static int Main(string[] args)
{
MigrationOptions options = null;
try
{
if (args == null || args.Length < 2)
{
Console.WriteLine("Usage:");
Console.WriteLine("SqlDatabaseCopy.exe <sourceConnectionString> <targetConnectionString> [-SchemaOnly | -DataOnly] [-NoLog]");
return(-1);
}
options = GetOptions(args);
var handler = new MigrationHandler(options);
handler.Process();
return(HandleErrors(handler));
}
catch (Exception ex)
{
ConsoleHelper.WriteError(ex);
options?.Log?.WriteLine(ex.ToString());
return(-1);
}
finally
{
options?.Log?.Dispose();
}
}
public static void Process(MigrationOptions options, IEnumerable <MigrationItem> items, int totalCount, WorkerAction action, bool noRetry = false)
{
var worker = new Worker(options, action);
worker.noRetry = noRetry;
worker.Process(items, totalCount);
}
private Worker(MigrationOptions options, WorkerAction action)
{
this.threads = Enumerable.Range(0, options.MaxThreads).Select(_ => new Thread(DoWork)
{
IsBackground = true
}).ToArray();
this.action = action;
this.options = options;
}
public static MigrationOptions GetFromAppConfig()
{
var options = new MigrationOptions();
options.ScripterOptions = SqlScripterOptions.GetFromAppConfig();
options.MaxThreads = Convert.ToInt32(ConfigurationManager.AppSettings["MaxThreads"]);
options.MaxErrors = Convert.ToInt32(ConfigurationManager.AppSettings["MaxErrors"]);
options.MaxAttempts = Convert.ToInt32(ConfigurationManager.AppSettings["MaxAttempts"]);
options.MaxAttempts = Convert.ToInt32(ConfigurationManager.AppSettings["MaxAttempts"]);
options.LogSql = Convert.ToBoolean(ConfigurationManager.AppSettings["LogSql"]);
return(options);
}
static MigrationOptions GetOptions(string[] args)
{
bool noLog = false;
var options = MigrationOptions.GetFromAppConfig();
options.SourceConnectionString = args[0];
options.TargetConnectionString = args[1];
for (int i = 2; i < args.Length; i++)
{
switch (args[i].ToLower().Trim())
{
case "-schemaonly":
options.SchemaOnly = true;
break;
case "-dataonly":
options.DataOnly = true;
break;
case "-nolog":
noLog = true;
break;
default:
throw new InvalidOperationException($"Unknown parameter: {args[i]}");
}
}
if (options.SchemaOnly && options.DataOnly)
{
throw new InvalidOperationException("It's not allowed to use SchemaOnly and DataOnly options same time");
}
if (noLog)
{
options.Log = TextWriter.Null;
}
else
{
Directory.CreateDirectory("log");
options.Log = TextWriter.Synchronized(new StreamWriter($"log\\SqlDatabaseCopy_{DateTime.Now.ToString("yyyyMMdd_HHmmsstt")}.log"));
}
return(options);
}
public MigrationHandler(MigrationOptions options)
{
this.options = options;
}
public static void Process(MigrationOptions options, IEnumerable <MigrationItem> items, WorkerAction action, bool noRetry = false)
{
Process(options, items, items.Count(), action, noRetry);
}