reemo/sockscape
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can i start actually making the game pls

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thank youi
This commit is contained in:
Malloc of Kuzkycyziklistan 2017-05-10 16:10:42 -05:00
parent 80a732a371
commit ebe6fff43f
4 changed files with 91 additions and 48 deletions
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86
server/Libraries/Kneesocks/Connection.cs
View file

@ -27,7 +27,7 @@ namespace Kneesocks {
ReadBuffer Buffer; ReadBuffer Buffer;
private byte[] FirstTwoBytes = null; private byte[] FirstTwoBytes = null;
private int ExtraHeaderSize = 2; private int ExtraHeaderSize = 0;
private byte[] FrameHeader = null; private byte[] FrameHeader = null;
private List<Frame> FrameBuffer = new List<Frame>(); private List<Frame> FrameBuffer = new List<Frame>();
@ -68,7 +68,22 @@ namespace Kneesocks {
ClientHandshake = conn.ClientHandshake; ClientHandshake = conn.ClientHandshake;
} }
public byte[] Parse() { public void ReadIfNotNull(ref byte[] buffer, int length) {
buffer = buffer == null ? Buffer.AttemptRead(length)
: buffer;
}
public void ReadIfNotNull(ref byte[] buffer, string terminator) {
buffer = buffer == null ? Buffer.AttemptRead(terminator)
: buffer;
}
public void Parse() {
if(!Stream.CanRead) {
Disconnected = true;
return;
}
byte[] readBuffer = null; byte[] readBuffer = null;
if(Buffer.IsReading) { if(Buffer.IsReading) {
readBuffer = Buffer.AttemptRead(); readBuffer = Buffer.AttemptRead();
@ -76,16 +91,14 @@ namespace Kneesocks {
if(Buffer.ElapsedReadTime.Seconds > (Handshaked ? 300 : 30)) if(Buffer.ElapsedReadTime.Seconds > (Handshaked ? 300 : 30))
Disconnect(Frame.kClosingReason.ProtocolError, "Timed out waiting for a full response"); Disconnect(Frame.kClosingReason.ProtocolError, "Timed out waiting for a full response");
return null; return;
} }
} }
if(!Handshaked) { if(!Handshaked) {
if(readBuffer == null) { ReadIfNotNull(ref readBuffer, "\r\n\r\n");
readBuffer = Buffer.AttemptRead("\r\n\r\n");
if(readBuffer == null) if(readBuffer == null)
return null; return;
}
try { try {
Handshake request = new Handshake(Encoding.ASCII.GetString(readBuffer)); Handshake request = new Handshake(Encoding.ASCII.GetString(readBuffer));
@ -95,24 +108,23 @@ namespace Kneesocks {
Handshaked = true; Handshaked = true;
} catch(Exception e) { } catch(Exception e) {
Disconnect(Frame.kClosingReason.ProtocolError, e.Message); Disconnect(Frame.kClosingReason.ProtocolError, e.Message);
return null; return;
} }
OnOpen(); OnOpen();
return null; return;
} }
OnParse(); OnParse();
if(FirstTwoBytes == null) { if(FirstTwoBytes == null) {
if(readBuffer == null) { ReadIfNotNull(ref readBuffer, 2);
readBuffer = Buffer.AttemptRead(2);
if(readBuffer == null) if(readBuffer == null)
return null; return;
}
FirstTwoBytes = readBuffer; FirstTwoBytes = readBuffer;
ExtraHeaderSize = Frame.HeaderSizeFromBytes(FirstTwoBytes) - 2; ExtraHeaderSize = Frame.HeaderLengthFromBytes(FirstTwoBytes) - 2;
readBuffer = null; readBuffer = null;
} }
@ -120,11 +132,9 @@ namespace Kneesocks {
if(ExtraHeaderSize == 0) if(ExtraHeaderSize == 0)
FrameHeader = FirstTwoBytes; FrameHeader = FirstTwoBytes;
else { else {
if(readBuffer == null) { ReadIfNotNull(ref readBuffer, ExtraHeaderSize);
readBuffer = Buffer.AttemptRead(ExtraHeaderSize);
if(readBuffer == null) if(readBuffer == null)
return null; return;
}
FrameHeader = FirstTwoBytes.Concat(readBuffer).ToArray(); FrameHeader = FirstTwoBytes.Concat(readBuffer).ToArray();
} }
@ -133,18 +143,44 @@ namespace Kneesocks {
} }
if(FrameHeader != null) { if(FrameHeader != null) {
var check = Frame.HeaderFromBytes() Frame tempFrame;
if() if(readBuffer == null) {
try {
tempFrame = Frame.HeaderFromBytes(FrameHeader);
} catch(Exception e) {
Disconnect(Frame.kClosingReason.ProtocolError, e.Message);
return;
} }
/*if(!Buffer.IsReading) { readBuffer = Buffer.AttemptRead(tempFrame.BodyLength);
readBuffer = Buffer.AttemptRead("\r\n\r\n");
if(readBuffer == null) if(readBuffer == null)
return null; return;
}*/ }
return null; try {
tempFrame = Frame.FromBytes(FrameHeader.Concat(readBuffer).ToArray());
} catch(Exception e) {
Disconnect(Frame.kClosingReason.ProtocolError, e.Message);
return;
}
FrameBuffer.Add(tempFrame);
FirstTwoBytes = null;
ExtraHeaderSize = 0;
FrameHeader = null;
if(tempFrame.IsFinal) {
byte[] byteBuffer = new byte[0];
foreach(var frame in FrameBuffer)
byteBuffer = byteBuffer.Concat(frame.Content).ToArray();
FrameBuffer = new List<Frame>();
OnReceive(byteBuffer);
}
}
return;
} }
public void Disconnect(string reason = null) { public void Disconnect(string reason = null) {

16
server/Libraries/Kneesocks/Frame.cs
View file

@ -41,7 +41,7 @@ namespace Kneesocks {
int length = 2 int length = 2
+ (BodyLength >= 0x7E && BodyLength <= 0xFFFF ? 2 : 0) + (BodyLength >= 0x7E && BodyLength <= 0xFFFF ? 2 : 0)
+ (BodyLength > 0xFFFF ? 4 : 0) + (BodyLength > 0xFFFF ? 8 : 0)
+ (IsMasked ? 4 : 0); + (IsMasked ? 4 : 0);
return (_HeaderLength = length); return (_HeaderLength = length);
@ -99,7 +99,7 @@ namespace Kneesocks {
return returnValue; return returnValue;
} }
public static int HeaderSizeFromBytes(byte[] raw) { public static int HeaderLengthFromBytes(byte[] raw) {
if(raw.Length < 2) if(raw.Length < 2)
throw new FormatException("Need first two bytes to analyze"); throw new FormatException("Need first two bytes to analyze");
@ -107,7 +107,7 @@ namespace Kneesocks {
return 2 return 2
+ ((raw[1] & 0x80) != 0 ? 4: 0) + ((raw[1] & 0x80) != 0 ? 4: 0)
+ (lengthByte == 0x7E ? 2 : 0) + (lengthByte == 0x7E ? 2 : 0)
+ (lengthByte == 0x7F ? 4 : 0); + (lengthByte == 0x7F ? 8 : 0);
} }
public static Frame HeaderFromBytes(byte[] raw) { public static Frame HeaderFromBytes(byte[] raw) {
@ -131,12 +131,12 @@ namespace Kneesocks {
? 1 ? 1
: (bodyLength == 0x7E ? 3 : 9); : (bodyLength == 0x7E ? 3 : 9);
if(raw.Length < headerOffset + 1) if(raw.Length < headerOffset + 1 + (returnFrame.IsMasked ? 4 : 0))
throw new FormatException("Websocket frame is smaller than expected header size"); throw new FormatException("Websocket frame is smaller than expected header size");
bodyLength = bodyLength < 0x7E ? 0 : bodyLength; if(bodyLength >= 0x7E)
for(var i = headerOffset - 1; i > 0; --i) bodyLength = bodyLength == 0x7E ? raw.Subset(2, 2).UnpackUInt16()
bodyLength |= (ulong)raw[2 + i] << (8 * (headerOffset - 1 - i)); : raw.Subset(2, 8).UnpackUInt64();
if(bodyLength > Int32.MaxValue) if(bodyLength > Int32.MaxValue)
throw new FormatException("Frame is too large to interpret"); throw new FormatException("Frame is too large to interpret");
@ -153,7 +153,7 @@ namespace Kneesocks {
var returnFrame = HeaderFromBytes(raw); var returnFrame = HeaderFromBytes(raw);
uint expectedFrameLength = (uint)returnFrame.BodyLength + (uint)returnFrame.HeaderLength; uint expectedFrameLength = (uint)returnFrame.BodyLength + (uint)returnFrame.HeaderLength;
if(expectedFrameLength < (uint)raw.Length) if((uint)raw.Length < expectedFrameLength)
throw new FormatException("Raw frame length ("+ (uint)raw.Length + ") is less than described size ("+ expectedFrameLength + ")"); throw new FormatException("Raw frame length ("+ (uint)raw.Length + ") is less than described size ("+ expectedFrameLength + ")");
returnFrame.Content = new byte[returnFrame.BodyLength]; returnFrame.Content = new byte[returnFrame.BodyLength];

16
server/Libraries/Kneesocks/ReadBuffer.cs
View file

@ -7,6 +7,8 @@ using System.Threading.Tasks;
namespace Kneesocks { namespace Kneesocks {
class ReadBuffer { class ReadBuffer {
private const int BufferSize = 1024;
private List<byte> Buffer; private List<byte> Buffer;
private int ExpectedLength; private int ExpectedLength;
private string ExpectedString; private string ExpectedString;
@ -52,21 +54,21 @@ namespace Kneesocks {
if(!IsReading) if(!IsReading)
return null; return null;
if(!Source.CanRead)
return null;
byte[] returnValue; byte[] returnValue;
if((returnValue = CheckBuffer()) != null) if((returnValue = CheckBuffer()) != null)
return returnValue; return returnValue;
var buffer = new byte[1024]; var buffer = new byte[BufferSize];
while(Source.DataAvailable) { while(Source.DataAvailable) {
var readAmount = ExpectedString == null var readAmount = ExpectedString == null
? Math.Min(1024, ExpectedLength - Buffer.Count) ? Math.Min(BufferSize, ExpectedLength - Buffer.Count)
: 1024; : BufferSize;
var bytesRead = Source.Read(buffer, 0, readAmount); var bytesRead = Source.Read(buffer, 0, readAmount);
if(bytesRead == readAmount) Buffer.AddRange(bytesRead == BufferSize ? buffer : buffer.Take(bytesRead));
Buffer.AddRange(buffer);
else
Buffer.AddRange(buffer.Take(readAmount));
if((returnValue = CheckBuffer()) != null) if((returnValue = CheckBuffer()) != null)
return returnValue; return returnValue;

7
server/Libraries/Kneesocks/Stack.cs
View file

@ -11,7 +11,6 @@ namespace Kneesocks {
private List<Connection> Clients = new List<Connection>(); private List<Connection> Clients = new List<Connection>();
private bool RunWithNoClients = false; private bool RunWithNoClients = false;
private bool Running = true; private bool Running = true;
private bool _finished = false;
public Stack(Pool<T> poolRef, Connection initialConnection = null) { public Stack(Pool<T> poolRef, Connection initialConnection = null) {
PoolRef = poolRef; PoolRef = poolRef;
@ -48,7 +47,13 @@ namespace Kneesocks {
while(Running && (Count > 0 || RunWithNoClients)) { while(Running && (Count > 0 || RunWithNoClients)) {
for(var i = Count - 1; i >= 0 && Running; --i) { for(var i = Count - 1; i >= 0 && Running; --i) {
var client = Clients[i]; var client = Clients[i];
if(!client.Disconnected)
client.Parse(); client.Parse();
else {
lock(Clients) {
Clients.RemoveAt(i);
}
}
} }
} }