1 /* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 // vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
3 #ident "$Id$"
4 /*======
5 This file is part of PerconaFT.
6
7
8 Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
9
10 PerconaFT is free software: you can redistribute it and/or modify
11 it under the terms of the GNU General Public License, version 2,
12 as published by the Free Software Foundation.
13
14 PerconaFT is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
21
22 ----------------------------------------
23
24 PerconaFT is free software: you can redistribute it and/or modify
25 it under the terms of the GNU Affero General Public License, version 3,
26 as published by the Free Software Foundation.
27
28 PerconaFT is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU Affero General Public License for more details.
32
33 You should have received a copy of the GNU Affero General Public License
34 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>.
35 ======= */
36
37 #ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
38
39 #include "test.h"
40 #include <sys/wait.h>
41
clean_env(const char * envdir)42 static void clean_env (const char *envdir) {
43 const int len = strlen(envdir)+100;
44 char cmd[len];
45 snprintf(cmd, len, "rm -rf %s", envdir);
46 int r = system(cmd);
47 CKERR(r);
48 CKERR(toku_os_mkdir(envdir, S_IRWXU+S_IRWXG+S_IRWXO));
49 }
50
setup_env(DB_ENV ** envp,const char * envdir)51 static void setup_env (DB_ENV **envp, const char *envdir) {
52 { int chk_r = db_env_create(envp, 0); CKERR(chk_r); }
53 (*envp)->set_errfile(*envp, stderr);
54 { int chk_r = (*envp)->set_redzone(*envp, 0); CKERR(chk_r); }
55 { int chk_r = (*envp)->open(*envp, envdir, DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_CREATE|DB_PRIVATE|DB_RECOVER, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(chk_r); }
56 }
57
58 const unsigned int myformatid = 0x74736554;
59
setup_env_and_prepare(DB_ENV ** envp,const char * envdir,bool commit)60 static void setup_env_and_prepare (DB_ENV **envp, const char *envdir, bool commit) {
61 DB *db;
62 DB_TXN *txn;
63 clean_env(envdir);
64 setup_env(envp, envdir);
65 CKERR(db_create(&db, *envp, 0));
66 CKERR(db->open(db, NULL, "foo.db", 0, DB_BTREE, DB_CREATE | DB_AUTO_COMMIT, S_IRWXU+S_IRWXG+S_IRWXO));
67 CKERR((*envp)->txn_begin(*envp, 0, &txn, 0));
68 DBT key;
69 dbt_init(&key, "foo", 4);
70 CKERR(db->put(db, txn, &key, &key, 0));
71 { int chk_r = db->close(db, 0); CKERR(chk_r); }
72 TOKU_XA_XID x = {.formatID = myformatid,
73 .gtrid_length = 8,
74 .bqual_length = 9};
75 for (int i=0; i<8+9; i++) x.data[i] = 42+i;
76 CKERR(txn->xa_prepare(txn, &x, 0));
77 if (commit)
78 CKERR(txn->commit(txn, 0));
79 }
80
test1(void)81 static void test1 (void) {
82 pid_t pid;
83 bool do_fork = true;
84 if (!do_fork || 0==(pid=fork())) {
85 DB_ENV *env;
86 setup_env_and_prepare(&env, TOKU_TEST_FILENAME, false);
87 {
88 TOKU_XA_XID l[1];
89 long count=-1;
90 CKERR(env->txn_xa_recover(env, l, 1, &count, DB_FIRST));
91 printf("%s:%d count=%ld\n", __FILE__, __LINE__, count);
92 assert(count==1);
93 assert(myformatid==l[0].formatID);
94 assert( 8==l[0].gtrid_length);
95 assert( 9==l[0].bqual_length);
96 for (int i=0; i<8+9; i++) {
97 assert(l[0].data[i]==42+i);
98 }
99 }
100 exit(0);
101 }
102 int status;
103 if (do_fork) {
104 pid_t pid2 = wait(&status);
105 assert(pid2==pid);
106 }
107
108 DB_ENV *env2;
109 char envdir2[TOKU_PATH_MAX+1];
110 setup_env_and_prepare(&env2, toku_path_join(envdir2, 2, TOKU_TEST_FILENAME, "envdir2"), true);
111
112 // Now we can look at env2 in the debugger to see if we managed to make it the same
113
114 DB_ENV *env;
115 setup_env(&env, TOKU_TEST_FILENAME);
116
117 {
118 TOKU_XA_XID l[1];
119 long count=-1;
120 {
121 int r = env->txn_xa_recover(env, l, 1, &count, DB_FIRST);
122 printf("r=%d count=%ld\n", r, count);
123 }
124 assert(count==1);
125 assert(l[0].data[0]==42);
126 assert(myformatid==l[0].formatID);
127 assert( 8 ==l[0].gtrid_length);
128 assert( 9 ==l[0].bqual_length);
129 for (int i=0; i<8+9; i++) {
130 assert(l[0].data[i]==42+i);
131 }
132 {
133 DB_TXN *txn;
134 int r = env->get_txn_from_xid(env, &l[0], &txn);
135 assert(r==0);
136 { int chk_r = txn->commit(txn, 0); CKERR(chk_r); }
137 }
138 }
139 { int chk_r = env2->close(env2, 0); CKERR(chk_r); }
140 { int chk_r = env ->close(env, 0); CKERR(chk_r); }
141 }
142
test_main(int argc,char * const argv[])143 int test_main (int argc, char *const argv[]) {
144 default_parse_args(argc, argv);
145 // first test: open an environment, a db, a txn, and do a prepare. Then do txn_prepare (without even closing the environment).
146 test1();
147
148
149 // second test: poen environment, a db, a txn, prepare, close the environment. Then reopen and do txn_prepare.
150
151 // third test: make sure there is an fsync on txn_prepare, but not on the following commit.
152
153
154 // Then close the environment Find out what BDB does when ask for the txn prepares.
155 // Other tests: read prepared txns, 1 at a time. Then close it and read them again.
156 return 0;
157 }
158