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78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
// force a bad LSN during the forward scan. recovery should fail.
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#include "test.h"
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#include "includes.h"
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#define TESTDIR "dir." __FILE__
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static void recover_callback_at_turnaround(void *UU(arg)) {
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// change the LSN in the first log entry of log 2. this will cause an LSN error during the forward scan.
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int r;
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char logname[PATH_MAX];
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sprintf(logname, "log000000000002.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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static int
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run_test(void) {
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int r;
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// setup the test dir
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r = system("rm -rf " TESTDIR);
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CKERR(r);
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r = toku_os_mkdir(TESTDIR, S_IRWXU); assert(r == 0);
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// log 1 has the checkpoint
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TOKULOGGER logger;
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r = toku_logger_create(&logger); assert(r == 0);
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r = toku_logger_open(TESTDIR, logger); assert(r == 0);
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LSN beginlsn;
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r = toku_log_begin_checkpoint(logger, &beginlsn, TRUE, 0); assert(r == 0);
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r = toku_log_end_checkpoint(logger, NULL, TRUE, beginlsn.lsn, 0, 0, 0); assert(r == 0);
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r = toku_logger_close(&logger); assert(r == 0);
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// log 2 has hello
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r = toku_logger_create(&logger); assert(r == 0);
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r = toku_logger_open(TESTDIR, logger); assert(r == 0);
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BYTESTRING hello = { strlen("hello"), "hello" };
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r = toku_log_comment(logger, NULL, TRUE, 0, hello); assert(r == 0);
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r = toku_logger_close(&logger); assert(r == 0);
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// log 3 has there
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r = toku_logger_create(&logger); assert(r == 0);
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r = toku_logger_open(TESTDIR, logger); assert(r == 0);
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BYTESTRING there = { strlen("there"), "there" };
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r = toku_log_comment(logger, NULL, TRUE, 0, there); assert(r == 0);
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r = toku_logger_close(&logger); assert(r == 0);
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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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// delete log 2 at the turnaround to force
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toku_recover_set_callback(recover_callback_at_turnaround, NULL);
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// run recovery
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r = tokudb_recover(TESTDIR, TESTDIR, 0, 0, NULL, NULL, 0);
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assert(r != 0);
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return 0;
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}
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int
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test_main(int UU(argc), const char *UU(argv[])) {
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int r;
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r = run_test();
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return r;
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}
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