diff --git a/front/php/server/db.php b/front/php/server/db.php
index 48243f8e..8ed0f736 100755
--- a/front/php/server/db.php
+++ b/front/php/server/db.php
@@ -5,45 +5,54 @@
//
// db.php - Front module. Server side. DB common file
//------------------------------------------------------------------------------
-# Puche 2021 / 2022+ jokob jokob@duck.com GNU GPLv3
+# 2022 jokob jokob@duck.com GNU GPLv3
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// DB File Path
$DBFILE = dirname(__FILE__).'/../../../db/app.db';
+$DBFILE_LOCKED_FILE = dirname(__FILE__).'/../../../logs/db_is_locked.log';
$db_locked = false;
//------------------------------------------------------------------------------
// Connect DB
//------------------------------------------------------------------------------
-function SQLite3_connect ($trytoreconnect) {
- global $DBFILE;
- try
- {
- // connect to database
+function SQLite3_connect ($trytoreconnect, $retryCount = 0) {
+ global $DBFILE, $DBFILE_LOCKED_FILE;
+ $maxRetries = 5; // Maximum number of retries
+ $baseDelay = 1; // Base delay in seconds
- global $db_locked;
+ try {
+ // Connect to database
+ global $db_locked;
$db_locked = false;
- // return new SQLite3($DBFILE, SQLITE3_OPEN_READONLY);
- return new SQLite3($DBFILE, SQLITE3_OPEN_READWRITE);
- }
- catch (Exception $exception)
- {
- // sqlite3 throws an exception when it is unable to connect
- global $db_locked;
+ // Write unlock status to the locked file
+ file_put_contents($DBFILE_LOCKED_FILE, '0');
+ return new SQLite3($DBFILE, SQLITE3_OPEN_READWRITE);
+ } catch (Exception $exception) {
+ // sqlite3 throws an exception when it is unable to connect
+ global $db_locked;
$db_locked = true;
- // try to reconnect one time after 3 seconds
-
- if($trytoreconnect)
- {
- echo '';
- sleep(3);
- return SQLite3_connect(false);
+ // Write lock status to the locked file
+ file_put_contents($DBFILE_LOCKED_FILE, '1');
+
+ // Connection failed, check if we should retry
+ if ($trytoreconnect && $retryCount < $maxRetries) {
+ // Calculate exponential backoff delay
+ $delay = $baseDelay * pow(2, $retryCount);
+ sleep($delay);
+
+ // Retry the connection with an increased retry count
+ return SQLite3_connect(true, $retryCount + 1);
+ } else {
+ // Maximum retries reached, hide loading spinner and show failure alert
+ echo '';
+ return false; // Or handle the failure appropriately
}
}
}
diff --git a/front/php/server/dbHelper.php b/front/php/server/dbHelper.php
index 7cf6239e..4362f8cb 100755
--- a/front/php/server/dbHelper.php
+++ b/front/php/server/dbHelper.php
@@ -72,7 +72,7 @@
case 'read' : read($rawSql); break;
case 'update': update($columnName, $id, $defaultValue, $expireMinutes, $dbtable, $columns, $values); break;
case 'delete': delete($columnName, $id, $dbtable); break;
- case 'checkLock': checkLock(); break;
+ case 'checkLock': checkLock(); break;
default: logServerConsole ('Action: '. $action); break;
}
}
@@ -269,26 +269,44 @@ function delete($columnName, $id, $dbtable)
// check if the database is locked
//------------------------------------------------------------------------------
function checkLock() {
+
+ return checkLock_file() or checkLock_db();
+
+}
+
+function checkLock_db() {
global $DBFILE, $db_locked;
$file = fopen($DBFILE, 'r+');
if (!$file or $db_locked) {
- echo 1; // Could not open the file
- return;
+ // Could not open the file
+ return 1;
}
if (flock($file, LOCK_EX | LOCK_NB)) {
// Lock acquired, meaning the database is not locked by another process
flock($file, LOCK_UN); // Release the lock
- echo 0; // Not locked
+ return 0; // Not locked
} else {
// Could not acquire lock, meaning the database is locked
- echo 1; // Locked
+ fclose($file);
+ return 1; // Locked
}
- fclose($file);
+
}
+function checkLock_file() {
+ $DBFILE_LOCKED_FILE = dirname(__FILE__).'/../../../logs/db_is_locked.log';
+
+ if (file_exists($DBFILE_LOCKED_FILE)) {
+ $status = file_get_contents($DBFILE_LOCKED_FILE);
+ return $status; // Output the content of the lock file (0 or 1)
+ } else {
+ return '0'; // If the file doesn't exist, consider it as unlocked
+ }
+ exit;
+}
?>
diff --git a/front/php/templates/language/de_de.json b/front/php/templates/language/de_de.json
old mode 100644
new mode 100755
diff --git a/front/php/templates/language/es_es.json b/front/php/templates/language/es_es.json
old mode 100644
new mode 100755
diff --git a/front/php/templates/language/it_it.json b/front/php/templates/language/it_it.json
old mode 100644
new mode 100755
diff --git a/front/php/templates/language/ru_ru.json b/front/php/templates/language/ru_ru.json
old mode 100644
new mode 100755