96 lines
2 KiB
Go
96 lines
2 KiB
Go
// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package conn
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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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)
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func WrapWebSocketConn(c *websocket.Conn) *WebSocketConn {
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return &WebSocketConn{c: c}
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}
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type WebSocketConn struct {
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r io.Reader
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c *websocket.Conn
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}
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func (c *WebSocketConn) Write(p []byte) (int, error) {
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err := c.c.WriteMessage(websocket.BinaryMessage, p)
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if err != nil {
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return 0, err
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}
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return len(p), nil
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}
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func (c *WebSocketConn) Read(p []byte) (int, error) {
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for {
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if c.r == nil {
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// Advance to next message.
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var err error
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_, c.r, err = c.c.NextReader()
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if err != nil {
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return 0, err
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}
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}
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n, err := c.r.Read(p)
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if err == io.EOF {
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// At end of message.
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c.r = nil
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if n > 0 {
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return n, nil
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} else {
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// No data read, continue to next message.
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continue
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}
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}
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return n, err
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}
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}
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func (c *WebSocketConn) Close() error {
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return c.c.Close()
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}
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func (c *WebSocketConn) LocalAddr() net.Addr {
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return c.c.LocalAddr()
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}
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func (c *WebSocketConn) RemoteAddr() net.Addr {
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return c.c.RemoteAddr()
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}
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func (c *WebSocketConn) 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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if err := c.SetWriteDeadline(t); err != nil {
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return err
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}
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return nil
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}
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func (c *WebSocketConn) SetReadDeadline(t time.Time) error {
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return c.c.SetReadDeadline(t)
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}
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func (c *WebSocketConn) SetWriteDeadline(t time.Time) error {
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return c.c.SetWriteDeadline(t)
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}
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