mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-06-29 02:35:23 +00:00
104 lines
2.1 KiB
Go
104 lines
2.1 KiB
Go
package websocket
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import (
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"io"
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"net"
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"time"
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"github.com/gorilla/websocket"
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"v2ray.com/core/common/buf"
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"v2ray.com/core/common/errors"
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)
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// connection is a wrapper for net.Conn over WebSocket connection.
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type connection struct {
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wsc *websocket.Conn
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reader io.Reader
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writeBuffer []byte
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}
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// Read implements net.Conn.Read()
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func (c *connection) Read(b []byte) (int, error) {
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for {
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reader, err := c.getReader()
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if err != nil {
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return 0, err
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}
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nBytes, err := reader.Read(b)
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if errors.Cause(err) == io.EOF {
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c.reader = nil
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continue
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}
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return nBytes, err
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}
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}
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func (c *connection) getReader() (io.Reader, error) {
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if c.reader != nil {
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return c.reader, nil
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}
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_, reader, err := c.wsc.NextReader()
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if err != nil {
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return nil, err
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}
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c.reader = reader
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return reader, nil
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}
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func (c *connection) Write(b []byte) (int, error) {
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if err := c.wsc.WriteMessage(websocket.BinaryMessage, b); err != nil {
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return 0, err
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}
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return len(b), nil
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}
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func (c *connection) WriteMultiBuffer(mb buf.MultiBuffer) (int, error) {
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defer mb.Release()
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if c.writeBuffer == nil {
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c.writeBuffer = make([]byte, 4096)
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}
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totalBytes := 0
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for !mb.IsEmpty() {
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nBytes, err := mb.Read(c.writeBuffer)
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if err != nil {
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return totalBytes, err
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}
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totalBytes += nBytes
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if _, err := c.Write(c.writeBuffer[:nBytes]); err != nil {
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return totalBytes, err
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}
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}
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return totalBytes, nil
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}
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func (c *connection) Close() error {
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c.wsc.WriteControl(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""), time.Now().Add(time.Second*5))
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return c.wsc.Close()
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}
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func (c *connection) LocalAddr() net.Addr {
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return c.wsc.LocalAddr()
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}
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func (c *connection) RemoteAddr() net.Addr {
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return c.wsc.RemoteAddr()
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}
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func (c *connection) SetDeadline(t time.Time) error {
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if err := c.SetReadDeadline(t); err != nil {
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return err
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}
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return c.SetWriteDeadline(t)
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}
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func (c *connection) SetReadDeadline(t time.Time) error {
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return c.wsc.SetReadDeadline(t)
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}
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func (c *connection) SetWriteDeadline(t time.Time) error {
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return c.wsc.SetWriteDeadline(t)
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}
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