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Merge pull request #3166 from node-red/output-discarded-rate-limit

Delay node: add option to send intermediate messages on separate output
This commit is contained in:
Nick O'Leary 2021-10-06 17:34:44 +01:00 committed by GitHub
commit 4adad6e424
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5 changed files with 67 additions and 12 deletions

View File

@ -137,10 +137,10 @@
padding: 0;
border: 1px solid $form-input-border-color;
}
.ui-spinner input {
.ui-spinner input[type=text] {
background: $form-input-background;
margin: 0 17px 0 0;
padding: 6px;
padding: 8px;
border: none;
border-top-right-radius: 0px;
border-bottom-right-radius: 0px;

View File

@ -78,11 +78,17 @@
<option value="day" data-i18n="delay.label.units.day.singular"></option>
</select>
</div>
<div class="form-row" id="rate-override">
<label></label><input style="width:30px; vertical-align:baseline;" type="checkbox" id="node-input-allowrate"><label style="width: 250px;" for="node-input-allowrate" data-i18n="delay.allowrate"></label>
<div class="form-row" id="rate-override" style="display: flex; align-items: center">
<label></label><input style="width:30px; margin:0" type="checkbox" id="node-input-allowrate"><label style="margin:0;width: auto;" for="node-input-allowrate" data-i18n="delay.allowrate"></label>
</div>
<div class="form-row" id="rate-details-drop">
<label></label><input style="width:30px;; vertical-align:baseline;" type="checkbox" id="node-input-drop"><label style="width: 250px;" for="node-input-drop" data-i18n="delay.dropmsg"></label>
<input type="hidden" id="node-input-outputs" value="1">
<label></label>
<select id="node-input-drop-select" style="width: 70%">
<option id="node-input-drop-select-queue" value="queue" data-i18n="delay.queuemsg"></option>
<option value="drop" data-i18n="delay.dropmsg"></option>
<option value="emit" data-i18n="delay.sendmsg"></option>
</select>
</div>
<div class="form-row" id="rate-details-per-topic">
<label></label>
@ -114,7 +120,8 @@
randomLast: {value:"5", required:true, validate:function(v) { return RED.validators.number(v) && (v >= 0); }},
randomUnits: {value: "seconds"},
drop: {value:false},
allowrate: {value:false}
allowrate: {value:false},
outputs: { value: 1},
},
inputs:1,
outputs:1,
@ -234,12 +241,23 @@
}
}).trigger("change");
if (this.outputs === 2) {
$("#node-input-drop-select").val("emit");
} else if (this.drop) {
$("#node-input-drop-select").val("drop");
} else {
$("#node-input-drop-select").val("queue");
}
$("#node-input-rate-type").on("change", function() {
if (this.value === "all") {
$("#node-input-drop").attr('disabled',false).next().css("opacity",1)
$("#rate-details-per-topic").hide();
$("#node-input-drop-select-queue").attr('disabled', false);
} else if (this.value === "topic") {
$("#node-input-drop").prop('checked',true).attr('disabled',true).next().css("opacity",0.5)
if ($("#node-input-drop-select").val() === "queue") {
$("#node-input-drop-select").val("drop");
}
$("#node-input-drop-select-queue").attr('disabled', true);
$("#rate-details-per-topic").show();
}
}).trigger("change");
@ -248,6 +266,7 @@
var action = $("#node-input-delay-action").val();
if (action === "delay") {
this.pauseType = $("#node-input-delay-type").val();
$("#node-input-outputs").val(1);
} else if (action === "rate") {
action = $("#node-input-rate-type").val();
if (action === "all") {
@ -255,6 +274,9 @@
} else {
this.pauseType = $("#node-input-rate-topic-type").val();
}
var dropType = $("#node-input-drop-select").val();
this.drop = dropType !== "queue";
$("#node-input-outputs").val(dropType === "emit"?2:1);
}
}
});

View File

@ -95,6 +95,7 @@ module.exports = function(RED) {
this.droppedMsgs = 0;
this.allowrate = n.allowrate|| false;
this.fixedrate = this.rate;
this.outputs = n.outputs;
var node = this;
function ourTimeout(handler, delay, clearHandler) {
@ -324,6 +325,8 @@ module.exports = function(RED) {
else if ( ( (timeSinceLast[0] * SECONDS_TO_NANOS) + timeSinceLast[1] ) > (node.rate * MILLIS_TO_NANOS) ) {
node.lastSent = process.hrtime();
send(msg);
} else if (node.outputs === 2) {
send([null,msg])
}
}
done();

View File

@ -290,7 +290,9 @@
"and": "&",
"rate": "Rate",
"msgper": "msg(s) per",
"dropmsg": "drop intermediate messages",
"queuemsg": "Queue intermediate messages",
"dropmsg": "Drop intermediate messages",
"sendmsg": "Send intermediate messages on 2nd output",
"allowrate": "allow msg.rate (in ms) to override rate",
"label": {
"delay": "delay",

View File

@ -251,13 +251,28 @@ describe('delay Node', function() {
* @param nbUnit - the multiple of the unit, aLimit Message for nbUnit Seconds
* @param runtimeInMillis - when to terminate run and count messages received
*/
function dropRateLimitSECONDSTest(aLimit, nbUnit, runtimeInMillis, rateValue, done) {
var flow = [{"id":"delayNode1","type":"delay","name":"delayNode","pauseType":"rate","timeout":5,"nbRateUnits":nbUnit,"timeoutUnits":"seconds","rate":aLimit,"rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":true,"wires":[["helperNode1"]]},
{id:"helperNode1", type:"helper", wires:[]}];
function dropRateLimitSECONDSTest(aLimit, nbUnit, runtimeInMillis, rateValue, sendIntermediate, done) {
if (!done) {
done = sendIntermediate;
sendIntermediate = false;
}
var outputs = 1;
if (sendIntermediate) {
outputs = 2;
}
var flow = [
{"id":"delayNode1","type":"delay","name":"delayNode","pauseType":"rate","timeout":5,"nbRateUnits":nbUnit,"timeoutUnits":"seconds","rate":aLimit,"rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":true,outputs:outputs,"wires":[["helperNode1"],["helperNode2"]]},
{id:"helperNode1", type:"helper", wires:[]},
{id:"helperNode2", type:"helper", wires:[]}
]
;
helper.load(delayNode, flow, function() {
var delayNode1 = helper.getNode("delayNode1");
var helperNode1 = helper.getNode("helperNode1");
var helperNode2 = helper.getNode("helperNode2");
var receivedMessagesStack = [];
var receivedIntermediateMessagesStack = [];
// Add a small grace to the calculated delay
var rate = 1000/aLimit + 10;
@ -273,6 +288,9 @@ describe('delay Node', function() {
receiveTimestamp = process.hrtime();
receivedMessagesStack.push(msg);
});
helperNode2.on("input", function(msg) {
receivedIntermediateMessagesStack.push(msg);
});
var possibleMaxMessageCount = Math.ceil(aLimit * (runtimeInMillis / 1000) + aLimit); // +aLimit as at the start of the 2nd period, we're allowing the 3rd burst
@ -304,6 +322,11 @@ describe('delay Node', function() {
}
}
foundAtLeastOneDrop.should.be.true();
if (sendIntermediate) {
receivedIntermediateMessagesStack.length.should.be.greaterThan(0);
} else {
receivedIntermediateMessagesStack.length.should.be.exactly(0);
}
done();
} catch (err) {
done(err);
@ -327,6 +350,11 @@ describe('delay Node', function() {
dropRateLimitSECONDSTest(2, 1, 5000, null, done);
});
it('limits the message rate to 2 per second, 5 seconds, with drop, 2nd output', function(done) {
this.timeout(6000);
dropRateLimitSECONDSTest(2, 1, 5000, null, true, done);
});
it('limits the message rate with drop using msg.rate', function (done) {
this.timeout(6000);
RED.settings.nodeMessageBufferMaxLength = 3;