/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2010 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Bacula® is a registered trademark of John Walker.
+ Bacula® is a registered trademark of Kern Sibbald.
The licensor of Bacula is the Free Software Foundation Europe
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
*
* Kern Sibbald, January 2002
*
- * Version $Id$
*/
*/
/* List of open databases */
-static BQUEUE db_list = {&db_list, &db_list};
+static dlist *db_list = NULL;
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-int QueryDB(const char *file, int line, JCR *jcr, B_DB *db, char *select_cmd);
-
-
/*
* Retrieve database type
*/
const char *
db_get_type(void)
{
+#ifdef HAVE_SQLITE3
+ return "SQLite3";
+#else
return "SQLite";
+#endif
}
/*
const char *db_address, int db_port, const char *db_socket,
int mult_db_connections)
{
- B_DB *mdb;
+ B_DB *mdb = NULL;
P(mutex); /* lock DB queue */
+ if (db_list == NULL) {
+ db_list = New(dlist(mdb, &mdb->link));
+ }
/* Look to see if DB already open */
if (!mult_db_connections) {
- for (mdb=NULL; (mdb=(B_DB *)qnext(&db_list, &mdb->bq)); ) {
+ foreach_dlist(mdb, db_list) {
if (bstrcmp(mdb->db_name, db_name) &&
bstrcmp(mdb->db_address, db_address) &&
mdb->db_port == db_port) {
}
}
Dmsg0(300, "db_open first time\n");
- mdb = (B_DB *) malloc(sizeof(B_DB));
+ mdb = (B_DB *)malloc(sizeof(B_DB));
memset(mdb, 0, sizeof(B_DB));
mdb->db_name = bstrdup(db_name);
- mdb->have_insert_id = TRUE;
mdb->errmsg = get_pool_memory(PM_EMSG); /* get error message buffer */
*mdb->errmsg = 0;
mdb->cmd = get_pool_memory(PM_EMSG); /* get command buffer */
mdb->path = get_pool_memory(PM_FNAME);
mdb->esc_name = get_pool_memory(PM_FNAME);
mdb->esc_path = get_pool_memory(PM_FNAME);
+ mdb->esc_obj = get_pool_memory(PM_FNAME);
mdb->allow_transactions = mult_db_connections;
- qinsert(&db_list, &mdb->bq); /* put db in list */
+ db_list->append(mdb);
V(mutex);
return mdb;
}
int len;
struct stat statbuf;
int errstat;
+ int retry = 0;
P(mutex);
if (mdb->connected) {
mdb->connected = FALSE;
if ((errstat=rwl_init(&mdb->lock)) != 0) {
+ berrno be;
Mmsg1(&mdb->errmsg, _("Unable to initialize DB lock. ERR=%s\n"),
- strerror(errstat));
+ be.bstrerror(errstat));
V(mutex);
return 0;
}
return 0;
}
+ for (mdb->db=NULL; !mdb->db && retry++ < 10; ) {
#ifdef HAVE_SQLITE3
- int stat = sqlite3_open(db_name, &mdb->db);
- if (stat != SQLITE_OK) {
- mdb->sqlite_errmsg = (char *)sqlite3_errmsg(mdb->db);
- sqlite3_close(mdb->db);
- mdb->db = NULL;
- } else {
- mdb->sqlite_errmsg = NULL;
- }
-#ifdef SQLITE3_INIT_QUERY
- db_sql_query(mdb, SQLITE3_INIT_QUERY, NULL, NULL);
-#endif
-
+ int stat = sqlite3_open(db_name, &mdb->db);
+ if (stat != SQLITE_OK) {
+ mdb->sqlite_errmsg = (char *)sqlite3_errmsg(mdb->db);
+ sqlite3_close(mdb->db);
+ mdb->db = NULL;
+ } else {
+ mdb->sqlite_errmsg = NULL;
+ }
#else
- mdb->db = sqlite_open(
- db_name, /* database name */
- 644, /* mode */
- &mdb->sqlite_errmsg); /* error message */
+ mdb->db = sqlite_open(
+ db_name, /* database name */
+ 644, /* mode */
+ &mdb->sqlite_errmsg); /* error message */
#endif
- Dmsg0(300, "sqlite_open\n");
-
+ Dmsg0(300, "sqlite_open\n");
+ if (!mdb->db) {
+ bmicrosleep(1, 0);
+ }
+ }
if (mdb->db == NULL) {
Mmsg2(&mdb->errmsg, _("Unable to open Database=%s. ERR=%s\n"),
db_name, mdb->sqlite_errmsg ? mdb->sqlite_errmsg : _("unknown"));
}
mdb->connected = true;
free(db_name);
- if (!check_tables_version(jcr, mdb)) {
- V(mutex);
- return 0;
- }
/* set busy handler to wait when we use mult_db_connections = 1 */
#ifdef HAVE_SQLITE3
sqlite_busy_handler(mdb->db, my_busy_handler, NULL);
#endif
+#if defined(HAVE_SQLITE3) && defined(SQLITE3_INIT_QUERY)
+ db_sql_query(mdb, SQLITE3_INIT_QUERY, NULL, NULL);
+#endif
+
+ if (!check_tables_version(jcr, mdb)) {
+ V(mutex);
+ return 0;
+ }
+
+
V(mutex);
return 1;
}
sql_free_result(mdb);
mdb->ref_count--;
if (mdb->ref_count == 0) {
- qdchain(&mdb->bq);
+ db_list->remove(mdb);
if (mdb->connected && mdb->db) {
sqlite_close(mdb->db);
}
free_pool_memory(mdb->path);
free_pool_memory(mdb->esc_name);
free_pool_memory(mdb->esc_path);
+ free_pool_memory(mdb->esc_obj);
if (mdb->db_name) {
free(mdb->db_name);
}
free(mdb);
+ if (db_list->size() == 0) {
+ delete db_list;
+ db_list = NULL;
+ }
}
V(mutex);
}
+void db_check_backend_thread_safe()
+{
+#ifdef HAVE_BATCH_FILE_INSERT
+# ifdef HAVE_SQLITE3_THREADSAFE
+ if (!sqlite3_threadsafe()) {
+ Emsg0(M_ABORT, 0, _("SQLite3 client library must be thread-safe "
+ "when using BatchMode.\n"));
+ }
+# endif
+#endif
+}
+
void db_thread_cleanup()
{
#ifdef HAVE_SQLITE3
return 1;
}
+/*
+ * Escape binary object so that SQLite is happy
+ * Memory is stored in B_DB struct, no need to free it
+ *
+ * TODO: this should be implemented (escape \0)
+ */
+char *
+db_escape_object(JCR *jcr, B_DB *mdb, char *old, int len)
+{
+ char *n, *o;
+
+ n = mdb->esc_obj = check_pool_memory_size(mdb->esc_obj, len*2+1);
+ o = old;
+ while (len--) {
+ switch (*o) {
+ case '\'':
+ *n++ = '\'';
+ *n++ = '\'';
+ o++;
+ break;
+ case 0:
+ *n++ = '\\';
+ *n++ = 0;
+ o++;
+ break;
+ default:
+ *n++ = *o++;
+ break;
+ }
+ }
+ *n = 0;
+ return mdb->esc_obj;
+}
+
+/*
+ * Unescape binary object so that SQLIte is happy
+ *
+ * TODO: need to be implemented (escape \0)
+ */
+void
+db_unescape_object(JCR *jcr, B_DB *mdb,
+ char *from, int32_t expected_len,
+ POOLMEM **dest, int32_t *dest_len)
+{
+ if (!from) {
+ *dest[0] = 0;
+ *dest_len = 0;
+ return;
+ }
+ *dest = check_pool_memory_size(*dest, expected_len+1);
+ *dest_len = expected_len;
+ memcpy(*dest, from, expected_len);
+ (*dest)[expected_len]=0;
+}
/*
* Escape strings so that SQLite is happy
* the escaped output.
*/
void
-db_escape_string(JCR *jcr, B_DB *db, char *snew, char *old, int len)
+db_escape_string(JCR *jcr, B_DB *mdb, char *snew, char *old, int len)
{
char *n, *o;
* Submit a general SQL command (cmd), and for each row returned,
* the sqlite_handler is called with the ctx.
*/
-int db_sql_query(B_DB *mdb, const char *query, DB_RESULT_HANDLER *result_handler, void *ctx)
+bool db_sql_query(B_DB *mdb, const char *query, DB_RESULT_HANDLER *result_handler, void *ctx)
{
struct rh_data rh_data;
int stat;
rh_data.result_handler = result_handler;
rh_data.ctx = ctx;
stat = sqlite_exec(mdb->db, query, sqlite_result, (void *)&rh_data, &mdb->sqlite_errmsg);
- if (stat != 0) {
+ if (stat != SQLITE_OK) {
Mmsg(mdb->errmsg, _("Query failed: %s: ERR=%s\n"), query, sql_strerror(mdb));
db_unlock(mdb);
- return 0;
+ return false;
}
db_unlock(mdb);
- return 1;
+ return true;
}
/*
}
stat = sqlite_get_table(mdb->db, (char *)cmd, &mdb->result, &mdb->nrow, &mdb->ncolumn,
&mdb->sqlite_errmsg);
- mdb->row = 0; /* row fetched */
+ mdb->row = 0; /* no row fetched yet */
+ if (stat != 0) { /* something went wrong */
+ mdb->nrow = mdb->ncolumn = 0;
+ }
return stat;
}
/* Fetch one row at a time */
SQL_ROW my_sqlite_fetch_row(B_DB *mdb)
{
- if (mdb->row >= mdb->nrow) {
+ if (!mdb->result || (mdb->row >= mdb->nrow)) {
return NULL;
}
mdb->row++;
if (mdb->fields_defined) {
for (i=0; i < sql_num_fields(mdb); i++) {
- free(mdb->fields[i]);
+ if (mdb->fields[i]) {
+ free(mdb->fields[i]);
+ mdb->fields[i] = NULL;
+ }
+ }
+ if (mdb->fields) {
+ free(mdb->fields);
+ mdb->fields = NULL;
}
- free(mdb->fields);
mdb->fields_defined = false;
}
if (mdb->result) {
{
int i, j;
if (mdb->result == NULL) {
+ mdb->field = 0;
return;
}
/* On first call, set up the fields */
mdb->fields = (SQL_FIELD **)malloc(sizeof(SQL_FIELD) * mdb->ncolumn);
for (i=0; i < sql_num_fields(mdb); i++) {
mdb->fields[i] = (SQL_FIELD *)malloc(sizeof(SQL_FIELD));
+ /* ***FIXME*** it seems to me that this is wrong
+ * fields has lots of items
+ */
+ if (mdb->result[i] == NULL) {
+ mdb->fields_defined = false;
+ free(mdb->fields);
+ mdb->fields = NULL;
+ mdb->field = 0;
+ return;
+ }
mdb->fields[i]->name = mdb->result[i];
mdb->fields[i]->length = cstrlen(mdb->fields[i]->name);
mdb->fields[i]->max_length = mdb->fields[i]->length;
mdb->fields[i]->type = 0;
mdb->fields[i]->flags = 1; /* not null */
}
- mdb->fields_defined = TRUE;
+ mdb->fields_defined = true;
}
- if (field > sql_num_fields(mdb)) {
- field = sql_num_fields(mdb);
+ if (sql_num_fields(mdb) <= 0) {
+ field = 0;
+ } else if (field > sql_num_fields(mdb) - 1) {
+ field = sql_num_fields(mdb) - 1;
}
mdb->field = field;
-
}
SQL_FIELD *my_sqlite_fetch_field(B_DB *mdb)
{
- return mdb->fields[mdb->field++];
+ if (mdb->fields_defined && mdb->field < sql_num_fields(mdb)) {
+ return mdb->fields[mdb->field++];
+ } else {
+ mdb->field = 0;
+ return NULL;
+ }
+}
+
+uint64_t my_sqlite_insert_autokey_record(B_DB *mdb, const char *query, const char *table_name)
+{
+ /*
+ * First execute the insert query and then retrieve the currval.
+ */
+ if (my_sqlite_query(mdb, query)) {
+ return 0;
+ }
+
+ mdb->num_rows = sql_affected_rows(mdb);
+ if (mdb->num_rows != 1) {
+ return 0;
+ }
+
+ mdb->changes++;
+
+#ifdef HAVE_SQLITE3
+ return sqlite3_last_insert_rowid(mdb->db);
+#else
+ return sqlite_last_insert_rowid(mdb->db);
+#endif
}
-char *my_sqlite_batch_lock_query = "BEGIN";
-char *my_sqlite_batch_unlock_query = "COMMIT";
-char *my_sqlite_batch_fill_path_query = "INSERT INTO Path (Path) "
- " SELECT DISTINCT Path FROM batch "
- " EXCEPT SELECT Path FROM Path ";
+#ifdef HAVE_BATCH_FILE_INSERT
+const char *my_sqlite_batch_lock_query = "BEGIN";
+const char *my_sqlite_batch_unlock_query = "COMMIT";
-char *my_sqlite_batch_fill_filename_query = "INSERT INTO Filename (Name) "
- " SELECT DISTINCT Name FROM batch "
- " EXCEPT SELECT Name FROM Filename ";
+const char *my_sqlite_batch_fill_path_query =
+ "INSERT INTO Path (Path)"
+ " SELECT DISTINCT Path FROM batch"
+ " EXCEPT SELECT Path FROM Path";
+const char *my_sqlite_batch_fill_filename_query =
+ "INSERT INTO Filename (Name)"
+ " SELECT DISTINCT Name FROM batch "
+ " EXCEPT SELECT Name FROM Filename";
+#endif /* HAVE_BATCH_FILE_INSERT */
#endif /* HAVE_SQLITE */
projects / bacula / bacula / blobdiff