2013-09-27 11:55:46 +02:00
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/**
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2017-01-11 16:24:33 +01:00
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* Copyright JS Foundation and other contributors, http://js.foundation
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2013-09-27 11:55:46 +02:00
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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2013-10-17 23:45:17 +02:00
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2013-11-10 18:25:55 +01:00
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//Simple node to introduce a pause into a flow
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2014-05-04 00:32:04 +02:00
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module.exports = function(RED) {
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2014-05-24 00:15:28 +02:00
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"use strict";
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2014-10-24 21:00:08 +02:00
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2014-09-01 11:22:04 +02:00
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var MILLIS_TO_NANOS = 1000000;
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var SECONDS_TO_NANOS = 1000000000;
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2021-04-22 10:01:28 +02:00
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var _maxKeptMsgsCount;
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function maxKeptMsgsCount(node) {
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if (_maxKeptMsgsCount === undefined) {
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var name = "nodeMessageBufferMaxLength";
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if (RED.settings.hasOwnProperty(name)) {
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_maxKeptMsgsCount = RED.settings[name];
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}
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else {
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_maxKeptMsgsCount = 0;
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}
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}
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return _maxKeptMsgsCount;
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}
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2014-10-24 21:00:08 +02:00
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2014-05-04 00:32:04 +02:00
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function DelayNode(n) {
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RED.nodes.createNode(this,n);
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2014-05-24 00:15:28 +02:00
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2014-05-04 00:32:04 +02:00
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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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2014-05-24 00:15:28 +02:00
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2014-05-04 00:32:04 +02:00
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if (n.timeoutUnits === "milliseconds") {
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this.timeout = n.timeout;
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2015-07-08 16:06:46 +02:00
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} else if (n.timeoutUnits === "minutes") {
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2014-05-04 00:32:04 +02:00
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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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2015-03-22 10:38:42 +01:00
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} else { // Default to seconds
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this.timeout = n.timeout * 1000;
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2014-05-04 00:32:04 +02:00
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}
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2014-05-24 00:15:28 +02:00
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2015-03-22 10:38:42 +01:00
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if (n.rateUnits === "minute") {
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2014-05-04 00:32:04 +02:00
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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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2015-03-22 10:38:42 +01:00
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} else { // Default to seconds
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this.rate = 1000/n.rate;
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2014-05-04 00:32:04 +02:00
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}
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2014-05-24 00:15:28 +02:00
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2016-09-16 15:27:14 +02:00
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this.rate *= (n.nbRateUnits > 0 ? n.nbRateUnits : 1);
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2014-05-04 00:32:04 +02:00
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if (n.randomUnits === "milliseconds") {
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2015-01-14 11:18:47 +01:00
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this.randomFirst = n.randomFirst * 1;
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this.randomLast = n.randomLast * 1;
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2014-05-04 00:32:04 +02:00
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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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2015-03-22 10:38:42 +01:00
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} else { // Default to seconds
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this.randomFirst = n.randomFirst * 1000;
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this.randomLast = n.randomLast * 1000;
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2014-05-04 00:32:04 +02:00
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}
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2014-05-24 00:15:28 +02:00
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2014-05-04 00:32:04 +02:00
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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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2014-10-30 09:19:52 +01:00
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this.lastSent = null;
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2014-05-06 10:58:30 +02:00
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this.drop = n.drop;
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2021-04-22 10:01:28 +02:00
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this.droppedMsgs = 0;
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2021-04-22 12:02:34 +02:00
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this.allowrate = n.allowrate|| false;
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this.fixedrate = this.rate;
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2014-05-04 00:32:04 +02:00
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var node = this;
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2014-05-24 00:15:28 +02:00
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2020-10-26 08:52:18 +01:00
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function ourTimeout(handler, delay, clearHandler) {
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2018-09-23 18:31:11 +02:00
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var toutID = setTimeout(handler, delay);
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return {
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2020-10-26 08:52:18 +01:00
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clear: function() { clearTimeout(toutID); clearHandler(); },
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2018-09-23 18:31:11 +02:00
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trigger: function() { clearTimeout(toutID); return handler(); }
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};
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}
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2021-04-22 10:01:28 +02:00
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var sendMsgFromBuffer = 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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const msgInfo = node.buffer.shift();
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2021-07-08 13:13:23 +02:00
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if (Object.keys(msgInfo.msg).length > 1) {
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msgInfo.send(msgInfo.msg);
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msgInfo.done();
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}
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2021-04-22 10:01:28 +02:00
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}
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node.reportDepth();
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}
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2019-04-21 11:31:36 +02:00
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var clearDelayList = function(s) {
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2021-07-08 13:13:23 +02:00
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var len = node.idList.length;
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for (var i=0; i<len; i++ ) { node.idList[i].clear(); }
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2017-05-11 17:12:38 +02:00
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node.idList = [];
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2021-07-08 13:13:23 +02:00
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if (s) { node.status({fill:"blue",shape:"ring",text:0}); }
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2019-04-21 11:31:36 +02:00
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else { node.status({}); }
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2017-05-11 17:12:38 +02:00
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}
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2021-07-08 13:13:23 +02:00
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var flushDelayList = function(n) {
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2018-09-23 18:31:11 +02:00
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var len = node.idList.length;
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2021-07-08 13:13:23 +02:00
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if (typeof(n) == 'number') { len = Math.min(Math.floor(n),len); }
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2018-09-23 18:31:11 +02:00
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for (var i=0; i<len; i++ ) { node.idList[0].trigger(); }
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2021-07-08 13:13:23 +02:00
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node.status({fill:"blue",shape:"dot",text:node.idList.length});
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2018-09-23 18:31:11 +02:00
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}
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node.reportDepth = function() {
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if (!node.busy) {
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node.busy = setTimeout(function() {
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2021-07-08 13:13:23 +02:00
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// if (node.buffer.length > 0) { node.status({text:node.buffer.length}); }
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// else { node.status({}); }
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node.status({fill:"blue",shape:"dot",text:node.buffer.length});
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2018-09-23 18:31:11 +02:00
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node.busy = null;
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}, 500);
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}
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}
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2021-04-22 10:01:28 +02:00
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var loggerId = setInterval(function () {
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if (node.droppedMsgs !== 0) {
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node.debug("node.droppedMsgs = " + node.droppedMsgs);
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node.droppedMsgs = 0;
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}
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}, 15 * 1000);
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node.on("close", function() { clearInterval(loggerId); });
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2016-04-24 12:08:58 +02:00
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if (node.pauseType === "delay") {
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2020-10-26 08:52:18 +01:00
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node.on("input", function(msg, send, done) {
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2021-04-22 10:43:54 +02:00
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var id = ourTimeout(function() {
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node.idList.splice(node.idList.indexOf(id),1);
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2021-07-08 13:13:23 +02:00
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if (node.timeout > 1000) {
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node.status({fill:"blue",shape:"dot",text:node.idList.length});
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}
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2021-04-22 10:43:54 +02:00
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send(msg);
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done();
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}, node.timeout, () => done());
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if (Object.keys(msg).length === 2 && msg.hasOwnProperty("flush")) { id.clear(); }
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else { node.idList.push(id); }
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if (msg.hasOwnProperty("reset")) { clearDelayList(true); }
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2021-07-08 13:13:23 +02:00
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else if (msg.hasOwnProperty("flush")) { flushDelayList(msg.flush); done(); }
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else if (node.timeout > 1000) {
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node.status({fill:"blue",shape:"dot",text:node.idList.length});
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2015-07-08 16:06:46 +02:00
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}
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2014-05-04 00:32:04 +02:00
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});
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2017-05-11 17:12:38 +02:00
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node.on("close", function() { clearDelayList(); });
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}
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else if (node.pauseType === "delayv") {
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2020-10-26 08:52:18 +01:00
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node.on("input", function(msg, send, done) {
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2017-10-10 22:40:09 +02:00
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var delayvar = Number(node.timeout);
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if (msg.hasOwnProperty("delay") && !isNaN(parseFloat(msg.delay))) {
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delayvar = parseFloat(msg.delay);
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}
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2017-05-11 17:12:38 +02:00
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if (delayvar < 0) { delayvar = 0; }
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2018-09-23 18:31:11 +02:00
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var id = ourTimeout(function() {
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2017-05-11 17:12:38 +02:00
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node.idList.splice(node.idList.indexOf(id),1);
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if (node.idList.length === 0) { node.status({}); }
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2020-10-26 08:52:18 +01:00
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send(msg);
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2021-07-08 13:13:23 +02:00
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if (delayvar >= 0) {
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node.status({fill:"blue",shape:"dot",text:node.idList.length});
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}
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2020-10-26 08:52:18 +01:00
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done();
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}, delayvar, () => done());
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2017-05-11 17:12:38 +02:00
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node.idList.push(id);
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2021-04-22 10:43:54 +02:00
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if (msg.hasOwnProperty("reset")) { clearDelayList(true); }
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2021-07-08 13:13:23 +02:00
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if (msg.hasOwnProperty("flush")) { flushDelayList(msg.flush); done(); }
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if (delayvar >= 0) {
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node.status({fill:"blue",shape:"dot",text:node.idList.length});
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2014-05-04 00:32:04 +02:00
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}
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});
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2017-05-11 17:12:38 +02:00
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node.on("close", function() { clearDelayList(); });
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}
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2021-04-22 12:02:34 +02:00
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else if (node.pauseType === "rate") {
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2020-10-26 08:52:18 +01:00
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node.on("input", function(msg, send, done) {
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2019-10-25 17:48:35 +02:00
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if (msg.hasOwnProperty("reset")) {
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if (node.intervalID !== -1 ) {
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clearInterval(node.intervalID);
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node.intervalID = -1;
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}
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2020-05-30 16:18:15 +02:00
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delete node.lastSent;
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2019-10-25 17:48:35 +02:00
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node.buffer = [];
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2021-04-22 12:02:34 +02:00
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node.rate = node.fixedrate;
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2021-07-21 12:32:45 +02:00
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node.status({fill:"blue",shape:"ring",text:0});
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2020-10-26 08:52:18 +01:00
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done();
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2019-10-25 17:48:35 +02:00
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return;
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}
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2021-04-22 10:01:28 +02:00
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2014-05-06 10:58:30 +02:00
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if (!node.drop) {
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2019-10-25 17:48:35 +02:00
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var m = RED.util.cloneMessage(msg);
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delete m.flush;
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2021-07-08 13:13:23 +02:00
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if (Object.keys(m).length > 1) {
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if (node.intervalID !== -1) {
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if (node.allowrate && msg.hasOwnProperty("rate") && !isNaN(parseFloat(msg.rate)) && node.rate !== msg.rate) {
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node.rate = msg.rate;
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clearInterval(node.intervalID);
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node.intervalID = setInterval(sendMsgFromBuffer, node.rate);
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}
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var max_msgs = maxKeptMsgsCount(node);
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if ((max_msgs > 0) && (node.buffer.length >= max_msgs)) {
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node.buffer = [];
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node.error(RED._("delay.errors.too-many"), msg);
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} else {
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node.buffer.push({msg: m, send: send, done: done});
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node.reportDepth();
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}
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2021-04-22 10:01:28 +02:00
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}
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2021-07-08 13:13:23 +02:00
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else {
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if (node.allowrate && msg.hasOwnProperty("rate") && !isNaN(parseFloat(msg.rate))) {
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node.rate = msg.rate;
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}
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send(m);
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2021-04-22 10:01:28 +02:00
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node.reportDepth();
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2021-07-08 13:13:23 +02:00
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node.intervalID = setInterval(sendMsgFromBuffer, node.rate);
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done();
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2021-04-22 10:01:28 +02:00
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}
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2017-05-11 17:12:38 +02:00
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}
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2019-10-25 17:48:35 +02:00
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if (msg.hasOwnProperty("flush")) {
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2021-07-08 13:13:23 +02:00
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var len = node.buffer.length;
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if (typeof(msg.flush) == 'number') { len = Math.min(Math.floor(msg.flush),len); }
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while (len > 0) {
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2020-10-26 08:52:18 +01:00
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const msgInfo = node.buffer.shift();
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2021-07-08 13:13:23 +02:00
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if (Object.keys(msgInfo.msg).length > 1) {
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node.send(msgInfo.msg);
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msgInfo.done();
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}
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len = len - 1;
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2019-10-25 17:48:35 +02:00
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}
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2021-07-08 13:13:23 +02:00
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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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node.status({fill:"blue",shape:"dot",text:node.buffer.length});
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2020-10-26 08:52:18 +01:00
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done();
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2019-10-25 17:48:35 +02:00
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}
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2017-05-11 17:12:38 +02:00
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}
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else {
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2021-04-22 10:01:28 +02:00
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if (maxKeptMsgsCount(node) > 0) {
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if (node.intervalID === -1) {
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node.send(msg);
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node.intervalID = setInterval(sendMsgFromBuffer, node.rate);
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} else {
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2021-04-22 12:02:34 +02:00
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if (node.allowrate && msg.hasOwnProperty("rate") && !isNaN(parseFloat(msg.rate)) && node.rate !== msg.rate) {
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2021-04-22 10:01:28 +02:00
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node.rate = msg.rate;
|
|
|
|
clearInterval(node.intervalID);
|
|
|
|
node.intervalID = setInterval(sendMsgFromBuffer, node.rate);
|
|
|
|
}
|
|
|
|
if (node.buffer.length < _maxKeptMsgsCount) {
|
|
|
|
var m = RED.util.cloneMessage(msg);
|
|
|
|
node.buffer.push({msg: m, send: send, done: done});
|
|
|
|
} else {
|
|
|
|
node.trace("dropped due to buffer overflow. msg._msgid = " + msg._msgid);
|
|
|
|
node.droppedMsgs++;
|
|
|
|
}
|
|
|
|
}
|
2021-04-22 10:43:54 +02:00
|
|
|
} else {
|
2021-04-22 12:02:34 +02:00
|
|
|
if (node.allowrate && msg.hasOwnProperty("rate") && !isNaN(parseFloat(msg.rate))) {
|
2021-04-22 10:01:28 +02:00
|
|
|
node.rate = msg.rate;
|
|
|
|
}
|
|
|
|
var timeSinceLast;
|
|
|
|
if (node.lastSent) {
|
|
|
|
timeSinceLast = process.hrtime(node.lastSent);
|
|
|
|
}
|
|
|
|
if (!node.lastSent) { // ensuring that we always send the first message
|
|
|
|
node.lastSent = process.hrtime();
|
|
|
|
send(msg);
|
|
|
|
}
|
|
|
|
else if ( ( (timeSinceLast[0] * SECONDS_TO_NANOS) + timeSinceLast[1] ) > (node.rate * MILLIS_TO_NANOS) ) {
|
|
|
|
node.lastSent = process.hrtime();
|
|
|
|
send(msg);
|
|
|
|
}
|
2014-05-04 00:32:04 +02:00
|
|
|
}
|
2020-10-26 08:52:18 +01:00
|
|
|
done();
|
2013-12-21 18:31:05 +01:00
|
|
|
}
|
2014-05-04 00:32:04 +02:00
|
|
|
});
|
2016-04-24 12:08:58 +02:00
|
|
|
node.on("close", function() {
|
|
|
|
clearInterval(node.intervalID);
|
2017-07-03 22:23:14 +02:00
|
|
|
clearTimeout(node.busy);
|
2020-10-26 08:52:18 +01:00
|
|
|
node.buffer.forEach((msgInfo) => msgInfo.done());
|
2016-04-24 12:08:58 +02:00
|
|
|
node.buffer = [];
|
2015-12-02 16:37:36 +01:00
|
|
|
node.status({});
|
2014-05-04 00:32:04 +02:00
|
|
|
});
|
2017-05-11 17:12:38 +02:00
|
|
|
}
|
|
|
|
else if ((node.pauseType === "queue") || (node.pauseType === "timed")) {
|
2016-04-24 12:08:58 +02:00
|
|
|
node.intervalID = setInterval(function() {
|
|
|
|
if (node.pauseType === "queue") {
|
2016-03-20 18:46:12 +01:00
|
|
|
if (node.buffer.length > 0) {
|
2020-10-26 08:52:18 +01:00
|
|
|
const msgInfo = node.buffer.shift();
|
|
|
|
msgInfo.send(msgInfo.msg); // send the first on the queue
|
|
|
|
msgInfo.done();
|
2016-03-20 18:46:12 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
while (node.buffer.length > 0) { // send the whole queue
|
2020-10-26 08:52:18 +01:00
|
|
|
const msgInfo = node.buffer.shift();
|
|
|
|
msgInfo.send(msgInfo.msg);
|
|
|
|
msgInfo.done();
|
2016-03-20 18:46:12 +01:00
|
|
|
}
|
2014-10-24 21:00:08 +02:00
|
|
|
}
|
2018-09-23 18:31:11 +02:00
|
|
|
node.reportDepth();
|
2014-10-24 21:00:08 +02:00
|
|
|
},node.rate);
|
|
|
|
|
2018-09-23 18:31:11 +02:00
|
|
|
var hit;
|
2020-10-26 08:52:18 +01:00
|
|
|
node.on("input", function(msg, send, done) {
|
2021-04-22 12:02:34 +02:00
|
|
|
if (node.allowrate && msg.hasOwnProperty("rate") && !isNaN(parseFloat(msg.rate)) && node.rate !== msg.rate) {
|
|
|
|
node.rate = msg.rate;
|
|
|
|
clearInterval(node.intervalID);
|
|
|
|
node.intervalID = setInterval(sendMsgFromBuffer, node.rate);
|
|
|
|
}
|
2014-10-24 21:00:08 +02:00
|
|
|
if (!msg.hasOwnProperty("topic")) { msg.topic = "_none_"; }
|
2018-09-23 18:31:11 +02:00
|
|
|
hit = false;
|
2014-10-24 21:00:08 +02:00
|
|
|
for (var b in node.buffer) { // check if already in queue
|
2020-10-26 08:52:18 +01:00
|
|
|
if (msg.topic === node.buffer[b].msg.topic) {
|
|
|
|
node.buffer[b].done();
|
|
|
|
node.buffer[b] = {msg, send, done}; // if so - replace existing entry
|
2014-10-24 21:00:08 +02:00
|
|
|
hit = true;
|
2018-09-23 18:31:11 +02:00
|
|
|
break;
|
2014-10-24 21:00:08 +02:00
|
|
|
}
|
|
|
|
}
|
2018-10-02 19:56:17 +02:00
|
|
|
if (!hit) {
|
2020-10-26 08:52:18 +01:00
|
|
|
node.buffer.push({msg, send, done}); // if not add to end of queue
|
2018-10-02 19:56:17 +02:00
|
|
|
node.reportDepth();
|
|
|
|
}
|
2017-05-11 17:12:38 +02:00
|
|
|
if (msg.hasOwnProperty("reset")) {
|
2020-10-26 08:52:18 +01:00
|
|
|
while (node.buffer.length > 0) {
|
|
|
|
const msgInfo = node.buffer.shift();
|
|
|
|
msgInfo.done();
|
|
|
|
}
|
2017-05-11 17:12:38 +02:00
|
|
|
node.buffer = [];
|
2021-04-22 12:02:34 +02:00
|
|
|
node.rate = node.fixedrate;
|
2017-05-11 17:12:38 +02:00
|
|
|
node.status({text:"reset"});
|
2020-10-26 08:52:18 +01:00
|
|
|
done();
|
2017-05-11 17:12:38 +02:00
|
|
|
}
|
2018-09-23 18:31:11 +02:00
|
|
|
if (msg.hasOwnProperty("flush")) {
|
2021-07-08 13:13:23 +02:00
|
|
|
var len = node.buffer.length;
|
|
|
|
if (typeof(msg.flush) == 'number') { len = Math.min(Math.floor(msg.flush,len)); }
|
|
|
|
while (len > 0) {
|
2020-10-26 08:52:18 +01:00
|
|
|
const msgInfo = node.buffer.shift();
|
2021-07-08 13:13:23 +02:00
|
|
|
delete msgInfo.msg.flush;
|
|
|
|
if (Object.keys(msgInfo.msg).length > 2) {
|
|
|
|
node.send(msgInfo.msg);
|
|
|
|
msgInfo.done();
|
|
|
|
}
|
|
|
|
len = len - 1;
|
2018-09-23 18:31:11 +02:00
|
|
|
}
|
|
|
|
node.status({});
|
2020-10-26 08:52:18 +01:00
|
|
|
done();
|
2018-09-23 18:31:11 +02:00
|
|
|
}
|
2014-10-24 21:00:08 +02:00
|
|
|
});
|
2016-04-24 12:08:58 +02:00
|
|
|
node.on("close", function() {
|
|
|
|
clearInterval(node.intervalID);
|
2020-10-26 08:52:18 +01:00
|
|
|
while (node.buffer.length > 0) {
|
|
|
|
const msgInfo = node.buffer.shift();
|
|
|
|
msgInfo.done();
|
|
|
|
}
|
2016-04-24 12:08:58 +02:00
|
|
|
node.buffer = [];
|
2015-07-08 16:06:46 +02:00
|
|
|
node.status({});
|
2014-10-24 21:00:08 +02:00
|
|
|
});
|
2017-05-11 17:12:38 +02:00
|
|
|
}
|
|
|
|
else if (node.pauseType === "random") {
|
2020-10-26 08:52:18 +01:00
|
|
|
node.on("input", function(msg, send, done) {
|
2015-01-14 15:19:21 +01:00
|
|
|
var wait = node.randomFirst + (node.diff * Math.random());
|
2018-09-23 18:31:11 +02:00
|
|
|
var id = ourTimeout(function() {
|
2015-01-14 15:19:21 +01:00
|
|
|
node.idList.splice(node.idList.indexOf(id),1);
|
2020-10-26 08:52:18 +01:00
|
|
|
send(msg);
|
2021-07-08 13:13:23 +02:00
|
|
|
if (node.timeout >= 1000) {
|
|
|
|
node.status({fill:"blue",shape:"dot",text:node.idList.length});
|
|
|
|
}
|
2020-10-26 08:52:18 +01:00
|
|
|
done();
|
|
|
|
}, wait, () => done());
|
2021-04-22 10:43:54 +02:00
|
|
|
if (Object.keys(msg).length === 2 && msg.hasOwnProperty("flush")) { id.clear(); }
|
|
|
|
else { node.idList.push(id); }
|
|
|
|
if (msg.hasOwnProperty("reset")) { clearDelayList(true); }
|
2021-07-08 13:13:23 +02:00
|
|
|
if (msg.hasOwnProperty("flush")) { flushDelayList(msg.flush); done(); }
|
|
|
|
if (node.timeout >= 1000) {
|
|
|
|
node.status({fill:"blue",shape:"dot",text:node.idList.length});
|
2014-05-04 00:32:04 +02:00
|
|
|
}
|
|
|
|
});
|
2017-05-11 17:12:38 +02:00
|
|
|
node.on("close", function() { clearDelayList(); });
|
2014-05-04 00:32:04 +02:00
|
|
|
}
|
2013-12-21 18:31:05 +01:00
|
|
|
}
|
2014-05-04 00:32:04 +02:00
|
|
|
RED.nodes.registerType("delay",DelayNode);
|
2013-09-27 11:55:46 +02:00
|
|
|
}
|