[15425] | 1 |
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| 2 |
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| 3 | // Standard headers
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| 4 |
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| 5 | #if defined(GSDL_USE_OBJECTSPACE)
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| 6 | # include <ospace\std\iostream>
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| 7 | # include <ospace\std\fstream>
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| 8 | # include <ospace\std\sstream>
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| 9 | #elif defined(GSDL_USE_IOS_H)
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| 10 | # include <iostream.h>
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| 11 | # include <fstream.h>
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| 12 | # include <strstream.h>
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| 13 | #else
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| 14 | # include <iostream>
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| 15 | # include <fstream>
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| 16 | # include <sstream>
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| 17 | #endif
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| 18 |
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| 19 | #include <string>
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| 20 | #include <list>
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| 21 |
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| 22 | #include <stdio.h>
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| 23 | #include <stdlib.h>
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| 24 | #include <ctype.h>
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| 25 | #include <time.h>
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| 26 |
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| 27 | // Greenstone headers
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| 28 | #include "fileutil.h"
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| 29 | #include "comtypes.h"
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| 30 | #include "nullproto.h"
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| 31 |
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| 32 | // Z39.50 server headers
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| 33 | #include "z3950parser.h"
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| 34 | #include "z3950explain.h"
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| 35 |
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| 36 | #include "z3950server.h"
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| 37 |
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| 38 | // Dublin Core -> MARC (d2m) headers and source files
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| 39 | #include "d2m4gs.h"
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| 40 |
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| 41 | // these globals are local to each thread,
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| 42 | // one Z39.50 connection = one thread.
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[18178] | 43 | text_t gsdlhome; // this is set by the collectset object from the gsdlsite.cfg file
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| 44 | text_t collecthome; // this is set by the collectset object
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[15425] | 45 | list<FilterResponse_t> Response_tlist; // list of response sets
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| 46 | list<text_t> Response_tlist_colnames; // collection names for the above
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| 47 | list<int> Response_tlist_sizes; // sizes (number of records) for the above
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| 48 | z3950Server *Server = NULL;
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| 49 | collectset *Cservers = NULL;
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| 50 | nullproto *Protocol = NULL;
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| 51 |
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| 52 | map<text_t, gsdlCollection> Collection_map; // info and tools for collections
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| 53 | map<text_t, text_t> Resultsets; // mapping from ResultSetId to GSQuery
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| 54 |
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| 55 | int z3950_verbosity_ = 3;
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| 56 |
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| 57 | // *** initialize things here ***
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| 58 | bend_initresult *bend_init(bend_initrequest *q)
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| 59 | {
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| 60 | // *** called when client connects to the server ***
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| 61 | if (z3950_verbosity_ > 1) {
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| 62 | cerr << "Entering bend_init" << endl;
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| 63 | }
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| 64 |
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| 65 | Protocol = new nullproto();
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[18178] | 66 | Cservers = new collectset(gsdlhome, collecthome);
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[15425] | 67 | Protocol->set_collectset(Cservers);
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| 68 |
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| 69 | cerr << "Starting Z39.50 Server ..." << endl;
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| 70 |
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| 71 | Server = new z3950Server(Protocol, gsdlhome);
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| 72 | cerr << "Server constructed" << endl;
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| 73 |
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| 74 | const bool status = Server->initialise();
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| 75 | cerr << "Initialised server: return status = " << status << endl;
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| 76 |
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| 77 | text_tarray collist;
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| 78 | comerror_t err;
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| 79 | Protocol->get_collection_list( collist, err, cout );
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| 80 |
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| 81 | // display the list of available Greenstone collections
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| 82 | text_tarray::iterator cols_here=collist.begin();
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| 83 | text_tarray::iterator cols_end=collist.end();
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| 84 | while (cols_here != cols_end) {
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| 85 | gsdlCollection tmpcol(*cols_here, gsdlhome);
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| 86 |
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| 87 | Collection_map[*cols_here] = tmpcol;
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| 88 |
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| 89 | if (tmpcol.z3950Capeable()) {
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| 90 | cerr << " " << tmpcol.getName() << "\tis Z39.50 capable" << endl;
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| 91 | }
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| 92 | cols_here++;
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| 93 | }
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| 94 |
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| 95 |
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| 96 | bend_initresult *r = (bend_initresult *) odr_malloc (q->stream, sizeof(*r));
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| 97 | //static char *dummy = "Hej fister"; // what's this for?
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| 98 |
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| 99 | r->errcode = 0;
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| 100 | r->errstring = 0;
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| 101 | r->handle = Protocol;
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| 102 | q->bend_sort = ztest_sort; /* register sort handler */
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| 103 | q->bend_search = ztest_search; /* register search handler */
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| 104 | q->bend_present = ztest_present; /* register present handle */
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| 105 | q->bend_esrequest = ztest_esrequest;
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| 106 | q->bend_delete = ztest_delete;
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| 107 | q->bend_fetch = ztest_fetch;
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| 108 | q->bend_scan = ztest_scan;
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| 109 |
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| 110 | return r;
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| 111 | }
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| 112 |
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| 113 | // *** perform query, get number of hits ***
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| 114 | int ztest_search (void *handle, bend_search_rr *rr)
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| 115 | {
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| 116 | // *** called when client issues a "find" command
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| 117 | if (z3950_verbosity_>1) {
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| 118 | cerr << "Entering ztest_search" << endl;
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| 119 | }
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| 120 |
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| 121 | Response_tlist.clear();
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| 122 | Response_tlist_colnames.clear();
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| 123 | Response_tlist_sizes.clear();
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| 124 |
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| 125 | comerror_t err;
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| 126 | FilterRequest_t request;
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| 127 |
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| 128 | request.filterName = "QueryFilter";
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| 129 | request.filterResultOptions = FROID | FRtermFreq | FRmetadata;
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| 130 |
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| 131 | OptionValue_t option;
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| 132 |
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| 133 | // how many results to get. grouping all results together into
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| 134 | // one set instead of breaking up into "pages".
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| 135 | // note: see if Z39.50 has a concept of pages.
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| 136 | option.name = "StartResults";
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| 137 | option.value = "1";
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| 138 | request.filterOptions.push_back (option);
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| 139 | option.name = "EndResults";
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| 140 | option.value = MAXHITS;
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| 141 | request.filterOptions.push_back (option);
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| 142 | option.name = "Maxdocs";
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| 143 | option.value = MAXHITS;
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| 144 | request.filterOptions.push_back (option);
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| 145 |
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| 146 | text_t GSQuery = ZQueryToGSQuery(rr);
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| 147 | option.name = "Term";
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| 148 | option.value = GSQuery;
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| 149 | request.filterOptions.push_back (option);
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| 150 | Resultsets[Resultsets.size()+1] = GSQuery;
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| 151 |
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| 152 | option.name = "QueryType";
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| 153 | option.value = "boolean";
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| 154 | request.filterOptions.push_back (option);
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| 155 |
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| 156 | option.name = "MatchMode";
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| 157 | option.value = "all";
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| 158 | request.filterOptions.push_back (option);
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| 159 |
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| 160 | option.name = "Casefold";
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| 161 | option.value = "true";
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| 162 | request.filterOptions.push_back (option);
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| 163 |
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| 164 | option.name = "Stem";
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| 165 | option.value = "false";
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| 166 | request.filterOptions.push_back (option);
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| 167 |
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| 168 | option.name = "AccentFold";
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| 169 | option.value = "false";
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| 170 | request.filterOptions.push_back (option);
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| 171 |
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| 172 | // MG queries don't need this, MGPP queries do.
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| 173 | // doesn't do any harm to include it anyway.
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| 174 | // note: not all collections have document-level granularity...
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| 175 | option.name = "Level";
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| 176 | option.value = "Doc";
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| 177 | request.filterOptions.push_back (option);
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| 178 |
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| 179 | // Z39.50 supports the searching of multiple databases
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| 180 | rr->hits = 0;
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| 181 | for (int i = 0; i < rr->num_bases; i++) {
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| 182 | FilterResponse_t response;
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| 183 | cerr << "Searching basename = " << rr->basenames[i] << endl;
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| 184 | // intercept Explain requests
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| 185 | if (strcmp(rr->basenames[i], "IR-Explain-1")==0) {
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| 186 | //ColInfoResponse_t collectinfo;
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| 187 | //Protocol->get_collectinfo("csbib", collectinfo, err, cerr);
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| 188 | //response.numDocs = 1;
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| 189 | //ResultDocInfo_t docinfo;
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| 190 | //docinfo.metadata["foo"].values.push_back("bar");
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| 191 | getExplainInfo(rr, response, err);
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| 192 | //response.docInfo.push_back(docinfo);
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| 193 | } else {
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| 194 | cerr << "calling filter..." << endl;
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| 195 | Protocol->filter(rr->basenames[i], request, response, err, cerr);
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| 196 | cerr << "returned from filter." << endl;
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| 197 | if (response.numDocs > MAXHITS) {
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| 198 | response.numDocs = MAXHITS;
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| 199 | }
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| 200 | }
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| 201 | rr->hits += response.numDocs;
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| 202 | Response_tlist.push_back(response);
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| 203 | text_t basename = rr->basenames[i];
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| 204 | Response_tlist_colnames.push_back(basename);
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| 205 | Response_tlist_sizes.push_back(response.numDocs);
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| 206 | cerr << "search complete." << endl;
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| 207 | }
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| 208 |
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| 209 | if (rr->hits > MAXHITS) rr->hits = MAXHITS;
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| 210 | return 0;
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| 211 | }
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| 212 |
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| 213 | // *** extra code for showing results, not needed ***
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| 214 | int ztest_present (void *handle, bend_present_rr *rr)
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| 215 | {
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| 216 | // *** called when client issues a "show" command, 1st of 5
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| 217 | if (z3950_verbosity_>1) {
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| 218 | cerr << "entering ztest_present" << endl;
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| 219 | }
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| 220 | return 0;
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| 221 | }
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| 222 |
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| 223 | int ztest_esrequest (void *handle, bend_esrequest_rr *rr)
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| 224 | {
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| 225 |
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| 226 | if (z3950_verbosity_>1) {
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| 227 | cerr << "Entering ztest_esrequest" << endl;
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| 228 | }
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| 229 | yaz_log(LOG_LOG, "function: %d", *rr->esr->function);
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| 230 | if (rr->esr->packageName)
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| 231 | yaz_log(LOG_LOG, "packagename: %s", rr->esr->packageName);
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| 232 | yaz_log(LOG_LOG, "Waitaction: %d", *rr->esr->waitAction);
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| 233 |
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| 234 | if (!rr->esr->taskSpecificParameters)
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| 235 | {
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| 236 | yaz_log (LOG_WARN, "No task specific parameters");
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| 237 | }
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| 238 | else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
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| 239 | {
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| 240 | Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
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| 241 | yaz_log (LOG_LOG, "Received ItemOrder");
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| 242 | switch (it->which)
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| 243 | {
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| 244 | #ifdef ASN_COMPILED
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| 245 | case Z_IOItemOrder_esRequest:
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| 246 | #else
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| 247 | case Z_ItemOrder_esRequest:
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| 248 | #endif
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| 249 | {
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| 250 | Z_IORequest *ir = it->u.esRequest;
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| 251 | Z_IOOriginPartToKeep *k = ir->toKeep;
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| 252 | Z_IOOriginPartNotToKeep *n = ir->notToKeep;
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| 253 |
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| 254 | if (k && k->contact)
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| 255 | {
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| 256 | if (k->contact->name)
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| 257 | yaz_log(LOG_LOG, "contact name %s", k->contact->name);
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| 258 | if (k->contact->phone)
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| 259 | yaz_log(LOG_LOG, "contact phone %s", k->contact->phone);
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| 260 | if (k->contact->email)
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| 261 | yaz_log(LOG_LOG, "contact email %s", k->contact->email);
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| 262 | }
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| 263 | if (k->addlBilling)
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| 264 | {
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| 265 | yaz_log(LOG_LOG, "Billing info (not shown)");
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| 266 | }
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| 267 |
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| 268 | if (n->resultSetItem)
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| 269 | {
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| 270 | yaz_log(LOG_LOG, "resultsetItem");
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| 271 | yaz_log(LOG_LOG, "setId: %s", n->resultSetItem->resultSetId);
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| 272 | yaz_log(LOG_LOG, "item: %d", *n->resultSetItem->item);
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| 273 | }
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| 274 | #ifdef ASN_COMPILED
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| 275 | if (n->itemRequest)
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| 276 | {
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| 277 | Z_External *r = (Z_External*) n->itemRequest;
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| 278 | ILL_ItemRequest *item_req = 0;
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| 279 | ILL_Request *ill_req = 0;
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| 280 | if (r->direct_reference)
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| 281 | {
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| 282 | oident *ent = oid_getentbyoid(r->direct_reference);
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| 283 | if (ent)
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| 284 | yaz_log(LOG_LOG, "OID %s", ent->desc);
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| 285 | if (ent && ent->value == VAL_ISO_ILL_1)
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| 286 | {
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| 287 | yaz_log (LOG_LOG, "ItemRequest");
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| 288 | if (r->which == ODR_EXTERNAL_single)
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| 289 | {
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| 290 | odr_setbuf(rr->decode,
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| 291 | (char*)(r->u.single_ASN1_type->buf),
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| 292 | r->u.single_ASN1_type->len, 0);
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| 293 |
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| 294 | if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
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| 295 | {
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| 296 | yaz_log (LOG_LOG,
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| 297 | "Couldn't decode ItemRequest %s near %d",
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| 298 | odr_errmsg(odr_geterror(rr->decode)),
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| 299 | odr_offset(rr->decode));
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| 300 | yaz_log(LOG_LOG, "PDU dump:");
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| 301 | odr_dumpBER(yaz_log_file(),
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| 302 | (const char*)(r->u.single_ASN1_type->buf),
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| 303 | r->u.single_ASN1_type->len);
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| 304 | }
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| 305 | if (rr->print)
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| 306 | {
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| 307 | ill_ItemRequest (rr->print, &item_req, 0,
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| 308 | "ItemRequest");
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| 309 | odr_reset (rr->print);
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| 310 | }
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| 311 | }
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| 312 | if (!item_req && r->which == ODR_EXTERNAL_single)
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| 313 | {
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| 314 | yaz_log (LOG_LOG, "ILLRequest");
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| 315 | odr_setbuf(rr->decode,
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| 316 | (char*)(r->u.single_ASN1_type->buf),
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| 317 | r->u.single_ASN1_type->len, 0);
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| 318 |
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| 319 | if (!ill_Request (rr->decode, &ill_req, 0, 0))
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| 320 | {
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| 321 | yaz_log (LOG_LOG,
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| 322 | "Couldn't decode ILLRequest %s near %d",
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| 323 | odr_errmsg(odr_geterror(rr->decode)),
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| 324 | odr_offset(rr->decode));
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| 325 | yaz_log(LOG_LOG, "PDU dump:");
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| 326 | odr_dumpBER(yaz_log_file(),
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| 327 | (const char*)(r->u.single_ASN1_type->buf),
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| 328 | r->u.single_ASN1_type->len);
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| 329 | }
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| 330 | if (rr->print)
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| 331 | {
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| 332 | ill_Request (rr->print, &ill_req, 0,
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| 333 | "ILLRequest");
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| 334 | odr_reset (rr->print);
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| 335 | }
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| 336 | }
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| 337 | }
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| 338 | }
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| 339 | if (item_req)
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| 340 | {
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| 341 | yaz_log (LOG_LOG, "ILL protocol version = %d",
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| 342 | *item_req->protocol_version_num);
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| 343 | }
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| 344 | }
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| 345 | #endif
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| 346 | }
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| 347 | break;
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| 348 | }
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| 349 | }
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| 350 | else if (rr->esr->taskSpecificParameters->which == Z_External_update)
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| 351 | {
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| 352 | Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
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| 353 | yaz_log (LOG_LOG, "Received DB Update");
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| 354 | if (up->which == Z_IUUpdate_esRequest)
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| 355 | {
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| 356 | Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
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| 357 | Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
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| 358 | Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
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| 359 |
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| 360 | yaz_log (LOG_LOG, "action");
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| 361 | if (toKeep->action)
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| 362 | {
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| 363 | switch (*toKeep->action)
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| 364 | {
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| 365 | case Z_IUOriginPartToKeep_recordInsert:
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| 366 | yaz_log (LOG_LOG, " recordInsert");
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| 367 | break;
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| 368 | case Z_IUOriginPartToKeep_recordReplace:
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| 369 | yaz_log (LOG_LOG, " recordUpdate");
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| 370 | break;
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| 371 | case Z_IUOriginPartToKeep_recordDelete:
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| 372 | yaz_log (LOG_LOG, " recordDelete");
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| 373 | break;
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| 374 | case Z_IUOriginPartToKeep_elementUpdate:
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| 375 | yaz_log (LOG_LOG, " elementUpdate");
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| 376 | break;
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| 377 | case Z_IUOriginPartToKeep_specialUpdate:
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| 378 | yaz_log (LOG_LOG, " specialUpdate");
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| 379 | break;
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| 380 | default:
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| 381 | yaz_log (LOG_LOG, " unknown (%d)", *toKeep->action);
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| 382 | }
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| 383 | }
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| 384 | if (toKeep->databaseName)
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| 385 | {
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| 386 | yaz_log (LOG_LOG, "database: %s", toKeep->databaseName);
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| 387 | if (!strcmp(toKeep->databaseName, "fault"))
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| 388 | {
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| 389 | rr->errcode = 109;
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| 390 | rr->errstring = toKeep->databaseName;
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| 391 | }
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| 392 | if (!strcmp(toKeep->databaseName, "accept"))
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| 393 | rr->errcode = -1;
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| 394 | }
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| 395 | if (notToKeep)
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| 396 | {
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| 397 | int i;
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| 398 | for (i = 0; i < notToKeep->num; i++)
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| 399 | {
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| 400 | Z_External *rec = notToKeep->elements[i]->record;
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| 401 |
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| 402 | if (rec->direct_reference)
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| 403 | {
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| 404 | struct oident *oident;
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| 405 | oident = oid_getentbyoid(rec->direct_reference);
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| 406 | if (oident)
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| 407 | yaz_log (LOG_LOG, "record %d type %s", i,
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| 408 | oident->desc);
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| 409 | }
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| 410 | switch (rec->which)
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| 411 | {
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| 412 | case Z_External_sutrs:
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| 413 | if (rec->u.octet_aligned->len > 170)
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| 414 | yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
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| 415 | rec->u.sutrs->len,
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| 416 | rec->u.sutrs->buf);
|
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| 417 | else
|
---|
| 418 | yaz_log (LOG_LOG, "%d bytes:\n%s",
|
---|
| 419 | rec->u.sutrs->len,
|
---|
| 420 | rec->u.sutrs->buf);
|
---|
| 421 | break;
|
---|
| 422 | case Z_External_octet :
|
---|
| 423 | if (rec->u.octet_aligned->len > 170)
|
---|
| 424 | yaz_log (LOG_LOG, "%d bytes:\n%.168s ...",
|
---|
| 425 | rec->u.octet_aligned->len,
|
---|
| 426 | rec->u.octet_aligned->buf);
|
---|
| 427 | else
|
---|
| 428 | yaz_log (LOG_LOG, "%d bytes\n%s",
|
---|
| 429 | rec->u.octet_aligned->len,
|
---|
| 430 | rec->u.octet_aligned->buf);
|
---|
| 431 | }
|
---|
| 432 | }
|
---|
| 433 | }
|
---|
| 434 | }
|
---|
| 435 | }
|
---|
| 436 | else
|
---|
| 437 | {
|
---|
| 438 | yaz_log (LOG_WARN, "Unknown Extended Service(%d)",
|
---|
| 439 | rr->esr->taskSpecificParameters->which);
|
---|
| 440 |
|
---|
| 441 | }
|
---|
| 442 | return 0;
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 | int ztest_delete (void *handle, bend_delete_rr *rr)
|
---|
| 446 | {
|
---|
| 447 | // *** called when client issues a "delete" command
|
---|
| 448 | if (z3950_verbosity_>1) {
|
---|
| 449 | cerr << "Entering ztest_delete" << endl;
|
---|
| 450 | }
|
---|
| 451 | if (rr->num_setnames == 1 && !strcmp (rr->setnames[0], "1"))
|
---|
| 452 | rr->delete_status = Z_DeleteStatus_success;
|
---|
| 453 | else
|
---|
| 454 | rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
|
---|
| 455 | return 0;
|
---|
| 456 | }
|
---|
| 457 |
|
---|
| 458 | // *** do we want to sort the results? ***
|
---|
| 459 | /* Our sort handler really doesn't sort... */
|
---|
| 460 | int ztest_sort (void *handle, bend_sort_rr *rr)
|
---|
| 461 | {
|
---|
| 462 | if (z3950_verbosity_>1) {
|
---|
| 463 | cerr << "entering ztest_sort" << endl;
|
---|
| 464 | }
|
---|
| 465 | rr->errcode = 0;
|
---|
| 466 | rr->sort_status = Z_SortStatus_success;
|
---|
| 467 | return 0;
|
---|
| 468 | }
|
---|
| 469 |
|
---|
| 470 | static int atoin (const char *buf, int n)
|
---|
| 471 | {
|
---|
| 472 | // *** called when client issues a "show" command, 5th of 5
|
---|
| 473 | // *** NOT called if the "show" command has an invalid argument
|
---|
| 474 | if (z3950_verbosity_>1) {
|
---|
| 475 | cerr << "Entering atoin" << endl;
|
---|
| 476 | }
|
---|
| 477 | int val = 0;
|
---|
| 478 | while (--n >= 0)
|
---|
| 479 | {
|
---|
| 480 | if (isdigit(*buf))
|
---|
| 481 | val = val*10 + (*buf - '0');
|
---|
| 482 | buf++;
|
---|
| 483 | }
|
---|
| 484 | return val;
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 |
|
---|
| 488 | bool get_sutrs_record (int recnum, text_t &MetadataResult, text_t &CollectionName)
|
---|
| 489 | {
|
---|
| 490 | if (z3950_verbosity_>1) {
|
---|
| 491 | cerr << "Entering get_sutrs_record" << endl;
|
---|
| 492 | }
|
---|
| 493 | int total_records = 0;
|
---|
| 494 |
|
---|
| 495 | list<FilterResponse_t>::iterator RESPONSE_here = Response_tlist.begin();
|
---|
| 496 | list<FilterResponse_t>::iterator RESPONSE_end = Response_tlist.end();
|
---|
| 497 | list<text_t>::iterator RESPONSE_COLNAMES_here = Response_tlist_colnames.begin();
|
---|
| 498 | list<text_t>::iterator RESPONSE_COLNAMES_end = Response_tlist_colnames.end();
|
---|
| 499 | list<int>::iterator RESPONSE_SIZES_here = Response_tlist_sizes.begin();
|
---|
| 500 | list<int>::iterator RESPONSE_SIZES_end = Response_tlist_sizes.end();
|
---|
| 501 |
|
---|
| 502 | RESPONSE_here = Response_tlist.begin();
|
---|
| 503 | RESPONSE_end = Response_tlist.end();
|
---|
| 504 | while (RESPONSE_here != RESPONSE_end) {
|
---|
| 505 | total_records += (*RESPONSE_here).numDocs;
|
---|
| 506 | RESPONSE_here++;
|
---|
| 507 | }
|
---|
| 508 |
|
---|
| 509 | // check that the index is within bounds
|
---|
| 510 | if (recnum < 1 || recnum > total_records) {
|
---|
| 511 | cerr << "get_sutrs_record failed" << endl;
|
---|
| 512 | return false; // failed
|
---|
| 513 | } else {
|
---|
| 514 | FilterResponse_t response;
|
---|
| 515 | // iterate through Response_tlist to find the right response
|
---|
| 516 | RESPONSE_here = Response_tlist.begin();
|
---|
| 517 | RESPONSE_end = Response_tlist.end();
|
---|
| 518 | RESPONSE_COLNAMES_here = Response_tlist_colnames.begin();
|
---|
| 519 | RESPONSE_COLNAMES_end = Response_tlist_colnames.end();
|
---|
| 520 | RESPONSE_SIZES_here = Response_tlist_sizes.begin();
|
---|
| 521 | RESPONSE_SIZES_end = Response_tlist_sizes.end();
|
---|
| 522 | int n = 0;
|
---|
| 523 |
|
---|
| 524 | while (RESPONSE_here != RESPONSE_end) {
|
---|
| 525 | n += *RESPONSE_SIZES_here;
|
---|
| 526 | if (n >= recnum) {
|
---|
| 527 | response = *RESPONSE_here;
|
---|
| 528 | CollectionName = *RESPONSE_COLNAMES_here;
|
---|
| 529 | recnum = *RESPONSE_SIZES_here - (n - recnum);
|
---|
| 530 | break;
|
---|
| 531 | }
|
---|
| 532 | // these should all have the same number of elements,
|
---|
| 533 | // so only need to check that one is within bounds.
|
---|
| 534 | // may want to combine these into a larger data structure later.
|
---|
| 535 | RESPONSE_here++;
|
---|
| 536 | RESPONSE_COLNAMES_here++;
|
---|
| 537 | RESPONSE_SIZES_here++;
|
---|
| 538 | }
|
---|
| 539 |
|
---|
| 540 | // locate the desired record in the response
|
---|
| 541 |
|
---|
| 542 | MetadataInfo_tmap::iterator METAFIELD_here = response.docInfo[recnum-1].metadata.begin();
|
---|
| 543 | MetadataInfo_tmap::iterator METAFIELD_end = response.docInfo[recnum-1].metadata.end();
|
---|
| 544 |
|
---|
| 545 | while (METAFIELD_here!=METAFIELD_end) {
|
---|
| 546 | text_tarray::iterator METAVALUE_here = METAFIELD_here->second.values.begin();
|
---|
| 547 | text_tarray::iterator METAVALUE_end = METAFIELD_here->second.values.end();
|
---|
| 548 | while (METAVALUE_here!=METAVALUE_end) {
|
---|
| 549 | // construct a text_t containing the record:
|
---|
| 550 | // there are multiple metadata fields,
|
---|
| 551 | // each field can have multiple values.
|
---|
| 552 | /*
|
---|
| 553 | // don't include fields starting with a lowercase letter,
|
---|
| 554 | // these are system fields.
|
---|
| 555 | // later: include these anyway, since Explain fields start with lowercase letters
|
---|
| 556 | if (METAFIELD_here->first[0] >= 'A' &&
|
---|
| 557 | METAFIELD_here->first[0] <= 'Z') {
|
---|
| 558 | */
|
---|
| 559 | MetadataResult += METAFIELD_here->first; // field name
|
---|
| 560 | MetadataResult += " ";
|
---|
| 561 | MetadataResult += *METAVALUE_here; // field contents
|
---|
| 562 | MetadataResult += "\n";
|
---|
| 563 | //}
|
---|
| 564 | METAVALUE_here++;
|
---|
| 565 | }
|
---|
| 566 | METAFIELD_here++;
|
---|
| 567 | }
|
---|
| 568 | return true; // succeeded
|
---|
| 569 | }
|
---|
| 570 | }
|
---|
| 571 |
|
---|
| 572 | bool get_marc_record (int recnum, list<metatag*> &Metatag_list, text_t &CollectionName)
|
---|
| 573 | {
|
---|
| 574 | if (z3950_verbosity_>1) {
|
---|
| 575 | cerr << "Entering get_marc_record" << endl;
|
---|
| 576 | }
|
---|
| 577 | int total_records = 0;
|
---|
| 578 |
|
---|
| 579 | list<FilterResponse_t>::iterator RESPONSE_here = Response_tlist.begin();
|
---|
| 580 | list<FilterResponse_t>::iterator RESPONSE_end = Response_tlist.end();
|
---|
| 581 | list<text_t>::iterator RESPONSE_COLNAMES_here = Response_tlist_colnames.begin();
|
---|
| 582 | list<text_t>::iterator RESPONSE_COLNAMES_end = Response_tlist_colnames.end();
|
---|
| 583 | list<int>::iterator RESPONSE_SIZES_here = Response_tlist_sizes.begin();
|
---|
| 584 | list<int>::iterator RESPONSE_SIZES_end = Response_tlist_sizes.end();
|
---|
| 585 |
|
---|
| 586 | RESPONSE_here = Response_tlist.begin();
|
---|
| 587 | RESPONSE_end = Response_tlist.end();
|
---|
| 588 | while (RESPONSE_here != RESPONSE_end) {
|
---|
| 589 | total_records += (*RESPONSE_here).numDocs;
|
---|
| 590 | RESPONSE_here++;
|
---|
| 591 | }
|
---|
| 592 |
|
---|
| 593 | // check that the index is within bounds
|
---|
| 594 | if (recnum < 1 || recnum > total_records) {
|
---|
| 595 | cerr << "get_marc_record failed" << endl;
|
---|
| 596 | return false; // failed
|
---|
[19591] | 597 | }
|
---|
| 598 |
|
---|
| 599 | FilterResponse_t response;
|
---|
| 600 | // iterate through Response_tlist to find the right response
|
---|
| 601 | RESPONSE_here = Response_tlist.begin();
|
---|
| 602 | RESPONSE_end = Response_tlist.end();
|
---|
| 603 | RESPONSE_COLNAMES_here = Response_tlist_colnames.begin();
|
---|
| 604 | RESPONSE_COLNAMES_end = Response_tlist_colnames.end();
|
---|
| 605 | RESPONSE_SIZES_here = Response_tlist_sizes.begin();
|
---|
| 606 | RESPONSE_SIZES_end = Response_tlist_sizes.end();
|
---|
| 607 | int n = 0;
|
---|
| 608 | while (RESPONSE_here != RESPONSE_end) {
|
---|
| 609 | n += *RESPONSE_SIZES_here;
|
---|
| 610 | if (n >= recnum) {
|
---|
| 611 | response = *RESPONSE_here;
|
---|
| 612 | CollectionName = *RESPONSE_COLNAMES_here;
|
---|
| 613 | recnum = *RESPONSE_SIZES_here - (n - recnum);
|
---|
| 614 | break;
|
---|
[15425] | 615 | }
|
---|
[19591] | 616 | // these should all have the same number of elements,
|
---|
| 617 | // so only need to check that one is within bounds.
|
---|
| 618 | // may want to combine these into a larger data structure later.
|
---|
| 619 | RESPONSE_here++;
|
---|
| 620 | RESPONSE_COLNAMES_here++;
|
---|
| 621 | RESPONSE_SIZES_here++;
|
---|
| 622 | }
|
---|
[15425] | 623 |
|
---|
[19591] | 624 | // locate the desired record in the response and gather all the metadata
|
---|
[15425] | 625 |
|
---|
[19591] | 626 | MetadataInfo_tmap::iterator METAFIELD_here = response.docInfo[recnum-1].metadata.begin();
|
---|
| 627 | MetadataInfo_tmap::iterator METAFIELD_end = response.docInfo[recnum-1].metadata.end();
|
---|
| 628 |
|
---|
| 629 | while (METAFIELD_here!=METAFIELD_end) {
|
---|
| 630 | text_t meta_name = METAFIELD_here->first;
|
---|
| 631 | text_t::const_iterator pos = findchar(meta_name.begin(), meta_name.end(), '.');
|
---|
| 632 | // strip off namespace and subfield
|
---|
| 633 | if (pos != meta_name.end()) {
|
---|
| 634 | meta_name = substr(pos+1, meta_name.end());
|
---|
| 635 | }
|
---|
| 636 | pos = findchar(meta_name.begin(), meta_name.end(), '^');
|
---|
| 637 | if (pos != meta_name.end()) {
|
---|
| 638 | meta_name = substr(meta_name.begin(), pos);
|
---|
| 639 | }
|
---|
| 640 | if (meta_name[0] >= 'A' &&
|
---|
| 641 | meta_name[0] <= 'Z') {
|
---|
[15425] | 642 | text_tarray::iterator METAVALUE_here = METAFIELD_here->second.values.begin();
|
---|
| 643 | text_tarray::iterator METAVALUE_end = METAFIELD_here->second.values.end();
|
---|
| 644 | while (METAVALUE_here!=METAVALUE_end) {
|
---|
[19591] | 645 |
|
---|
| 646 | metatag *tmptag = new metatag();
|
---|
| 647 | tmptag->name = meta_name.getcstr();
|
---|
| 648 | tmptag->type = "";
|
---|
| 649 | tmptag->scheme = "";
|
---|
| 650 | tmptag->value = (*METAVALUE_here).getcstr();
|
---|
| 651 | Metatag_list.push_back(tmptag);
|
---|
| 652 |
|
---|
[15425] | 653 | METAVALUE_here++;
|
---|
| 654 | }
|
---|
| 655 | }
|
---|
[19591] | 656 |
|
---|
| 657 | METAFIELD_here++;
|
---|
[15425] | 658 | }
|
---|
[19591] | 659 | return true; // succeeded
|
---|
| 660 |
|
---|
[15425] | 661 | }
|
---|
| 662 |
|
---|
| 663 | // *** implement this ***
|
---|
| 664 | int ztest_fetch(void *handle, bend_fetch_rr *r)
|
---|
| 665 | {
|
---|
| 666 | // *** called when client issues a "show" command, 2nd of 5
|
---|
| 667 | if (z3950_verbosity_>1) {
|
---|
| 668 | cerr << "Entering ztest_fetch" << endl;
|
---|
| 669 | }
|
---|
| 670 | char *cp;
|
---|
| 671 | r->errstring = 0;
|
---|
| 672 | r->last_in_set = 0;
|
---|
| 673 | r->basename = "DUMMY"; // this is set below
|
---|
| 674 | r->output_format = r->request_format;
|
---|
| 675 |
|
---|
| 676 | // *** use this until found a good way of mapping Greenstone
|
---|
| 677 | // *** metadata fields to USMARC fields
|
---|
| 678 | if (r->request_format == VAL_SUTRS)
|
---|
| 679 | {
|
---|
| 680 | // copies record into r, errcode will be 13 if fails
|
---|
| 681 | text_t MetadataResult;
|
---|
| 682 | text_t CollectionName;
|
---|
| 683 | if (!get_sutrs_record(r->number, MetadataResult, CollectionName)) {
|
---|
| 684 | r->errcode = 13;
|
---|
| 685 | return 0;
|
---|
| 686 | } else {
|
---|
| 687 | r->len = MetadataResult.size();
|
---|
| 688 | r->record = (char*) odr_malloc(r->stream, r->len+1);
|
---|
| 689 | char *tmptxt = MetadataResult.getcstr();
|
---|
| 690 | strcpy(r->record, tmptxt);
|
---|
| 691 | delete tmptxt;
|
---|
| 692 | r->basename = (char*) odr_malloc(r->stream, CollectionName.size()+1);
|
---|
| 693 | tmptxt = CollectionName.getcstr();
|
---|
| 694 | strcpy(r->basename, tmptxt);
|
---|
| 695 | delete tmptxt;
|
---|
| 696 | }
|
---|
| 697 | }
|
---|
| 698 | // *** do we want to use this format? ***
|
---|
| 699 | else if (r->request_format == VAL_GRS1)
|
---|
| 700 | {
|
---|
| 701 | // bail out, since we don't support grs (yet?)
|
---|
| 702 | r->errcode = 107; // "Query type not supported"
|
---|
| 703 | return 0;
|
---|
| 704 |
|
---|
| 705 | }
|
---|
| 706 | // assume that here on in is some sort of MARC format
|
---|
| 707 | else {
|
---|
| 708 | marcrec *mrec = new marcrec;
|
---|
| 709 |
|
---|
| 710 | mrec = (marcrec*) malloc(sizeof(*mrec));
|
---|
| 711 |
|
---|
| 712 | mrec->marcline = (char*) malloc(100000);
|
---|
| 713 | mrec->partitle = (char*) malloc(10000);
|
---|
| 714 | mrec->subtitle = (char*) malloc(10000);
|
---|
| 715 | mrec->year = (char*) malloc(1000);
|
---|
| 716 | mrec->url = (char*) malloc(1000);
|
---|
| 717 | mrec->fmat = (char*) malloc(1000);
|
---|
| 718 | mrec->s008 = (char*) malloc(41);
|
---|
| 719 |
|
---|
| 720 | mrec->ncreators = 0;
|
---|
| 721 | mrec->ntitles = 0;
|
---|
| 722 | *mrec->marcline = 0;
|
---|
| 723 | *mrec->subtitle = 0;
|
---|
| 724 | *mrec->partitle = 0;
|
---|
| 725 | *mrec->year = 0;
|
---|
| 726 | *mrec->url = 0;
|
---|
| 727 | *mrec->fmat = 0;
|
---|
| 728 | strcpy(mrec->s008, " ");
|
---|
| 729 |
|
---|
| 730 | text_t CollectionName;
|
---|
| 731 | list<metatag*> Metatag_list;
|
---|
| 732 |
|
---|
| 733 | if (!get_marc_record(r->number, Metatag_list, CollectionName)) {
|
---|
| 734 | r->errcode = 13;
|
---|
| 735 | return 0;
|
---|
[22400] | 736 | }
|
---|
[15425] | 737 |
|
---|
[22400] | 738 | // work out the d2m format number
|
---|
| 739 | int record_format;
|
---|
| 740 | switch(r->request_format) {
|
---|
| 741 | case VAL_DANMARC:
|
---|
| 742 | record_format = DANMARC;
|
---|
| 743 | break;
|
---|
| 744 | case VAL_FINMARC:
|
---|
| 745 | record_format = FINMARC;
|
---|
| 746 | break;
|
---|
| 747 | case VAL_NORMARC:
|
---|
| 748 | record_format = NORMARC;
|
---|
| 749 | break;
|
---|
| 750 | case VAL_SWEMARC:
|
---|
| 751 | record_format = SWEMARC;
|
---|
| 752 | break;
|
---|
| 753 | case VAL_UNIMARC:
|
---|
| 754 | record_format = UNIMARC;
|
---|
| 755 | break;
|
---|
| 756 | default:
|
---|
| 757 | // we don;t know any other format, so assume usMARC
|
---|
| 758 | record_format = USMARC;
|
---|
| 759 | // set above to be request_format, but this may change it
|
---|
| 760 | r->output_format = VAL_USMARC;
|
---|
| 761 | }
|
---|
| 762 |
|
---|
| 763 |
|
---|
[15425] | 764 |
|
---|
[22400] | 765 | list<metatag*>::iterator METATAG_here = Metatag_list.begin();
|
---|
| 766 | list<metatag*>::iterator METATAG_end = Metatag_list.end();
|
---|
| 767 | while (METATAG_here != METATAG_end) {
|
---|
| 768 | //usMARC(*METATAG_here, mrec);
|
---|
| 769 | MARCmake(*METATAG_here, mrec, record_format);
|
---|
| 770 | METATAG_here++;
|
---|
| 771 | }
|
---|
| 772 |
|
---|
| 773 | // set the date in the marc record to the current date
|
---|
| 774 | char today[32];
|
---|
| 775 | time_t d;
|
---|
| 776 | struct tm *time_struct;
|
---|
| 777 | //putenv("TZ=NFT-1DFT");
|
---|
| 778 | d = time(NULL);
|
---|
| 779 | time_struct = localtime(&d);
|
---|
| 780 | strftime(today, 16, "%y%m%d", time_struct);
|
---|
| 781 | put008(mrec->s008, today, F008_DATE_ENTERED);
|
---|
| 782 | put008(mrec->s008, "s", F008_TYPE_OF_DATE);
|
---|
| 783 |
|
---|
| 784 | // to do: make this safer + more efficient
|
---|
| 785 | cp = new char[1000000];
|
---|
| 786 | char *cp2 = new char[1000000];
|
---|
[15425] | 787 |
|
---|
[22400] | 788 | MARCtidy(mrec, cp, record_format);
|
---|
[15425] | 789 |
|
---|
[22400] | 790 | sprintf(cp2, "%s", (char*) MARC2709(cp, 0, 6, 'n', 'm', ' '));
|
---|
| 791 | r->len = strlen(cp2);
|
---|
| 792 | r->record = (char*) odr_malloc(r->stream, r->len+1);
|
---|
| 793 | strcpy(r->record, cp2);
|
---|
| 794 | r->basename = (char*) odr_malloc(r->stream, CollectionName.size()+1);
|
---|
| 795 | char *tmptxt;
|
---|
| 796 | tmptxt = CollectionName.getcstr();
|
---|
| 797 | strcpy(r->basename, tmptxt);
|
---|
| 798 | delete tmptxt;
|
---|
| 799 | delete cp2;
|
---|
| 800 | cerr << "dumping record:`" << cp << "'" << endl;
|
---|
| 801 | delete cp;
|
---|
| 802 |
|
---|
[15425] | 803 | }
|
---|
| 804 |
|
---|
| 805 | r->errcode = 0;
|
---|
| 806 | return 0;
|
---|
| 807 | }
|
---|
| 808 |
|
---|
| 809 | /*
|
---|
| 810 | * silly dummy-scan what reads words from a file.
|
---|
| 811 | */
|
---|
| 812 | int ztest_scan(void *handle, bend_scan_rr *q)
|
---|
| 813 | {
|
---|
| 814 | // *** called when client issues a "scan" command
|
---|
| 815 | if (z3950_verbosity_>1) {
|
---|
| 816 | cerr << "Entering ztest_scan" << endl;
|
---|
| 817 | }
|
---|
| 818 |
|
---|
| 819 | // bail out, since we don't support scan (yet?)
|
---|
| 820 | q->errcode = 107; // "Query type not supported"
|
---|
| 821 | return 0;
|
---|
| 822 |
|
---|
| 823 | static FILE *f = 0;
|
---|
| 824 | static struct scan_entry list[200];
|
---|
| 825 | static char entries[200][80];
|
---|
| 826 | int hits[200];
|
---|
| 827 | char term[80], *p;
|
---|
| 828 | int i, pos;
|
---|
| 829 | int term_position_req = q->term_position;
|
---|
| 830 | int num_entries_req = q->num_entries;
|
---|
| 831 |
|
---|
| 832 | q->errcode = 0;
|
---|
| 833 | q->errstring = 0;
|
---|
| 834 | q->entries = list;
|
---|
| 835 | q->status = BEND_SCAN_SUCCESS;
|
---|
| 836 | if (!f && !(f = fopen("dummy-words", "r")))
|
---|
| 837 | {
|
---|
| 838 | perror("dummy-words");
|
---|
| 839 | exit(1);
|
---|
| 840 | }
|
---|
| 841 | if (q->term->term->which != Z_Term_general)
|
---|
| 842 | {
|
---|
| 843 | q->errcode = 229; /* unsupported term type */
|
---|
| 844 | return 0;
|
---|
| 845 | }
|
---|
| 846 | if (*q->step_size != 0)
|
---|
| 847 | {
|
---|
| 848 | q->errcode = 205; /*Only zero step size supported for Scan */
|
---|
| 849 | return 0;
|
---|
| 850 | }
|
---|
| 851 | if (q->term->term->u.general->len >= 80)
|
---|
| 852 | {
|
---|
| 853 | q->errcode = 11; /* term too long */
|
---|
| 854 | return 0;
|
---|
| 855 | }
|
---|
| 856 | if (q->num_entries > 200)
|
---|
| 857 | {
|
---|
| 858 | q->errcode = 31;
|
---|
| 859 | return 0;
|
---|
| 860 | }
|
---|
| 861 | memcpy(term, q->term->term->u.general->buf, q->term->term->u.general->len);
|
---|
| 862 | term[q->term->term->u.general->len] = '\0';
|
---|
| 863 | for (p = term; *p; p++)
|
---|
| 864 | if (islower(*p))
|
---|
| 865 | *p = toupper(*p);
|
---|
| 866 |
|
---|
| 867 | fseek(f, 0, SEEK_SET);
|
---|
| 868 | q->num_entries = 0;
|
---|
| 869 |
|
---|
| 870 | for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
|
---|
| 871 | i++, pos < 199 ? pos++ : (pos = 0))
|
---|
| 872 | {
|
---|
| 873 | if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
|
---|
| 874 | {
|
---|
| 875 | if ((q->term_position = term_position_req) > i + 1)
|
---|
| 876 | {
|
---|
| 877 | q->term_position = i + 1;
|
---|
| 878 | q->status = BEND_SCAN_PARTIAL;
|
---|
| 879 | }
|
---|
| 880 | for (; q->num_entries < q->term_position; q->num_entries++)
|
---|
| 881 | {
|
---|
| 882 | int po;
|
---|
| 883 |
|
---|
| 884 | po = pos - q->term_position + q->num_entries+1; /* find pos */
|
---|
| 885 | if (po < 0)
|
---|
| 886 | po += 200;
|
---|
| 887 |
|
---|
| 888 | if (!strcmp (term, "SD") && q->num_entries == 2)
|
---|
| 889 | {
|
---|
| 890 | list[q->num_entries].term = entries[pos];
|
---|
| 891 | list[q->num_entries].occurrences = -1;
|
---|
| 892 | list[q->num_entries].errcode = 233;
|
---|
| 893 | list[q->num_entries].errstring = "SD for Scan Term";
|
---|
| 894 | }
|
---|
| 895 | else
|
---|
| 896 | {
|
---|
| 897 | list[q->num_entries].term = entries[po];
|
---|
| 898 | list[q->num_entries].occurrences = hits[po];
|
---|
| 899 | }
|
---|
| 900 | }
|
---|
| 901 | }
|
---|
| 902 | else if (q->num_entries)
|
---|
| 903 | {
|
---|
| 904 | list[q->num_entries].term = entries[pos];
|
---|
| 905 | list[q->num_entries].occurrences = hits[pos];
|
---|
| 906 | q->num_entries++;
|
---|
| 907 | }
|
---|
| 908 | if (q->num_entries >= num_entries_req)
|
---|
| 909 | break;
|
---|
| 910 | }
|
---|
| 911 | if (feof(f))
|
---|
| 912 | q->status = BEND_SCAN_PARTIAL;
|
---|
| 913 | return 0;
|
---|
| 914 | }
|
---|
| 915 |
|
---|
| 916 |
|
---|
| 917 |
|
---|
| 918 | void bend_close(void *handle)
|
---|
| 919 | {
|
---|
| 920 | if (z3950_verbosity_>1) {
|
---|
| 921 | cerr << "Entering bend_close" << endl;
|
---|
| 922 | }
|
---|
| 923 | delete Server;
|
---|
| 924 | delete Cservers;
|
---|
| 925 | delete Protocol;
|
---|
| 926 | if (z3950_verbosity_>1) {
|
---|
| 927 | cerr << "heap cleaned up, exiting bend_close" << endl;
|
---|
| 928 | }
|
---|
| 929 | return;
|
---|
| 930 | }
|
---|
| 931 |
|
---|
| 932 | int main (int argc, char *argv[])
|
---|
| 933 | {
|
---|
| 934 |
|
---|
| 935 | const int statserv_var = statserv_main(argc, argv, bend_init, bend_close);
|
---|
| 936 | cerr << "statserv_main returns: " << statserv_var << endl;
|
---|
| 937 | return statserv_var;
|
---|
| 938 |
|
---|
| 939 | return 0;
|
---|
| 940 | }
|
---|
| 941 |
|
---|
| 942 |
|
---|