summaryrefslogtreecommitdiff
path: root/lib/tdb2/test/run-tdb1-incompatible.c
blob: e478900533484476511fee6931a7381a6b200f1b (plain)
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
#include "tdb2-source.h"
#include "tap-interface.h"
#include <stdlib.h>
#include <err.h>

static uint64_t tdb1_dumb_hash(const void *key, size_t len, uint64_t seed,
			       void *unused)
{
	return len;
}

static void log_fn(struct tdb_context *tdb, enum tdb_log_level level,
		   enum TDB_ERROR ecode, const char *message, void *priv)
{
	unsigned int *count = priv;
	if (strstr(message, "hash"))
		(*count)++;
}

static unsigned int hdr_rwlocks(const char *fname)
{
	struct tdb1_header hdr;

	int fd = open(fname, O_RDONLY);
	if (fd == -1)
		return -1;

	if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr))
		return -1;

	close(fd);
	return hdr.rwlocks;
}

static uint64_t jenkins_hashfn(const void *key, size_t len, uint64_t seed,
			       void *unused)
{
	return hashlittle(key, len);
}

static uint64_t old_hash(const void *key, size_t len, uint64_t seed,
			 void *unused)
{
	return tdb1_old_hash(key, len, seed, unused);
}

int main(int argc, char *argv[])
{
	struct tdb_context *tdb;
	unsigned int log_count, flags;
	TDB_DATA d;
	union tdb_attribute log_attr, jhash_attr, ohash_attr,
		incompat_hash_attr, dumbhash_attr;

	log_attr.base.attr = TDB_ATTRIBUTE_LOG;
	log_attr.base.next = NULL;
	log_attr.log.fn = log_fn;
	log_attr.log.data = &log_count;

	jhash_attr.base.attr = TDB_ATTRIBUTE_HASH;
	jhash_attr.base.next = &log_attr;
	jhash_attr.hash.fn = jenkins_hashfn;

	ohash_attr.base.attr = TDB_ATTRIBUTE_HASH;
	ohash_attr.base.next = &log_attr;
	ohash_attr.hash.fn = old_hash;

	incompat_hash_attr.base.attr = TDB_ATTRIBUTE_HASH;
	incompat_hash_attr.base.next = &log_attr;
	incompat_hash_attr.hash.fn = tdb1_incompatible_hash;

	dumbhash_attr.base.attr = TDB_ATTRIBUTE_HASH;
	dumbhash_attr.base.next = &log_attr;
	dumbhash_attr.hash.fn = tdb1_dumb_hash;

	plan_tests(42 * 2);

	for (flags = 0; flags <= TDB_CONVERT; flags += TDB_CONVERT) {
		unsigned int rwmagic = TDB1_HASH_RWLOCK_MAGIC;

		if (flags & TDB_CONVERT)
			tdb1_convert(&rwmagic, sizeof(rwmagic));

		/* Create an old-style hash. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1", flags|TDB_VERSION1,
			       O_CREAT|O_RDWR|O_TRUNC, 0600, &log_attr);
		ok1(tdb);
		ok1(log_count == 0);
		d = tdb_mkdata("Hello", strlen("Hello"));
		ok1(tdb_store(tdb, d, d, TDB_INSERT) == TDB_SUCCESS);
		tdb_close(tdb);

		/* Should not have marked rwlocks field. */
		ok1(hdr_rwlocks("run-incompatible.tdb1") == 0);

		/* We can still open any old-style with incompat hash. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1",
			       TDB_VERSION1,
			       O_RDWR, 0600, &incompat_hash_attr);
		ok1(tdb);
		ok1(log_count == 0);
		ok1(tdb_fetch(tdb, d, &d) == TDB_SUCCESS);
		ok1(d.dsize == 5);
		free(d.dptr);
		ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
		tdb_close(tdb);

		log_count = 0;
		tdb = tdb_open("test/jenkins-le-hash.tdb1",
			       TDB_VERSION1, O_RDONLY, 0, &jhash_attr);
		ok1(tdb);
		ok1(log_count == 0);
		ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
		tdb_close(tdb);

		log_count = 0;
		tdb = tdb_open("test/jenkins-be-hash.tdb1",
			       TDB_VERSION1, O_RDONLY, 0, &jhash_attr);
		ok1(tdb);
		ok1(log_count == 0);
		ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
		tdb_close(tdb);

		/* OK, now create with incompatible hash. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1",
			       flags|TDB_VERSION1,
			       O_CREAT|O_RDWR|O_TRUNC, 0600,
			       &incompat_hash_attr);
		ok1(tdb);
		ok1(log_count == 0);
		d = tdb_mkdata("Hello", strlen("Hello"));
		ok1(tdb_store(tdb, d, d, TDB_INSERT) == TDB_SUCCESS);
		tdb_close(tdb);

		/* Should have marked rwlocks field. */
		ok1(hdr_rwlocks("run-incompatible.tdb1") == rwmagic);

		/* Cannot open with old hash. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1", TDB_VERSION1,
			       O_RDWR, 0600, &ohash_attr);
		ok1(!tdb);
		ok1(log_count == 1);

		/* Can open with jenkins hash. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1", TDB_VERSION1,
			       O_RDWR, 0600, &jhash_attr);
		ok1(tdb);
		ok1(log_count == 0);
		ok1(tdb_fetch(tdb, d, &d) == TDB_SUCCESS);
		ok1(d.dsize == 5);
		free(d.dptr);
		ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
		tdb_close(tdb);

		/* Can open by letting it figure it out itself. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1", TDB_VERSION1,
			       O_RDWR, 0600, &log_attr);
		ok1(tdb);
		ok1(log_count == 0);
		d = tdb_mkdata("Hello", strlen("Hello"));
		ok1(tdb_fetch(tdb, d, &d) == TDB_SUCCESS);
		ok1(d.dsize == 5);
		free(d.dptr);
		ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
		tdb_close(tdb);

		/* FIXME: Not possible with TDB2 :( */
		/* We can also use incompatible hash with other hashes. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1",
			       flags|TDB_VERSION1,
			       O_CREAT|O_RDWR|O_TRUNC, 0600, &dumbhash_attr);
		ok1(tdb);
		ok1(log_count == 0);
		d = tdb_mkdata("Hello", strlen("Hello"));
		ok1(tdb_store(tdb, d, d, TDB_INSERT) == TDB_SUCCESS);
		tdb_close(tdb);

		/* FIXME: Should have marked rwlocks field. */
		ok1(hdr_rwlocks("run-incompatible.tdb1") != rwmagic);

		/* It should not open if we don't specify. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1", TDB_VERSION1, O_RDWR, 0,
			       &log_attr);
		ok1(!tdb);
		ok1(log_count == 1);

		/* Should reopen with correct hash. */
		log_count = 0;
		tdb = tdb_open("run-incompatible.tdb1", TDB_VERSION1, O_RDWR, 0,
			       &dumbhash_attr);
		ok1(tdb);
		ok1(log_count == 0);
		ok1(tdb_fetch(tdb, d, &d) == TDB_SUCCESS);
		ok1(d.dsize == 5);
		free(d.dptr);
		ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
		tdb_close(tdb);
	}

	return exit_status();
}