add services with statsu server state and remove stage lights

backend/models/configuration.go

@@ -0,0 +1,6 @@
+package models
+
+type Configuration struct {
+	CfgFileName string    `json:"cfgFileName,omitempty"`
+	Services    []Service `json:"services,omitempty"`
+}

backend/models/drivers.go

@@ -1,9 +0,0 @@
-package models
-
-type Drivers struct {
-	Name             string   `json:"name"`
-	Description      string   `json:"description"`
-	ExecutablePath   string   `json:"executablePath,omitempty"`
-	WorkingDirectory string   `json:"workingDirectory,omitempty"`
-	Arguments        []string `json:"arguments,omitempty"`
-}

backend/models/service.go

@@ -0,0 +1,80 @@
+package models
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+)
+
+type Service struct {
+	Name             string    `json:"name"`
+	Description      string    `json:"description"`
+	ExecutablePath   string    `json:"executablePath,omitempty"`
+	WorkingDirectory string    `json:"workingDirectory,omitempty"`
+	Arguments        []string  `json:"arguments,omitempty"`
+	State            string    `json:"-"`
+	Cmd              *exec.Cmd `json:"-"`
+	Stopping         bool      `json:"-"`
+}
+
+func (s *Service) Start(errFunc func(e string)) error {
+	s.State = "Error"
+	absolutePath, err := filepath.Abs(s.ExecutablePath)
+	if err != nil {
+		return err
+	}
+
+	var arguments []string
+
+	for _, a := range s.Arguments {
+		arguments = append(arguments, strings.Split(a, " ")...)
+	}
+	s.Cmd = exec.Command(absolutePath, arguments...)
+	s.Cmd.Dir = s.WorkingDirectory
+	s.Cmd.Stdout = os.Stdout
+	s.Cmd.Stderr = os.Stderr
+
+	err = s.Cmd.Start()
+	if err != nil {
+		return err
+	}
+
+	go func() {
+		err := s.Cmd.Wait()
+		if err != nil {
+			// Process exited with error
+			if exitErr, ok := err.(*exec.ExitError); ok {
+				if !s.Stopping {
+					errFunc(fmt.Sprintf("Command failed with exit code %d: %v", exitErr.ExitCode(), err))
+				}
+			} else {
+				errFunc(fmt.Sprintf("Command wait error: %v", err))
+			}
+		}
+		s.Stopping = false
+	}()
+
+	s.State = "Running"
+	return nil
+}
+
+func (s *Service) Stop() error {
+	s.State = "Error"
+
+	if s.Cmd == nil {
+		return errors.New("process nil pointer")
+	}
+
+	// Stop (kill) the process
+	s.Stopping = true
+	err := s.Cmd.Process.Kill()
+	if err != nil {
+		return err
+	}
+
+	s.State = "Stopped"
+	return nil
+}