private static void BackupOrRestore(bool isBackup, ConfigPair storageConfig, ConfigPair databaseConfig, List <ConfigPair> pipelineConfig, IUpdateNotification updateNotifier)
{
string deviceSetName = Guid.NewGuid().ToString();
IBackupStorage storage = storageConfig.TransformationType.GetConstructor(new Type[0]).Invoke(new object[0]) as IBackupStorage;
IBackupDatabase databaseComp = databaseConfig.TransformationType.GetConstructor(new Type[0]).Invoke(new object[0]) as IBackupDatabase;
try
{
int numDevices = storage.GetNumberOfDevices(storageConfig.Parameters);
string instanceName = databaseComp.GetInstanceName(databaseConfig.Parameters);
string clusterNetworkName = databaseComp.GetClusterNetworkName(databaseConfig.Parameters);
SqlPlatform sqlPlatform = VirtualBackupDeviceFactory.DiscoverSqlPlatform(instanceName,
clusterNetworkName);
//NotifyWhenReady notifyWhenReady = new NotifyWhenReady(deviceName, isBackup);))
using (IVirtualDeviceSet deviceSet = VirtualBackupDeviceFactory.NewVirtualDeviceSet(sqlPlatform))
{
using (SqlThread sql = new SqlThread())
{
bool sqlStarted = false;
bool sqlFinished = false;
ParallelExecutionException exceptions = new ParallelExecutionException();
try
{
IStreamNotification streamNotification = new InternalStreamNotification(updateNotifier);
long estimatedTotalBytes;
List <string> deviceNames = sql.PreConnect(clusterNetworkName, instanceName, deviceSetName, numDevices, databaseComp, databaseConfig.Parameters, isBackup, updateNotifier, out estimatedTotalBytes);
using (DisposableList <Stream> fileStreams = new DisposableList <Stream>(isBackup ? storage.GetBackupWriter(storageConfig.Parameters) : storage.GetRestoreReader(storageConfig.Parameters, out estimatedTotalBytes)))
using (DisposableList <Stream> topOfPilelines = new DisposableList <Stream>(CreatePipeline(pipelineConfig, fileStreams, isBackup, streamNotification, estimatedTotalBytes)))
{
VirtualDeviceSetConfig config = new VirtualDeviceSetConfig();
config.Features = FeatureSet.PipeLike;
config.DeviceCount = (uint)topOfPilelines.Count;
deviceSet.CreateEx(instanceName, deviceSetName, config);
sql.BeginExecute();
sqlStarted = true;
deviceSet.GetConfiguration(TimeSpan.FromMinutes(1));
List <IVirtualDevice> devices = new List <IVirtualDevice>();
foreach (string devName in deviceNames)
{
devices.Add(deviceSet.OpenDevice(devName));
}
using (DisposableList <DeviceThread> threads = new DisposableList <DeviceThread>(devices.Count))
{
for (int i = 0; i < devices.Count; i++)
{
DeviceThread dThread = new DeviceThread();
threads.Add(dThread);
dThread.Initialize(isBackup, topOfPilelines[i], devices[i], deviceSet);
}
foreach (DeviceThread dThread in threads)
{
dThread.BeginCopy();
}
updateNotifier.OnStart();
//Console.WriteLine(string.Format("{0} started", isBackup ? "Backup" : "Restore"));
Exception sqlE = sql.EndExecute();
sqlFinished = true;
if (sqlE != null)
{
exceptions.Exceptions.Add(sqlE);
}
foreach (DeviceThread dThread in threads)
{
Exception devE = dThread.EndCopy();
if (devE != null)
{
exceptions.Exceptions.Add(devE);
}
}
}
}
}
catch (Exception e)
{
exceptions.Exceptions.Add(e);
}
finally
{
if (sqlStarted && !sqlFinished)
{
Exception sqlE = sql.EndExecute();
sqlFinished = true;
if (sqlE != null)
{
exceptions.Exceptions.Add(sqlE);
}
}
}
if (exceptions.HasExceptions)
{
throw exceptions;
}
}
}
}
catch
{
storage.CleanupOnAbort();
throw;
}
}
private static void BackupOrRestore(int commandType, ConfigPair storageConfig, ConfigPair databaseConfig, List <ConfigPair> pipelineConfig, IUpdateNotification updateNotifier, out List <string> returndevices)
{
var isBackup = commandType == 1;
var deviceSetName = Guid.NewGuid().ToString();
var constructorInfo = storageConfig.TransformationType.GetConstructor(new Type[0]);
if (constructorInfo == null)
{
throw new ArgumentException("Unable to transformation type");
}
var storage = constructorInfo.Invoke(new object[0]) as IBackupStorage;
var constructor = databaseConfig.TransformationType.GetConstructor(new Type[0]);
if (constructor == null)
{
throw new ArgumentException("Unable to transformation type");
}
var databaseComp = constructor.Invoke(new object[0]) as IBackupDatabase;
try
{
if (storage == null)
{
returndevices = null;
return;
}
var numDevices = storage.GetNumberOfDevices(storageConfig.Parameters);
//get instance name e.g. myserver\myinstance
if (databaseComp == null)
{
returndevices = null;
return;
}
var instanceName = databaseComp.GetInstanceName(databaseConfig.Parameters);
//get the cluster networking name usually diffrent than the currently running node name
var clusterNetworkName = databaseComp.GetClusterNetworkName(databaseConfig.Parameters);
//get bit version of our platform x86,x64 or IA64
var sqlPlatform = databaseConfig.Parameters.ContainsKey("user")
? VirtualBackupDeviceFactory.DiscoverSqlPlatform(instanceName, clusterNetworkName,
databaseConfig.Parameters["user"][0],
databaseConfig.Parameters.ContainsKey("password")
? databaseConfig.Parameters["password"][0]
: null)
: VirtualBackupDeviceFactory.DiscoverSqlPlatform(instanceName, clusterNetworkName, null,
null);
//NotifyWhenReady notifyWhenReady = new NotifyWhenReady(deviceName, isBackup);))
using (var deviceSet = VirtualBackupDeviceFactory.NewVirtualDeviceSet(sqlPlatform))
{
//Since it is possible to have multiple backup/restore targets we encapsulate each call to a device in its own thread
using (var sql = new SqlThread())
{
var sqlStarted = false;
var sqlFinished = false;
returndevices = new List <string>();
var exceptions = new ParallelExecutionException();
try
{
IStreamNotification streamNotification =
new InternalStreamNotification(updateNotifier);
long estimatedTotalBytes;
var deviceNames = sql.PreConnect(clusterNetworkName, instanceName, deviceSetName,
numDevices, databaseComp, databaseConfig.Parameters, commandType, updateNotifier,
out estimatedTotalBytes);
using (
var fileStreams =
new DisposableList <Stream>(isBackup
? storage.GetBackupWriter(storageConfig.Parameters, estimatedTotalBytes)
: storage.GetRestoreReader(storageConfig.Parameters,
out estimatedTotalBytes)))
using (
var topOfPilelines =
new DisposableList <Stream>(CreatePipeline(pipelineConfig, fileStreams,
isBackup, streamNotification, estimatedTotalBytes)))
{
ReturnByteScale(estimatedTotalBytes, isBackup);
var config = new VirtualDeviceSetConfig
{
Features = FeatureSet.PipeLike,
DeviceCount = (uint)topOfPilelines.Count
};
deviceSet.CreateEx(instanceName, deviceSetName, config);
sql.BeginExecute();
sqlStarted = true;
deviceSet.GetConfiguration(TimeSpan.FromMinutes(360));
var devices = deviceNames.Select(deviceSet.OpenDevice).ToList();
returndevices = deviceNames;
using (var threads = new DisposableList <DeviceThread>(devices.Count))
{
for (var i = 0; i < devices.Count; i++)
{
var dThread = new DeviceThread();
threads.Add(dThread);
dThread.Initialize(isBackup, topOfPilelines[i], devices[i], deviceSet);
}
foreach (var dThread in threads)
{
dThread.BeginCopy();
}
updateNotifier.OnStart();
var sqlE = sql.EndExecute();
sqlFinished = true;
if (sqlE != null)
{
exceptions.Exceptions.Add(sqlE);
}
foreach (var devE in threads.Select(dThread => dThread.EndCopy()).Where(devE => devE != null))
{
exceptions.Exceptions.Add(devE);
}
}
}
}
catch (Exception e)
{
exceptions.Exceptions.Add(e);
}
finally
{
if (exceptions.HasExceptions)
{
throw exceptions;
}
if (sqlStarted && !sqlFinished)
{
var sqlE = sql.EndExecute();
if (sqlE != null)
{
exceptions.Exceptions.Add(sqlE);
}
}
}
}
}
}
catch
{
if (storage != null)
{
storage.CleanupOnAbort();
}
throw;
}
}
