/*
- * Bacula Catalog Database routines specific to MySQL
- * These are MySQL specific routines -- hopefully all
- * other files are generic.
- *
- * Kern Sibbald, March 2000
- *
- * Version $Id$
- */
+ Bacula® - The Network Backup Solution
-/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Copyright (C) 2000-2011 Free Software Foundation Europe e.V.
- 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.
+ 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 three of the GNU Affero General Public
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ 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.
-
- */
+ 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.
-
-/* The following is necessary so that we do not include
- * the dummy external definition of DB.
+ 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.
+*/
+/*
+ * Bacula Catalog Database routines specific to MySQL
+ * These are MySQL specific routines -- hopefully all
+ * other files are generic.
+ *
+ * Kern Sibbald, March 2000
+ *
+ * Major rewrite by Marco van Wieringen, January 2010 for catalog refactoring.
*/
-#define __SQL_C /* indicate that this is sql.c */
#include "bacula.h"
-#include "cats.h"
#ifdef HAVE_MYSQL
+#include "cats.h"
+#include "bdb_priv.h"
+#include <mysql.h>
+#include <bdb_mysql.h>
+
/* -----------------------------------------------------------------------
*
* MySQL dependent defines and subroutines
* -----------------------------------------------------------------------
*/
-/* List of open databases */
-static BQUEUE db_list = {&db_list, &db_list};
+/*
+ * List of open databases
+ */
+static dlist *db_list = NULL;
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_MYSQL::B_DB_MYSQL(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,
+ bool mult_db_connections,
+ bool disable_batch_insert)
{
- 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 */
- }
+ /*
+ * Initialize the parent class members.
+ */
+ m_db_interface_type = SQL_INTERFACE_TYPE_MYSQL;
+ m_db_type = SQL_TYPE_MYSQL;
+ m_db_driver = bstrdup("MySQL");
+ m_db_name = bstrdup(db_name);
+ m_db_user = bstrdup(db_user);
+ if (db_password) {
+ m_db_password = bstrdup(db_password);
}
- 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;
+ if (db_address) {
+ m_db_address = bstrdup(db_address);
+ }
+ if (db_socket) {
+ m_db_socket = bstrdup(db_socket);
+ }
+ m_db_port = db_port;
+
+ if (disable_batch_insert) {
+ m_disabled_batch_insert = true;
+ m_have_batch_insert = false;
+ } else {
+ m_disabled_batch_insert = false;
+#if defined(USE_BATCH_FILE_INSERT)
+# if defined(HAVE_MYSQL_THREAD_SAFE)
+ m_have_batch_insert = mysql_thread_safe();
+# else
+ m_have_batch_insert = false;
+# endif /* HAVE_MYSQL_THREAD_SAFE */
+#else
+ m_have_batch_insert = false;
+#endif /* USE_BATCH_FILE_INSERT */
+ }
+ errmsg = get_pool_memory(PM_EMSG); /* get error message buffer */
+ *errmsg = 0;
+ cmd = get_pool_memory(PM_EMSG); /* get command buffer */
+ cached_path = get_pool_memory(PM_FNAME);
+ cached_path_id = 0;
+ m_ref_count = 1;
+ fname = get_pool_memory(PM_FNAME);
+ path = get_pool_memory(PM_FNAME);
+ esc_name = get_pool_memory(PM_FNAME);
+ esc_path = get_pool_memory(PM_FNAME);
+ esc_obj = get_pool_memory(PM_FNAME);
+ 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.
+ */
+ m_dedicated = mult_db_connections;
+
+ /*
+ * Initialize the private members.
+ */
+ m_db_handle = NULL;
+ m_result = NULL;
+
+ /*
+ * Put the db in the list.
+ */
+ if (db_list == NULL) {
+ db_list = New(dlist(this, &this->m_link));
+ }
+ db_list->append(this);
+}
+
+B_DB_MYSQL::~B_DB_MYSQL()
+{
}
/*
* Now actually open the database. This can generate errors,
- * which are returned in the errmsg
+ * which are returned in the errmsg
+ *
+ * DO NOT close the database or delete mdb here !!!!
*/
-int
-db_open_database(B_DB *mdb)
+bool B_DB_MYSQL::db_open_database(JCR *jcr)
{
+ bool retval = false;
+ int errstat;
+
P(mutex);
- if (mdb->connected) {
- V(mutex);
- return 1;
+ if (m_connected) {
+ retval = true;
+ goto bail_out;
}
- mdb->connected = FALSE;
- if (rwl_init(&mdb->lock) != 0) {
- Mmsg1(&mdb->errmsg, "Unable to initialize DB lock. ERR=%s\n", strerror(errno));
- V(mutex);
- return 0;
+ if ((errstat=rwl_init(&m_lock)) != 0) {
+ berrno be;
+ Mmsg1(&errmsg, _("Unable to initialize DB lock. ERR=%s\n"),
+ be.bstrerror(errstat));
+ goto bail_out;
}
- /* connect to the database */
-#ifdef HAVE_EMBEDDED_MYSQL
- mysql_server_init(0, NULL, NULL);
+ /*
+ * Connect to the database
+ */
+#ifdef xHAVE_EMBEDDED_MYSQL
+// mysql_server_init(0, NULL, NULL);
#endif
- mysql_init(&(mdb->mysql));
+ mysql_init(&m_instance);
+
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 connection fails, try at 5 sec intervals for 30 seconds.
+ */
+ for (int retry=0; retry < 6; retry++) {
+ m_db_handle = mysql_real_connect(
+ &(m_instance), /* db */
+ m_db_address, /* default = localhost */
+ m_db_user, /* login name */
+ m_db_password, /* password */
+ m_db_name, /* database name */
+ m_db_port, /* default port */
+ m_db_socket, /* default = socket */
+ CLIENT_FOUND_ROWS); /* flags */
+
+ /*
+ * If no connect, try once more in case it is a timing problem
+ */
+ if (m_db_handle != NULL) {
+ break;
+ }
+ bmicrosleep(5,0);
}
-
+
+ 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->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;
+ Dmsg3(50, "db_user=%s db_name=%s db_password=%s\n", m_db_user, m_db_name,
+ (m_db_password == NULL) ? "(NULL)" : m_db_password);
+
+ if (m_db_handle == NULL) {
+ Mmsg2(&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"),
+ m_db_name, m_db_user);
+#if MYSQL_VERSION_ID >= 40101
+ Dmsg3(50, "Error %u (%s): %s\n",
+ mysql_errno(&(m_instance)), mysql_sqlstate(&(m_instance)),
+ mysql_error(&(m_instance)));
+#else
+ Dmsg2(50, "Error %u: %s\n",
+ mysql_errno(&(m_instance)), mysql_error(&(m_instance)));
+#endif
+ goto bail_out;
}
- if (!check_tables_version(mdb)) {
- V(mutex);
- return 0;
+ m_connected = true;
+ if (!check_tables_version(jcr, this)) {
+ goto bail_out;
}
- mdb->connected = TRUE;
+ Dmsg3(100, "opendb ref=%d connected=%d db=%p\n", m_ref_count, m_connected, 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;
+
+bail_out:
V(mutex);
- return 1;
+ return retval;
}
-void
-db_close_database(B_DB *mdb)
+void B_DB_MYSQL::db_close_database(JCR *jcr)
{
+ db_end_transaction(jcr);
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();
+ m_ref_count--;
+ Dmsg3(100, "closedb ref=%d connected=%d db=%p\n", m_ref_count, m_connected, m_db_handle);
+ if (m_ref_count == 0) {
+ sql_free_result();
+ db_list->remove(this);
+ if (m_connected) {
+ Dmsg1(100, "close db=%p\n", m_db_handle);
+ mysql_close(&m_instance);
+
+#ifdef xHAVE_EMBEDDED_MYSQL
+// mysql_server_end();
#endif
}
-/* 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);
+ rwl_destroy(&m_lock);
+ free_pool_memory(errmsg);
+ free_pool_memory(cmd);
+ free_pool_memory(cached_path);
+ free_pool_memory(fname);
+ free_pool_memory(path);
+ free_pool_memory(esc_name);
+ free_pool_memory(esc_path);
+ free_pool_memory(esc_obj);
+ if (m_db_driver) {
+ free(m_db_driver);
+ }
+ if (m_db_name) {
+ free(m_db_name);
+ }
+ if (m_db_user) {
+ free(m_db_user);
+ }
+ if (m_db_password) {
+ free(m_db_password);
+ }
+ if (m_db_address) {
+ free(m_db_address);
}
- if (mdb->db_user) {
- free(mdb->db_user);
+ if (m_db_socket) {
+ free(m_db_socket);
}
- if (mdb->db_password) {
- free(mdb->db_password);
+ delete this;
+ if (db_list->size() == 0) {
+ delete db_list;
+ db_list = NULL;
}
- 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.
+ * 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 B_DB_MYSQL::db_thread_cleanup(void)
+{
+#ifndef HAVE_WIN32
+ mysql_thread_end();
+#endif
+}
+
+/*
+ * Escape strings so that MySQL is happy
+ *
+ * NOTE! len is the length of the old string. Your new
+ * string must be long enough (max 2*old+1) to hold
+ * the escaped output.
*/
-int db_next_index(B_DB *mdb, char *table, char *index)
+void B_DB_MYSQL::db_escape_string(JCR *jcr, char *snew, char *old, int len)
{
- strcpy(index, "NULL");
- return 1;
-}
+ mysql_real_escape_string(m_db_handle, snew, old, len);
+}
+/*
+ * Escape binary object so that MySQL is happy
+ * Memory is stored in B_DB struct, no need to free it
+ */
+char *B_DB_MYSQL::db_escape_object(JCR *jcr, char *old, int len)
+{
+ esc_obj = check_pool_memory_size(esc_obj, len*2+1);
+ mysql_real_escape_string(m_db_handle, esc_obj, old, len);
+ return esc_obj;
+}
+/*
+ * Unescape binary object so that MySQL is happy
+ */
+void B_DB_MYSQL::db_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
-db_escape_string(char *snew, char *old, int len)
+void B_DB_MYSQL::db_start_transaction(JCR *jcr)
{
- mysql_escape_string(snew, old, len);
+ if (!jcr->attr) {
+ jcr->attr = get_pool_memory(PM_FNAME);
+ }
+ if (!jcr->ar) {
+ jcr->ar = (ATTR_DBR *)malloc(sizeof(ATTR_DBR));
+ }
+}
+
+void B_DB_MYSQL::db_end_transaction(JCR *jcr)
+{
+ if (jcr && jcr->cached_attribute) {
+ Dmsg0(400, "Flush last cached attribute.\n");
+ if (!db_create_attributes_record(jcr, this, jcr->ar)) {
+ Jmsg1(jcr, M_FATAL, 0, _("Attribute create error. %s"), db_strerror(jcr->db));
+ }
+ jcr->cached_attribute = false;
+ }
}
/*
* Submit a general SQL command (cmd), and for each row returned,
- * the sqlite_handler is called with the ctx.
+ * the result_handler is called with the ctx.
*/
-int db_sql_query(B_DB *mdb, char *query, DB_RESULT_HANDLER *result_handler, void *ctx)
+bool B_DB_MYSQL::db_sql_query(const char *query, DB_RESULT_HANDLER *result_handler, void *ctx)
{
+ int ret;
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;
+ bool send = true;
+ bool retval = false;
+
+ Dmsg1(500, "db_sql_query starts with %s\n", query);
+
+ db_lock(this);
+ ret = mysql_query(m_db_handle, query);
+ if (ret != 0) {
+ Mmsg(errmsg, _("Query failed: %s: ERR=%s\n"), query, sql_strerror());
+ Dmsg0(500, "db_sql_query failed\n");
+ goto bail_out;
}
- 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;
- }
+ Dmsg0(500, "db_sql_query succeeded. checking handler\n");
- sql_free_result(mdb);
+ if (result_handler != NULL) {
+ if ((m_result = mysql_use_result(m_db_handle)) != NULL) {
+ m_num_fields = mysql_num_fields(m_result);
+
+ /*
+ * We *must* fetch all rows
+ */
+ while ((row = mysql_fetch_row(m_result)) != NULL) {
+ 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, m_num_fields, row)) {
+ send = false;
+ }
+ }
+ }
+ sql_free_result();
}
}
- db_unlock(mdb);
- return 1;
+ Dmsg0(500, "db_sql_query finished\n");
+ retval = true;
+
+bail_out:
+ db_unlock(this);
+ return retval;
}
+bool B_DB_MYSQL::sql_query(const char *query, int flags)
+{
+ int ret;
+ bool retval = true;
+
+ Dmsg1(500, "sql_query starts with '%s'\n", query);
+ /*
+ * We are starting a new query. reset everything.
+ */
+ m_num_rows = -1;
+ m_row_number = -1;
+ m_field_number = -1;
+
+ if (m_result) {
+ mysql_free_result(m_result);
+ m_result = NULL;
+ }
-static void
-list_dashes(B_DB *mdb, DB_LIST_HANDLER *send, void *ctx)
+ ret = mysql_query(m_db_handle, query);
+ if (ret == 0) {
+ Dmsg0(500, "we have a result\n");
+ if (flags & QF_STORE_RESULT) {
+ m_result = mysql_store_result(m_db_handle);
+ if (m_result != NULL) {
+ m_num_fields = mysql_num_fields(m_result);
+ Dmsg1(500, "we have %d fields\n", m_num_fields);
+ m_num_rows = mysql_num_rows(m_result);
+ Dmsg1(500, "we have %d rows\n", m_num_rows);
+ } else {
+ m_num_fields = 0;
+ m_num_rows = mysql_affected_rows(m_db_handle);
+ Dmsg1(500, "we have %d rows\n", m_num_rows);
+ }
+ } else {
+ m_num_fields = 0;
+ m_num_rows = mysql_affected_rows(m_db_handle);
+ Dmsg1(500, "we have %d rows\n", m_num_rows);
+ }
+ } else {
+ Dmsg0(500, "we failed\n");
+ m_status = 1; /* failed */
+ retval = false;
+ }
+ return retval;
+}
+
+void B_DB_MYSQL::sql_free_result(void)
{
- 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, "+");
+ db_lock(this);
+ if (m_result) {
+ mysql_free_result(m_result);
+ m_result = NULL;
}
- send(ctx, "\n");
+ if (m_fields) {
+ free(m_fields);
+ m_fields = NULL;
+ }
+ m_num_rows = m_num_fields = 0;
+ db_unlock(this);
}
-void
-list_result(B_DB *mdb, DB_LIST_HANDLER *send, void *ctx)
+SQL_ROW B_DB_MYSQL::sql_fetch_row(void)
{
- SQL_FIELD *field;
- SQL_ROW row;
- unsigned int i, col_len;
- char buf[2000], ewc[30];
+ if (!m_result) {
+ return NULL;
+ } else {
+ return mysql_fetch_row(m_result);
+ }
+}
- if (mdb->result == NULL) {
- send(ctx, _("No results to list.\n"));
- return;
+const char *B_DB_MYSQL::sql_strerror(void)
+{
+ return mysql_error(m_db_handle);
+}
+
+void B_DB_MYSQL::sql_data_seek(int row)
+{
+ return mysql_data_seek(m_result, row);
+}
+
+int B_DB_MYSQL::sql_affected_rows(void)
+{
+ return mysql_affected_rows(m_db_handle);
+}
+
+uint64_t B_DB_MYSQL::sql_insert_autokey_record(const char *query, const char *table_name)
+{
+ /*
+ * First execute the insert query and then retrieve the currval.
+ */
+ if (mysql_query(m_db_handle, query) != 0) {
+ return 0;
}
- /* 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;
+
+ m_num_rows = mysql_affected_rows(m_db_handle);
+ if (m_num_rows != 1) {
+ return 0;
+ }
+
+ changes++;
+
+ return mysql_insert_id(m_db_handle);
+}
+
+SQL_FIELD *B_DB_MYSQL::sql_fetch_field(void)
+{
+ int i;
+ MYSQL_FIELD *field;
+
+ if (!m_fields || m_fields_size < m_num_fields) {
+ if (m_fields) {
+ free(m_fields);
+ m_fields = NULL;
+ }
+ Dmsg1(500, "allocating space for %d fields\n", m_num_fields);
+ m_fields = (SQL_FIELD *)malloc(sizeof(SQL_FIELD) * m_num_fields);
+ m_fields_size = m_num_fields;
+
+ for (i = 0; i < m_num_fields; i++) {
+ Dmsg1(500, "filling field %d\n", i);
+ if ((field = mysql_fetch_field(m_result)) != NULL) {
+ m_fields[i].name = field->name;
+ m_fields[i].max_length = field->max_length;
+ m_fields[i].type = field->type;
+ m_fields[i].flags = field->flags;
+
+ Dmsg4(500, "sql_fetch_field finds field '%s' has length='%d' type='%d' and IsNull=%d\n",
+ m_fields[i].name, m_fields[i].max_length, m_fields[i].type, m_fields[i].flags);
+ }
}
- 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);
+ /*
+ * Increment field number for the next time around
+ */
+ return &m_fields[m_field_number++];
+}
+
+bool B_DB_MYSQL::sql_field_is_not_null(int field_type)
+{
+ return IS_NOT_NULL(field_type);
+}
+
+bool B_DB_MYSQL::sql_field_is_numeric(int field_type)
+{
+ return IS_NUM(field_type);
+}
+
+/*
+ * Returns true if OK
+ * false if failed
+ */
+bool B_DB_MYSQL::sql_batch_start(JCR *jcr)
+{
+ bool retval;
+
+ db_lock(this);
+ retval = sql_query("CREATE TEMPORARY TABLE batch ("
+ "FileIndex integer,"
+ "JobId integer,"
+ "Path blob,"
+ "Name blob,"
+ "LStat tinyblob,"
+ "MD5 tinyblob,"
+ "DeltaSeq integer)");
+ db_unlock(this);
+
+ return retval;
+}
+
+/* set error to something to abort operation */
+/*
+ * Returns true if OK
+ * false if failed
+ */
+bool B_DB_MYSQL::sql_batch_end(JCR *jcr, const char *error)
+{
+ m_status = 0;
+
+ return true;
+}
+
+/*
+ * Returns true if OK
+ * false if failed
+ */
+bool B_DB_MYSQL::sql_batch_insert(JCR *jcr, ATTR_DBR *ar)
+{
+ const char *digest;
+ char ed1[50];
+
+ esc_name = check_pool_memory_size(esc_name, fnl*2+1);
+ db_escape_string(jcr, esc_name, fname, fnl);
+
+ esc_path = check_pool_memory_size(esc_path, pnl*2+1);
+ db_escape_string(jcr, esc_path, path, pnl);
+
+ if (ar->Digest == NULL || ar->Digest[0] == 0) {
+ digest = "0";
+ } else {
+ digest = ar->Digest;
+ }
+
+ Mmsg(cmd, "INSERT INTO batch VALUES "
+ "(%u,%s,'%s','%s','%s','%s',%u)",
+ ar->FileIndex, edit_int64(ar->JobId,ed1), esc_path,
+ esc_name, ar->attr, digest, ar->DeltaSeq);
+
+ return sql_query(cmd);
+}
+
+/*
+ * Initialize database data structure. In principal this should
+ * never have errors, or it is really fatal.
+ */
+B_DB *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,
+ bool mult_db_connections, bool disable_batch_insert)
+{
+ B_DB_MYSQL *mdb = NULL;
+
+ if (!db_user) {
+ Jmsg(jcr, M_FATAL, 0, _("A user name for MySQL must be supplied.\n"));
+ return NULL;
}
- 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);
+ 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->db_match_database(db_driver, db_name, db_address, db_port)) {
+ Dmsg1(100, "DB REopen %s\n", db_name);
+ mdb->increment_refcount();
+ goto bail_out;
+ }
}
- send(ctx, "\n");
}
- list_dashes(mdb, send, ctx);
-}
+ Dmsg0(100, "db_init_database first time\n");
+ mdb = New(B_DB_MYSQL(jcr, db_driver, db_name, db_user, db_password, db_address,
+ db_port, db_socket, mult_db_connections, disable_batch_insert));
+bail_out:
+ V(mutex);
+ return mdb;
+}
#endif /* HAVE_MYSQL */