net/http/http_basic_state.h

   1 // Copyright 2013 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 // A class that stores the common state between HttpBasicStream and
   6 // WebSocketBasicHandshakeStream.
   7
   8 #ifndef NET_HTTP_HTTP_BASIC_STATE_H_
   9 #define NET_HTTP_HTTP_BASIC_STATE_H_
  10
  11 #include <string>
  12
  13 #include "base/basictypes.h"
  14 #include "base/memory/ref_counted.h"
  15 #include "base/memory/scoped_ptr.h"
  16 #include "net/base/completion_callback.h"
  17 #include "net/base/net_export.h"
  18 #include "net/base/request_priority.h"
  19
  20 namespace net {
  21
  22 class BoundNetLog;
  23 class ClientSocketHandle;
  24 class GrowableIOBuffer;
  25 class HttpStreamParser;
  26 struct HttpRequestInfo;
  27
  28 class NET_EXPORT_PRIVATE HttpBasicState {
  29  public:
  30   HttpBasicState(ClientSocketHandle* connection, bool using_proxy);
  31   ~HttpBasicState();
  32
  33   // Initialize() must be called before using any of the other methods.
  34   int Initialize(const HttpRequestInfo* request_info,
  35                  RequestPriority priority,
  36                  const BoundNetLog& net_log,
  37                  const CompletionCallback& callback);
  38
  39   HttpStreamParser* parser() const { return parser_.get(); }
  40
  41   bool using_proxy() const { return using_proxy_; }
  42
  43   // Deletes |parser_| and sets it to NULL.
  44   void DeleteParser();
  45
  46   ClientSocketHandle* connection() const { return connection_.get(); }
  47
  48   scoped_ptr<ClientSocketHandle> ReleaseConnection();
  49
  50   scoped_refptr<GrowableIOBuffer> read_buf() const;
  51
  52   // Generates a string of the form "METHOD PATH HTTP/1.1\r\n", based on the
  53   // values of request_info_ and using_proxy_.
  54   std::string GenerateRequestLine() const;
  55
  56  private:
  57   scoped_refptr<GrowableIOBuffer> read_buf_;
  58
  59   scoped_ptr<HttpStreamParser> parser_;
  60
  61   scoped_ptr<ClientSocketHandle> connection_;
  62
  63   const bool using_proxy_;
  64
  65   const HttpRequestInfo* request_info_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(HttpBasicState);
  68 };
  69
  70 }  // namespace net
  71
  72 #endif  // NET_HTTP_HTTP_BASIC_STATE_H_