/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
// force a bad LSN during the forward scan.  recovery should fail.

#include "test.h"
#include "includes.h"
#if defined(HAVE_LIMITS_H)
# include <limits.h>
#endif
#if defined(HAVE_SYS_SYSLIMITS_H)
# include <sys/syslimits.h>
#endif

#define TESTDIR __SRCFILE__ ".dir"

static void recover_callback_at_turnaround(void *UU(arg)) {
    // change the LSN in the first log entry of log 2.  this will cause an LSN error during the forward scan.
    int r;
    char logname[PATH_MAX];
    sprintf(logname, "%s/log000000000002.tokulog%d", TESTDIR, TOKU_LOG_VERSION);
    FILE *f = fopen(logname, "r+b"); assert(f);
    r = fseek(f, 025, SEEK_SET); assert(r == 0);
    char c = 100;
    size_t n = fwrite(&c, sizeof c, 1, f); assert(n == sizeof c);
    r = fclose(f); assert(r == 0);
}

static int 
run_test(void) {
    int r;

    // setup the test dir
    r = system("rm -rf " TESTDIR);
    CKERR(r);
    r = toku_os_mkdir(TESTDIR, S_IRWXU); assert(r == 0);

    // log 1 has the checkpoint
    TOKULOGGER logger;
    r = toku_logger_create(&logger); assert(r == 0);
    r = toku_logger_open(TESTDIR, logger); assert(r == 0);

    LSN beginlsn;
    r = toku_log_begin_checkpoint(logger, &beginlsn, TRUE, 0, 0); assert(r == 0);
    r = toku_log_end_checkpoint(logger, NULL, TRUE, beginlsn, 0, 0, 0); assert(r == 0);

    r = toku_logger_close(&logger); assert(r == 0);

    // log 2 has hello
    r = toku_logger_create(&logger); assert(r == 0);
    r = toku_logger_open(TESTDIR, logger); assert(r == 0);

    BYTESTRING hello  = { (uint32_t) strlen("hello"), (char *) "hello" };
    r = toku_log_comment(logger, NULL, TRUE, 0, hello); assert(r == 0);

    r = toku_logger_close(&logger); assert(r == 0);

    // log 3 has there
    r = toku_logger_create(&logger); assert(r == 0);
    r = toku_logger_open(TESTDIR, logger); assert(r == 0);

    BYTESTRING there  = { (uint32_t) strlen("there"), (char *) "there" };
    r = toku_log_comment(logger, NULL, TRUE, 0, there); assert(r == 0);

    r = toku_logger_close(&logger); assert(r == 0);

    // redirect stderr
    int devnul = open(DEV_NULL_FILE, O_WRONLY);
    assert(devnul>=0);
    r = toku_dup2(devnul, fileno(stderr)); 	    assert(r==fileno(stderr));
    r = close(devnul);                      assert(r==0);

    // delete log 2 at the turnaround to force
    toku_recover_set_callback(recover_callback_at_turnaround, NULL);

    // run recovery
    r = tokudb_recover(NULL,
		       NULL_prepared_txn_callback,
		       NULL_keep_cachetable_callback,
		       NULL_logger, TESTDIR, TESTDIR, 0, 0, 0, NULL, 0); 
    assert(r != 0);

    r = system("rm -rf " TESTDIR);
    CKERR(r);

    return 0;
}

int
test_main(int UU(argc), const char *UU(argv[])) {
    int r;
    r = run_test();
    return r;
}