node-red/nodes/io/32-multicast.html

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  Copyright 2013 IBM Corp.

  Licensed under the Apache License, Version 2.0 (the "License");
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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
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<!--  The Input Node  -->
<script type="text/x-red" data-template-name="multicast in">
    <div class="form-row">
        <label for="node-input-group"><i class="icon-tasks"></i> Group</label>
        <input type="text" id="node-input-group" placeholder="225.0.18.83" style="width: 40%;">
        <label for="node-input-port" style="margin-left: 10px; width: 35px;"> Port</label>
        <input type="text" id="node-input-port" placeholder="Port" style="width: 45px">
    </div>
    <div class="form-row">
        <label for="node-input-iface"><i class="icon-globe"></i> Interface</label>
        <input type="text" id="node-input-iface" placeholder="eth0">
    </div>
    <div class="form-row">
        <label>&nbsp;</label>
        <input type="checkbox" id="node-input-base64" placeholder="base64" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-input-base64" style="width: 70%;">Base64 encode payload ?</label>
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
    <div class="form-tips">Tip: sends the received data as a Buffer object (not a String).<br/>Make sure your firewall will allow the data in.</div>
</script>

<script type="text/x-red" data-help-name="multicast in">
	<p>A multicast udp input node, that produces a <b>msg.payload</b> containing a <i>BUFFER</i> object and NOT a String.</p>
	<p>If you need a String then use <i>.toString()</i> on <b>msg.payload</b> in your next function block.</p>
	<p>It also provides <b>msg.fromip</b> of the form ipaddress:port .</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('multicast in',{
        category: 'input',
        color:"Silver",
        defaults: {
            name: {value:""},
            group: {value:"",required:true},
            host: {value:""},
            iface: {value:""},
            port: {value:"",required:true,validate:RED.validators.number()},
            base64: {value:false,required:true},
            multicast: {value:"true"}
        },
        inputs:0,
        outputs:1,
        icon: "bridge-dash.png",
        label: function() {
            if ((this.group!="") & (this.port!="")) {
                return this.name||(this.group+":"+this.port);
            }
            else { return "multicast in"; }
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>

<!--  The Output Node  -->
<script type="text/x-red" data-template-name="multicast out">
    <div class="form-row">
        <label for="node-input-group"><i class="icon-tasks"></i> Group</label>
        <input type="text" id="node-input-group" placeholder="225.0.18.83" style="width: 40%;">
        <label for="node-input-port" style="margin-left: 10px; width: 35px;"> Port</label>
        <input type="text" id="node-input-port" placeholder="Port" style="width: 45px">
    </div>

    <div class="form-row">
        <label for="node-input-iface"><i class="icon-globe"></i> Interface</label>
        <input type="text" id="node-input-iface" placeholder="eth0">
    </div>

    <div class="form-row">
        <label>&nbsp;</label>
        <input type="checkbox" id="node-input-base64" placeholder="base64" style="display: inline-block; width: auto; vertical-align: top;">
        <label for="node-input-base64" style="width: 70%;">Decode Base64 encoded payload ?</label>
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
</script>

<script type="text/x-red" data-help-name="multicast out">
	<p>This node sends <b>msg.payload</b> to the designated multicast group and port.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('multicast out',{
        category: 'output',
        color:"Silver",
        defaults: {
            name: {value:""},
            group: {value:"",required:true},
            host: {value:""},
            iface: {value:""},
            port: {value:"",required:true,validate:RED.validators.number()},
            base64: {value:false,required:true},
            multicast: {value:"true"}
        },
        inputs:1,
        outputs:0,
        icon: "bridge-dash.png",
        align: "right",
        label: function() {
            if ((this.group!="") & (this.port!="")) {
                return this.name||(this.group+":"+this.port);
            }
            else { return "multicast out"; }
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        }
    });
</script>