/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: expandtab:ts=8:sw=4:softtabstop=4:
#ident "Copyright (c) 2011 Tokutek Inc.  All rights reserved."

// verify that the tree create time is retuned in db->stat64

#include "test.h"

#include <db.h>
#include <sys/stat.h>

static void
test_stat64_create_time (uint64_t n) {
    if (verbose) printf("%s:%u\n", __FUNCTION__, __LINE__);

    int r;
    r = system("rm -rf " ENVDIR);
    CKERR(r);
    toku_os_mkdir(ENVDIR, S_IRWXU+S_IRWXG+S_IRWXO);
    
    DB_ENV *env = NULL;
    r = db_env_create(&env, 0);                                           CKERR(r);

    r = env->set_cachesize(env, 0, 20*1000000, 1);
    r = env->open(env, ENVDIR, DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_CREATE|DB_PRIVATE, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);

    DB *db = NULL;
    r = db_create(&db, env, 0);                                           CKERR(r);

    DB_TXN *txn = NULL;
    r = env->txn_begin(env, 0, &txn, 0); assert(r == 0);

    r = db->set_pagesize(db, 4096); assert(r == 0);
    r = db->open(db, txn, "foo.db", 0, DB_BTREE, DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);

    // initial stats
    DB_BTREE_STAT64 s0;
    r = db->stat64(db, txn, &s0); assert(r == 0);
    printf("initial stat create %"PRIu64"\n", s0.bt_create_time_sec);
    assert(s0.bt_create_time_sec != 0);
    assert(s0.bt_modify_time_sec == s0.bt_create_time_sec);
    r = txn->commit(txn, 0);    assert(r == 0);

    // stats after create is committed
    r = env->txn_begin(env, 0, &txn, 0);  CKERR(r);
    DB_BTREE_STAT64 s1;
    r = db->stat64(db, txn, &s1); assert(r == 0);
    assert(s1.bt_create_time_sec == s0.bt_create_time_sec);
    assert(s1.bt_modify_time_sec == s0.bt_modify_time_sec);
    r = txn->commit(txn, 0);    assert(r == 0);

    // stats after checkpoint
    sleep(10);
    r = env->txn_checkpoint(env, 0, 0, 0); assert(r == 0);
    r = env->txn_begin(env, 0, &txn, 0);  CKERR(r);
    DB_BTREE_STAT64 s2;
    r = db->stat64(db, txn, &s2); assert(r == 0);
    assert(s2.bt_create_time_sec == s1.bt_create_time_sec);
    assert(s2.bt_modify_time_sec > s1.bt_modify_time_sec);
    r = txn->commit(txn, 0);    assert(r == 0);

    // stats after insertion
    DB_BTREE_STAT64 s3;
    assert(n > 0);
    for (uint64_t i = 0; i < n; i++) {
        r = env->txn_begin(env, 0, &txn, 0);  CKERR(r);
        DBT key, val;
        r = db->put(db, txn, dbt_init(&key, &i, sizeof i), dbt_init(&val, &i, sizeof i), 0);
        r = db->stat64(db, txn, &s3); assert(r == 0);
        assert(s3.bt_create_time_sec == s2.bt_create_time_sec);
        assert(s3.bt_modify_time_sec == s2.bt_modify_time_sec);
        r = txn->commit(txn, 0);    assert(r == 0);
    }

    // stats after checkpoint
    sleep(10);
    r = env->txn_checkpoint(env, 0, 0, 0); assert(r == 0);
    r = env->txn_begin(env, 0, &txn, 0);  CKERR(r);
    DB_BTREE_STAT64 s4;
    r = db->stat64(db, txn, &s4); assert(r == 0);
    assert(s4.bt_create_time_sec == s3.bt_create_time_sec);
    assert(s4.bt_modify_time_sec > s3.bt_modify_time_sec);
    r = txn->commit(txn, 0);    assert(r == 0);

    r = db->close(db, 0); CKERR(r);

    r = env->close(env, 0); CKERR(r);
}

int
test_main (int argc, char *const argv[]) {
    parse_args(argc, argv);
    test_stat64_create_time(1);
    test_stat64_create_time(1000);
    return 0;
}
