public void BVT_ChangeTracking()
{
// The log file used in change tracking request must be an existing file.
// So create one file before running the case.
string logFileName = string.Format("log_{0}.txt", System.Guid.NewGuid());
sutProtocolController.CreateFile(TestConfig.FullPathShareContainingSharedVHD, logFileName, "");
BaseTestSite.Log.Add(LogEntryKind.TestStep, "1. Client opens a shared virtual disk file and expects success.");
OpenSharedVHD(TestConfig.NameOfSharedVHDS, RSVD_PROTOCOL_VERSION.RSVD_PROTOCOL_VERSION_2);
BaseTestSite.Log.Add(LogEntryKind.TestStep, "2. Client sends the tunnel operation SVHDX_CHANGE_TRACKING_START_REQUEST to start change tracking.");
SVHDX_CHANGE_TRACKING_START_REQUEST request = new SVHDX_CHANGE_TRACKING_START_REQUEST();
request.TransactionId = System.Guid.NewGuid();
request.LogFileId = System.Guid.NewGuid();
request.LogFileNameOffset = 56;
request.LogFileName = logFileName;
request.LogFileNameLength = (uint)(request.LogFileName.Length + 1) * 2;
byte[] payload = client.CreateChangeTrackingStartRequest(request);
SVHDX_TUNNEL_OPERATION_HEADER?header;
SVHDX_TUNNEL_OPERATION_HEADER?response;
//For RSVD_TUNNEL_META_OPERATION_START operation code, the IOCTL code should be FSCTL_SVHDX_ASYNC_TUNNEL_REQUEST
uint status = client.TunnelOperation <SVHDX_TUNNEL_OPERATION_HEADER>(
false,//true for Async operation, false for non-async operation
RSVD_TUNNEL_OPERATION_CODE.RSVD_TUNNEL_CHANGE_TRACKING_START,
++RequestIdentifier,
payload,
out header,
out response);
BaseTestSite.Assert.AreEqual(
(uint)Smb2Status.STATUS_SUCCESS,
status,
"Ioctl should succeed, actual status: {0}",
GetStatus(status));
VerifyTunnelOperationHeader(header.Value, RSVD_TUNNEL_OPERATION_CODE.RSVD_TUNNEL_CHANGE_TRACKING_START, (uint)RsvdStatus.STATUS_SVHDX_SUCCESS, RequestIdentifier);
BaseTestSite.Log.Add(LogEntryKind.TestStep, "3. Client sends Write request to change the vhds file.");
payload = Smb2Utility.CreateRandomByteArray(512);
status = client.Write(0, payload);
BaseTestSite.Log.Add(LogEntryKind.TestStep, "4. Client sends the tunnel operation RSVD_TUNNEL_CHANGE_TRACKING_GET_PARAMETERS to get the change tracking status.");
SVHDX_CHANGE_TRACKING_GET_PARAMETERS_RESPONSE?getParamResponse;
status = client.TunnelOperation <SVHDX_CHANGE_TRACKING_GET_PARAMETERS_RESPONSE>(
false,//true for Async operation, false for non-async operation
RSVD_TUNNEL_OPERATION_CODE.RSVD_TUNNEL_CHANGE_TRACKING_GET_PARAMETERS,
++RequestIdentifier,
null,
out header,
out getParamResponse);
VerifyTunnelOperationHeader(header.Value, RSVD_TUNNEL_OPERATION_CODE.RSVD_TUNNEL_CHANGE_TRACKING_GET_PARAMETERS, (uint)RsvdStatus.STATUS_SVHDX_SUCCESS, RequestIdentifier);
BaseTestSite.Assert.AreEqual(
RsvdStatus.STATUS_SVHDX_SUCCESS,
(RsvdStatus)getParamResponse.Value.ChangeTrackingStatus,
"Status of change tracking should be STATUS_SVHDX_SUCCESS.");
BaseTestSite.Log.Add(LogEntryKind.TestStep, "5. Client sends the tunnel operation SVHDX_CHANGE_TRACKING_STOP_REQUEST to stop change tracking.");
status = client.TunnelOperation <SVHDX_TUNNEL_OPERATION_HEADER>(
false,//true for Async operation, false for non-async operation
RSVD_TUNNEL_OPERATION_CODE.RSVD_TUNNEL_CHANGE_TRACKING_STOP,
++RequestIdentifier,
null,
out header,
out response);
VerifyTunnelOperationHeader(header.Value, RSVD_TUNNEL_OPERATION_CODE.RSVD_TUNNEL_CHANGE_TRACKING_STOP, (uint)RsvdStatus.STATUS_SVHDX_SUCCESS, RequestIdentifier);
BaseTestSite.Log.Add(LogEntryKind.TestStep, "6. Client closes the file.");
client.CloseSharedVirtualDisk();
}
/// <summary>
/// Marshal an SVHDX_CHANGE_TRACKING_START_REQUEST structure
/// </summary>
/// <param name="request">SVHDX_CHANGE_TRACKING_START_REQUEST structure</param>
/// <returns>The marshalled byte array</returns>
public byte[] CreateChangeTrackingStartRequest(SVHDX_CHANGE_TRACKING_START_REQUEST request)
{
return(TypeMarshal.ToBytes(request));
}
