[1860] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * collectset.cpp --
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 5 | *
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| 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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| 24 | *********************************************************************/
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| 25 |
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| 26 |
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[15402] | 27 | #include "collectset.h"
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[1860] | 28 | #include "collectserver.h"
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[15402] | 29 | #include "colservrconfig.h"
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| 30 | #include "gsdlsitecfg.h"
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[15584] | 31 | #include "gdbmclass.h"
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[16895] | 32 | #include "gsdltools.h"
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[15759] | 33 | #include "fileutil.h"
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[1860] | 34 | #include "filter.h"
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| 35 | #include "browsefilter.h"
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[15759] | 36 | #include "sqlbrowsefilter.h"
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[1860] | 37 | #include "queryfilter.h"
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| 38 | #include "mgqueryfilter.h"
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| 39 | #include "mgppqueryfilter.h"
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[15592] | 40 | #include "mgsource.h"
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[8028] | 41 | #include "lucenequeryfilter.h"
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[15592] | 42 | #include "lucenesource.h"
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[8032] | 43 |
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[1860] | 44 | #include <assert.h>
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| 45 |
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[15729] | 46 | #ifdef USE_SQLITE
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| 47 | #include "sqlitedbclass.h"
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| 48 | #endif
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[1860] | 49 |
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[17476] | 50 | #ifdef USE_MSSQL
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| 51 | #include "mssqldbclass.h"
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| 52 | #endif
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| 53 |
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| 54 |
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[16312] | 55 | collectset::collectset (text_t& gsdlhome, text_t& collecthome)
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| 56 | {
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| 57 | // gsdlhome and collecthome will be set as a result of calling this function
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| 58 | // collecthome will default to "<gsdlhome>/collect" if not explicitly
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| 59 | // specified in config file
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[15729] | 60 |
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[1860] | 61 | text_tarray collections;
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| 62 |
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| 63 | // get gsdlhome (if we fail the error will be picked up later -- in
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| 64 | // cgiwrapper)
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[15002] | 65 |
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[16312] | 66 | if (site_cfg_read (gsdlhome, collecthome, httpdomain, httpprefix)) {
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[7302] | 67 | if (!gsdlhome.empty() && directory_exists(gsdlhome)) {
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[16312] | 68 | if (read_dir (collecthome, collections)) {
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[1860] | 69 |
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[2344] | 70 | text_tarray::const_iterator thiscol = collections.begin();
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| 71 | text_tarray::const_iterator endcol = collections.end();
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[1860] | 72 |
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[2344] | 73 | while (thiscol != endcol) {
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| 74 | // ignore the modelcol
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| 75 | if (*thiscol == "modelcol") {
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[9620] | 76 | ++thiscol;
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[2344] | 77 | continue;
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| 78 | }
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[1860] | 79 |
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[16312] | 80 | this->add_collection (*thiscol, gsdlhome, collecthome);
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[1860] | 81 |
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[9620] | 82 | ++thiscol;
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[2344] | 83 | }
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[15002] | 84 |
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[16312] | 85 | this->add_all_collection_groups(gsdlhome, collecthome);
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[2344] | 86 | }
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| 87 | }
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[1860] | 88 | }
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[16895] | 89 |
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| 90 | set_gsdl_env_vars(gsdlhome);
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[1860] | 91 | }
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| 92 |
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[17989] | 93 |
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| 94 | collectset::collectset (text_t& httpprefix_arg)
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| 95 | {
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| 96 | httpprefix = httpprefix_arg;
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| 97 | }
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| 98 |
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| 99 |
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[1860] | 100 | collectset::~collectset () {
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| 101 | collectservermapclass::iterator here = cservers.begin();
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| 102 | collectservermapclass::iterator end = cservers.end();
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| 103 |
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| 104 | while (here != end) {
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| 105 | if ((*here).second.c != NULL) {
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| 106 | delete (*here).second.c;
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| 107 | }
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[9620] | 108 | ++here;
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[1860] | 109 | }
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| 110 | cservers.clear();
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| 111 | }
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| 112 |
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| 113 | bool collectset::init (ostream &logout) {
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| 114 | collectservermapclass::iterator here = cservers.begin();
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| 115 | collectservermapclass::iterator end = cservers.end();
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| 116 |
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| 117 | while (here != end) {
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| 118 | assert ((*here).second.c != NULL);
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| 119 | if ((*here).second.c != NULL) {
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| 120 | const colservrconf &configinfo = (*here).second.c->get_configinfo ();
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| 121 |
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| 122 | // configure this collection server
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| 123 |
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| 124 | // note that we read build.cfg before collect.cfg so that the indexmaps
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| 125 | // are available to decode defaultindex, defaultsubcollection, and
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| 126 | // defaultlanguage
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[15002] | 127 |
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| 128 | bool failed_build_cfg = false;
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[1860] | 129 | if (!build_cfg_read (*((*here).second.c), configinfo.gsdlhome,
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[16312] | 130 | configinfo.collecthome, configinfo.collection)) {
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[15002] | 131 | failed_build_cfg = true;
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| 132 |
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[1860] | 133 | outconvertclass text_t2ascii;
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| 134 | logout << text_t2ascii
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[16312] | 135 | << "Warning: couldn't read build.cfg file for collection \""
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| 136 | << configinfo.collection << "\""
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| 137 | << " gsdlhome=\"" << configinfo.gsdlhome << "\"\n"
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| 138 | << " collecthome=\"" << configinfo.collecthome << "\"\n";
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[1860] | 139 | }
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| 140 |
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[15002] | 141 | bool failed_collect_cfg = false;
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[1860] | 142 | if (!collect_cfg_read (*((*here).second.c), configinfo.gsdlhome,
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[16312] | 143 | configinfo.collecthome, configinfo.collection)) {
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[15002] | 144 | failed_collect_cfg = true;
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[1860] | 145 | outconvertclass text_t2ascii;
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| 146 | logout << text_t2ascii
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| 147 | << "Warning: couldn't read collect.cfg file for collection \""
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[16312] | 148 | << configinfo.collection << "\""
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| 149 | << " gsdlhome=\"" << configinfo.gsdlhome << "\"\n"
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| 150 | << " collecthome=\"" << configinfo.collecthome << "\"\n";
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[15002] | 151 | }
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| 152 |
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| 153 |
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| 154 | bool is_colgroup = (*here).second.c->is_collection_group();
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| 155 |
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| 156 | if (failed_collect_cfg) {
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[9620] | 157 | ++here;
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[1860] | 158 | continue;
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| 159 | }
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| 160 |
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[15002] | 161 | if (failed_build_cfg && (!is_colgroup)) {
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| 162 | ++here;
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| 163 | continue;
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| 164 | }
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| 165 | // let a failed build.cfg through if its 'collect.cfg' marks it as 'collectgroup true'
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| 166 |
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[1860] | 167 | if (!(*here).second.c->init (logout)) return false;
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| 168 |
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| 169 | (*here).second.c->configure("httpdomain",httpdomain);
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| 170 | (*here).second.c->configure("httpprefix",httpprefix);
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| 171 | }
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[9620] | 172 | ++here;
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[1860] | 173 | }
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| 174 |
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| 175 | return true;
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| 176 | }
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| 177 |
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| 178 | collectservermapclass collectset::servers()
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| 179 | { return cservers;
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| 180 | }
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| 181 |
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[9030] | 182 |
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[16312] | 183 | void collectset::add_all_collections(const text_t &gsdlhome,
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| 184 | const text_t& collecthome)
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| 185 | {
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[9030] | 186 | text_tarray collections;
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| 187 |
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[16312] | 188 | if (read_dir(collecthome, collections)) {
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| 189 |
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[9030] | 190 | text_tarray::const_iterator thiscol = collections.begin();
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| 191 | text_tarray::const_iterator endcol = collections.end();
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| 192 |
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| 193 | while (thiscol != endcol) {
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| 194 |
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| 195 | // ignore the modelcol
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| 196 | if (*thiscol == "modelcol") {
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[9620] | 197 | ++thiscol;
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[9030] | 198 | continue;
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| 199 | }
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| 200 |
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[15421] | 201 | // create collection server for this collection
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[16312] | 202 | this->add_collection (*thiscol, gsdlhome, collecthome);
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[9030] | 203 |
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[9620] | 204 | ++thiscol;
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[9030] | 205 | }
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[15002] | 206 |
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[16312] | 207 | this->add_all_collection_groups(gsdlhome,collecthome);
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[9030] | 208 | }
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| 209 | }
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| 210 |
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[1860] | 211 | // add_collection sets up the collectionserver and calls
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| 212 | // add_collectserver
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[16312] | 213 | void collectset::add_collection (const text_t& collection,
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| 214 | const text_t& gsdlhome,
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| 215 | const text_t& collecthome)
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| 216 | {
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[4340] | 217 |
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[15002] | 218 | this->remove_collection(collection);
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| 219 |
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[8028] | 220 | // read config file to see if built with mg, mgpp, or lucene
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[1860] | 221 | text_t buildtype = "mg"; // mg is default
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[15729] | 222 | text_t infodbtype = "gdbm"; // gdbm is default
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[2545] | 223 |
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[1860] | 224 | text_tarray cfgline;
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| 225 | text_t key;
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[16312] | 226 |
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| 227 | text_t build_cfg = filename_cat(collecthome, collection, "index", "build.cfg");
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[1860] | 228 | char *build_cfgc = build_cfg.getcstr();
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| 229 | ifstream confin(build_cfgc);
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| 230 |
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| 231 | if (confin) {
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| 232 | while (read_cfg_line(confin, cfgline) >= 0) {
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| 233 | if (cfgline.size() == 2) {
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| 234 | key = cfgline[0];
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| 235 | cfgline.erase(cfgline.begin());
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| 236 | if (key == "buildtype") {
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| 237 | buildtype = cfgline[0];
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| 238 | }
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[15729] | 239 | if (key == "infodbtype") {
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| 240 | infodbtype = cfgline[0];
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| 241 | }
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[1860] | 242 | }
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| 243 | }
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| 244 | confin.close();
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| 245 | }
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[9631] | 246 | delete []build_cfgc;
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[1860] | 247 |
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| 248 | collectserver *cserver = new collectserver();
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| 249 |
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[15729] | 250 | // Create a dbclass of the correct type
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| 251 | dbclass *db_ptr = NULL;
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| 252 |
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| 253 | #ifdef USE_SQLITE
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| 254 | if (infodbtype == "sqlite")
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| 255 | {
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[15759] | 256 | sqlitedbclass *sql_db_ptr = new sqlitedbclass();
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| 257 | db_ptr = sql_db_ptr;
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| 258 |
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| 259 | // add a sql browse filter
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| 260 | sqlbrowsefilterclass *sqlbrowsefilter = new sqlbrowsefilterclass();
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| 261 | sqlbrowsefilter->set_sql_db_ptr(sql_db_ptr);
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| 262 | cserver->add_filter (sqlbrowsefilter);
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[15729] | 263 | }
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| 264 | #endif
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[17476] | 265 |
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| 266 | #ifdef USE_MSSQL
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| 267 | if (infodbtype == "mssql")
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| 268 | {
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| 269 | mssqldbclass *mssql_db_ptr = new mssqldbclass();
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| 270 | db_ptr = mssql_db_ptr;
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[15729] | 271 |
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[17476] | 272 | // add a sql browse filter
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| 273 | sqlbrowsefilterclass *sqlbrowsefilter = new sqlbrowsefilterclass();
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| 274 | sqlbrowsefilter->set_sql_db_ptr(mssql_db_ptr);
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| 275 | cserver->add_filter (sqlbrowsefilter);
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| 276 | }
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| 277 | #endif
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| 278 |
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[15729] | 279 | // Use GDBM if the infodb type is empty or not one of the values above
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| 280 | if (db_ptr == NULL)
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| 281 | {
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| 282 | db_ptr = new gdbmclass();
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| 283 | }
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| 284 |
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[1860] | 285 | // add a null filter
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| 286 | filterclass *filter = new filterclass ();
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| 287 | cserver->add_filter (filter);
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| 288 |
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| 289 | // add a browse filter
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| 290 | browsefilterclass *browsefilter = new browsefilterclass();
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[15682] | 291 | browsefilter->set_db_ptr(db_ptr);
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[1860] | 292 | cserver->add_filter (browsefilter);
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| 293 |
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| 294 | if (buildtype == "mg") {
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[2545] | 295 | mgsearch = new mgsearchclass();
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[1860] | 296 |
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| 297 | // add a query filter
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| 298 | mgqueryfilterclass *queryfilter = new mgqueryfilterclass();
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[15682] | 299 | queryfilter->set_db_ptr(db_ptr);
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[8028] | 300 | queryfilter->set_textsearchptr (mgsearch);
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[1860] | 301 | cserver->add_filter (queryfilter);
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| 302 |
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[15593] | 303 | // add a mg source
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| 304 | mgsourceclass *mgsource = new mgsourceclass ();
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[15682] | 305 | mgsource->set_db_ptr(db_ptr);
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[15593] | 306 | mgsource->set_textsearchptr (mgsearch);
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| 307 | cserver->add_source (mgsource);
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[12246] | 308 | }
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| 309 | else if (buildtype == "mgpp") {
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[2545] | 310 | mgppsearch = new mgppsearchclass();
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[1860] | 311 |
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| 312 | // add a query filter
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| 313 | mgppqueryfilterclass *queryfilter = new mgppqueryfilterclass();
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[15682] | 314 | queryfilter->set_db_ptr(db_ptr);
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[8028] | 315 | queryfilter->set_textsearchptr (mgppsearch);
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[1860] | 316 | cserver->add_filter (queryfilter);
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| 317 |
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[15593] | 318 | // add a mg source
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| 319 | mgsourceclass *mgsource = new mgsourceclass ();
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[15682] | 320 | mgsource->set_db_ptr(db_ptr);
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[15593] | 321 | mgsource->set_textsearchptr (mgppsearch);
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| 322 | cserver->add_source (mgsource);
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[12246] | 323 | }
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| 324 | else if (buildtype == "lucene") {
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[8028] | 325 | lucenesearch = new lucenesearchclass();
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[16312] | 326 | lucenesearch->set_gsdlhome(gsdlhome);
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[8028] | 327 |
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| 328 | // add a query filter
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| 329 | lucenequeryfilterclass *queryfilter = new lucenequeryfilterclass();
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[15682] | 330 | queryfilter->set_db_ptr(db_ptr);
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[8028] | 331 | queryfilter->set_textsearchptr (lucenesearch);
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| 332 | cserver->add_filter (queryfilter);
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| 333 |
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[15593] | 334 | // add a lucene source
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| 335 | lucenesourceclass *lucenesource = new lucenesourceclass ();
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[15682] | 336 | lucenesource->set_db_ptr(db_ptr);
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[15593] | 337 | lucenesource->set_textsearchptr (lucenesearch);
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| 338 | cserver->add_source (lucenesource);
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[1860] | 339 | }
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| 340 |
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| 341 | // inform collection server and everything it contains about its
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| 342 | // collection name
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| 343 | cserver->configure ("collection", collection);
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[4372] | 344 | cserver->configure ("gsdlhome", gsdlhome);
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[16312] | 345 | cserver->configure ("collecthome", collecthome);
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[1860] | 346 | cservers.addcollectserver (cserver);
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| 347 | }
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| 348 |
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[9030] | 349 | void collectset::remove_all_collections () {
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| 350 |
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| 351 | // first unload any cached mg databases
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| 352 | if (mgsearch != NULL) {
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| 353 | mgsearch->unload_database();
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| 354 | }
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| 355 |
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| 356 | // now delete the collection server objects
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| 357 | collectservermapclass::iterator here = cservers.begin();
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| 358 | collectservermapclass::iterator end = cservers.end();
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| 359 |
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| 360 | while (here != end) {
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| 361 | if ((*here).second.c != NULL) {
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| 362 | delete (*here).second.c;
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| 363 | }
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[9620] | 364 | ++here;
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[9030] | 365 | }
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| 366 | cservers.clear();
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| 367 | }
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| 368 |
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[15002] | 369 | void collectset::add_collection_group(const text_t& collection,
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[16312] | 370 | const text_t& gsdlhome,
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| 371 | const text_t& collecthome)
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[15002] | 372 | {
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| 373 | text_tarray group;
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[9030] | 374 |
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[16312] | 375 | text_t collect_group_dir = filename_cat (collecthome, collection);
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| 376 |
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[15002] | 377 | // need to read collect.cfg for 'collectgroup' as class hasn't been initialised through 'init' yet
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| 378 | text_t is_collect_group;
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| 379 | text_tarray cfgline;
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| 380 | text_t key;
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[16312] | 381 | text_t build_cfg = filename_cat(collect_group_dir, "etc", "collect.cfg");
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[15002] | 382 | char *collect_cfgc = build_cfg.getcstr();
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| 383 | ifstream confin(collect_cfgc);
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| 384 |
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| 385 | if (confin) {
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| 386 | while (read_cfg_line(confin, cfgline) >= 0) {
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| 387 | if (cfgline.size() == 2) {
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| 388 | key = cfgline[0];
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| 389 | cfgline.erase(cfgline.begin());
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| 390 | if (key == "collectgroup") {
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| 391 | is_collect_group = cfgline[0];
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| 392 | break;
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| 393 | }
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| 394 | }
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| 395 | }
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| 396 | confin.close();
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| 397 | }
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| 398 | delete []collect_cfgc;
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| 399 |
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| 400 | if (is_collect_group == "true") {
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| 401 |
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| 402 | if (read_dir (collect_group_dir, group)) {
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| 403 |
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| 404 | text_tarray::const_iterator thiscol = group.begin();
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| 405 | text_tarray::const_iterator endcol = group.end();
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| 406 |
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| 407 | while (thiscol != endcol) {
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| 408 | // ignore the modelcol
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| 409 | if (*thiscol == "etc") {
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| 410 | ++thiscol;
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| 411 | continue;
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| 412 | }
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| 413 |
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[16312] | 414 | text_t group_col = filename_cat(collection,*thiscol);
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| 415 | this->add_collection (group_col, gsdlhome, collecthome);
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[15002] | 416 |
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| 417 | ++thiscol;
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| 418 | }
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| 419 | }
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| 420 | }
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| 421 | }
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| 422 |
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[16312] | 423 | void collectset::add_all_collection_groups (const text_t& gsdlhome,
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| 424 | const text_t& collecthome)
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[15002] | 425 |
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| 426 | {
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| 427 | collectservermapclass::iterator here = cservers.begin();
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| 428 | collectservermapclass::iterator end = cservers.end();
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| 429 |
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| 430 | while (here != end) {
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| 431 | text_t collection = (*here).second.c->get_collection_name();
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[16312] | 432 | this->add_collection_group(collection,gsdlhome,collecthome);
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[15002] | 433 |
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| 434 | ++here;
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| 435 | }
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| 436 | }
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| 437 |
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| 438 |
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[1860] | 439 | // remove_collection deletes the collection server of collection.
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| 440 | // This only needs to be called if a collectionserver is to be
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| 441 | // removed while the library is running. The destructor function
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| 442 | // cleans up all collectservers when the program exits.
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[15002] | 443 | void collectset::remove_collection (const text_t &collection) {
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[2545] | 444 |
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[4340] | 445 | // do nothing if no collection server exists for this collection
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| 446 | if (cservers.getcollectserver(collection) == NULL) return;
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| 447 |
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[2545] | 448 | // first unload any cached mg databases - we may need to do something
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[8028] | 449 | // similar to this for mgpp and lucene too
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[2545] | 450 | if (mgsearch != NULL) {
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| 451 | mgsearch->unload_database();
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| 452 | }
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| 453 |
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| 454 | // now delete the collection server object
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[1860] | 455 | collectservermapclass::iterator here = cservers.begin();
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| 456 | collectservermapclass::iterator end = cservers.end();
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| 457 |
|
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| 458 | while (here != end) {
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| 459 | if ((*here).second.c != NULL && (*here).first == collection) {
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| 460 | delete (*here).second.c;
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| 461 | cservers.erase (here);
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| 462 | return;
|
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| 463 | }
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[9620] | 464 | ++here;
|
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[1860] | 465 | }
|
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[15002] | 466 | }
|
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| 467 |
|
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| 468 |
|
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| 469 | // remove_collection deletes the collection server of collection.
|
---|
| 470 | // This only needs to be called if a collectionserver is to be
|
---|
| 471 | // removed while the library is running. The destructor function
|
---|
| 472 | // cleans up all collectservers when the program exits.
|
---|
| 473 | void collectset::remove_collection (const text_t &collection, ostream &logout) {
|
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| 474 |
|
---|
| 475 | remove_collection(collection);
|
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| 476 |
|
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[1860] | 477 | outconvertclass text_t2ascii;
|
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[15421] | 478 | logout << text_t2ascii << "collectset::remove_collection: failed to remove collectserver for "
|
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[1860] | 479 | << collection << "\n";
|
---|
| 480 | }
|
---|
| 481 |
|
---|
| 482 | void collectset::configure(const text_t &key, const text_tarray &cfgline)
|
---|
| 483 | {
|
---|
[16312] | 484 | if ((key == "collection") || (key == "collectdir")) return;
|
---|
[1860] | 485 |
|
---|
| 486 | collectservermapclass::iterator here = cservers.begin();
|
---|
| 487 | collectservermapclass::iterator end = cservers.end();
|
---|
| 488 |
|
---|
| 489 | while (here != end) {
|
---|
| 490 | assert ((*here).second.c != NULL);
|
---|
| 491 | if ((*here).second.c != NULL) {
|
---|
| 492 | if (key == "collectinfo") {
|
---|
| 493 | if ((*here).first == cfgline[0]) {
|
---|
[16312] | 494 | if (cfgline.size()==3) {
|
---|
| 495 | (*here).second.c->configure ("gsdlhome", cfgline[1]);
|
---|
| 496 | (*here).second.c->configure ("gdbmhome", cfgline[2]);
|
---|
| 497 | }
|
---|
| 498 | else {
|
---|
| 499 | (*here).second.c->configure ("gsdlhome", cfgline[1]);
|
---|
| 500 | (*here).second.c->configure ("collecthome", cfgline[2]);
|
---|
| 501 | (*here).second.c->configure ("gdbmhome", cfgline[3]);
|
---|
| 502 | }
|
---|
[1860] | 503 | }
|
---|
| 504 | } else {
|
---|
| 505 | (*here).second.c->configure (key, cfgline);
|
---|
| 506 | }
|
---|
| 507 | }
|
---|
| 508 |
|
---|
[9620] | 509 | ++here;
|
---|
[1860] | 510 | }
|
---|
| 511 | }
|
---|
| 512 |
|
---|
| 513 | void collectset::getCollectionList (text_tarray &collist)
|
---|
| 514 | {
|
---|
| 515 | collist.erase(collist.begin(),collist.end());
|
---|
| 516 |
|
---|
| 517 | collectservermapclass::iterator here = cservers.begin();
|
---|
| 518 | collectservermapclass::iterator end = cservers.end();
|
---|
| 519 | while (here != end) {
|
---|
| 520 | assert ((*here).second.c != NULL);
|
---|
| 521 | if ((*here).second.c != NULL) {
|
---|
| 522 | collist.push_back ((*here).second.c->get_collection_name());
|
---|
| 523 | }
|
---|
[9620] | 524 | ++here;
|
---|
[1860] | 525 | }
|
---|
| 526 | }
|
---|
[16312] | 527 |
|
---|