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Code Issues Releases Wiki Activity

Added MacOS support

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This commit is contained in:
Bryan Roe
2019-01-11 13:55:38 -08:00
parent 17b378d53f
commit 81ef5d4c2e
1 changed files with 56 additions and 18 deletions
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74
modules/process-manager.js
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@@ -17,10 +17,12 @@ limitations under the License.
var GM = require('_GenericMarshal');
function processManager()
{
this._ObjectID = 'process-manager';
switch(process.platform)
// Used on Windows and Linux to get information about running processes
function processManager() {
this._ObjectID = 'process-manager'; // Used for debugging, allows you to get the object type at runtime.
// Setup the platform specific calls.
switch (process.platform)
{
case 'win32':
this._kernel32 = GM.CreateNativeProxy('kernel32.dll');
@@ -30,12 +32,21 @@ function processManager()
this._kernel32.CreateMethod('Process32Next');
break;
case 'linux':
case 'darwin':
this._childProcess = require('child_process');
break;
default:
throw (process.platform + ' not supported');
break;
}
this.enumerateProcesses = function enumerateProcesses()
{
var promise = require('promise');
var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
this.getProcesses(function (ps, prom) { prom._res(ps); }, ret);
return (ret);
}
// Return a object of: pid -> process information.
this.getProcesses = function getProcesses(callback)
{
switch(process.platform)
@@ -43,20 +54,20 @@ function processManager()
default:
throw ('Enumerating processes on ' + process.platform + ' not supported');
break;
case 'win32':
var retVal = [];
case 'win32': // Windows processes
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 });
retVal[info.Deref(8, 4).toBuffer().readUInt32LE(0)] = { pid: info.Deref(8, 4).toBuffer().readUInt32LE(0), cmd: info.Deref(GM.PointerSize == 4 ? 36 : 44, 260).String };
nextProcess = this._kernel32.Process32Next(h, info);
}
if (callback) { callback.apply(this, [retVal]); }
break;
case 'linux':
case 'linux': // Linux processes
if (!this._psp) { this._psp = {}; }
var p = this._childProcess.execFile("/bin/ps", ["ps", "-uxa"], { type: this._childProcess.SpawnTypes.TERM });
this._psp[p.pid] = p;
@@ -68,10 +79,7 @@ function processManager()
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;
var retVal = {}, lines = this.ps.split('\x0D\x0A'), key = {}, keyi = 0;
for (var i in lines)
{
var tokens = lines[i].split(' ');
@@ -81,12 +89,8 @@ function processManager()
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 (i > 0) {
if (tokenList[key.PID]) { retVal[tokenList[key.PID]] = { pid: key.PID, user: tokenList[key.USER], cmd: tokenList[key.COMMAND] }; }
}
}
if (this.callback)
@@ -97,8 +101,42 @@ function processManager()
});
p.stdout.on('data', function (chunk) { this.parent.ps += chunk.toString(); });
break;
case 'darwin':
var promise = require('promise');
var p = new promise(function (res, rej) { this._res = res; this._rej = rej; });
p.pm = this;
p.callback = callback;
p.args = [];
for (var i = 1; i < arguments.length; ++i) { p.args.push(arguments[i]); }
p.child = this._childProcess.execFile("/bin/ps", ["ps", "-xa"]);
p.child.promise = p;
p.child.stdout.ps = '';
p.child.stdout.on('data', function (chunk) { this.ps += chunk.toString(); });
p.child.on('exit', function ()
{
var lines = this.stdout.ps.split('\n');
var pidX = lines[0].split('PID')[0].length + 3;
var cmdX = lines[0].split('CMD')[0].length;
var ret = {};
for (var i = 1; i < lines.length; ++i)
{
if (lines[i].length > 0)
{
ret[lines[i].substring(0, pidX).trim()] = { pid: lines[i].substring(0, pidX).trim(), cmd: lines[i].substring(cmdX) };
}
}
this.promise._res(ret);
});
p.then(function (ps)
{
this.args.unshift(ps);
this.callback.apply(this.pm, this.args);
});
break;
}
};
// Get information about a specific process on Linux
this.getProcessInfo = function getProcessInfo(pid)
{
switch(process.platform)