From: Anthony Liguori <anthony@codemonkey.ws>
To: Michael Roth <mdroth@linux.vnet.ibm.com>
Cc: aliguori@linux.vnet.ibm.com,
Anthony Liguori <aliguori@us.ibm.com>,
agl@linux.vnet.ibm.com, qemu-devel@nongnu.org,
Jes.Sorensen@redhat.com
Subject: Re: [Qemu-devel] Re: [RFC][PATCH v1 07/12] qmp proxy: core code for proxying qmp requests to guest
Date: Mon, 28 Mar 2011 14:05:29 -0500 [thread overview]
Message-ID: <4D90DBF9.2050700@codemonkey.ws> (raw)
In-Reply-To: <4D8D0F79.6030005@linux.vnet.ibm.com>
On 03/25/2011 04:56 PM, Michael Roth wrote:
>> I don't quite follow what this is doing.
>>
>
>
> That's for the session negotiation so we can reset state when the
> guest agent restarts. The sequence is:
>
> guest -> host
> { "_xport_event": "guest_init", "_xport_arg_sid": <random session id> }
>
> host -> guest
> { "_xport_event": "host_ack", "_xport_arg_sid": <received session id> }
>
> Guest will ignore anything it gets until it sees an ack with the
> proper session id, host will cancel outstanding requests when it
> receives a guest init. If there's already an event waiting to be sent
> we clobber it since for the above exchange only the most recent event
> we sent matters.
>
> We send them as json objects, but they get handled at transport level
> and terminate there.
Doesn't an invalid UTF-8 sequence provide the same functionality?
Regards,
Anthony Liguori
next prev parent reply other threads:[~2011-03-28 19:05 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-25 19:47 [Qemu-devel] [RFC][PATCH v1 00/11] QEMU Guest Agent: QMP-based host/guest communication (virtagent) Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 01/12] json-lexer: make lexer error-recovery more deterministic Michael Roth
2011-03-25 21:18 ` [Qemu-devel] " Anthony Liguori
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 02/12] json-streamer: add handling for JSON_ERROR token/state Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 03/12] json-parser: add handling for NULL token list Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 04/12] qapi: fix function name typo in qmp-gen.py Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 05/12] qapi: fix handling for null-return async callbacks Michael Roth
2011-03-25 21:22 ` [Qemu-devel] " Anthony Liguori
2011-03-28 16:47 ` Luiz Capitulino
2011-03-28 17:01 ` Anthony Liguori
2011-03-28 17:06 ` Luiz Capitulino
2011-03-28 17:19 ` Anthony Liguori
2011-03-28 17:27 ` Luiz Capitulino
2011-03-28 17:39 ` Anthony Liguori
2011-03-28 17:59 ` Michael Roth
2011-03-28 18:27 ` Anthony Liguori
2011-03-28 20:42 ` Michael Roth
2011-03-28 20:45 ` Anthony Liguori
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 06/12] qmp proxy: build qemu with guest proxy dependency Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 07/12] qmp proxy: core code for proxying qmp requests to guest Michael Roth
2011-03-25 21:27 ` [Qemu-devel] " Anthony Liguori
2011-03-25 21:56 ` Michael Roth
2011-03-28 19:05 ` Anthony Liguori [this message]
2011-03-28 19:57 ` Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 08/12] qemu-char: add qmp_proxy chardev Michael Roth
2011-03-25 21:29 ` [Qemu-devel] " Anthony Liguori
2011-03-25 22:11 ` Michael Roth
2011-03-28 17:45 ` Anthony Liguori
2011-03-29 18:54 ` Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 09/12] guest agent: core marshal/dispatch interfaces Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 10/12] guest agent: qemu-ga daemon Michael Roth
2011-04-01 9:45 ` [Qemu-devel] " Jes Sorensen
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 11/12] guest agent: guest-side command implementations Michael Roth
2011-03-25 19:47 ` [Qemu-devel] [RFC][PATCH v1 12/12] guest agent: build qemu-ga, add QEMU-wide gio dep Michael Roth
2011-03-25 20:42 ` [Qemu-devel] Re: [RFC][PATCH v1 00/11] QEMU Guest Agent: QMP-based host/guest communication (virtagent) Michael Roth
2011-03-25 22:03 ` Anthony Liguori
2011-03-25 22:36 ` Michael Roth
2011-03-28 17:03 ` Anthony Liguori
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