src/filter_backend_test.cpp

   1 /* $Id: filter_backend_test.cpp,v 1.4 2005-10-25 21:32:01 adam Exp $
   2    Copyright (c) 2005, Index Data.
   3
   4 %LICENSE%
   5  */
   6
   7 #include "config.hpp"
   8
   9 #include "filter.hpp"
  10 #include "router.hpp"
  11 #include "package.hpp"
  12
  13 #include <boost/thread/mutex.hpp>
  14
  15 #include "filter_backend_test.hpp"
  16
  17 #include <yaz/zgdu.h>
  18 #include <yaz/log.h>
  19 #include <yaz/otherinfo.h>
  20 #include <yaz/diagbib1.h>
  21
  22 #include <list>
  23 #include <map>
  24 #include <iostream>
  25
  26 namespace yf = yp2::filter;
  27
  28 namespace yp2 {
  29     namespace filter {
  30         class Session_info {
  31             int dummy;
  32         };
  33         class Backend_test::Rep {
  34             friend class Backend_test;
  35
  36         private:
  37             bool m_support_named_result_sets;
  38
  39             session_map<Session_info> m_sessions;
  40         };
  41     }
  42 }
  43
  44 yf::Backend_test::Backend_test() {
  45     m_p = new Backend_test::Rep;
  46     m_p->m_support_named_result_sets = false;
  47 }
  48
  49 yf::Backend_test::~Backend_test() {
  50     delete m_p;
  51 }
  52
  53 void yf::Backend_test::process(Package &package) const
  54 {
  55     Z_GDU *gdu = package.request().get();
  56
  57     if (!gdu || gdu->which != Z_GDU_Z3950)
  58         package.move();
  59     else
  60     {
  61         Z_APDU *apdu_req = gdu->u.z3950;
  62         Z_APDU *apdu_res = 0;
  63         ODR odr = odr_createmem(ODR_ENCODE);
  64
  65         if (apdu_req->which != Z_APDU_initRequest &&
  66             !m_p->m_sessions.active(package.session()))
  67         {
  68             apdu_res = zget_APDU(odr, Z_APDU_close);
  69             *apdu_res->u.close->closeReason = Z_Close_protocolError;
  70             apdu_res->u.close->diagnosticInformation =
  71                 odr_strdup(odr, "no init for filter_backend_test");
  72
  73             package.session().close();
  74         }
  75         else if (apdu_req->which == Z_APDU_initRequest)
  76         {
  77             apdu_res = zget_APDU(odr, Z_APDU_initResponse);
  78             Z_InitRequest *req = apdu_req->u.initRequest;
  79             Z_InitResponse *resp = apdu_res->u.initResponse;
  80
  81             int i;
  82             static const int masks[] = {
  83                 Z_Options_search, Z_Options_present, -1
  84             };
  85             for (i = 0; masks[i] != -1; i++)
  86                 if (ODR_MASK_GET(req->options, masks[i]))
  87                     ODR_MASK_SET(resp->options, masks[i]);
  88             if (m_p->m_support_named_result_sets)
  89             {
  90                 if (ODR_MASK_GET(req->options, Z_Options_namedResultSets))
  91                     ODR_MASK_SET(resp->options, Z_Options_namedResultSets);
  92                 else
  93                     m_p->m_support_named_result_sets = false;
  94             }
  95             static const int versions[] = {
  96                 Z_ProtocolVersion_1,
  97                 Z_ProtocolVersion_2,
  98                 Z_ProtocolVersion_3,
  99                 -1
 100             };
 101             for (i = 0; versions[i] != -1; i++)
 102                 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
 103                     ODR_MASK_SET(resp->protocolVersion, versions[i]);
 104                 else
 105                     break;
 106
 107             Session_info info;
 108             m_p->m_sessions.create(info, package.session());
 109         }
 110         else if (apdu_req->which == Z_APDU_searchRequest)
 111         {
 112             apdu_res = zget_APDU(odr, Z_APDU_searchResponse);
 113             Z_SearchRequest *req = apdu_req->u.searchRequest;
 114             Z_SearchResponse *resp = apdu_res->u.searchResponse;
 115
 116             if (!m_p->m_support_named_result_sets &&
 117                 strcmp(req->resultSetName, "default"))
 118             {
 119                 Z_Records *rec = (Z_Records *)
 120                     odr_malloc(odr, sizeof(Z_Records));
 121                 resp->records = rec;
 122                 rec->which = Z_Records_NSD;
 123                 rec->u.nonSurrogateDiagnostic =
 124                     zget_DefaultDiagFormat(
 125                         odr, YAZ_BIB1_RESULT_SET_NAMING_UNSUPP, 0);
 126             }
 127             else
 128                 *resp->resultCount = 42;
 129         }
 130         else if (apdu_req->which == Z_APDU_presentRequest)
 131         {
 132             apdu_res = zget_APDU(odr, Z_APDU_presentResponse);
 133         }
 134         else
 135         {
 136             apdu_res = zget_APDU(odr, Z_APDU_close);
 137             *apdu_res->u.close->closeReason = Z_Close_protocolError;
 138             apdu_res->u.close->diagnosticInformation =
 139                 odr_strdup(odr, "bad APDU in filter_backend_test");
 140
 141             package.session().close();
 142         }
 143         if (apdu_res)
 144             package.response() = apdu_res;
 145         odr_destroy(odr);
 146     }
 147     if (package.session().is_closed())
 148         m_p->m_sessions.release(package.session());
 149 }
 150
 151
 152 /*
 153  * Local variables:
 154  * c-basic-offset: 4
 155  * indent-tabs-mode: nil
 156  * c-file-style: "stroustrup"
 157  * End:
 158  * vim: shiftwidth=4 tabstop=8 expandtab
 159  */