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Process lsof parser
JavaScript
Branch: master

0.1.0

latest commit 628a457434
@davglass authored
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examples Add support for lsof inspection of ports
lib allow lookup of UDP ports
test
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README.md Added Travis badge to README
package.json 0.1.0

README.md

lsof For Node

A simple lsof processor for node. This is handy when debugging long apps. You can load this and call it from your status commands to see how many open file descriptors your process has.

Install

npm install lsof

Build Status

Build Status

Usage

var lsof = require('../lib/lsof');

lsof.counters(function(data) {
    console.log(data);
    /*
    *
    * { pid: 24231
    *   , user: 'davglass'
    *   , open: 12
    *   , types: { dir: 1, reg: 3, chr: 3, pipe: 5 }
    *   }
    *
    */
});


lsof.raw(function(data) {
    console.log(data);
    /**
    * [ { command: 'node'
    *   , pid: '24231'
    *   , user: 'davglass'
    *   , fd: 'txt'
    *   , type: 'REG'
    *   , device: '14,1'
    *   , 'size/off': '5139784'
    *   , node: '15331212'
    *   , name: '/usr/local/bin/node'
    *   }
    * , { command: 'node'
    *   , pid: '24231'
    *   , user: 'davglass'
    *   , fd: 'txt'
    *   , type: 'REG'
    *   , device: '14,1'
    *   , 'size/off': '1054960'
    *   , node: '7477054'
    *   , name: '/usr/lib/dyld'
    *   }
    * , { command: 'node'
    *   , pid: '24231'
    *   , user: 'davglass'
    *   , fd: 'txt'
    *   , type: 'REG'
    *   , device: '14,1'
    *   , 'size/off': '205565952'
    *   , node: '15630602'
    *   , name: '/private/var/db/dyld/dyld_shared_cache_x86_64'
    *   }
    * , { command: 'node'
    *   , pid: '24231'
    *   , user: 'davglass'
    *   , fd: '0u'
    *   , type: 'CHR'
    *   , device: '16,2'
    *   , 'size/off': '0t183952'
    *   , node: '1355'
    *   , name: '/dev/ttys002'
    *   }
    * ]
    */
});

// Or, inspect a port in use
lsof.rawTcpPort(11211, function(data) {
    console.log(data);
    /*
     * [ { state: 'listen',
     *     command: 'memcached',
     *     pid: '183',
     *     user: 'matt',
     *     fd: '28u',
     *     type: 'IPv6',
     *     device: '0xffffff80121a3600',
     *     'size/off': '0t0',
     *     node: 'TCP',
     *     name: 'localhost:11211' },
     *   { state: 'listen',
     *     command: 'memcached',
     *     pid: '183',
     *     user: 'matt',
     *     fd: '29u',
     *     type: 'IPv4',
     *     device: '0xffffff8013f90500',
     *     'size/off': '0t0',
     *     node: 'TCP',
     *    name: 'localhost:11211' } ]
     *
     */
}
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