Merge pull request #3116 from node-red-hitachi/dev-httpreqlog

Extend HTTP request node to log detailed timing information

packages/node_modules/@node-red/nodes/core/network/21-httprequest.js

@@ -99,6 +99,11 @@ in your Node-RED user directory (${RED.settings.userDir}).
             noprox = proxyConfig.noproxy;
         }
 
+        let timingLog = false;
+        if (RED.settings.hasOwnProperty("httpRequestTimingLog")) {
+            timingLog = RED.settings.httpRequestTimingLog;
+        }
+
         this.on("input",function(msg,nodeSend,nodeDone) {
             checkNodeAgentPatch();
             //reset redirectList on each request
@@ -514,6 +519,9 @@ in your Node-RED user directory (${RED.settings.userDir}).
                     if (res.client && res.client.bytesRead) {
                         node.metric("size.bytes", msg, res.client.bytesRead);
                     }
+                    if (timingLog) {
+                        emitTimingMetricLog(res.timings, msg);
+                    }
                 }
 
                 // Convert the payload to the required return type
@@ -538,6 +546,9 @@ in your Node-RED user directory (${RED.settings.userDir}).
                 }
                 msg.payload = err.toString() + " : " + url;
                 msg.statusCode = err.code || (err.response?err.response.statusCode:undefined);
+                if (node.metric() && timingLog) {
+                    emitTimingMetricLog(err.timings, msg);
+                }
                 nodeSend(msg);
                 nodeDone();
             });
@@ -547,6 +558,28 @@ in your Node-RED user directory (${RED.settings.userDir}).
             node.status({});
         });
 
+        function emitTimingMetricLog(timings, msg) {
+            const props = [
+                "start",
+                "socket",
+                "lookup",
+                "connect",
+                "secureConnect",
+                "upload",
+                "response",
+                "end",
+                "error",
+                "abort"
+            ];
+            if (timings) {
+                props.forEach(p => {
+                    if (timings[p]) {
+                        node.metric(`timings.${p}`, msg, timings[p]);
+                    }
+                });
+            }
+        }
+
         function extractCookies(setCookie) {
             var cookies = {};
             setCookie.forEach(function(c) {