[Spice-devel] [PATCH] Basic SPICE port implementation
Oliver Gutierrez
ogutierrez at redhat.com
Mon Oct 3 12:09:58 UTC 2016
---
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/licenses/>.
+*/
+
+/*----------------------------------------------------------------------------
+** 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.
--
2.9.3
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