/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*
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  This program is free software; you can redistribute it and/or modify
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  You should have received a copy of the GNU General Public License
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COPYRIGHT NOTICE:

  TokuDB, Tokutek Fractal Tree Indexing Library.
  Copyright (C) 2007-2013 Tokutek, Inc.

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  This program is distributed in the hope that it will be useful, but
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  General Public License for more details.

UNIVERSITY PATENT NOTICE:

  The technology is licensed by the Massachusetts Institute of
  Technology, Rutgers State University of New Jersey, and the Research
  Foundation of State University of New York at Stony Brook under
  United States of America Serial No. 11/760379 and to the patents
  and/or patent applications resulting from it.

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  This software is covered by US Patent No. 8,185,551.

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#ident "Copyright (c) 2007-2013 Tokutek Inc.  All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."
// verify that the leaf split code can handle rows larger than nodesize

#include "test.h"

static void insert(DB *db, DB_TXN *txn, int k, int val_size) {
    int r;

    // generate the key
    char key_buffer[8]; 
    memset(key_buffer, 0, sizeof key_buffer);
    int newa = htonl(k);
    memcpy(key_buffer, &newa, sizeof newa);

    // generate the value
    char *XCALLOC_N(val_size, val_buffer);
    
    DBT key = { .data = key_buffer, .size = sizeof key_buffer };
    DBT value = { .data = val_buffer, .size = (uint32_t) val_size };
    r = db->put(db, txn, &key, &value, 0); assert_zero(r);

    toku_free(val_buffer);
}

int test_main(int argc, char * const argv[]) {
#if defined(TOKUDB)
    const char *db_env_dir = "dir.blobs.leafsplit.env.tdb";
#else
    const char *db_env_dir = "dir.blobs.leafsplit.env.bdb";
#endif
    int db_env_open_flags = DB_CREATE | DB_PRIVATE | DB_INIT_MPOOL | DB_INIT_TXN | DB_INIT_LOCK | DB_INIT_LOG;
    const char *db_filename = "blobs.db";
    int do_txn = 1;
    uint64_t cachesize = 0;
    uint32_t pagesize = 0;

    int i;
    for (i = 1; i < argc; i++) {
        char *arg = argv[i];
        if (strcmp(arg, "-v") == 0 || strcmp(arg, "--verbose") == 0) {
            verbose++;
            continue;
        }
        if (strcmp(arg, "-q") == 0) {
            if (verbose > 0) verbose--;
            continue;
        }
        if (strcmp(arg, "--txn") == 0 && i+1 < argc) {
            do_txn = atoi(argv[++i]);
            continue;
        }
        if (strcmp(arg, "--pagesize") == 0 && i+1 < argc) {
            pagesize = atoi(argv[++i]);
            continue;
        }
        if (strcmp(arg, "--cachesize") == 0 && i+1 < argc) {
            cachesize = atol(argv[++i]);
            continue;
        }

        assert(0);
    }

    int r;
    char rm_cmd[strlen(db_env_dir) + strlen("rm -rf ") + 1];
    snprintf(rm_cmd, sizeof(rm_cmd), "rm -rf %s", db_env_dir);
    r = system(rm_cmd); assert_zero(r);

    r = toku_os_mkdir(db_env_dir, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); assert_zero(r);

    // create and open the env
    DB_ENV *db_env = NULL;
    r = db_env_create(&db_env, 0); assert_zero(r);
    if (cachesize) {
        const uint64_t gig = 1 << 30;
        r = db_env->set_cachesize(db_env, cachesize / gig, cachesize % gig, 1); assert_zero(r);
    }
    if (!do_txn)
        db_env_open_flags &= ~(DB_INIT_TXN | DB_INIT_LOG);
    r = db_env->open(db_env, db_env_dir, db_env_open_flags, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); assert_zero(r);

    // create the db
    DB *db = NULL;
    r = db_create(&db, db_env, 0); assert_zero(r);
    DB_TXN *create_txn = NULL;
    if (do_txn) {
        r = db_env->txn_begin(db_env, NULL, &create_txn, 0); assert_zero(r);
    }
    if (pagesize) {
        r = db->set_pagesize(db, pagesize); assert_zero(r);
    }
    r = db->open(db, create_txn, db_filename, NULL, DB_BTREE, DB_CREATE, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); assert_zero(r);

    insert(db, create_txn, 1, 8000000);
    insert(db, create_txn, 1, 16000000);
    insert(db, create_txn, 1, 32000000);
    insert(db, create_txn, 2, 1);

    if (do_txn) {
        r = create_txn->commit(create_txn, 0); assert_zero(r);
    }

    // shutdown
    r = db->close(db, 0); assert_zero(r); db = NULL;
    r = db_env->close(db_env, 0); assert_zero(r); db_env = NULL;

    return 0;
}
