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      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_
     73