100 lines
1.7 KiB
Go
100 lines
1.7 KiB
Go
package liveshare
|
|
|
|
import (
|
|
"context"
|
|
"crypto/tls"
|
|
"io"
|
|
"net"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/gorilla/websocket"
|
|
)
|
|
|
|
type socket struct {
|
|
addr string
|
|
tlsConfig *tls.Config
|
|
|
|
conn *websocket.Conn
|
|
reader io.Reader
|
|
}
|
|
|
|
func newSocket(uri string, tlsConfig *tls.Config) *socket {
|
|
return &socket{addr: uri, tlsConfig: tlsConfig}
|
|
}
|
|
|
|
func (s *socket) connect(ctx context.Context) error {
|
|
dialer := websocket.Dialer{
|
|
Proxy: http.ProxyFromEnvironment,
|
|
HandshakeTimeout: 45 * time.Second,
|
|
TLSClientConfig: s.tlsConfig,
|
|
}
|
|
ws, _, err := dialer.Dial(s.addr, nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
s.conn = ws
|
|
return nil
|
|
}
|
|
|
|
func (s *socket) Read(b []byte) (int, error) {
|
|
if s.reader == nil {
|
|
_, reader, err := s.conn.NextReader()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
s.reader = reader
|
|
}
|
|
|
|
bytesRead, err := s.reader.Read(b)
|
|
if err != nil {
|
|
s.reader = nil
|
|
|
|
if err == io.EOF {
|
|
err = nil
|
|
}
|
|
}
|
|
|
|
return bytesRead, err
|
|
}
|
|
|
|
func (s *socket) Write(b []byte) (int, error) {
|
|
nextWriter, err := s.conn.NextWriter(websocket.BinaryMessage)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
bytesWritten, err := nextWriter.Write(b)
|
|
nextWriter.Close()
|
|
|
|
return bytesWritten, err
|
|
}
|
|
|
|
func (s *socket) Close() error {
|
|
return s.conn.Close()
|
|
}
|
|
|
|
func (s *socket) LocalAddr() net.Addr {
|
|
return s.conn.LocalAddr()
|
|
}
|
|
|
|
func (s *socket) RemoteAddr() net.Addr {
|
|
return s.conn.RemoteAddr()
|
|
}
|
|
|
|
func (s *socket) SetDeadline(t time.Time) error {
|
|
if err := s.SetReadDeadline(t); err != nil {
|
|
return err
|
|
}
|
|
|
|
return s.SetWriteDeadline(t)
|
|
}
|
|
|
|
func (s *socket) SetReadDeadline(t time.Time) error {
|
|
return s.conn.SetReadDeadline(t)
|
|
}
|
|
|
|
func (s *socket) SetWriteDeadline(t time.Time) error {
|
|
return s.conn.SetWriteDeadline(t)
|
|
}
|