/// <summary>
/// Fire the events registered for this event type asynchronously
/// </summary>
/// <param name="capsEvent">Capability name</param>
/// <param name="body">Decoded event body</param>
/// <param name="simulator">Reference to the simulator that
/// generated this event</param>
internal void BeginRaiseEvent(string capsEvent, StructuredData.LLSD body, Simulator simulator)
{
bool specialHandler = false;
Caps.EventQueueCallback callback;
// Default handler first, if one exists
if (_EventTable.TryGetValue(String.Empty, out callback))
{
if (callback != null)
{
CapsCallbackWrapper wrapper;
wrapper.Callback = callback;
wrapper.CapsEvent = capsEvent;
wrapper.Body = body;
wrapper.Simulator = simulator;
ThreadPool.QueueUserWorkItem(_ThreadPoolCallback, wrapper);
}
}
// Generic parser next, don't generic parse events we've manually registered for
if (body.Type == StructuredData.LLSDType.Map && !_EventTable.ContainsKey(capsEvent))
{
StructuredData.LLSDMap map = (StructuredData.LLSDMap)body;
Packet packet = Packet.BuildPacket(capsEvent, map);
if (packet != null)
{
NetworkManager.IncomingPacket incomingPacket;
incomingPacket.Simulator = simulator;
incomingPacket.Packet = packet;
Logger.DebugLog("Serializing " + packet.Type.ToString() + " capability with generic handler", Client);
Client.Network.PacketInbox.Enqueue(incomingPacket);
specialHandler = true;
}
}
// Explicit handler next
if (_EventTable.TryGetValue(capsEvent, out callback) && callback != null)
{
CapsCallbackWrapper wrapper;
wrapper.Callback = callback;
wrapper.CapsEvent = capsEvent;
wrapper.Body = body;
wrapper.Simulator = simulator;
ThreadPool.QueueUserWorkItem(_ThreadPoolCallback, wrapper);
specialHandler = true;
}
if (!specialHandler)
{
Logger.Log("Unhandled CAPS event " + capsEvent, Helpers.LogLevel.Warning, Client);
}
}
private static LLSDMap ParseXmlMap(XmlTextReader reader)
{
if (reader.NodeType != XmlNodeType.Element || reader.LocalName != "map")
{
throw new NotImplementedException("Expected <map>");
}
LLSDMap map = new LLSDMap();
if (reader.IsEmptyElement)
{
reader.Read();
return(map);
}
if (reader.Read())
{
while (true)
{
SkipWhitespace(reader);
if (reader.NodeType == XmlNodeType.EndElement && reader.LocalName == "map")
{
reader.Read();
break;
}
if (reader.NodeType != XmlNodeType.Element || reader.LocalName != "key")
{
throw new LLSDException("Expected <key>");
}
string key = reader.ReadString();
if (reader.NodeType != XmlNodeType.EndElement || reader.LocalName != "key")
{
throw new LLSDException("Expected </key>");
}
if (reader.Read())
{
map[key] = ParseXmlElement(reader);
}
else
{
throw new LLSDException("Failed to parse a value for key " + key);
}
}
}
return(map);
}
/// <summary>
/// Fire the events registered for this event type synchronously
/// </summary>
/// <param name="capsEvent">Capability name</param>
/// <param name="body">Decoded event body</param>
/// <param name="simulator">Reference to the simulator that
/// generated this event</param>
internal void RaiseEvent(string capsEvent, StructuredData.LLSD body, Simulator simulator)
{
bool specialHandler = false;
Caps.EventQueueCallback callback;
// Default handler first, if one exists
if (_EventTable.TryGetValue(capsEvent, out callback))
{
if (callback != null)
{
try { callback(capsEvent, body, simulator); }
catch (Exception ex) { Logger.Log("CAPS Event Handler: " + ex.ToString(), Helpers.LogLevel.Error, Client); }
}
}
// Generic parser next
if (body.Type == StructuredData.LLSDType.Map)
{
StructuredData.LLSDMap map = (StructuredData.LLSDMap)body;
Packet packet = Packet.BuildPacket(capsEvent, map);
if (packet != null)
{
NetworkManager.IncomingPacket incomingPacket;
incomingPacket.Simulator = simulator;
incomingPacket.Packet = packet;
Logger.DebugLog("Serializing " + packet.Type.ToString() + " capability with generic handler", Client);
Client.Network.PacketInbox.Enqueue(incomingPacket);
specialHandler = true;
}
}
// Explicit handler next
if (_EventTable.TryGetValue(capsEvent, out callback) && callback != null)
{
try { callback(capsEvent, body, simulator); }
catch (Exception ex) { Logger.Log("CAPS Event Handler: " + ex.ToString(), Helpers.LogLevel.Error, Client); }
specialHandler = true;
}
if (!specialHandler)
{
Logger.Log("Unhandled CAPS event " + capsEvent, Helpers.LogLevel.Warning, Client);
}
}
private static LLSD DeserializeNotationMap(StringReader reader)
{
int character;
LLSDMap llsdMap = new LLSDMap();
while (((character = PeekAndSkipWhitespace(reader)) > 0) &&
((char)character != mapEndNotationMarker))
{
LLSD llsdKey = DeserializeNotationElement(reader);
if (llsdKey.Type != LLSDType.String)
{
throw new LLSDException("Notation LLSD parsing: Invalid key in map");
}
string key = llsdKey.AsString();
character = ReadAndSkipWhitespace(reader);
if ((char)character != keyNotationDelimiter)
{
throw new LLSDException("Notation LLSD parsing: Unexpected end of stream in map.");
}
if ((char)character != keyNotationDelimiter)
{
throw new LLSDException("Notation LLSD parsing: Invalid delimiter in map.");
}
llsdMap[key] = DeserializeNotationElement(reader);
character = ReadAndSkipWhitespace(reader);
if (character < 0)
{
throw new LLSDException("Notation LLSD parsing: Unexpected end of map discovered.");
}
else if ((char)character == kommaNotationDelimiter)
{
continue;
}
else if ((char)character == mapEndNotationMarker)
{
break;
}
}
if (character < 0)
{
throw new LLSDException("Notation LLSD parsing: Unexpected end of map discovered.");
}
return((LLSD)llsdMap);
}
private static void SerializeBinaryMap(MemoryStream stream, LLSDMap llsdMap)
{
stream.WriteByte(mapBeginBinaryMarker);
byte[] binaryNumElementsNetEnd = HostToNetworkIntBytes(llsdMap.Count);
stream.Write(binaryNumElementsNetEnd, 0, int32Length);
foreach (KeyValuePair <string, LLSD> kvp in llsdMap)
{
stream.WriteByte(keyBinaryMarker);
byte[] binaryKey = Encoding.UTF8.GetBytes(kvp.Key);
byte[] binaryKeyLength = HostToNetworkIntBytes(binaryKey.Length);
stream.Write(binaryKeyLength, 0, int32Length);
stream.Write(binaryKey, 0, binaryKey.Length);
SerializeBinaryElement(stream, kvp.Value);
}
stream.WriteByte(mapEndBinaryMarker);
}
private static void SerializeNotationMap(StringWriter writer, LLSDMap llsdMap)
{
writer.Write(mapBeginNotationMarker);
int lastIndex = llsdMap.Count - 1;
int idx = 0;
foreach (KeyValuePair <string, LLSD> kvp in llsdMap)
{
writer.Write(singleQuotesNotationMarker);
writer.Write(EscapeCharacter(kvp.Key, singleQuotesNotationMarker));
writer.Write(singleQuotesNotationMarker);
writer.Write(keyNotationDelimiter);
SerializeNotationElement(writer, kvp.Value);
if (idx < lastIndex)
{
writer.Write(kommaNotationDelimiter);
}
idx++;
}
writer.Write(mapEndNotationMarker);
}
private static LLSD ParseNotationElement(string notationData, out int endPos)
{
if (notationData.Length == 0)
{
endPos = 0;
return(null);
}
// Identify what type of object this is
switch (notationData[0])
{
case '!':
endPos = 1;
return(new LLSD());
case '1':
endPos = 1;
return(LLSD.FromBoolean(true));
case '0':
endPos = 1;
return(LLSD.FromBoolean(false));
case 'i':
{
if (notationData.Length < 2)
{
endPos = notationData.Length;
return(LLSD.FromInteger(0));
}
int value;
endPos = FindEnd(notationData, 1);
if (Helpers.TryParse(notationData.Substring(1, endPos - 1), out value))
{
return(LLSD.FromInteger(value));
}
else
{
return(LLSD.FromInteger(0));
}
}
case 'r':
{
if (notationData.Length < 2)
{
endPos = notationData.Length;
return(LLSD.FromReal(0d));
}
double value;
endPos = FindEnd(notationData, 1);
if (Helpers.TryParse(notationData.Substring(1, endPos - 1), out value))
{
return(LLSD.FromReal(value));
}
else
{
return(LLSD.FromReal(0d));
}
}
case 'u':
{
if (notationData.Length < 17)
{
endPos = notationData.Length;
return(LLSD.FromUUID(LLUUID.Zero));
}
LLUUID value;
endPos = FindEnd(notationData, 1);
if (Helpers.TryParse(notationData.Substring(1, endPos - 1), out value))
{
return(LLSD.FromUUID(value));
}
else
{
return(LLSD.FromUUID(LLUUID.Zero));
}
}
case 'b':
throw new NotImplementedException("Notation binary type is unimplemented");
case 's':
case '"':
case '\'':
if (notationData.Length < 2)
{
endPos = notationData.Length;
return(LLSD.FromString(String.Empty));
}
endPos = FindEnd(notationData, 1);
return(LLSD.FromString(notationData.Substring(1, endPos - 1).Trim(new char[] { '"', '\'' })));
case 'l':
throw new NotImplementedException("Notation URI type is unimplemented");
case 'd':
throw new NotImplementedException("Notation date type is unimplemented");
case '[':
{
if (notationData.IndexOf(']') == -1)
{
throw new LLSDException("Invalid notation array");
}
int pos = 0;
LLSDArray array = new LLSDArray();
while (notationData[pos] != ']')
{
++pos;
// Advance past comma if need be
if (notationData[pos] == ',')
{
++pos;
}
// Allow a single whitespace character
if (pos < notationData.Length && notationData[pos] == ' ')
{
++pos;
}
int end;
array.Add(ParseNotationElement(notationData.Substring(pos), out end));
pos += end;
}
endPos = pos + 1;
return(array);
}
case '{':
{
if (notationData.IndexOf('}') == -1)
{
throw new LLSDException("Invalid notation map");
}
int pos = 0;
LLSDMap hashtable = new LLSDMap();
while (notationData[pos] != '}')
{
++pos;
// Advance past comma if need be
if (notationData[pos] == ',')
{
++pos;
}
// Allow a single whitespace character
if (pos < notationData.Length && notationData[pos] == ' ')
{
++pos;
}
if (notationData[pos] != '\'')
{
throw new LLSDException("Expected a map key");
}
int endquote = notationData.IndexOf('\'', pos + 1);
if (endquote == -1 || (endquote + 1) >= notationData.Length || notationData[endquote + 1] != ':')
{
throw new LLSDException("Invalid map format");
}
string key = notationData.Substring(pos, endquote - pos);
key = key.Trim(new char[] { '"', '\'' }); //key.Replace("'", String.Empty);
pos += (endquote - pos) + 2;
int end;
hashtable[key] = ParseNotationElement(notationData.Substring(pos), out end);
pos += end;
}
endPos = pos + 1;
return(hashtable);
}
default:
throw new LLSDException("Unknown notation value type");
}
}
public static void SerializeXmlElement(XmlTextWriter writer, LLSD data)
{
switch (data.Type)
{
case LLSDType.Unknown:
writer.WriteStartElement(String.Empty, "undef", String.Empty);
writer.WriteEndElement();
break;
case LLSDType.Boolean:
writer.WriteStartElement(String.Empty, "boolean", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Integer:
writer.WriteStartElement(String.Empty, "integer", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Real:
writer.WriteStartElement(String.Empty, "real", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.String:
writer.WriteStartElement(String.Empty, "string", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.UUID:
writer.WriteStartElement(String.Empty, "uuid", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Date:
writer.WriteStartElement(String.Empty, "date", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.URI:
writer.WriteStartElement(String.Empty, "uri", String.Empty);
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Binary:
writer.WriteStartElement(String.Empty, "binary", String.Empty);
writer.WriteStartAttribute(String.Empty, "encoding", String.Empty);
writer.WriteString("base64");
writer.WriteEndAttribute();
writer.WriteString(data.AsString());
writer.WriteEndElement();
break;
case LLSDType.Map:
LLSDMap map = (LLSDMap)data;
writer.WriteStartElement(String.Empty, "map", String.Empty);
foreach (KeyValuePair <string, LLSD> kvp in map)
{
writer.WriteStartElement(String.Empty, "key", String.Empty);
writer.WriteString(kvp.Key);
writer.WriteEndElement();
SerializeXmlElement(writer, kvp.Value);
}
writer.WriteEndElement();
break;
case LLSDType.Array:
LLSDArray array = (LLSDArray)data;
writer.WriteStartElement(String.Empty, "array", String.Empty);
for (int i = 0; i < array.Count; i++)
{
SerializeXmlElement(writer, array[i]);
}
writer.WriteEndElement();
break;
}
}
