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srv.go
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srv.go
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package micro
import (
"context"
"fmt"
"net"
"net/http"
"github.com/gzjjyz/logger"
"github.com/gzjjyz/srvlib/utils"
"google.golang.org/grpc"
)
type Srv struct {
name string
ipVar string
port int
pprofPort int
registerCustomServiceServer func(*grpc.Server)
regEtcd bool
}
func NewSrv(name string, ipVar string, port int, opts ...SrvOption) *Srv {
s := &Srv{name: name, ipVar: ipVar, port: port}
for _, opt := range opts {
opt(s)
}
return s
}
type SrvOption func(srv *Srv)
func WithSrvRegisterServerFunc(f func(*grpc.Server)) SrvOption {
return func(srv *Srv) {
srv.registerCustomServiceServer = f
}
}
func WithSrvPprofPort(pprofPort int) SrvOption {
return func(srv *Srv) {
srv.pprofPort = pprofPort
}
}
func WithSrvRegEtcd() SrvOption {
return func(srv *Srv) {
srv.regEtcd = true
}
}
func (srv *Srv) Serve(ctx context.Context) error {
// pprof 监控
if srv.pprofPort > 0 {
utils.ProtectGo(func() {
err := http.ListenAndServe(fmt.Sprintf("127.0.0.1:%d", srv.pprofPort), nil)
if err != nil {
logger.LogError(err.Error())
}
})
}
ip, err := utils.EvalVarToParseIp(srv.ipVar)
if err != nil {
logger.LogError(err.Error())
return err
}
grpcSrv := grpc.NewServer()
if srv.registerCustomServiceServer != nil {
srv.registerCustomServiceServer(grpcSrv)
}
listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", ip, srv.port))
if err != nil {
return err
}
// 服务注册 -> etcd
if srv.regEtcd {
err = RegisterToEtcd(ctx, fmt.Sprintf("%s:%d", ip, srv.port), srv.name)
if err != nil {
logger.LogError("err:%v", err)
return err
}
}
// 启动
err = grpcSrv.Serve(listener)
if err != nil {
return err
}
if err != nil {
logger.LogError(err.Error())
return err
}
return nil
}