/
server.go
188 lines (175 loc) · 4.2 KB
/
server.go
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package main
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"github.com/2se/dolphin/pb"
"github.com/golang/protobuf/ptypes"
"github.com/sirupsen/logrus"
"google.golang.org/grpc"
"io/ioutil"
"net"
"net/http"
"sync"
"time"
)
type AppInfo struct {
PeerName string
AppName string
Address string
Methods []*MP
}
type MP struct {
Reversion string
Resource string
Action string
}
var (
m sync.Mutex
id int64 = 2
users = []*User{
{UserId: 1, Age: 20, UserName: "Mr Cai", Face: "face1.jpg"},
{UserId: 2, Age: 25, UserName: "Miss Cai", Face: "face2.jpg"},
}
appInfo = new(AppInfo)
v1Map = make(map[string]*route)
service = &ExampleService{}
dolphinAddr string
)
type route struct {
Resource string
Reversion string
Method func(*pb.ClientComRequest) (*pb.ServerComResponse, error)
}
func getId() int64 {
m.Lock()
defer m.Unlock()
id++
return id
}
func init() {
//总线服务地址
dolphinAddr = "http://192.168.10.169:9527"
appInfo.PeerName = ""
appInfo.AppName = "app1"
//本地服务地址
appInfo.Address = "192.168.10.169:10086"
appInfo.Methods = make([]*MP, 3)
v1Map["getUser"] = &route{Resource: "user", Reversion: "v1.0", Method: service.GetUser}
v1Map["addUser"] = &route{Resource: "user", Reversion: "v1.0", Method: service.AddUser}
v1Map["removeUser"] = &route{Resource: "user", Reversion: "v.10", Method: service.RmoveUser}
for k, v := range v1Map {
appInfo.Methods = append(appInfo.Methods, &MP{
Reversion: v.Reversion,
Resource: v.Resource,
Action: k,
})
}
}
type ExampleService struct {
}
func handle(request *pb.ClientComRequest) (*pb.ServerComResponse, error) {
m, ok := v1Map[request.MethodPath.Action]
if !ok {
return nil, errors.New("action not found")
}
return m.Method(request)
}
func (service *ExampleService) Request(ctx context.Context, req *pb.ClientComRequest) (*pb.ServerComResponse, error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
return handle(req)
}
func (service *ExampleService) AddUser(c *pb.ClientComRequest) (*pb.ServerComResponse, error) {
req := &User{}
err := ptypes.UnmarshalAny(c.Params, req)
if err != nil {
return nil, err
}
if req == nil {
return nil, errors.New("param error")
}
req.UserId = getId()
users = append(users, req)
object, err := ptypes.MarshalAny(req)
if err != nil {
return nil, err
}
return &pb.ServerComResponse{
Code: 200,
Body: object,
}, nil
}
func (service *ExampleService) RmoveUser(c *pb.ClientComRequest) (*pb.ServerComResponse, error) {
req := &GetUserRequest{}
err := ptypes.UnmarshalAny(c.Params, req)
if err != nil {
return nil, err
}
for k, v := range users {
if v.UserId == req.UserId {
if k == 0 {
users = users[1:]
} else if k == len(users) {
users = users[:k-1]
} else {
users = append(users[:k], users[k+1:]...)
}
break
}
}
return &pb.ServerComResponse{}, nil
}
func (service *ExampleService) GetUser(c *pb.ClientComRequest) (*pb.ServerComResponse, error) {
logrus.Info(c)
req := &GetUserRequest{}
err := ptypes.UnmarshalAny(c.Params, req)
if err != nil {
return nil, err
}
for _, v := range users {
if v.UserId == req.UserId {
object, err := ptypes.MarshalAny(v)
if err != nil {
return nil, err
}
return &pb.ServerComResponse{
Code: 200,
Body: object,
}, nil
}
}
return nil, errors.New("not found")
}
func main() {
go func() {
s1 := new(ExampleService)
l, err := net.Listen("tcp", appInfo.Address)
if err != nil {
panic(fmt.Errorf("tpc listen err:%v ", err))
}
defer l.Close()
svc := grpc.NewServer()
pb.RegisterAppServeServer(svc, s1)
if err := svc.Serve(l); err != nil {
panic(fmt.Errorf("failed to serve: %v", err))
}
}()
appJson, err := json.Marshal(appInfo)
if err != nil {
panic(fmt.Errorf("json marshal err:%s ", err.Error()))
}
resp, err := http.Post(dolphinAddr, "application/json; charset=utf-8", bytes.NewReader(appJson))
if err != nil {
panic(fmt.Errorf("Service registration failed err:%v ", err))
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
panic(fmt.Errorf("Service registration failed err:%v ", err))
}
fmt.Println(string(body))
select {}
}