Multiple interfaces

.github/workflows/docker-publish.yml

@@ -14,7 +14,7 @@ on:
 
 env:
   IMAGE_NAME: watchyourlan
-  TAGS: latest, v0.5
+  TAGS: latest, v0.6
 
 
 jobs:

.gitignore

@@ -1,3 +1,4 @@
 # Ignore local data
 data/
 watchyourlan
+tmp/

README.md

@@ -1,6 +1,7 @@
 # WatchYourLAN
 
 [![Docker](https://github.com/aceberg/WatchYourLAN/actions/workflows/docker-publish.yml/badge.svg)](https://github.com/aceberg/WatchYourLAN/actions/workflows/docker-publish.yml)
+![Docker Image Size (latest semver)](https://img.shields.io/docker/image-size/aceberg/watchyourlan)
 
 Local network IP scanner with web gui
 

src/arpscan.go

@@ -2,7 +2,6 @@ package main
 
 import (
     // "fmt"
-    "log"
     "os/exec"
     "strings"
 	"time"
@@ -11,11 +10,10 @@ import (
 func scan_iface(iface string) (string) {
     cmd, err := exec.Command("arp-scan", "-glNx", "-I", iface).Output()
     if err != nil {
-        log.Fatal(err)
+        return string("")
+    } else {
+        return string(cmd)
     }
-
-    return string(cmd)
-    // fmt.Println(text)
 }
 
 func parse_output(text string) ([]Host) {    
@@ -24,10 +22,10 @@ func parse_output(text string) ([]Host) {
     perString := strings.Split(text, "\n")
 	currentTime := time.Now()
 
-    for _, v := range perString {
-        if v != "" {
+    for _, host := range perString {
+        if host != "" {
             var oneHost Host
-            p := strings.Split(v, "	")
+            p := strings.Split(host, "	")
             oneHost.Ip = p[0]
             oneHost.Mac = p[1]
             oneHost.Hw = p[2]
@@ -38,5 +36,18 @@ func parse_output(text string) ([]Host) {
     }
 
     return foundHosts
-    // fmt.Println(foundHosts)
+}
+
+func arp_scan() ([]Host) {
+    var text string
+    var foundHosts = []Host{}
+
+    perString := strings.Split(AppConfig.Iface, " ")
+
+    for _, iface := range perString {
+        text = scan_iface(iface)
+        foundHosts = append(foundHosts, parse_output(text)...)
+    }
+
+    return foundHosts
 }

src/main.go

@@ -27,9 +27,9 @@ type Conf struct {
 var AppConfig Conf
 var AllHosts []Host
 
-func scan() {
+func scan_and_compare() {
     for {
-        foundHosts := parse_output(scan_iface(AppConfig.Iface))
+        foundHosts := arp_scan()
         dbHosts := db_select()
         db_setnow()
         hosts_compare(foundHosts, dbHosts)
@@ -45,8 +45,7 @@ func main() {
     AppConfig = get_config("./data/config")
     db_create()
     
-    // fmt.Println("Timeout: ", AppConfig.Timeout)
-    go scan()
+    go scan_and_compare()
 
     webgui()
 }