mirror of https://github.com/node-red/node-red.git
updated split/join node (split still needs work before release)
This commit is contained in:
Dave Conway-Jones
parent
f527841c29
commit
7c42b04eff
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@ -1,4 +1,3 @@
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<!DOCTYPE html>
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<!--
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Copyright JS Foundation and other contributors, http://js.foundation
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@ -84,7 +83,7 @@
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</div>
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<div class="form-row">
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<label>to create </label>
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<select id="node-input-build" style="width:200px;">
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<select id="node-input-build" style="width:70%;">
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<option id="node-input-build-string" value="string">a String</option>
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<option value="array">an Array</option>
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<option value="object">a key/value Object</option>
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@ -92,36 +91,40 @@
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</select>
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</div>
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<div class="form-row node-row-key">
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<label style="vertical-align: top; margin-top: 7px;">using</label>
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<label style="vertical-align:top; margin-top:7px;">using</label>
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<div style="display:inline-block">
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<input type="text" id="node-input-key" style="width:300px;">
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<div style="margin-top: 7px;">as the property key</div>
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<input type="text" id="node-input-key" style="width:252px;"> as the key
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</div>
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</div>
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<div class="form-row node-row-joiner">
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<label for="node-input-joiner">joined using</label>
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<input type="text" id="node-input-joiner" style="width: 40px">
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<input type="text" id="node-input-joiner" style="width:40px">
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</div>
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<div class="form-row node-row-trigger">
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<label style="width: auto;">Send the message:</label>
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<div class="form-row node-row-trigger" id="trigger-row">
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<label style="width:auto;">Send the message:</label>
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<ul>
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<li style="height: 40px;">
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<label style="width: 280px;" for="node-input-count">After a fixed number of messages:</label> <input id="node-input-count" placeholder="count" type="text" style="width: 75px;">
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<li>
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<label style="width:280px;" for="node-input-count">After a number of message parts</label> <input id="node-input-count" placeholder="count" type="text" style="width:75px;">
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</li>
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<li style="height: 40px;">
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<label style="width: 280px;" for="node-input-timeout">After a timeout following the first message:</label> <input id="node-input-timeout" placeholder="seconds" type="text" style="width: 75px;">
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<li style="list-style-type:none;">
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<input type="checkbox" id="node-input-accumulate" style="display:inline-block; width:20px; list-style-type:none; margin-left:20px; vertical-align:top;"> and every subsequent message.
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</li>
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<li style="height: 40px;">
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<label style="width: auto; padding-top: 6px;">After a message with the <code>msg.complete</code> property set</label>
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<li>
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<label style="width:280px;" for="node-input-timeout">After a timeout following the first message</label> <input id="node-input-timeout" placeholder="seconds" type="text" style="width:75px;">
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</li>
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<li>
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<label style="width:auto; padding-top:6px;">After a message with the <code>msg.complete</code> property set</label>
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</li>
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</ul>
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</div>
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</div>
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<div class="form-row">
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<label for="node-input-name">Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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<div class="form-tips form-tips-auto hide">This mode assumes this node is either
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paired with a <i>split</i> node or the received messages will have a properly
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configured <code>msg.parts</code> property.</div>
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</script>
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<script type="text/x-red" data-help-name="join">
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@ -162,10 +165,12 @@
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name: {value:""},
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mode: {value:"auto"},
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build: { value:"string"},
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property: { value: "payload", validate: RED.validators.typedInput("propertyType")},
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property: { value:"payload", validate:RED.validators.typedInput("propertyType")},
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propertyType: { value:"msg"},
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key: {value:"topic"},
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joiner: { value:"\\n"},
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accumulate: { value:"false" },
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//topic: { value:""},
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timeout: {value:""},
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count: {value:""}
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},
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@ -187,7 +192,7 @@
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$("#node-input-build").change(function(e) {
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var val = $(this).val();
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$(".node-row-key").toggle(val==='object');
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$(".node-row-key").toggle((val==='object')||(val==='accus'));
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$(".node-row-joiner").toggle(val==='string');
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$(".node-row-trigger").toggle(val!=='auto');
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if (val === 'string') {
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@ -195,15 +200,18 @@
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} else {
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$("#node-input-property").typedInput('types',['msg', {value:"full",label:"complete message",hasValue:false}]);
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}
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})
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// if (val === "accum") { $("#trigger-row").hide(); }
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// else { $("#trigger-row").show(); }
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});
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$("#node-input-property").typedInput({
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typeField: $("#node-input-propertyType"),
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types:['msg', {value:"full",label:"complete message",hasValue:false}]
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})
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types:['msg', {value:"full", label:"complete message", hasValue:false}]
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});
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$("#node-input-key").typedInput({
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types:['msg', {value:"merge",label:"",hasValue: false}]
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})
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types:['msg', {value:"merge", label:"", hasValue:false}]
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});
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$("#node-input-build").change();
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$("#node-input-mode").change();
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@ -20,7 +20,14 @@ module.exports = function(RED) {
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function SplitNode(n) {
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RED.nodes.createNode(this,n);
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this.splt = (n.splt || "\\n").replace(/\\n/,"\n").replace(/\\r/,"\r").replace(/\\t/,"\t").replace(/\\e/,"\e").replace(/\\f/,"\f").replace(/\\0/,"\0");
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try {
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var s = JSON.parse(n.splt.trim());
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if (Array.isArray(s)) { this.splt = new Buffer.from(s); }
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}
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catch (e) {}
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var node = this;
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node.c = 0;
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node.buffer = new Buffer([]);
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this.on("input", function(msg) {
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if (msg.hasOwnProperty("payload")) {
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var a = msg.payload;
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@ -38,6 +45,7 @@ module.exports = function(RED) {
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msg.payload = a[i];
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msg.parts.index = i;
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msg.parts.count = a.length;
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//if (i === a.length-1) { msg.complete = true; }
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node.send(RED.util.cloneMessage(msg));
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}
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}
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@ -57,7 +65,28 @@ module.exports = function(RED) {
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}
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}
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}
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// TODO not handling Buffers at present...
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// Handle Buffer objects.... with overlaps to handle partial stream like
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else if (Buffer.isBuffer(msg.payload)) {
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var len = node.buffer.length + msg.payload.length;
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var buff = Buffer.concat([node.buffer, msg.payload], len);
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var pos = buff.indexOf(node.splt);
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msg.parts.type = "buffer";
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msg.parts.ch = node.splt; // pass the split to other end for rejoin (maybe)
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while (pos !== -1) {
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msg.payload = buff.slice(0,pos);
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msg.parts.index = node.c;
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node.c += 1;
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buff = buff.slice(pos + node.splt.length);
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if (buff.length === 0) {
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msg.parts.count = node.c;
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node.c = 0; //reset the count if no remainder.
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}
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node.send(RED.util.cloneMessage(msg));
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pos = buff.indexOf(node.splt);
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}
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// save the remainder to use as start of next time round
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node.buffer = buff;
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}
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//else { } // otherwise drop the message.
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}
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});
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@ -75,18 +104,18 @@ module.exports = function(RED) {
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}
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this.key = n.key||"topic";
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this.timer = (this.mode === "auto") ? 0 : Number(n.timeout || 0)*1000;
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this.timerr = n.timerr || "send";
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this.count = Number(n.count || 0);
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this.joiner = (n.joiner||"").replace(/\\n/g,"\n").replace(/\\r/g,"\r").replace(/\\t/g,"\t").replace(/\\e/g,"\e").replace(/\\f/g,"\f").replace(/\\0/g,"\0");
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this.build = n.build || "array";
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this.accumulate = n.accumulate || "false";
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//this.topic = n.topic;
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var node = this;
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var inflight = {};
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var completeSend = function(partId) {
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var group = inflight[partId];
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clearTimeout(group.timeout);
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delete inflight[partId];
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if ((node.accumulate !== true) || group.msg.hasOwnProperty("complete")) { delete inflight[partId]; }
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if (group.type === 'string') {
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RED.util.setMessageProperty(group.msg,node.property,group.payload.join(group.joinChar));
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} else {
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@ -97,123 +126,143 @@ module.exports = function(RED) {
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} else {
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delete group.msg.parts;
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}
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delete group.msg.complete;
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node.send(group.msg);
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}
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this.on("input", function(msg) {
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try {
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var property;
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if (node.mode === 'auto' && (!msg.hasOwnProperty("parts")||!msg.parts.hasOwnProperty("id"))) {
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node.warn("Message missing msg.parts property - cannot join in 'auto' mode")
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return;
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}
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if (node.propertyType == "full") {
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property = msg;
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} else {
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try {
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property = RED.util.getMessageProperty(msg,node.property);
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} catch(err) {
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node.warn("Message property "+node.property+" not found");
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try {
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var property;
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if (node.mode === 'auto' && (!msg.hasOwnProperty("parts")||!msg.parts.hasOwnProperty("id"))) {
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node.warn("Message missing msg.parts property - cannot join in 'auto' mode")
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return;
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}
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}
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var partId;
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var payloadType;
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var propertyKey;
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var targetCount;
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var joinChar;
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var propertyIndex;
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if (node.mode === "auto") {
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// Use msg.parts to identify all of the group information
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partId = msg.parts.id;
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payloadType = msg.parts.type;
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targetCount = msg.parts.count;
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joinChar = msg.parts.ch;
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propertyKey = msg.parts.key;
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propertyIndex = msg.parts.index;
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} else {
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// Use the node configuration to identify all of the group information
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partId = "_";
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payloadType = node.build;
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targetCount = node.count;
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joinChar = node.joiner;
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if (targetCount === 0 && msg.hasOwnProperty('parts')) {
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targetCount = msg.parts.count || 0;
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if (node.propertyType == "full") {
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property = msg;
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}
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if (node.build === 'object') {
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propertyKey = RED.util.getMessageProperty(msg,node.key);
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}
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}
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if (payloadType === 'object' && (propertyKey === null || propertyKey === undefined || propertyKey === "")) {
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if (node.mode === "auto") {
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node.warn("Message missing 'msg.parts.key' property - cannot add to object");
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} else {
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node.warn("Message missing key property 'msg."+node.key+"' '- cannot add to object")
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}
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return;
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}
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if (!inflight.hasOwnProperty(partId)) {
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if (payloadType === 'object' || payloadType === 'merged') {
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inflight[partId] = {
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currentCount:0,
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payload:{},
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targetCount:targetCount,
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type:"object",
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msg:msg
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};
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} else {
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inflight[partId] = {
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currentCount:0,
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payload:[],
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targetCount:targetCount,
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type:payloadType,
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joinChar: joinChar,
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msg:msg
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};
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if (payloadType === 'string') {
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inflight[partId].joinChar = joinChar;
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else {
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try {
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property = RED.util.getMessageProperty(msg,node.property);
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} catch(err) {
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node.warn("Message property "+node.property+" not found");
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return;
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}
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}
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if (node.timer > 0) {
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inflight[partId].timeout = setTimeout(function() {
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completeSend(partId)
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}, node.timer)
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}
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}
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var group = inflight[partId];
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if (payloadType === 'object') {
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group.payload[propertyKey] = property;
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group.currentCount = Object.keys(group.payload).length;
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} else if (payloadType === 'merged') {
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if (Array.isArray(property) || typeof property !== 'object') {
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node.warn("Cannot merge non-object types");
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} else {
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for (propertyKey in property) {
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if (property.hasOwnProperty(propertyKey)) {
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group.payload[propertyKey] = property[propertyKey];
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var partId;
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var payloadType;
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var propertyKey;
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var targetCount;
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var joinChar;
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var propertyIndex;
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if (node.mode === "auto") {
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// Use msg.parts to identify all of the group information
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partId = msg.parts.id;
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payloadType = msg.parts.type;
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targetCount = msg.parts.count;
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joinChar = msg.parts.ch;
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propertyKey = msg.parts.key;
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propertyIndex = msg.parts.index;
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}
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else {
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// Use the node configuration to identify all of the group information
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partId = "_";
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payloadType = node.build;
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targetCount = node.count;
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joinChar = node.joiner;
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if (targetCount === 0 && msg.hasOwnProperty('parts')) {
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targetCount = msg.parts.count || 0;
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}
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if (node.build === 'object') {
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propertyKey = RED.util.getMessageProperty(msg,node.key);
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}
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}
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if ((payloadType === 'object') && (propertyKey === null || propertyKey === undefined || propertyKey === "")) {
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if (node.mode === "auto") {
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node.warn("Message missing 'msg.parts.key' property - cannot add to object");
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} else {
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node.warn("Message missing key property 'msg."+node.key+"' - cannot add to object")
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}
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return;
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}
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if (!inflight.hasOwnProperty(partId)) {
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if (payloadType === 'object' || payloadType === 'merged') {
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inflight[partId] = {
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currentCount:0,
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payload:{},
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targetCount:targetCount,
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type:"object",
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msg:msg
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};
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}
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else if (node.accumulate === true) {
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if (msg.hasOwnProperty("reset")) { delete inflight[partId]; }
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inflight[partId] = inflight[partId] || {
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currentCount:0,
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payload:{},
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targetCount:targetCount,
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type:"object",
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msg:msg
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}
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}
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else {
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inflight[partId] = {
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currentCount:0,
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payload:[],
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targetCount:targetCount,
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type:payloadType,
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joinChar: joinChar,
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msg:msg
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};
|
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if (payloadType === 'string') {
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inflight[partId].joinChar = joinChar;
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}
|
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}
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if (node.timer > 0) {
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inflight[partId].timeout = setTimeout(function() {
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completeSend(partId)
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}, node.timer)
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}
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}
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var group = inflight[partId];
|
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if (payloadType === 'object') {
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group.payload[propertyKey] = property;
|
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group.currentCount = Object.keys(group.payload).length;
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//msg.topic = node.topic || msg.topic;
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}
|
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else if (payloadType === 'merged') {
|
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if (Array.isArray(property) || typeof property !== 'object') {
|
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if (!msg.hasOwnProperty("complete")) {
|
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node.warn("Cannot merge non-object types");
|
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}
|
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}
|
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else {
|
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for (propertyKey in property) {
|
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if (property.hasOwnProperty(propertyKey)) {
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group.payload[propertyKey] = property[propertyKey];
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}
|
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}
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group.currentCount = Object.keys(group.payload).length;
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//group.currentCount++;
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}
|
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}
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else {
|
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if (!isNaN(propertyIndex)) {
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group.payload[propertyIndex] = property;
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} else {
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group.payload.push(property);
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}
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group.currentCount++;
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}
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} else {
|
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if (!isNaN(propertyIndex)) {
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group.payload[propertyIndex] = property;
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} else {
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group.payload.push(property);
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// TODO: currently reuse the last received - add option to pick first received
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group.msg = msg;
|
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if (group.currentCount >= group.targetCount || msg.hasOwnProperty('complete')) {
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completeSend(partId);
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}
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group.currentCount++;
|
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} catch(err) {
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console.log(err.stack);
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}
|
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// TODO: currently reuse the last received - add option to pick first received
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group.msg = msg;
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if (group.currentCount === group.targetCount || msg.hasOwnProperty('complete')) {
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delete msg.complete;
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completeSend(partId);
|
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}
|
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} catch(err) {
|
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console.log(err.stack);
|
||||
}
|
||||
});
|
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|
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this.on("close", function() {
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|
|
|
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|
|
@ -139,7 +139,6 @@ describe('JOIN node', function() {
|
|||
joinNode1.should.have.property('name', 'joinNode');
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joinNode1.should.have.property('count', 0);
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joinNode1.should.have.property('timer', 0);
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joinNode1.should.have.property('timerr', 'send');
|
||||
joinNode1.should.have.property('build', 'array');
|
||||
done();
|
||||
});
|
||||
|
|
@ -169,7 +168,7 @@ describe('JOIN node', function() {
|
|||
});
|
||||
|
||||
it('should join things into an object after a count', function(done) {
|
||||
var flow = [{id:"n1", type:"join", wires:[["n2"]], count:5, build:"object",mode:"custom"},
|
||||
var flow = [{id:"n1", type:"join", wires:[["n2"]], count:5, build:"object", mode:"custom"},
|
||||
{id:"n2", type:"helper"}];
|
||||
helper.load(joinNode, flow, function() {
|
||||
var n1 = helper.getNode("n1");
|
||||
|
|
@ -198,7 +197,7 @@ describe('JOIN node', function() {
|
|||
});
|
||||
|
||||
it('should merge objects', function(done) {
|
||||
var flow = [{id:"n1", type:"join", wires:[["n2"]], count:6, build:"merged",mode:"custom"},
|
||||
var flow = [{id:"n1", type:"join", wires:[["n2"]], count:5, build:"merged", mode:"custom"},
|
||||
{id:"n2", type:"helper"}];
|
||||
helper.load(joinNode, flow, function() {
|
||||
var n1 = helper.getNode("n1");
|
||||
|
|
@ -206,7 +205,7 @@ describe('JOIN node', function() {
|
|||
n2.on("input", function(msg) {
|
||||
try {
|
||||
msg.should.have.property("payload");
|
||||
msg.payload.should.have.property("a",6);
|
||||
msg.payload.should.have.property("a",1);
|
||||
msg.payload.should.have.property("b",2);
|
||||
msg.payload.should.have.property("c",3);
|
||||
msg.payload.should.have.property("d",4);
|
||||
|
|
@ -215,12 +214,106 @@ describe('JOIN node', function() {
|
|||
}
|
||||
catch(e) { done(e)}
|
||||
});
|
||||
n1.receive({payload:{a:9}, topic:"f"});
|
||||
n1.receive({payload:{a:1}, topic:"a"});
|
||||
n1.receive({payload:{b:9}, topic:"b"});
|
||||
n1.receive({payload:{b:2}, topic:"b"});
|
||||
n1.receive({payload:{c:3}, topic:"c"});
|
||||
n1.receive({payload:{d:4}, topic:"d"});
|
||||
n1.receive({payload:{e:5}, topic:"e"});
|
||||
n1.receive({payload:{a:6}, topic:"f"});
|
||||
});
|
||||
});
|
||||
|
||||
it('should accumulate a merged object', function(done) {
|
||||
var flow = [{id:"n1", type:"join", wires:[["n2"]], build:"merged",mode:"custom",accumulate:true},
|
||||
{id:"n2", type:"helper"}];
|
||||
helper.load(joinNode, flow, function() {
|
||||
var n1 = helper.getNode("n1");
|
||||
var n2 = helper.getNode("n2");
|
||||
var c = 0;
|
||||
n2.on("input", function(msg) {
|
||||
if (c === 5) {
|
||||
try {
|
||||
msg.should.have.property("payload");
|
||||
msg.payload.should.have.property("a",3);
|
||||
msg.payload.should.have.property("b",2);
|
||||
msg.payload.should.have.property("c",1);
|
||||
done();
|
||||
}
|
||||
catch(e) { done(e) }
|
||||
}
|
||||
c += 1;
|
||||
});
|
||||
n1.receive({payload:{a:1}, topic:"a"});
|
||||
n1.receive({payload:{b:2}, topic:"b"});
|
||||
n1.receive({payload:{c:3}, topic:"c"});
|
||||
n1.receive({payload:{a:3}, topic:"d"});
|
||||
n1.receive({payload:{b:2}, topic:"e"});
|
||||
n1.receive({payload:{c:1}, topic:"f"});
|
||||
});
|
||||
});
|
||||
|
||||
it('should be able to reset an accumulation', function(done) {
|
||||
var flow = [{id:"n1", type:"join", wires:[["n2"]], build:"merged",accumulate:true,mode:"custom"},
|
||||
{id:"n2", type:"helper"}];
|
||||
helper.load(joinNode, flow, function() {
|
||||
var n1 = helper.getNode("n1");
|
||||
var n2 = helper.getNode("n2");
|
||||
var c = 0;
|
||||
n2.on("input", function(msg) {
|
||||
if (c === 3) {
|
||||
try {
|
||||
msg.should.have.property("payload");
|
||||
msg.payload.should.have.property("a",1);
|
||||
msg.payload.should.have.property("b",2);
|
||||
msg.payload.should.have.property("c",3);
|
||||
msg.payload.should.have.property("d",4);
|
||||
}
|
||||
catch(e) { done(e) }
|
||||
}
|
||||
if (c === 5) {
|
||||
try {
|
||||
msg.should.have.property("payload");
|
||||
msg.payload.should.have.property("b",2);
|
||||
msg.payload.should.have.property("c",1);
|
||||
done();
|
||||
}
|
||||
catch(e) { done(e) }
|
||||
}
|
||||
c += 1;
|
||||
});
|
||||
n1.receive({payload:{a:1}, topic:"a"});
|
||||
n1.receive({payload:{b:2}, topic:"b"});
|
||||
n1.receive({payload:{c:3}, topic:"c"});
|
||||
n1.receive({payload:{d:4}, topic:"d", complete:true});
|
||||
n1.receive({payload:{b:2}, topic:"e"});
|
||||
n1.receive({payload:{c:1}, topic:"f"});
|
||||
});
|
||||
});
|
||||
|
||||
it('should accumulate a key/value object', function(done) {
|
||||
var flow = [{id:"n1", type:"join", wires:[["n2"]], build:"object", accumulate:true, mode:"custom", topic:"bar", key:"foo", count:4},
|
||||
{id:"n2", type:"helper"}];
|
||||
helper.load(joinNode, flow, function() {
|
||||
var n1 = helper.getNode("n1");
|
||||
var n2 = helper.getNode("n2");
|
||||
var c = 0;
|
||||
n2.on("input", function(msg) {
|
||||
try {
|
||||
//msg.should.have.property("topic","bar");
|
||||
msg.should.have.property("payload");
|
||||
msg.payload.should.have.property("a",1);
|
||||
msg.payload.should.have.property("b",2);
|
||||
msg.payload.should.have.property("c",3);
|
||||
msg.payload.should.have.property("d",4);
|
||||
done();
|
||||
}
|
||||
catch(e) { done(e) }
|
||||
});
|
||||
n1.receive({payload:1, foo:"a"});
|
||||
n1.receive({payload:2, foo:"b"});
|
||||
n1.receive({payload:3, foo:"c"});
|
||||
n1.receive({payload:4, foo:"d"});
|
||||
});
|
||||
});
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue