }
{"return": {"mode": "handshake"}}

{ "execute": "change", "arguments": { "device": "vnc", "target": "password", "arg": 
"1234" } }
{"error": {"class": "QMPInvalidModeCommad", "desc": "The issued command is invalid in this 
mode", "data": {}}}

{ "execute": "async_msg_enable", "arguments": { "name": "STOP" } }
{"return": {}}


enable-capability "async messages"
disable-capability "async messages"

I think that's a bit more obvious and it means that a client doesn't have to maintain a mapping of features -> enable functions. It's also strange to use an enable command to disable something.


Anthony Liguori

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