Sockets/HttpdSocket.h

   1 /** \file HttpdSocket.h
   2 */
   3 /*
   4 Copyright (C) 2001-2007  Anders Hedstrom (grymse@alhem.net)
   5
   6 This library is made available under the terms of the GNU GPL.
   7
   8 If you would like to use this library in a closed-source application,
   9 a separate license agreement is available. For information about
  10 the closed-source license agreement for the C++ sockets library,
  11 please visit http://www.alhem.net/Sockets/license.html and/or
  12 email license@alhem.net.
  13
  14 This program is free software; you can redistribute it and/or
  15 modify it under the terms of the GNU General Public License
  16 as published by the Free Software Foundation; either version 2
  17 of the License, or (at your option) any later version.
  18
  19 This program 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
  22 GNU General Public License for more details.
  23
  24 You should have received a copy of the GNU General Public License
  25 along with this program; if not, write to the Free Software
  26 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  27 */
  28 #ifndef _SOCKETS_HttpdSocket_H
  29 #define _SOCKETS_HttpdSocket_H
  30
  31 #include "sockets-config.h"
  32 #include "HTTPSocket.h"
  33 #include "ISocketHandler.h"
  34
  35 #ifdef SOCKETS_NAMESPACE
  36 namespace SOCKETS_NAMESPACE {
  37 #endif
  38
  39
  40 class HttpdCookies;
  41 class HttpdForm;
  42 class IFile;
  43
  44 /** \defgroup webserver Webserver framework */
  45 /** Web server socket framework.
  46         \ingroup webserver */
  47 class HttpdSocket : public HTTPSocket
  48 {
  49 public:
  50         HttpdSocket(ISocketHandler& );
  51         ~HttpdSocket();
  52
  53         void OnFirst();
  54         void OnHeader(const std::string& key,const std::string& value);
  55         void OnHeaderComplete();
  56         void OnData(const char *,size_t);
  57
  58         /** This method needs to be implemented with logic to produce
  59                 a response to an incoming request. */
  60         virtual void Exec() = 0;
  61         /** Get current date in http rfc format. */
  62         const std::string& GetHttpDate() const;
  63         /** Get pointer to cookie class. */
  64         HttpdCookies *GetCookies();
  65         /** Get pointer to query string/form data class. */
  66         const HttpdForm *GetForm() const;
  67
  68         size_t ContentLength() const { return m_content_length; }
  69         const IFile *Body() const { return m_file; }
  70         int RequestId() const { return m_request_id; }
  71
  72 protected:
  73         HttpdSocket(const HttpdSocket& s) : HTTPSocket(s) {}
  74         /** Decode and send a base64-encoded string.
  75                 \param str64 Base64-encoded string
  76                 \param type Mime type of content (content-type header) */
  77         void Send64(const std::string& str64, const std::string& type);
  78         std::string datetime2httpdate(const std::string& dt);
  79         std::string GetDate();
  80         void Reset();
  81         // headers
  82         std::string m_http_cookie;
  83         std::string m_content_type;
  84         std::string m_content_length_str;
  85         std::string m_if_modified_since;
  86
  87 private:
  88         HttpdSocket& operator=(const HttpdSocket& s) { return *this; }
  89 static  int m_request_count;
  90 static  std::string m_start;
  91         size_t m_content_length;
  92         IFile *m_file;
  93         size_t m_received;
  94         int m_request_id;
  95         std::string m_http_date;
  96         HttpdCookies *m_cookies;
  97         HttpdForm *m_form;
  98 };
  99
 100
 101 #ifdef SOCKETS_NAMESPACE
 102 }
 103 #endif
 104
 105 #endif // _SOCKETS_HttpdSocket_H
 106