-/*
- * Bacula Catalog Database routines specific to MySQL
- * These are MySQL specific routines -- hopefully all
- * other files are generic.
+/*
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2017 Kern Sibbald
+
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
+
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
+*/
+/*
+ * Bacula Catalog Database routines specific to MySQL
+ * These are MySQL specific routines -- hopefully all
+ * other files are generic.
+ *
+ * Written by Kern Sibbald, March 2000
*
- * Kern Sibbald, March 2000
- *
- * Version $Id$
- */
-
-/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- 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 along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
- */
-
-
-/* The following is necessary so that we do not include
- * the dummy external definition of DB.
- */
-#define __SQL_C /* indicate that this is sql.c */
-
-#include "bacula.h"
-#include "cats.h"
-
-#ifdef HAVE_MYSQL
-
-/* -----------------------------------------------------------------------
- *
- * MySQL dependent defines and subroutines
- *
- * -----------------------------------------------------------------------
- */
-
-/* List of open databases */
-static BQUEUE db_list = {&db_list, &db_list};
-
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
-/*
- * Initialize database data structure. In principal this should
- * never have errors, or it is really fatal.
- */
-B_DB *
-db_init_database(void *jcr, char *db_name, char *db_user, char *db_password)
-{
- B_DB *mdb;
-
- P(mutex); /* lock DB queue */
- /* Look to see if DB already open */
- for (mdb=NULL; (mdb=(B_DB *)qnext(&db_list, &mdb->bq)); ) {
- if (strcmp(mdb->db_name, db_name) == 0) {
- Dmsg2(100, "DB REopen %d %s\n", mdb->ref_count, db_name);
- mdb->ref_count++;
- V(mutex);
- return mdb; /* already open */
- }
+ * Note: at one point, this file was changed to class based by a certain
+ * programmer, and other than "wrapping" in a class, which is a trivial
+ * change for a C++ programmer, nothing substantial was done, yet all the
+ * code was recommitted under this programmer's name. Consequently, we
+ * undo those changes here.
+ */
+
+#include "bacula.h"
+
+#ifdef HAVE_MYSQL
+
+#include "cats.h"
+#include <mysql.h>
+#define __BDB_MYSQL_H_ 1
+#include "bdb_mysql.h"
+
+/* -----------------------------------------------------------------------
+ *
+ * MySQL dependent defines and subroutines
+ *
+ * -----------------------------------------------------------------------
+ */
+
+/* List of open databases */
+static dlist *db_list = NULL;
+
+static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
+BDB_MYSQL::BDB_MYSQL(): BDB()
+{
+ BDB_MYSQL *mdb = this;
+
+ if (db_list == NULL) {
+ db_list = New(dlist(this, &this->m_link));
+ }
+ mdb->m_db_driver_type = SQL_DRIVER_TYPE_MYSQL;
+ mdb->m_db_type = SQL_TYPE_MYSQL;
+ mdb->m_db_driver = bstrdup("MySQL");
+ mdb->errmsg = get_pool_memory(PM_EMSG); /* get error message buffer */
+ mdb->errmsg[0] = 0;
+ mdb->cmd = get_pool_memory(PM_EMSG); /* get command buffer */
+ mdb->cached_path = get_pool_memory(PM_FNAME);
+ mdb->cached_path_id = 0;
+ mdb->m_ref_count = 1;
+ mdb->fname = get_pool_memory(PM_FNAME);
+ 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->m_use_fatal_jmsg = true;
+
+ /* Initialize the private members. */
+ mdb->m_db_handle = NULL;
+ mdb->m_result = NULL;
+
+ db_list->append(this);
+}
+
+BDB_MYSQL::~BDB_MYSQL()
+{
+}
+
+/*
+ * Initialize database data structure. In principal this should
+ * never have errors, or it is really fatal.
+ */
+BDB *db_init_database(JCR *jcr, const char *db_driver, const char *db_name, const char *db_user,
+ const char *db_password, const char *db_address, int db_port, const char *db_socket,
+ const char *db_ssl_mode, const char *db_ssl_key,
+ const char *db_ssl_cert, const char *db_ssl_ca,
+ const char *db_ssl_capath, const char *db_ssl_cipher,
+ bool mult_db_connections, bool disable_batch_insert)
+{
+ BDB_MYSQL *mdb = NULL;
+
+ if (!db_user) {
+ Jmsg(jcr, M_FATAL, 0, _("A user name for MySQL must be supplied.\n"));
+ return NULL;
+ }
+ P(mutex); /* lock DB queue */
+
+ /*
+ * Look to see if DB already open
+ */
+ if (db_list && !mult_db_connections) {
+ foreach_dlist(mdb, db_list) {
+ if (mdb->bdb_match_database(db_driver, db_name, db_address, db_port)) {
+ Dmsg1(100, "DB REopen %s\n", db_name);
+ mdb->increment_refcount();
+ goto get_out;
+ }
+ }
+ }
+ Dmsg0(100, "db_init_database first time\n");
+ mdb = New(BDB_MYSQL());
+ if (!mdb) goto get_out;
+
+ /*
+ * Initialize the parent class members.
+ */
+ mdb->m_db_name = bstrdup(db_name);
+ mdb->m_db_user = bstrdup(db_user);
+ if (db_password) {
+ mdb->m_db_password = bstrdup(db_password);
+ }
+ if (db_address) {
+ mdb->m_db_address = bstrdup(db_address);
+ }
+ if (db_socket) {
+ mdb->m_db_socket = bstrdup(db_socket);
+ }
+ if (db_ssl_mode) {
+ mdb->m_db_ssl_mode = bstrdup(db_ssl_mode);
+ } else {
+ mdb->m_db_ssl_mode = bstrdup("preferred");
}
- Dmsg0(100, "db_open first time\n");
- mdb = (B_DB *) malloc(sizeof(B_DB));
- memset(mdb, 0, sizeof(B_DB));
- mdb->db_name = bstrdup(db_name);
- mdb->db_user = bstrdup(db_user);
- mdb->db_password = bstrdup(db_password);
- 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->cached_path = get_pool_memory(PM_FNAME);
- mdb->cached_path_id = 0;
- mdb->ref_count = 1;
- qinsert(&db_list, &mdb->bq); /* put db in list */
- mdb->jcr = jcr;
- V(mutex);
- return mdb;
-}
-
-/*
- * Now actually open the database. This can generate errors,
- * which are returned in the errmsg
- */
-int
-db_open_database(B_DB *mdb)
-{
- int errstat;
-
- P(mutex);
- if (mdb->connected) {
- V(mutex);
- return 1;
+ if (db_ssl_key) {
+ mdb->m_db_ssl_key = bstrdup(db_ssl_key);
}
- mdb->connected = FALSE;
-
- if ((errstat=rwl_init(&mdb->lock)) != 0) {
- Mmsg1(&mdb->errmsg, _("Unable to initialize DB lock. ERR=%s\n"),
- strerror(errstat));
- V(mutex);
- return 0;
+ if (db_ssl_cert) {
+ mdb->m_db_ssl_cert = bstrdup(db_ssl_cert);
}
-
- /* connect to the database */
-#ifdef HAVE_EMBEDDED_MYSQL
- mysql_server_init(0, NULL, NULL);
-#endif
- mysql_init(&(mdb->mysql));
- Dmsg0(50, "mysql_init done\n");
- mdb->db = mysql_real_connect(
- &(mdb->mysql), /* db */
- NULL, /* default = localhost */
- mdb->db_user, /* login name */
- mdb->db_password, /* password */
- mdb->db_name, /* database name */
- 0, /* default port */
- NULL, /* default = socket */
- 0); /* flags = none */
-
- /* If no connect, try once more incase it is a timing problem */
- if (mdb->db == NULL) {
- mdb->db = mysql_real_connect(
- &(mdb->mysql), /* db */
- NULL, /* default = localhost */
- mdb->db_user, /* login name */
- mdb->db_password, /* password */
- mdb->db_name, /* database name */
- 0, /* default port */
- NULL, /* default = socket */
- 0); /* flags = none */
+ if (db_ssl_ca) {
+ mdb->m_db_ssl_ca = bstrdup(db_ssl_ca);
}
-
- Dmsg0(50, "mysql_real_connect done\n");
- Dmsg3(50, "db_user=%s db_name=%s db_password=%s\n", mdb->db_user, mdb->db_name,
- mdb->db_password==NULL?"(NULL)":mdb->db_password);
-
- if (mdb->db == NULL) {
- Mmsg2(&mdb->errmsg, _("Unable to connect to MySQL server. \n\
-Database=%s User=%s\n\
-It is probably not running or your password is incorrect.\n"),
- mdb->db_name, mdb->db_user);
- V(mutex);
- return 0;
+ if (db_ssl_capath) {
+ mdb->m_db_ssl_capath = bstrdup(db_ssl_capath);
}
-
- if (!check_tables_version(mdb)) {
- V(mutex);
- return 0;
+ if (db_ssl_cipher) {
+ mdb->m_db_ssl_cipher = bstrdup(db_ssl_cipher);
+ }
+ mdb->m_db_port = db_port;
+
+ if (disable_batch_insert) {
+ mdb->m_disabled_batch_insert = true;
+ mdb->m_have_batch_insert = false;
+ } else {
+ mdb->m_disabled_batch_insert = false;
+#ifdef USE_BATCH_FILE_INSERT
+#ifdef HAVE_MYSQL_THREAD_SAFE
+ mdb->m_have_batch_insert = mysql_thread_safe();
+#else
+ mdb->m_have_batch_insert = false;
+#endif /* HAVE_MYSQL_THREAD_SAFE */
+#else
+ mdb->m_have_batch_insert = false;
+#endif /* USE_BATCH_FILE_INSERT */
+ }
+
+ mdb->m_allow_transactions = mult_db_connections;
+
+ /* At this time, when mult_db_connections == true, this is for
+ * specific console command such as bvfs or batch mode, and we don't
+ * want to share a batch mode or bvfs. In the future, we can change
+ * the creation function to add this parameter.
+ */
+ mdb->m_dedicated = mult_db_connections;
+
+get_out:
+ V(mutex);
+ return mdb;
+}
+
+
+/*
+ * Now actually open the database. This can generate errors,
+ * which are returned in the errmsg
+ *
+ * DO NOT close the database or delete mdb here !!!!
+ */
+bool BDB_MYSQL::bdb_open_database(JCR *jcr)
+{
+ BDB_MYSQL *mdb = this;
+ bool retval = false;
+ int errstat;
+
+ P(mutex);
+ if (mdb->m_connected) {
+ retval = true;
+ goto get_out;
+ }
+
+ if ((errstat=rwl_init(&mdb->m_lock)) != 0) {
+ berrno be;
+ Mmsg1(&mdb->errmsg, _("Unable to initialize DB lock. ERR=%s\n"),
+ be.bstrerror(errstat));
+ goto get_out;
+ }
+
+ /*
+ * Connect to the database
+ */
+#ifdef xHAVE_EMBEDDED_MYSQL
+// mysql_server_init(0, NULL, NULL);
+#endif
+ mysql_init(&mdb->m_instance);
+
+ Dmsg0(50, "mysql_init done\n");
+
+ /*
+ * Sets the appropriate certificate options for
+ * establishing secure connection using SSL to the database.
+ */
+ if (mdb->m_db_ssl_key) {
+ mysql_ssl_set(&(mdb->m_instance),
+ mdb->m_db_ssl_key,
+ mdb->m_db_ssl_cert,
+ mdb->m_db_ssl_ca,
+ mdb->m_db_ssl_capath,
+ mdb->m_db_ssl_cipher);
}
- mdb->connected = TRUE;
- V(mutex);
- return 1;
-}
+ /*
+ * If connection fails, try at 5 sec intervals for 30 seconds.
+ */
+ for (int retry=0; retry < 6; retry++) {
+ mdb->m_db_handle = mysql_real_connect(
+ &(mdb->m_instance), /* db */
+ mdb->m_db_address, /* default = localhost */
+ mdb->m_db_user, /* login name */
+ mdb->m_db_password, /* password */
+ mdb->m_db_name, /* database name */
+ mdb->m_db_port, /* default port */
+ mdb->m_db_socket, /* default = socket */
+ CLIENT_FOUND_ROWS); /* flags */
+
+ /*
+ * If no connect, try once more in case it is a timing problem
+ */
+ if (mdb->m_db_handle != NULL) {
+ break;
+ }
+ bmicrosleep(5,0);
+ }
+
+ mdb->m_instance.reconnect = 1; /* so connection does not timeout */
+ Dmsg0(50, "mysql_real_connect done\n");
+ Dmsg3(50, "db_user=%s db_name=%s db_password=%s\n", mdb->m_db_user, mdb->m_db_name,
+ (mdb->m_db_password == NULL) ? "(NULL)" : mdb->m_db_password);
+
+ if (mdb->m_db_handle == NULL) {
+ Mmsg2(&mdb->errmsg, _("Unable to connect to MySQL server.\n"
+"Database=%s User=%s\n"
+"MySQL connect failed either server not running or your authorization is incorrect.\n"),
+ mdb->m_db_name, mdb->m_db_user);
+#if MYSQL_VERSION_ID >= 40101
+ Dmsg3(50, "Error %u (%s): %s\n",
+ mysql_errno(&(mdb->m_instance)), mysql_sqlstate(&(mdb->m_instance)),
+ mysql_error(&(mdb->m_instance)));
+#else
+ Dmsg2(50, "Error %u: %s\n",
+ mysql_errno(&(mdb->m_instance)), mysql_error(&(mdb->m_instance)));
+#endif
+ goto get_out;
+ }
+
+ /* get the current cipher used for SSL connection */
+ if (mdb->m_db_ssl_key) {
+ const char *cipher;
+ if (mdb->m_db_ssl_cipher) {
+ free(mdb->m_db_ssl_cipher);
+ }
+ cipher = (const char *)mysql_get_ssl_cipher(&(mdb->m_instance));
+ if (cipher) {
+ mdb->m_db_ssl_cipher = bstrdup(cipher);
+ }
+ Dmsg1(50, "db_ssl_ciper=%s\n", (mdb->m_db_ssl_cipher == NULL) ? "(NULL)" : mdb->m_db_ssl_cipher);
+ }
-void
-db_close_database(B_DB *mdb)
-{
- P(mutex);
- mdb->ref_count--;
- if (mdb->ref_count == 0) {
- qdchain(&mdb->bq);
- if (mdb->connected && mdb->db) {
- sql_close(mdb);
-#ifdef HAVE_EMBEDDED_MYSQL
- mysql_server_end();
-#endif
+ mdb->m_connected = true;
+ if (!bdb_check_version(jcr)) {
+ goto get_out;
+ }
+
+ Dmsg3(100, "opendb ref=%d connected=%d db=%p\n", mdb->m_ref_count, mdb->m_connected, mdb->m_db_handle);
+
+ /*
+ * Set connection timeout to 8 days specialy for batch mode
+ */
+ sql_query("SET wait_timeout=691200");
+ sql_query("SET interactive_timeout=691200");
+
+ retval = true;
+
+get_out:
+ V(mutex);
+ return retval;
+}
+
+void BDB_MYSQL::bdb_close_database(JCR *jcr)
+{
+ BDB_MYSQL *mdb = this;
+
+ if (mdb->m_connected) {
+ bdb_end_transaction(jcr);
+ }
+ P(mutex);
+ mdb->m_ref_count--;
+ Dmsg3(100, "closedb ref=%d connected=%d db=%p\n", mdb->m_ref_count, mdb->m_connected, mdb->m_db_handle);
+ if (mdb->m_ref_count == 0) {
+ if (mdb->m_connected) {
+ sql_free_result();
+ }
+ db_list->remove(mdb);
+ if (mdb->m_connected) {
+ Dmsg1(100, "close db=%p\n", mdb->m_db_handle);
+ mysql_close(&mdb->m_instance);
+ }
+ if (is_rwl_valid(&mdb->m_lock)) {
+ rwl_destroy(&mdb->m_lock);
+ }
+ free_pool_memory(mdb->errmsg);
+ free_pool_memory(mdb->cmd);
+ free_pool_memory(mdb->cached_path);
+ free_pool_memory(mdb->fname);
+ 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->m_db_driver) {
+ free(mdb->m_db_driver);
+ }
+ if (mdb->m_db_name) {
+ free(mdb->m_db_name);
+ }
+ if (mdb->m_db_user) {
+ free(mdb->m_db_user);
+ }
+ if (mdb->m_db_password) {
+ free(mdb->m_db_password);
+ }
+ if (mdb->m_db_address) {
+ free(mdb->m_db_address);
+ }
+ if (mdb->m_db_socket) {
+ free(mdb->m_db_socket);
}
-/* pthread_mutex_destroy(&mdb->mutex); */
- rwl_destroy(&mdb->lock);
- free_pool_memory(mdb->errmsg);
- free_pool_memory(mdb->cmd);
- free_pool_memory(mdb->cached_path);
- if (mdb->db_name) {
- free(mdb->db_name);
+ if (mdb->m_db_ssl_mode) {
+ free(mdb->m_db_ssl_mode);
}
- if (mdb->db_user) {
- free(mdb->db_user);
+ if (mdb->m_db_ssl_key) {
+ free(mdb->m_db_ssl_key);
}
- if (mdb->db_password) {
- free(mdb->db_password);
+ if (mdb->m_db_ssl_cert) {
+ free(mdb->m_db_ssl_cert);
}
- free(mdb);
- }
- V(mutex);
-}
-
-/*
- * Return the next unique index (auto-increment) for
- * the given table. Return NULL on error.
- *
- * For MySQL, NULL causes the auto-increment value
- * to be updated.
- */
-int db_next_index(B_DB *mdb, char *table, char *index)
-{
- strcpy(index, "NULL");
- return 1;
-}
-
-
-
-void
-db_escape_string(char *snew, char *old, int len)
-{
- mysql_escape_string(snew, old, len);
-}
-
-/*
- * 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, char *query, DB_RESULT_HANDLER *result_handler, void *ctx)
-{
- SQL_ROW row;
-
- db_lock(mdb);
- if (sql_query(mdb, query) != 0) {
- Mmsg(&mdb->errmsg, _("Query failed: %s: ERR=%s\n"), query, sql_strerror(mdb));
- db_unlock(mdb);
- return 0;
- }
- if (result_handler != NULL) {
- if ((mdb->result = sql_store_result(mdb)) != NULL) {
- int num_fields = sql_num_fields(mdb);
-
- while ((row = sql_fetch_row(mdb)) != NULL) {
- if (result_handler(ctx, num_fields, row))
- break;
- }
-
- sql_free_result(mdb);
+ if (mdb->m_db_ssl_ca) {
+ free(mdb->m_db_ssl_ca);
}
- }
- db_unlock(mdb);
- return 1;
-
-}
-
-
-static void
-list_dashes(B_DB *mdb, DB_LIST_HANDLER *send, void *ctx)
-{
- SQL_FIELD *field;
- unsigned int i, j;
-
- sql_field_seek(mdb, 0);
- send(ctx, "+");
- for (i = 0; i < sql_num_fields(mdb); i++) {
- field = sql_fetch_field(mdb);
- for (j = 0; j < field->max_length + 2; j++)
- send(ctx, "-");
- send(ctx, "+");
- }
- send(ctx, "\n");
-}
-
-void
-list_result(B_DB *mdb, DB_LIST_HANDLER *send, void *ctx)
-{
- SQL_FIELD *field;
- SQL_ROW row;
- unsigned int i, col_len;
- char buf[2000], ewc[30];
-
- if (mdb->result == NULL) {
- send(ctx, _("No results to list.\n"));
- return;
- }
- /* determine column display widths */
- sql_field_seek(mdb, 0);
- for (i = 0; i < sql_num_fields(mdb); i++) {
- field = sql_fetch_field(mdb);
- if (IS_NUM(field->type) && field->max_length > 0) { /* fixup for commas */
- field->max_length += (field->max_length - 1) / 3;
+ if (mdb->m_db_ssl_capath) {
+ free(mdb->m_db_ssl_capath);
}
- col_len = strlen(field->name);
- if (col_len < field->max_length)
- col_len = field->max_length;
- if (col_len < 4 && !IS_NOT_NULL(field->flags))
- col_len = 4; /* 4 = length of the word "NULL" */
- field->max_length = col_len; /* reset column info */
- }
-
- list_dashes(mdb, send, ctx);
- send(ctx, "|");
- sql_field_seek(mdb, 0);
- for (i = 0; i < sql_num_fields(mdb); i++) {
- field = sql_fetch_field(mdb);
- sprintf(buf, " %-*s |", (int)field->max_length, field->name);
- send(ctx, buf);
- }
- send(ctx, "\n");
- list_dashes(mdb, send, ctx);
-
- while ((row = sql_fetch_row(mdb)) != NULL) {
- sql_field_seek(mdb, 0);
- send(ctx, "|");
- for (i = 0; i < sql_num_fields(mdb); i++) {
- field = sql_fetch_field(mdb);
- if (row[i] == NULL) {
- sprintf(buf, " %-*s |", (int)field->max_length, "NULL");
- } else if (IS_NUM(field->type)) {
- sprintf(buf, " %*s |", (int)field->max_length,
- add_commas(row[i], ewc));
- } else {
- sprintf(buf, " %-*s |", (int)field->max_length, row[i]);
- }
- send(ctx, buf);
+ if (mdb->m_db_ssl_cipher) {
+ free(mdb->m_db_ssl_cipher);
}
- send(ctx, "\n");
- }
- list_dashes(mdb, send, ctx);
-}
-
-
-#endif /* HAVE_MYSQL */
+ delete mdb;
+ if (db_list->size() == 0) {
+ delete db_list;
+ db_list = NULL;
+ }
+ }
+ V(mutex);
+}
+
+/*
+ * This call is needed because the message channel thread
+ * opens a database on behalf of a jcr that was created in
+ * a different thread. MySQL then allocates thread specific
+ * data, which is NOT freed when the original jcr thread
+ * closes the database. Thus the msgchan must call here
+ * to cleanup any thread specific data that it created.
+ */
+void BDB_MYSQL::bdb_thread_cleanup(void)
+{
+#ifndef HAVE_WIN32
+ mysql_thread_end(); /* Cleanup thread specific data */
+#endif
+}
+
+/*
+ * Escape strings so MySQL is happy
+ *
+ * len is the length of the old string. Your new
+ * string must be long enough (max 2*old+1) to hold
+ * the escaped output.
+ */
+void BDB_MYSQL::bdb_escape_string(JCR *jcr, char *snew, char *old, int len)
+{
+ BDB_MYSQL *mdb = this;
+ mysql_real_escape_string(mdb->m_db_handle, snew, old, len);
+}
+
+/*
+ * Escape binary object so that MySQL is happy
+ * Memory is stored in BDB struct, no need to free it
+ */
+char *BDB_MYSQL::bdb_escape_object(JCR *jcr, char *old, int len)
+{
+ BDB_MYSQL *mdb = this;
+ mdb->esc_obj = check_pool_memory_size(mdb->esc_obj, len*2+1);
+ mysql_real_escape_string(mdb->m_db_handle, mdb->esc_obj, old, len);
+ return mdb->esc_obj;
+}
+
+/*
+ * Unescape binary object so that MySQL is happy
+ */
+void BDB_MYSQL::bdb_unescape_object(JCR *jcr, 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;
+}
+
+void BDB_MYSQL::bdb_start_transaction(JCR *jcr)
+{
+ if (!jcr->attr) {
+ jcr->attr = get_pool_memory(PM_FNAME);
+ }
+ if (!jcr->ar) {
+ jcr->ar = (ATTR_DBR *)malloc(sizeof(ATTR_DBR));
+ memset(jcr->ar, 0, sizeof(ATTR_DBR));
+ }
+}
+
+void BDB_MYSQL::bdb_end_transaction(JCR *jcr)
+{
+ if (jcr && jcr->cached_attribute) {
+ Dmsg0(400, "Flush last cached attribute.\n");
+ if (!bdb_create_attributes_record(jcr, jcr->ar)) {
+ Jmsg1(jcr, M_FATAL, 0, _("Attribute create error. %s"), jcr->db->bdb_strerror());
+ }
+ jcr->cached_attribute = false;
+ }
+}
+
+/*
+ * Submit a general SQL command (cmd), and for each row returned,
+ * the result_handler is called with the ctx.
+ */
+bool BDB_MYSQL::bdb_sql_query(const char *query, DB_RESULT_HANDLER *result_handler, void *ctx)
+{
+ int ret;
+ SQL_ROW row;
+ bool send = true;
+ bool retval = false;
+ BDB_MYSQL *mdb = this;
+
+ Dmsg1(500, "db_sql_query starts with %s\n", query);
+
+ bdb_lock();
+ errmsg[0] = 0;
+ ret = mysql_query(m_db_handle, query);
+ if (ret != 0) {
+ Mmsg(mdb->errmsg, _("Query failed: %s: ERR=%s\n"), query, sql_strerror());
+ Dmsg0(500, "db_sql_query failed\n");
+ goto get_out;
+ }
+
+ Dmsg0(500, "db_sql_query succeeded. checking handler\n");
+
+ if (result_handler) {
+ if ((mdb->m_result = mysql_use_result(mdb->m_db_handle)) != NULL) {
+ mdb->m_num_fields = mysql_num_fields(mdb->m_result);
+
+ /*
+ * We *must* fetch all rows
+ */
+ while ((row = mysql_fetch_row(m_result))) {
+ if (send) {
+ /* the result handler returns 1 when it has
+ * seen all the data it wants. However, we
+ * loop to the end of the data.
+ */
+ if (result_handler(ctx, mdb->m_num_fields, row)) {
+ send = false;
+ }
+ }
+ }
+ sql_free_result();
+ }
+ }
+
+ Dmsg0(500, "db_sql_query finished\n");
+ retval = true;
+
+get_out:
+ bdb_unlock();
+ return retval;
+}
+
+bool BDB_MYSQL::sql_query(const char *query, int flags)
+{
+ int ret;
+ bool retval = true;
+ BDB_MYSQL *mdb = this;
+
+ Dmsg1(500, "sql_query starts with '%s'\n", query);
+ /*
+ * We are starting a new query. reset everything.
+ */
+ mdb->m_num_rows = -1;
+ mdb->m_row_number = -1;
+ mdb->m_field_number = -1;
+
+ if (mdb->m_result) {
+ mysql_free_result(mdb->m_result);
+ mdb->m_result = NULL;
+ }
+
+ ret = mysql_query(mdb->m_db_handle, query);
+ if (ret == 0) {
+ Dmsg0(500, "we have a result\n");
+ if (flags & QF_STORE_RESULT) {
+ mdb->m_result = mysql_store_result(mdb->m_db_handle);
+ if (mdb->m_result != NULL) {
+ mdb->m_num_fields = mysql_num_fields(mdb->m_result);
+ Dmsg1(500, "we have %d fields\n", mdb->m_num_fields);
+ mdb->m_num_rows = mysql_num_rows(mdb->m_result);
+ Dmsg1(500, "we have %d rows\n", mdb->m_num_rows);
+ } else {
+ mdb->m_num_fields = 0;
+ mdb->m_num_rows = mysql_affected_rows(mdb->m_db_handle);
+ Dmsg1(500, "we have %d rows\n", mdb->m_num_rows);
+ }
+ } else {
+ mdb->m_num_fields = 0;
+ mdb->m_num_rows = mysql_affected_rows(mdb->m_db_handle);
+ Dmsg1(500, "we have %d rows\n", mdb->m_num_rows);
+ }
+ } else {
+ Dmsg0(500, "we failed\n");
+ mdb->m_status = 1; /* failed */
+ retval = false;
+ }
+ return retval;
+}
+
+void BDB_MYSQL::sql_free_result(void)
+{
+ BDB_MYSQL *mdb = this;
+ bdb_lock();
+ if (mdb->m_result) {
+ mysql_free_result(mdb->m_result);
+ mdb->m_result = NULL;
+ }
+ if (mdb->m_fields) {
+ free(mdb->m_fields);
+ mdb->m_fields = NULL;
+ }
+ mdb->m_num_rows = mdb->m_num_fields = 0;
+ bdb_unlock();
+}
+
+SQL_ROW BDB_MYSQL::sql_fetch_row(void)
+{
+ BDB_MYSQL *mdb = this;
+ if (!mdb->m_result) {
+ return NULL;
+ } else {
+ return mysql_fetch_row(mdb->m_result);
+ }
+}
+
+const char *BDB_MYSQL::sql_strerror(void)
+{
+ BDB_MYSQL *mdb = this;
+ return mysql_error(mdb->m_db_handle);
+}
+
+void BDB_MYSQL::sql_data_seek(int row)
+{
+ BDB_MYSQL *mdb = this;
+ return mysql_data_seek(mdb->m_result, row);
+}
+
+int BDB_MYSQL::sql_affected_rows(void)
+{
+ BDB_MYSQL *mdb = this;
+ return mysql_affected_rows(mdb->m_db_handle);
+}
+
+uint64_t BDB_MYSQL::sql_insert_autokey_record(const char *query, const char *table_name)
+{
+ BDB_MYSQL *mdb = this;
+ /*
+ * First execute the insert query and then retrieve the currval.
+ */
+ if (mysql_query(mdb->m_db_handle, query) != 0) {
+ return 0;
+ }
+
+ mdb->m_num_rows = mysql_affected_rows(mdb->m_db_handle);
+ if (mdb->m_num_rows != 1) {
+ return 0;
+ }
+
+ mdb->changes++;
+
+ return mysql_insert_id(mdb->m_db_handle);
+}
+
+SQL_FIELD *BDB_MYSQL::sql_fetch_field(void)
+{
+ int i;
+ MYSQL_FIELD *field;
+ BDB_MYSQL *mdb = this;
+
+ if (!mdb->m_fields || mdb->m_fields_size < mdb->m_num_fields) {
+ if (mdb->m_fields) {
+ free(mdb->m_fields);
+ mdb->m_fields = NULL;
+ }
+ Dmsg1(500, "allocating space for %d fields\n", mdb->m_num_fields);
+ mdb->m_fields = (SQL_FIELD *)malloc(sizeof(SQL_FIELD) * mdb->m_num_fields);
+ mdb->m_fields_size = mdb->m_num_fields;
+
+ for (i = 0; i < mdb->m_num_fields; i++) {
+ Dmsg1(500, "filling field %d\n", i);
+ if ((field = mysql_fetch_field(mdb->m_result)) != NULL) {
+ mdb->m_fields[i].name = field->name;
+ mdb->m_fields[i].max_length = field->max_length;
+ mdb->m_fields[i].type = field->type;
+ mdb->m_fields[i].flags = field->flags;
+
+ Dmsg4(500, "sql_fetch_field finds field '%s' has length='%d' type='%d' and IsNull=%d\n",
+ mdb->m_fields[i].name, mdb->m_fields[i].max_length, mdb->m_fields[i].type, mdb->m_fields[i].flags);
+ }
+ }
+ }
+
+ /*
+ * Increment field number for the next time around
+ */
+ return &mdb->m_fields[mdb->m_field_number++];
+}
+
+bool BDB_MYSQL::sql_field_is_not_null(int field_type)
+{
+ return IS_NOT_NULL(field_type);
+}
+
+bool BDB_MYSQL::sql_field_is_numeric(int field_type)
+{
+ return IS_NUM(field_type);
+}
+
+/*
+ * Returns true if OK
+ * false if failed
+ */
+bool BDB_MYSQL::sql_batch_start(JCR *jcr)
+{
+ BDB_MYSQL *mdb = this;
+ bool retval;
+
+ bdb_lock();
+ retval = sql_query("CREATE TEMPORARY TABLE batch ("
+ "FileIndex integer,"
+ "JobId integer,"
+ "Path blob,"
+ "Name blob,"
+ "LStat tinyblob,"
+ "MD5 tinyblob,"
+ "DeltaSeq integer)");
+ bdb_unlock();
+
+ /*
+ * Keep track of the number of changes in batch mode.
+ */
+ mdb->changes = 0;
+
+ return retval;
+}
+
+/* set error to something to abort operation */
+/*
+ * Returns true if OK
+ * false if failed
+ */
+bool BDB_MYSQL::sql_batch_end(JCR *jcr, const char *error)
+{
+ BDB_MYSQL *mdb = this;
+
+ mdb->m_status = 0;
+
+ /*
+ * Flush any pending inserts.
+ */
+ if (mdb->changes) {
+ return sql_query(mdb->cmd);
+ }
+
+ return true;
+}
+
+/*
+ * Returns true if OK
+ * false if failed
+ */
+bool BDB_MYSQL::sql_batch_insert(JCR *jcr, ATTR_DBR *ar)
+{
+ BDB_MYSQL *mdb = this;
+ const char *digest;
+ char ed1[50];
+
+ mdb->esc_name = check_pool_memory_size(mdb->esc_name, mdb->fnl*2+1);
+ bdb_escape_string(jcr, mdb->esc_name, mdb->fname, mdb->fnl);
+
+ mdb->esc_path = check_pool_memory_size(mdb->esc_path, mdb->pnl*2+1);
+ bdb_escape_string(jcr, mdb->esc_path, mdb->path, mdb->pnl);
+
+ if (ar->Digest == NULL || ar->Digest[0] == 0) {
+ digest = "0";
+ } else {
+ digest = ar->Digest;
+ }
+
+ /*
+ * Try to batch up multiple inserts using multi-row inserts.
+ */
+ if (mdb->changes == 0) {
+ Mmsg(cmd, "INSERT INTO batch VALUES "
+ "(%u,%s,'%s','%s','%s','%s',%u)",
+ ar->FileIndex, edit_int64(ar->JobId,ed1), mdb->esc_path,
+ mdb->esc_name, ar->attr, digest, ar->DeltaSeq);
+ mdb->changes++;
+ } else {
+ /*
+ * We use the esc_obj for temporary storage otherwise
+ * we keep on copying data.
+ */
+ Mmsg(mdb->esc_obj, ",(%u,%s,'%s','%s','%s','%s',%u)",
+ ar->FileIndex, edit_int64(ar->JobId,ed1), mdb->esc_path,
+ mdb->esc_name, ar->attr, digest, ar->DeltaSeq);
+ pm_strcat(mdb->cmd, mdb->esc_obj);
+ mdb->changes++;
+ }
+
+ /*
+ * See if we need to flush the query buffer filled
+ * with multi-row inserts.
+ */
+ if ((mdb->changes % MYSQL_CHANGES_PER_BATCH_INSERT) == 0) {
+ if (!sql_query(mdb->cmd)) {
+ mdb->changes = 0;
+ return false;
+ } else {
+ mdb->changes = 0;
+ }
+ }
+ return true;
+}
+
+
+#endif /* HAVE_MYSQL */
projects / bacula / bacula / blobdiff