cloudcmd/lib/server/socket.js
2012-09-21 07:05:01 -04:00

86 lines
No EOL
2.5 KiB
JavaScript

/* module make possible connectoin thrue socket.io on a server */
var io = require('socket.io'),
exec = require('child_process').exec,
Socket = {},
Win32_b = false;
if(process.platform === 'win32')
Win32_b = true;
/**
* Function listen on servers port
* @pServer {Object} started server object
*/
exports.listen = function(pServer){
io = io.listen(pServer);
io.sockets.on('connection', function (socket) {
Socket = socket;
socket.send('hello from server!');
console.log('server connected');
socket.on('message', function(pCommand) {
console.log(pCommand);
exec(pCommand, getExec);
});
});
};
/**
* function send result of command to client
* @param error
* @param stdout
* @param stderr
*/
function getExec(error, stdout, stderr) {
if(stdout){
if(Win32_b)
stdout = win2unicode(stdout);
console.log(stdout);
Socket.send(stdout);
}
if(stderr){
if(Win32_b)
stderr = win2unicode(stderr);
console.log('stderr: ' + stderr);
Socket.send(stderr);
}
if (error !== null) {
console.log('exec error: ' + error);
}
}
/**
* Windows-1251 to Unicode converter
* Useful when having to use GET query parameters.
* e.g. unescaped "%F2%E5%EA%F1%F2", "òåêñò" becomes "текст"
* Source: http://xpoint.ru/know-how/JavaScript/PoleznyieFunktsii?38#PerekodirovkaIzWindows1251IKOI
*/
function win2unicode(str) {
var charmap = unescape(
"%u0402%u0403%u201A%u0453%u201E%u2026%u2020%u2021%u20AC%u2030%u0409%u2039%u040A%u040C%u040B%u040F" +
"%u0452%u2018%u2019%u201C%u201D%u2022%u2013%u2014%u0000%u2122%u0459%u203A%u045A%u045C%u045B%u045F" +
"%u00A0%u040E%u045E%u0408%u00A4%u0490%u00A6%u00A7%u0401%u00A9%u0404%u00AB%u00AC%u00AD%u00AE%u0407" +
"%u00B0%u00B1%u0406%u0456%u0491%u00B5%u00B6%u00B7%u0451%u2116%u0454%u00BB%u0458%u0405%u0455%u0457");
var code2char = function(code) {
if(code >= 0xC0 && code <= 0xFF) return String.fromCharCode(code - 0xC0 + 0x0410);
if(code >= 0x80 && code <= 0xBF) return charmap.charAt(code - 0x80);
return String.fromCharCode(code);
};
var res = "";
for(var i = 0; i < str.length; i++) res = res + code2char(str.charCodeAt(i));
return res;
};