node-profinetdcp

NodeJS Addon for sending PROFINET DCP requests.

Prerequisites

Libpcap library should be already installed prior to the installation of the npm package.

$3

Install NPcap from

$3

Install libpcap-dev e.g.

``bash
sudo apt-get install -y libpcap-dev
`

$3

Libpcap is already installed

Installation

`bash
npm install profinetdcp
`

Example

`javascript
const { listInterfaces, dcpIdentify, LinkStatus } = require('profinetdcp')

listInterfaces().then((list) => {
const interfaces = list.filter((intf) => !intf.isLoopback && intf.status == LinkStatus.Up)

if (interfaces.length > 0) {
console.log(Found ${interfaces.length} network interfaces with link status "up")
console.log('---------------------------------------------------------------------')
console.log(interfaces)
console.log('---------------------------------------------------------------------')

console.log('Sending DCP identify requests ...')

interfaces.forEach((intf) => {
dcpIdentify(intf).then((hosts) => {
if (hosts.length > 0) {
console.log(Hosts found on interface ${intf.name})
console.log(hosts)
} else {
console.log(No hosts found on interface ${intf.name})
}
}).catch((err) => {
console.log(Failed to indentify hosts on interface ${intf.name})
console.log(err.message)
})
})
} else {
console.log(No network interfaces found with link status "up")
}
})
``

TODO

- Only DCP Identify request is implemented at the moment. DCP-Get and DCP-Set to follow ...

- List of hosts is returned after the 5 sec. scan timeout. No partial progress at the moment.

- Add documentation and examples