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
|
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* cached_directory.cc
*
* @brief
* Implementation of CachedDirectory class.
*/
#include <config.h>
#include <dirent.h>
#include <drizzled/definitions.h>
#include <boost/foreach.hpp>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <strings.h>
#include <limits.h>
#include <drizzled/cached_directory.h>
#include <drizzled/util/find_ptr.h>
#include <drizzled/error_t.h>
#include <drizzled/error.h>
#include <drizzled/errmsg_print.h>
using namespace std;
using namespace drizzled;
namespace drizzled {
CachedDirectory::CachedDirectory() :
error(0)
{
}
CachedDirectory::CachedDirectory(const string &in_path) :
error(0),
use_full_path(false)
{
// TODO: Toss future exception
(void) open(in_path);
}
CachedDirectory::CachedDirectory(const string& in_path, set<string>& allowed_exts) :
error(0),
use_full_path(false)
{
// TODO: Toss future exception
(void) open(in_path, allowed_exts);
}
CachedDirectory::CachedDirectory(const string& in_path, enum CachedDirectory::FILTER filter, bool use_full_path_arg) :
error(0),
use_full_path(use_full_path_arg)
{
set<string> empty;
// TODO: Toss future exception
(void) open(in_path, empty, filter);
}
CachedDirectory::~CachedDirectory()
{
BOOST_FOREACH(Entries::reference iter, entries)
delete iter;
}
bool CachedDirectory::open(const string &in_path)
{
set<string> empty;
return open(in_path, empty);
}
bool CachedDirectory::open(const string &in_path, set<string> &allowed_exts)
{
return open(in_path, allowed_exts, CachedDirectory::NONE);
}
bool CachedDirectory::open(const string &in_path, set<string> &allowed_exts, enum CachedDirectory::FILTER filter)
{
DIR *dirp= opendir(in_path.c_str());
if (dirp == NULL)
{
error= errno;
return false;
}
path= in_path;
union {
dirent entry;
#ifdef __sun
/*
* The readdir_r() call on Solaris operates a bit differently from other
* systems in that the dirent structure must be allocated along with enough
* space to contain the filename (see man page for readdir_r on Solaris).
* Instead of dynamically try to allocate this buffer, just set the max
* name for a path instead.
*/
char space[sizeof(dirent) + PATH_MAX + 1];
#endif
} buffer;
int retcode;
dirent *result;
while ((retcode= readdir_r(dirp, &buffer.entry, &result)) == 0 &&
result != NULL)
{
std::string buffered_fullpath;
if (not allowed_exts.empty())
{
char *ptr= rindex(result->d_name, '.');
if (ptr && allowed_exts.count(ptr))
{
entries.push_back(new Entry(result->d_name));
}
}
else
{
switch (filter)
{
case DIRECTORY:
{
struct stat entrystat;
if (result->d_name[0] == '.') // We don't pass back anything hidden at the moment.
continue;
if (use_full_path)
{
buffered_fullpath.append(in_path);
if (buffered_fullpath[buffered_fullpath.length()] != '/')
buffered_fullpath.append(1, FN_LIBCHAR);
}
buffered_fullpath.append(result->d_name);
int err= stat(buffered_fullpath.c_str(), &entrystat);
if (err != 0)
errmsg_printf(error::WARN, ER(ER_CANT_GET_STAT),
buffered_fullpath.c_str(),
errno);
if (err == 0 && S_ISDIR(entrystat.st_mode))
{
entries.push_back(new Entry(result->d_name));
}
}
break;
case FILE:
{
struct stat entrystat;
buffered_fullpath.append(in_path);
if (buffered_fullpath[buffered_fullpath.length() - 1] != '/')
buffered_fullpath.append(1, FN_LIBCHAR);
buffered_fullpath= result->d_name;
stat(buffered_fullpath.c_str(), &entrystat);
if (S_ISREG(entrystat.st_mode))
{
entries.push_back(new Entry(result->d_name));
}
}
break;
case NONE:
case MAX:
entries.push_back(new Entry(result->d_name));
break;
}
}
}
closedir(dirp);
error= retcode;
return error == 0;
}
std::ostream& operator<<(std::ostream& output, const CachedDirectory &directory)
{
output << "CachedDirectory:(Path: " << directory.getPath() << ")\n";
BOOST_FOREACH(const CachedDirectory::Entry* iter, directory.getEntries())
output << "\t(" << iter->filename << ")\n";
return output;
}
} /* namespace drizzled */
|