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package reload
import (
"errors"
"fmt"
"github.com/sirupsen/logrus"
"github.com/spiral/roadrunner"
"github.com/spiral/roadrunner/service"
"os"
"strings"
"time"
)
// ID contains default service name.
const ID = "reload"
type Service struct {
cfg *Config
log *logrus.Logger
watcher *Watcher
}
// Init controller service
func (s *Service) Init(cfg *Config, log *logrus.Logger, c service.Container) (bool, error) {
if cfg == nil || len(cfg.Services) == 0 {
return false, nil
}
s.cfg = cfg
s.log = log
var configs []WatcherConfig
// mount Services to designated services
for serviceName := range cfg.Services {
svc, _ := c.Get(serviceName)
if ctrl, ok := svc.(roadrunner.Controllable); ok {
tmp := cfg.Services[serviceName]
tmp.service = &ctrl
cfg.Services[serviceName] = tmp
}
}
for serviceName, config := range s.cfg.Services {
if cfg.Services[serviceName].service == nil {
continue
}
ignored, err := ConvertIgnored(config.Ignore)
if err != nil {
return false, err
}
configs = append(configs, WatcherConfig{
serviceName: serviceName,
recursive: config.Recursive,
directories: config.Dirs,
filterHooks: func(filename string, patterns []string) error {
for i := 0; i < len(patterns); i++ {
if strings.Contains(filename, patterns[i]) {
return nil
}
}
return ErrorSkip
},
files: make(map[string]os.FileInfo),
ignored: ignored,
filePatterns: append(config.Patterns, cfg.Patterns...),
})
}
var err error
s.watcher, err = NewWatcher(configs)
if err != nil {
return false, err
}
return true, nil
}
func (s *Service) Serve() error {
if s.cfg.Interval < time.Second {
return errors.New("reload interval is too fast")
}
go func() {
for e := range s.watcher.Event {
println(fmt.Sprintf("[UPDATE] Service: %s, path to file: %s, filename: %s", e.service, e.path, e.info.Name()))
srv := s.cfg.Services[e.service]
if srv.service != nil {
sv := *srv.service
err := sv.Server().Reset()
if err != nil {
s.log.Error(err)
}
} else {
s.watcher.mu.Lock()
delete(s.watcher.watcherConfigs, e.service)
s.watcher.mu.Unlock()
}
}
}()
//go func() {
// for {
// select {
// case <-update:
// updated = append(updated, update)
// case <-time.Ticker:
// updated = updated[0:0]
// err := sv.Server().Reset()
// s.log.Debugf(
// "reload %s, found file changes in %s",
// strings.Join(updated, ","),
// )
// case <-exit:
// }
// }
//}()
err := s.watcher.StartPolling(s.cfg.Interval)
if err != nil {
return err
}
return nil
}
func (s *Service) Stop() {
s.watcher.Stop()
}
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