/
server.go
115 lines (101 loc) · 2.61 KB
/
server.go
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package server
import (
"fmt"
"io"
"net"
"net/http"
"time"
"github.com/frouioui/tagenal/api/articles/pb"
otgrpc "github.com/opentracing-contrib/go-grpc"
"github.com/opentracing/opentracing-go"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
)
const (
grpcPort = 9090
httpPort = 8080
)
var (
ready bool
)
// ArticleServerAPI mainly servers as a configuration holder.
// It contains two servers: http.Server and grpc.Server,
// both servers can be automatically initialized using the
// NewArticleServerAPI package's method.
type ArticleServerAPI struct {
ServerHTTP *http.Server
ServerGRPC *grpc.Server
tracingCloser io.Closer
}
func SetReady(readiness bool) {
ready = readiness
}
func (artsrv *ArticleServerAPI) setServerHTTP() (err error) {
httpservice, err := newServiceHTTP()
if err != nil {
return err
}
artsrv.ServerHTTP = &http.Server{
Addr: fmt.Sprintf(":%d", httpPort),
Handler: httpservice.getRouter(),
IdleTimeout: 10 * time.Second,
ReadTimeout: 10 * time.Second,
WriteTimeout: 10 * time.Second,
}
return nil
}
func (artsrv *ArticleServerAPI) setServerGRPC() (err error) {
grpcService, err := newServiceGRPC()
if err != nil {
return err
}
tracer := opentracing.GlobalTracer()
artsrv.ServerGRPC = grpc.NewServer(
grpc.UnaryInterceptor(otgrpc.OpenTracingServerInterceptor(tracer)),
grpc.StreamInterceptor(otgrpc.OpenTracingStreamServerInterceptor(tracer)),
)
pb.RegisterArticleServiceServer(artsrv.ServerGRPC, &grpcService)
reflection.Register(artsrv.ServerGRPC)
return nil
}
// NewArticleServerAPI will create a new ArticleServerAPI
// struct and initiate both HTTP and GRPC servers.
// Once returned, the ArticleServerAPI is ready to be used,
// both gRPC and HTTP endpoint can be started using namely:
// artsrv.RunServerGRPC() and artsrv.RunServerHTTP()
func NewArticleServerAPI() (artsrv ArticleServerAPI, err error) {
artsrv.tracingCloser, err = newTracer()
if err != nil {
return artsrv, err
}
err = artsrv.setServerHTTP()
if err != nil {
return artsrv, err
}
err = artsrv.setServerGRPC()
if err != nil {
return artsrv, err
}
initRedisClusterClient()
return artsrv, nil
}
// RunServerHTTP starts the http service.
func (artsrv *ArticleServerAPI) RunServerHTTP() (err error) {
err = artsrv.ServerHTTP.ListenAndServe()
if err != nil {
return err
}
return nil
}
// RunServerGRPC starts the grpc service.
func (artsrv *ArticleServerAPI) RunServerGRPC() (err error) {
lis, err := net.Listen("tcp", fmt.Sprintf(":%d", grpcPort))
if err != nil {
return err
}
err = artsrv.ServerGRPC.Serve(lis)
if err != nil {
return err
}
return nil
}