Initial commit for OpenECOMP SDN-C OA&M

Change-Id: I7ab579fd0d206bf356f36d52dcdf4f71f1fa2680
Signed-off-by: Timoney, Daniel (dt5972) <dtimoney@att.com>

Former-commit-id: 2a9f0edd09581f907e62ec4689b5ac94dd5382ba

6 files changed, 618 insertions, 0 deletions

diff --git a/dgbuilder/core_nodes/logic/10-switch.html b/dgbuilder/core_nodes/logic/10-switch.html
new file mode 100644
index 00000000..4e02f446
--- /dev/null
+++ b/dgbuilder/core_nodes/logic/10-switch.html
@@ -0,0 +1,198 @@
+<!--
+  Copyright 2013 IBM Corp.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-template-name="switch">
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+    <div class="form-row" style="padding-top:10px;">
+        If msg.<input type="text" id="node-input-property" style="width: 200px;"/>
+    </div>
+    <div class="form-row">
+        <div id="node-input-rule-container-div" style="border-radius: 5px; height: 310px; padding: 5px; border: 1px solid #ccc; overflow-y:scroll;">
+        <ol id="node-input-rule-container" style=" list-style-type:none; margin: 0;">
+        </ol>
+        </div>
+        <a href="#" class="btn btn-mini" id="node-input-add-rule" style="margin-top: 4px;"><i class="fa fa-plus"></i> Add</a>
+    </div>
+    <div>
+        <select id="node-input-checkall" style="width:100%; margin-right:5px;">
+            <option value="true">checking all rules</option>
+            <option value="false">stopping after first match</option>
+        </select>
+    </div>
+</script>
+
+<script type="text/x-red" data-help-name="switch">
+    <p>A simple function node to route messages based on its properties.</p>
+    <p>When a message arrives, the selected property is evaluated against each
+    of the defined rules. The message is then sent to the output of <i>all</i>
+    rules that pass.</p>
+    <p>Note: the <i>otherwise</i> rule applies as a "not any of" the rules preceding it.</p>
+</script>
+
+<script type="text/javascript">
+    RED.nodes.registerType('switch', {
+        color: "#E2D96E",
+        category: 'function',
+        defaults: {
+            name: {value:""},
+            property: {value:"payload", required:true},
+            rules: {value:[{t:"eq", v:""}]},
+            checkall: {value:"true", required:true},
+            outputs: {value:1}
+        },
+        inputs: 1,
+        outputs: 1,
+        icon: "switch.png",
+        label: function() {
+            return this.name||"switch";
+        },
+        oneditprepare: function() {
+
+            var operators = [
+                {v:"eq",t:"=="},
+                {v:"neq",t:"!="},
+                {v:"lt",t:"<"},
+                {v:"lte",t:"<="},
+                {v:"gt",t:">"},
+                {v:"gte",t:">="},
+                {v:"btwn",t:"is between"},
+                {v:"cont",t:"contains"},
+                {v:"regex",t:"matches regex"},
+                {v:"true",t:"is true"},
+                {v:"false",t:"is false"},
+                {v:"null",t:"is null"},
+                {v:"nnull",t:"is not null"},
+                {v:"else",t:"otherwise"}
+            ];
+
+            function generateRule(i,rule) {
+                var container = $('<li/>',{style:"margin:0; padding:8px 0px; border-bottom: 1px solid #ccc;"});
+                var row = $('<div/>').appendTo(container);
+                var row2 = $('<div/>',{style:"padding-top: 5px; text-align: right;"}).appendTo(container);
+
+                var selectField = $('<select/>',{style:"width:120px; margin-left: 5px; text-align: center;"}).appendTo(row);
+                for (var d in operators) {
+                    selectField.append($("<option></option>").val(operators[d].v).text(operators[d].t));
+                }
+
+                var valueField = $('<input/>',{class:"node-input-rule-value",type:"text",style:"margin-left: 5px; width: 145px;"}).appendTo(row);
+                var btwnField = $('<span/>').appendTo(row);
+                var btwnValueField = $('<input/>',{class:"node-input-rule-btwn-value",type:"text",style:"margin-left: 5px; width: 50px;"}).appendTo(btwnField);
+                btwnField.append(" and ");
+                var btwnValue2Field = $('<input/>',{class:"node-input-rule-btwn-value2",type:"text",style:"width: 50px;margin-left:2px;"}).appendTo(btwnField);
+
+                var finalspan = $('<span/>',{style:"float: right; margin-top: 3px;margin-right: 10px;"}).appendTo(row);
+                finalspan.append(' send to <span class="node-input-rule-index">'+i+'</span> ');
+
+                selectField.change(function() {
+                    var type = selectField.children("option:selected").val();
+                    if (type.length < 4) {
+                        selectField.css({"width":"60px"});
+                    } else if (type === "regex") {
+                        selectField.css({"width":"147px"});
+                    } else {
+                        selectField.css({"width":"120px"});
+                    }
+                    if (type === "btwn") {
+                        valueField.hide();
+                        btwnField.show();
+                    } else {
+                        btwnField.hide();
+                        if (type === "true" || type === "false" || type === "null" || type === "nnull" || type === "else") {
+                            valueField.hide();
+                        } else {
+                            valueField.show();
+                        }
+                    }
+                });
+
+                var deleteButton = $('<a/>',{href:"#",class:"btn btn-mini", style:"margin-left: 5px;"}).appendTo(finalspan);
+                $('<i/>',{class:"fa fa-remove"}).appendTo(deleteButton);
+
+                deleteButton.click(function() {
+                    container.css({"background":"#fee"});
+                    container.fadeOut(300, function() {
+                        $(this).remove();
+                        $("#node-input-rule-container").children().each(function(i) {
+                            $(this).find(".node-input-rule-index").html(i+1);
+                        });
+
+                    });
+                });
+
+                $("#node-input-rule-container").append(container);
+
+                selectField.find("option").filter(function() {return $(this).val() == rule.t;}).attr('selected',true);
+                if (rule.t == "btwn") {
+                    btwnValueField.val(rule.v);
+                    btwnValue2Field.val(rule.v2);
+                } else if (typeof rule.v != "undefined") {
+                    valueField.val(rule.v);
+                }
+                selectField.change();
+            }
+
+            $("#node-input-add-rule").click(function() {
+                generateRule($("#node-input-rule-container").children().length+1,{t:"",v:"",v2:""});
+                $("#node-input-rule-container-div").scrollTop($("#node-input-rule-container-div").get(0).scrollHeight);
+            });
+
+            for (var i=0;i<this.rules.length;i++) {
+                var rule = this.rules[i];
+                generateRule(i+1,rule);
+            }
+
+            function switchDialogResize(ev,ui) {
+                $("#node-input-rule-container-div").css("height",(ui.size.height-260)+"px");
+            };
+
+            $( "#dialog" ).on("dialogresize", switchDialogResize);
+            $( "#dialog" ).one("dialogopen", function(ev) {
+                var size = $( "#dialog" ).dialog('option','sizeCache-switch');
+                if (size) {
+                    switchDialogResize(null,{size:size});
+                }
+            });
+            $( "#dialog" ).one("dialogclose", function(ev,ui) {
+                $( "#dialog" ).off("dialogresize",switchDialogResize);
+            });
+        },
+        oneditsave: function() {
+            var rules = $("#node-input-rule-container").children();
+            var ruleset;
+            var node = this;
+            node.rules= [];
+            rules.each(function(i) {
+                var rule = $(this);
+                var type = rule.find("select option:selected").val();
+                var r = {t:type};
+                if (!(type === "true" || type === "false" || type === "null" || type === "nnull" || type === "else")) {
+                    if (type === "btwn") {
+                        r.v = rule.find(".node-input-rule-btwn-value").val();
+                        r.v2 = rule.find(".node-input-rule-btwn-value2").val();
+                    } else {
+                        r.v = rule.find(".node-input-rule-value").val();
+                    }
+                }
+                node.rules.push(r);
+            });
+            node.outputs = node.rules.length;
+        }
+    });
+</script>
diff --git a/dgbuilder/core_nodes/logic/10-switch.js b/dgbuilder/core_nodes/logic/10-switch.js
new file mode 100644
index 00000000..8bcb8571
--- /dev/null
+++ b/dgbuilder/core_nodes/logic/10-switch.js
@@ -0,0 +1,78 @@
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+module.exports = function(RED) {
+    "use strict";
+    var operators = {
+        'eq': function(a, b) { return a == b; },
+        'neq': function(a, b) { return a != b; },
+        'lt': function(a, b) { return a < b; },
+        'lte': function(a, b) { return a <= b; },
+        'gt': function(a, b) { return a > b; },
+        'gte': function(a, b) { return a >= b; },
+        'btwn': function(a, b, c) { return a >= b && a <= c; },
+        'cont': function(a, b) { return (a + "").indexOf(b) != -1; },
+        'regex': function(a, b) { return (a + "").match(new RegExp(b)); },
+        'true': function(a) { return a === true; },
+        'false': function(a) { return a === false; },
+        'null': function(a) { return typeof a == "undefined"; },
+        'nnull': function(a) { return typeof a != "undefined"; },
+        'else': function(a) { return a === true; }
+    };
+
+    function SwitchNode(n) {
+        RED.nodes.createNode(this, n);
+        this.rules = n.rules;
+        this.property = n.property;
+        this.checkall = n.checkall || "true";
+        var propertyParts = n.property.split(".");
+        var node = this;
+
+        for (var i=0; i<this.rules.length; i+=1) {
+            var rule = this.rules[i];
+            if (!isNaN(Number(rule.v))) {
+                rule.v = Number(rule.v);
+                rule.v2 = Number(rule.v2);
+            }
+        }
+
+        this.on('input', function (msg) {
+            var onward = [];
+            try {
+                var prop = propertyParts.reduce(function (obj, i) {
+                    return obj[i]
+                }, msg);
+                var elseflag = true;
+                for (var i=0; i<node.rules.length; i+=1) {
+                    var rule = node.rules[i];
+                    var test = prop;
+                    if (rule.t == "else") { test = elseflag; elseflag = true; }
+                    if (operators[rule.t](test,rule.v, rule.v2)) {
+                        onward.push(msg);
+                        elseflag = false;
+                        if (node.checkall == "false") { break; }
+                    } else {
+                        onward.push(null);
+                    }
+                }
+                this.send(onward);
+            } catch(err) {
+                node.warn(err);
+            }
+        });
+    }
+    RED.nodes.registerType("switch", SwitchNode);
+}
diff --git a/dgbuilder/core_nodes/logic/15-change.html b/dgbuilder/core_nodes/logic/15-change.html
new file mode 100644
index 00000000..702dd807
--- /dev/null
+++ b/dgbuilder/core_nodes/logic/15-change.html
@@ -0,0 +1,139 @@
+<!--
+  Copyright 2013 IBM Corp.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-template-name="change">
+    <div>
+        <select id="node-input-action" style="width:95%; margin-right:5px;">
+            <option value="replace">Set the value of the message property</option>
+            <option value="change">Search/replace the value of the message property</option>
+            <option value="delete">Delete the message property</option>
+        </select>
+    </div>
+    <div class="form-row" style="padding-top:10px;" id="node-prop1-row">
+        <label for="node-input-property">called</label> msg.<input type="text" id="node-input-property" style="width: 63%;"/>
+    </div>
+    <div class="form-row" id="node-from-row">
+        <label for="node-input-from" id="node-input-f"></label>
+        <input type="text" id="node-input-from" placeholder="this"/>
+    </div>
+    <div class="form-row" id="node-to-row">
+        <label for="node-input-to" id="node-input-t"></label>
+        <input type="text" id="node-input-to" placeholder="that"/>
+    </div>
+    <div class="form-row" id="node-reg-row">
+        <label>&nbsp;</label>
+        <input type="checkbox" id="node-input-reg" style="display: inline-block; width: auto; vertical-align: top;">
+        <label for="node-input-reg" style="width: 70%;">Use regular expressions ?</label>
+    </div>
+    <div class="form-tips" id="node-tip"></div>
+    <br/>
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+</script>
+
+<script type="text/x-red" data-help-name="change">
+    <p>A simple function node to change, replace, add or delete properties of a message.</p>
+    <p>When a message arrives, the selected property is modified by the defined rules.
+    The message is then sent to the output.</p>
+    <p><b>Note:</b> Replace only operates on <b>strings</b>. Anything else will be passed straight through.</p>
+</script>
+
+<script type="text/javascript">
+    RED.nodes.registerType('change', {
+        color: "#E2D96E",
+        category: 'function',
+        defaults: {
+            action: {value:"replace",required:true},
+            property: {value:"payload",required:true},
+            from: {value:"",validate: function(v) {
+                if (this.action == "change" && this.reg) {
+                    try {
+                        var re = new RegExp(this.from, "g");
+                        return true;
+                    } catch(err) {
+                        return false;
+                    }
+                }
+                return true;
+            }},
+            to: {value:""},
+            reg: {value:false},
+            name: {value:""}
+        },
+        inputs: 1,
+        outputs: 1,
+        icon: "swap.png",
+        label: function() {
+            if (this.name) {
+                return this.name;
+            }
+            if (this.action == "replace") {
+                return "set msg."+this.property;
+            } else {
+                return this.action+" msg."+this.property
+            }
+        },
+        labelStyle: function() {
+            return this.name ? "node_label_italic" : "";
+        },
+        oneditprepare: function() {
+            if (this.reg === null) { $("#node-input-reg").prop('checked', true); }
+            $("#node-input-action").change( function() {
+                var a = $("#node-input-action").val();
+                if (a === "replace") {
+                    $("#node-input-todo").html("called");
+                    //$("#node-input-f").html("name");
+                    $("#node-input-t").html("to");
+                    $("#node-from-row").hide();
+                    $("#node-to-row").show();
+                    $("#node-reg-row").hide();
+                    $("#node-tip").show();
+                    $("#node-tip").html("Tip: expects a new property name and either a fixed value OR the full name of another message property eg: msg.sentiment.score");
+                }
+                if (a === "delete") {
+                    $("#node-input-todo").html("called");
+                    //$("#node-input-f").html("called");
+                    //$("#node-input-t").html("to");
+                    $("#node-from-row").hide();
+                    $("#node-to-row").hide();
+                    $("#node-reg-row").hide();
+                    $("#node-tip").hide();
+                }
+                if (a === "change") {
+                    $("#node-input-todo").html("called");
+                    $("#node-input-f").html("Search for");
+                    $("#node-input-t").html("replace with");
+                    $("#node-from-row").show();
+                    $("#node-to-row").show();
+                    $("#node-reg-row").show();
+                    $("#node-tip").show();
+                    $("#node-tip").html("Tip: only works on string properties. If regular expressions are used, the <i>replace with</i> field can contain capture results, eg $1.");
+                }
+                //if (a === "replace") {
+                 //   $("#node-input-todo").html("called");
+                 //   //$("#node-input-f").html("with");
+                 //   $("#node-input-t").html("with");
+                 //   $("#node-from-row").hide();
+                 //   $("#node-to-row").show();
+                 //   $("#node-tip").html("Tip: accepts either a fixed value OR the full name of another msg.property eg: msg.sentiment.score");
+                //}
+            });
+            $("#node-input-action").change();
+        }
+    });
+</script>
diff --git a/dgbuilder/core_nodes/logic/15-change.js b/dgbuilder/core_nodes/logic/15-change.js
new file mode 100644
index 00000000..b7ef62e1
--- /dev/null
+++ b/dgbuilder/core_nodes/logic/15-change.js
@@ -0,0 +1,74 @@
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+module.exports = function(RED) {
+    "use strict";
+    function ChangeNode(n) {
+        RED.nodes.createNode(this, n);
+        this.action = n.action;
+        this.property = n.property || "";
+        this.from = n.from || " ";
+        this.to = n.to || " ";
+        this.reg = (n.reg === null || n.reg);
+        var node = this;
+        if (node.reg === false) {
+            this.from = this.from.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
+        }
+        var makeNew = function( stem, path, value ) {
+            var lastPart = (arguments.length === 3) ? path.pop() : false;
+            for (var i = 0; i < path.length; i++) {
+                stem = stem[path[i]] = stem[path[i]] || {};
+            }
+            if (lastPart) { stem = stem[lastPart] = value; }
+            return stem;
+        };
+
+        this.on('input', function (msg) {
+            if (node.action == "change") {
+                try {
+                    node.re = new RegExp(this.from, "g");
+                } catch (e) {
+                    node.error(e.message);
+                }
+                if (typeof msg[node.property] === "string") {
+                    msg[node.property] = (msg[node.property]).replace(node.re, node.to);
+                }
+            }
+            //else if (node.action == "replace") {
+                //if (node.to.indexOf("msg.") == 0) {
+                    //msg[node.property] = eval(node.to);
+                //}
+                //else {
+                    //msg[node.property] = node.to;
+                //}
+            //}
+            else if (node.action == "replace") {
+                if (node.to.indexOf("msg.") === 0) {
+                    makeNew( msg, node.property.split("."), eval(node.to) );
+                }
+                else {
+                    makeNew( msg, node.property.split("."), node.to );
+                }
+                //makeNew( msg, node.property.split("."), node.to );
+            }
+            else if (node.action == "delete") {
+                delete(msg[node.property]);
+            }
+            node.send(msg);
+        });
+    }
+    RED.nodes.registerType("change", ChangeNode);
+}
diff --git a/dgbuilder/core_nodes/logic/16-range.html b/dgbuilder/core_nodes/logic/16-range.html
new file mode 100644
index 00000000..5f87128f
--- /dev/null
+++ b/dgbuilder/core_nodes/logic/16-range.html
@@ -0,0 +1,81 @@
+<!--
+  Copyright 2013 IBM Corp.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<script type="text/x-red" data-template-name="range">
+    <div class="form-row">
+        <label for="node-input-action"><i class="fa fa-dot-circle-o"></i> Action</label>
+        <select id="node-input-action" style="width:70%; margin-right:5px;">
+            <option value="scale">Scale msg.payload</option>
+            <option value="clamp">Scale and limit to the target range</option>
+            <option value="roll">Scale and wrap within the target range</option>
+        </select>
+    </div>
+    <br/>
+    <div class="form-row"><i class="fa fa-sign-in"></i> Map the input range:</div>
+    <div class="form-row"><label></label>
+        from: <input type="text" id="node-input-minin" placeholder="e.g. 0" style="width:100px;"/>
+        &nbsp;&nbsp;to: <input type="text" id="node-input-maxin" placeholder="e.g. 99" style="width:100px;"/>
+    </div>
+    <div class="form-row"><i class="fa fa-sign-out"></i> to the result range:</div>
+    <div class="form-row"><label></label>
+        from: <input type="text" id="node-input-minout" placeholder="e.g. 0" style="width:100px;"/>
+        &nbsp;&nbsp;to: <input type="text" id="node-input-maxout" placeholder="e.g. 255" style="width:100px;"/>
+    </div>
+    <br/>
+    <div class="form-row"><label></label>
+        <input type="checkbox" id="node-input-round" style="display: inline-block; width: auto; vertical-align: top;">
+        <label style="width: auto;" for="node-input-round">Round result to the nearest integer?</label></input>
+    </div>
+    <br/>
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+    <div class="form-tips" id="node-tip">Tip: This node ONLY works with numbers.</div>
+</script>
+
+<script type="text/x-red" data-help-name="range">
+    <p>A simple function node to remap numeric input values to another scale.</p>
+    <p>Currently only does a linear scaling.</p>
+    <p><b>Note:</b> This only operates on <b>numbers</b>. Anything else will try to be made into a number and rejected if that fails.</p>
+    <p><i>Scale and limit to target range</i> means that the result will never be outside the range specified within the result range.</p>
+    <p><i>Scale and wrap within the target range</i> means that the result will essentially be a "modulo-style" wrap-around within the result range.</p>
+</script>
+
+<script type="text/javascript">
+    RED.nodes.registerType('range', {
+        color: "#E2D96E",
+        category: 'function',
+        defaults: {
+            minin: {value:"",required:true,validate:RED.validators.number()},
+            maxin: {value:"",required:true,validate:RED.validators.number()},
+            minout: {value:"",required:true,validate:RED.validators.number()},
+            maxout: {value:"",required:true,validate:RED.validators.number()},
+            action: {value:"scale"},
+            round: {value:false},
+            name: {value:""}
+        },
+        inputs: 1,
+        outputs: 1,
+        icon: "range.png",
+        label: function() {
+            return this.name || "range";
+        },
+        labelStyle: function() {
+            return this.name ? "node_label_italic" : "";
+        }
+    });
+</script>
diff --git a/dgbuilder/core_nodes/logic/16-range.js b/dgbuilder/core_nodes/logic/16-range.js
new file mode 100644
index 00000000..ec39342a
--- /dev/null
+++ b/dgbuilder/core_nodes/logic/16-range.js
@@ -0,0 +1,48 @@
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+module.exports = function(RED) {
+    "use strict";
+    function RangeNode(n) {
+        RED.nodes.createNode(this, n);
+        this.action = n.action;
+        this.round = n.round || false;
+        this.minin = Number(n.minin);
+        this.maxin = Number(n.maxin);
+        this.minout = Number(n.minout);
+        this.maxout = Number(n.maxout);
+        var node = this;
+
+        this.on('input', function (msg) {
+            var n = Number(msg.payload);
+            if (!isNaN(n)) {
+                if (node.action == "clamp") {
+                    if (n < node.minin) { n = node.minin; }
+                    if (n > node.maxin) { n = node.maxin; }
+                }
+                if (node.action == "roll") {
+                    if (n >= node.maxin) { n = (n - node.minin) % (node.maxin - node.minin) + node.minin; }
+                    if (n <  node.minin) { n = (n - node.minin) % (node.maxin - node.minin) + node.maxin; }
+                }
+                msg.payload = ((n - node.minin) / (node.maxin - node.minin) * (node.maxout - node.minout)) + node.minout;
+                if (node.round) { msg.payload = Math.round(msg.payload); }
+                node.send(msg);
+            }
+            else { node.log("Not a number: "+msg.payload); }
+        });
+    }
+    RED.nodes.registerType("range", RangeNode);
+}