[226] | 1 |
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[166] | 2 | /**********************************************************************
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| 3 | *
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| 4 | * collectserver.cpp --
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| 5 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 6 | *
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[534] | 7 | * A component of the Greenstone digital library software
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| 8 | * from the New Zealand Digital Library Project at the
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| 9 | * University of Waikato, New Zealand.
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[166] | 10 | *
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[534] | 11 | * This program is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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| 13 | * the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, write to the Free Software
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| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 24 | *
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[166] | 25 | *********************************************************************/
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| 26 |
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| 27 | #include "collectserver.h"
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[249] | 28 | #include "infodbclass.h"
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| 29 | #include "OIDtools.h"
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[166] | 30 | #include <assert.h>
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| 31 |
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| 32 |
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| 33 | collectserver::collectserver () {
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| 34 | configinfo.collection = "null";
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| 35 | }
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| 36 |
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| 37 | collectserver::~collectserver () {
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[1459] | 38 |
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| 39 | // clean up the sources
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| 40 | sourcelistclass::iterator source_here = sources.begin();
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| 41 | sourcelistclass::iterator source_end = sources.end();
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| 42 | while (source_here != source_end) {
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| 43 | if ((*source_here).s != NULL)
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| 44 | delete (*source_here).s;
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| 45 | source_here++;
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| 46 | }
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| 47 | sources.clear();
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| 48 |
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| 49 | // clean up the filters
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| 50 | filtermapclass::iterator filter_here = filters.begin();
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| 51 | filtermapclass::iterator filter_end = filters.end();
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| 52 | while (filter_here != filter_end) {
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| 53 | if ((*filter_here).second.f != NULL)
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| 54 | delete (*filter_here).second.f;
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| 55 | filter_here++;
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| 56 | }
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| 57 | filters.clear();
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[166] | 58 | }
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| 59 |
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| 60 | // configure should be called for each line in the
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| 61 | // configuration files to configure the collection server and everything
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| 62 | // it contains. The configuration should take place just before initialisation.
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| 63 | void collectserver::configure (const text_t &key, const text_tarray &cfgline) {
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[226] | 64 | if (cfgline.size() >= 1) {
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[166] | 65 | const text_t &value = cfgline[0];
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| 66 | if (key == "gsdlhome") configinfo.gsdlhome = value;
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[804] | 67 | else if (key == "gdbmhome") configinfo.gdbmhome = value;
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[166] | 68 | else if (key == "collection") {
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| 69 | configinfo.collection = value;
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| 70 | collectinfo.shortInfo.name = value;
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| 71 | } else if (key == "collectdir") configinfo.collectdir = value;
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| 72 | else if (key == "host") collectinfo.shortInfo.host = value;
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| 73 | else if (key == "port") collectinfo.shortInfo.port = value.getint();
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| 74 | else if (key == "public") {
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| 75 | if (value == "true") collectinfo.isPublic = true;
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| 76 | else collectinfo.isPublic = false;
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| 77 | } else if (key == "beta") {
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| 78 | if (value == "true") collectinfo.isBeta = true;
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| 79 | else collectinfo.isBeta = false;
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[2712] | 80 | } else if ((key == "ccscols") || (key == "supercollection")) collectinfo.ccsCols = cfgline;
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[830] | 81 | else if (key == "builddate") collectinfo.buildDate = value.getint();
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[166] | 82 | else if (key == "languages") collectinfo.languages = cfgline;
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| 83 | else if (key == "numdocs") collectinfo.numDocs = value.getint();
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[1253] | 84 | else if (key == "numsections") collectinfo.numSections = value.getint();
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[166] | 85 | else if (key == "numwords") collectinfo.numWords = value.getint();
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| 86 | else if (key == "numbytes") collectinfo.numBytes = value.getint();
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[8453] | 87 | else if (key == "collectionmeta") {
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| 88 | if (cfgline.size() == 2)
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| 89 | collectinfo.collectionmeta[cfgline[0]] = cfgline[1];
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| 90 | else if (cfgline.size() == 3 &&
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| 91 | collectinfo.collectionmeta[cfgline[0]].empty() )
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| 92 | collectinfo.collectionmeta[cfgline[0]] = cfgline[2];
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| 93 | } else if (key == "collectionmacro") {
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| 94 | if (cfgline.size() == 2) // no params for this macro
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| 95 | collectinfo.collection_macros
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| 96 | .insert( make_pair(cfgline[0], make_pair(g_EmptyText,cfgline[1])) );
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| 97 | else if (cfgline.size() == 3) {// has params
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| 98 | // strip [ ] brackets from params
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| 99 | text_t::const_iterator first=cfgline[1].begin()+1;
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| 100 | text_t::const_iterator last=cfgline[1].end()-1;
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| 101 | text_t nobrackets=substr(first, last);
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| 102 | collectinfo.collection_macros
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| 103 | .insert( make_pair(cfgline[0], make_pair(nobrackets,cfgline[2])) );
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| 104 | }
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| 105 | } else if (key == "format" && cfgline.size() == 2)
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[352] | 106 | collectinfo.format[cfgline[0]] = cfgline[1];
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[722] | 107 | else if (key == "building" && cfgline.size() == 2)
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| 108 | collectinfo.building[cfgline[0]] = cfgline[1];
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[1860] | 109 | else if (key == "httpdomain") collectinfo.httpdomain = value;
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| 110 | else if (key == "httpprefix") collectinfo.httpprefix = value;
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[432] | 111 | else if (key == "receptionist") collectinfo.receptionist = value;
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[1318] | 112 | else if (key == "buildtype") collectinfo.buildType = value;
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[4751] | 113 | else if (key == "searchtype") { // means buildtype is mgpp
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| 114 | collectinfo.buildType = "mgpp";
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| 115 | collectinfo.searchTypes = cfgline;
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| 116 | }
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[6584] | 117 | else if (key == "separate_cjk") {
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| 118 | if (value == "true") collectinfo.isSegmented = true;
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| 119 | else collectinfo.isSegmented = false;
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| 120 | }
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[4974] | 121 | // What have we set in our collect.cfg file : document or collection ?
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[5024] | 122 | else if (key == "authenticate") collectinfo.authenticate = value;
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[4974] | 123 |
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| 124 | // What have we set for our group list
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| 125 | else if (key == "auth_group")
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| 126 | {
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| 127 | // use the joinchar helper function from
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| 128 | // text_t.h, it takes in the whole cfgline
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| 129 | // array and a separator aka a comma in our
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| 130 | // case and returns a sting separated by a
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| 131 | // comma like this:
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| 132 | //
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| 133 | // Rene,Kolla,Crystal,Stefan,Aly,Ian
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| 134 |
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| 135 | joinchar(cfgline,',',collectinfo.auth_group);
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[5024] | 136 |
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| 137 | //outconvertclass t;
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[4974] | 138 | //cerr << t << collectinfo.auth_group << "\n";
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| 139 | }
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| 140 |
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| 141 | // In the map the key-value pair contain the same
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[5024] | 142 | // data i.e key == data, if key is 2 then data is 2
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[4974] | 143 |
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[5024] | 144 | // What have we set for our public_documents ACL
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| 145 | else if (key == "public_documents")
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[4974] | 146 | {
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| 147 | text_tarray::const_iterator begin = cfgline.begin();
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| 148 | text_tarray::const_iterator end = cfgline.end();
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| 149 | while(begin != end)
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| 150 | {
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[5024] | 151 | // key = data i.e if key is 2 then data is 2
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| 152 | // collectinfo.public_documents[*begin] is the key
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| 153 | // *begin is the data value
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| 154 |
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| 155 | collectinfo.public_documents[*begin] = *begin;
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[4974] | 156 | begin++;
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| 157 | }
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| 158 | }
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| 159 |
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[5024] | 160 | // What have we set for our private_documents ACL
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| 161 | else if (key == "private_documents")
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[4974] | 162 | {
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| 163 | text_tarray::const_iterator begin = cfgline.begin();
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| 164 | text_tarray::const_iterator end = cfgline.end();
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| 165 | while(begin != end)
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| 166 | {
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[5024] | 167 | // key = data i.e if key is 2 then data is 2
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| 168 | // collectinfo.public_documents[*begin] is the key
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| 169 | // *begin is the data value
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| 170 |
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| 171 | collectinfo.private_documents[*begin] = *begin;
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[4974] | 172 | begin++;
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| 173 | }
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| 174 | }
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[226] | 175 | }
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[191] | 176 |
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[226] | 177 | // configure the filters
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| 178 | filtermapclass::iterator filter_here = filters.begin();
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| 179 | filtermapclass::iterator filter_end = filters.end();
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| 180 | while (filter_here != filter_end) {
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| 181 | assert ((*filter_here).second.f != NULL);
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| 182 | if ((*filter_here).second.f != NULL)
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| 183 | (*filter_here).second.f->configure(key, cfgline);
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[191] | 184 |
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[226] | 185 | filter_here++;
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[166] | 186 | }
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[226] | 187 |
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| 188 | // configure the sources
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| 189 | sourcelistclass::iterator source_here = sources.begin();
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| 190 | sourcelistclass::iterator source_end = sources.end();
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| 191 | while (source_here != source_end) {
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| 192 | assert ((*source_here).s != NULL);
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| 193 | if ((*source_here).s != NULL)
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| 194 | (*source_here).s->configure(key, cfgline);
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| 195 |
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| 196 | source_here++;
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| 197 | }
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[166] | 198 | }
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| 199 |
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| 200 | void collectserver::configure (const text_t &key, const text_t &value) {
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| 201 | text_tarray cfgline;
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| 202 | cfgline.push_back (value);
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| 203 | configure(key, cfgline);
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| 204 | }
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| 205 |
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[2173] | 206 | void collectserver::ping (bool &wasSuccess, comerror_t &error, ostream &logout) {
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| 207 | // if we've not been properly configured, then it is a foregone
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| 208 | // conclusion that we cannot be active
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| 209 | if (this->configinfo.collection == "null")
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| 210 | {
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| 211 | wasSuccess = false;
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| 212 | }
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| 213 | // if no build date exists, then the collection was probably not built;
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| 214 | // ditto if the number of documents is zero, then something is pretty
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| 215 | // wrong
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| 216 | else if (this->collectinfo.buildDate == 0 ||
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| 217 | this->collectinfo.numDocs == 0)
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| 218 | {
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| 219 | wasSuccess = false;
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| 220 | }
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| 221 | // it is probably okay
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| 222 | else
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| 223 | wasSuccess = true;
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| 224 | }
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[166] | 225 |
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[2173] | 226 |
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[226] | 227 | bool collectserver::init (ostream &logout) {
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| 228 | // init the filters
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| 229 | filtermapclass::iterator filter_here = filters.begin();
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| 230 | filtermapclass::iterator filter_end = filters.end();
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| 231 | while (filter_here != filter_end) {
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| 232 | assert ((*filter_here).second.f != NULL);
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| 233 | if (((*filter_here).second.f != NULL) &&
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| 234 | !(*filter_here).second.f->init(logout)) return false;
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| 235 |
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| 236 | filter_here++;
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| 237 | }
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| 238 |
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| 239 | // init the sources
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| 240 | sourcelistclass::iterator source_here = sources.begin();
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| 241 | sourcelistclass::iterator source_end = sources.end();
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| 242 | while (source_here != source_end) {
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| 243 | assert ((*source_here).s != NULL);
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| 244 | if (((*source_here).s != NULL) &&
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| 245 | !(*source_here).s->init(logout)) return false;
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| 246 |
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| 247 | source_here++;
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| 248 | }
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| 249 |
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[166] | 250 | return true;
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| 251 | }
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| 252 |
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| 253 |
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[186] | 254 | void collectserver::get_collectinfo (ColInfoResponse_t &reponse,
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| 255 | comerror_t &err, ostream &/*logout*/) {
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| 256 | reponse = collectinfo;
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| 257 | err = noError;
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| 258 | }
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[166] | 259 |
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[226] | 260 | void collectserver::get_filterinfo (InfoFiltersResponse_t &response,
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[220] | 261 | comerror_t &err, ostream &/*logout*/) {
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[226] | 262 | response.clear ();
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| 263 |
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| 264 | // get a list of filter names
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| 265 | filtermapclass::iterator filter_here = filters.begin();
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| 266 | filtermapclass::iterator filter_end = filters.end();
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| 267 | while (filter_here != filter_end) {
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| 268 | response.filterNames.insert ((*filter_here).first);
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| 269 | filter_here++;
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| 270 | }
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| 271 |
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| 272 | err = noError;
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[220] | 273 | }
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| 274 |
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[226] | 275 | void collectserver::get_filteroptions (const InfoFilterOptionsRequest_t &request,
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[220] | 276 | InfoFilterOptionsResponse_t &response,
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[226] | 277 | comerror_t &err, ostream &logout) {
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| 278 | outconvertclass text_t2ascii;
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| 279 |
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| 280 | filterclass *thisfilter = filters.getfilter(request.filterName);
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| 281 | if (thisfilter != NULL) {
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| 282 | thisfilter->get_filteroptions (response, err, logout);
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| 283 | } else {
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| 284 | response.clear ();
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| 285 | err = protocolError;
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| 286 | logout << text_t2ascii << "Protocol Error: filter options requested for non-existent\n"
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| 287 | << "filter \"" << request.filterName << "\".\n\n";
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| 288 | }
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[186] | 289 | }
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| 290 |
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[249] | 291 | void collectserver::filter (FilterRequest_t &request,
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[186] | 292 | FilterResponse_t &response,
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[226] | 293 | comerror_t &err, ostream &logout) {
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| 294 | outconvertclass text_t2ascii;
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| 295 |
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[249] | 296 | // translate any ".fc", ".pr" etc. stuff in the docSet
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| 297 | text_t translatedOID;
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[472] | 298 | text_tarray translatedOIDs;
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| 299 | text_tarray::iterator doc_here = request.docSet.begin();
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| 300 | text_tarray::iterator doc_end = request.docSet.end();
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[249] | 301 | while (doc_here != doc_end) {
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| 302 | if (needs_translating (*doc_here)) {
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| 303 | sourcelistclass::iterator source_here = sources.begin();
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| 304 | sourcelistclass::iterator source_end = sources.end();
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| 305 | while (source_here != source_end) {
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| 306 | assert ((*source_here).s != NULL);
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| 307 | if (((*source_here).s != NULL) &&
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| 308 | ((*source_here).s->translate_OID (*doc_here, translatedOID, err, logout))) {
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| 309 | if (err != noError) return;
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| 310 | break;
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| 311 | }
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| 312 | source_here++;
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| 313 | }
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[472] | 314 | translatedOIDs.push_back (translatedOID);
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[249] | 315 | } else {
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[472] | 316 | translatedOIDs.push_back (*doc_here);
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[249] | 317 | }
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| 318 | doc_here ++;
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| 319 | }
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| 320 | request.docSet = translatedOIDs;
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| 321 |
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[196] | 322 | response.clear();
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[650] | 323 |
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[226] | 324 | filterclass *thisfilter = filters.getfilter(request.filterName);
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| 325 | if (thisfilter != NULL) {
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| 326 | // filter the data
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| 327 | thisfilter->filter (request, response, err, logout);
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[4216] | 328 | if (err != noError) return;
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[226] | 329 | // fill in the metadata for each of the OIDs (if it is requested)
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| 330 | if (request.filterResultOptions & FRmetadata) {
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[466] | 331 | bool processed = false;
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[226] | 332 | ResultDocInfo_tarray::iterator resultdoc_here = response.docInfo.begin();
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| 333 | ResultDocInfo_tarray::iterator resultdoc_end = response.docInfo.end();
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| 334 | while (resultdoc_here != resultdoc_end) {
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| 335 | // try each of the sources in turn
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| 336 | sourcelistclass::iterator source_here = sources.begin();
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| 337 | sourcelistclass::iterator source_end = sources.end();
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| 338 | while (source_here != source_end) {
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| 339 | assert ((*source_here).s != NULL);
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| 340 | if (((*source_here).s != NULL) &&
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| 341 | ((*source_here).s->get_metadata(request.requestParams, request.refParams,
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[271] | 342 | request.getParents, request.fields,
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| 343 | (*resultdoc_here).OID, (*resultdoc_here).metadata,
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| 344 | err, logout))) {
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[226] | 345 | if (err != noError) return;
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[466] | 346 | processed = true;
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[226] | 347 | break;
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| 348 | }
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| 349 | source_here++;
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| 350 | }
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[466] | 351 | if (!processed) {
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| 352 | err = protocolError;
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| 353 | return;
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| 354 | }
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[226] | 355 | resultdoc_here++;
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| 356 | }
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| 357 | }
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[196] | 358 |
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[191] | 359 | } else {
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[226] | 360 | response.clear ();
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[196] | 361 | err = protocolError;
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[226] | 362 | logout << text_t2ascii << "Protocol Error: filter options requested for non-existent\n"
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| 363 | << "filter \"" << request.filterName << "\".\n\n";
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[191] | 364 | }
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[226] | 365 |
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[186] | 366 | err = noError;
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| 367 | }
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| 368 |
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[259] | 369 | void collectserver::get_document (const DocumentRequest_t &request,
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| 370 | DocumentResponse_t &response,
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| 371 | comerror_t &err, ostream &logout) {
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[196] | 372 |
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[259] | 373 | sourcelistclass::iterator source_here = sources.begin();
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| 374 | sourcelistclass::iterator source_end = sources.end();
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| 375 | while (source_here != source_end) {
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| 376 | assert ((*source_here).s != NULL);
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| 377 | if (((*source_here).s != NULL) &&
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| 378 | ((*source_here).s->get_document (request.OID, response.doc, err, logout))) {
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| 379 | if (err != noError) return;
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| 380 | break;
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| 381 | }
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| 382 | source_here++;
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| 383 | }
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| 384 | }
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[186] | 385 |
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[4774] | 386 | void collectserver::is_searchable (bool &issearchable, comerror_t &err,
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| 387 | ostream &logout) {
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[492] | 388 |
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[4774] | 389 | sourcelistclass::iterator source_here = sources.begin();
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| 390 | sourcelistclass::iterator source_end = sources.end();
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| 391 | while (source_here != source_end) {
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| 392 | assert ((*source_here).s != NULL);
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| 393 | if (((*source_here).s != NULL) &&
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| 394 | ((*source_here).s->is_searchable (issearchable, err, logout))) {
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| 395 | if (err != noError) return;
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| 396 | break;
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| 397 | }
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| 398 | source_here++;
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| 399 | }
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| 400 | }
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| 401 |
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| 402 |
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[492] | 403 | bool operator==(const collectserverptr &x, const collectserverptr &y) {
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| 404 | return (x.c == y.c);
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| 405 | }
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| 406 |
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| 407 | bool operator<(const collectserverptr &x, const collectserverptr &y) {
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| 408 | return (x.c < y.c);
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| 409 | }
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| 410 |
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| 411 |
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[166] | 412 | // thecollectserver remains the property of the calling code but
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| 413 | // should not be deleted until it is removed from this list.
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| 414 | void collectservermapclass::addcollectserver (collectserver *thecollectserver) {
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| 415 | // can't add a null collection server
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| 416 | assert (thecollectserver != NULL);
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| 417 | if (thecollectserver == NULL) return;
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| 418 |
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| 419 | // can't add an collection server with no collection name
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| 420 | assert (!(thecollectserver->get_collection_name()).empty());
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| 421 | if ((thecollectserver->get_collection_name()).empty()) return;
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| 422 |
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| 423 | collectserverptr cptr;
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| 424 | cptr.c = thecollectserver;
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| 425 | collectserverptrs[thecollectserver->get_collection_name()] = cptr;
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| 426 | }
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| 427 |
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| 428 | // getcollectserver will return NULL if the collectserver could not be found
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| 429 | collectserver *collectservermapclass::getcollectserver (const text_t &collection) {
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| 430 | // can't find a collection with no name
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| 431 | if (collection.empty()) return NULL;
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| 432 |
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| 433 | iterator here = collectserverptrs.find (collection);
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| 434 | if (here == collectserverptrs.end()) return NULL;
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| 435 |
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| 436 | return (*here).second.c;
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| 437 | }
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