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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*======
This file is part of PerconaFT.


Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.

    PerconaFT is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2,
    as published by the Free Software Foundation.

    PerconaFT is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.

----------------------------------------

    PerconaFT is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License, version 3,
    as published by the Free Software Foundation.

    PerconaFT is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
======= */

#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."

#include "test.h"


/* Like test_log6 except abort. */


#include <db.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <memory.h>

#ifndef DB_DELETE_ANY
#define DB_DELETE_ANY 0
#endif

// TOKU_TEST_FILENAME is defined in the Makefile

struct in_db;
struct in_db {
    long int r;
    int i;
    struct in_db *next;
} *items=0, *deleted_items=0;

static void put_n (DB *db, DB_TXN *tid, int i) {
    char hello[30], there[30];
    DBT key,data;
    struct in_db *XMALLOC(newitem);
    newitem->r = random();
    newitem->i = i;
    newitem->next = items;
    items = newitem;
    snprintf(hello, sizeof(hello), "hello%ld.%d", newitem->r, newitem->i);
    snprintf(there, sizeof(hello), "there%d", i);
    memset(&key, 0, sizeof(key));
    memset(&data, 0, sizeof(data));
    key.data  = hello; key.size=strlen(hello)+1;
    data.data = there; data.size=strlen(there)+1;
    int r=db->put(db, tid, &key, &data, 0);  assert(r==0);
}

static void del_n (DB *db, DB_TXN *tid, int i) {
    // Move it to deleted items if it is present.
    struct in_db *present;
    struct in_db **prevp;
    for ((prevp=&items),         (present=items);
	 present;
	 (prevp=&present->next), (present=present->next)) {
	if (present->i==i) {
	    // Remove it
	    struct in_db *next = present->next;
	    present->next = deleted_items;
	    deleted_items = present;
	    *prevp = next;

	    char hello[30];
	    DBT key;
	    snprintf(hello, sizeof(hello), "hello%ld.%d", present->r, i);
	    memset(&key, 0, sizeof(key));
	    key.data = hello; key.size = strlen(hello)+1;
	    int r = db->del(db, tid, &key, DB_DELETE_ANY); assert(r==0);

	    return;
	}
    }
}

static void make_db (void) {
    DB_ENV *env;
    DB *db;
    DB_TXN *tid;
    int r;
    int i;

    toku_os_recursive_delete(TOKU_TEST_FILENAME);
    r=toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU+S_IRWXG+S_IRWXO);       assert(r==0);
    r=db_env_create(&env, 0); assert(r==0);
    r=env->open(env, TOKU_TEST_FILENAME, DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_MPOOL|DB_INIT_TXN|DB_CREATE|DB_PRIVATE, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
    r=db_create(&db, env, 0); CKERR(r);
    r=env->txn_begin(env, 0, &tid, 0); assert(r==0);
    r=db->open(db, tid, "foo.db", 0, DB_BTREE, DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r);
    r=tid->commit(tid, 0);    assert(r==0);
    r=env->txn_begin(env, 0, &tid, 0); assert(r==0);
    
    for (i=0; i<1; i++) {
	put_n(db, tid, i);
	if (random()%3==0) {
	    del_n(db, tid, random()%(i+1));
	}
    }
    r=tid->abort(tid);    assert(r==0);
    {
	struct in_db *l=items;
	for (l=items; l; l=l->next) {
	    char hello[30];
	    DBT key,data;
	    memset(&key, 0, sizeof(key));
	    memset(&data, 0, sizeof(data));
	    snprintf(hello, sizeof(hello), "hello%ld.%d", l->r, i);
	    r = db->get(db, 0, &key, &data, 0);
	    assert(r==DB_NOTFOUND);
	}
    }

    r=db->close(db, 0);       assert(r==0);
    r=env->close(env, 0);     assert(r==0);
    while (items) {
	struct in_db *next=items->next;
	toku_free(items);
	items=next;
    }

    while (deleted_items) {
	struct in_db *next=deleted_items->next;
	toku_free(deleted_items);
	deleted_items=next;
    }
}

int
test_main (int argc __attribute__((__unused__)), char *const argv[] __attribute__((__unused__))) {
    make_db();
    return 0;
}