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-rw-r--r--utils/astdb2sqlite3.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/utils/astdb2sqlite3.c b/utils/astdb2sqlite3.c
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+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 1999 - 2005, Digium, Inc.
+ *
+ * Mark Spencer <markster@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 Berekeley DB to SQLite3 converter
+ *
+ * \author Terry Wilson <twilson@digium.com>
+ */
+
+#include "asterisk.h"
+
+//ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#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"
+
+#define MAX_DB_FIELD 256
+#define MIN(a,b) \
+({ typeof (a) _a = (a); \
+ typeof (b) _b = (b); \
+ a < _b ? _a : _b; })
+
+static sqlite3 *astdb;
+
+#define DEFINE_SQL_STATEMENT(stmt,sql) static sqlite3_stmt *stmt; \
+ const char stmt##_sql[] = sql;
+
+DEFINE_SQL_STATEMENT(put_stmt, "INSERT OR REPLACE INTO astdb (key, value) VALUES (?, ?)")
+DEFINE_SQL_STATEMENT(create_astdb_stmt, "CREATE TABLE IF NOT EXISTS astdb(key VARCHAR(256), value VARCHAR(256), PRIMARY KEY(key))")
+
+static int db_execute_transaction_sql(const char *sql)
+{
+ char *errmsg = NULL;
+ int res =0;
+
+ sqlite3_exec(astdb, sql, NULL, NULL, &errmsg);
+ if (errmsg) {
+ fprintf(stderr, "Error executing SQL: %s\n", errmsg);
+ sqlite3_free(errmsg);
+ res = -1;
+ }
+
+ return res;
+}
+
+static int ast_db_begin_transaction(void)
+{
+ return db_execute_transaction_sql("BEGIN TRANSACTION");
+}
+
+static int ast_db_commit_transaction(void)
+{
+ return db_execute_transaction_sql("COMMIT");
+}
+
+static int ast_db_rollback_transaction(void)
+{
+ return db_execute_transaction_sql("ROLLBACK");
+}
+
+static int db_put_raw(const char *key, size_t keylen, const char *value, size_t valuelen)
+{
+ int res = 0;
+
+ if (sqlite3_bind_text(put_stmt, 1, key, keylen, SQLITE_STATIC) != SQLITE_OK) {
+ fprintf(stderr, "Couldn't bind key to stmt: %s\n", sqlite3_errmsg(astdb));
+ res = -1;
+ } else if (sqlite3_bind_text(put_stmt, 2, value, valuelen, SQLITE_STATIC) != SQLITE_OK) {
+ fprintf(stderr, "Couldn't bind value to stmt: %s\n", sqlite3_errmsg(astdb));
+ res = -1;
+ } else if (sqlite3_step(put_stmt) != SQLITE_DONE) {
+ fprintf(stderr, "Couldn't execute statment: %s\n", sqlite3_errmsg(astdb));
+ res = -1;
+ }
+ sqlite3_reset(put_stmt);
+
+ return res;
+}
+
+static int convert_bdb_to_sqlite3(const char *bdb_dbname)
+{
+ DB *bdb;
+ DBT key = { 0, }, value = { 0, }, last_key = { 0, };
+ int res, last = 0;
+ char last_key_s[MAX_DB_FIELD];
+
+ if (!(bdb = dbopen(bdb_dbname, O_RDONLY, AST_FILE_MODE, DB_BTREE, NULL))) {
+ fprintf(stderr, "Unable to open Asterisk database '%s'\n", bdb_dbname);
+ return -1;
+ }
+
+ if (bdb->seq(bdb, &last_key, &value, R_LAST)) {
+ /* Empty database */
+ return 0;
+ }
+
+ memcpy(last_key_s, last_key.data, MIN(last_key.size - 1, sizeof(last_key_s)));
+ last_key_s[last_key.size - 1] = '\0';
+ for (res = bdb->seq(bdb, &key, &value, R_FIRST);
+ !res; res = bdb->seq(bdb, &key, &value, R_NEXT)) {
+ last = !strcmp(key.data, last_key_s);
+ db_put_raw((const char *) key.data, key.size - 1, (const char *) value.data, value.size - 1);
+ if (last) {
+ break;
+ }
+ }
+
+ bdb->close(bdb);
+
+ return 0;
+}
+
+static int init_stmt(sqlite3_stmt **stmt, const char *sql, size_t len)
+{
+ if (sqlite3_prepare(astdb, sql, len, stmt, NULL) != SQLITE_OK) {
+ fprintf(stderr, "Couldn't prepare statement '%s': %s\n", sql, sqlite3_errmsg(astdb));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int db_create_astdb(void)
+{
+ if (init_stmt(&create_astdb_stmt, create_astdb_stmt_sql, sizeof(create_astdb_stmt_sql))) {
+ return -1;
+ }
+
+ ast_db_begin_transaction();
+ if (sqlite3_step(create_astdb_stmt) != SQLITE_DONE) {
+ fprintf(stderr, "Couldn't create astdb table: %s\n", sqlite3_errmsg(astdb));
+ ast_db_rollback_transaction();
+ sqlite3_reset(create_astdb_stmt);
+ return -1;
+ }
+
+ ast_db_commit_transaction();
+ sqlite3_reset(create_astdb_stmt);
+
+ return 0;
+}
+
+static int init_statements(void)
+{
+ /* Don't initialize create_astdb_statment here as the astdb table needs to exist
+ * brefore these statments can be initialized */
+ return init_stmt(&put_stmt, put_stmt_sql, sizeof(put_stmt_sql));
+}
+
+static int db_open(const char *dbname)
+{
+ if (sqlite3_open(dbname, &astdb) != SQLITE_OK) {
+ fprintf(stderr, "Unable to open Asterisk database '%s': %s\n", dbname, sqlite3_errmsg(astdb));
+ sqlite3_close(astdb);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int sql_db_init(const char *dbname)
+{
+ if (db_open(dbname) || db_create_astdb() || init_statements()) {
+ return -1;
+ }
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ char *dbname;
+ struct stat dont_care;
+
+ if (argc != 2) {
+ fprintf(stderr, "%s takes the path of astdb as its only argument\n", basename(argv[0]));
+ exit(-1);
+ }
+
+ if (stat(argv[1], &dont_care)) {
+ fprintf(stderr, "Unable to open %s: %s\n", argv[1], strerror(errno));
+ exit(-1);
+ }
+
+ if (!(dbname = alloca(strlen(argv[1]) + sizeof(".sqlite3")))) {
+ exit(-1);
+ }
+
+ strcpy(dbname, argv[1]);
+ strcat(dbname, ".sqlite3");
+
+ if (!stat(dbname, &dont_care)) {
+ fprintf(stderr, "%s already exists!\n", dbname);
+ exit(-1);
+ }
+
+ if (sql_db_init(dbname)) {
+ exit(-1);
+ }
+
+ if (convert_bdb_to_sqlite3(argv[1])) {
+ fprintf(stderr, "Database conversion failed!\n");
+ exit(-1);
+ sqlite3_close(astdb);
+ }
+
+ sqlite3_close(astdb);
+ return 0;
+}