Files
OliveTin/service/internal/servicehost/servicehost_windows.go

140 lines
2.9 KiB
Go

//go:build windows
// +build windows
package servicehost
import (
log "github.com/sirupsen/logrus"
"fmt"
"golang.org/x/sys/windows/svc"
"golang.org/x/sys/windows/svc/debug"
"os"
"path"
"path/filepath"
"time"
)
type otWindowsService struct{}
//gocyclo:ignore
func (m *otWindowsService) Execute(args []string, r <-chan svc.ChangeRequest, status chan<- svc.Status) (svcSpecificExitCode bool, exitCode uint32) {
const cmdsAccepted = svc.AcceptStop | svc.AcceptShutdown | svc.AcceptPauseAndContinue
tick := time.Tick(1 * time.Minute)
status <- svc.Status{State: svc.StartPending}
status <- svc.Status{State: svc.Running, Accepts: cmdsAccepted}
log.Info("Servicehost started")
for {
select {
case <-tick:
log.Debug("servicehost Tick")
case c := <-r:
switch c.Cmd {
case svc.Interrogate:
status <- c.CurrentStatus
case svc.Stop, svc.Shutdown:
log.Info("Stopping service")
return false, 0
case svc.Pause:
status <- svc.Status{State: svc.Paused, Accepts: cmdsAccepted}
case svc.Continue:
status <- svc.Status{State: svc.Running, Accepts: cmdsAccepted}
default:
log.Infof("Unexpected control request: %d", c.Cmd)
}
}
}
}
func setupLogging() {
logsDir := path.Join(GetConfigFilePath(), "logs")
os.MkdirAll(logsDir, 0755)
timestamp := time.Now().Format("2006-01-02_15-04-05")
filename := path.Join(logsDir, fmt.Sprintf("OliveTin-service-%v.log", timestamp))
log.Infof("Setting up logging to file: %v", filename)
f, err := os.Create(filename)
if err != nil {
log.Infof("Failed to open log file: %v", err)
} else {
log.Infof("Switching to log file: %v", f.Name())
log.SetOutput(f)
log.Infof("Opened log file: %v", f.Name())
}
}
func GetConfigFilePath() string {
programDataDir := path.Join(os.Getenv("ProgramData"), "OliveTin")
_, err := os.Stat(programDataDir)
if os.IsNotExist(err) {
os.MkdirAll(programDataDir, 0755)
}
return programDataDir
}
func cdToExecutableDir() {
ex, err := os.Executable()
if err != nil {
panic(fmt.Sprintf("Failed to get executable path: %s", err))
}
exPath := filepath.Dir(ex)
err = os.Chdir(exPath)
if err != nil {
panic(fmt.Sprintf("Failed to change directory to executable path: %s", err))
}
}
//gocyclo:ignore
func startServiceHandler(mode string) {
cdToExecutableDir()
const serviceName = "OliveTin"
var err error
switch mode {
case "winsvc-debug":
log.Infof("Running Windows service in debug mode")
err = debug.Run(serviceName, &otWindowsService{})
case "winsvc-standard":
log.Infof("Running Windows service in standard mode")
err = svc.Run(serviceName, &otWindowsService{})
case "":
return
default:
log.Fatalf("Unknown servicehost service mode: %s", mode)
}
if err != nil {
log.Fatalf("Failed to run service: %v", err)
}
log.Infof("Servicehost handler completed")
os.Exit(0)
}
func Start(mode string) {
setupLogging()
go startServiceHandler(mode)
}