node-opcua-date-time - npm Package Compare versions

Comparing version 2.1.0 to 2.1.3

dist/date_time.d.ts

@@ -28,2 +28,4 @@ export declare class DateWithPicoseconds extends Date {
 export declare function getCurrentClockWithJavascriptDate(): PreciseClock;
+export declare function installPeriodicClockAdjustmement(): void;
+export declare function uninstallPeriodicClockAdjustmement(): void;
 export declare function getCurrentClock(): PreciseClock;
@@ -30,0 +32,0 @@ export declare function coerceClock(timestamp: any, picoseconds?: number): {

dist/date_time.js

@@ -134,4 +134,30 @@ "use strict";
 exports.getCurrentClockWithJavascriptDate = getCurrentClockWithJavascriptDate;
-const origin = process.hrtime();
-const refTime = Date.now();
+let origin = process.hrtime();
+let refTime = Date.now();
+// update refTime now and then to make sure that we don't miss
+// any system time adjustment here such as a NTP clock event
+// see #651
+let timerId;
+let timerInstallationCount = 0;
+const g_setInterval = global.setInterval;
+const g_clearInterval = global.clearInterval;
+function installPeriodicClockAdjustmement() {
+    timerInstallationCount++;
+    if (timerId) {
+        return;
+    }
+    timerId = g_setInterval(() => {
+        origin = process.hrtime();
+        refTime = Date.now();
+    }, 30000 /* every 30 seconds */);
+}
+exports.installPeriodicClockAdjustmement = installPeriodicClockAdjustmement;
+function uninstallPeriodicClockAdjustmement() {
+    timerInstallationCount--;
+    if (timerInstallationCount <= 0) {
+        g_clearInterval(timerId);
+        timerId = null;
+    }
+}
+exports.uninstallPeriodicClockAdjustmement = uninstallPeriodicClockAdjustmement;
 const gClock = {
@@ -138,0 +164,0 @@ tick: [0, 0],

package.json

@@ -5,3 +5,3 @@ {
  "types": "./dist/index.d.ts",
- "version": "2.1.0",
+ "version": "2.1.3",
  "description": "pure nodejs OPCUA SDK - module -date-time",
@@ -39,3 +39,3 @@ "scripts": {
  "homepage": "http://node-opcua.github.io/",
- "gitHead": "ddce2b6e3e13371510e63d839c1a4c4ff0be2c15"
+ "gitHead": "a47d959488b88d80c6d4d339d08c80ccc5490ffd"
 }

source/date_time.ts

@@ -154,4 +154,30 @@ /**
 
-const origin = process.hrtime();
-const refTime = Date.now();
+let origin = process.hrtime();
+let refTime = Date.now();
+
+// update refTime now and then to make sure that we don't miss
+// any system time adjustment here such as a NTP clock event
+// see #651
+let timerId: NodeJS.Timeout | null;
+let timerInstallationCount = 0;
+const g_setInterval = global.setInterval;
+const g_clearInterval = global.clearInterval;
+export function installPeriodicClockAdjustmement() {
+    timerInstallationCount++;
+    if (timerId) {
+        return;
+    }
+    timerId = g_setInterval(() => {
+        origin = process.hrtime();
+        refTime = Date.now();
+    }, 30000 /* every 30 seconds */);
+}
+export function uninstallPeriodicClockAdjustmement() {
+    timerInstallationCount--;
+    if (timerInstallationCount <= 0) {
+        g_clearInterval(timerId!);
+        timerId = null;
+    }
+}
+
 const gClock: PreciseClockEx = {
@@ -164,2 +190,3 @@ tick: [0, 0],
 
+
 // make sure we get a pointer to the actual process.hrtime,
@@ -166,0 +193,0 @@ // just in case it get overridden by some library (such as sinon)

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Improved metrics

Total package byte prevSize

34555

increased by7.43%

Lines of code

616

increased by9.22%

No dependency changes