httpparser.h
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1 /*
2  * Copyright (C) 2003-2005 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 
30 #ifndef TNT_HTTPPARSER_H
31 #define TNT_HTTPPARSER_H
32 
33 #include <tnt/httprequest.h>
34 #include <tnt/http.h>
35 #include <tnt/parser.h>
37 
38 namespace tnt
39 {
41  {
42  size_t _requestSize;
43 
44  protected:
45  virtual ~RequestSizeMonitor() { }
46 
47  void pre(char /* ch */) { }
48  bool post(bool ret);
49 
50  virtual void requestSizeExceeded();
51 
52  public:
54  : _requestSize(0)
55  { }
56 
57  size_t getCurrentRequestSize() const { return _requestSize; }
58  void reset() { _requestSize = 0; }
59  };
60 
62  : public tnt::Parser<HttpRequest::Parser, RequestSizeMonitor>
63  {
64  HttpRequest& _message;
65  Messageheader::Parser _headerParser;
66 
67  unsigned _httpCode;
68 
69  size_t _bodySize;
70 
71  bool state_cmd0(char ch);
72  bool state_cmd(char ch);
73  bool state_url0(char ch);
74  bool state_protocol(char ch);
75  bool state_protocol_slash1(char ch);
76  bool state_protocol_slash2(char ch);
77  bool state_protocol_host(char ch);
78  bool state_url(char ch);
79  bool state_urlesc(char ch);
80  bool state_qparam(char ch);
81  bool state_version(char ch);
82  bool state_version_major(char ch);
83  bool state_version_major_sp(char ch);
84  bool state_version_minor0(char ch);
85  bool state_version_minor(char ch);
86  bool state_end0(char ch);
87  bool state_header(char ch);
88  bool state_body(char ch);
89 
90  protected:
91  virtual void requestSizeExceeded();
92 
93  public:
95  : tnt::Parser<Parser, RequestSizeMonitor>(&Parser::state_cmd0),
96  _message(message),
97  _headerParser(message.header),
98  _httpCode(HTTP_OK)
99  { }
100 
101  void reset();
102  };
103 }
104 
105 #endif // TNT_HTTPPARSER_H
106