86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
package service
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import (
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"common/discover"
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"common/log"
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"common/utils"
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"context"
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"fmt"
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"google.golang.org/grpc"
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"google.golang.org/grpc/keepalive"
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"net"
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"sync"
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"time"
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)
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type IService interface {
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Init(addr string, port int32)
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Close()
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}
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type Base struct {
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Target string
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SID int64
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Serve *grpc.Server
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EtcdTTL int64
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OnInit func(serve *grpc.Server)
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OnClose func()
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wg *sync.WaitGroup
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}
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func (s *Base) Init(addr string, port int32) {
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s.wg = &sync.WaitGroup{}
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s.wg.Add(1)
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s.SID = utils.SnowflakeInstance().Generate().Int64()
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go func() {
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defer s.wg.Done()
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defer s.OnClose()
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defer discover.UnRegisterGrpcServer(s.SID)
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// 监听端口
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lis, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
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if err != nil {
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log.Errorf("%v ListenPort err: %v", s.Target, err)
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return
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}
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s.Serve = grpc.NewServer(
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grpc.UnaryInterceptor(
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func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
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defer func() {
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if r := recover(); r != nil {
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log.Errorf("server Panic: %v", r)
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}
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}()
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resp, err = handler(ctx, req)
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return
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},
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),
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grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
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MinTime: 20 * time.Second,
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PermitWithoutStream: true,
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}),
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)
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s.OnInit(s.Serve)
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// 服务注册
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if err = discover.RegisterGrpcServer(s.Target, s.SID, fmt.Sprintf("%v:%d", addr, port), s.EtcdTTL); err != nil {
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log.Errorf("%v RegisterGrpcServer err: %v", s.Target, err)
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return
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}
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if err = s.Serve.Serve(lis); err != nil {
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log.Errorf("%v Serve err: %v", s.Target, err)
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return
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}
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log.Infof("%v server stop.", s.Target)
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}()
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}
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func (s *Base) Close() {
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if s.Serve != nil {
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s.Serve.Stop()
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s.wg.Wait()
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}
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}
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