/// <summary>
/// Creates a new NetBlob using the provided BlobFrag as the first
/// </summary>
/// <param name="frag">BlobFrag to add initially to this NetBlob</param>
public NetBlob(BlobFrag frag)
{
log.DebugFormat("New NetBlob for ID 0x{0:X4}, Number of Frags: {1}, Queue ID: {2}", frag.BlobSequenceId, frag.NumFrags, frag.QueueID);
Id = frag.BlobSequenceId;
NumFrags = frag.NumFrags;
QueueId = frag.QueueID;
Fragments = new BlobFrag[frag.NumFrags];
AddFrag(frag);
}
/// <summary>
/// Adds a new BlobFrag
/// </summary>
/// <param name="frag">BlobFrag to add</param>
/// <returns>Result of the add operation, either indicating an error, Success but still partial, or Success and complete</returns>
public AddResult AddFrag(BlobFrag frag)
{
log.DebugFormat("AddFrag for ID 0x{0:X4}, BlobNum: {1}", Id, frag.BlobNum);
if (Fragments[frag.BlobNum] != null)
{
log.WarnFormat("AddFrag for ID 0x{0:X4}, ErrorFragExists", Id);
return(AddResult.ErrorFragExists);
}
Fragments[frag.BlobNum] = frag;
fragCount++;
if (IsComplete)
{
log.DebugFormat("AddFrag for ID 0x{0:X4}, SuccessComplete", Id);
return(AddResult.SuccessComplete);
}
else
{
log.DebugFormat("AddFrag for ID 0x{0:X4}, SuccessPartial", Id);
return(AddResult.SuccessPartial);
}
}
public void Unpack(BinaryReader reader)
{
var bytesRemaining = reader.BytesRemaining();
log.DebugFormat("Unpack bytes: {0}", bytesRemaining);
log.Assert(bytesRemaining >= PacketHeaderSize, "Packet size too small");
log.Assert(bytesRemaining <= MaxPacketSize, "Packet size too big");
SeqID = reader.ReadUInt32();
Header = (PacketHeaderFlags)reader.ReadUInt32();
Checksum = reader.ReadUInt32();
RecId = reader.ReadUInt16();
Interval = reader.ReadUInt16();
DataLen = reader.ReadUInt16();
Iteration = reader.ReadUInt16();
log.DebugFormat("SeqID: {0}, Header: {1}, Checksum {2}, RecId: {3}, Interval {4}, DataLen: {5}, Iteration: {6}", SeqID, Header, Checksum, RecId, Interval, DataLen, Iteration);
bytesRemaining = reader.BytesRemaining();
#if NETWORKVALIDATION
log.Assert(bytesRemaining == DataLen, "Size of reader " + DataLen + " does not equal packet length: " + bytesRemaining);
#endif
if ((Header & PacketHeaderFlags.ServerSwitch) != 0)
{
ServerSwitchData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.Referral) != 0)
{
ReferralData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.NegativeAck) != 0)
{
NegativeAckData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.EmptyAck) != 0)
{
EmptyAckData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.PositiveAck) != 0)
{
PositiveAckData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.LoginRequest) != 0)
{
LoginRequestData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.ServerSwitchRequest) != 0)
{
ServerSwitchRequestData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.ConnectRequest) != 0)
{
ConnectRequestData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.ConnectResponse) != 0)
{
ConnectResponseData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.NetError) != 0)
{
NetErrorData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.CloseConnection) != 0)
{
CloseConnectionData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.CICMDCommand) != 0)
{
CicmdData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.TimeSync) != 0)
{
TimeSyncData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.EchoRequest) != 0)
{
EchoRequestData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.EchoResponse) != 0)
{
EchoResponseData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.Flow) != 0)
{
FlowData.Unpack(reader);
}
if ((Header & PacketHeaderFlags.BlobFragments) != 0)
{
log.Debug("Reading Blob Fragments");
Fragments.Clear();
bytesRemaining = reader.BytesRemaining();
uint fragNum = 0;
while (bytesRemaining >= 16)
{
log.DebugFormat("Bytes Remaining: {0}", bytesRemaining);
BlobFrag newItem = new BlobFrag(reader);
#if NETWORKDEBUG
newItem.NetworkPacketNum = NetworkPacketNum;
newItem.NetworkFragmentNum = ++fragNum;
#endif
Fragments.Add(newItem);
bytesRemaining = reader.BytesRemaining();
}
#if NETWORKVALIDATION
log.Assert(bytesRemaining == 0, "Bytes still remaining in packet: " + bytesRemaining);
#endif
}
}
