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node-red/nodes/core/io/10-mqtt.html

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<script type="text/x-red" data-template-name="mqtt in">
<div class="form-row">
<label for="node-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
<input type="text" id="node-input-broker">
</div>
<div class="form-row">
<label for="node-input-topic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
<input type="text" id="node-input-topic" data-i18n="[placeholder]common.label.topic">
</div>
<div class="form-row">
<label for="node-input-qos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-input-qos" style="width:125px !important">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
</div>
</script>
<script type="text/x-red" data-help-name="mqtt in">
<p>Connects to a MQTT broker and subscribes to messages from the specified topic.</p>
<h3>Outputs</h3>
<dl class="message-properties">
<dt>payload <span class="property-type">string | buffer</span></dt>
<dd>a string unless detected as a binary buffer.</dd>
<dt>topic <span class="property-type">string</span></dt>
<dd>the MQTT topic, uses / as a heirarchy separator.</dd>
<dt>qos <span class="property-type">number</span> </dt>
<dd>0, fire and forget - 1, at least once - 2, once and once only.</dd>
<dt>retain <span class="property-type">boolean</span></dt>
<dd>true indicates the message was retained and may be old.</dd>
</dl>
<h3>Details</h3>
The subscription topic can include MQTT wildcards, + for one level, # for multiple levels.</p>
<p>This node requires a connection to a MQTT broker to be configured. This is configured by clicking
the pencil icon.</p>
<p>Several MQTT nodes (in or out) can share the same broker connection if required.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('mqtt in',{
category: 'input',
defaults: {
name: {value:""},
topic: {value:"",required:true,validate: RED.validators.regex(/^(#$|(\+|[^+#]*)(\/(\+|[^+#]*))*(\/(\+|#|[^+#]*))?$)/)},
qos: {value: "2"},
broker: {type:"mqtt-broker", required:true}
},
color:"#d8bfd8",
inputs:0,
outputs:1,
icon: "bridge.png",
label: function() {
return this.name||this.topic||"mqtt";
},
labelStyle: function() {
return this.name?"node_label_italic":"";
},
oneditprepare: function() {
if (this.qos === undefined) {
$("#node-input-qos").val("2");
}
}
});
</script>
<script type="text/x-red" data-template-name="mqtt out">
<div class="form-row">
<label for="node-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
<input type="text" id="node-input-broker">
</div>
<div class="form-row">
<label for="node-input-topic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
<input type="text" id="node-input-topic" data-i18n="[placeholder]common.label.topic">
</div>
<div class="form-row">
<label for="node-input-qos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-input-qos" style="width:125px !important">
<option value=""></option>
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
&nbsp;&nbsp;<i class="fa fa-history"></i>&nbsp;<span data-i18n="mqtt.retain"></span> &nbsp;<select id="node-input-retain" style="width:125px !important">
<option value=""></option>
<option value="false" data-i18n="mqtt.false"></option>
<option value="true" data-i18n="mqtt.true"></option>
</select>
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="common.label.name"></span></label>
<input type="text" id="node-input-name" data-i18n="[placeholder]common.label.name">
</div>
<div class="form-tips"><span data-i18n="mqtt.tip"></span></div>
</script>
<script type="text/x-red" data-help-name="mqtt out">
<p>Connects to a MQTT broker and publishes messages.</p>
<h3>Inputs</h3>
<dl class="message-properties">
<dt>payload <span class="property-type">string | buffer</span></dt>
<dd> most users prefer simple text payloads, but binary buffers can also be published.</dd>
<dt class="optional">topic <span class="property-type">string</span></dt>
<dd> the MQTT topic to publish to.</dd>
<dt class="optional">qos <span class="property-type">number</span></dt>
<dd>0, fire and forget - 1, at least once - 2, once and once only. Default 0.</dd>
<dt class="optional">retain <span class="property-type">boolean</span></dt>
<dd>set to true to retain the message on the broker. Default false.</dd>
</dl>
<h3>Details</h3>
<code>msg.payload</code> is used as the payload of the published message.
If it contains an Object it will be converted to a JSON string before being sent.
If it contains a binary Buffer the message will be published as-is.</p>
<p>The topic used can be configured in the node or, if left blank, can be set by <code>msg.topic</code>.</p>
<p>Likewise the QoS and retain values can be configured in the node or, if left
blank, set by <code>msg.qos</code> and <code>msg.retain</code> respectively. To clear a previously
retained topic from the broker, send a blank message to that topic with the retain flag set.</p>
<p>This node requires a connection to a MQTT broker to be configured. This is configured by clicking
the pencil icon.</p>
<p>Several MQTT nodes (in or out) can share the same broker connection if required.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('mqtt out',{
category: 'output',
defaults: {
name: {value:""},
topic: {value:""},
qos: {value:""},
retain: {value:""},
broker: {type:"mqtt-broker", required:true}
},
color:"#d8bfd8",
inputs:1,
outputs:0,
icon: "bridge.png",
align: "right",
label: function() {
return this.name||this.topic||"mqtt";
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>
<script type="text/x-red" data-template-name="mqtt-broker">
<div class="form-row">
<ul style="background: #fff; min-width: 600px; margin-bottom: 20px;" id="node-config-mqtt-broker-tabs"></ul>
</div>
<div id="node-config-mqtt-broker-tabs-content" style="min-height: 170px;">
<div id="mqtt-broker-tab-connection" style="display:none">
<div class="form-row node-input-broker">
<label for="node-config-input-broker"><i class="fa fa-globe"></i> <span data-i18n="mqtt.label.broker"></span></label>
<input class="input-append-left" type="text" id="node-config-input-broker" style="width:40%;" data-i18n="[placeholder]mqtt.label.example">
<label for="node-config-input-port" style="margin-left:20px; width:43px; "> <span data-i18n="mqtt.label.port"></span></label>
<input type="text" id="node-config-input-port" data-i18n="[placeholder]mqtt.label.port" style="width:55px">
</div>
<div class="form-row">
<input type="checkbox" id="node-config-input-usetls" style="display: inline-block; width: auto; vertical-align: top;">
<label for="node-config-input-usetls" style="width: auto" data-i18n="mqtt.label.use-tls"></label>
<div id="node-config-row-tls" class="hide">
<label style="width: auto; margin-left: 20px; margin-right: 10px;" for="node-config-input-tls"><span data-i18n="mqtt.label.tls-config"></span></label><input style="width: 300px;" type="text" id="node-config-input-tls">
</div>
</div>
<div class="form-row">
<label for="node-config-input-clientid"><i class="fa fa-tag"></i> <span data-i18n="mqtt.label.clientid"></span></label>
<input type="text" id="node-config-input-clientid" data-i18n="[placeholder]mqtt.placeholder.clientid">
</div>
<div class="form-row">
<label for="node-config-input-keepalive" style="width: auto"><i class="fa fa-clock-o"></i> <span data-i18n="mqtt.label.keepalive"></span></label>
<input type="text" id="node-config-input-keepalive" style="width: 50px">
<input type="checkbox" id="node-config-input-cleansession" style="margin-left: 30px; height: 1em;display: inline-block; width: auto; vertical-align: middle;">
<label for="node-config-input-cleansession" style="width: auto;" data-i18n="mqtt.label.cleansession"></label>
</div>
<div class="form-row">
<input type="checkbox" id="node-config-input-compatmode" style="display: inline-block; width: auto; vertical-align: top;">
<label for="node-config-input-compatmode" style="width: auto;" data-i18n="mqtt.label.compatmode"></label>
</div>
</div>
<div id="mqtt-broker-tab-security" style="display:none">
<div class="form-row">
<label for="node-config-input-user"><i class="fa fa-user"></i> <span data-i18n="common.label.username"></span></label>
<input type="text" id="node-config-input-user">
</div>
<div class="form-row">
<label for="node-config-input-password"><i class="fa fa-lock"></i> <span data-i18n="common.label.password"></span></label>
<input type="password" id="node-config-input-password">
</div>
</div>
<div id="mqtt-broker-tab-birth" style="display:none">
<div class="form-row">
<label for="node-config-input-birthTopic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
<input type="text" id="node-config-input-birthTopic" data-i18n="[placeholder]mqtt.placeholder.birth-topic">
</div>
<div class="form-row">
<label for="node-config-input-birthQos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-config-input-birthQos" style="width:125px !important">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
&nbsp;&nbsp;<i class="fa fa-history"></i>&nbsp;<span data-i18n="mqtt.retain"></span> &nbsp;<select id="node-config-input-birthRetain" style="width:125px !important">
<option value="false" data-i18n="mqtt.false"></option>
<option value="true" data-i18n="mqtt.true"></option>
</select>
</div>
<div class="form-row">
<label for="node-config-input-birthPayload"><i class="fa fa-envelope"></i> <span data-i18n="common.label.payload"></span></label>
<input type="text" id="node-config-input-birthPayload" data-i18n="[placeholder]common.label.payload">
</div>
</div>
<div id="mqtt-broker-tab-will" style="display:none">
<div class="form-row">
<label for="node-config-input-willTopic"><i class="fa fa-tasks"></i> <span data-i18n="common.label.topic"></span></label>
<input type="text" id="node-config-input-willTopic" data-i18n="[placeholder]mqtt.placeholder.will-topic">
</div>
<div class="form-row">
<label for="node-config-input-willQos"><i class="fa fa-empire"></i> <span data-i18n="mqtt.label.qos"></span></label>
<select id="node-config-input-willQos" style="width:125px !important">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
&nbsp;&nbsp;<i class="fa fa-history"></i>&nbsp;<span data-i18n="mqtt.retain"></span> &nbsp;<select id="node-config-input-willRetain" style="width:125px !important">
<option value="false" data-i18n="mqtt.false"></option>
<option value="true" data-i18n="mqtt.true"></option>
</select>
</div>
<div class="form-row">
<label for="node-config-input-willPayload"><i class="fa fa-envelope"></i> <span data-i18n="common.label.payload"></span></label>
<input type="text" id="node-config-input-willPayload" data-i18n="[placeholder]common.label.payload">
</div>
</div>
</div>
</script>
<script type="text/x-red" data-help-name="mqtt-broker">
<p>A minimum MQTT broker connection requires only a broker server address to be added to the default configuration.</p>
<p>To secure the connection with SSL/TLS, a TLS Configuration must also be configured and selected.</p>
<p>If you create a Client ID it must be unique to the broker you are connecting to.</p>
<p>For more information about MQTT see the <a href="http://www.eclipse.org/paho/" target="_blank">Eclipse Paho</a> site.</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('mqtt-broker',{
category: 'config',
defaults: {
broker: {value:"",required:true},
port: {value:1883,required:true,validate:RED.validators.number()},
tls: {type:"tls-config",required: false},
clientid: {value:"", validate: function(v) {
if ($("#node-config-input-clientid").length) {
// Currently editing the node
return $("#node-config-input-cleansession").is(":checked") || (v||"").length > 0;
} else {
return (this.cleansession===undefined || this.cleansession) || (v||"").length > 0;
}
}},
usetls: {value: false},
verifyservercert: { value: false},
compatmode: { value: true},
keepalive: {value:60,validate:RED.validators.number()},
cleansession: {value: true},
willTopic: {value:""},
willQos: {value:"0"},
willRetain: {value:false},
willPayload: {value:""},
birthTopic: {value:""},
birthQos: {value:"0"},
birthRetain: {value:false},
birthPayload: {value:""}
},
credentials: {
user: {type:"text"},
password: {type: "password"}
},
label: function() {
var b = this.broker;
if (b === "") { b = "undefined"; }
return (this.clientid?this.clientid+"@":"")+b+":"+this.port;
},
oneditprepare: function () {
var tabs = RED.tabs.create({
id: "node-config-mqtt-broker-tabs",
onchange: function(tab) {
$("#node-config-mqtt-broker-tabs-content").children().hide();
$("#" + tab.id).show();
}
});
tabs.addTab({
id: "mqtt-broker-tab-connection",
label: this._("mqtt.tabs-label.connection")
});
tabs.addTab({
id: "mqtt-broker-tab-security",
label: this._("mqtt.tabs-label.security")
});
tabs.addTab({
id: "mqtt-broker-tab-birth",
label: this._("mqtt.tabs-label.birth")
});
tabs.addTab({
id: "mqtt-broker-tab-will",
label: this._("mqtt.tabs-label.will")
});
setTimeout(function() { tabs.resize(); },0);
if (typeof this.cleansession === 'undefined') {
this.cleansession = true;
$("#node-config-input-cleansession").prop("checked",true);
}
if (typeof this.usetls === 'undefined') {
this.usetls = false;
$("#node-config-input-usetls").prop("checked",false);
}
if (typeof this.compatmode === 'undefined') {
this.compatmode = true;
$("#node-config-input-compatmode").prop('checked', true);
}
if (typeof this.keepalive === 'undefined') {
this.keepalive = 15;
$("#node-config-input-keepalive").val(this.keepalive);
}
if (typeof this.willQos === 'undefined') {
this.willQos = "0";
$("#node-config-input-willQos").val("0");
}
if (typeof this.birthQos === 'undefined') {
this.birthQos = "0";
$("#node-config-input-birthQos").val("0");
}
function updateTLSOptions() {
if ($("#node-config-input-usetls").is(':checked')) {
$("#node-config-row-tls").show();
} else {
$("#node-config-row-tls").hide();
}
}
updateTLSOptions();
$("#node-config-input-usetls").on("click",function() {
updateTLSOptions();
});
var node = this;
function updateClientId() {
if ($("#node-config-input-cleansession").is(":checked")) {
$("#node-config-input-clientid").attr("placeholder",node._("mqtt.placeholder.clientid"));
} else {
$("#node-config-input-clientid").attr("placeholder",node._("mqtt.placeholder.clientid-nonclean"));
}
$("#node-config-input-clientid").change();
}
setTimeout(updateClientId,0);
$("#node-config-input-cleansession").on("click",function() {
updateClientId();
});
},
oneditsave: function() {
if (!$("#node-config-input-usetls").is(':checked')) {
$("#node-config-input-tls").val("");
}
}
});
</script>