126 lines
2.7 KiB
Go
126 lines
2.7 KiB
Go
package tpl
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var NewFile = `
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// Code generated by protoc-gen-slc. DO NOT EDIT.
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package server
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import (
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"context"
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"net/http"
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"os"
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"strings"
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"time"
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{import}
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"git.apinb.com/bsm-sdk/core/vars"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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"google.golang.org/grpc/reflection"
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"google.golang.org/protobuf/proto"
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gwRuntime "github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
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)
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type Server struct {
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Grpc *grpc.Server
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Ctx context.Context
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Mux *gwRuntime.ServeMux
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grpcConns map[string]*grpc.ClientConn // 连接池
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}
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func New(addr string) *Server {
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srv := &Server{
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Ctx: context.Background(),
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Grpc: grpc.NewServer(),
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Mux: gwRuntime.NewServeMux(gwRuntime.WithForwardResponseRewriter(responseEnvelope)),
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grpcConns: make(map[string]*grpc.ClientConn),
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}
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// register service to grpc.Server
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{register}
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reflection.Register(srv.Grpc)
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// 连接池: 只创建一次连接并复用
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conn, ok := srv.grpcConns[addr]
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if !ok {
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var err error
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conn, err = grpc.NewClient(addr, grpc.WithTransportCredentials(insecure.NewCredentials()))
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if err != nil {
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panic("failed to dial grpc server: " + err.Error())
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}
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srv.grpcConns[addr] = conn
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}
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// 将服务注册到Gateway
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{gw}
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// Register services swagger
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srv.RegisterSwagger()
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return srv
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}
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// RegisterSwagger 注册swagger
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func (s *Server) RegisterSwagger() {
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srvKey := strings.ToLower(vars.ServiceKey)
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s.Mux.HandlePath("GET", "/"+srvKey+".swagger.json", func(w http.ResponseWriter, r *http.Request, pathParams map[string]string) {
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w.Header().Set("Content-Type", "application/json")
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bytes, err := os.ReadFile("./swagger/" + srvKey + ".swagger.json")
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if err != nil {
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w.WriteHeader(http.StatusNotFound)
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w.Write([]byte(err.Error()))
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return
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}
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w.Write(bytes)
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return
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})
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}
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// response envelope
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func responseEnvelope(_ context.Context, response proto.Message) (interface{}, error) {
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name := string(response.ProtoReflect().Descriptor().Name())
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if name == "Status" || name == "Error" || name == "StatusReply" {
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return response, nil
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}
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return map[string]any{
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"code": 0,
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"message": vars.OK,
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"details": response,
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"timeseq": time.Now().Unix(),
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}, nil
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}
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`
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var Server = `
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// Code generated by protoc-gen-slc. DO NOT EDIT.
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package server
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import (
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"context"
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{import}
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)
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type {service}Server struct {
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pb.Unimplemented{service}Server
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}
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func New{service}Server() *{service}Server {
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return &{service}Server{}
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}
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{method}
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`
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var Method = `
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{comment}
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func (s *{service}Server) {func}(ctx context.Context,in *pb.{input}) (*pb.{output},error) {
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return {serviceLower}.{func}(ctx, in)
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}
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`
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var Handler = `
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if err := pb.Register{service}Handler(srv.Ctx, srv.Mux, conn); err != nil {
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panic("Failed to register {service} handler: " + err.Error())
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}
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`
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