From: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com> To: Jason Andryuk <jandryuk@gmail.com> Cc: Stefano Stabellini <sstabellini@kernel.org>, Julien Grall <julien@xen.org>, Wei Liu <wl@xen.org>, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, George Dunlap <George.Dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <ian.jackson@eu.citrix.com>, xen-devel <xen-devel@lists.xenproject.org> Subject: Re: [Xen-devel] [PATCH v4 11/16] tools: add simple vchan-socket-proxy Date: Wed, 22 Jan 2020 00:09:49 +0100 Message-ID: <20200121230949.GU1314@mail-itl> (raw) In-Reply-To: <CAKf6xpuQ1iggu6Lz8bcAWpGL732bXf3qwO9HYSd+8ScsNN2wnA@mail.gmail.com> [-- Attachment #1.1: Type: text/plain, Size: 2209 bytes --] On Tue, Jan 21, 2020 at 02:43:03PM -0500, Jason Andryuk wrote: > On Tue, Jan 14, 2020 at 9:42 PM Marek Marczykowski-Górecki > <marmarek@invisiblethingslab.com> wrote: > > > > Add a simple proxy for tunneling socket connection over vchan. This is > > based on existing vchan-node* applications, but extended with socket > > support. vchan-socket-proxy serves both as a client and as a server, > > depending on parameters. It can be used to transparently communicate > > with an application in another domian that normally expose UNIX socket > > interface. Specifically, it's written to communicate with qemu running > > within stubdom. > > > > Server mode listens for vchan connections and when one is opened, > > connects to a pointed UNIX socket. Client mode listens on UNIX > > socket and when someone connects, opens a vchan connection. Only > > a single connection at a time is supported. > > > > Additionally, socket can be provided as a number - in which case it's > > interpreted as already open FD (in case of UNIX listening socket - > > listen() needs to be already called). Or "-" meaning stdin/stdout - in > > which case it is reduced to vchan-node2 functionality. > > > > Example usage: > > > > 1. (in dom0) vchan-socket-proxy --mode=client <DOMID> > > /local/domain/<DOMID>/data/vchan/1234 /run/qemu.(DOMID) > > > > 2. (in DOMID) vchan-socket-proxy --mode=server 0 > > /local/domain/<DOMID>/data/vchan/1234 /run/qemu.(DOMID) > > > > This will listen on /run/qemu.(DOMID) in dom0 and whenever connection is > > made, it will connect to DOMID, where server process will connect to > > /run/qemu.(DOMID) there. When client disconnects, vchan connection is > > terminated and server vchan-socket-proxy process also disconnects from > > qemu. > > > > Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> > > --- > > Looks good. A few typos and string updates below. Thanks, adjusted. > Reviewed-by: Jason Andryuk <jandryuk@gmail.com> -- Best Regards, Marek Marczykowski-Górecki Invisible Things Lab A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? [-- Attachment #1.2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --] [-- Attachment #2: Type: text/plain, Size: 157 bytes --] _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply index Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-15 2:39 [Xen-devel] [PATCH v4 00/16] Add support for qemu-xen runnning in a Linux-based stubdomain Marek Marczykowski-Górecki 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 01/16] Document ioemu MiniOS stubdomain protocol Marek Marczykowski-Górecki 2020-01-20 18:30 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 02/16] Document ioemu Linux " Marek Marczykowski-Górecki 2020-01-20 18:54 ` Jason Andryuk 2020-01-21 21:08 ` Marek Marczykowski-Górecki 2020-01-22 14:04 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 03/16] libxl: fix qemu-trad cmdline for no sdl/vnc case Marek Marczykowski-Górecki 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 04/16] libxl: Allow running qemu-xen in stubdomain Marek Marczykowski-Górecki 2020-01-20 18:56 ` Jason Andryuk 2020-01-21 21:12 ` Marek Marczykowski-Górecki 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 05/16] libxl: Handle Linux stubdomain specific QEMU options Marek Marczykowski-Górecki 2020-01-20 19:24 ` Jason Andryuk 2020-01-21 21:18 ` Marek Marczykowski-Górecki 2020-01-22 14:25 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 06/16] libxl: write qemu arguments into separate xenstore keys Marek Marczykowski-Górecki 2020-01-20 19:36 ` Jason Andryuk 2020-01-21 21:19 ` Marek Marczykowski-Górecki 2020-01-22 14:39 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 07/16] xl: add stubdomain related options to xl config parser Marek Marczykowski-Górecki 2020-01-20 19:41 ` Jason Andryuk 2020-01-21 21:22 ` Marek Marczykowski-Górecki 2020-01-22 14:39 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 08/16] tools/libvchan: notify server when client is connected Marek Marczykowski-Górecki 2020-01-20 19:44 ` Jason Andryuk 2020-01-21 21:28 ` Marek Marczykowski-Górecki 2020-01-22 14:43 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 09/16] libxl: add save/restore support for qemu-xen in stubdomain Marek Marczykowski-Górecki 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 10/16] tools: add missing libxenvchan cflags Marek Marczykowski-Górecki 2020-01-20 19:58 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 11/16] tools: add simple vchan-socket-proxy Marek Marczykowski-Górecki 2020-01-15 11:02 ` Jan Beulich 2020-01-16 17:11 ` Marek Marczykowski-Górecki 2020-01-17 8:13 ` Jan Beulich 2020-01-17 18:44 ` Rich Persaud 2020-01-17 18:56 ` Marek Marczykowski-Górecki 2020-01-21 19:43 ` Jason Andryuk 2020-01-21 23:09 ` Marek Marczykowski-Górecki [this message] 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 12/16] libxl: use vchan for QMP access with Linux stubdomain Marek Marczykowski-Górecki 2020-01-21 20:17 ` Jason Andryuk 2020-01-21 23:46 ` Marek Marczykowski-Górecki 2020-01-24 14:05 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 13/16] Regenerate autotools files Marek Marczykowski-Górecki 2020-01-15 21:57 ` Rich Persaud 2020-01-21 20:56 ` Marek Marczykowski-Górecki 2020-01-21 21:28 ` Rich Persaud 2020-01-22 8:57 ` Lars Kurth 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 14/16] libxl: require qemu in dom0 even if stubdomain is in use Marek Marczykowski-Górecki 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 15/16] libxl: ignore emulated IDE disks beyond the first 4 Marek Marczykowski-Górecki 2020-01-21 20:24 ` Jason Andryuk 2020-01-15 2:39 ` [Xen-devel] [PATCH v4 16/16] libxl: consider also qemu in stubdomain in libxl__dm_active check Marek Marczykowski-Górecki 2020-01-21 20:25 ` Jason Andryuk 2020-01-22 16:50 ` [Xen-devel] [PATCH v4 00/16] Add support for qemu-xen runnning in a Linux-based stubdomain Jason Andryuk
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