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
|
#include "ntdb-source.h"
#include "tap-interface.h"
#include "logging.h"
#define NUM_RECORDS 1000
/* We use the same seed which we saw a failure on. */
static uint32_t fixedhash(const void *key, size_t len, uint32_t seed, void *p)
{
return hash64_stable((const unsigned char *)key, len,
*(uint64_t *)p);
}
static bool store_records(struct ntdb_context *ntdb)
{
int i;
NTDB_DATA key = { (unsigned char *)&i, sizeof(i) };
NTDB_DATA data = { (unsigned char *)&i, sizeof(i) };
for (i = 0; i < NUM_RECORDS; i++)
if (ntdb_store(ntdb, key, data, NTDB_REPLACE) != 0)
return false;
return true;
}
struct trav_data {
unsigned int calls, call_limit;
int low, high;
bool mismatch;
bool delete;
enum NTDB_ERROR delete_error;
};
static int trav(struct ntdb_context *ntdb, NTDB_DATA key, NTDB_DATA dbuf,
struct trav_data *td)
{
int val;
td->calls++;
if (key.dsize != sizeof(val) || dbuf.dsize != sizeof(val)
|| memcmp(key.dptr, dbuf.dptr, key.dsize) != 0) {
td->mismatch = true;
return -1;
}
memcpy(&val, dbuf.dptr, dbuf.dsize);
if (val < td->low)
td->low = val;
if (val > td->high)
td->high = val;
if (td->delete) {
td->delete_error = ntdb_delete(ntdb, key);
if (td->delete_error != NTDB_SUCCESS) {
return -1;
}
}
if (td->calls == td->call_limit)
return 1;
return 0;
}
struct trav_grow_data {
unsigned int calls;
unsigned int num_large;
bool mismatch;
enum NTDB_ERROR error;
};
static int trav_grow(struct ntdb_context *ntdb, NTDB_DATA key, NTDB_DATA dbuf,
struct trav_grow_data *tgd)
{
int val;
unsigned char buffer[128] = { 0 };
tgd->calls++;
if (key.dsize != sizeof(val) || dbuf.dsize < sizeof(val)
|| memcmp(key.dptr, dbuf.dptr, key.dsize) != 0) {
tgd->mismatch = true;
return -1;
}
if (dbuf.dsize > sizeof(val))
/* We must have seen this before! */
tgd->num_large++;
/* Make a big difference to the database. */
dbuf.dptr = buffer;
dbuf.dsize = sizeof(buffer);
tgd->error = ntdb_append(ntdb, key, dbuf);
if (tgd->error != NTDB_SUCCESS) {
return -1;
}
return 0;
}
int main(int argc, char *argv[])
{
unsigned int i;
int num;
struct trav_data td;
struct trav_grow_data tgd;
struct ntdb_context *ntdb;
uint64_t seed = 16014841315512641303ULL;
int flags[] = { NTDB_INTERNAL, NTDB_DEFAULT, NTDB_NOMMAP,
NTDB_INTERNAL|NTDB_CONVERT, NTDB_CONVERT,
NTDB_NOMMAP|NTDB_CONVERT };
union ntdb_attribute hattr = { .hash = { .base = { NTDB_ATTRIBUTE_HASH },
.fn = fixedhash,
.data = &seed } };
hattr.base.next = &tap_log_attr;
plan_tests(sizeof(flags) / sizeof(flags[0]) * 32 + 1);
for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
ntdb = ntdb_open("run-traverse.ntdb", flags[i]|MAYBE_NOSYNC,
O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
ok1(ntdb);
if (!ntdb)
continue;
ok1(ntdb_traverse(ntdb, NULL, NULL) == 0);
ok1(store_records(ntdb));
num = ntdb_traverse(ntdb, NULL, NULL);
ok1(num == NUM_RECORDS);
/* Full traverse. */
td.calls = 0;
td.call_limit = UINT_MAX;
td.low = INT_MAX;
td.high = INT_MIN;
td.mismatch = false;
td.delete = false;
num = ntdb_traverse(ntdb, trav, &td);
ok1(num == NUM_RECORDS);
ok1(!td.mismatch);
ok1(td.calls == NUM_RECORDS);
ok1(td.low == 0);
ok1(td.high == NUM_RECORDS-1);
/* Short traverse. */
td.calls = 0;
td.call_limit = NUM_RECORDS / 2;
td.low = INT_MAX;
td.high = INT_MIN;
td.mismatch = false;
td.delete = false;
num = ntdb_traverse(ntdb, trav, &td);
ok1(num == NUM_RECORDS / 2);
ok1(!td.mismatch);
ok1(td.calls == NUM_RECORDS / 2);
ok1(td.low <= NUM_RECORDS / 2);
ok1(td.high > NUM_RECORDS / 2);
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
ok1(tap_log_messages == 0);
/* Deleting traverse (delete everything). */
td.calls = 0;
td.call_limit = UINT_MAX;
td.low = INT_MAX;
td.high = INT_MIN;
td.mismatch = false;
td.delete = true;
td.delete_error = NTDB_SUCCESS;
num = ntdb_traverse(ntdb, trav, &td);
ok1(num == NUM_RECORDS);
ok1(td.delete_error == NTDB_SUCCESS);
ok1(!td.mismatch);
ok1(td.calls == NUM_RECORDS);
ok1(td.low == 0);
ok1(td.high == NUM_RECORDS - 1);
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
/* Now it's empty! */
ok1(ntdb_traverse(ntdb, NULL, NULL) == 0);
/* Re-add. */
ok1(store_records(ntdb));
ok1(ntdb_traverse(ntdb, NULL, NULL) == NUM_RECORDS);
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
/* Grow. This will cause us to be reshuffled. */
tgd.calls = 0;
tgd.num_large = 0;
tgd.mismatch = false;
tgd.error = NTDB_SUCCESS;
ok1(ntdb_traverse(ntdb, trav_grow, &tgd) > 1);
ok1(tgd.error == 0);
ok1(!tgd.mismatch);
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
ok1(tgd.num_large < tgd.calls);
diag("growing db: %u calls, %u repeats",
tgd.calls, tgd.num_large);
ntdb_close(ntdb);
}
ok1(tap_log_messages == 0);
return exit_status();
}
|
