[Spice-devel] [PATCH] Basic SPICE port implementation
Pavel Grunt
pgrunt at redhat.com
Wed Oct 5 06:06:25 UTC 2016
Hi Oliver,
it looks good to me :)
Acked-by: Pavel Grunt <pgrunt at redhat.com>
Thanks,
Pavel
On Mon, 2016-10-03 at 14:09 +0200, Oliver Gutierrez wrote:
> ---
> enums.js | 9 ++++++
> main.js | 3 ++
> port.js | 85
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> spice.html | 13 +++++++++
> spice_auto.html | 13 +++++++++
> spicemsg.js | 18 ++++++++++++
> utils.js | 7 +++++
> 7 files changed, 148 insertions(+)
> create mode 100644 port.js
>
> diff --git a/enums.js b/enums.js
> index 301fea0..b6e013c 100644
> --- a/enums.js
> +++ b/enums.js
> @@ -166,6 +166,15 @@ var SPICE_MSG_PLAYBACK_VOLUME = 105;
> var SPICE_MSG_PLAYBACK_MUTE = 106;
> var SPICE_MSG_PLAYBACK_LATENCY = 107;
>
> +var SPICE_MSG_SPICEVMC_DATA = 101;
> +var SPICE_MSG_PORT_INIT = 201;
> +var SPICE_MSG_PORT_EVENT = 202;
> +var SPICE_MSG_END_PORT = 203;
> +
> +var SPICE_MSGC_SPICEVMC_DATA = 101;
> +var SPICE_MSGC_PORT_EVENT = 201;
> +var SPICE_MSGC_END_PORT = 202;
> +
> var SPICE_PLAYBACK_CAP_CELT_0_5_1 = 0;
> var SPICE_PLAYBACK_CAP_VOLUME = 1;
> var SPICE_PLAYBACK_CAP_LATENCY = 2;
> diff --git a/main.js b/main.js
> index 874a038..2d8a1ff 100644
> --- a/main.js
> +++ b/main.js
> @@ -59,6 +59,7 @@ function SpiceMainConn()
> this.file_xfer_tasks = {};
> this.file_xfer_task_id = 0;
> this.file_xfer_read_queue = [];
> + this.ports = [];
> }
>
> SpiceMainConn.prototype = Object.create(SpiceConn.prototype);
> @@ -154,6 +155,8 @@ SpiceMainConn.prototype.process_channel_message
> = function(msg)
> this.cursor = new SpiceCursorConn(conn);
> else if (chans.channels[i].type ==
> SPICE_CHANNEL_PLAYBACK)
> this.cursor = new SpicePlaybackConn(conn);
> + else if (chans.channels[i].type == SPICE_CHANNEL_PORT)
> + this.ports.push(new SpicePortConn(conn));
> else
> {
> if (! ("extra_channels" in this))
> diff --git a/port.js b/port.js
> new file mode 100644
> index 0000000..ee22073
> --- /dev/null
> +++ b/port.js
> @@ -0,0 +1,85 @@
> +"use strict";
> +/*
> + Copyright (C) 2016 by Oliver Gutierrez <ogutsua at gmail.com>
> + Miroslav Chodil <mchodil at redhat.com>
> +
> + This file is part of spice-html5.
> +
> + spice-html5 is free software: you can redistribute it and/or
> modify
> + it under the terms of the GNU Lesser General Public License as
> published by
> + the Free Software Foundation, either version 3 of the License,
> or
> + (at your option) any later version.
> +
> + spice-html5 is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + GNU Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> License
> + along with spice-html5. If not, see <http://www.gnu.org/license
> s/>.
> +*/
> +
> +/*-----------------------------------------------------------------
> -----------
> +** SpicePortConn
> +** Drive the Spice Port Channel
> +**-----------------------------------------------------------------
> ---------*/
> +function SpicePortConn()
> +{
> + DEBUG > 0 && console.log('SPICE port: created SPICE port
> channel. Args:', arguments);
> + SpiceConn.apply(this, arguments);
> + this.port_name = null;
> +}
> +
> +SpicePortConn.prototype = Object.create(SpiceConn.prototype);
> +
> +SpicePortConn.prototype.process_channel_message = function(msg)
> +{
> + if (msg.type == SPICE_MSG_PORT_INIT)
> + {
> + if (this.port_name === null)
> + {
> + var m = new SpiceMsgPortInit(msg.data);
> + this.portName = arraybuffer_to_str(new
> Uint8Array(m.name));
> + this.portOpened = m.opened
> + DEBUG > 0 && console.log('SPICE port: Port',
> this.portName, 'initialized');
> + return true;
> + }
> +
> + DEBUG > 0 && console.log('SPICE port: Port',
> this.port_name, 'is already initialized.');
> + }
> + else if (msg.type == SPICE_MSG_PORT_EVENT)
> + {
> + DEBUG > 0 && console.log('SPICE port: Port event received
> for', this.portName, msg);
> + var event = new CustomEvent('spice-port-event', {
> + detail: {
> + channel: this,
> + spiceEvent: new Uint8Array(msg.data)
> + },
> + bubbles: true,
> + cancelable: true
> + });
> +
> + window.dispatchEvent(event);
> + return true;
> + }
> + else if (msg.type == SPICE_MSG_SPICEVMC_DATA)
> + {
> + DEBUG > 0 && console.log('SPICE port: Data received in
> port', this.portName, msg);
> + var event = new CustomEvent('spice-port-data', {
> + detail: {
> + channel: this,
> + data: msg.data
> + },
> + bubbles: true,
> + cancelable: true
> + });
> + window.dispatchEvent(event);
> + return true;
> + }
> + else
> + {
> + DEBUG > 0 && console.log('SPICE port: SPICE message type
> not recognized:', msg)
> + }
> +
> + return false;
> +};
> diff --git a/spice.html b/spice.html
> index c473678..d4c9962 100644
> --- a/spice.html
> +++ b/spice.html
> @@ -42,6 +42,7 @@
> <script src="wire.js"></script>
> <script src="spiceconn.js"></script>
> <script src="display.js"></script>
> + <script src="port.js"></script>
> <script src="main.js"></script>
> <script src="inputs.js"></script>
> <script src="webm.js"></script>
> @@ -142,6 +143,18 @@
> }
> }
>
> + /* SPICE port event listeners
> + window.addEventListener('spice-port-data',
> function(event) {
> + // Here we convert data to text, but really we can
> obtain binary data also
> + var msg_text = arraybuffer_to_str(new
> Uint8Array(event.detail.data));
> + DEBUG > 0 && console.log('SPICE port',
> event.detail.channel.portName, 'message text:', msg_text);
> + });
> +
> + window.addEventListener('spice-port-event',
> function(event) {
> + DEBUG > 0 && console.log('SPICE port',
> event.detail.channel.portName, 'event data:',
> event.detail.spiceEvent);
> + });
> + */
> +
> </script>
>
> </head>
> diff --git a/spice_auto.html b/spice_auto.html
> index 1179ebe..2f04fc9 100644
> --- a/spice_auto.html
> +++ b/spice_auto.html
> @@ -42,6 +42,7 @@
> <script src="wire.js"></script>
> <script src="spiceconn.js"></script>
> <script src="display.js"></script>
> + <script src="port.js"></script>
> <script src="main.js"></script>
> <script src="inputs.js"></script>
> <script src="webm.js"></script>
> @@ -182,6 +183,18 @@
> }
> }
>
> + /* SPICE port event listeners
> + window.addEventListener('spice-port-data',
> function(event) {
> + // Here we convert data to text, but really we can
> obtain binary data also
> + var msg_text = arraybuffer_to_str(new
> Uint8Array(event.detail.data));
> + DEBUG > 0 && console.log('SPICE port',
> event.detail.channel.portName, 'message text:', msg_text);
> + });
> +
> + window.addEventListener('spice-port-event',
> function(event) {
> + DEBUG > 0 && console.log('SPICE port',
> event.detail.channel.portName, 'event data:',
> event.detail.spiceEvent);
> + });
> + */
> +
> connect();
> </script>
>
> diff --git a/spicemsg.js b/spicemsg.js
> index 0321cc7..3619996 100644
> --- a/spicemsg.js
> +++ b/spicemsg.js
> @@ -1278,3 +1278,21 @@ SpiceMsgDisplayInvalList.prototype =
> }
> },
> }
> +
> +function SpiceMsgPortInit(a, at)
> +{
> + this.from_buffer(a,at);
> +};
> +
> +SpiceMsgPortInit.prototype =
> +{
> + from_buffer: function (a, at)
> + {
> + at = at || 0;
> + var dv = new SpiceDataView(a);
> + var namesize = dv.getUint32(at, true); at += 4;
> + var offset = dv.getUint32(at, true); at += 4;
> + this.opened = dv.getUint8(at, true); at += 1;
> + this.name = a.slice(offset, offset + namesize - 1);
> + }
> +}
> diff --git a/utils.js b/utils.js
> index 9093a24..a22d0ae 100644
> --- a/utils.js
> +++ b/utils.js
> @@ -100,6 +100,13 @@ function hexdump_buffer(a)
> }
>
> /*-----------------------------------------------------------------
> -----------
> +** Convert arraybuffer to string
> +**-----------------------------------------------------------------
> ---------*/
> +function arraybuffer_to_str(buf) {
> + return String.fromCharCode.apply(null, new Uint16Array(buf));
> +}
> +
> +/*-----------------------------------------------------------------
> -----------
> ** Converting keycodes to AT scancodes is very hard.
> ** luckly there are some resources on the web and in the Xorg
> driver that help
> ** us figure out what browser dependent keycodes match to what
> scancodes.
>
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