1 /* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ 2 // vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4: 3 #ident "$Id$" 4 /*====== 5 This file is part of PerconaFT. 6 7 8 Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved. 9 10 PerconaFT is free software: you can redistribute it and/or modify 11 it under the terms of the GNU General Public License, version 2, 12 as published by the Free Software Foundation. 13 14 PerconaFT is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>. 21 22 ---------------------------------------- 23 24 PerconaFT is free software: you can redistribute it and/or modify 25 it under the terms of the GNU Affero General Public License, version 3, 26 as published by the Free Software Foundation. 27 28 PerconaFT is distributed in the hope that it will be useful, 29 but WITHOUT ANY WARRANTY; without even the implied warranty of 30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 31 GNU Affero General Public License for more details. 32 33 You should have received a copy of the GNU Affero General Public License 34 along with PerconaFT. If not, see <http://www.gnu.org/licenses/>. 35 ======= */ 36 37 #ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved." 38 39 #include "test.h" 40 41 // verify that prelocking read ranges on multiple transactions do not conflict 42 43 static int prelock_range(DBC *cursor, int left, int right) { 44 DBT key_left; dbt_init(&key_left, &left, sizeof left); 45 DBT key_right; dbt_init(&key_right, &right, sizeof right); 46 int r = cursor->c_set_bounds(cursor, &key_left, &key_right, true, 0); 47 return r; 48 } 49 50 static void test_read_read(DB_ENV *env, DB *db, uint32_t iso_flags, int expect_r) { 51 int r; 52 53 DB_TXN *txn_a = NULL; 54 r = env->txn_begin(env, NULL, &txn_a, iso_flags); assert_zero(r); 55 DB_TXN *txn_b = NULL; 56 r = env->txn_begin(env, NULL, &txn_b, iso_flags); assert_zero(r); 57 58 DBC *cursor_a = NULL; 59 r = db->cursor(db, txn_a, &cursor_a, 0); assert_zero(r); 60 DBC *cursor_b = NULL; 61 r = db->cursor(db, txn_b, &cursor_b, 0); assert_zero(r); 62 63 r = prelock_range(cursor_a, htonl(10), htonl(100)); assert_zero(r); 64 r = prelock_range(cursor_b, htonl(50), htonl(200)); assert(r == expect_r); 65 66 r = cursor_a->c_close(cursor_a); assert_zero(r); 67 r = cursor_b->c_close(cursor_b); assert_zero(r); 68 69 r = txn_a->commit(txn_a, 0); assert_zero(r); 70 r = txn_b->commit(txn_b, 0); assert_zero(r); 71 } 72 73 int test_main(int argc, char * const argv[]) { 74 int r; 75 76 const char *env_dir = TOKU_TEST_FILENAME; 77 const char *db_filename = "prelocktest"; 78 79 parse_args(argc, argv); 80 81 char rm_cmd[strlen(env_dir) + strlen("rm -rf ") + 1]; 82 snprintf(rm_cmd, sizeof(rm_cmd), "rm -rf %s", env_dir); 83 r = system(rm_cmd); assert_zero(r); 84 85 r = toku_os_mkdir(env_dir, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); assert_zero(r); 86 87 DB_ENV *env = NULL; 88 r = db_env_create(&env, 0); assert_zero(r); 89 int env_open_flags = DB_CREATE | DB_PRIVATE | DB_INIT_MPOOL | DB_INIT_TXN | DB_INIT_LOCK | DB_INIT_LOG; 90 r = env->open(env, env_dir, env_open_flags, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); assert_zero(r); 91 92 // create the db 93 DB *db = NULL; 94 r = db_create(&db, env, 0); assert_zero(r); 95 DB_TXN *create_txn = NULL; 96 r = env->txn_begin(env, NULL, &create_txn, 0); assert_zero(r); 97 r = db->open(db, create_txn, db_filename, NULL, DB_BTREE, DB_CREATE, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); assert_zero(r); 98 r = create_txn->commit(create_txn, 0); assert_zero(r); 99 100 test_read_read(env, db, DB_READ_COMMITTED, 0); 101 test_read_read(env, db, DB_READ_UNCOMMITTED, 0); 102 #ifdef BLOCKING_ROW_LOCKS_READS_NOT_SHARED 103 test_read_read(env, db, DB_SERIALIZABLE, DB_LOCK_NOTGRANTED); 104 #else check_results_nested(DB ** dbs,const uint num_rows)105 test_read_read(env, db, DB_SERIALIZABLE, 0); 106 #endif 107 108 r = db->close(db, 0); assert_zero(r); 109 110 r = env->close(env, 0); assert_zero(r); 111 return 0; 112 } 113