Parent: [cecd1b] (diff)

Download this file

dynconf.cpp    227 lines (195 with data), 5.8 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
/* Copyright (C) 2005 J.F.Dockes
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef TEST_HISTORY
#include "safeunistd.h"
#include "dynconf.h"
#include "base64.h"
#include "smallut.h"
#include "log.h"
using namespace std;
// Well known keys for history and external indexes.
const string docHistSubKey = "docs";
const string allEdbsSk = "allExtDbs";
const string actEdbsSk = "actExtDbs";
const string advSearchHistSk = "advSearchHist";
RclDynConf::RclDynConf(const std::string &fn)
: m_data(fn.c_str())
{
if (m_data.getStatus() != ConfSimple::STATUS_RW) {
// Maybe the config dir is readonly, in which case we try to
// open readonly, but we must also handle the case where the
// history file does not exist
if (access(fn.c_str(), 0) != 0) {
m_data = ConfSimple(string(), 1);
} else {
m_data = ConfSimple(fn.c_str(), 1);
}
}
}
bool RclDynConf::insertNew(const string &sk, DynConfEntry &n, DynConfEntry &s,
int maxlen)
{
if (!rw()) {
LOGDEB("RclDynConf::insertNew: not writable\n");
return false;
}
// Is this doc already in list ? If it is we remove the old entry
vector<string> names = m_data.getNames(sk);
vector<string>::const_iterator it;
bool changed = false;
for (it = names.begin(); it != names.end(); it++) {
string oval;
if (!m_data.get(*it, oval, sk)) {
LOGDEB("No data for " << *it << "\n");
continue;
}
s.decode(oval);
if (s.equal(n)) {
LOGDEB("Erasing old entry\n");
m_data.erase(*it, sk);
changed = true;
}
}
// Maybe reget things
if (changed)
names = m_data.getNames(sk);
// Need to prune ?
if (maxlen > 0 && names.size() >= (unsigned int)maxlen) {
// Need to erase entries until we're back to size. Note that
// we don't ever reset numbers. Problems will arise when
// history is 4 billion entries old
it = names.begin();
for (unsigned int i = 0; i < names.size() - maxlen + 1; i++, it++) {
m_data.erase(*it, sk);
}
}
// Increment highest number
unsigned int hi = names.empty() ? 0 :
(unsigned int)atoi(names.back().c_str());
hi++;
char nname[20];
sprintf(nname, "%010u", hi);
string value;
n.encode(value);
LOGDEB1("Encoded value [" << value << "] (" << value.size() << ")\n");
if (!m_data.set(string(nname), value, sk)) {
LOGERR("RclDynConf::insertNew: set failed\n");
return false;
}
return true;
}
bool RclDynConf::eraseAll(const string &sk)
{
if (!rw()) {
LOGDEB("RclDynConf::eraseAll: not writable\n");
return false;
}
for (const auto& nm : m_data.getNames(sk)) {
m_data.erase(nm, sk);
}
return true;
}
// Specialization for plain strings ///////////////////////////////////
bool RclDynConf::enterString(const string sk, const string value, int maxlen)
{
if (!rw()) {
LOGDEB("RclDynConf::enterString: not writable\n");
return false;
}
RclSListEntry ne(value);
RclSListEntry scratch;
return insertNew(sk, ne, scratch, maxlen);
}
#else
#include <string>
#include <iostream>
#include "history.h"
#include "log.h"
#ifndef NO_NAMESPACES
using namespace std;
#endif
static string thisprog;
static string usage =
"trhist [opts] <filename>\n"
" [-s <subkey>]: specify subkey (default: RclDynConf::docHistSubKey)\n"
" [-e] : erase all\n"
" [-a <string>] enter string (needs -s, no good for history entries\n"
"\n"
;
static void
Usage(void)
{
cerr << thisprog << ": usage:\n" << usage;
exit(1);
}
static int op_flags;
#define OPT_e 0x2
#define OPT_s 0x4
#define OPT_a 0x8
int main(int argc, char **argv)
{
string sk = "docs";
string value;
thisprog = argv[0];
argc--; argv++;
while (argc > 0 && **argv == '-') {
(*argv)++;
if (!(**argv))
/* Cas du "adb - core" */
Usage();
while (**argv)
switch (*(*argv)++) {
case 'a': op_flags |= OPT_a; if (argc < 2) Usage();
value = *(++argv); argc--;
goto b1;
case 's': op_flags |= OPT_s; if (argc < 2) Usage();
sk = *(++argv); argc--;
goto b1;
case 'e': op_flags |= OPT_e; break;
default: Usage(); break;
}
b1: argc--; argv++;
}
if (argc != 1)
Usage();
string filename = *argv++;argc--;
RclDynConf hist(filename, 5);
DebugLog::getdbl()->setloglevel(DEBDEB1);
DebugLog::setfilename("stderr");
if (op_flags & OPT_e) {
hist.eraseAll(sk);
} else if (op_flags & OPT_a) {
if (!(op_flags & OPT_s))
Usage();
hist.enterString(sk, value);
} else {
for (int i = 0; i < 10; i++) {
char docname[200];
sprintf(docname, "A very long document document name"
"is very long indeed and this is the end of "
"it here and exactly here:\n%d", i);
hist.enterDoc(string(docname), "ipathx");
}
list<RclDHistoryEntry> hlist = hist.getDocHistory();
for (list<RclDHistoryEntry>::const_iterator it = hlist.begin();
it != hlist.end(); it++) {
printf("[%ld] [%s] [%s]\n", it->unixtime,
it->fn.c_str(), it->ipath.c_str());
}
}
}
#endif