/// <summary>
/// Optimized deserialization of a LogMessagePacket based on the current packet definition
/// </summary>
public new void ReadFieldsFast(IFieldReader reader)
{
base.ReadFieldsFast(reader);
m_ID = reader.ReadGuid();
m_Caption = reader.ReadString();
m_Severity = (LogMessageSeverity)reader.ReadInt32();
m_LogSystem = reader.ReadString();
m_CategoryName = reader.ReadString();
m_UserName = reader.ReadString();
m_Description = reader.ReadString();
m_Details = reader.ReadString();
m_ThreadIndex = reader.ReadInt32();
m_ThreadId = reader.ReadInt32();
m_MethodName = reader.ReadString();
m_ClassName = reader.ReadString();
m_FileName = reader.ReadString();
m_LineNumber = reader.ReadInt32();
string[] typeNames = reader.ReadStringArray();
string[] messages = reader.ReadStringArray();
string[] sources = reader.ReadStringArray();
string[] stackTraces = reader.ReadStringArray();
Guid applicationUserId = reader.ReadGuid();
if (m_ThreadIndex == 0)
{
m_ThreadIndex = m_ThreadId; // Zero isn't legal, so it must not have had it. Fall back to ThreadId.
}
if (applicationUserId != Guid.Empty)
{
ApplicationUser applicationUser;
m_SessionPacketCache.Users.TryGetValue(applicationUserId, out applicationUser);
UserPacket = applicationUser.Packet;
}
//these are supposed to be parallel arrays - assume they're all the same size.
int arrayLength = typeNames.GetLength(0);
var exceptions = new IExceptionInfo[arrayLength]; // local holder to build it up
IExceptionInfo lastException = null;
for (int i = 0; i < arrayLength; i++)
{
IExceptionInfo exception = new ExceptionInfoPacket()
{
TypeName = typeNames[i],
Message = messages[i],
Source = sources[i],
StackTrace = stackTraces[i],
};
exceptions[i] = exception;
if (lastException != null)
{
((ExceptionInfoPacket)lastException).InnerException = exception; //we are the inner exception to our parent.
}
lastException = exception;
}
m_ExceptionChain = exceptions; // Set the rehydrated ExceptionInfo[] array property
}
private PacketDefinition(IFieldReader reader)
{
m_TypeName = reader.ReadString();
m_Version = reader.ReadInt32();
int fieldCount = reader.ReadInt32();
for (int i = 0; i < fieldCount; i++)
{
string fieldName = reader.ReadString();
FieldType fieldType = (FieldType)reader.ReadInt32();
m_Fields.Add(new FieldDefinition(fieldName, fieldType));
}
// Handle the possiblity that a Packet aggregates lower level packets
int subPacketCount = reader.ReadInt32();
m_SubPackets = new List <PacketDefinition>();
for (int i = 0; i < subPacketCount; i++)
{
// We need to call the static ReadPacketDefinition(reader) in order to
// read and process the cacheable, version, and dynamic name fields which
// also exist for each subPacket definition. Fixed as part of Case #165
PacketDefinition subPacket = ReadPacketDefinition(reader);
m_SubPackets.Add(subPacket);
}
}
/// <summary>
/// Returns a PacketDefinition from the stream (including nested PacketDefinition
/// objects for cases in which an IPacket is subclassed and has serialized state
/// at multiple levels).
/// </summary>
/// <param name="reader">Stream to read data from</param>
/// <returns>PacketDefinition (including nested definitions for subclassed packets)</returns>
public static PacketDefinition ReadPacketDefinition(IFieldReader reader)
{
bool cachedPacket = reader.ReadBool();
int nestingDepth = reader.ReadInt32();
if (nestingDepth < 1)
{
throw new GibraltarException(string.Format(CultureInfo.InvariantCulture, "While reading the definition of the next packet, the number of types in the definition was read as {0} which is less than 1.", nestingDepth));
}
string dynamicTypeName = reader.ReadString();
PacketDefinition[] definitions = new PacketDefinition[nestingDepth];
for (int i = 0; i < nestingDepth; i++)
{
definitions[i] = new PacketDefinition(reader);
if (i > 0)
{
definitions[i].m_BasePacket = definitions[i - 1];
}
}
PacketDefinition topLevelDefinition = definitions[nestingDepth - 1];
topLevelDefinition.m_IsCachable = cachedPacket;
topLevelDefinition.m_DynamicTypeName = dynamicTypeName;
return(topLevelDefinition);
}
/// <summary>
/// Reads an array of type T from the stream.
/// </summary>
/// <param name="reader">Data stream to read</param>
/// <returns>Array of type T</returns>
public T[] Read(IFieldReader reader)
{
// The array always starts with its length. Since the length can't be
// negative we pass it unsigned (which gives slightly better compression)
int length = (int)reader.ReadUInt32();
T[] array = new T[length];
// The array values are stored as a seuqnece of runs. Each run represents
// either a sequence of repeating values or a sequence of unique values.
int index = 0;
while (index < length)
{
int runLength = reader.ReadInt32();
if (runLength > 0)
{
// a positive runLength indicates a run of repeating values.
// So, we only need to store the actual value once.
T value = ReadValue(reader);
for (int i = 0; i < runLength; i++)
{
array[index++] = value;
}
}
else // runLength < 0
{
// a negative runLength indicates a run of unique values
for (int i = runLength; i < 0; i++)
{
// in this case, we need to store each value
T value = ReadValue(reader);
array[index++] = value;
}
}
}
return(array);
}
/// <summary>
/// Read any packet based solely on its PacketDefinition
/// </summary>
/// <param name="definition">PacketDefinition describing the next packet in the stream</param>
/// <param name="reader">Data stream to be read</param>
public GenericPacket(PacketDefinition definition, IFieldReader reader)
{
if (definition.BasePacket != null)
{
m_BasePacket = new GenericPacket(definition.BasePacket, reader);
}
m_Definition = definition;
m_FieldValues = new object[definition.Fields.Count];
for (int index = 0; index < definition.Fields.Count; index++)
{
switch (definition.Fields[index].FieldType)
{
case FieldType.Bool:
m_FieldValues[index] = reader.ReadBool();
break;
case FieldType.BoolArray:
m_FieldValues[index] = reader.ReadBoolArray();
break;
case FieldType.String:
m_FieldValues[index] = reader.ReadString();
break;
case FieldType.StringArray:
m_FieldValues[index] = reader.ReadStringArray();
break;
case FieldType.Int32:
m_FieldValues[index] = reader.ReadInt32();
break;
case FieldType.Int32Array:
m_FieldValues[index] = reader.ReadInt32Array();
break;
case FieldType.Int64:
m_FieldValues[index] = reader.ReadInt64();
break;
case FieldType.Int64Array:
m_FieldValues[index] = reader.ReadInt64Array();
break;
case FieldType.UInt32:
m_FieldValues[index] = reader.ReadUInt32();
break;
case FieldType.UInt32Array:
m_FieldValues[index] = reader.ReadUInt32Array();
break;
case FieldType.UInt64:
m_FieldValues[index] = reader.ReadUInt64();
break;
case FieldType.UInt64Array:
m_FieldValues[index] = reader.ReadUInt64Array();
break;
case FieldType.Double:
m_FieldValues[index] = reader.ReadDouble();
break;
case FieldType.DoubleArray:
m_FieldValues[index] = reader.ReadDoubleArray();
break;
case FieldType.TimeSpan:
m_FieldValues[index] = reader.ReadTimeSpan();
break;
case FieldType.TimeSpanArray:
m_FieldValues[index] = reader.ReadTimeSpanArray();
break;
case FieldType.DateTime:
m_FieldValues[index] = reader.ReadDateTime();
break;
case FieldType.DateTimeArray:
m_FieldValues[index] = reader.ReadDateTimeArray();
break;
case FieldType.Guid:
m_FieldValues[index] = reader.ReadGuid();
break;
case FieldType.GuidArray:
m_FieldValues[index] = reader.ReadGuidArray();
break;
case FieldType.DateTimeOffset:
m_FieldValues[index] = reader.ReadDateTimeOffset();
break;
case FieldType.DateTimeOffsetArray:
m_FieldValues[index] = reader.ReadDateTimeOffsetArray();
break;
default:
#if DEBUG
if (Debugger.IsAttached)
{
Debugger.Break();
}
#endif
throw new InvalidOperationException(string.Format("The field type {0} is unknown so we can't deserialize the packet ", definition.Fields[index].FieldType));
}
}
}
