include/metaproxy/util.hpp

   1 /* This file is part of Metaproxy.
   2    Copyright (C) 2005-2013 Index Data
   3
   4 Metaproxy is free software; you can redistribute it and/or modify it under
   5 the terms of the GNU General Public License as published by the Free
   6 Software Foundation; either version 2, or (at your option) any later
   7 version.
   8
   9 Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
  10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17 */
  18
  19 #ifndef YP2_UTIL_HPP
  20 #define YP2_UTIL_HPP
  21
  22 #include "package.hpp"
  23
  24 #include <yaz/z-core.h>
  25
  26 #include <boost/utility.hpp>
  27 #include <boost/scoped_ptr.hpp>
  28
  29 #include <list>
  30 #include <vector>
  31 #include <sstream>
  32 #include <string>
  33
  34
  35 namespace metaproxy_1 {
  36     namespace util  {
  37
  38
  39         template<typename T>
  40         std::string to_string(const T& t)
  41         {
  42             std::ostringstream o;
  43             if(o << t)
  44                 return o.str();
  45             return std::string();
  46         };
  47
  48         const char *
  49         record_composition_to_esn(Z_RecordComposition *comp);
  50
  51         std::string http_header_value(const Z_HTTP_Header* header,
  52                                                const std::string name);
  53
  54         std::string http_headers_debug(const Z_HTTP_Request &http_req);
  55
  56         void http_response(metaproxy_1::Package &package,
  57                            const std::string &content,
  58                            int http_code = 200);
  59
  60
  61         int memcmp2(const void *buf1, int len1, const void *buf2, int len2);
  62
  63         std::string database_name_normalize(const std::string &s);
  64
  65         bool pqf(ODR odr, Z_APDU *apdu, const std::string &q);
  66
  67         std::string zQueryToString(Z_Query *query);
  68
  69         Z_ReferenceId **get_referenceId(const Z_APDU *apdu);
  70
  71         void transfer_referenceId(ODR odr, const Z_APDU *src, Z_APDU *dst);
  72
  73         Z_APDU *create_APDU(ODR odr, int type, const Z_APDU *in_apdu);
  74
  75         bool set_databases_from_zurl(ODR odr, std::string zurl,
  76                                      int *db_num, char ***db_strings);
  77
  78         void split_zurl(std::string zurl, std::string &host,
  79                         std::list<std::string> &db);
  80
  81         void get_vhost_otherinfo(Z_OtherInformation *otherInformation,
  82                                  std::list<std::string> &vhosts);
  83
  84         int remove_vhost_otherinfo(Z_OtherInformation **otherInformation,
  85                                    std::list<std::string> &vhosts);
  86
  87         void set_vhost_otherinfo(Z_OtherInformation **otherInformation,
  88                                  ODR odr,
  89                                  const std::string vhost,
  90                                  const int cat);
  91
  92         void set_vhost_otherinfo(Z_OtherInformation **otherInformation,
  93                                  ODR odr,
  94                                  const std::list<std::string> &vhosts);
  95
  96         int get_or_remove_vhost_otherinfo(
  97             Z_OtherInformation **otherInformation,
  98             bool remove_flag,
  99             std::list<std::string> &vhosts);
 100
 101         void get_init_diagnostics(Z_InitResponse *res,
 102                                   int &error_code, std::string &addinfo);
 103
 104         void get_default_diag(Z_DefaultDiagFormat *r,
 105                               int &error_code, std::string &addinfo);
 106
 107         Z_RecordComposition *piggyback_to_RecordComposition(
 108             ODR odr, Odr_int result_set_size, Z_SearchRequest *sreq);
 109
 110         void piggyback(int smallSetUpperBound,
 111                        int largeSetLowerBound,
 112                        int mediumSetPresentNumber,
 113                        int result_set_size,
 114                        int &number_to_present);
 115
 116         void piggyback_sr(Z_SearchRequest *sreq,
 117                           Odr_int result_set_size,
 118                           Odr_int &number_to_present,
 119                           const char **element_set_name);
 120
 121         void piggyback(Odr_int smallSetUpperBound,
 122                        Odr_int largeSetLowerBound,
 123                        Odr_int mediumSetPresentNumber,
 124                        const char *smallSetElementSetNames,
 125                        const char *mediumSetElementSetNames,
 126                        Odr_int result_set_size,
 127                        Odr_int &number_to_present,
 128                        const char **element_set_name);
 129
 130         std::string uri_encode(std::string s);
 131         std::string uri_decode(std::string s);
 132     };
 133
 134     class odr : public boost::noncopyable {
 135     public:
 136         odr(int type);
 137         odr();
 138         ~odr();
 139         operator ODR() const;
 140         Z_APDU *create_close(const Z_APDU *in_apdu,
 141                              int reason, const char *addinfo);
 142         Z_APDU *create_initResponse(const Z_APDU *in_apdu,
 143                                     int error, const char *addinfo);
 144         Z_APDU *create_searchResponse(const Z_APDU *in_apdu,
 145                                       int error, const char *addinfo);
 146         Z_APDU *create_presentResponse(const Z_APDU *in_apdu,
 147                                        int error, const char *addinfo);
 148         Z_APDU *create_scanResponse(const Z_APDU *in_apdu,
 149                                     int error, const char *addinfo);
 150         Z_APDU *create_APDU(int type, const Z_APDU *in_apdu);
 151
 152         Z_GDU *create_HTTP_Response(metaproxy_1::Session &session,
 153                                     Z_HTTP_Request *req, int code);
 154     private:
 155         ODR m_odr;
 156     };
 157
 158     class wrbuf : public boost::noncopyable
 159     {
 160     public:
 161         wrbuf();
 162         ~wrbuf();
 163         operator WRBUF() const;
 164         size_t len();
 165         const char *buf();
 166     private:
 167         WRBUF m_wrbuf;
 168     };
 169
 170     class PlainFile {
 171         class Rep;
 172         boost::scoped_ptr<Rep> m_p;
 173     public:
 174         PlainFile();
 175         ~PlainFile();
 176         bool open(const std::string &fname);
 177         bool getline(std::vector<std::string> &args);
 178     };
 179 }
 180 #endif
 181 /*
 182  * Local variables:
 183  * c-basic-offset: 4
 184  * c-file-style: "Stroustrup"
 185  * indent-tabs-mode: nil
 186  * End:
 187  * vim: shiftwidth=4 tabstop=8 expandtab
 188  */
 189