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 // test recovery of "hello" comments
40
41 #include "test.h"
42
43
44 static int
run_test(void)45 run_test(void) {
46 // leave this many bytes in file
47 const int magic_begin_end_checkpoint_sz = 8 // "tokulogg" magic 8 byte header
48 +4 // version
49 +toku_log_begin_checkpoint_overhead
50 +toku_log_end_checkpoint_overhead;
51
52 int r;
53 int trim = 1;
54 toku_struct_stat st;
55
56 while ( 1 ) {
57 // setup the test dir
58 toku_os_recursive_delete(TOKU_TEST_FILENAME);
59 r = toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU); assert(r == 0);
60
61 // create the log
62 TOKULOGGER logger;
63 BYTESTRING hello = { (uint32_t) strlen("hello"), (char *) "hello" };
64 BYTESTRING world = { (uint32_t) strlen("world"), (char *) "world" };
65 BYTESTRING there = { (uint32_t) strlen("there"), (char *) "there" };
66 r = toku_logger_create(&logger); assert(r == 0);
67 r = toku_logger_open(TOKU_TEST_FILENAME, logger); assert(r == 0);
68 LSN beginlsn;
69 // all logs must contain a valid checkpoint
70 toku_log_begin_checkpoint(logger, &beginlsn, true, 0, 0);
71 toku_log_end_checkpoint(logger, NULL, true, beginlsn, 0, 0, 0);
72 toku_log_comment(logger, NULL, true, 0, hello);
73 toku_log_comment(logger, NULL, true, 0, world);
74 toku_log_begin_checkpoint(logger, &beginlsn, true, 0, 0);
75 toku_log_end_checkpoint(logger, NULL, true, beginlsn, 0, 0, 0);
76 toku_log_comment(logger, NULL, true, 0, hello);
77 toku_log_comment(logger, NULL, true, 0, there);
78 toku_logger_close(&logger);
79
80 // redirect stderr
81 int devnul = open(DEV_NULL_FILE, O_WRONLY);
82 assert(devnul>=0);
83 r = toku_dup2(devnul, fileno(stderr)); assert(r==fileno(stderr));
84 r = close(devnul); assert(r==0);
85
86 char fname[TOKU_PATH_MAX + 1];
87 sprintf(fname,
88 "%s/%s%d",
89 TOKU_TEST_FILENAME,
90 "log000000000000.tokulog",
91 TOKU_LOG_VERSION);
92
93 r = toku_stat(fname, &st, toku_uninstrumented);
94 assert(r == 0);
95 if (st.st_size - trim > magic_begin_end_checkpoint_sz) {
96 r = truncate(fname, st.st_size - trim);
97 CKERR(r);
98 }
99 else
100 break;
101 // run recovery
102 r = tokuft_recover(NULL,
103 NULL_prepared_txn_callback,
104 NULL_keep_cachetable_callback,
105 NULL_logger,
106 TOKU_TEST_FILENAME, TOKU_TEST_FILENAME, 0, 0, 0, NULL, 0);
107 assert(r == 0);
108
109 trim += 1;
110 }
111 toku_os_recursive_delete(TOKU_TEST_FILENAME);
112 return 0;
113 }
114
115 int
test_main(int UU (argc),const char * UU (argv[]))116 test_main(int UU(argc), const char *UU(argv[])) {
117 int r;
118 r = run_test();
119 return r;
120 }
121