node-red-contrib-prib-functions/testing/hostAvailable.html

Node-RED added node functions.

<script type="text/javascript">
    /*globals RED */
    RED.nodes.registerType('Host Available', {
        category: 'testing',
        color: '#fdeea2',
        defaults: {
            name: {value: "",required:false},
            host: {value: "",required:false},
			port: {value:0, required:false},
			checkInterval: {required:false}
        },
	    inputs:1,
        inputLabels: "",
        outputs:2,
        outputLabels: ["Up","Down"],
        icon: "font-awesome/fa-plug",
        label: function() {
            return this.name||(this.host+(this.port?":"+this.port:""));
        },
        labelStyle: function() {
            return "node_label_italic";
        },
        oneditprepare: function() {
        },
        oneditsave: function() {
        },
        oneditresize: function() {
        },
        button: {
            enabled: function() {
                return !this.changed;
            },
            onclick: function() {
                if (this.changed) {
                    return RED.notify(RED._("Host Available undeployed changes"),"warning");
                }
                var label = this._def.label.call(this);
                if (label.length > 30) {
                    label = label.substring(0,50)+"...";
                }
                label = label.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;");
                var node = this;
                
                $.get( "/hostAvailable/"+node.id )
                .done(function( json ) {
                	RED.notify(node._("Host Available signal success",{label:label}),{type:"success",id:"Host Available"});
                }).fail(function( jqXHR, textStatus, error ) {
                   if (jqXHR.status === 404) {
                       RED.notify(node._("Host Available signal not deployed"),"error");
                  } else if (jqXHR.status === 500) {
                       RED.notify(node._("Host Available signal inject failed with error "+textStatus||""),"error");
                   } else if (jqXHR.status === 0) {
                       RED.notify(node._("Host Available signal no response"),"error");
                   } else {
                       RED.notify(node._("Host Available signal unexpected status:"+jqXHR.status+" message:"+textStatus+" "+error),"error");
                   }
            	 });
            }
        }
    });
</script>

<script type="text/x-red" data-template-name="Host Available">

    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> Name </label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>

    <div class="form-row">
        <label for="node-input-host"><i class="fa fa-tag"></i> Host </label>
        <input type="text" id="node-input-host" placeholder="host">
    </div>

    <div class="form-row">
        <label for="node-input-port"><i class="fa fa-tag"></i> Port </label>
        <input type="number" id="node-input-port" min=0 max=4096 step=1>
    </div>

    <div class="form-row">
        <label for="node-input-checkInterval"><i class="fa fa-tag"></i> Check Interval (secs) </label>
        <input type="number" id="node-input-checkInterval" min=0 max=4096 step=1>
    </div>

</script>

<script type="text/x-red" data-help-name="Host Available">
    <p>
	Test if host and port can be contacted.
	Message to OK port if OK.  
	Message to Eeror port if failed.  
	</p>
</script>