public void Pack(BinaryWriter writer)
{
log.Debug("Pack");
writer.Write(SeqID);
writer.Write((uint)Header);
writer.Write(Checksum);
writer.Write(RecId);
writer.Write(Interval);
writer.Write(DataLen);
writer.Write(Iteration);
if ((Header & PacketHeaderFlags.ServerSwitch) != 0)
{
ServerSwitchData.Pack(writer);
}
if ((Header & PacketHeaderFlags.Referral) != 0)
{
ReferralData.Pack(writer);
}
if ((Header & PacketHeaderFlags.NegativeAck) != 0)
{
NegativeAckData.Pack(writer);
}
if ((Header & PacketHeaderFlags.EmptyAck) != 0)
{
EmptyAckData.Pack(writer);
}
if ((Header & PacketHeaderFlags.PositiveAck) != 0)
{
PositiveAckData.Pack(writer);
}
if ((Header & PacketHeaderFlags.LoginRequest) != 0)
{
LoginRequestData.Pack(writer);
}
if ((Header & PacketHeaderFlags.ServerSwitchRequest) != 0)
{
ServerSwitchRequestData.Pack(writer);
}
if ((Header & PacketHeaderFlags.ConnectRequest) != 0)
{
ConnectRequestData.Pack(writer);
}
if ((Header & PacketHeaderFlags.ConnectResponse) != 0)
{
ConnectResponseData.Pack(writer);
}
if ((Header & PacketHeaderFlags.NetError) != 0)
{
NetErrorData.Pack(writer);
}
if ((Header & PacketHeaderFlags.CloseConnection) != 0)
{
CloseConnectionData.Pack(writer);
}
if ((Header & PacketHeaderFlags.CICMDCommand) != 0)
{
CicmdData.Pack(writer);
}
if ((Header & PacketHeaderFlags.TimeSync) != 0)
{
TimeSyncData.Pack(writer);
}
if ((Header & PacketHeaderFlags.EchoRequest) != 0)
{
EchoRequestData.Pack(writer);
}
if ((Header & PacketHeaderFlags.EchoResponse) != 0)
{
EchoResponseData.Pack(writer);
}
if ((Header & PacketHeaderFlags.Flow) != 0)
{
FlowData.Pack(writer);
}
if ((Header & PacketHeaderFlags.BlobFragments) != 0)
{
foreach (var fragment in Fragments)
{
fragment.Pack(writer);
}
}
}
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
}
}
