bandwidth-monitor - npm Package Compare versions

Comparing version 1.0.2 to 1.0.3

example.js

@@ -6,5 +6,12 @@ const BandwidthMonitor = require('.');
 console.log(Object.keys(b.monitors));
-setInterval(() => {
-  console.log(b.monitors.en0.rxPerSec);
-  // b.monitors.en0.close();
-}, 1000);
+
+try{
+  b.monitors.en0.capture();
+  setInterval(() => {
+    console.log(b.monitors.en0.rxPerSec);
+    // b.monitors.en0.close();
+  }, 1000);
+}catch (e) {
+  console.log('need root ! add sudo command.');
+}
+

index.js

@@ -7,3 +7,2 @@
 const bufSize = 10 * 1024 * 1024;
-const buffer = new Buffer(bufSize);
 
@@ -51,4 +50,4 @@ function isIPv4(string) {
     this.cap = new Cap();
-    //todo(cc): catch permission denied warning
-    const link = this.cap.open(device.name, '', bufSize, buffer);
+
+    this.device = device;
     this.totalRx = 0;
@@ -58,10 +57,18 @@ this.totalTx = 0;
     this.txPerSec = 0;
+    this.buffer = new Buffer(bufSize);
 
+
+  }
+
+  capture(){
+    //need root
+    this.link = this.cap.open(this.device.name, '', bufSize, this.buffer);
+
     this.cap.on('packet', (size) => {
-      if (link === 'ETHERNET') {
-        let ret = decoders.Ethernet(buffer);
+      if (this.link === 'ETHERNET') {
+        let ret = decoders.Ethernet(this.buffer);
         //todo(cc): support ipv6
         if (ret.info.type === PROTOCOL.ETHERNET.IPV4) {
-          ret = decoders.IPV4(buffer, ret.offset);
-          if (ret.info.srcaddr !== device.ipv4) {
+          ret = decoders.IPV4(this.buffer, ret.offset);
+          if (ret.info.srcaddr !== this.device.ipv4) {
             this.totalRx += size;
@@ -89,2 +96,4 @@ } else {
     this.cap.close();
+    this.buffer = null;
+
   }
@@ -91,0 +100,0 @@ }

package.json

 {
   "name": "bandwidth-monitor",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "",
@@ -5,0 +5,0 @@ "main": "index.js",

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Fixed alerts

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Improved metrics

Total package byte prevSize

23465

increased by0.83%

Lines of code

92

increased by10.84%

No dependency changes