/// <summary>
/// Send message MSG_BLKLIST.
/// </summary>
/// <param name="isTimerExpire">The timer for SendMsgBlkList from client will expire or not.</param>
/// <param name="isSameSegment">The SegmentID is same as the request from client.</param>
/// <param name="dwHashAlgoValues">The dwHashAlgo value.</param>
/// <param name="isOverlap">The block ranges overlap with the ranges specified in any request
/// with a matching Segment ID in the outstanding request list.</param>
public void SendMsgBlkList(bool isTimerExpire, bool isSameSegment, DWHashAlgValues dwHashAlgoValues, bool isOverlap)
{
BLOCK_RANGE[] blockRange;
if (!isOverlap)
{
blockRange = new BLOCK_RANGE[1];
blockRange[0].Count = 0;
blockRange[0].Index = 0;
}
else
{
blockRange = new BLOCK_RANGE[int.Parse(this.GetProperty("PCCRR.Protocol.MSG_BLKLIST.BlockRangeCount"))];
for (int i = 0; i < blockRange.Length; i++)
{
blockRange[i].Count = uint.Parse(this.GetProperty("PCCRR.Protocol.MSG_BLKLIST.BlockRanges.0.Count"));
blockRange[i].Index = uint.Parse(this.GetProperty("PCCRR.Protocol.MSG_BLKLIST.BlockRanges.0.Index")) + (uint)i;
}
}
PccrrBLKLISTResponsePacket pccrrBLKLISTResponsePacket;
if (!isSameSegment && dwHashAlgoValues == DWHashAlgValues.V1)
{
this.sid = Encoding.UTF8.GetBytes(this.GetProperty("PCCRR.Protocol.ErrorSegmentId"));
pccrrBLKLISTResponsePacket = this.pccrrStackSer.CreateMsgBlkListResponse(this.sid, blockRange, 0, this.cryptoAlgo, MsgType_Values.MSG_BLKLIST, this.protoVer);
}
else if (isSameSegment && dwHashAlgoValues == DWHashAlgValues.V1)
{
pccrrBLKLISTResponsePacket = this.pccrrStackSer.CreateMsgBlkListResponse(this.sid, blockRange, 0, this.cryptoAlgo, MsgType_Values.MSG_BLKLIST, this.protoVer);
}
else
{
if (dwHashAlgoValues == DWHashAlgValues.V3)
{
this.sid = PccrrUtitlity.ToByteArray(this.GetProperty("PCCRR.Protocol.SHA512.SegmentId"));
}
else
{
this.sid = PccrrUtitlity.ToByteArray(this.GetProperty("PCCRR.Protocol.SHA384.SegmentId"));
}
pccrrBLKLISTResponsePacket = this.pccrrStackSer.CreateMsgBlkListResponse(this.sid, blockRange, 0, this.cryptoAlgo, MsgType_Values.MSG_BLKLIST, this.protoVer);
}
try
{
this.pccrrStackSer.SendPacket(pccrrBLKLISTResponsePacket);
}
catch (HttpListenerException ex)
{
if (ex.ErrorCode == 1229 && isTimerExpire)
{
this.ReceivingTimeOut();
}
}
}
/// <summary>
/// Send message MSG_GETBLKLIST.
/// </summary>
/// <param name="sid">segment id.</param>
/// <param name="blockRang">Block ranges client wants to get.</param>
/// <param name="isVersionSupported">The version in message is supported by server or not.</param>
public void SendMsgGetBlkList(byte[] sid, BLOCKRANGE[] blockRang, bool isVersionSupported)
{
PccrrGETBLKLISTRequestPacket packet;
BLOCK_RANGE[] blockRanges = Helper.ConvertToStackBLOCKRANGEArray(blockRang);
if (!isVersionSupported)
{
packet = this.pccrrStack.CreateMsgGetBlkListRequest(sid, blockRanges, this.cryptoAlgo, MsgType_Values.MSG_GETBLKLIST, this.protoErrorVer);
}
else
{
packet = this.pccrrStack.CreateMsgGetBlkListRequest(sid, blockRanges, this.cryptoAlgo, MsgType_Values.MSG_GETBLKLIST, this.protoVer);
}
this.pccrrStack.SendPacket(packet, new TimeSpan(0, 0, this.timeout));
PccrrPacket respMSG = this.pccrrStack.ExpectPacket();
if (!isVersionSupported)
{
PccrrNegoResponsePacket pccrrNegoResponsePacket = respMSG as PccrrNegoResponsePacket;
if (pccrrNegoResponsePacket != null)
{
this.ReceiveMsgNegoResp();
}
}
else
{
PccrrBLKLISTResponsePacket pccrrBLKLISTResponsePacket = respMSG as PccrrBLKLISTResponsePacket;
MSG_BLKLIST msgBLKLIST = pccrrBLKLISTResponsePacket.MsgBLKLIST;
MESSAGE_HEADER messageHeader = pccrrBLKLISTResponsePacket.MessageHeader;
TRANSPORT_RESPONSE_HEADER transportRespH = pccrrBLKLISTResponsePacket.TransportResponseHeader;
RESPONSE_MESSAGE respMessage = new RESPONSE_MESSAGE();
respMessage.MESSAGEBODY = msgBLKLIST;
respMessage.MESSAGEHEADER = messageHeader;
respMessage.TRANSPORTRESPONSEHEADER = transportRespH;
if (msgBLKLIST.BlockRanges.Length != 0)
{
BLOCK_RANGE blockRange = pccrrBLKLISTResponsePacket.MsgBLKLIST.BlockRanges[0];
PccrrBothRoleCaptureCode.CaptureBlockRangeRequirements(blockRange);
}
this.VerifyMsgBlkList(msgBLKLIST);
PccrrBothRoleCaptureCode.CaptureCommonDataTypesRequirements(msgBLKLIST);
this.VerifyResponseMessage(respMessage);
BLOCKRANGE[] blkRanges = Helper.ConvertFromStackBLOCKRANGEArray(msgBLKLIST.BlockRanges);
this.ReceiveMsgBlkList(msgBLKLIST.BlockRangeCount, blkRanges, msgBLKLIST.NextBlockIndex);
}
}
/// <summary>
/// Convert BLOCKRANGE parameters to Stack parameters.
/// </summary>
/// <param name="blockRanges">The array of BLOCKRANGE.</param>
/// <returns>The array of BLOCK_RANGE.</returns>
public static BLOCK_RANGE[] ConvertToStackBLOCKRANGEArray(BLOCKRANGE[] blockRanges)
{
BLOCK_RANGE[] blockRang = new BLOCK_RANGE[blockRanges.Length];
for (int i = 0; i < blockRanges.Length; i++)
{
blockRang[i].Index = blockRanges[i].Index;
blockRang[i].Count = blockRanges[i].Count;
}
return(blockRang);
}
/// <summary>
/// Capture BLOCK_RANGE structure releated requirements.
/// </summary>
/// <param name="blockRange">BLOCK_RANGE object</param>
public static void CaptureBlockRangeRequirements(BLOCK_RANGE blockRange)
{
//
// Add the debug information
//
site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R26");
// Verify MS-PCCRR requirement: MS-PCCRR_R26
site.CaptureRequirementIfAreEqual <int>(
4,
Marshal.SizeOf(blockRange.Index),
26,
@"[In BLOCK_RANGE]Index (4 bytes): The index of the first block in the range.");
//
// Add the debug information
//
site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R27");
// Verify MS-PCCRR requirement: MS-PCCRR_R27
// Eccept the 4 bytes, this sentence is internal behavior, so this requirements can noly be
// verified a small part.
site.CaptureRequirementIfAreEqual <int>(
4,
Marshal.SizeOf(blockRange.Count),
27,
@"[In BLOCK_RANGE]Count (4 bytes): Count of consecutive adjacent blocks in that range, including
the block at the Index location.");
//
// Add the debug information
//
site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R28");
// Verify MS-PCCRR requirement: MS-PCCRR_R28
bool isVerifyR28 = blockRange.Count > 0;
site.CaptureRequirementIfIsTrue(
isVerifyR28,
28,
@"[In BLOCK_RANGE][Count (4 bytes)]The value of this field MUST be greater than 0.");
// If R26 and R27 is verified successfully, means this RS can be verified directly.
site.CaptureRequirement(
25,
@"[In BLOCK_RANGE]A BLOCK_RANGE is an array of two integers that defines
a consecutive array of blocks.");
//
// Add the debug information
//
site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R29");
// Verify MS-PCCRR requirement: MS-PCCRR_R29
bool isVerifyR29 = blockRange.Index >= 0x00000000 && blockRange.Index <= 0xFFFFFFFF;
site.CaptureRequirementIfIsTrue(
isVerifyR29,
29,
@"[In BLOCK_RANGE]Index is integer fields in the range of 0x00000000 to 0xFFFFFFFF.");
//
// Add the debug information
//
site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R2900");
// Verify MS-PCCRR requirement: MS-PCCRR_R2900
bool isVerifyR2900 = blockRange.Count >= 0x00000000 && blockRange.Count <= 0xFFFFFFFF;
site.CaptureRequirementIfIsTrue(
isVerifyR2900,
2900,
@"[In BLOCK_RANGE]Count is integer fields in the range of 0x00000000 to 0xFFFFFFFF.");
//
// Add the debug information
//
site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R30");
// Verify MS-PCCRR requirement: MS-PCCRR_R30
bool isVerifyR30 = blockRange.Index >= 0 && blockRange.Index <= 511;
site.CaptureRequirementIfIsTrue(
isVerifyR30,
30,
@"[In BLOCK_RANGE][Index field]contain a value in the range from 0 to 511 (inclusive) for
the Index field.");
//
// Add the debug information
//
site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R31");
// Verify MS-PCCRR requirement: MS-PCCRR_R31
bool isVerifyR31 = blockRange.Count >= 1 && blockRange.Count <= 511;
site.CaptureRequirementIfIsTrue(
isVerifyR31,
31,
@"[In BLOCK_RANGE][Count field contains a value in the range from]1 to 511–Index (inclusive)
for the Count field.");
}