node-red-contrib-advanced-ping-multiple

A Node-RED node which takes input and pings a remote server.

This is a modification of the node-red-node-ping node. Difference is that this node will perform a ping when it recieves input where the node-red-node-ping node performs pings on a set interval. You may also programmatically pass ping settings to this node. For periodical checks, wire an inject node to this ping node.

Install

Run the following command in the root directory of your Node-RED install

npm install node-red-contrib-advanced-ping-multiple

Usage

• Pings an array of machines and returns the trip time in ms. Ping time is returned in msg.payload. Returns Int -1000 if no response received within given msg.timeout in seconds (5 seconds being the default value), or if the host is unresolveable.
• Will perform ping on any input and only once per machine.
• You may override the host set in the configuration by passing in a value in msg.host. msg.hostcan be an array of hosts. In that case msg.payload will be an array with the delays or -1000 when unreachable. Null positions of the array will be preserved and presented as null in the msg.pyload output.
• You may set a timeout for each machine's ping by pasing a value in seconds in msg.timeout. Also a delay between pings to different servers can be set by passing a value in miliseconds in msg.delta. Default values are 5 seconds and 25 miliseconds if no value is set on those message properties.
• For legacy reasons, the node will output the host as msg.topic (the original node-red-node-ping does it this way).
• Any incomming data will be passed on to the output.
  • Incoming msg.payload data will be outputted as msg._payload (as the new msg.payload will contain the result of the ping).
  • Incoming msg.topic data will be outputted as msg._topic (as the new msg.topic will contain the the host).

Todo

Ability to set ping options in node configuration/by incomming message. Right now, these settings are hardcoded except timeout. Default is 5secs but you can override it by passing a msg.timeout value in seconds.

• Linux: -n -w timeout -c 1
• Windows: -n 1 -w timeout x1000
• Mac: -n -t timeout -c 1