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); }