New feature: write log file

config.yml

@@ -16,6 +16,7 @@ faillimit: 2
 killondc: true
 shutdownondc: false
 killcoherentui: false
+log: true
 
 # Set the process priority. Allowed values are: idle, below normal, normal, above normal, high priority, realtime
 # Also requires admin rights!

lib/config.go

@@ -23,6 +23,7 @@ type Config struct {
 	KillOnDC bool
 	ShutdownOnDC bool
 	KillCoherentUI bool
+	Log bool
 	ProcessPriority string
 }
 
@@ -65,6 +66,7 @@ func Read_Settings(ex string) (config Config, err error) {
 				"killondc: true\r\n" +
 				"shutdownondc: false\r\n" +
 				"killcoherentui: false\r\n" +
+				"log: true\r\n" +
 				"\r\n" +
 				"# Set the process priority. Allowed values are: idle, below normal, normal, above normal, high priority, realtime\r\n" +
 				"# Also requires admin rights!\r\n" +

lib/log.go

@@ -0,0 +1,26 @@
+package lib
+
+import (
+	"os"
+	"log"
+)
+
+func logger(msg string) (err error) {
+
+	// create your file with desired read/write permissions
+	f, err := os.OpenFile("log.txt", os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0777)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// defer to close when you're done with it, not because you think it's idiomatic!
+	defer f.Close()
+
+	// set output of logs to f
+	log.SetOutput(f)
+
+	// write message
+	log.Println(msg)
+
+	return err
+}

lib/watchdog.go

@@ -64,14 +64,19 @@ func Watchdog(
 		// If the process is running, but no longer connected we trigger the following actions
 		if EXIT {
 
-			// Only procede with exit routine if we reached the fail threshold
+			// Only proceed with exit routine if we reached the fail threshold
 			if PENALTY >= config.FailLimit {
 
 				// Optional: shutdown the computer if the monitored process is disconnected
 				if config.ShutdownOnDC {
 					exec.Command("cmd", "/C", "shutdown", "/s").Run()
 				}
 
+				// Optional: write disconnect msg to log file
+				if config.Log {
+					logger("Process (PID " + strconv.Itoa(PID) + ") disconnected\r\n")
+				}
+
 				// Optional: kill the monitored process if it is disconnected
 				// requires elevated rights --> start .exe as administrator
 				if config.KillOnDC && PID != 0 {

main.go

@@ -8,7 +8,7 @@ import (
 )
 
 // Variables
-const VERSION = "0.1.9"
+const VERSION = "0.2.0"
 var errmsg string
 
 func main() {
@@ -69,6 +69,7 @@ func main() {
 		box_settings.Append(ui.NewLabel("Kill process after disconnect: " + strconv.FormatBool(config.KillOnDC)), false)
 		box_settings.Append(ui.NewLabel("Shutdown PC after disconnect: " + strconv.FormatBool(config.ShutdownOnDC) ), false)
 		box_settings.Append(ui.NewLabel("Kill CoherenUI_Host.exe: " + strconv.FormatBool(config.KillCoherentUI)), false)
+		box_settings.Append(ui.NewLabel("Write log file: " + strconv.FormatBool(config.Log)), false)
 		box_settings.Append(ui.NewLabel("Process Priority: " + config.ProcessPriority), false)
 
 		// Append UI elements for about tab