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node-red/nodes/io/30-socketin.html

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<!--
Copyright 2013 IBM Corp.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
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
limitations under the License.
-->
<script type="text/x-red" data-template-name="socket in">
<div class="form-row">
<label for="node-input-transport"><i class="icon-tasks"></i> Type</label>
<select type="text" id="node-input-transport" style="width: 150px;">
<option value="http">http listen</option>
<option value="tcp">tcp server</option>
<!-- <option value="tcpc">tcp client</option> -->
<option value="udp">udp socket</option>
</select>
</div>
<div class="form-row">
<label for="node-input-port"><i class="icon-random"></i> Port</label>
<input type="text" id="node-input-port" placeholder="Port">
</div>
<div class="form-row">
<label for="node-input-topic"><i class="icon-tasks"></i> Topic</label>
<input type="text" id="node-input-topic" placeholder="Topic">
</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.</div>
</script>
<script type="text/x-red" data-help-name="socket in">
<p>Provides a input node for http, tcp or udp sockets. Topic is optional. These are server like sockets.</p>
<p>The TCP and UDP sockets produce a <i>BUFFER</i> object msg.payload and NOT a String. If you need a String then use .toString() on msg.payload in your next function block.</p>
<p>TCP and UDP sockets also provide <b>msg.fromip</b> of the form ipaddress:port</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('socket in',{
category: 'input',
color:"Silver",
defaults: {
name: {value:""},
topic: {value:""},
port: {value:"",required:true},
transport: {value:"tcp",required:true}
},
inputs:0,
outputs:1,
icon: "bridge-dash.png",
label: function() {
return this.name||this.topic||(this.transport+":"+this.port);
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>