Release 1.0.4 (#62, #65)

CHANGELOG.md

@@ -2,6 +2,10 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+## [v1.0.4] - 2023-10-12
+### Added
+- Configurable `timeout` for `arp-scan` [#65](https://github.com/aceberg/WatchYourLAN/issues/65)
+
 ## [v1.0.3] - 2023-10-08
 ### Fixed
 - Github Action workflow for binary release

README.md

@@ -41,6 +41,7 @@ Configuration can be done through config file or environment variables
 
 | Variable  | Description | Default |
 | --------  | ----------- | ------- |
+| ARP_TIMEOUT | Per host timeout for <b>arp-scan</b> (in milliseconds) | 500 |
 | AUTH | Enable Session-Cookie authentication | false |
 | AUTH_EXPIRE | Session expiration time. A number and suffix: **m, h, d** or **M**. | 7d |
 | AUTH_USER | Username | "" |

internal/conf/config.go

@@ -21,10 +21,12 @@ func Get(path string) (config models.Conf, authConf auth.Conf) {
 	viper.SetDefault("COLOR", "light")
 	viper.SetDefault("IGNOREIP", "no")
 	viper.SetDefault("LOGLEVEL", "verbose")
+	viper.SetDefault("HISTORY_DAYS", "30")
+	viper.SetDefault("ARP_TIMEOUT", "500")
+
 	viper.SetDefault("AUTH_USER", "")
 	viper.SetDefault("AUTH_PASSWORD", "")
 	viper.SetDefault("AUTH_EXPIRE", "7d")
-	viper.SetDefault("HISTORY_DAYS", "30")
 
 	viper.SetConfigFile(path)
 	viper.SetConfigType("yaml")
@@ -44,6 +46,8 @@ func Get(path string) (config models.Conf, authConf auth.Conf) {
 	config.IgnoreIP = viper.Get("IGNOREIP").(string)
 	config.LogLevel = viper.Get("LOGLEVEL").(string)
 	config.HistDays = viper.Get("HISTORY_DAYS").(string)
+	config.ArpTimeout = viper.Get("ARP_TIMEOUT").(string)
+
 	authConf.Auth = viper.GetBool("AUTH")
 	authConf.User, _ = viper.Get("AUTH_USER").(string)
 	authConf.Password, _ = viper.Get("AUTH_PASSWORD").(string)
@@ -72,6 +76,7 @@ func Write(path string, config models.Conf, authConf auth.Conf) {
 	viper.Set("IGNOREIP", config.IgnoreIP)
 	viper.Set("LOGLEVEL", config.LogLevel)
 	viper.Set("HISTORY_DAYS", config.HistDays)
+	viper.Set("ARP_TIMEOUT", config.ArpTimeout)
 
 	viper.Set("auth", authConf.Auth)
 	viper.Set("auth_user", authConf.User)

internal/models/models.go

@@ -20,6 +20,7 @@ type Conf struct {
 	Icon       string
 	Auth       bool
 	HistDays   string
+	ArpTimeout string
 }
 
 // Host - one host

internal/scan/arpscan.go

@@ -10,7 +10,7 @@ import (
 )
 
 func scanIface(iface string) string {
-	cmd, err := exec.Command("arp-scan", "-glNx", "-I", iface).Output()
+	cmd, err := exec.Command("arp-scan", "-glNx", "-t", appConfig.ArpTimeout, "-I", iface).Output()
 	if err != nil {
 		return string("")
 	}
@@ -40,15 +40,15 @@ func parseOutput(text string) []models.Host {
 }
 
 // Scan all interfaces
-func arpScan(allIfaces string, logLevel string) []models.Host {
+func arpScan() []models.Host {
 	var text string
 	var foundHosts = []models.Host{}
 
-	perString := strings.Split(allIfaces, " ")
+	perString := strings.Split(appConfig.Iface, " ")
 
 	for _, iface := range perString {
 		text = scanIface(iface)
-		if logLevel != "short" {
+		if appConfig.LogLevel != "short" {
 			log.Println("INFO: scanning interface", iface)
 			log.Println("INFO: found IPs:", text)
 		}

internal/scan/start.go

@@ -28,7 +28,7 @@ func Start(config models.Conf, quit chan bool) {
 			plusDate := lastDate.Add(time.Duration(appConfig.Timeout) * time.Second)
 
 			if nowDate.After(plusDate) {
-				structHosts = arpScan(appConfig.Iface, appConfig.LogLevel) // arpscan.go
+				structHosts = arpScan() // arpscan.go
 				dbHosts = db.Select(appConfig.DbPath)
 
 				toMap()

internal/web/config.go

@@ -42,6 +42,7 @@ func saveConfigHandler(w http.ResponseWriter, r *http.Request) {
 	AppConfig.IgnoreIP = r.FormValue("ignoreip")
 	AppConfig.LogLevel = r.FormValue("loglevel")
 	AppConfig.HistDays = r.FormValue("history")
+	AppConfig.ArpTimeout = r.FormValue("arp_timeout")
 
 	timeout := r.FormValue("timeout")
 	AppConfig.Timeout, err = strconv.Atoi(timeout)

internal/web/templates/config.html

@@ -24,7 +24,7 @@
                 </tr>
                 <tr>
                     <td>Timeout (seconds)</td>
-                    <td><input name="timeout" type="text" class="form-control" value="{{ .Config.Timeout }}"></td>
+                    <td><input name="timeout" type="number" class="form-control" value="{{ .Config.Timeout }}"></td>
                 </tr>
                 <tr>
                     <td>Shoutrrr URL</td>
@@ -71,7 +71,23 @@
                 </tr>
                 <tr>
                     <td>Keep history (days)</td>
-                    <td><input name="history" type="text" class="form-control" value="{{ .Config.HistDays }}"></td>
+                    <td><input name="history" type="number" class="form-control" value="{{ .Config.HistDays }}"></td>
+                </tr>
+                <tr>
+                    <td>Arp Timeout</td>
+                    <td>
+                        <select name="arp_timeout" class="form-select">
+                            <option selected value="{{ .Config.ArpTimeout }}">{{ .Config.ArpTimeout }}</option>
+                            <option value="100">100</option>
+                            <option value="250">250</option>
+                            <option value="500">500</option>
+                            <option value="1000">1000</option>
+                            <option value="1500">1500</option>
+                            <option value="2000">2000</option>
+                            <option value="3000">3000</option>
+                            <option value="5000">5000</option>
+                        </select>
+                    </td>
                 </tr>
                 <tr>
                     <td><button type="submit" class="btn btn-primary">Save</button></td>
@@ -92,6 +108,7 @@
                 <p>● If you want to detect unknown hosts by MAC only, set <b>Ignore IP</b> to "yes"</p>
                 <p>● <b>Log Level</b> defines how much log output you want to see</p>
                 <p>● The <b>Clear table</b> button below will delete all records from table. If you want to delete a single host, click on its MAC and press <b>Delete host</b> button</p>
+                <p>● <b>Arp Timeout</b> per host timeout for <b>arp-scan</b> (in milliseconds). Default: 500</p>
             </div>
             <br>
             <form action="/clear/" method="post">

internal/web/templates/version

@@ -1 +1 @@
-VERSION=1.0.3
+VERSION=1.0.4