Removing HTTPS and SOCKS proxy server code.

webrtc/base/httpbase.h

-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-
-#ifndef WEBRTC_BASE_HTTPBASE_H__
-#define WEBRTC_BASE_HTTPBASE_H__
-
-#include "webrtc/base/httpcommon.h"
-
-namespace rtc {
-
-class StreamInterface;
-
-///////////////////////////////////////////////////////////////////////////////
-// HttpParser - Parses an HTTP stream provided via Process and end_of_input, and
-// generates events for:
-//  Structural Elements: Leader, Headers, Document Data
-//  Events: End of Headers, End of Document, Errors
-///////////////////////////////////////////////////////////////////////////////
-
-class HttpParser {
-public:
-  enum ProcessResult { PR_CONTINUE, PR_BLOCK, PR_COMPLETE };
-  HttpParser();
-  virtual ~HttpParser();
-  
-  void reset();
-  ProcessResult Process(const char* buffer, size_t len, size_t* processed,
-                        HttpError* error);
-  bool is_valid_end_of_input() const;
-  void complete(HttpError err);
-  
-  size_t GetDataRemaining() const { return data_size_; }
-
-protected:
-  ProcessResult ProcessLine(const char* line, size_t len, HttpError* error);
-
-  // HttpParser Interface
-  virtual ProcessResult ProcessLeader(const char* line, size_t len,
-                                      HttpError* error) = 0;
-  virtual ProcessResult ProcessHeader(const char* name, size_t nlen,
-                                      const char* value, size_t vlen,
-                                      HttpError* error) = 0;
-  virtual ProcessResult ProcessHeaderComplete(bool chunked, size_t& data_size,
-                                              HttpError* error) = 0;
-  virtual ProcessResult ProcessData(const char* data, size_t len, size_t& read,
-                                    HttpError* error) = 0;
-  virtual void OnComplete(HttpError err) = 0;
-  
-private:
-  enum State {
-    ST_LEADER, ST_HEADERS,
-    ST_CHUNKSIZE, ST_CHUNKTERM, ST_TRAILERS,
-    ST_DATA, ST_COMPLETE
-  } state_;
-  bool chunked_;
-  size_t data_size_;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-// IHttpNotify
-///////////////////////////////////////////////////////////////////////////////
-
-enum HttpMode { HM_NONE, HM_CONNECT, HM_RECV, HM_SEND };
-
-class IHttpNotify {
-public:
-  virtual ~IHttpNotify() {}
-  virtual HttpError onHttpHeaderComplete(bool chunked, size_t& data_size) = 0;
-  virtual void onHttpComplete(HttpMode mode, HttpError err) = 0;
-  virtual void onHttpClosed(HttpError err) = 0;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-// HttpBase - Provides a state machine for implementing HTTP-based components.
-// Attach HttpBase to a StreamInterface which represents a bidirectional HTTP
-// stream, and then call send() or recv() to initiate sending or receiving one
-// side of an HTTP transaction.  By default, HttpBase operates as an I/O pump,
-// moving data from the HTTP stream to the HttpData object and vice versa.
-// However, it can also operate in stream mode, in which case the user of the
-// stream interface drives I/O via calls to Read().
-///////////////////////////////////////////////////////////////////////////////
-
-class HttpBase
-: private HttpParser,
-  public sigslot::has_slots<>
-{
-public:
-  HttpBase();
-  ~HttpBase() override;
-
-  void notify(IHttpNotify* notify) { notify_ = notify; }
-  bool attach(StreamInterface* stream);
-  StreamInterface* stream() { return http_stream_; }
-  StreamInterface* detach();
-  bool isConnected() const;
-
-  void send(HttpData* data);
-  void recv(HttpData* data);
-  void abort(HttpError err);
-
-  HttpMode mode() const { return mode_; }
-
-  void set_ignore_data(bool ignore) { ignore_data_ = ignore; }
-  bool ignore_data() const { return ignore_data_; }
-
-  // Obtaining this stream puts HttpBase into stream mode until the stream
-  // is closed.  HttpBase can only expose one open stream interface at a time.
-  // Further calls will return null.
-  StreamInterface* GetDocumentStream();
-
-protected:
-  // Do cleanup when the http stream closes (error may be 0 for a clean
-  // shutdown), and return the error code to signal.
-  HttpError HandleStreamClose(int error);
-
-  // DoReceiveLoop acts as a data pump, pulling data from the http stream,
-  // pushing it through the HttpParser, and then populating the HttpData object
-  // based on the callbacks from the parser.  One of the most interesting
-  // callbacks is ProcessData, which provides the actual http document body.
-  // This data is then written to the HttpData::document.  As a result, data
-  // flows from the network to the document, with some incidental protocol
-  // parsing in between.
-  // Ideally, we would pass in the document* to DoReceiveLoop, to more easily
-  // support GetDocumentStream().  However, since the HttpParser is callback
-  // driven, we are forced to store the pointer somewhere until the callback
-  // is triggered.
-  // Returns true if the received document has finished, and
-  // HttpParser::complete should be called.
-  bool DoReceiveLoop(HttpError* err);
-
-  void read_and_process_data();
-  void flush_data();
-  bool queue_headers();
-  void do_complete(HttpError err = HE_NONE);
-
-  void OnHttpStreamEvent(StreamInterface* stream, int events, int error);
-  void OnDocumentEvent(StreamInterface* stream, int events, int error);
-
-  // HttpParser Interface
-  ProcessResult ProcessLeader(const char* line,
-                              size_t len,
-                              HttpError* error) override;
-  ProcessResult ProcessHeader(const char* name,
-                              size_t nlen,
-                              const char* value,
-                              size_t vlen,
-                              HttpError* error) override;
-  ProcessResult ProcessHeaderComplete(bool chunked,
-                                      size_t& data_size,
-                                      HttpError* error) override;
-  ProcessResult ProcessData(const char* data,
-                            size_t len,
-                            size_t& read,
-                            HttpError* error) override;
-  void OnComplete(HttpError err) override;
-
-private:
-  class DocumentStream;
-  friend class DocumentStream;
-
-  enum { kBufferSize = 32 * 1024 };
-
-  HttpMode mode_;
-  HttpData* data_;
-  IHttpNotify* notify_;
-  StreamInterface* http_stream_;
-  DocumentStream* doc_stream_;
-  char buffer_[kBufferSize];
-  size_t len_;
-
-  bool ignore_data_, chunk_data_;
-  HttpData::const_iterator header_;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-} // namespace rtc
-
-#endif // WEBRTC_BASE_HTTPBASE_H__