[Kimchi-devel] [PATCH] [Kimchi 4/6] Implement the web serial console front-end

Aline Manera alinefm at linux.vnet.ibm.com
Fri Feb 5 16:44:30 UTC 2016



On 02/05/2016 02:39 PM, Jose Ricardo Ziviani wrote:
>
>
> On 05-02-2016 14:34, Aline Manera wrote:
>>
>>
>> On 02/04/2016 05:47 PM, Jose Ricardo Ziviani wrote:
>>>   - This is the screen that opens when the client requests the serial
>>>     console, basically a textarea and a websocket that communicates
>>>     with the server (through websockify) in order to send/receive
>>>     data from a guest serial console.
>>>
>>> Signed-off-by: Jose Ricardo Ziviani <joserz at linux.vnet.ibm.com>
>>> ---
>>>   ui/serial/images/favicon.ico    |  Bin 0 -> 15086 bytes
>>>   ui/serial/images/logo-white.png |  Bin 0 -> 7583 bytes
>>
>> Where did those images come from? From Wok repo?
>>
>>>   ui/serial/serial.html           |   80 +
>>>   ui/serial/term.js               | 5973
>>> +++++++++++++++++++++++++++++++++++++++
>>>   4 files changed, 6053 insertions(+)
>>>   create mode 100644 ui/serial/images/favicon.ico
>>>   create mode 100644 ui/serial/images/logo-white.png
>>>   create mode 100644 ui/serial/serial.html
>>>   create mode 100644 ui/serial/term.js
>>>
>>> diff --git a/ui/serial/serial.html b/ui/serial/serial.html
>>> new file mode 100644
>>> index 0000000..a81d0ee
>>> --- /dev/null
>>> +++ b/ui/serial/serial.html
>>
>> License header is missing.
>
> OK :P
>
>>
>>> @@ -0,0 +1,80 @@
>>> +<!doctype html>
>>> +<html>
>>> +    <head>
>>> +        <title>Kimchi Serial Console</title>
>>> +        <!--[if IE  lte 9]><link rel="shortcut icon"
>>> href="images/favicon.ico"><![endif]-->
>>> +        <link rel="shortcut icon" href="images/favicon.png">
>>> +        <style>
>>> +            html {
>>> +                background-color: #3A393B;
>>> +            }
>>> +
>>> +            body {
>>> +                width: 50%;
>>> +                height: 60%;
>>> +                margin-left: auto;
>>> +                margin-right: auto;
>>> +            }
>>> +
>>> +            .terminal {
>>> +                width: 100%;
>>> +                height: 100%;
>>> +                border: #000 solid 3px;
>>> +                font-family: "DejaVu Sans Mono", "Liberation Mono",
>>> monospace;
>>> +                font-size: 16px;
>>> +                color: #f0f0f0;
>>> +                background: #000;
>>> +            }
>>> +
>>> +            .terminal-cursor {
>>> +                color: #000;
>>> +                background: #f0f0f0;
>>> +            }
>>> +        </style>
>>> +        <script src="term.js"></script>
>>> +        <script>
>>> +        ;(function() {
>>> +            window.onload = function() {
>>> +                var params = new Map()
>>> +                var query_string = window.location.href.split('?');
>>> +                for (var i = 1; i < query_string.length; i++) {
>>> + query_string[i].split('&').forEach(function(val) {
>>> +                        param = val.split('=');
>>> +                        params.set(param[0], param[1]);
>>> +                });
>>> +            }
>>> +
>>> +            var url = 'wss://' + window.location.hostname + ':' +
>>> params.get('port');
>>> +            url += '/' + params.get('path');
>>> +            url += '?token=' + params.get('token');
>>> +            var socket = new WebSocket(url, ['base64']);
>>> +            var term = new Terminal({
>>> +                cols: 80,
>>> +                rows: 35,
>>> +                useStyle: true,
>>> +                screenKeys: true,
>>> +                cursorBlink: true
>>> +            });
>>> +
>>> +            term.on('data', function(data) {
>>> +                socket.send(window.btoa(data));
>>> +            });
>>> +
>>> +            socket.onopen = function() {
>>> +                socket.send(window.btoa('\n'));
>>> +            };
>>> +
>>> +            socket.onmessage = function(event) {
>>> +                var message = event.data;
>>> +                term.write(window.atob(message));
>>> +            };
>>> +
>>> +            term.open(document.body);
>>> +          };
>>> +        }).call(this);
>>
>>> +        //# sourceURL=serial.js
>>
>> Remove the commented line
>
> this comment is actually a way to let the browser knows that this 
> content is loaded dynamically:
>
> https://developer.chrome.com/devtools/docs/javascript-debugging
> ↓↓↓↓
> Note: Notice the "//# sourceURL=dynamicScript.js" line at the end of 
> dynamicScript.js file. This technique gives a name to a script created 
> with eval, and will be discussed in more detail in the Source Maps 
> section. Breakpoints can be set in dynamic JavaScript only if it has a 
> user supplied name.
> ↑↑↑↑
>

Thanks for the explanation! =)

>>
>>> +        </script>
>>> +    </head>
>>> +    <body>
>>> +    </body>
>>> +</html>
>>
>>
>>> diff --git a/ui/serial/term.js b/ui/serial/term.js
>>
>> As it is an imported code it is better to have it in a separated commit.
>> That way, we can easily know which files are imported or not.
>
> OK
>
>>
>>> new file mode 100644
>>> index 0000000..f542dd0
>>> --- /dev/null
>>> +++ b/ui/serial/term.js
>>> @@ -0,0 +1,5973 @@
>>> +/**
>>> + * term.js - an xterm emulator
>>> + * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
>>> + * https://github.com/chjj/term.js
>>> + *
>>> + * Permission is hereby granted, free of charge, to any person
>>> obtaining a copy
>>> + * of this software and associated documentation files (the
>>> "Software"), to deal
>>> + * in the Software without restriction, including without limitation
>>> the rights
>>> + * to use, copy, modify, merge, publish, distribute, sublicense,
>>> and/or sell
>>> + * copies of the Software, and to permit persons to whom the 
>>> Software is
>>> + * furnished to do so, subject to the following conditions:
>>> + *
>>> + * The above copyright notice and this permission notice shall be
>>> included in
>>> + * all copies or substantial portions of the Software.
>>> + *
>>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>>> EXPRESS OR
>>> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
>>> MERCHANTABILITY,
>>> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
>>> SHALL THE
>>> + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
>>> OTHER
>>> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
>>> ARISING FROM,
>>> + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
>>> DEALINGS IN
>>> + * THE SOFTWARE.
>>> + *
>>> + * Originally forked from (with the author's permission):
>>> + *   Fabrice Bellard's javascript vt100 for jslinux:
>>> + *   http://bellard.org/jslinux/
>>> + *   Copyright (c) 2011 Fabrice Bellard
>>> + *   The original design remains. The terminal itself
>>> + *   has been extended to include xterm CSI codes, among
>>> + *   other features.
>>> + */
>>> +
>>>
>>
>




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