/
websocket.go
68 lines (62 loc) · 1.44 KB
/
websocket.go
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package main
import (
"fmt"
"log"
"net/http"
"strconv"
"sync"
"time"
"github.com/gin-gonic/gin"
"github.com/golang/protobuf/proto"
"github.com/gorilla/websocket"
pb "github.com/mineralres/protos/src/go/goshare"
"google.golang.org/grpc"
)
type wsFront struct {
grpcConn *grpc.ClientConn
grpcEndPoint string
connLock sync.RWMutex
port int
}
func makeWsFront(c config) *wsFront {
var front wsFront
front.grpcEndPoint = fmt.Sprintf("localhost:%d", c.Port)
front.port = c.Port
return &front
}
// 因为grpc-gateway对stream 的实现不是特别成熟,所以此处先用websocket完成stream方式的推送
func (front *wsFront) run() {
r := gin.New()
r.GET("/ws/uploadTick", front.uploadTick)
s := &http.Server{
Addr: ":" + strconv.Itoa(front.port),
Handler: r,
}
s.SetKeepAlivesEnabled(false)
log.Printf("websocket listen on [%d] ", front.port)
s.ListenAndServe()
}
// 推送tick到自建数据库
func (front *wsFront) uploadTick(c *gin.Context) {
conn, err := wsupgrader.Upgrade(c.Writer, c.Request, nil)
if err != nil {
return
}
for {
conn.SetReadDeadline(time.Now().Add(15 * time.Second))
messageType, p, err := conn.ReadMessage()
if err != nil {
log.Println("wsUploadTick exit", err)
break
} else {
if messageType == websocket.BinaryMessage {
var mds pb.MarketDataSnapshot
if err := proto.Unmarshal(p, &mds); err == nil {
if mds.Symbol == "" {
continue
}
}
}
}
}
}