public void Handle(ref SocketPipelineContext context, ref ReadOnlySequence <byte> data)
{
using (MemoryStream memoryStream = new MemoryStream())
{
using (ICryptoTransform decryptor = this.Crypt.CreateDecryptor())
{
using CryptoStream stream = new CryptoStream(memoryStream, decryptor, CryptoStreamMode.Write, leaveOpen: true);
byte[] array = data.ToArray();
Base64.DecodeFromUtf8InPlace(array, out int writtenBytes);
stream.Write(array, 0, writtenBytes);
}
ReadOnlySequence <byte> plank = new ReadOnlySequence <byte>(memoryStream.GetBuffer(), 0, (int)memoryStream.Length);
//Encryption leaves some ugly null bytes
SequencePosition?uglyNulls = plank.PositionOf((byte)'\0');
if (uglyNulls != null)
{
plank = plank.Slice(start: 0, end: uglyNulls.Value);
}
context.ProgressHandlerIn(ref plank);
}
}
public void Handle(ref SocketPipelineContext context, ref ReadOnlySequence <byte> data)
{
Utf8JsonReader jsonReader = new Utf8JsonReader(data);
Console.WriteLine($"-> {Encoding.UTF8.GetString(data.ToArray())}");
//All packets are arrays! Yey!
string packetName = jsonReader.ReadString();
switch (packetName)
{
case "greetings":
{
context.Connection.Send(@"[""ver"", ""Creation Server"", ""0""]"); //Server type, Server id(?)
context.Connection.Send(@"[""pleaseLogin""]");
}
break;
case "clientVersion":
{
//Please login here
}
break;
case "login":
{
context.Connection.Send(@"[""selfIntroduction"", [""1"", ""j"", ""Joni"", ""2"", ""what"", ""{}""]]"); //Id, Site, Name, Power, Avatar, Server vars?
context.Connection.Send(@"[""connectionReady""]");
}
break;
case "createGroup":
{
string groupType = jsonReader.ReadString();
if (groupType == "CreationGroup")
{
string groupName = jsonReader.ReadString();
context.Connection.Send(@$ "[" "createGroupResult" ", " "{groupName}" ", " "true" "]"); //Success
context.Connection.Send(@$ "[" "{groupName}cp" ", " "1" "]"); //User id
}
}
break;
case "update":
{
string groupName = jsonReader.ReadString();
List <int[][]> tiles = JsonSerializer.Deserialize <List <int[][]> >(jsonReader.ReadString());
tiles.RemoveAll((i) => i == null); //For whatever reason the client sends null's
if (tiles.Count > 0)
{
context.Connection.Send(@$ "[" "{groupName}step" ", " "{this.Step++}" ", {JsonSerializer.Serialize(tiles)}, " "" "]"); //Step num, tiles (x, y) coord pairs, user server vars
}
}
break;
}
}
public void Handle(ref SocketPipelineContext context, ref ReadOnlySequence <byte> data)
{
SequencePosition?position = data.PositionOf(SplitMessageHandler.BREAK_CHAR);
if (position != null)
{
ReadOnlySequence <byte> withoutTerminator = data.Slice(start: 0, end: position.Value);
context.ProgressReadHandler(ref withoutTerminator);
data = data.Slice(start: data.GetPosition(1, position.Value));
}
}
public void Handle(ref SocketPipelineContext context, ref ReadOnlySequence <byte> data)
{
Span <byte> checksum = stackalloc byte[3];
CryptoUtils.CreateChecksumHash(++this.IncomingCount, ref checksum);
Span <byte> checkAgainst = stackalloc byte[3];
data.Slice(start: 0, length: 3).CopyTo(checkAgainst);
if (checkAgainst.SequenceEqual(checksum))
{
data = data.Slice(start: 3);
context.ProgressReadHandler(ref data);
}
else
{
context.Disconnect("Incoming checksum error");
}
}
public void Handle <T>(ref SocketPipelineContext context, in T data, ref PacketWriter writer)
public void Handle(ref SocketPipelineContext context, in byte[] data, ref PacketWriter writer)