public bool Restore(String Host, String Attivita)
{
try
{
using (MySqlConnection conn = new MySqlConnection(Host))
{
using (MySqlCommand cmd = new MySqlCommand())
{
using (MySqlBackup mb = new MySqlBackup(cmd))
{
cmd.Connection = conn;
conn.Open();
if (Attivita == "Bar")
{
mb.ImportFromString(Properties.Resources.Bar);
}
else if (Attivita == "Pub")
{
mb.ImportFromString(Properties.Resources.Pub);
}
else if (Attivita == "Void")
{
mb.ImportFromString(Properties.Resources.VOID_DB);
}
conn.Close();
}
}
}
return(true);
}
catch
{
return(false);
}
}
void Step3()
{
MessageBox.Show("Running Step 3...");
using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
using (MySqlBackup mb = new MySqlBackup(cmd))
{
conn.Open();
cmd.Connection = conn;
cmd.CommandText = string.Format("drop database if exists `{0}`", txtDatabaseName.Text);
cmd.ExecuteNonQuery();
cmd.CommandText = string.Format("create database `{0}`;", txtDatabaseName.Text);
cmd.ExecuteNonQuery();
cmd.CommandText = string.Format("use `{0}`", txtDatabaseName.Text);
cmd.ExecuteNonQuery();
mb.ImportFromString(txtStep2.Text);
conn.Close();
}
}
}
}
public void ImportString(string querystring, MySqlBackup.importComplete onDone, EventHandler <MySqlBackup.ExceptionEventArgs> onError, MySqlBackup.importProgressChange OnProgress)
{
Task.Factory.StartNew(() =>
{
try
{
using (MySqlCommand cmd = new MySqlCommand())
{
cmd.Connection = new MySqlConnection(mArgs.GetConnectionString());
cmd.Connection.Open();
using (MySqlBackup bck = new MySqlBackup(cmd))
{
bck.ImportProgressChanged += OnProgress;
bck.ImportCompleted += onDone;
bck.ImportFromString(querystring);
}
}
}
catch (MySqlException ex)
{
onError(this, new MySqlBackup.ExceptionEventArgs()
{
ex = ex
});
}
catch (Exception ex)
{
onError(this, new MySqlBackup.ExceptionEventArgs()
{
ex = ex
});
}
});
}
private void btImport_Click(object sender, EventArgs e)
{
try
{
using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
using (MySqlBackup mb = new MySqlBackup(cmd))
{
cmd.Connection = conn;
conn.Open();
mb.ImportFromString(textBox1.Text);
conn.Close();
}
}
}
MessageBox.Show("Import completed.");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btRestore_Click(object sender, EventArgs e)
{
string sql = txtSql.Text;
MySqlBackup mb = null;
try
{
using (MySqlConnection conn = new MySqlConnection(txtConStr.Text))
{
using (MySqlCommand cmd = new MySqlCommand())
{
mb = new MySqlBackup(cmd);
conn.Open();
cmd.Connection = conn;
mb.ImportFromString(sql);
conn.Close();
}
}
MessageBox.Show("Done");
}
catch (Exception ex)
{
var er = mb.LastError;
MessageBox.Show(ex.ToString() + "\r\n\r\n" + er.ToString());
}
}
private void btTest_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog of = new OpenFileDialog();
if (of.ShowDialog() != DialogResult.OK)
{
lbResult.Text = string.Empty;
return;
}
// Step 1: Compute the hash value of the bytes of the file
byte[] ba1 = File.ReadAllBytes(of.FileName);
string hash1 = BitConverter.ToString(System.Security.Cryptography.SHA1Managed.Create().ComputeHash(ba1)).Replace("-", string.Empty).ToLower();
lbHash1.Text = hash1;
lbHash2.Text = string.Empty;
lbResult.Text = string.Empty;
lbDumpSize.Text = string.Empty;
this.Refresh();
// Step 2: Insert blob into database
using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
conn.Open();
cmd.Connection = conn;
cmd.CommandText = "delete from testblob";
cmd.ExecuteNonQuery();
cmd.CommandText = "insert into testblob(blobdata)values(@blobdata);";
cmd.Parameters.AddWithValue("@blobdata", ba1);
cmd.ExecuteNonQuery();
conn.Close();
}
}
if (MessageBox.Show("File inserted into database. Do you want to continue?", "Next", MessageBoxButtons.YesNo) != DialogResult.Yes)
{
lbResult.Text = "Operation Cancelled";
return;
}
// Step 3: Export the database
string sqlDump = string.Empty;
using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
using (MySqlBackup mb = new MySqlBackup(cmd))
{
cmd.Connection = conn;
conn.Open();
mb.ExportInfo.AddDropTable = true;
mb.ExportInfo.ExportTableStructure = true;
mb.ExportInfo.ExportRows = true;
if (dropBlobExportMode.SelectedIndex < 1)
{
mb.ExportInfo.BlobExportMode = BlobDataExportMode.HexString;
}
else
{
mb.ExportInfo.BlobExportMode = BlobDataExportMode.BinaryChar;
mb.ExportInfo.BlobExportModeForBinaryStringAllow = true;
}
sqlDump = mb.ExportToString();
conn.Close();
}
}
}
lbDumpSize.Text = sqlDump.Length.ToString();
this.Refresh();
// Step 4: Reimport the database
using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
using (MySqlBackup mb = new MySqlBackup(cmd))
{
cmd.Connection = conn;
conn.Open();
mb.ImportFromString(sqlDump);
conn.Close();
}
}
}
// Step 5: Get the blob data from database
byte[] ba2 = null;
using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
cmd.Connection = conn;
conn.Open();
cmd.CommandText = "select blobdata from testblob;";
ba2 = (byte[])cmd.ExecuteScalar();
conn.Close();
}
}
// Step 6: Compute the hash value of the bytes from database
string hash2 = BitConverter.ToString(System.Security.Cryptography.SHA1Managed.Create().ComputeHash(ba2)).Replace("-", string.Empty).ToLower();
lbHash2.Text = hash2;
if (hash1 == hash2)
{
lbResult.Text = "SUCCESS";
lbResult.ForeColor = Color.DarkGreen;
}
else
{
lbResult.Text = "FAIL!";
lbResult.ForeColor = Color.Red;
}
this.Refresh();
if (MessageBox.Show("test completed. Do you want to write the output bytes to file?", "completed", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
SaveFileDialog sf = new SaveFileDialog();
sf.FileName = of.FileName;
if (sf.ShowDialog() == DialogResult.OK)
{
File.WriteAllBytes(sf.FileName, ba2);
}
}
}
catch (Exception ex)
{
lbResult.Text = ex.Message;
lbResult.ForeColor = Color.Red;
MessageBox.Show("Error: " + ex.ToString());
}
}
void RunTest(string sql)
{
txtError.Text = "";
txtLastErrorSqlSyntax.Text = "";
this.Refresh();
try
{
string oldlocation = File.ReadAllText(cacheLogFilePath);
if (oldlocation != txtLogFilePath.Text)
{
File.WriteAllText(cacheLogFilePath, txtLogFilePath.Text);
}
}
catch
{
File.WriteAllText(cacheLogFilePath, txtLogFilePath.Text);
}
try
{
File.Delete(txtLogFilePath.Text);
}
catch { }
using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
using (MySqlBackup mb = new MySqlBackup(cmd))
{
conn.Open();
try
{
cmd.Connection = conn;
mb.ImportInfo.IgnoreSqlError = cbIgnoreSqlError.Checked;
mb.ImportInfo.ErrorLogFile = txtLogFilePath.Text;
mb.ImportFromString(sql);
}
catch
{ }
conn.Close();
try
{
if (txtLogFilePath.Text.Length > 0)
{
txtError.Text = File.ReadAllText(txtLogFilePath.Text);
}
else
{
txtError.Text = mb.LastError.ToString();
}
}
catch { }
txtLastErrorSqlSyntax.Text = mb.LastErrorSQL;
}
}
}
MessageBox.Show("Task ended.");
}
private void btStart_Click(object sender, EventArgs e)
{
txtError.Text = "";
txtLastErrorSqlSyntax.Text = "";
this.Refresh();
try
{
string oldlocation = File.ReadAllText(cacheLogFilePath);
if (oldlocation != txtLogFilePath.Text)
{
File.WriteAllText(cacheLogFilePath, txtLogFilePath.Text);
}
}
catch
{
File.WriteAllText(cacheLogFilePath, txtLogFilePath.Text);
}
try
{
File.Delete(txtLogFilePath.Text);
}
catch { }
string data = GetDumpContent();
using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
{
using (MySqlCommand cmd = new MySqlCommand())
{
using (MySqlBackup mb = new MySqlBackup(cmd))
{
conn.Open();
try
{
cmd.Connection = conn;
mb.ImportInfo.IgnoreSqlError = cbIgnoreSqlError.Checked;
mb.ImportInfo.ErrorLogFile = txtLogFilePath.Text;
mb.ImportFromString(data);
}
catch
{ }
conn.Close();
try
{
if (txtLogFilePath.Text.Length > 0)
{
txtError.Text = File.ReadAllText(txtLogFilePath.Text);
}
else
{
txtError.Text = mb.LastError.ToString();
}
}
catch { }
txtLastErrorSqlSyntax.Text = mb.LastErrorSQL;
}
}
}
}
