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main.go
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main.go
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package main
import (
"context"
"database/sql"
"log"
"net"
"net/http"
"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
_ "github.com/lib/pq"
"github.com/mahmoud24598salah/MSM_Bank/api"
db "github.com/mahmoud24598salah/MSM_Bank/db/sqlc"
"github.com/mahmoud24598salah/MSM_Bank/gapi"
"github.com/mahmoud24598salah/MSM_Bank/pb"
"github.com/mahmoud24598salah/MSM_Bank/util"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
)
func main() {
config, err := util.LoadConfig(".")
if err != nil {
log.Fatal("Can not read the config file", err)
}
conn, err := sql.Open(config.DBDriver, config.DBSource)
if err != nil {
log.Fatal("can not connect to database", err)
}
store := db.NewStore(conn)
go runGatewayServer(config,store)
runGrpcServer(config,store)
}
func runGrpcServer(config util.Config, store db.Store){
server,err := gapi.Newserver(config,store)
if err != nil{
log.Fatal("Cannot create gRPC server", err)
}
grpcServer := grpc.NewServer()
pb.RegisterMSMBankServer(grpcServer,server)
reflection.Register(grpcServer)
listener, err := net.Listen("tcp",config.GRPCSreverAddress)
if err != nil{
log.Fatal("can not create listener: ",err)
}
log.Printf("start gRPC server at %s",listener.Addr().String())
err = grpcServer.Serve(listener)
if err != nil{
log.Fatal("can not start gRPC server", err)
}
}
func runGatewayServer(config util.Config, store db.Store){
server,err := gapi.Newserver(config,store)
if err != nil{
log.Fatal("Cannot create gRPC server", err)
}
grpcmux := runtime.NewServeMux()
ctx,cancel := context.WithCancel(context.Background())
defer cancel()
err = pb.RegisterMSMBankHandlerServer(ctx,grpcmux,server)
if err != nil{
log.Fatal("can not register handler server ")
}
mux :=http.NewServeMux()
mux.Handle("/",grpcmux)
listener, err := net.Listen("tcp",config.HTTPSreverAddress)
if err != nil{
log.Fatal("can not create listener: ",err)
}
log.Printf("start http gateway server at %s",listener.Addr().String())
err = http.Serve(listener,mux)
if err != nil{
log.Fatal("can not start http gateway server", err)
}
}
func runGinServer(config util.Config, store db.Store){
server, err := api.Newserver(config, store)
if err != nil {
log.Fatal("Cannot create server", err)
}
err = server.Start(config.GRPCSreverAddress )
if err != nil {
log.Fatal("Cannot start server", err)
}
}