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Diffstat (limited to 'bdb/examples_cxx/EnvExample.cpp')
-rw-r--r-- | bdb/examples_cxx/EnvExample.cpp | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/bdb/examples_cxx/EnvExample.cpp b/bdb/examples_cxx/EnvExample.cpp deleted file mode 100644 index 4eeb9f115e2..00000000000 --- a/bdb/examples_cxx/EnvExample.cpp +++ /dev/null @@ -1,121 +0,0 @@ -/*- - * See the file LICENSE for redistribution information. - * - * Copyright (c) 1997-2002 - * Sleepycat Software. All rights reserved. - * - * $Id: EnvExample.cpp,v 11.24 2002/01/11 15:52:15 bostic Exp $ - */ - -#include <sys/types.h> - -#include <errno.h> -#include <iostream> -#include <stddef.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <db_cxx.h> - -using std::ostream; -using std::cout; -using std::cerr; - -#ifdef macintosh -#define DATABASE_HOME ":database" -#define CONFIG_DATA_DIR ":database" -#else -#ifdef DB_WIN32 -#define DATABASE_HOME "\\tmp\\database" -#define CONFIG_DATA_DIR "\\database\\files" -#else -#define DATABASE_HOME "/tmp/database" -#define CONFIG_DATA_DIR "/database/files" -#endif -#endif - -void db_setup(const char *, const char *, ostream&); -void db_teardown(const char *, const char *, ostream&); - -const char *progname = "EnvExample"; /* Program name. */ - -// -// An example of a program creating/configuring a Berkeley DB environment. -// -int -main(int, char **) -{ - // - // Note: it may be easiest to put all Berkeley DB operations in a - // try block, as seen here. Alternatively, you can change the - // ErrorModel in the DbEnv so that exceptions are never thrown - // and check error returns from all methods. - // - try { - const char *data_dir, *home; - - // - // All of the shared database files live in /home/database, - // but data files live in /database. - // - home = DATABASE_HOME; - data_dir = CONFIG_DATA_DIR; - - cout << "Setup env\n"; - db_setup(home, data_dir, cerr); - - cout << "Teardown env\n"; - db_teardown(home, data_dir, cerr); - return (EXIT_SUCCESS); - } - catch (DbException &dbe) { - cerr << "EnvExample: " << dbe.what() << "\n"; - return (EXIT_FAILURE); - } -} - -// Note that any of the db calls can throw DbException -void -db_setup(const char *home, const char *data_dir, ostream& err_stream) -{ - // - // Create an environment object and initialize it for error - // reporting. - // - DbEnv *dbenv = new DbEnv(0); - dbenv->set_error_stream(&err_stream); - dbenv->set_errpfx(progname); - - // - // We want to specify the shared memory buffer pool cachesize, - // but everything else is the default. - // - dbenv->set_cachesize(0, 64 * 1024, 0); - - // Databases are in a subdirectory. - (void)dbenv->set_data_dir(data_dir); - - // Open the environment with full transactional support. - dbenv->open(home, - DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN, 0); - - // Do something interesting... - - // Close the handle. - dbenv->close(0); -} - -void -db_teardown(const char *home, const char *data_dir, ostream& err_stream) -{ - // Remove the shared database regions. - DbEnv *dbenv = new DbEnv(0); - - dbenv->set_error_stream(&err_stream); - dbenv->set_errpfx(progname); - - (void)dbenv->set_data_dir(data_dir); - dbenv->remove(home, 0); - delete dbenv; -} |