/** 读出一个指定长度的utf字符串 */
public string readUTF()
{
int len = readLength() - 1;
if (len < 0)
{
return(null);
}
if (len == 0)
{
return(EMPTY_STRING);
}
if (len > MAX_DATA_LENGTH)
{
throw new Exception(this
+ " readUTF, data overflow:" + len);
}
char[] temp = new char[len];
int n = ByteKit.readUTF(array, position, len, temp);
if (n < 0)
{
throw new Exception(this
+ " readUTF, format err, len=" + len);
}
position += len;
return(new String(temp, 0, n));
}
public int readLength()
{
byte[] b1 = new byte[1];
socket.Receive(b1, SocketFlags.None);
int n = b1 [0];
if (n >= 0x80)
{
return(n - 0x80);
}
else if (n >= 0x40)
{
b1 = new byte[1];
socket.Receive(b1, SocketFlags.None);
return((n << 8) + ByteKit.readUnsignedByte(b1, 0) - 0x4000);
}
else if (n >= 0x20)
{
b1 = new byte[3];
return((n << 24) + (ByteKit.readUnsignedByte(b1, 0) << 16)
+ ByteKit.readUnsignedByte(b1, 1) - 0x20000000);
}
else
{
throw new Exception(this.GetType() + ", readLength, invalid number:" + n + ", " + this);
}
}
/** 根据头信息创建字节缓存对象 */
protected virtual ByteBuffer createDataByHead(ByteBuffer body)
{
int len = body.length();
ByteBuffer data = new ByteBuffer();
ByteKit.writeLength(data, len);
data.writeBytes(body.toArray());
return(data);
}
/** 解析单次消息内容 */
public void parseMessage(ByteBuffer socketbuffer)
{
int versionInfo = socketbuffer.readByte();
bool encryption = ((versionInfo & 8) != 0);
bool crc = ((versionInfo & 4) != 0);
bool compress = ((versionInfo & 2) != 0);
//if(!MiniConnectManager.IsRobot)
//MonoBehaviour.print ("length=>" + length + " versionInfo=>" + versionInfo + " encryption=>" + encryption + " crc=>" + crc + " compress=>" + compress);
ByteBuffer data = new ByteBuffer(length - 1);
data.write(socketbuffer.toArray(), 0, length - 1);
//为下次数据处理做判断
if (socket.Available >= 2)
{
byte[] b = new byte[2];
socket.Receive(b, SocketFlags.None);
length = ByteKit.readUnsignedShort(b, 0);
}
else
{
length = 0;
}
if (encryption)
{
data = encryptionCode(data, _receiveChallengeCode);
}
if (compress)
{
byte[] bb = ZIPUtil.Decompress(data.toArray());
data = new ByteBuffer(bb);
}
if (crc)
{
int crcValue = data.readInt();
ByteBuffer data1 = new ByteBuffer();
data1.writeBytes(data.toArray(), 0, (data.top - data.position));
int nowCrc = (int)ChecksumUtil.Adler32(data1);
if (crcValue != nowCrc)
{
MonoBehaviour.print("crc is err,crcValue" + crcValue + ",nowCrc=" + nowCrc);
return;
}
}
ErlKVMessage message = new ErlKVMessage(null);
message.bytesRead(data);
if (_portHandler != null) // _portHandler可以是DataAccess或者ErlTransmitPort，如果要保存funcUid就要设置为DataAccess
{
_portHandler.erlReceive(this, message);
}
}
public object bytesReadValue(ByteBuffer data)
{
uint len = (uint)data.readUnsignedShort();
uint p = (uint)data.position;
uint tag = (uint)data.readUnsignedByte();
//if(!MiniConnectManager.IsRobot)
//MonoBehaviour.print ("bytesReadValue len=" + len + " p=" + p + " tag=" + tag);
if (tag == VER)
{
// 复杂数据结构 (二进制数据)
return(ByteKit.complexAnalyse(data));
}
else
{
// 简单数据结构 byte=97 int=98 binary=109(暂时用不到) string=107(非二进制数据内的字符串)
data.position = (int)p;
return(ByteKit.simpleAnalyse(data));
}
}
override public void bytesRead(ByteBuffer data)
{
base.bytesRead(data);
if (isTag(_tag))
{
int length = data.readInt();
_value = new ErlType[length];
ErlType erl;
for (int i = 0; i < length; i++)
{
// length==3 ErlList的循环
erl = ByteKit.natureAnalyse(data);
if (!(erl is ErlByte || erl is ErlInt))
{
isString = false;
}
_value [i] = erl;
}
data.readUnsignedByte(); // 读取列表结尾的空列表的tag标记
}
}
/** 写入一个utf字符串中指定的部分，可以为null */
public void writeUTF(string str, int index, int length)
{
if (str == null)
{
writeLength(0);
return;
}
int len = ByteKit.getUTFLength(str, index, length);
writeLength(len + 1);
if (len <= 0)
{
return;
}
int pos = top;
if (array.Length < pos + len)
{
setCapacity(pos + len);
}
ByteKit.writeUTF(str, index, length, array, pos);
top += len;
}
override public void bytesRead(ByteBuffer data)
{
base.bytesRead(data);
if (_tag == TAG [0]) // 小元组
{
int length = data.readUnsignedByte();
//MonoBase.print ("small array bytesRead length=" + length);
_value = new ErlType[length];
for (int i = 0; i < length; i++)
{
_value [i] = ByteKit.natureAnalyse(data);
}
}
else if (_tag == TAG [1]) // 大元组
{
int length = data.readInt();
//MonoBase.print ("big array bytesRead length=" + length);
_value = new ErlType[length];
for (int i = 0; i < length; i++)
{
_value [i] = ByteKit.natureAnalyse(data);
}
}
}
/** 连接的消息接收方法 */
public override void receive()
{
if (GameManager.Instance.disconnetTest)
{
return;
}
if (!socket.Connected)
{
return;
}
ActiveTime = TimeKit.getMillisTime();
if (socket.Available > 0)
{
if (!_isConnectReady)
{
//设置 _isConnectReady=true connect pk receive
//抛掉前两位
byte[] b1 = new byte[1];
socket.Receive(b1, SocketFlags.None);
byte[] b2 = new byte[1];
socket.Receive(b2, SocketFlags.None);
byte[] b3 = new byte[4];
socket.Receive(b3, SocketFlags.None);
Array.Reverse(b3);
int i = BitConverter.ToInt32(b3, 0);
byte[] b4 = new byte[4];
socket.Receive(b4, SocketFlags.None);
Array.Reverse(b4);
int ii = BitConverter.ToInt32(b4, 0);
_sendChallengeCode = getPK(i);
_receiveChallengeCode = getPK(ii);
_isConnectReady = true;
if (this.CallBack != null)
{
this.CallBack();
}
}
else
{
if (length <= 0)
{
if (socket.Available < 2)
{
return;
}
// length = data.readUnsignedShort ();
byte[] b = new byte[2];
socket.Receive(b, SocketFlags.None);
length = ByteKit.readUnsignedShort(b, 0);
//length = readLength ();
}
if (length > 0 && socket.Available >= length)
{
ByteBuffer data = new ByteBuffer(length);
data.setTop(length);
socket.Receive(data.getArray(), SocketFlags.None);
parseMessage(data);
}
}
}
}
