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|
package reload
import (
"errors"
"fmt"
"github.com/spiral/roadrunner"
"github.com/spiral/roadrunner/service"
"os"
"strings"
"time"
)
// ID contains default service name.
const ID = "reload"
type Service struct {
reloadConfig *Config
watcher *Watcher
}
// Init controller service
func (s *Service) Init(cfg *Config, c service.Container) (bool, error) {
s.reloadConfig = cfg
if !s.reloadConfig.Enabled {
return false, nil
}
wd, err := os.Getwd()
if err != nil {
return false, err
}
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.reloadConfig.Services {
if cfg.Services[serviceName].service == nil {
continue
}
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: ConvertIgnored(wd, config.Ignore),
filePatterns: config.Patterns,
})
}
s.watcher, err = NewWatcher(wd, configs)
if err != nil {
return false, err
}
return true, nil
}
func (s *Service) Serve() error {
if !s.reloadConfig.Enabled {
return nil
}
go func() {
for {
select {
case e := <-s.watcher.Event:
println(fmt.Sprintf("Service is:%s, path:%s, name:%s", e.service, e.path, e.info.Name()))
srv := s.reloadConfig.Services[e.service]
if srv.service != nil {
s := *srv.service
err := s.Server().Reset()
if err != nil {
fmt.Println(err)
}
} else {
s.watcher.mu.Lock()
delete(s.watcher.watcherConfigs, e.service)
s.watcher.mu.Unlock()
}
}
}
}()
if s.reloadConfig.Interval < time.Second {
return errors.New("too fast")
}
err := s.watcher.StartPolling(s.reloadConfig.Interval)
if err != nil {
return err
}
return nil
}
func (s *Service) Stop() {
s.watcher.Stop()
}
|
