Marius Cramer
2013-11-14 7cf3e98090a3e9f0a9cc960d07c5f259adab6a19
server/lib/classes/db_mysql.inc.php
@@ -45,6 +45,7 @@
  public $errorMessage = '';   // last error message
  private $errorLocation = '';// last error location
  public $show_error_messages = false; // false in server, true in interface
  private $isConnected = false; // needed to know if we have a valid mysqli object from the constructor
  // constructor
  public function __construct($host = NULL , $user = NULL, $pass = NULL, $database = NULL) {
@@ -59,11 +60,22 @@
    $this->dbClientFlags = $conf['db_client_flags'];
    parent::__construct($this->dbHost, $this->dbUser, $this->dbPass,$this->dbName);
    if ($this->connect_error) {
    $try = 0;
    //while(!is_null($this->connect_error) && $try < 10) {
   while(mysqli_connect_error() && $try < 10) {
      if($try > 8) sleep(5);
      elseif($try > 0) sleep(1);
      $try++;
      $this->updateError('DB::__construct');
    } else {
      $this->setCharacterEncoding();
      parent::__construct($this->dbHost, $this->dbUser, $this->dbPass,$this->dbName);
    }
    //if(is_null($this->connect_error)) $this->isConnected = true;
   if(!mysqli_connect_error()) $this->isConnected = true;
    $this->setCharacterEncoding();
  }
  public function __destruct() {
@@ -79,12 +91,21 @@
  public function updateError($location) {
    global $app;
    if($this->connect_error) {
   /*
    if(!is_null($this->connect_error)) {
      $this->errorNumber = $this->connect_errno;
      $this->errorMessage = $this->connect_error;
    } else {
      $this->errorNumber = $this->errno;
      $this->errorMessage = $this->error;
    }
   */
   if(mysqli_connect_error()) {
      $this->errorNumber = mysqli_connect_errno();
      $this->errorMessage = mysqli_connect_error();
    } else {
      $this->errorNumber = mysqli_errno($this);
      $this->errorMessage = mysqli_error($this);
    }
    $this->errorLocation = $location;
@@ -103,22 +124,24 @@
  }
  
  private function setCharacterEncoding() {
    if($this->isConnected == false) return false;
    parent::query( 'SET NAMES '.$this->dbCharset); 
    parent::query( "SET character_set_results = '".$this->dbCharset."', character_set_client = '".$this->dbCharset."', character_set_connection = '".$this->dbCharset."', character_set_database = '".$this->dbCharset."', character_set_server = '".$this->dbCharset."'");
  }
  public function query($queryString) {
    if($this->isConnected == false) return false;
    $try = 0;
    do {
        $try++;
        $ok = parent::ping();
        $ok = $this->ping();
        if(!$ok) {
            if(!parent::real_connect($this->dbHost, $this->dbUser, $this->dbPass,$this->dbName)) {
            if(!$this->real_connect($this->dbHost, $this->dbUser, $this->dbPass, $this->dbName)) {
                if($try > 9) {
                    $this->updateError('DB::query -> reconnect');
                    return false;
                } else {
                    sleep(1);
                    sleep(($try > 7 ? 5 : 1));
                }
            } else {
                $this->setCharacterEncoding();
@@ -242,6 +265,31 @@
    }
        /**
        * Function to get the database-size
        * @param string $database_name
        * @return int - database-size in bytes
        */
        public function getDatabaseSize($database_name) {
                global $app;
                include('lib/mysql_clientdb.conf');
                /* Connect to the database */
                $link = mysql_connect($clientdb_host, $clientdb_user, $clientdb_password);
                if (!$link) {
                        $app->log('Unable to connect to the database'.mysql_error($link),LOGLEVEL_DEBUG);
                        return;
                }
                /* Get database-size from information_schema */
      $result=mysql_query("SELECT SUM(data_length+index_length) FROM information_schema.TABLES WHERE table_schema='".mysql_real_escape_string($database_name)."';",$link);
                $this->close;
                if (!$result) {
                        $app->log('Unable to get the database-size'.mysql_error($link),LOGLEVEL_DEBUG);
                        return;
                }
                $database_size = mysql_fetch_row($result);
                return $database_size[0];
        }
    //** Function to fill the datalog with a full differential record.
    public function datalogSave($db_table, $action, $primary_field, $primary_id, $record_old, $record_new, $force_update = false) {
      global $app,$conf;
@@ -347,6 +395,15 @@
      $this->query("DELETE FROM $tablename WHERE $index_field = '$index_value'");
      $new_rec = array();
      $this->datalogSave($tablename, 'DELETE', $index_field, $index_value, $old_rec, $new_rec);
      return true;
    }
   //** Deletes a record and saves the changes into the datalog
    public function datalogError($errormsg) {
      global $app;
     if(isset($app->modules->current_datalog_id) && $app->modules->current_datalog_id > 0) $this->query("UPDATE sys_datalog set error = '".$this->quote($errormsg)."' WHERE datalog_id = ".$app->modules->current_datalog_id);
      return true;
    }
@@ -468,7 +525,7 @@
    // gibt Array mit Tabellennamen zur�ck
    public function getTables($database_name = '') {
      if($this->isConnected == false) return false;
      if($database_name == '') $database_name = $this->dbName;
      $result = parent::query("SHOW TABLES FROM $database_name");
      for ($i = 0; $i < $result->num_rows; $i++) {
@@ -613,4 +670,4 @@
         }
         ?>
         ?>