public static DisposableRealmPacketIn Create(PacketId opCode, byte[] outPacketContent, int contentOffset,
int contentLength, BufferSegment segment)
{
if (!Enum.IsDefined(typeof(RealmServerOpCode), (object)opCode.RawId))
{
throw new Exception("Packet had undefined Opcode: " + (object)opCode);
}
int num1 = contentLength > (int)short.MaxValue ? 7 : 6;
int length = contentLength + num1;
int num2 = length - (num1 - 4);
if (num1 == 7)
{
segment.Buffer.Array[segment.Offset] = (byte)(num2 >> 16 | 128);
segment.Buffer.Array[segment.Offset + 1] = (byte)(num2 >> 8);
segment.Buffer.Array[segment.Offset + 2] = (byte)num2;
segment.Buffer.Array[segment.Offset + 3] = (byte)opCode.RawId;
segment.Buffer.Array[segment.Offset + 4] = (byte)(opCode.RawId >> 8);
}
else
{
segment.Buffer.Array[segment.Offset] = (byte)(num2 >> 8);
segment.Buffer.Array[segment.Offset + 1] = (byte)num2;
segment.Buffer.Array[segment.Offset + 2] = (byte)opCode.RawId;
segment.Buffer.Array[segment.Offset + 3] = (byte)(opCode.RawId >> 8);
}
Array.Copy((Array)outPacketContent, contentOffset, (Array)segment.Buffer.Array, segment.Offset + num1,
contentLength);
return(new DisposableRealmPacketIn(segment, 0, length, contentLength, (RealmServerOpCode)opCode.RawId));
}
/// <summary>
/// Registers a packet handler delegate for a specific packet.
/// </summary>
/// <param name="packetId">the PacketID of the packet to register the handler for</param>
/// <param name="fn">the handler delegate to register for the specified packet type</param>
public void Register(PacketId packetId, Action <C, P> fn, bool isGamePacket, bool requiresLogin)
{
if (m_handlers[packetId.RawId] != null)
{
s_log.Debug(string.Format(Resources.HandlerAlreadyRegistered, packetId, m_handlers[packetId.RawId].Handler, fn));
}
m_handlers[packetId.RawId] = new PacketHandler <C, P>(fn, isGamePacket, requiresLogin);
}
public PacketHandler <C, P> this[PacketId packetId]
{
get
{
return(m_handlers[packetId.RawId]);
}
set
{
m_handlers[packetId.RawId] = value;
}
}
/// <summary>
/// Dumps the array to string form, using hexadecimal as the formatter
/// </summary>
/// <returns>hexadecimal representation of the data parsed</returns>
public static string ToHex(PacketId packetId, byte[] arr, int start, int count)
{
var hexDump = new StringBuilder();
hexDump.Append('\n');
hexDump.Append("{SERVER} " + string.Format("Packet: ({0}) {1} PacketSize = {2}\n" +
"|------------------------------------------------|----------------|\n" +
"|00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F |0123456789ABCDEF|\n" +
"|------------------------------------------------|----------------|\n",
"0x" + ((short)packetId.RawId).ToString("X4"), packetId, count));
int end = start + count;
for (int i = start; i < end; i += 16)
{
var text = new StringBuilder();
var hex = new StringBuilder();
hex.Append("|");
for (int j = 0; j < 16; j++)
{
if (j + i < end)
{
byte val = arr[j + i];
hex.Append(arr[j + i].ToString("X2"));
hex.Append(" ");
if (val >= 32 && val <= 127)
{
text.Append((char)val);
}
else
{
text.Append(".");
}
}
else
{
hex.Append(" ");
text.Append(" ");
}
}
hex.Append("|");
hex.Append(text + "|");
hex.Append('\n');
hexDump.Append(hex.ToString());
}
hexDump.Append("-------------------------------------------------------------------");
return hexDump.ToString();
}
/// <summary>
/// Registers a packet handler delegate for a specific packet.
/// </summary>
/// <param name="packetId">the PacketID of the packet to register the handler for</param>
/// <param name="fn">the handler delegate to register for the specified packet type</param>
public void Register(PacketId packetId, Action <C, P> fn, bool isGamePacket, bool requiresLogin)
{
if (this.m_handlers[packetId.RawId] != null)
{
this.s_log.Debug(string.Format(WCell_Core.HandlerAlreadyRegistered, (object)packetId,
(object)this.m_handlers[packetId.RawId].Handler, (object)fn));
}
if (fn != null)
{
this.m_handlers[packetId.RawId] = new PacketHandler <C, P>(fn, isGamePacket, requiresLogin);
}
else
{
this.m_handlers[packetId.RawId] = (PacketHandler <C, P>)null;
}
}
public static DisposableRealmPacketIn Create(PacketId opCode, byte[] outPacketContent, int contentOffset, int contentLength,
BufferSegment segment)
{
#if DEBUG
if (!Enum.IsDefined(typeof(RealmServerOpCode), opCode.RawId))
{
throw new Exception("Packet had undefined Opcode: " + opCode);
}
#endif
int headerSize = (contentLength > WCellDef.HEADER_CHANGE_THRESHOLD ? LARGE_PACKET_HEADER_SIZE : HEADER_SIZE);
var totalLength = contentLength + headerSize;
var packetSize = totalLength - (headerSize - 4);
if (headerSize == LARGE_PACKET_HEADER_SIZE)
{
segment.Buffer.Array[segment.Offset] = (byte)((packetSize >> 16) | 0x80);
segment.Buffer.Array[segment.Offset + 1] = (byte)(packetSize >> 8);
segment.Buffer.Array[segment.Offset + 2] = (byte)packetSize;
segment.Buffer.Array[segment.Offset + 3] = (byte)((int)opCode.RawId);
segment.Buffer.Array[segment.Offset + 4] = (byte)(((int)opCode.RawId) >> 8);
}
else
{
segment.Buffer.Array[segment.Offset] = (byte)(packetSize >> 8);
segment.Buffer.Array[segment.Offset + 1] = (byte)packetSize;
segment.Buffer.Array[segment.Offset + 2] = (byte)((int)opCode.RawId);
segment.Buffer.Array[segment.Offset + 3] = (byte)(((int)opCode.RawId) >> 8);
}
Array.Copy(outPacketContent, contentOffset, segment.Buffer.Array, segment.Offset + headerSize, contentLength);
return new DisposableRealmPacketIn(segment, 0, totalLength,
contentLength, (RealmServerOpCode)opCode.RawId);
}
public static DisposableRealmPacketIn Create(PacketId opCode, byte[] outPacketContent, int contentOffset, int contentLength,
BufferSegment segment)
{
#if DEBUG
if (!Enum.IsDefined(typeof(RealmServerOpCode), opCode.RawId))
{
throw new Exception("Packet had undefined Opcode: " + opCode);
}
#endif
int headerSize = (contentLength > WCellConstants.HEADER_CHANGE_THRESHOLD ? LARGE_PACKET_HEADER_SIZE : HEADER_SIZE);
var totalLength = contentLength + headerSize;
var packetSize = totalLength - (headerSize - 4);
if (headerSize == LARGE_PACKET_HEADER_SIZE)
{
segment.Buffer.Array[segment.Offset] = (byte)((packetSize >> 16) | 0x80);
segment.Buffer.Array[segment.Offset + 1] = (byte)(packetSize >> 8);
segment.Buffer.Array[segment.Offset + 2] = (byte)packetSize;
segment.Buffer.Array[segment.Offset + 3] = (byte)((int)opCode.RawId);
segment.Buffer.Array[segment.Offset + 4] = (byte)(((int)opCode.RawId) >> 8);
}
else
{
segment.Buffer.Array[segment.Offset] = (byte)(packetSize >> 8);
segment.Buffer.Array[segment.Offset + 1] = (byte)packetSize;
segment.Buffer.Array[segment.Offset + 2] = (byte)((int)opCode.RawId);
segment.Buffer.Array[segment.Offset + 3] = (byte)(((int)opCode.RawId) >> 8);
}
Array.Copy(outPacketContent, contentOffset, segment.Buffer.Array, segment.Offset + headerSize, contentLength);
return(new DisposableRealmPacketIn(segment, 0, totalLength,
contentLength, (RealmServerOpCode)opCode.RawId));
}
public PacketDefinition(PacketId packetId, PacketSender sender, PacketSegmentStructure structure)
{
PacketIds = new[] { packetId };
Sender = sender;
Structure = structure ?? new ComplexPacketSegmentStructure();
}
public PacketDefinition(PacketId[] packetIds, PacketSender sender, List<PacketSegmentStructure> structure)
: this(packetIds, sender, new ComplexPacketSegmentStructure(null, structure))
{
}
public PacketDefinition(PacketId[] packetIds, PacketSender sender, params PacketSegmentStructure[] structure)
: this(packetIds, sender, new ComplexPacketSegmentStructure(structure))
{
}
public void SetPacketID(PacketId id)
{
_packetID = id;
}
/// <summary>
/// Gets the PacketDefinition for the PacketId
/// </summary>
public static PacketDefinition GetDefinition(PacketId packetId, PacketSender sender)
{
return GetDefinition(PacketDefinitions[(uint)packetId.Service], packetId.RawId, sender);
}
/// <summary>Constructs an empty packet with the given packet ID.</summary>
/// <param name="id">the ID of the packet</param>
protected PacketOut(PacketId id)
: base((Stream)BufferManager.Default.CheckOutStream())
{
this.m_id = id;
}
//public static void WriteHeader(byte[] buffer, int offset, int length, PacketId opcode)
//{
//}
public RealmPacketOut(PacketId packetId)
: this(packetId, 128)
{
}
public RealmPacketOut(PacketId packetId, int maxContentLength)
: base(packetId, maxContentLength + 4)
{
this.Position += 2L;
this.Write((ushort)packetId.RawId);
}
public static DisposableRealmPacketIn Create(PacketId opCode, byte[] outPacketContent)
{
var segment = BufferManager.GetSegment(outPacketContent.Length + HEADER_SIZE);
return(Create(opCode, outPacketContent, 0, outPacketContent.Length, segment));
}
/// <summary>
/// Constructs an empty packet with an initial capacity of exactly or greater than the specified amount.
/// </summary>
/// <param name="id">the ID of the packet</param>
/// <param name="maxCapacity">the minimum space required for the packet</param>
protected PacketOut(PacketId id, int maxCapacity)
: base(BufferManager.GetSegmentStream(maxCapacity))
//: base(new MemoryStream(maxCapacity))
{
m_id = id;
}
/// <summary>
/// Constructs an empty packet with the given packet ID.
/// </summary>
/// <param name="id">the ID of the packet</param>
protected PacketOut(PacketId id)
: base(BufferManager.Default.CheckOutStream())
//: base(new MemoryStream())
{
m_id = id;
}
private static bool ValidateOpCode(PacketId packetId)
{
return packetId == RealmServerOpCode.SMSG_GAMEOBJECT_QUERY_RESPONSE;
}
public RealmPacketOut(PacketId packetId, int maxContentLength)
: base(packetId, maxContentLength + HEADER_SIZE)
{
Position += 2; // length
Write((ushort)packetId.RawId);
}
public PacketHandlerAttribute(PacketId identifier)
{
this.Id = identifier;
this.IsGamePacket = true;
this.RequiresLogin = true;
}
public RealmPacketOut(PacketId packetId, int maxContentLength)
: base(packetId, maxContentLength + HEADER_SIZE)
{
Position += 2; // length
Write((ushort)packetId.RawId);
}
public static DisposableRealmPacketIn Create(PacketId opCode, byte[] outPacketContent)
{
var segment = BufferManager.GetSegment(outPacketContent.Length + HEADER_SIZE);
return Create(opCode, outPacketContent, 0, outPacketContent.Length, segment);
}
public PinnedRealmPacketIn(byte[] bytes, int offset, int length, ushort contentLength, PacketId packetId)
: this(bytes, offset, length)
{
_payloadSize = contentLength;
_packetID = packetId;
}
//public static void WriteHeader(byte[] buffer, int offset, int length, PacketId opcode)
//{
//}
public RealmPacketOut(PacketId packetId)
: this(packetId, 128)
{
}
public void TestPacketManagementFunctions()
{
MemoryStream memStream = new MemoryStream();
BinaryWriter bWriter = new BinaryWriter(memStream);
byte[] firstTwentyBytes = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x01, 0x02, 0x03, 0x04, 0x05,
0x01, 0x02, 0x03, 0x04, 0x05, 0x01, 0x02, 0x03, 0x04, 0x05 };
byte[] lastThreeBytes = new byte[] { 0x09, 0x13, 0x41 };
// we'll write 23 random bytes.
bWriter.Write(firstTwentyBytes);
bWriter.Write(lastThreeBytes);
byte[] memStreamArr = memStream.ToArray();
TestPacketIn packet = new TestPacketIn(memStreamArr);
Assert.AreEqual((long)10, packet.Seek(10, SeekOrigin.Begin));
Assert.AreEqual((long)20, packet.Seek(10, SeekOrigin.Current));
Assert.AreEqual((long)23, packet.Seek(0, SeekOrigin.End));
packet.Position = 0;
Assert.AreEqual(0, packet.Position);
packet.SkipBytes(9);
Assert.AreEqual(9, packet.Position);
PacketId serviceId = new PacketId(ServiceType.Authentication, 1);
packet.SetPacketID(serviceId);
Assert.AreEqual(serviceId, packet.PacketId);
}
/// <summary>Gets the name of the packet ID. (ie. CMSG_PING)</summary>
/// <returns>a string containing the packet's canonical name</returns>
public override string ToString()
{
return(PacketId.ToString());
}
public void Unregister(PacketId type)
{
m_handlers[type.RawId] = null;
}
public TestPacketOut(PacketId id, int capcity)
: base(id, capcity)
{
Position += 2;
WriteUShort(id.RawId);
}
public PacketHandlerAttribute(PacketId identifier)
{
Id = identifier;
IsGamePacket = true;
RequiresLogin = true;
}
public PacketDefinition(PacketId[] packetIds, PacketSender sender, PacketSegmentStructure structure)
{
PacketIds = packetIds;
Sender = sender;
Structure = structure ?? new ComplexPacketSegmentStructure();
}
public ClientPacketHandlerAttribute(PacketId identifier)
: base(identifier)
{
}
public PacketDefinition(PacketId packetId, PacketSender sender, params PacketSegmentStructure[] structure)
: this(new[] { packetId }, sender, new ComplexPacketSegmentStructure(structure))
{
}
public static DisposableRealmPacketIn Create(PacketId opCode, byte[] outPacketContent)
{
BufferSegment segment = BufferManager.GetSegment(outPacketContent.Length + 6);
return(DisposableRealmPacketIn.Create(opCode, outPacketContent, 0, outPacketContent.Length, segment));
}
public PacketDefinition(PacketId packetId, PacketSender sender, List<PacketSegmentStructure> structure)
: this(new[] { packetId }, sender, new ComplexPacketSegmentStructure(null, structure))
{
}
public PacketHandlerAttribute(PacketId identifier)
{
Id = identifier;
IsGamePacket = true;
RequiresLogin = true;
}
public void Unregister(PacketId type)
{
this.m_handlers[type.RawId] = (PacketHandler <C, P>)null;
}
public ClientPacketHandlerAttribute(PacketId identifier)
: base(identifier)
{
}
private static bool CanDump(PacketId id)
{
return Dumps &&
IgnoredOpcodes.Where(filter =>
id.ToString().IndexOf(filter, StringComparison.InvariantCultureIgnoreCase) != -1).Count() == 0;
}
public static bool IsDefined(PacketId packetId, PacketSender sender)
{
return GetDefinition(PacketDefinitions[(uint)packetId.Service], packetId.RawId, sender) != null;
}
/// <summary>
/// Constructs an empty packet with an initial capacity of exactly or greater than the specified amount.
/// </summary>
/// <param name="id">the ID of the packet</param>
/// <param name="maxCapacity">the minimum space required for the packet</param>
protected PacketOut(PacketId id, int maxCapacity)
: base((Stream)BufferManager.GetSegmentStream(maxCapacity))
{
this.m_id = id;
}
public PinnedRealmPacketIn(byte[] bytes, int offset, int length, ushort contentLength, PacketId packetId)
: this(bytes, offset, length)
{
_payloadSize = contentLength;
_packetID = packetId;
}