goc/pkg/server/common.go
2021-06-21 15:59:59 +08:00

78 lines
1.1 KiB
Go

package server
import (
"io"
"time"
"github.com/gorilla/websocket"
)
const (
PongWait = 10 * time.Second
PingWait = 5 * time.Second
)
type ProfileReq string
type ProfileRes string
type ReadWriteCloser struct {
ws *websocket.Conn
r io.Reader
w io.WriteCloser
}
func (rwc *ReadWriteCloser) Read(p []byte) (n int, err error) {
if rwc.r == nil {
var _ int
_, rwc.r, err = rwc.ws.NextReader()
if err != nil {
return 0, err
}
}
for n = 0; n < len(p); {
var m int
m, err = rwc.r.Read(p[n:])
n += m
if err == io.EOF {
// done
rwc.r = nil
break
}
// ???
if err != nil {
break
}
}
return
}
func (rwc *ReadWriteCloser) Write(p []byte) (n int, err error) {
if rwc.w == nil {
rwc.w, err = rwc.ws.NextWriter(websocket.TextMessage)
if err != nil {
return 0, err
}
}
for n = 0; n < len(p); {
var m int
m, err = rwc.w.Write(p)
n += m
if err != nil {
break
}
}
if err != nil || n == len(p) {
err = rwc.Close()
}
return
}
func (rwc *ReadWriteCloser) Close() (err error) {
if rwc.w != nil {
err = rwc.w.Close()
rwc.w = nil
}
return err
}