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main.go
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main.go
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package main
import (
"context"
"fmt"
"net"
"os"
"os/signal"
"syscall"
"time"
"net/http"
_ "net/http/pprof"
"github.com/jasonsoft/log"
"github.com/jasonsoft/napnap"
"github.com/jasonsoft/wakanda/internal/config"
gatewayGRPC "github.com/jasonsoft/wakanda/pkg/gateway/delivery/grpc"
gatewayProto "github.com/jasonsoft/wakanda/pkg/gateway/proto"
"google.golang.org/grpc"
)
func main() {
defer func() {
if r := recover(); r != nil {
// unknown error
err, ok := r.(error)
if !ok {
err = fmt.Errorf("unknown error: %v", err)
}
log.StackTrace().Error(err)
}
}()
config := config.New("app.yml")
initialize(config)
// start grpc server
lis, err := net.Listen("tcp", config.Gateway.GRPCBind)
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
gatewayGrpcServer := grpc.NewServer()
gatewayServer := gatewayGRPC.NewGatewayServer(_manager)
gatewayProto.RegisterGatewayServiceServer(gatewayGrpcServer, gatewayServer)
go func() {
log.Info("gateway: grpc service started")
if err = gatewayGrpcServer.Serve(lis); err != nil {
log.Fatalf("gateway: failed to start gateway grpc server: %v", err)
}
}()
// start job grpc server
jobTcpListen, err := net.Listen("tcp", config.Gateway.JobGRPCBind)
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
jobGrpcServer := grpc.NewServer()
jobServer := gatewayGRPC.NewJobServer(_manager)
gatewayProto.RegisterJobServiceServer(jobGrpcServer, jobServer)
go func() {
log.Info("gateway: job grpc service started")
if err = jobGrpcServer.Serve(jobTcpListen); err != nil {
log.Fatalf("gateway: failed to start job grpc server: %v", err)
}
}()
// start http service
nap := napWithMiddlewares(config)
httpEngine := napnap.NewHttpEngine(config.Gateway.HTTPBind)
go func() {
log.Info("gateway: gateway service started")
err := nap.Run(httpEngine)
if err != nil {
log.Error(err)
}
}()
go func() {
http.ListenAndServe(":18000", nil)
}()
stopChan := make(chan os.Signal, 1)
signal.Notify(stopChan, syscall.SIGINT, syscall.SIGKILL, syscall.SIGHUP, syscall.SIGTERM)
<-stopChan
log.Info("gateway: shutting down server...")
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
if err := httpEngine.Shutdown(ctx); err != nil {
log.Errorf("gateway: hanlder shutdown error: %v", err)
} else {
log.Info("gateway: gracefully stopped")
}
}