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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
/* -*- mode: C; c-basic-offset: 4 -*- */
#ident "Copyright (c) 2007 Tokutek Inc. All rights reserved."
#include "test.h"
//Verify aborting transactions works properly when transaction
//starts with an empty db and a table lock.
#include <errno.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <db.h>
#include <memory.h>
#include <stdio.h>
// ENVDIR is defined in the Makefile
DB_ENV *env;
DB *db;
DB_TXN *null_txn = NULL;
DB_TXN *txn;
DB_TXN *childtxn;
u_int32_t find_num;
static void
init(u_int32_t dup_flags) {
int r;
system("rm -rf " ENVDIR);
r=toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
r=db_env_create(&env, 0); CKERR(r);
r=env->open(env, ENVDIR, DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_PRIVATE|DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
r=db_create(&db, env, 0); CKERR(r);
if (dup_flags) {
r = db->set_flags(db, dup_flags);
CKERR(r);
}
r=db->open(db, null_txn, "foo.db", 0, DB_BTREE, DB_CREATE|DB_EXCL, S_IRWXU|S_IRWXG|S_IRWXO);
CKERR(r);
r=db->close(db, 0); CKERR(r);
r=db_create(&db, env, 0); CKERR(r);
r=db->open(db, null_txn, "foo.db", 0, DB_BTREE, 0, S_IRWXU|S_IRWXG|S_IRWXO);
CKERR(r);
r=env->txn_begin(env, 0, &txn, 0); CKERR(r);
r=db->pre_acquire_table_lock(db, txn); CKERR(r);
r=env->txn_begin(env, txn, &childtxn, 0); CKERR(r);
}
static void
tear_down(void) {
int r;
r = db->close(db, 0); CKERR(r);
r = env->close(env, 0); CKERR(r);
}
static void
abort_childtxn(void) {
find_num = 0;
int r;
r = txn->abort(childtxn); CKERR(r);
r = txn->commit(txn, 0); CKERR(r);
childtxn = NULL;
txn = NULL;
}
static void
abort_both(void) {
find_num = 0;
int r;
r = txn->abort(childtxn); CKERR(r);
r = txn->abort(txn); CKERR(r);
childtxn = NULL;
txn = NULL;
}
static void
abort_parent(void) {
int r = txn->abort(txn); CKERR(r);
}
static void
abort_txn(int type) {
if (type==0) abort_parent();
else if (type==1) abort_childtxn();
else if (type==2) abort_both();
else assert(FALSE);
find_num = 0;
childtxn = NULL;
txn = NULL;
}
#ifndef DB_YESOVERWRITE
#define DB_YESOVERWRITE 0
#endif
static void
put(u_int32_t k, u_int32_t v) {
int r;
DBT key,val;
static u_int32_t kvec[128];
static u_int32_t vvec[128];
kvec[0] = k;
vvec[0] = v;
dbt_init(&key, &kvec[0], sizeof(kvec));
dbt_init(&val, &vvec[0], sizeof(vvec));
r = db->put(db, childtxn ? childtxn : txn, &key, &val, DB_YESOVERWRITE); CKERR(r);
}
static void
test_insert_and_abort(u_int32_t num_to_insert, int abort_type) {
if (verbose>1) printf("\t"__FILE__": insert+abort(%u,%d)\n", num_to_insert, abort_type);
find_num = 0;
u_int32_t k;
u_int32_t v;
u_int32_t i;
for (i=0; i < num_to_insert; i++) {
k = htonl(i);
v = htonl(i+num_to_insert);
put(k, v);
}
abort_txn(abort_type);
}
static void
test_insert_and_abort_and_insert(u_int32_t num_to_insert, int abort_type) {
if (verbose>1) printf("\t"__FILE__": insert+abort+insert(%u,%d)\n", num_to_insert, abort_type);
test_insert_and_abort(num_to_insert, abort_type);
find_num = num_to_insert / 2;
u_int32_t k, v;
u_int32_t i;
for (i=0; i < find_num; i++) {
k = htonl(i);
v = htonl(i+5);
put(k, v);
}
}
#define bit0 (1<<0)
#define bit1 (1<<1)
static int
do_nothing(DBT const *UU(a), DBT const *UU(b), void *UU(c)) {
return 0;
}
static void
verify_and_tear_down(int close_first) {
int r;
{
char *filename;
#if USE_TDB
{
DBT dname;
DBT iname;
dbt_init(&dname, "foo.db", sizeof("foo.db"));
dbt_init(&iname, NULL, 0);
iname.flags |= DB_DBT_MALLOC;
r = env->get_iname(env, &dname, &iname);
CKERR(r);
filename = iname.data;
assert(filename);
}
#else
filename = toku_xstrdup("foo.db");
#endif
toku_struct_stat statbuf;
char fullfile[strlen(filename) + sizeof(ENVDIR "/")];
snprintf(fullfile, sizeof(fullfile), ENVDIR "/%s", filename);
toku_free(filename);
r = toku_stat(fullfile, &statbuf);
assert(r==0);
}
if (close_first) {
r=db->close(db, 0); CKERR(r);
r=db_create(&db, env, 0); CKERR(r);
r=db->open(db, null_txn, "foo.db", 0, DB_BTREE, 0, S_IRWXU|S_IRWXG|S_IRWXO);
CKERR(r);
}
DBC *cursor;
r=env->txn_begin(env, 0, &txn, 0); CKERR(r);
r = db->cursor(db, txn, &cursor, 0); CKERR(r);
u_int32_t found = 0;
do {
r = cursor->c_getf_next(cursor, 0, do_nothing, NULL);
if (r==0) found++;
} while (r==0);
CKERR2(r, DB_NOTFOUND);
cursor->c_close(cursor);
txn->commit(txn, 0);
assert(found==find_num);
tear_down();
}
static void
runtests(u_int32_t dup_flags, int abort_type) {
if (verbose) printf("\t"__FILE__": runtests(%u,%d)\n", dup_flags, abort_type);
int close_first;
for (close_first = 0; close_first < 2; close_first++) {
init(dup_flags);
abort_txn(abort_type);
verify_and_tear_down(close_first);
u_int32_t n;
for (n = 1; n < 1<<10; n*=2) {
init(dup_flags);
test_insert_and_abort(n, abort_type);
verify_and_tear_down(close_first);
init(dup_flags);
test_insert_and_abort_and_insert(n, abort_type);
verify_and_tear_down(close_first);
}
}
}
int
test_main (int argc, char *argv[]) {
parse_args(argc, argv);
int abort_type;
for (abort_type = 0; abort_type<3; abort_type++) {
runtests(0, abort_type);
runtests(DB_DUPSORT|DB_DUP, abort_type);
}
return 0;
}