source: trunk/server/source3/registry/reg_backend_perflib.c

Last change on this file was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 3.5 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * Virtual Windows Registry Layer
4 * Copyright (C) Gerald Carter 2002-2005
5 * Copyright (C) Michael Adam 2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21/*
22 * perflib registry backend.
23 *
24 * This is a virtual overlay, dynamically presenting perflib values.
25 */
26
27#include "includes.h"
28#include "registry.h"
29#include "reg_util_internal.h"
30#include "reg_perfcount.h"
31#include "reg_objects.h"
32
33#undef DBGC_CLASS
34#define DBGC_CLASS DBGC_REGISTRY
35
36extern struct registry_ops regdb_ops;
37
38#define KEY_PERFLIB_NORM "HKLM\\SOFTWARE\\MICROSOFT\\WINDOWS NT\\CURRENTVERSION\\PERFLIB"
39#define KEY_PERFLIB_009_NORM "HKLM\\SOFTWARE\\MICROSOFT\\WINDOWS NT\\CURRENTVERSION\\PERFLIB\\009"
40
41static int perflib_params(struct regval_ctr *regvals)
42{
43 int base_index = -1;
44 int last_counter = -1;
45 int last_help = -1;
46 int version = 0x00010001;
47
48 base_index = reg_perfcount_get_base_index();
49 regval_ctr_addvalue(regvals, "Base Index", REG_DWORD, (uint8_t *)&base_index, sizeof(base_index));
50 last_counter = reg_perfcount_get_last_counter(base_index);
51 regval_ctr_addvalue(regvals, "Last Counter", REG_DWORD, (uint8_t *)&last_counter, sizeof(last_counter));
52 last_help = reg_perfcount_get_last_help(last_counter);
53 regval_ctr_addvalue(regvals, "Last Help", REG_DWORD, (uint8_t *)&last_help, sizeof(last_help));
54 regval_ctr_addvalue(regvals, "Version", REG_DWORD, (uint8_t *)&version, sizeof(version));
55
56 return regval_ctr_numvals( regvals );
57}
58
59static int perflib_009_params(struct regval_ctr *regvals)
60{
61 int base_index;
62 int buffer_size;
63 char *buffer = NULL;
64
65 base_index = reg_perfcount_get_base_index();
66 buffer_size = reg_perfcount_get_counter_names(base_index, &buffer);
67 regval_ctr_addvalue(regvals, "Counter", REG_MULTI_SZ, (uint8_t *)buffer, buffer_size);
68 if(buffer_size > 0)
69 SAFE_FREE(buffer);
70 buffer_size = reg_perfcount_get_counter_help(base_index, &buffer);
71 regval_ctr_addvalue(regvals, "Help", REG_MULTI_SZ, (uint8_t *)buffer, buffer_size);
72 if(buffer_size > 0)
73 SAFE_FREE(buffer);
74
75 return regval_ctr_numvals( regvals );
76}
77
78static int perflib_fetch_values(const char *key, struct regval_ctr *regvals)
79{
80 char *path = NULL;
81 TALLOC_CTX *ctx = talloc_tos();
82
83 path = talloc_strdup(ctx, key);
84 if (path == NULL) {
85 return -1;
86 }
87 path = normalize_reg_path(ctx, path);
88 if (path == NULL) {
89 return -1;
90 }
91
92 if (strncmp(path, KEY_PERFLIB_NORM, strlen(path)) == 0) {
93 return perflib_params(regvals);
94 } else if (strncmp(path, KEY_PERFLIB_009_NORM, strlen(path)) == 0) {
95 return perflib_009_params(regvals);
96 } else {
97 return 0;
98 }
99}
100
101static int perflib_fetch_subkeys(const char *key,
102 struct regsubkey_ctr *subkey_ctr)
103{
104 return regdb_ops.fetch_subkeys(key, subkey_ctr);
105}
106
107struct registry_ops perflib_reg_ops = {
108 .fetch_values = perflib_fetch_values,
109 .fetch_subkeys = perflib_fetch_subkeys,
110};
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