#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";
int
main(int, char **)
{
try {
const char *data_dir, *home;
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);
}
}
void
db_setup(const char *home, const char *data_dir, ostream& err_stream)
{
DbEnv *dbenv = new DbEnv(0);
dbenv->set_error_stream(&err_stream);
dbenv->set_errpfx(progname);
dbenv->set_cachesize(0, 64 * 1024, 0);
(void)dbenv->set_data_dir(data_dir);
dbenv->open(home,
DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN, 0);
dbenv->close(0);
}
void
db_teardown(const char *home, const char *data_dir, ostream& err_stream)
{
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;
}