dgozman | a6e7009 | 2014-12-12 14:46:21 | [diff] [blame^] | 1 | // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef NET_SERVER_WEB_SOCKET_ENCODER_H_ |
| 6 | #define NET_SERVER_WEB_SOCKET_ENCODER_H_ |
| 7 | |
| 8 | #include <string> |
| 9 | |
| 10 | #include "base/basictypes.h" |
| 11 | #include "base/memory/scoped_ptr.h" |
| 12 | #include "base/strings/string_piece.h" |
| 13 | #include "net/server/web_socket.h" |
| 14 | #include "net/websockets/websocket_deflater.h" |
| 15 | #include "net/websockets/websocket_inflater.h" |
| 16 | |
| 17 | namespace net { |
| 18 | |
| 19 | class WebSocketEncoder { |
| 20 | public: |
| 21 | ~WebSocketEncoder(); |
| 22 | |
| 23 | static WebSocketEncoder* CreateServer(const std::string& request_extensions, |
| 24 | std::string* response_extensions); |
| 25 | |
| 26 | static const char kClientExtensions[]; |
| 27 | static WebSocketEncoder* CreateClient(const std::string& response_extensions); |
| 28 | |
| 29 | WebSocket::ParseResult DecodeFrame(const base::StringPiece& frame, |
| 30 | int* bytes_consumed, |
| 31 | std::string* output); |
| 32 | |
| 33 | void EncodeFrame(const std::string& frame, |
| 34 | int masking_key, |
| 35 | std::string* output); |
| 36 | |
| 37 | private: |
| 38 | explicit WebSocketEncoder(bool is_server); |
| 39 | WebSocketEncoder(bool is_server, |
| 40 | int deflate_bits, |
| 41 | int inflate_bits, |
| 42 | bool no_context_takeover); |
| 43 | |
| 44 | static void ParseExtensions(const std::string& extensions, |
| 45 | bool* deflate, |
| 46 | int* client_window_bits, |
| 47 | int* server_window_bits, |
| 48 | bool* client_no_context_takeover, |
| 49 | bool* server_no_context_takeover); |
| 50 | |
| 51 | bool Inflate(std::string* message); |
| 52 | bool Deflate(const std::string& message, std::string* output); |
| 53 | |
| 54 | scoped_ptr<WebSocketDeflater> deflater_; |
| 55 | scoped_ptr<WebSocketInflater> inflater_; |
| 56 | bool is_server_; |
| 57 | |
| 58 | DISALLOW_COPY_AND_ASSIGN(WebSocketEncoder); |
| 59 | }; |
| 60 | |
| 61 | } // namespace net |
| 62 | |
| 63 | #endif // NET_SERVER_WEB_SOCKET_ENCODER_H_ |