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| 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_ | |
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