Add option for IPv6 agent to request node

Author: JKRhb

coap/coap-request.html

@@ -11,6 +11,7 @@
                     );
                 },
             },
+            useIPv6Agent: { value: false, required: true },
             observe: { value: false, required: true },
             multicast: { value: false, required: true },
             multicastTimeout: { value: 20000, required: false },
@@ -53,6 +54,10 @@
             <option value="DELETE">DELETE</option>
         </select>
     </div>
+    <div class="form-row">
+        <input type="checkbox" id="node-input-useIPv6Agent" style="display: inline-block; width: auto; vertical-align: top;">
+        <label for="node-input-useIPv6Agent" style="width: auto" data-i18n="coapRequest.inputIPv6.label"></label>
+    </div>
     <div class="form-row">
         <input type="checkbox" id="node-input-observe" style="display: inline-block; width: auto; vertical-align: top;">
         <label for="node-input-observe" style="width: auto" data-i18n="coapRequest.inputObserve.label"></label>

coap/coap-request.js

@@ -42,6 +42,10 @@ module.exports = function (RED) {
             reqOpts.multicast = config.multicast;
             reqOpts.multicastTimeout = config.multicastTimeout;
 
+            if (node.options.useIPv6Agent) {
+                reqOpts.agent = coap.globalAgentIPv6;
+            }
+
             function _onResponse(res) {
                 function _send(payload) {
                     node.send(

coap/locales/de/coap-request.json

@@ -9,6 +9,9 @@
             "label": "URL",
             "placeholder": "coap://"
         },
+        "inputIPv6": {
+            "label": "IPv6-Agent verwenden"
+        },
         "inputMethod": {
             "label": "Methode"
         },

coap/locales/en-US/coap-request.json

@@ -9,6 +9,9 @@
             "label": "URL",
             "placeholder": "coap://"
         },
+        "inputIPv6": {
+            "label": "Use IPv6 agent"
+        },
         "inputMethod": {
             "label": "Method"
         },