summaryrefslogtreecommitdiff
path: root/lib/tdb/test/run-incompatible.c
blob: 6097026b49a452521ab4b7a49d3ae4f3b01ad69d (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
#include "../common/tdb_private.h"
#include "../common/io.c"
#include "../common/tdb.c"
#include "../common/lock.c"
#include "../common/freelist.c"
#include "../common/traverse.c"
#include "../common/transaction.c"
#include "../common/error.c"
#include "../common/open.c"
#include "../common/check.c"
#include "../common/hash.c"
#include "tap-interface.h"
#include <stdlib.h>
#include <err.h>

static unsigned int tdb_dumb_hash(TDB_DATA *key)
{
	return key->dsize;
}

static void log_fn(struct tdb_context *tdb, enum tdb_debug_level level, const char *fmt, ...)
{
	unsigned int *count = tdb_get_logging_private(tdb);
	if (strstr(fmt, "hash"))
		(*count)++;
}

static unsigned int hdr_rwlocks(const char *fname)
{
	struct tdb_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;
}

int main(int argc, char *argv[])
{
	struct tdb_context *tdb;
	unsigned int log_count, flags;
	TDB_DATA d, r;
	struct tdb_logging_context log_ctx = { log_fn, &log_count };

	plan_tests(38 * 2);

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

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

		/* Create an old-style hash. */
		log_count = 0;
		tdb = tdb_open_ex("run-incompatible.tdb", 0, flags,
				  O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
				  NULL);
		ok1(tdb);
		ok1(log_count == 0);
		d.dptr = (void *)"Hello";
		d.dsize = 5;
		ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
		tdb_close(tdb);

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

		/* We can still open any old-style with incompat flag. */
		log_count = 0;
		tdb = tdb_open_ex("run-incompatible.tdb", 0,
				  TDB_INCOMPATIBLE_HASH,
				  O_RDWR, 0600, &log_ctx, NULL);
		ok1(tdb);
		ok1(log_count == 0);
		r = tdb_fetch(tdb, d);
		ok1(r.dsize == 5);
		free(r.dptr);
		ok1(tdb_check(tdb, NULL, NULL) == 0);
		tdb_close(tdb);

		log_count = 0;
		tdb = tdb_open_ex("test/jenkins-le-hash.tdb", 0, 0, O_RDONLY,
				  0, &log_ctx, tdb_jenkins_hash);
		ok1(tdb);
		ok1(log_count == 0);
		ok1(tdb_check(tdb, NULL, NULL) == 0);
		tdb_close(tdb);

		log_count = 0;
		tdb = tdb_open_ex("test/jenkins-be-hash.tdb", 0, 0, O_RDONLY,
				  0, &log_ctx, tdb_jenkins_hash);
		ok1(tdb);
		ok1(log_count == 0);
		ok1(tdb_check(tdb, NULL, NULL) == 0);
		tdb_close(tdb);

		/* OK, now create with incompatible flag, default hash. */
		log_count = 0;
		tdb = tdb_open_ex("run-incompatible.tdb", 0,
				  flags|TDB_INCOMPATIBLE_HASH,
				  O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
				  NULL);
		ok1(tdb);
		ok1(log_count == 0);
		d.dptr = (void *)"Hello";
		d.dsize = 5;
		ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
		tdb_close(tdb);

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

		/* Cannot open with old hash. */
		log_count = 0;
		tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
				  O_RDWR, 0600, &log_ctx, tdb_old_hash);
		ok1(!tdb);
		ok1(log_count == 1);

		/* Can open with jenkins hash. */
		log_count = 0;
		tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
				  O_RDWR, 0600, &log_ctx, tdb_jenkins_hash);
		ok1(tdb);
		ok1(log_count == 0);
		r = tdb_fetch(tdb, d);
		ok1(r.dsize == 5);
		free(r.dptr);
		ok1(tdb_check(tdb, NULL, NULL) == 0);
		tdb_close(tdb);

		/* Can open by letting it figure it out itself. */
		log_count = 0;
		tdb = tdb_open_ex("run-incompatible.tdb", 0, 0,
				  O_RDWR, 0600, &log_ctx, NULL);
		ok1(tdb);
		ok1(log_count == 0);
		r = tdb_fetch(tdb, d);
		ok1(r.dsize == 5);
		free(r.dptr);
		ok1(tdb_check(tdb, NULL, NULL) == 0);
		tdb_close(tdb);

		/* We can also use incompatible hash with other hashes. */
		log_count = 0;
		tdb = tdb_open_ex("run-incompatible.tdb", 0,
				  flags|TDB_INCOMPATIBLE_HASH,
				  O_CREAT|O_RDWR|O_TRUNC, 0600, &log_ctx,
				  tdb_dumb_hash);
		ok1(tdb);
		ok1(log_count == 0);
		d.dptr = (void *)"Hello";
		d.dsize = 5;
		ok1(tdb_store(tdb, d, d, TDB_INSERT) == 0);
		tdb_close(tdb);

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

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

		/* Should reopen with correct hash. */
		log_count = 0;
		tdb = tdb_open_ex("run-incompatible.tdb", 0, 0, O_RDWR, 0,
				  &log_ctx, tdb_dumb_hash);
		ok1(tdb);
		ok1(log_count == 0);
		r = tdb_fetch(tdb, d);
		ok1(r.dsize == 5);
		free(r.dptr);
		ok1(tdb_check(tdb, NULL, NULL) == 0);
		tdb_close(tdb);
	}

	return exit_status();
}