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97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
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#ident "$Id$"
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#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
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#include "logcursor.h"
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#include "test.h"
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#if defined(HAVE_LIMITS_H)
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# include <limits.h>
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#endif
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#if defined(HAVE_SYS_SYSLIMITS_H)
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# include <sys/syslimits.h>
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#endif
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#define dname __SRCFILE__ ".dir"
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#define rmrf "rm -rf " dname "/"
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// log a couple of timestamp entries and verify the log by walking
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// a cursor through the log entries
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static void corrupt_the_checksum(void) {
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// change the LSN in the first log entry of log 0. this will cause an checksum error.
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char logname[PATH_MAX];
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int r;
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sprintf(logname, dname "/" "log000000000000.tokulog%d", TOKU_LOG_VERSION);
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FILE *f = fopen(logname, "r+b"); assert(f);
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r = fseek(f, 025, SEEK_SET); assert(r == 0);
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char c = 100;
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size_t n = fwrite(&c, sizeof c, 1, f); assert(n == sizeof c);
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r = fclose(f); assert(r == 0);
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}
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int
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test_main (int argc, const char *argv[]) {
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default_parse_args(argc, argv);
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int r;
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r = system(rmrf);
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CKERR(r);
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r = toku_os_mkdir(dname, S_IRWXU); assert(r==0);
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TOKULOGGER logger;
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LSN lsn = ZERO_LSN;
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// log a couple of timestamp log entries
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r = toku_logger_create(&logger);
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assert(r == 0);
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r = toku_logger_open(dname, logger);
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assert(r == 0);
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BYTESTRING bs0 = { .len = 5, .data = (char *) "hello" };
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toku_log_comment(logger, &lsn, 0, 0, bs0);
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r = toku_logger_close(&logger);
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assert(r == 0);
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// change the LSN and corrupt the checksum
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corrupt_the_checksum();
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if (!verbose) {
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// redirect stderr
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int devnul = open(DEV_NULL_FILE, O_WRONLY);
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assert(devnul >= 0);
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r = toku_dup2(devnul, fileno(stderr)); assert(r == fileno(stderr));
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r = close(devnul); assert(r == 0);
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}
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// walk forwards
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TOKULOGCURSOR lc = NULL;
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struct log_entry *le;
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r = toku_logcursor_create(&lc, dname);
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assert(r == 0 && lc != NULL);
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r = toku_logcursor_next(lc, &le);
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assert(r != 0);
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r = toku_logcursor_destroy(&lc);
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assert(r == 0 && lc == NULL);
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// walk backwards
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r = toku_logcursor_create(&lc, dname);
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assert(r == 0 && lc != NULL);
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r = toku_logcursor_prev(lc, &le);
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assert(r != 0);
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r = toku_logcursor_destroy(&lc);
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assert(r == 0 && lc == NULL);
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r = system(rmrf);
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CKERR(r);
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return 0;
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}
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