asterisk/utils/astdb2bdb.c

135 lines
3.2 KiB
C

/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2011, Digium, Inc.
*
* Mark Spencer <twilson@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief SQLite 3 astdb to Berkeley DB converter
*
* \author Terry Wilson <twilson@digium.com>
*/
/*** MODULEINFO
<support_level>core</support_level>
***/
#include "asterisk.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sqlite3.h>
#include <libgen.h> /* OS X doesn't have the basename function in strings.h */
#include "db1-ast/include/db.h"
static sqlite3 *sql3db;
static DB *bdb;
static int add_row_to_bdb(void *arg, int columns, char **values, char **column_names)
{
DBT key = { 0, }, value = { 0, };
if (columns != 2 || strcmp(column_names[0], "key") || strcmp(column_names[1], "value")) {
fprintf(stderr, "Unknown row type\n");
return SQLITE_ABORT;
}
key.data = values[0];
key.size = strlen(values[0]) + 1;
value.data = values[1];
value.size = strlen(values[1]) + 1;
if (bdb->put(bdb, &key, &value, 0)) {
return SQLITE_ABORT;
}
bdb->sync(bdb, 0);
return 0;
}
static int convert_bdb_to_sqlite3(void)
{
char *errmsg = NULL;
if (sqlite3_exec(sql3db, "SELECT key,value FROM astdb", add_row_to_bdb, NULL, &errmsg) != SQLITE_OK) {
fprintf(stderr, "Could not add row to Berkeley DB: %s\n", errmsg);
return -1;
}
return 0;
}
static int db_open_sqlite3(const char *dbname)
{
if (sqlite3_open(dbname, &sql3db) != SQLITE_OK) {
fprintf(stderr, "Unable to open Asterisk database '%s': %s\n", dbname, sqlite3_errmsg(sql3db));
sqlite3_close(sql3db);
return -1;
}
return 0;
}
static int create_bdb_astdb(void)
{
if (!bdb && !(bdb = dbopen("astdb", O_CREAT | O_RDWR | O_TRUNC, AST_FILE_MODE, DB_BTREE, NULL))) {
fprintf(stderr, "Unable to create astdb: %s\n", strerror(errno));
return -1;
}
return 0;
}
int main(int argc, char *argv[])
{
struct stat dont_care;
if (argc != 2) {
fprintf(stderr, "%s takes the path of SQLite3 astdb as its only argument\n", basename(argv[0]));
fprintf(stderr, "and will produce a file 'astdb' in the current directory\n"
"Make a backup of any existing Berkeley DB astdb you have and copy\n"
"the new astdb to its location: often /var/lib/asterisk/astdb\n");
exit(-1);
}
if (stat(argv[1], &dont_care)) {
fprintf(stderr, "Unable to open %s: %s\n", argv[1], strerror(errno));
exit(-1);
}
if (db_open_sqlite3(argv[1])) {
exit(-1);
}
if (create_bdb_astdb()) {
exit(-1);
}
if (convert_bdb_to_sqlite3()) {
fprintf(stderr, "Database conversion failed!\n");
exit(-1);
sqlite3_close(sql3db);
}
printf("Created ./astdb. Back up any existing astdb and copy the created\n");
printf("astdb file to the original's location. Often /var/lib/asterisk/astdb.\n");
sqlite3_close(sql3db);
return 0;
}