public ImportResultSet executeScript()
{
ImportResultSet result = new ImportResultSet();
if (string.IsNullOrWhiteSpace(this.script))
{
result.wasSuccessful = false;
result.errorMessage = "Script not set";
return(result);
}
try
{
MySqlConnection con = new MySqlConnection(connectionString);
con.Open();
MySqlScript script = new MySqlScript(con, this.script);
script.Delimiter = config.scriptDelimeter;
script.StatementExecuted += scriptStatementExecuted;
script.Execute();
result.wasSuccessful = true;
}
catch (Exception ex)
{
result.wasSuccessful = false;
result.errorMessage = ex.Message;
}
return(result);
}
/*
* private bool isServerCompatible()
* {
* bool isCompatible = true;
* //https://stackoverflow.com/questions/17464116/how-do-i-know-a-mysql-user-has-the-maximum-privileges-possible
* //https://stackoverflow.com/questions/6956106/how-to-know-if-mysql-binary-log-is-enable-through-sql-command
* //https://www.thegeekstuff.com/2017/08/mysqlbinlog-examples/
* //check if the user has super priviledge and if binary logging is enabled on the server
* //if not stop and pop message
* return isCompatible;
* }*/
public ImportResultSet executeScript()
{
ImportResultSet result = new ImportResultSet();
if (!string.IsNullOrWhiteSpace(this.scriptStatus))
{
result.wasSuccessful = false;
result.errorMessage = this.scriptStatus;
return(result);
}
try
{
/* not needed for import only needed for dump keeping as example
* if (!isServerCompatible())
* {
* result.wasSuccessful = false;
* result.errorMessage = "The user has no super priviledge on the server or binary logging is not enabled.";
* return result;
* }*/
result = executeSQLscript();
//result = executeSQLscript();
}
catch (Exception ex)
{
result.wasSuccessful = false;
result.errorMessage = "import task: " + ex.Message;
}
return(result);
}
private void onImportComplete(ImportResultSet result)
{
ImportComplete?.Invoke(result);
}
private void onImportCompleteHandler(ImportResultSet result)
{
deletefiles();
onImportComplete(result);
}
/* old method using MySqlScript
* private ImportResultSet executeSQLscript()
* {
* ImportResultSet result = new ImportResultSet();
*
* MySqlConnection con = new MySqlConnection(connectionString);
* con.Open();
*
* MySqlScript script = new MySqlScript(con, this.script);
* script.Delimiter = config.scriptDelimeter;
* script.StatementExecuted += scriptStatementExecuted;
* script.Execute();
* result.wasSuccessful = true;
* return result;
* }*/
private ImportResultSet executeSQLscript()
{
ImportResultSet result = new ImportResultSet();
proc = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = "resources/mysqldump/mysql.exe",
Arguments = buildMysqlexeArguments().ToString(),
UseShellExecute = false,
RedirectStandardOutput = true, //prepei na diavastoun me ti seira pou ginonte ta redirect alliws kolaei se endless loop
RedirectStandardError = true,
RedirectStandardInput = true,
CreateNoWindow = true
}
};
Console.WriteLine("Executing mysql.exe now.");
proc.Start();
try
{
StreamReader sr = new StreamReader(config.scriptPath);
int index = 1;
string line = "";
while ((line = sr.ReadLine()) != null)
{
proc.StandardInput.WriteLine(line);
onProgress(index);
index++;
//Console.WriteLine("Log file line: "+line);
}
proc.StandardInput.Close(); //ama den ginei auto perimenei endlessly gia input
sr.Close();
}catch (Exception ex)
{
result.wasSuccessful = false;
if (proc == null || proc.HasExited)
{
result.errorMessage = "Mysql.exe import proccess was killed.";
}
else
{
result.errorMessage = "Mysql import: " + ex.Message;
}
}
try
{
while (!proc.StandardOutput.EndOfStream)
{
string line = proc.StandardOutput.ReadLine();
Console.WriteLine("Mysql.exe output:" + line);
}
while (!proc.StandardError.EndOfStream)
{
string line = proc.StandardError.ReadLine();
result.errorMessage += line + "\n";
Console.WriteLine("Mysql.exe error:" + line);
}
proc.WaitForExit();
}
catch (NullReferenceException ex)
{
Console.WriteLine("Mysql.exe null reference exception on proccess: " + ex.Message);
}
if (proc == null || proc.ExitCode != 0)
{
result.wasSuccessful = false;
if (proc == null)
{
result.errorMessage = "Mysql.exe import proccess was killed.";
}
}
else
{
result.wasSuccessful = true;
}
return(result);
}
