internal override void Init(PacketDefinition def)
{
foreach (var segment in Segments)
{
segment.Init(def);
}
}
internal override void Init(PacketDefinition def)
{
if (Segments.Count == 0)
{
throw new Exception("List " + Name + " in Defintion for " + def.PacketIds.ToString(", ") + " has no structure defined.");
}
if (string.IsNullOrEmpty(Name))
{
throw new Exception("List in " + def.PacketIds.ToString(", ") + " has no Name but Name is required.");
}
if (LengthSegment == null)
{
if (!string.IsNullOrEmpty(LengthSegmentName))
{
if ((LengthSegment = def.GetSegment(LengthSegmentName)) == null)
{
throw new ArgumentException("Length-Segment \"" + LengthSegmentName + "\" for ListSegment " + this + " does not exist.");
}
}
}
foreach (var segment in Segments)
{
segment.Init(def);
}
}
internal override void Init(PacketDefinition def)
{
if (Cases.Count == 0)
{
throw new ArgumentNullException(string.Format("No Conditions found in Switch {0} for packet {1}", this, def));
}
if (ReferenceSegment == null)
{
if (string.IsNullOrEmpty(ReferenceName))
{
throw new ArgumentException(def.PacketIds.ToString(", ") + " defines SwitchSegment without CompareWith-Attribute.");
}
if ((ReferenceSegment = def.GetSegment(ReferenceName)) == null)
{
throw new ArgumentException("CompareWith-Segment \"" + ReferenceName + "\" for SwitchSegment " + this + " does not exist.");
}
}
foreach (var condition in Cases)
{
try
{
condition.Init(this, def);
}
catch (Exception e)
{
throw new Exception(string.Format("Failed to parse Switch {0} - Invalid Case: {1}", this, condition), e);
}
}
}
public static ParsedSegment Parse(PacketIn packet, PacketSender sender, PacketDefinition def)
{
var parser = new PacketParser(packet, sender, def);
parser.Parse();
return(parser.ParsedPacket);
}
internal virtual void Init(PacketDefinition def)
{
if (string.IsNullOrEmpty(EncodingName))
{
Encoding = WCellConstants.DefaultEncoding;
}
else
{
Encoding = Encoding.GetEncoding(EncodingName);
}
}
public PacketParser(PacketIn packet, PacketSender sender, PacketDefinition def)
{
if (packet.PacketId == RealmServerOpCode.SMSG_COMPRESSED_MOVES)
{
var packet2 = ParseCompressedMove(packet);
if (packet2 != null)
{
packet = packet2;
}
}
Packet = packet;
Sender = sender;
Definition = def;
Timestamp = DateTime.Now;
}
public PacketParser(PacketIn packet, PacketSender sender, PacketDefinition def)
{
if (packet.PacketId == RealmServerOpCode.SMSG_COMPRESSED_MOVES)
{
var packet2 = ParseCompressedMove(packet);
if (packet2 != null)
{
packet = packet2;
}
}
Packet = packet;
Sender = sender;
Definition = def;
Timestamp = DateTime.Now;
}
/// <summary>
/// Registers a new PacketDefinition. Overrides existing Definitions (if any)
/// </summary>
public static void RegisterDefintion(PacketDefinition def)
{
foreach (var id in def.PacketIds)
{
var arr = PacketDefinitions[(uint)id.Service];
if (def.Sender == PacketSender.Any || def.Sender == PacketSender.Client)
{
arr[id.RawId * 2] = def;
}
if (def.Sender == PacketSender.Any || def.Sender == PacketSender.Server)
{
arr[id.RawId * 2 + 1] = def;
}
s_defCount++;
}
}
/// <summary>
/// Registers a new PacketDefinition. Overrides existing Definitions (if any)
/// </summary>
public static void RegisterDefintion(PacketDefinition def)
{
foreach (var id in def.PacketIds)
{
var arr = PacketDefinitions[(uint)id.Service];
if (def.Sender == PacketSender.Any || def.Sender == PacketSender.Client)
{
arr[id.RawId * 2] = def;
}
if (def.Sender == PacketSender.Any || def.Sender == PacketSender.Server)
{
arr[id.RawId * 2 + 1] = def;
}
s_defCount++;
}
}
public virtual void Init(SwitchPacketSegmentStructure swtch, PacketDefinition def)
{
m_switch = swtch;
if (StringValue != null)
{
var values = StringValue.Split(',');
if (values.Length > 0)
{
m_value = ParseValue(values[0]);
m_valueList = new List <object>();
foreach (var val in values)
{
m_valueList.Add(ParseValue(val));
}
}
}
if (m_value == null)
{
throw new Exception("No value given in Switch " + m_switch + " Case for " + def + "");
}
if (SegmentList.Count > 1 || SegmentList.Count == 0)
{
Structure = new ComplexPacketSegmentStructure(SegmentList);
}
else
{
Structure = SegmentList[0];
}
foreach (var segment in SegmentList)
{
segment.Init(def);
}
}
public void TestConditions()
{
PacketSegmentStructure spellAttributes, chatType, someNumber;
SwitchPacketSegmentStructure swtch;
SwitchCase cond, cond2, cond3, cond4;
var def = new PacketDefinition(RealmServerOpCode.CMSG_SET_FACTION_INACTIVE, PacketSender.Client,
spellAttributes = new PacketSegmentStructure(SimpleType.UInt, "SpellAttributes", typeof(SpellAttributes)),
chatType = new PacketSegmentStructure(SimpleType.UInt, "ChatType", typeof(ChatMsgType)),
someNumber = new PacketSegmentStructure(SimpleType.Int, "SomeNumber"),
swtch = new SwitchPacketSegmentStructure("some switch", chatType,
cond = new SwitchCase(ComparisonType.Equal, ChatMsgType.Say,
new PacketSegmentStructure(SimpleType.CString, "Message")
)
),
new SwitchPacketSegmentStructure("Mathmatical comparisons", someNumber,
cond2 = new SwitchCase(ComparisonType.GreaterOrEqual, 300,
new PacketSegmentStructure(SimpleType.CString, "Message")
)),
new SwitchPacketSegmentStructure("Flag Switch", spellAttributes,
cond3 = new SwitchCase(ComparisonType.And, "Passive | Ranged",
new PacketSegmentStructure(SimpleType.CString, "Something Else")
),
cond4 = new SwitchCase(ComparisonType.AndNot, "OnNextMelee",
new PacketSegmentStructure(SimpleType.CString, "Meleestuff")
)
)
);
// basic structure
Assert.AreEqual(6, ((ComplexPacketSegmentStructure)def.Structure).Segments.Count);
Assert.AreEqual(1, swtch.Cases.Count);
Assert.AreEqual(cond, swtch.Cases[0]);
def.Init();
// conditions
Assert.IsFalse(cond.Matches((ChatMsgType)123));
Assert.AreEqual(cond.Value, ChatMsgType.Say);
Assert.IsTrue(cond.Matches(ChatMsgType.Say));
Assert.IsFalse(cond2.Matches(123));
Assert.IsTrue(cond2.Matches(300));
Assert.IsTrue(cond2.Matches(3000));
Assert.IsTrue(cond3.Matches(SpellAttributes.Passive | SpellAttributes.Ranged | SpellAttributes.CannotBeCastInCombat));
Assert.IsFalse(cond3.Matches(SpellAttributes.StartCooldownAfterEffectFade));
Assert.IsTrue(cond4.Matches(SpellAttributes.Passive));
Assert.IsFalse(cond4.Matches(SpellAttributes.Passive | SpellAttributes.OnNextMelee));
Assert.IsFalse(cond4.Matches(SpellAttributes.OnNextMelee));
}
public void TestSavingAndLoading()
{
var def = new PacketDefinition(RealmServerOpCode.CMSG_SET_CHANNEL_WATCH, PacketSender.Client, new List<PacketSegmentStructure>());
PacketAnalyzer.RegisterDefintion(def);
var def2 = PacketAnalyzer.GetDefinition(RealmServerOpCode.CMSG_SET_CHANNEL_WATCH, PacketSender.Client);
Assert.AreEqual(def, def2);
def = new PacketDefinition(RealmServerOpCode.CMSG_SET_CHANNEL_WATCH, PacketSender.Any, new List<PacketSegmentStructure>());
PacketAnalyzer.RegisterDefintion(def);
def2 = PacketAnalyzer.GetDefinition(RealmServerOpCode.CMSG_SET_CHANNEL_WATCH, PacketSender.Server);
Assert.AreEqual(def, def2);
}
public void TestParsedSegment()
{
PacketDefinition def = new PacketDefinition(RealmServerOpCode.CMSG_PLAYER_AI_CHEAT, PacketSender.Client,
new PacketSegmentStructure(SimpleType.UInt, "SpellAttributes", typeof(SpellAttributes)),
new ListPacketSegmentStructure(SimpleType.Byte, "Members",
new PacketSegmentStructure(SimpleType.Guid, "MemberId"),
new PacketSegmentStructure(SimpleType.CString, "Name")
),
new SwitchPacketSegmentStructure("Attribute Switch", "SpellAttributes",
new SwitchCase(ComparisonType.And, SpellAttributes.CannotBeCastInCombat,
new PacketSegmentStructure(SimpleType.CString, "NoCombatString")
),
new SwitchCase(ComparisonType.And, SpellAttributes.CannotBeCastInCombat | SpellAttributes.CastableWhileMounted,
new PacketSegmentStructure(SimpleType.CString, "NoCombatNoDismountString")
)
),
new SwitchPacketSegmentStructure("List Switch", "Members",
new SwitchCase(ComparisonType.Equal, (byte)0,
new PacketSegmentStructure(SimpleType.Byte, "Status", "CharacterStatus"),
new SwitchPacketSegmentStructure("Nested Switch", "Status",
new SwitchCase(ComparisonType.AndNot, CharacterStatus.OFFLINE,
new PacketSegmentStructure(SimpleType.UInt, "NumX")
)
)
),
new SwitchCase(ComparisonType.GreaterThan, (byte)0,
new PacketSegmentStructure(SimpleType.CString, "Info")
)
),
new StaticListPacketSegmentStructure(1, "StaticList1",
new PacketSegmentStructure(SimpleType.Int, "Number1")
),
new StaticListPacketSegmentStructure(2, "StaticList2",
new PacketSegmentStructure(SimpleType.Int, "Number2")
),
new PacketSegmentStructure(SimpleType.Byte, "ListLength"),
new ListPacketSegmentStructure("SomeList3", "ListLength",
new PacketSegmentStructure(SimpleType.Int, "SomeListEle")
)
);
def.Init();
using (var packet = new RealmPacketOut(RealmServerOpCode.CMSG_PLAYER_AI_CHEAT))
{
packet.WriteUInt((uint)(SpellAttributes.CastableWhileMounted | SpellAttributes.CannotBeCastInCombat));
packet.WriteByte(2);
packet.Write(EntityId.Zero);
packet.WriteCString("Member1Name");
packet.Write(new EntityId(10));
packet.WriteCString("Member2Name");
packet.WriteCString("NoCombat");
packet.WriteCString("NoCombatNoDismount");
packet.WriteCString("lotsofinfo");
// StaticList1
packet.WriteInt(10);
// StaticList2
packet.WriteInt(20);
packet.WriteInt(30);
// SomeList3's length
packet.WriteByte(2);
// SomeList3
packet.WriteInt(5);
packet.WriteInt(7);
var parsedPacket = PacketParser.Parse(packet, PacketSender.Client, def);
Assert.AreEqual("NoCombat", parsedPacket["NoCombatString"].StringValue);
Assert.AreEqual("NoCombatNoDismount", parsedPacket["NoCombatNoDismountString"].StringValue);
var members = parsedPacket["Members"];
Assert.AreEqual(EntityId.Zero, members[0]["MemberId"].EntityIdValue);
Assert.AreEqual("Member1Name", members[0]["Name"].StringValue);
Assert.AreEqual("Member2Name", members[1]["Name"].StringValue);
Assert.AreEqual("lotsofinfo", parsedPacket["Info"].StringValue);
CheckRemainder(parsedPacket);
}
using (var packet = new RealmPacketOut(RealmServerOpCode.CMSG_PLAYER_AI_CHEAT))
{
packet.WriteUInt((uint)SpellAttributes.None);
packet.WriteByte(0);
packet.Write((byte)CharacterStatus.ONLINE);
packet.Write((uint)1234);
packet.WriteInt(10);
packet.WriteInt(20);
packet.WriteInt(30);
// SomeList3's length
packet.WriteByte(2);
// SomeList3
packet.WriteInt(5);
packet.WriteInt(7);
var parsedPacket = PacketParser.Parse(packet, PacketSender.Client, def);
Assert.IsNull(parsedPacket.GetByName("Info"));
Assert.AreEqual(CharacterStatus.ONLINE, parsedPacket["Status"].Value);
Assert.AreEqual((uint)1234, parsedPacket["NumX"].Value);
CheckRemainder(parsedPacket);
}
}
public void TestEmptyStructure()
{
var def = new PacketDefinition(RealmServerOpCode.CMSG_SET_CHANNEL_WATCH, PacketSender.Client, new List<PacketSegmentStructure>());
def.Init();
using (var packet = new RealmPacketOut(RealmServerOpCode.CMSG_PLAYER_AI_CHEAT))
{
packet.WriteUInt((uint)SpellAttributes.CannotRemove);
packet.WriteByte(0);
using (var packetIn = DisposableRealmPacketIn.CreateFromOutPacket(packet))
{
var parsedPacket = PacketParser.Parse(packetIn, PacketSender.Client, def);
Assert.AreEqual(0, parsedPacket.SubSegments.Count);
}
}
}
static PacketDefinition GetDefinition(PacketDefinition[] arr, uint rawId, PacketSender sender)
{
#if DEBUG
if (rawId * 2 >= arr.Length)
{
//Debugger.Break();
log.Error("Invalid Packet definition: " + rawId);
return arr[0];
}
#endif
if (sender == PacketSender.Any || sender == PacketSender.Client)
{
return arr[rawId * 2];
}
return arr[rawId * 2 + 1];
}
public virtual void Init(SwitchPacketSegmentStructure swtch, PacketDefinition def)
{
m_switch = swtch;
if (StringValue != null)
{
var values = StringValue.Split(',');
if (values.Length > 0)
{
m_value = ParseValue(values[0]);
m_valueList = new List<object>();
foreach (var val in values)
{
m_valueList.Add(ParseValue(val));
}
}
}
if (m_value == null)
{
throw new Exception("No value given in Switch " + m_switch + " Case for " + def + "");
}
if (SegmentList.Count > 1 || SegmentList.Count == 0)
{
Structure = new ComplexPacketSegmentStructure(SegmentList);
}
else
{
Structure = SegmentList[0];
}
foreach (var segment in SegmentList)
{
segment.Init(def);
}
}
public static ParsedSegment Parse(PacketIn packet, PacketSender sender, PacketDefinition def)
{
var parser = new PacketParser(packet, sender, def);
parser.Parse();
return parser.ParsedPacket;
}
public static ParsedSegment Parse(RealmPacketOut realmPacketOut, PacketSender sender, PacketDefinition def)
{
using (var packetIn = DisposableRealmPacketIn.CreateFromOutPacket(realmPacketOut))
{
//if (packetIn.PacketID == RealmServerOpCode.SMSG_COMPRESSED_MOVE)
//{
// using (var movePacket = ParseCompressedMove(packetIn))
// {
// return Parse(movePacket, sender, def);
// }
//}
return Parse(packetIn, sender, def);
}
}
public static ParsedSegment Parse(RealmPacketOut realmPacketOut, PacketSender sender, PacketDefinition def)
{
using (var packetIn = DisposableRealmPacketIn.CreateFromOutPacket(realmPacketOut))
{
//if (packetIn.PacketID == RealmServerOpCode.SMSG_COMPRESSED_MOVE)
//{
// using (var movePacket = ParseCompressedMove(packetIn))
// {
// return Parse(movePacket, sender, def);
// }
//}
return(Parse(packetIn, sender, def));
}
}
