Transfer announce to the php7-optimized database layer

This commit is contained in:
Yuriy Pikhtarev 2017-02-04 00:20:38 +03:00
commit 54693c00b8
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GPG key ID: 3A9B5A757B48ECC6
4 changed files with 184 additions and 463 deletions

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@ -27,9 +27,11 @@ if (!defined('IN_TRACKER')) {
die(basename(__FILE__));
}
global $tr_cfg;
// Exit if tracker is disabled
if ($tr_cfg['off']) {
tr_die($tr_cfg['off_reason']);
msg_die($tr_cfg['off_reason']);
}
//
@ -77,419 +79,3 @@ function error_exit($msg = '')
tracker_exit();
}
// Database
class sql_db
{
public $cfg = array();
public $cfg_keys = array('dbhost', 'dbname', 'dbuser', 'dbpasswd', 'charset', 'persist');
public $link = null;
public $result = null;
public $db_server = '';
public $selected_db = null;
public $locked = false;
public $num_queries = 0;
public $sql_starttime = 0;
public $sql_inittime = 0;
public $sql_timetotal = 0;
public $sql_last_time = 0;
public $slow_time = 0;
public $dbg = array();
public $dbg_id = 0;
public $dbg_enabled = false;
public $cur_query = null;
public $DBS = array();
/**
* Constructor
*/
public function __construct($cfg_values)
{
global $DBS;
$this->cfg = array_combine($this->cfg_keys, $cfg_values);
$this->dbg_enabled = sql_dbg_enabled();
$this->slow_time = SQL_SLOW_QUERY_TIME;
$this->DBS['num_queries'] =& $DBS->num_queries;
$this->DBS['sql_inittime'] =& $DBS->sql_inittime;
$this->DBS['sql_timetotal'] =& $DBS->sql_timetotal;
}
/**
* Initialize connection
*/
public function init()
{
// Connect to server
$this->link = $this->connect();
// Select database
$this->selected_db = $this->select_db();
// Set charset
if ($this->cfg['charset'] && !@mysql_set_charset($this->cfg['charset'], $this->link)) {
if (!$this->sql_query("SET NAMES {$this->cfg['charset']}")) {
error_exit("Could not set charset {$this->cfg['charset']}");
}
}
$this->num_queries = 0;
$this->sql_inittime = $this->sql_timetotal;
$this->DBS['sql_inittime'] += $this->sql_inittime;
}
/**
* Open connection
*/
public function connect()
{
$this->cur_query = 'connect';
$this->debug('start');
$connect_type = ($this->cfg['persist']) ? 'mysql_pconnect' : 'mysql_connect';
if (!$link = $connect_type($this->cfg['dbhost'], $this->cfg['dbuser'], $this->cfg['dbpasswd'])) {
$this->log_error();
}
register_shutdown_function(array(&$this, 'close'));
$this->debug('end');
$this->cur_query = null;
# if (DBG_LOG) dbg_log(' ', 'DB-connect'. ($link ? '' : '-FAIL'));
if (!$link) {
if (function_exists('dummy_exit')) {
dummy_exit(mt_rand(1200, 2400));
} else {
die;
}
}
return $link;
}
/**
* Select database
*/
public function select_db()
{
$this->cur_query = 'select db';
$this->debug('start');
if (!mysql_select_db($this->cfg['dbname'], $this->link)) {
$this->log_error();
error_exit("Could not select database '{$this->cfg['dbname']}'");
}
$this->debug('end');
$this->cur_query = null;
return $this->cfg['dbname'];
}
/**
* Base query method
*/
public function sql_query($query)
{
if (!is_resource($this->link)) {
$this->init();
}
$this->cur_query = $query;
$this->debug('start');
if (!$this->result = mysql_query($query, $this->link)) {
$this->log_error();
}
$this->debug('end');
$this->cur_query = null;
$this->num_queries++;
$this->DBS['num_queries']++;
return $this->result;
}
/**
* Execute query WRAPPER (with error handling)
*/
public function query($query)
{
if (!$result = $this->sql_query($query)) {
$this->trigger_error();
}
return $result;
}
/**
* Return number of rows
*/
public function num_rows($result = false)
{
$num_rows = false;
if ($result or $result = $this->result) {
$num_rows = is_resource($result) ? mysql_num_rows($result) : false;
}
return $num_rows;
}
/**
* Return number of affected rows
*/
public function affected_rows()
{
return is_resource($this->link) ? mysql_affected_rows($this->link) : -1;
}
/**
* Fetch current row
*/
public function sql_fetchrow($result)
{
return is_resource($result) ? mysql_fetch_assoc($result) : false;
}
/**
* Alias of sql_fetchrow()
*/
public function fetch_next($result)
{
return $this->sql_fetchrow($result);
}
/**
* Fetch row WRAPPER (with error handling)
*/
public function fetch_row($query)
{
if (!$result = $this->sql_query($query)) {
$this->trigger_error();
}
return $this->sql_fetchrow($result);
}
/**
* Fetch all rows
*/
public function sql_fetchrowset($result)
{
$rowset = array();
while ($row = mysql_fetch_assoc($result)) {
$rowset[] = $row;
}
return $rowset;
}
/**
* Fetch all rows WRAPPER (with error handling)
*/
public function fetch_rowset($query)
{
if (!$result = $this->sql_query($query)) {
$this->trigger_error();
}
return $this->sql_fetchrowset($result);
}
/**
* Escape string used in sql query
*/
public function escape($v, $check_type = false)
{
if (!is_resource($this->link)) {
$this->init();
}
if (!$check_type) {
return mysql_real_escape_string($v);
}
switch (true) {
case is_string($v):
return "'" . mysql_real_escape_string($v) . "'";
case is_int($v):
return "$v";
case is_bool($v):
return ($v) ? '1' : '0';
case is_float($v):
return "'$v'";
case is_null($v):
return 'NULL';
}
// if $v has unsuitable type
$this->trigger_error(__FUNCTION__ . ' - wrong params');
}
/**
* Return sql error array
*/
public function sql_error()
{
$return_ary = array(
'code' => '',
'message' => 'not connected',
);
if (is_resource($this->link)) {
$return_ary = array(
'code' => mysql_errno($this->link),
'message' => mysql_error($this->link),
);
}
return $return_ary;
}
/**
* Close sql connection
*/
public function close()
{
if (is_resource($this->link)) {
mysql_close($this->link);
}
$this->link = $this->selected_db = null;
if (DBG_LOG) {
dbg_log(str_repeat(' ', $this->num_queries), 'DB-num_queries-' . php_sapi_name());
}
}
/**
* Get info about last query
*/
public function query_info()
{
$info = array();
if ($num = $this->num_rows($this->result)) {
$info[] = "$num rows";
}
if (is_resource($this->link) and $ext = mysql_info($this->link)) {
$info[] = "$ext";
} elseif (!$num && ($aff = $this->affected_rows($this->result) and $aff != -1)) {
$info[] = "$aff rows";
}
return join(', ', $info);
}
/**
* Store debug info
*/
public function debug($mode)
{
if (!SQL_DEBUG) {
return;
}
if ($mode == 'start') {
if (SQL_CALC_QUERY_TIME || DBG_LOG || SQL_LOG_SLOW_QUERIES) {
$this->sql_starttime = utime();
$this->sql_last_time = 0;
}
} elseif ($mode == 'end') {
if (SQL_CALC_QUERY_TIME || DBG_LOG || SQL_LOG_SLOW_QUERIES) {
$this->sql_last_time = utime() - $this->sql_starttime;
$this->sql_timetotal += $this->sql_last_time;
$this->DBS['sql_timetotal'] += $this->sql_last_time;
if (SQL_LOG_SLOW_QUERIES && $this->sql_last_time > $this->slow_time) {
$msg = date('m-d H:i:s') . LOG_SEPR;
$msg .= sprintf('%03d', round($this->sql_last_time));
$msg .= LOG_SEPR . sprintf('%.1f', sys('la'));
$msg .= LOG_SEPR . str_compact($this->cur_query);
$msg .= LOG_SEPR . ' # ' . $this->query_info();
$msg .= LOG_SEPR . $this->debug_find_source();
bb_log($msg . LOG_LF, 'sql_slow_tr');
}
}
}
return;
}
/**
* Trigger error
*/
public function trigger_error($msg = '')
{
if (error_reporting()) {
if (!$msg) {
$msg = 'DB Error';
}
if (DBG_TRACKER === true) {
$err = $this->sql_error();
$msg .= trim(sprintf(' #%06d %s', $err['code'], $err['message']));
} else {
$msg .= " [" . $this->debug_find_source() . "]";
}
error_exit($msg);
}
}
/**
* Find caller source
*/
public function debug_find_source()
{
$source = '';
$backtrace = debug_backtrace();
foreach ($backtrace as $trace) {
if ($trace['file'] !== __FILE__) {
$source = str_replace(BB_PATH, '', $trace['file']) . '(' . $trace['line'] . ')';
break;
}
}
return $source;
}
/**
* Log error
*/
public function log_error()
{
if (!SQL_LOG_ERRORS) {
return;
}
if (!error_reporting()) {
return;
}
$msg = array();
$err = $this->sql_error();
$msg[] = str_compact(sprintf('#%06d %s', $err['code'], $err['message']));
$msg[] = '';
$msg[] = str_compact($this->cur_query);
$msg[] = '';
$msg[] = 'Source : ' . $this->debug_find_source();
$msg[] = 'IP : ' . @$_SERVER['REMOTE_ADDR'];
$msg[] = 'Date : ' . date('Y-m-d H:i:s');
$msg[] = 'Agent : ' . @$_SERVER['HTTP_USER_AGENT'];
$msg[] = 'Req_URI : ' . @$_SERVER['REQUEST_URI'];
$msg[] = 'Referer : ' . @$_SERVER['HTTP_REFERER'];
$msg[] = 'Method : ' . @$_SERVER['REQUEST_METHOD'];
$msg[] = 'Request : ' . trim(print_r($_REQUEST, true)) . str_repeat('_', 78) . LOG_LF;
$msg[] = '';
bb_log($msg, 'sql_error_tr');
}
}