| 154 | } |
| 155 | |
| 156 | func (nc *netConn) read(p []byte) (int, error) { |
| 157 | if nc.readExpired.Load() == 1 { |
| 158 | return 0, fmt.Errorf("failed to read: %w", context.DeadlineExceeded) |
| 159 | } |
| 160 | |
| 161 | if nc.readEOFed { |
| 162 | return 0, io.EOF |
| 163 | } |
| 164 | |
| 165 | if nc.reader == nil { |
| 166 | typ, r, err := nc.c.Reader(nc.readCtx) |
| 167 | if err != nil { |
| 168 | switch CloseStatus(err) { |
| 169 | case StatusNormalClosure, StatusGoingAway: |
| 170 | nc.readEOFed = true |
| 171 | return 0, io.EOF |
| 172 | } |
| 173 | return 0, err |
| 174 | } |
| 175 | if typ != nc.msgType { |
| 176 | err := fmt.Errorf("unexpected frame type read (expected %v): %v", nc.msgType, typ) |
| 177 | nc.c.Close(StatusUnsupportedData, err.Error()) |
| 178 | return 0, err |
| 179 | } |
| 180 | nc.reader = r |
| 181 | } |
| 182 | |
| 183 | n, err := nc.reader.Read(p) |
| 184 | if err == io.EOF { |
| 185 | nc.reader = nil |
| 186 | err = nil |
| 187 | } |
| 188 | return n, err |
| 189 | } |
| 190 | |
| 191 | type websocketAddr struct{} |
| 192 | |