/
main.go
162 lines (143 loc) · 3.31 KB
/
main.go
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package main
import (
"github.com/darvik80/monitor/config"
"github.com/darvik80/monitor/fsevents"
"github.com/darvik80/monitor/log"
"github.com/darvik80/monitor/worker"
"github.com/darvik80/monitor/worker/job"
"github.com/darvik80/daemon"
"path/filepath"
"time"
"os"
"os/signal"
"syscall"
"sync"
"strings"
)
const (
// name of the service
name = "torrent-monitor"
description = "Torrent monitor"
)
// dependencies that are NOT required by the service, but might be used
var dependencies = []string{}
// Service has embedded daemon
type Service struct {
daemon.Daemon
}
// Manage by daemon commands or run the daemon
func (service *Service) Manage(cfg *config.Config) (string, error) {
usage := "Usage: myservice install | remove | start | stop | status"
// if received any kind of command, do it
if len(os.Args) > 1 {
command := os.Args[1]
switch command {
case "install":
return service.Install()
case "remove":
return service.Remove()
case "start":
return service.Start()
case "stop":
return service.Stop()
case "status":
return service.Status()
default:
if !strings.HasPrefix(command, "logfile=") {
return usage, nil
}
}
}
run(cfg)
return "", nil
}
func run(cfg *config.Config) {
workerInst := worker.NewWorker()
done := make(chan bool)
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt, os.Kill, syscall.SIGTERM)
wg := sync.WaitGroup{}
wg.Add(2)
go func () {
defer func() {
workerInst.Done()
close(done)
log.Info("Stop watch")
wg.Done()
}()
killSignal, data := <-interrupt
if data {
log.Warningf("Got signal: %s", killSignal)
} else {
log.Warning("Kill self")
}
}()
go func() {
defer func() {
log.Info("Stop monitoring")
close(interrupt)
wg.Done()
}()
log.Info("Start watch")
watcher, err := fsevents.NewWatcher()
if err != nil {
log.Errorf("Create watcher failed: %s", err.Error())
return
}
if events, err := watcher.Watch(cfg.WatchDir, done); err != nil {
log.Errorf("Monitoring failed: %s", err.Error())
} else {
log.Info("Start monitoring")
for event := range events {
if event.IsCreate() {
log.Debugf("Created: %s", event.Path())
job := job.NewMacros(
job.NewCheckExt(event.Path(), ".torrent"),
job.NewWait(time.Second),
job.NewMove(event.Path(), filepath.Join(cfg.TorrentsDir, filepath.Base(event.Path()))))
workerInst.Push(job, worker.Priority_Low)
} else if event.IsDelete() {
log.Debugf("Deleted: %s", event.Path())
} else if event.IsRename() {
log.Debugf("Renamed: %s", event.Path())
}
}
}
}()
wg.Wait()
}
func main() {
var filepath *string
if len(os.Args) > 1 {
for _, arg := range os.Args {
if strings.HasPrefix(arg, "logfile=") {
path := arg[8:]
filepath = &path
}
}
}
log.Setup(filepath)
cfg := config.NewConfig()
if err := cfg.Read([]string{"/etc/torrent-monitor", "../etc", "./etc"}); err != nil {
log.Critical(err.Error())
return
}
if cfg.DaemonMode {
srv, err := daemon.New(name, description, dependencies...)
if err != nil {
log.Critical(err.Error())
os.Exit(1)
}
service := &Service{srv}
status, err := service.Manage(cfg)
if err != nil {
log.Error(err.Error())
os.Exit(1)
}
if len(status) > 0 {
log.Info(status)
}
} else {
run(cfg)
}
}