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Presence tracker

NPM js-standard-style Dependencies devDependencies

Simple modular presence tracker.

Installation

npm install -g presence-tracker

Note: Requires Node version 4+ LTS.

Configure

curl -o config.json https://raw.githubusercontent.com/matjaz/presence-tracker/master/config.example.json
# edit providers & paths to json files (should be writeable)
vi config.json

See config options for detailed explanation.

Start tracker

presence-tracker -c config.json

Providers

Providers are mechanism how to detect device presence. Built-in providers are ARP scan, ping and TCP connect. Additional providers such as arping or even iBeacon can be added.

Providers API

List active providers

GET /providers

Configuring providers

Each provider can be dynamically configured. Including listing, adding & removing tracked devices.

GET /providers/:id - list all devices
GET /providers/:id/:deviceId - show device details
POST /providers/:id - Add a device
DELETE /providers/:id/:deviceId - Remove a device

Ping (ID: ping)

Add new device to check

curl -v -X POST -H 'Content-Type:application/json' 'http://localhost:3000/providers/ping' -d '{"id":"192.168.1.1"}'

Note: You need ping binary on system to use ping provider.

TCP connect (tcp-connect)

Example: Add check if router is accessible

curl -v -X POST -H 'Content-Type:application/json' 'http://localhost:3000/providers/tcp-connect' -d '{"id":"router","host":"192.168.1.1","port":80}'

ARP scan (arpscan)

ARP scan config options are passed to arpscan package.

Note: You need arp-scan binary on system to use ARP scan provider.

HTTP (ID: http)

Mark device as present

curl -v -X POST http://localhost:3000/providers/http/mydevice/present

Mark device as absent

curl -v -X DELETE http://localhost:3000/providers/http/mydevice

Extensible

Tracker supports plugins to extend its functionality. Built-in plugins are REST Server, Webhooks & Storage.

REST server

All presence data is available through REST API.

GET /.meta - get metadata
GET / - returns all present devices
GET /:id - get device
GET /:id/data - get custom device data
PATCH /:id/data - add custom device data

Add custom data with

curl -v -X PATCH -H 'Content-Type:application/json' 'http://localhost:3000/192.168.1.2/data' -d '{"name":"My phone"}'

To remove data set property to null

curl -v -X PATCH -H 'Content-Type:application/json' 'http://localhost:3000/192.168.1.2/data' -d '{"name":null}'

Webhooks

Tracker supports dynamic hooks for present and absent events. It also supports REST interface managment.

GET /hooks - return current webhooks
POST /hooks - dynamically add new webhook
GET /hooks/:id - return webhook
DELETE /hooks/:id - remove webhook

Add new present webhook

curl -v -X POST -H 'Content-Type:application/json' 'http://localhost:3000/hooks' -d '{"event":"present","options":"http://localhost:1337/hooks/present"}'

Note: options can be URL string or http.request options.

Storage

Storage persists custom device data, when app is restarted.

Donate

If you like the app, buy me a beer!
Paypal donate

Bitcoin address 1CsnykfypeoemhhUXcr28EbHjv5DViAZfm

Bitcoin donate]

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Simple modular presence tracker.

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