//------------HandleSignal----------
protected void HandleSignal(byte[] rawSignal, uint source = 0)
{
GNIData data = new GNIData();
System.IO.MemoryStream ms = new System.IO.MemoryStream(rawSignal);
//Read types
int keyTypeByte = ReadVariableLengthInt(ms, 1);
int valueTypeByte = ReadVariableLengthInt(ms, 1);
//Enter types
switch (keyTypeByte)
{
case 0: data.keyType = GNIDataType.None; break;
case 1: data.keyType = GNIDataType.Short; break;
case 2: data.keyType = GNIDataType.String; break;
case 3: data.keyType = GNIDataType.ByteArray; break;
}
switch (valueTypeByte)
{
case 0: data.valueType = GNIDataType.None; break;
case 1: data.valueType = GNIDataType.Short; break;
case 2: data.valueType = GNIDataType.String; break;
case 3: data.valueType = GNIDataType.ByteArray; break;
}
int keyLength = ReadVariableLengthInt(ms, GNIGeneral.GetLengthLength(data.keyType));
int valueLength = ReadVariableLengthInt(ms, GNIGeneral.GetLengthLength(data.valueType));
//If string, read encoding byte
int encoding = 0;
if (data.keyType == GNIDataType.String || data.valueType == GNIDataType.String)
{
encoding = ReadVariableLengthInt(ms, 1);
}
//Enter encoding
switch (encoding)
{
case 0: data.encoding = GNIEncoding.ASCII; break;
}
//Read and enter key
switch (data.keyType)
{
case GNIDataType.None: data.EnterKeyNull(); break;
case GNIDataType.Short: data.EnterKeyInt(ReadShort(ms)); break;
case GNIDataType.String: data.EnterKeyString(ReadString(ms, keyLength, data.encoding)); break;
case GNIDataType.ByteArray: byte[] buffer = new byte[keyLength]; ms.Read(buffer, 0, keyLength); data.EnterKeyByteArray(buffer); break;
}
//Read and enter value
switch (data.valueType)
{
case GNIDataType.None: data.EnterValueNull(); break;
case GNIDataType.Short: data.EnterValueInt(ReadShort(ms)); break;
case GNIDataType.String: data.EnterValueString(ReadString(ms, valueLength, data.encoding)); break;
case GNIDataType.ByteArray: byte[] buffer = new byte[valueLength]; ms.Read(buffer, 0, valueLength); data.EnterValueByteArray(buffer); break;
}
OnDataReceived(data, source);
}
public void SendSignal(TcpClient recipient, GNIData data)
{
byte keyType = 0;
switch (data.keyType)
{
case GNIDataType.Short: keyType = 1; break;
case GNIDataType.String: keyType = 2; break;
case GNIDataType.ByteArray: keyType = 3; break;
}
byte valueType = 0;
switch (data.valueType)
{
case GNIDataType.Short: valueType = 1; break;
case GNIDataType.String: valueType = 2; break;
case GNIDataType.ByteArray: valueType = 3; break;
}
byte encoding = 0;
if (data.valueType == GNIDataType.String)
{
switch (data.encoding)
{
case GNIEncoding.ASCII: encoding = 0; break;
}
}
byte[] keyBytes = new byte[0];
switch (data.keyType)
{
case GNIDataType.Short: keyBytes = BitConverter.GetBytes(Convert.ToInt16(data.keyInt)); break;
case GNIDataType.String:
switch (data.encoding)
{
case GNIEncoding.ASCII: keyBytes = Encoding.ASCII.GetBytes(data.keyString); break;
}
break;
case GNIDataType.ByteArray:
keyBytes = data.keyBytes;
break;
}
byte[] valueBytes = new byte[0];
switch (data.valueType)
{
case GNIDataType.Short: valueBytes = BitConverter.GetBytes(Convert.ToInt16(data.valueInt)); break;
case GNIDataType.String:
switch (data.encoding)
{
case GNIEncoding.ASCII: valueBytes = Encoding.ASCII.GetBytes(data.valueString); break;
}
break;
case GNIDataType.ByteArray:
valueBytes = data.valueBytes;
break;
}
int encodingAddition = 0;
if (data.keyType == GNIDataType.String || data.valueType == GNIDataType.String)
{
encodingAddition = 1;
}
int keyLength = GNIGeneral.GetLengthLength(data.keyType);
int valueLength = GNIGeneral.GetLengthLength(data.valueType);
byte[] toSend = new byte[
4 //Data length
+ 1 //Key type
+ 1 //Value type
+ keyLength //Key length
+ valueLength //Value length
+ encodingAddition
+ keyBytes.Length
+ valueBytes.Length
];
int currentposition = 0;
//Write data length
byte[] buffer = BitConverter.GetBytes(toSend.Length - 4);
for (int i = 0; i < 4; i++)
{
toSend[currentposition] = buffer[i]; currentposition++;
}
//Write key type
toSend[currentposition] = keyType; currentposition++;
//Write value type
toSend[currentposition] = valueType; currentposition++;
//Write key length
if (keyLength == 4)
{
buffer = BitConverter.GetBytes(Convert.ToInt32(keyBytes.Length));
}
else
{
buffer = BitConverter.GetBytes(Convert.ToInt16(keyBytes.Length));
}
for (int i = 0; i < keyLength; i++)
{
toSend[currentposition] = buffer[i]; currentposition++;
}
//Write value length
if (valueLength == 4)
{
buffer = BitConverter.GetBytes(Convert.ToInt32(valueBytes.Length));
}
else
{
buffer = BitConverter.GetBytes(Convert.ToInt16(valueBytes.Length));
}
for (int i = 0; i < valueLength; i++)
{
toSend[currentposition] = buffer[i]; currentposition++;
}
//Write encoding if applicable
if (data.keyType == GNIDataType.String || data.valueType == GNIDataType.String)
{
toSend[currentposition] = encoding; currentposition++;
}
//Write key
for (int i = 0; i < keyBytes.Length; i++)
{
toSend[currentposition] = keyBytes[i]; currentposition++;
}
//Write value
for (int i = 0; i < valueBytes.Length; i++)
{
toSend[currentposition] = valueBytes[i]; currentposition++;
}
//Send the data!
if (recipient.Connected)
{
try
{
recipient.GetStream().Write(toSend, 0, toSend.Length);
}
catch (Exception) { LoseConnection(recipient); }
}
else
{
LoseConnection(recipient);
}
}