/// <summary>
/// Verify the received message from client.
/// </summary>
/// <param name="remoteAddr">The remote address.</param>
/// <param name="pccrrPacket">The pccrrPacket.</param>
private void RetrievalTransport_Receive(IPEndPoint remoteAddr, PccrrPacket pccrrPacket)
{
PccrrGETBLKSRequestPacket pccrrGETBLKSRequestPacket = pccrrPacket as PccrrGETBLKSRequestPacket;
if (pccrrGETBLKSRequestPacket != null)
{
MSG_GETBLKS msgGETBLKS = pccrrGETBLKSRequestPacket.MsgGetBLKS;
MESSAGE_HEADER messageHEADER = pccrrGETBLKSRequestPacket.MessageHeader;
this.sid = msgGETBLKS.SegmentID;
REQUEST_MESSAGE requestMESSAGE = new REQUEST_MESSAGE();
requestMESSAGE.MESSAGEBODY = msgGETBLKS;
requestMESSAGE.MESSAGEHEADER = messageHEADER;
this.uiPayload = Marshal.SizeOf(messageHEADER) + Marshal.SizeOf(msgGETBLKS) + 24;
PccrrBothRoleCaptureCode.CaptureBlockRangeRequirements(msgGETBLKS.ReqBlockRanges[0]);
PccrrBothRoleCaptureCode.CaptureMessageHeaderRequirements(messageHEADER, this.uiPayload);
this.VerifyGetBlocks(msgGETBLKS);
this.VerifyRequestMessage(requestMESSAGE);
PccrrBothRoleCaptureCode.CaptureSegmentIdRequirements(msgGETBLKS.SegmentID);
PccrrBothRoleCaptureCode.CaptureHttpRequirements();
PccrrBothRoleCaptureCode.CaptureMessageRequirements();
this.ReceiveMsgGetBlk(msgGETBLKS.ReqBlockRanges[0].Index);
}
else
{
PccrrGETBLKLISTRequestPacket pccrrGETBLKLISTRequestPacket = pccrrPacket as PccrrGETBLKLISTRequestPacket;
if (pccrrGETBLKLISTRequestPacket != null)
{
MSG_GETBLKLIST msgGETBLKLIST = pccrrGETBLKLISTRequestPacket.MsgGetBLKLIST;
this.sid = msgGETBLKLIST.SegmentID;
this.VerifyGetBlkList(msgGETBLKLIST);
PccrrBothRoleCaptureCode.CaptureCommonDataTypesRequirements(msgGETBLKLIST);
_BLOCKRANGE[] blockRanges = ClientHelper.ConvertFromStackBLOCKRANGEArray(msgGETBLKLIST.NeededBlockRanges);
this.ReceiveMsgGetBlkList(blockRanges);
}
else
{
this.ReceiveMsgNegoReq();
}
}
}
/// <summary>
/// REQUEST_MESSAGE structure capture
/// </summary>
/// <param name="requestMessage">RequestMessage object</param>
private void VerifyRequestMessage(REQUEST_MESSAGE requestMessage)
{
//
// Add the debug information
//
Site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R74");
// Verify MS-PCCRR requirement: MS-PCCRR_R74
Site.CaptureRequirementIfAreEqual <int>(
16,
Marshal.SizeOf(requestMessage.MESSAGEHEADER),
74,
@"[In Request Message]MESSAGE_HEADER (16 bytes): Message header.");
//
// Add the debug information
//
Site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R75");
// Verify MS-PCCRR requirement: MS-PCCRR_R75
bool isVerifyR75 = requestMessage.MESSAGEBODY is MSG_GETBLKLIST ||
requestMessage.MESSAGEBODY is MSG_GETBLKS;
Site.CaptureRequirementIfIsTrue(
isVerifyR75,
75,
@"[In Request Message]MESSAGE_BODY (variable): Message body, which contains either a GetBlockList
(MSG_GETBLKLIST) or GetBlocks (MSG_GETBLKS) request message.");
// MS-PCCRR_R74 and MS-PCCRR_R75 have been verified it successfully, so capture it directly.
Site.CaptureRequirement(
73,
@"[In Request Message]The complete layout of a request-type Peer Content Caching and Retrieval:
Retrieval Protocol message is as follows [MESSAGE_HEADER,MESSAGE_BODY (variable)].");
//
// Add the debug information
//
Site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R13");
// Since the request parsed by stack layer properly, capture the requirement directly.
Site.CaptureRequirement(
13,
@"[In Peer Download Transport]The initiating/client-role peer P1 at IP address A1 initiates
the transport of a given request-type Peer Retrieval Protocol message to peer P2 at
IP address A2, by sending an HTTP POST request to the root path of
{116B50EB-ECE2-41ac-8429-9F9E963361B7}/.");
//
// Add the debug information
//
Site.Log.Add(LogEntryKind.Debug, "Verify MS-PCCRR_R225");
// Since the message parsed by stack layer properly, capture the requirement directly.
Site.CaptureRequirement(
225,
@"[In MSG_NEGO_RESP Received][The rules for determining compatibility and selecting a version
are listed below:1.]In both cases[MSG_NEGO_REQ and MSG_NEGO_RESP messages],
they[MSG_NEGO_REQ and MSG_NEGO_RESP messages] are defined as the inclusive range between
the major version from the MinSupportedProtocolVersion field and the major version from
the MaxSupportedProtocolVersion field.");
}
