Asterisk - The Open Source Telephony Project  GIT-master-1b41629
astdb2bdb.c
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1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 2011, Digium, Inc.
5  *
6  * Mark Spencer <twilson@digium.com>
7  *
8  * See http://www.asterisk.org for more information about
9  * the Asterisk project. Please do not directly contact
10  * any of the maintainers of this project for assistance;
11  * the project provides a web site, mailing lists and IRC
12  * channels for your use.
13  *
14  * This program is free software, distributed under the terms of
15  * the GNU General Public License Version 2. See the LICENSE file
16  * at the top of the source tree.
17  */
18 
19 /*! \file
20  *
21  * \brief SQLite 3 astdb to Berkeley DB converter
22  *
23  * \author Terry Wilson <twilson@digium.com>
24  */
25 
26 /*** MODULEINFO
27  <support_level>core</support_level>
28  ***/
29 
30 #include "asterisk.h"
31 
32 #include <sys/types.h>
33 #include <sys/stat.h>
34 #include <fcntl.h>
35 #include <unistd.h>
36 #include <sqlite3.h>
37 #include <libgen.h> /* OS X doesn't have the basename function in strings.h */
38 
39 #include "db1-ast/include/db.h"
40 
41 static sqlite3 *sql3db;
42 static DB *bdb;
43 
44 static int add_row_to_bdb(void *arg, int columns, char **values, char **column_names)
45 {
46  DBT key = { 0, }, value = { 0, };
47 
48  if (columns != 2 || strcmp(column_names[0], "key") || strcmp(column_names[1], "value")) {
49  fprintf(stderr, "Unknown row type\n");
50  return SQLITE_ABORT;
51  }
52 
53  key.data = values[0];
54  key.size = strlen(values[0]) + 1;
55  value.data = values[1];
56  value.size = strlen(values[1]) + 1;
57 
58  if (bdb->put(bdb, &key, &value, 0)) {
59  return SQLITE_ABORT;
60  }
61 
62  bdb->sync(bdb, 0);
63 
64  return 0;
65 }
66 
67 static int convert_bdb_to_sqlite3(void)
68 {
69  char *errmsg = NULL;
70  if (sqlite3_exec(sql3db, "SELECT key,value FROM astdb", add_row_to_bdb, NULL, &errmsg) != SQLITE_OK) {
71  fprintf(stderr, "Could not add row to Berkeley DB: %s\n", errmsg);
72  return -1;
73  }
74 
75  return 0;
76 }
77 
78 static int db_open_sqlite3(const char *dbname)
79 {
80  if (sqlite3_open(dbname, &sql3db) != SQLITE_OK) {
81  fprintf(stderr, "Unable to open Asterisk database '%s': %s\n", dbname, sqlite3_errmsg(sql3db));
82  sqlite3_close(sql3db);
83  return -1;
84  }
85 
86  return 0;
87 }
88 
89 static int create_bdb_astdb(void)
90 {
91  if (!bdb && !(bdb = dbopen("astdb", O_CREAT | O_RDWR | O_TRUNC, AST_FILE_MODE, DB_BTREE, NULL))) {
92  fprintf(stderr, "Unable to create astdb: %s\n", strerror(errno));
93  return -1;
94  }
95  return 0;
96 }
97 
98 int main(int argc, char *argv[])
99 {
100  struct stat dont_care;
101 
102  if (argc != 2) {
103  fprintf(stderr, "%s takes the path of SQLite3 astdb as its only argument\n", basename(argv[0]));
104  fprintf(stderr, "and will produce a file 'astdb' in the current directory\n"
105  "Make a backup of any existing Berkeley DB astdb you have and copy\n"
106  "the new astdb to its location: often /var/lib/asterisk/astdb\n");
107  exit(-1);
108  }
109 
110  if (stat(argv[1], &dont_care)) {
111  fprintf(stderr, "Unable to open %s: %s\n", argv[1], strerror(errno));
112  exit(-1);
113  }
114 
115  if (db_open_sqlite3(argv[1])) {
116  exit(-1);
117  }
118 
119  if (create_bdb_astdb()) {
120  exit(-1);
121  }
122 
123  if (convert_bdb_to_sqlite3()) {
124  fprintf(stderr, "Database conversion failed!\n");
125  exit(-1);
126  sqlite3_close(sql3db);
127  }
128 
129  printf("Created ./astdb. Back up any existing astdb and copy the created\n");
130  printf("astdb file to the original's location. Often /var/lib/asterisk/astdb.\n");
131 
132  sqlite3_close(sql3db);
133  return 0;
134 }
void * data
Definition: db.h:86
static int db_open_sqlite3(const char *dbname)
Definition: astdb2bdb.c:78
Asterisk main include file. File version handling, generic pbx functions.
size_t size
Definition: db.h:87
int main(int argc, char *argv[])
Definition: astdb2bdb.c:98
static sqlite3 * sql3db
Definition: astdb2bdb.c:41
Definition: db.h:85
#define NULL
Definition: resample.c:96
int value
Definition: syslog.c:37
#define AST_FILE_MODE
Definition: asterisk.h:32
static int create_bdb_astdb(void)
Definition: astdb2bdb.c:89
Definition: db.h:103
int errno
static struct ast_str * dbname
Definition: cdr_mysql.c:77
static int add_row_to_bdb(void *arg, int columns, char **values, char **column_names)
Definition: astdb2bdb.c:44
Definition: db.h:129
static DB * bdb
Definition: astdb2bdb.c:42
DB * dbopen(char *fname, int flags, int mode, DBTYPE type, const void *openinfo) const
static int convert_bdb_to_sqlite3(void)
Definition: astdb2bdb.c:67
char * key
Definition: astdb.h:33