/
zservice.go
124 lines (103 loc) · 2.21 KB
/
zservice.go
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package gsk
import (
"context"
"os"
"os/signal"
"syscall"
"github.com/jeckbjy/gsk/apm/alog"
"github.com/jeckbjy/gsk/arpc"
)
type service struct {
context context.Context
server arpc.Server
client arpc.Client
beforeStart []Callback
afterStart []Callback
beforeStop []Callback
afterStop []Callback
router arpc.Router
name string
exitCh chan os.Signal
}
func (s *service) Name() string {
return s.name
}
func (s *service) Init(opts *Options) {
s.server = opts.Server
s.client = opts.Client
s.context = opts.Context
s.beforeStart = opts.BeforeStart
s.afterStart = opts.AfterStart
s.beforeStop = opts.BeforeStop
s.afterStop = opts.AfterStop
s.router = opts.Router
s.name = opts.Name
}
func (s *service) Start() error {
for _, fn := range s.beforeStart {
if err := fn(); err != nil {
return err
}
}
if err := s.server.Start(); err != nil {
return err
}
for _, fn := range s.afterStart {
if err := fn(); err != nil {
return err
}
}
return nil
}
func (s *service) Stop() error {
var result error
for _, fn := range s.beforeStop {
if err := fn(); err != nil {
result = err
}
}
if err := s.server.Stop(); err != nil {
result = err
}
for _, fn := range s.afterStop {
if err := fn(); err != nil {
result = err
}
}
return result
}
func (s *service) Run() error {
if err := s.Start(); err != nil {
alog.Error(err)
return err
}
// wait
ch := make(chan os.Signal, 1)
s.exitCh = ch
signal.Notify(ch, syscall.SIGTERM, syscall.SIGINT, syscall.SIGQUIT)
select {
// wait on kill signal
case <-ch:
// wait on context cancel
case <-s.context.Done():
}
if err := s.Stop(); err != nil {
alog.Error(err)
return err
}
return nil
}
func (s *service) Exit() {
if s.exitCh != nil {
s.exitCh <- syscall.SIGQUIT
}
}
func (s *service) Register(callback interface{}, opts ...arpc.MiscOption) error {
return s.router.Register(callback, opts...)
}
func (s *service) Send(service string, req interface{}, opts ...arpc.MiscOption) error {
return s.client.Send(service, req, opts...)
}
func (s *service) Call(service string, req interface{}, rsp interface{}, opts ...arpc.MiscOption) error {
return s.client.Call(service, req, rsp, opts...)
}