This commit is contained in:
smart
2025-12-05 21:51:55 +08:00
parent e0bc2069e0
commit 9181fbf744
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## WebSockets Proxy/Bridge
Websockify has been forked out into its own project. `launch.sh` wil
automatically download it here if it is not already present and not
installed as system-wide.
For more detailed description and usage information please refer to
the [websockify README](https://github.com/kanaka/websockify/blob/master/README.md).
The other versions of websockify (C, Node.js) and the associated test
programs have been moved to
[websockify](https://github.com/kanaka/websockify). Websockify was
formerly named wsproxy.

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#!/usr/bin/env python
#
# Convert image to Javascript compatible base64 Data URI
# Copyright 2011 Joel Martin
# Licensed under MPL 2.0 (see docs/LICENSE.MPL-2.0)
#
import sys, base64
try:
from PIL import Image
except:
print "python PIL module required (python-imaging package)"
sys.exit(1)
if len(sys.argv) < 3:
print "Usage: %s IMAGE JS_VARIABLE" % sys.argv[0]
sys.exit(1)
fname = sys.argv[1]
var = sys.argv[2]
ext = fname.lower().split('.')[-1]
if ext == "png": mime = "image/png"
elif ext in ["jpg", "jpeg"]: mime = "image/jpeg"
elif ext == "gif": mime = "image/gif"
else:
print "Only PNG, JPEG and GIF images are supported"
sys.exit(1)
uri = "data:%s;base64," % mime
im = Image.open(fname)
w, h = im.size
raw = open(fname).read()
print '%s = {"width": %s, "height": %s, "data": "%s%s"};' % (
var, w, h, uri, base64.b64encode(raw))

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#!/usr/bin/env python
'''
Use matplotlib to generate performance charts
Copyright 2011 Joel Martin
Licensed under MPL-2.0 (see docs/LICENSE.MPL-2.0)
'''
# a bar plot with errorbars
import sys, json, pprint
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.font_manager import FontProperties
def usage():
print "%s json_file level1 level2 level3 [legend_height]\n\n" % sys.argv[0]
print "Description:\n"
print "level1, level2, and level3 are one each of the following:\n";
print " select=ITEM - select only ITEM at this level";
print " bar - each item on this level becomes a graph bar";
print " group - items on this level become groups of bars";
print "\n";
print "json_file is a file containing json data in the following format:\n"
print ' {';
print ' "conf": {';
print ' "order_l1": [';
print ' "level1_label1",';
print ' "level1_label2",';
print ' ...';
print ' ],';
print ' "order_l2": [';
print ' "level2_label1",';
print ' "level2_label2",';
print ' ...';
print ' ],';
print ' "order_l3": [';
print ' "level3_label1",';
print ' "level3_label2",';
print ' ...';
print ' ]';
print ' },';
print ' "stats": {';
print ' "level1_label1": {';
print ' "level2_label1": {';
print ' "level3_label1": [val1, val2, val3],';
print ' "level3_label2": [val1, val2, val3],';
print ' ...';
print ' },';
print ' "level2_label2": {';
print ' ...';
print ' },';
print ' },';
print ' "level1_label2": {';
print ' ...';
print ' },';
print ' ...';
print ' },';
print ' }';
sys.exit(2)
def error(msg):
print msg
sys.exit(1)
#colors = ['#ff0000', '#0863e9', '#00f200', '#ffa100',
# '#800000', '#805100', '#013075', '#007900']
colors = ['#ff0000', '#00ff00', '#0000ff',
'#dddd00', '#dd00dd', '#00dddd',
'#dd6622', '#dd2266', '#66dd22',
'#8844dd', '#44dd88', '#4488dd']
if len(sys.argv) < 5:
usage()
filename = sys.argv[1]
L1 = sys.argv[2]
L2 = sys.argv[3]
L3 = sys.argv[4]
if len(sys.argv) > 5:
legendHeight = float(sys.argv[5])
else:
legendHeight = 0.75
# Load the JSON data from the file
data = json.loads(file(filename).read())
conf = data['conf']
stats = data['stats']
# Sanity check data hierarchy
if len(conf['order_l1']) != len(stats.keys()):
error("conf.order_l1 does not match stats level 1")
for l1 in stats.keys():
if len(conf['order_l2']) != len(stats[l1].keys()):
error("conf.order_l2 does not match stats level 2 for %s" % l1)
if conf['order_l1'].count(l1) < 1:
error("%s not found in conf.order_l1" % l1)
for l2 in stats[l1].keys():
if len(conf['order_l3']) != len(stats[l1][l2].keys()):
error("conf.order_l3 does not match stats level 3")
if conf['order_l2'].count(l2) < 1:
error("%s not found in conf.order_l2" % l2)
for l3 in stats[l1][l2].keys():
if conf['order_l3'].count(l3) < 1:
error("%s not found in conf.order_l3" % l3)
#
# Generate the data based on the level specifications
#
bar_labels = None
group_labels = None
bar_vals = []
bar_sdvs = []
if L3.startswith("select="):
select_label = l3 = L3.split("=")[1]
bar_labels = conf['order_l1']
group_labels = conf['order_l2']
bar_vals = [[0]*len(group_labels) for i in bar_labels]
bar_sdvs = [[0]*len(group_labels) for i in bar_labels]
for b in range(len(bar_labels)):
l1 = bar_labels[b]
for g in range(len(group_labels)):
l2 = group_labels[g]
bar_vals[b][g] = np.mean(stats[l1][l2][l3])
bar_sdvs[b][g] = np.std(stats[l1][l2][l3])
elif L2.startswith("select="):
select_label = l2 = L2.split("=")[1]
bar_labels = conf['order_l1']
group_labels = conf['order_l3']
bar_vals = [[0]*len(group_labels) for i in bar_labels]
bar_sdvs = [[0]*len(group_labels) for i in bar_labels]
for b in range(len(bar_labels)):
l1 = bar_labels[b]
for g in range(len(group_labels)):
l3 = group_labels[g]
bar_vals[b][g] = np.mean(stats[l1][l2][l3])
bar_sdvs[b][g] = np.std(stats[l1][l2][l3])
elif L1.startswith("select="):
select_label = l1 = L1.split("=")[1]
bar_labels = conf['order_l2']
group_labels = conf['order_l3']
bar_vals = [[0]*len(group_labels) for i in bar_labels]
bar_sdvs = [[0]*len(group_labels) for i in bar_labels]
for b in range(len(bar_labels)):
l2 = bar_labels[b]
for g in range(len(group_labels)):
l3 = group_labels[g]
bar_vals[b][g] = np.mean(stats[l1][l2][l3])
bar_sdvs[b][g] = np.std(stats[l1][l2][l3])
else:
usage()
# If group is before bar then flip (zip) the data
if [L1, L2, L3].index("group") < [L1, L2, L3].index("bar"):
bar_labels, group_labels = group_labels, bar_labels
bar_vals = zip(*bar_vals)
bar_sdvs = zip(*bar_sdvs)
print "bar_vals:", bar_vals
#
# Now render the bar graph
#
ind = np.arange(len(group_labels)) # the x locations for the groups
width = 0.8 * (1.0/len(bar_labels)) # the width of the bars
fig = plt.figure(figsize=(10,6), dpi=80)
plot = fig.add_subplot(1, 1, 1)
rects = []
for i in range(len(bar_vals)):
rects.append(plot.bar(ind+width*i, bar_vals[i], width, color=colors[i],
yerr=bar_sdvs[i], align='center'))
# add some
plot.set_ylabel('Milliseconds (less is better)')
plot.set_title("Javascript array test: %s" % select_label)
plot.set_xticks(ind+width)
plot.set_xticklabels( group_labels )
fontP = FontProperties()
fontP.set_size('small')
plot.legend( [r[0] for r in rects], bar_labels, prop=fontP,
loc = 'center right', bbox_to_anchor = (1.0, legendHeight))
def autolabel(rects):
# attach some text labels
for rect in rects:
height = rect.get_height()
if np.isnan(height):
height = 0.0
plot.text(rect.get_x()+rect.get_width()/2., height+20, '%d'%int(height),
ha='center', va='bottom', size='7')
for rect in rects:
autolabel(rect)
# Adjust axis sizes
axis = list(plot.axis())
axis[0] = -width # Make sure left side has enough for bar
#axis[1] = axis[1] * 1.20 # Add 20% to the right to make sure it fits
axis[2] = 0 # Make y-axis start at 0
axis[3] = axis[3] * 1.10 # Add 10% to the top
plot.axis(axis)
plt.show()

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#!/bin/sh
portnb="6801";
sumnb="1";
usage() {
if [ "$*" ]; then
echo
echo "$*"
fi
echo "Usage: ${NAME} [-p] [-s] ";
echo " -p port number";
echo " Default: 6801";
echo " -n port sum,start for [-p]6801";
echo " Default: 20";
exit 2
}
while [ "$*" ]; do
param=$1; shift; OPTARG=$1
case $param in
-p) portnb="${OPTARG}"; shift ;;
-n) sumnb="${OPTARG}"; shift ;;
-h|--help) usage ;;
-*) usage "Unknown chrooter option: ${param}" ;;
*) break ;;
esac
done
expr $portnb "+" 10 &> /dev/null
if [ $? -eq 0 ];then
echo -e "\033[34;5;5mkill port exec!\033[0m ";
else
echo "[-p]erro : please input a number!";
exit 2;
fi
expr $sumnb "+" 10 &> /dev/null
if [ $? -eq 0 ];then
echo -e "\033[34;5;5mkill port exec!\033[0m ";
else
echo "[-n]erro : please input a number!";
exit 2;
fi
for i in `seq 1 $sumnb`;do
typeset -i port=$portnb-1+i
vwport=`netstat -tlnp | grep ":"$port`;
if [ -n "$vwport" ];then
echo -e "kill port : \033[32;5;5m$port\033[0m succeed! ";
kill -9 `lsof -ti":$port"`;
fi
done

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#!/bin/bash
usage() {
if [ "$*" ]; then
echo "$*"
echo
fi
echo "Usage: ${NAME} [--listen PORT] [--vnc VNC_HOST:PORT] [--cert CERT]"
echo
echo "Starts the WebSockets proxy and a mini-webserver and "
echo "provides a cut-and-paste URL to go to."
echo
echo " --listen PORT Port for proxy/webserver to listen on"
echo " Default: 6080"
echo " --vnc VNC_HOST:PORT VNC server host:port proxy target"
echo " Default: localhost:5900"
echo " --cert CERT Path to combined cert/key file"
echo " Default: self.pem"
echo " --web WEB Path to web files (e.g. vnc.html)"
echo " Default: ./"
exit 2
}
NAME="$(basename $0)"
REAL_NAME="$(readlink -f $0)"
HERE="$(cd "$(dirname "$REAL_NAME")" && pwd)"
PORT="6080"
VNC_DEST="localhost:5900"
CERT=""
WEB=""
proxy_pid=""
die() {
echo "$*"
exit 1
}
cleanup() {
trap - TERM QUIT INT EXIT
trap "true" CHLD # Ignore cleanup messages
echo
if [ -n "${proxy_pid}" ]; then
echo "Terminating WebSockets proxy (${proxy_pid})"
kill ${proxy_pid}
fi
}
# Process Arguments
# Arguments that only apply to chrooter itself
while [ "$*" ]; do
param=$1; shift; OPTARG=$1
case $param in
--listen) PORT="${OPTARG}"; shift ;;
--vnc) VNC_DEST="${OPTARG}"; shift ;;
--cert) CERT="${OPTARG}"; shift ;;
--web) WEB="${OPTARG}"; shift ;;
-h|--help) usage ;;
-*) usage "Unknown chrooter option: ${param}" ;;
*) break ;;
esac
done
# Sanity checks
which netstat >/dev/null 2>&1 \
|| die "Must have netstat installed"
netstat -ltn | grep -qs "${PORT} .*LISTEN" \
&& die "Port ${PORT} in use. Try --listen PORT"
trap "cleanup" TERM QUIT INT EXIT
# Find vnc.html
if [ -n "${WEB}" ]; then
if [ ! -e "${WEB}/vnc.html" ]; then
die "Could not find ${WEB}/vnc.html"
fi
elif [ -e "$(pwd)/vnc.html" ]; then
WEB=$(pwd)
elif [ -e "${HERE}/../vnc.html" ]; then
WEB=${HERE}/../
elif [ -e "${HERE}/vnc.html" ]; then
WEB=${HERE}
elif [ -e "${HERE}/../share/novnc/vnc.html" ]; then
WEB=${HERE}/../share/novnc/
else
die "Could not find vnc.html"
fi
# Find self.pem
if [ -n "${CERT}" ]; then
if [ ! -e "${CERT}" ]; then
die "Could not find ${CERT}"
fi
elif [ -e "$(pwd)/self.pem" ]; then
CERT="$(pwd)/self.pem"
elif [ -e "${HERE}/../self.pem" ]; then
CERT="${HERE}/../self.pem"
elif [ -e "${HERE}/self.pem" ]; then
CERT="${HERE}/self.pem"
else
echo "Warning: could not find self.pem"
fi
# try to find websockify (prefer local, try global, then download local)
if [[ -e ${HERE}/websockify ]]; then
WEBSOCKIFY=${HERE}/websockify/run
if [[ ! -x $WEBSOCKIFY ]]; then
echo "The path ${HERE}/websockify exists, but $WEBSOCKIFY either does not exist or is not executable."
echo "If you inteded to use an installed websockify package, please remove ${HERE}/websockify."
exit 1
fi
echo "Using local websockify at $WEBSOCKIFY"
else
WEBSOCKIFY=$(which websockify 2>/dev/null)
if [[ $? -ne 0 ]]; then
echo "No installed websockify, attempting to clone websockify..."
WEBSOCKIFY=${HERE}/websockify/run
git clone https://github.com/kanaka/websockify ${HERE}/websockify
if [[ ! -e $WEBSOCKIFY ]]; then
echo "Unable to locate ${HERE}/websockify/run after downloading"
exit 1
fi
echo "Using local websockify at $WEBSOCKIFY"
else
echo "Using installed websockify at $WEBSOCKIFY"
fi
fi
echo "Starting webserver and WebSockets proxy on port ${PORT}"
#${HERE}/websockify --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} &
${WEBSOCKIFY} --web ${WEB} ${CERT:+--cert ${CERT}} ${PORT} ${VNC_DEST} &
proxy_pid="$!"
sleep 1
if ! ps -p ${proxy_pid} >/dev/null; then
proxy_pid=
echo "Failed to start WebSockets proxy"
exit 1
fi
echo -e "\n\nNavigate to this URL:\n"
echo -e " http://$(hostname):${PORT}/vnc.html?host=$(hostname)&port=${PORT}\n"
echo -e "Press Ctrl-C to exit\n\n"
wait ${proxy_pid}

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// Utility to parse keysymdef.h to produce mappings from Unicode codepoints to keysyms
"use strict";
var fs = require('fs');
var show_help = process.argv.length === 2;
var use_keynames = false;
var filename;
for (var i = 2; i < process.argv.length; ++i) {
switch (process.argv[i]) {
case "--help":
case "-h":
show_help = true;
break;
case "--debug-names":
case "-d":
use_keynames = true;
break;
case "--file":
case "-f":
default:
filename = process.argv[i];
}
}
if (!filename) {
show_help = true;
console.log("Error: No filename specified\n");
}
if (show_help) {
console.log("Parses a *nix keysymdef.h to generate Unicode code point mappings");
console.log("Usage: node parse.js [options] filename:");
console.log(" -h [ --help ] Produce this help message");
console.log(" -d [ --debug-names ] Preserve keysym names for debugging (Increases file size by ~40KB)");
console.log(" filename The keysymdef.h file to parse");
return;
}
// Set this to false to omit key names from the generated keysymdef.js
// This reduces the file size by around 40kb, but may hinder debugging
var buf = fs.readFileSync(filename);
var str = buf.toString('utf8');
var re = /^\#define XK_([a-zA-Z_0-9]+)\s+0x([0-9a-fA-F]+)\s*(\/\*\s*(.*)\s*\*\/)?\s*$/m;
var arr = str.split('\n');
var keysyms = {};
var codepoints = {};
for (var i = 0; i < arr.length; ++i) {
var result = re.exec(arr[i]);
if (result){
var keyname = result[1];
var keysym = parseInt(result[2], 16);
var remainder = result[3];
keysyms[keysym] = keyname;
var unicodeRes = /U\+([0-9a-fA-F]+)/.exec(remainder);
if (unicodeRes) {
var unicode = parseInt(unicodeRes[1], 16);
if (!codepoints[unicode]){
codepoints[unicode] = keysym;
}
}
else {
console.log("no unicode codepoint found:", arr[i]);
}
}
else {
console.log("line is not a keysym:", arr[i]);
}
}
var out = "// This file describes mappings from Unicode codepoints to the keysym values\n" +
"// (and optionally, key names) expected by the RFB protocol\n" +
"// How this file was generated:\n" +
"// " + process.argv.join(" ") + "\n" +
"var keysyms = (function(){\n" +
" \"use strict\";\n" +
" var keynames = {keysyms};\n" +
" var codepoints = {codepoints};\n" +
"\n" +
" function lookup(k) { return k ? {keysym: k, keyname: keynames ? keynames[k] : k} : undefined; }\n" +
" return {\n" +
" fromUnicode : function(u) { return lookup(codepoints[u]); },\n" +
" lookup : lookup\n" +
" };\n" +
"})();\n";
out = out.replace('{keysyms}', use_keynames ? JSON.stringify(keysyms) : "null");
out = out.replace('{codepoints}', JSON.stringify(codepoints));
fs.writeFileSync("keysymdef.js", out);

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#!/usr/bin/env bash
#
# Convert "U+..." commented entries in /usr/include/X11/keysymdef.h
# into JavaScript for use by noVNC. Note this is likely to produce
# a few duplicate properties with clashing values, that will need
# resolving manually.
#
# Colin Dean <colin@xvpsource.org>
#
regex="^#define[ \t]+XK_[A-Za-z0-9_]+[ \t]+0x([0-9a-fA-F]+)[ \t]+\/\*[ \t]+U\+([0-9a-fA-F]+)[ \t]+[^*]+.[ \t]+\*\/[ \t]*$"
echo "unicodeTable = {"
while read line; do
if echo "${line}" | egrep -qs "${regex}"; then
x11=$(echo "${line}" | sed -r "s/${regex}/\1/")
vnc=$(echo "${line}" | sed -r "s/${regex}/\2/")
if echo "${vnc}" | egrep -qs "^00[2-9A-F][0-9A-F]$"; then
: # skip ISO Latin-1 (U+0020 to U+00FF) as 1-to-1 mapping
else
# note 1-to-1 is possible (e.g. for Euro symbol, U+20AC)
echo " 0x${vnc} : 0x${x11},"
fi
fi
done < /usr/include/X11/keysymdef.h | uniq
echo "};"