mirror of https://github.com/node-red/node-red.git
Added random delay to delay node
This commit is contained in:
Ben Hardill
parent
89dc15567d
commit
e9a64f7bdf
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@ -14,12 +14,15 @@
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limitations under the License.
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-->
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<!-- First, the content of the edit dialog is defined. -->
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<script type="text/x-red" data-template-name="delay">
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<div class="form-row">
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<label for="node-input-pauseType"><i class="icon-tasks"></i> Action</label>
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<select id="node-input-pauseType" style="width:270px !important">
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<option value="delay">Delay message</option>
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<option value="rate">Limit message rate</option>
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<option value="rate">Limit rate to</option>
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<option value="random">Random delay</option>
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</select>
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</div>
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<div id="delay-details" class="form-row">
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@ -33,10 +36,11 @@
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<option value="days">Days</option>
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</select>
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</div>
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<div id="rate-details" class="form-row">
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<label for="node-input-rate"><i class="icon-time"></i> To</label>
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<input type="text" id="node-input-rate" placeholder="1" style="direction:rtl; width:40px !important">
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<label for="node-input-rateUnits" style="width:120px !important">message(s) per</label>
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<input type="text" id="node-input-rate" placeholder="1" style="direction:rtl; width:50px !important">
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<label for="node-input-reateUnits">message(s) per</label>
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<select id="node-input-rateUnits" style="width:140px !important">
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<option value="second">Second</option>
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<option value="minute">Minute</option>
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@ -44,72 +48,114 @@
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<option value="day">Day</option>
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</select>
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</div>
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<div id="random-details" class="form-row">
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<label for="node-input-randomFirst"><i class="icon-time"></i> Between</label>
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<input type="text" id="node-input-randomFirst" placeholder="" style="directon:rtl; width:30px !important">
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<label for="node-input-randomLast" style="width:20px"> & </label>
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<input type="text" id="node-input-randomLast" placeholder="" style="directon:rtl; width:30px !important">
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<select id="node-input-randomUnits" style="width:140px !important">
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<option value="milliseconds">Milliseconds</option>
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<option value="seconds">Seconds</option>
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<option value="minutes">Minutes</option>
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<option value="hours">Hours</option>
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<option value="days">Days</option>
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</select>
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<!-- Next, some simple help text is provided for the node. -->
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<script type="text/x-red" data-help-name="delay">
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<p>Introduces a delay into a flow or rate limits messages</p>
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<p>Default delay is 5 seconds or rate limit of 1 message/second, but both can be configured</p>
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<p>The rate limiter will delay messages by buffering in a time released queue. A warning is generated if the buffer is larger than 1000 items.</p>
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<p>Introduces a delay into a flow or rate limts messges</p>
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<p>Default delay is 5 seconds and rate limit of 1 msg/second, but both can be configured</p>
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</script>
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<!-- Finally, the node type is registered along with all of its properties -->
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<script type="text/javascript">
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RED.nodes.registerType('delay',{
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category: 'function',
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category: 'function', // the palette category
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color:"#E6E0F8",
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defaults: {
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name: {value:""},
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defaults: { // defines the editable properties of the node
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name: {value:""}, // along with default values.
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pauseType: {value:"delay", required:true},
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timeout: {value:"5", required:true, validate:RED.validators.number()},
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timeoutUnits: {value:"seconds"},
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rate: {value:"1", required:true, validate:RED.validators.number()},
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rateUnits: {value: "second"}
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rateUnits: {value: "second"},
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randomFirst: {value:"1", required:true, valudate:RED.validators.number},
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randomLast: {value:"5", required:true, valudate:RED.validators.number},
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randomUnits: {value: "seconds"}
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},
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inputs:1,
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outputs:1,
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icon: "timer.png",
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label: function() {
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inputs:1, // set the number of inputs - only 0 or 1
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outputs:1, // set the number of outputs - 0 to n
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icon: "arrow-in.png", // set the icon (held in public/icons)
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label: function() { // sets the default label contents
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if (this.pauseType == "delay") {
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var units = this.timeoutUnits ? this.timeoutUnits.charAt(0) : "s";
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return this.name||"delay "+this.timeout+" " + units;
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} else if (this.pauseType == "rate") {
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var units = this.rateUnits ? this.rateUnits.charAt(0) : "s";
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return this.name||"limit "+this.rate+" msg/"+ units;
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} else if (this.pauseType == "random") {
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return "random";
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}
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return "";
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return "foo";
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},
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labelStyle: function() {
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labelStyle: function() { // sets the class to apply to the label
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return this.name?"node_label_italic":"";
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},
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oneditprepare: function() {
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$( "#node-input-timeout" ).spinner({ min:1, max:60 });
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$( "#node-input-rate" ).spinner({ min:1});
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$( "#node-input-timeout" ).spinner();
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$( "#node-input-rate" ).spinner();
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$( "#node-input-randomFirst" ).spinner();
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$( "#node-input-randomLast" ).spinner();
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if (this.pauseType == "delay") {
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$("#delay-details").show();
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$("#rate-details").hide();
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$("#random-details").hide();
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} else if (this.pauseType == "rate") {
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$("#delay-details").hide();
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$("#rate-details").show();
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$("#random-details").hide();
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} else if (this.pauseType == "random") {
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$("#delay-details").hide();
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$("#rate-details").hide();
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$("#random-details").show();
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}
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if (!this.timeoutUnits) {
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$("#node-input-timeoutUnits option").filter(function() {
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return $(this).val() == 'seconds';
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return $(this).val() == 'seconds';
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}).attr('selected', true);
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}
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if (!this.randomUnits) {
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$("#node-input-randomUnits option").filter(function() {
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return $(this).val() == 'seconds';
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}).attr('selected', true);
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}
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$("#node-input-pauseType").on("change",function() {
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if (this.value == "delay") {
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$("#delay-details").show();
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$("#rate-details").hide();
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$("#random-details").hide();
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} else if (this.value == "rate") {
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$("#delay-details").hide();
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$("#rate-details").show();
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$("#random-details").hide();
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} else if (this.value == "random") {
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$("#delay-details").hide();
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$("#rate-details").hide();
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$("#random-details").show();
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}
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});
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}
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@ -14,89 +14,144 @@
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* limitations under the License.
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**/
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// Simple node to introduce a pause into a flow
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//Simple node to introduce a pause into a flow
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//Require main module
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var RED = require("../../red/red");
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function DelayNode(n) {
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RED.nodes.createNode(this,n);
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var node;
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this.pauseType = n.pauseType;
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this.timeoutUnits = n.timeoutUnits;
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this.rateUnits = n.rateUnits;
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if (n.timeoutUnits == "milliseconds") {
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this.timeout = n.timout;
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} else if (n.timeoutUnits == "seconds") {
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this.timeout = n.timeout * 1000;
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} else if (n.timeoutUnits == "minutes") {
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this.timeout = n.timeout * (60 * 1000);
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} else if (n.timeoutUnits == "hours") {
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this.timeout = n.timeout * (60 * 60 * 1000);
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} else if (n.timeoutUnits == "days") {
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this.timeout = n.timeout * (24 * 60 * 60 * 1000);
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}
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if (n.rateUnits == "second") {
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this.rate = 1000/n.rate;
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} else if (n.rateUnits == "minute") {
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this.rate = (60 * 1000)/n.rate;
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} else if (n.rateUnits == "hour") {
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this.rate = (60 * 60 * 1000)/n.rate;
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} else if (n.rateUnits == "day") {
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this.rate = (24 * 60 * 60 * 1000)/n.rate;
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}
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this.name = n.name;
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this.idList = [];
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this.buffer = [];
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this.intervalID = -1;
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var node= this;
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if (this.pauseType == "delay") {
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this.on("input", function(msg) {
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var node= this;
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var id;
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id = setTimeout(function(){
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node.idList.splice(node.idList.indexOf(id),1);
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node.send(msg);
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}, node.timeout);
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this.idList.push(id);
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});
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this.on("close", function() {
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for (var i=0; i<this.idList.length; i++ ) {
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clearTimeout(this.idList[i]);
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}
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this.idList = [];
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});
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} else if (this.pauseType == "rate") {
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this.on("input", function(msg) {
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if ( node.intervalID != -1) {
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node.buffer.push(msg);
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if (node.buffer.length > 1000) {
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node.warn(this.name + " buffer exceeded 1000 messages");
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}
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} else {
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node.send(msg);
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node.intervalID = setInterval(function() {
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if (node.buffer.length == 0) {
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clearInterval(node.intervalID);
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node.intervalID = -1;
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}
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if (node.buffer.length > 0) {
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node.send(node.buffer.shift());
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}
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},node.rate);
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}
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});
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this.on("close", function() {
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clearInterval(this.intervalID);
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this.buffer = [];
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});
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}
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function random() {
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var wait = node.randomFirst + (node.diff * Math.random());
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if (node.buffer.length > 0) {
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node.send(node.buffer.pop());
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node.randomID = setTimeout(random,wait);
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} else {
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node.randomID = -1;
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}
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}
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//main node definition
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function DelayNode(n) {
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RED.nodes.createNode(this,n);
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this.pauseType = n.pauseType;
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this.timeoutUnits = n.timeoutUnits;
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this.randomUnits = n.randomUnits;
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this.rateUnits = n.rateUnits;
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if (n.timeoutUnits === "milliseconds") {
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this.timeout = n.timout;
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} else if (n.timeoutUnits === "seconds") {
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this.timeout = n.timeout * 1000;
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} else if (n.timeoutUnits === "minutes") {
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this.timeout = n.timeout * (60 * 1000);
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} else if (n.timeoutUnits === "hours") {
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this.timeout = n.timeout * (60 * 60 * 1000);
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} else if (n.timeoutUnits === "days") {
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this.timeout = n.timeout * (24 * 60 * 60 * 1000);
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}
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if (n.rateUnits === "second") {
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this.rate = 1000/n.rate;
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} else if (n.rateUnits === "minute") {
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this.rate = (60 * 1000)/n.rate;
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} else if (n.rateUnits === "hour") {
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this.rate = (60 * 60 * 1000)/n.rate;
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} else if (n.rateUnits === "day") {
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this.rate = (24 * 60 * 60 * 1000)/n.rate;
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}
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if (n.randomUnits === "milliseconds") {
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this.randomFirst = n.randomFirst;
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this.randomLast = n.randomLast;
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} else if (n.randomUnits === "seconds") {
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this.randomFirst = n.randomFirst * 1000;
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this.randomLast = n.randomLast * 1000;
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} else if (n.randomUnits === "minutes") {
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this.randomFirst = n.randomFirst * (60 * 1000);
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this.randomLast = n.randomLast * (60 * 1000);
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} else if (n.randomUnits === "hours") {
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this.randomFirst = n.randomFirst * (60 * 60 * 1000);
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this.randomLast = n.randomLast * (60 * 60 * 1000);
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} else if (n.randomUnits === "days") {
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this.randomFirst = n.randomFirst * (24 * 60 * 60 * 1000);
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this.randomLast = n.randomLast * (24 * 60 * 60 * 1000);
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}
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this.diff = this.randomLast - this.randomFirst;
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this.name = n.name;
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this.idList = [];
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this.buffer = [];
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this.intervalID = -1;
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this.randomID = -1;
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node= this;
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if (this.pauseType === "delay") {
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this.on("input", function(msg) {
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var node= this;
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var id;
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id = setTimeout(function(){
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node.idList.splice(node.idList.indexOf(id),1);
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node.send(msg);
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}, node.timeout);
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this.idList.push(id);
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});
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this.on("close", function() {
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for (var i=0; i<this.idList.length; i++ ) {
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clearTimeout(this.idList[i]);
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}
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this.idList = [];
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});
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} else if (this.pauseType === "rate") {
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this.on("input", function(msg) {
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if ( node.intervalID !== -1) {
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node.buffer.push(msg);
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if (node.buffer.length > 1000) {
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node.warn(this.name + " buffer exceeded 1000 messages");
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}
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} else {
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node.send(msg);
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node.intervalID = setInterval(function() {
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if (node.buffer.length === 0) {
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clearInterval(node.intervalID);
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node.intervalID = -1;
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}
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if (node.buffer.length > 0) {
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node.send(node.buffer.shift());
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}
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},node.rate);
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}
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});
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this.on("close", function() {
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clearInterval(this.intervalID);
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this.buffer = [];
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});
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} else if (this.pauseType === "random") {
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this.on("input",function(msg){
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node.buffer.push(msg);
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if (node.randomID === -1) {
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var wait = node.randomFirst + (node.diff * Math.random());
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node.randomID = setTimeout(random,wait);
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}
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});
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this.on("close", function (){
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if (this.randomID !== -1) {
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clearTimeout(node.randomID);
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}
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});
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}
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}
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//register node
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RED.nodes.registerType("delay",DelayNode);
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