internal static GranularLogDataMsg ReadFromNet(NetworkChannel ch, byte[] workingBuf, int startOffset)
{
int len = 52;
ch.Read(workingBuf, startOffset, len);
GranularLogDataMsg granularLogDataMsg = new GranularLogDataMsg();
BufDeserializer bufDeserializer = new BufDeserializer(workingBuf, startOffset);
granularLogDataMsg.FlagsUsed = (GranularLogDataMsg.Flags)bufDeserializer.ExtractInt64();
granularLogDataMsg.RequestAckCounter = bufDeserializer.ExtractInt64();
granularLogDataMsg.LogDataLength = bufDeserializer.ExtractInt32();
if (granularLogDataMsg.LogDataLength > 1048576)
{
throw new NetworkCorruptDataException(ch.PartnerNodeName);
}
granularLogDataMsg.EmitContext = new JET_EMITDATACTX();
granularLogDataMsg.EmitContext.cbLogData = (long)granularLogDataMsg.LogDataLength;
granularLogDataMsg.EmitContext.dwVersion = bufDeserializer.ExtractInt32();
granularLogDataMsg.EmitContext.qwSequenceNum = bufDeserializer.ExtractUInt64();
granularLogDataMsg.EmitContext.grbitOperationalFlags = (ShadowLogEmitGrbit)bufDeserializer.ExtractUInt32();
granularLogDataMsg.EmitContext.logtimeEmit = bufDeserializer.ExtractDateTime();
JET_LGPOS lgposLogData = default(JET_LGPOS);
lgposLogData.lGeneration = bufDeserializer.ExtractInt32();
lgposLogData.isec = (int)bufDeserializer.ExtractUInt16();
lgposLogData.ib = (int)bufDeserializer.ExtractUInt16();
granularLogDataMsg.EmitContext.lgposLogData = lgposLogData;
return(granularLogDataMsg);
}
internal static BlockModeCompressedDataMsg ReadFromNet(NetworkChannel ch, byte[] workingBuf, int startOffset)
{
int len = 52;
ch.Read(workingBuf, startOffset, len);
BlockModeCompressedDataMsg blockModeCompressedDataMsg = new BlockModeCompressedDataMsg();
BufDeserializer bufDeserializer = new BufDeserializer(workingBuf, startOffset);
blockModeCompressedDataMsg.FlagsUsed = (BlockModeCompressedDataMsg.Flags)bufDeserializer.ExtractInt64();
blockModeCompressedDataMsg.RequestAckCounter = bufDeserializer.ExtractInt64();
blockModeCompressedDataMsg.LogDataLength = bufDeserializer.ExtractInt32();
if (blockModeCompressedDataMsg.LogDataLength > 1048576)
{
throw new NetworkCorruptDataException(ch.PartnerNodeName);
}
blockModeCompressedDataMsg.EmitContext = new JET_EMITDATACTX();
blockModeCompressedDataMsg.EmitContext.cbLogData = (long)blockModeCompressedDataMsg.LogDataLength;
blockModeCompressedDataMsg.EmitContext.dwVersion = bufDeserializer.ExtractInt32();
blockModeCompressedDataMsg.EmitContext.qwSequenceNum = bufDeserializer.ExtractUInt64();
blockModeCompressedDataMsg.EmitContext.grbitOperationalFlags = (ShadowLogEmitGrbit)bufDeserializer.ExtractUInt32();
blockModeCompressedDataMsg.EmitContext.logtimeEmit = bufDeserializer.ExtractDateTime();
JET_LGPOS lgposLogData = default(JET_LGPOS);
lgposLogData.lGeneration = bufDeserializer.ExtractInt32();
lgposLogData.isec = (int)bufDeserializer.ExtractUInt16();
lgposLogData.ib = (int)bufDeserializer.ExtractUInt16();
blockModeCompressedDataMsg.EmitContext.lgposLogData = lgposLogData;
if (blockModeCompressedDataMsg.LogDataLength > 0)
{
int num = BlockModeCompressedDataMsg.CalculateBlockCount(blockModeCompressedDataMsg.LogDataLength);
blockModeCompressedDataMsg.CompressedLengths = new int[num];
len = num * 4;
ch.Read(workingBuf, startOffset, len);
bufDeserializer.Reset(workingBuf, startOffset);
for (int i = 0; i < num; i++)
{
int num2 = bufDeserializer.ExtractInt32();
if (num2 <= 0 || num2 > 65536)
{
throw new NetworkCorruptDataException(ch.PartnerNodeName);
}
blockModeCompressedDataMsg.CompressedLengths[i] = num2;
}
}
return(blockModeCompressedDataMsg);
}
public static NetworkChannelMessageHeader ReadHeaderFromNet(NetworkChannel netChan, byte[] workingBuf, int startOffset)
{
netChan.Read(workingBuf, startOffset, 16);
BufDeserializer bufDeserializer = new BufDeserializer(workingBuf, 0);
NetworkChannelMessageHeader result;
result.MessageType = (NetworkChannelMessage.MessageType)bufDeserializer.ExtractUInt32();
result.MessageLength = bufDeserializer.ExtractInt32();
result.MessageUtc = bufDeserializer.ExtractDateTime();
return(result);
}
internal static NetworkChannelMessage ReadMessage(NetworkChannel channel, byte[] headerBuf)
{
int num = 0;
NetworkChannelMessage.MessageType messageType = (NetworkChannelMessage.MessageType)Serialization.DeserializeUInt32(headerBuf, ref num);
if (!NetworkChannelMessage.IsValidType(messageType))
{
throw new NetworkUnexpectedMessageException(channel.PartnerNodeName, string.Format("Unknown Type{0}", messageType));
}
int num2 = (int)Serialization.DeserializeUInt32(headerBuf, ref num);
if (num2 < 16 || num2 > 1052672)
{
throw new NetworkUnexpectedMessageException(channel.PartnerNodeName, string.Format("Invalid msgLen: {0}", num2));
}
ExTraceGlobals.NetworkChannelTracer.TraceDebug <NetworkChannelMessage.MessageType, string, string>((long)channel.GetHashCode(), "ReadMessage: Received {0} from {1} on {2}", messageType, channel.RemoteEndPointString, channel.LocalEndPointString);
byte[] array = new byte[num2];
Array.Copy(headerBuf, 0, array, 0, 16);
int len = num2 - 16;
channel.Read(array, 16, len);
NetworkChannelMessage.MessageType messageType2 = messageType;
if (messageType2 <= NetworkChannelMessage.MessageType.BlockModeCompressedData)
{
if (messageType2 == NetworkChannelMessage.MessageType.PassiveStatus)
{
return(new PassiveStatusMsg(channel, array));
}
if (messageType2 != NetworkChannelMessage.MessageType.BlockModeCompressedData)
{
goto IL_118;
}
}
else
{
if (messageType2 == NetworkChannelMessage.MessageType.Ping)
{
return(new PingMessage(channel, array));
}
if (messageType2 != NetworkChannelMessage.MessageType.GranularLogData)
{
if (messageType2 != NetworkChannelMessage.MessageType.EnterBlockMode)
{
goto IL_118;
}
return(new EnterBlockModeMsg(channel, array));
}
}
throw new NetworkUnexpectedMessageException(channel.PartnerNodeName, string.Format("ReadMessage() does not support message type: {0}.", messageType));
IL_118:
throw new NetworkUnexpectedMessageException(channel.PartnerNodeName, string.Format("Unknown message type: 0x{0:X}", (int)messageType));
}
internal static PingMessage ReadFromNet(NetworkChannel ch, byte[] workingBuf, int startOffset)
{
int len = 24;
ch.Read(workingBuf, startOffset, len);
PingMessage pingMessage = new PingMessage();
BufDeserializer bufDeserializer = new BufDeserializer(workingBuf, startOffset);
pingMessage.FlagsUsed = (PingMessage.Flags)bufDeserializer.ExtractInt64();
pingMessage.RequestAckCounter = bufDeserializer.ExtractInt64();
pingMessage.ReplyAckCounter = bufDeserializer.ExtractInt64();
return(pingMessage);
}
