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Code Issues Releases Wiki Activity

Major agent update.

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Ylian Saint-Hilaire
2018-09-05 11:01:17 -07:00
parent 4b5c77b4fd
commit 3c80473a94
174 changed files with 19033 additions and 3307 deletions
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125
modules/process-manager.js Normal file
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/*
Copyright 2018 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
var GM = require('_GenericMarshal');
function processManager()
{
this._ObjectID = 'process-manager';
switch(process.platform)
{
case 'win32':
this._kernel32 = GM.CreateNativeProxy('kernel32.dll');
this._kernel32.CreateMethod('GetLastError');
this._kernel32.CreateMethod('CreateToolhelp32Snapshot');
this._kernel32.CreateMethod('Process32First');
this._kernel32.CreateMethod('Process32Next');
break;
case 'linux':
this._childProcess = require('child_process');
break;
default:
throw (process.platform + ' not supported');
break;
}
this.getProcesses = function getProcesses(callback)
{
switch(process.platform)
{
default:
throw ('Enumerating processes on ' + process.platform + ' not supported');
break;
case 'win32':
var retVal = [];
var h = this._kernel32.CreateToolhelp32Snapshot(2, 0);
var info = GM.CreateVariable(304);
info.toBuffer().writeUInt32LE(304, 0);
var nextProcess = this._kernel32.Process32First(h, info);
while (nextProcess.Val)
{
retVal.push({ pid: info.Deref(8, 4).toBuffer().readUInt32LE(0), command: info.Deref(GM.PointerSize == 4 ? 36 : 44, 260).String });
nextProcess = this._kernel32.Process32Next(h, info);
}
if (callback) { callback.apply(this, [retVal]); }
break;
case 'linux':
if (!this._psp) { this._psp = {}; }
var p = this._childProcess.execFile("/bin/ps", ["ps", "-uxa"], { type: this._childProcess.SpawnTypes.TERM });
this._psp[p.pid] = p;
p.Parent = this;
p.ps = '';
p.callback = callback;
p.args = [];
for (var i = 1; i < arguments.length; ++i) { p.args.push(arguments[i]); }
p.on('exit', function onGetProcesses()
{
delete this.Parent._psp[this.pid];
var retVal = [];
var lines = this.ps.split('\x0D\x0A');
var key = {};
var keyi = 0;
for (var i in lines)
{
var tokens = lines[i].split(' ');
var tokenList = [];
for(var x in tokens)
{
if (i == 0 && tokens[x]) { key[tokens[x]] = keyi++; }
if (i > 0 && tokens[x]) { tokenList.push(tokens[x]);}
}
if(i>0)
{
if (tokenList[key.PID])
{
retVal.push({ pid: tokenList[key.PID], user: tokenList[key.USER], command: tokenList[key.COMMAND] });
}
}
}
if (this.callback)
{
this.args.unshift(retVal);
this.callback.apply(this.parent, this.args);
}
});
p.stdout.on('data', function (chunk) { this.parent.ps += chunk.toString(); });
break;
}
};
this.getProcessInfo = function getProcessInfo(pid)
{
switch(process.platform)
{
default:
throw ('getProcessInfo() not supported for ' + process.platform);
break;
case 'linux':
var status = require('fs').readFileSync('/proc/' + pid + '/status');
var info = {};
var lines = status.toString().split('\n');
for(var i in lines)
{
var tokens = lines[i].split(':');
if (tokens.length > 1) { tokens[1] = tokens[1].trim(); }
info[tokens[0]] = tokens[1];
}
return (info);
break;
}
};
}
module.exports = new processManager();