public DataFrame(string content)
{
_content = Encoding.UTF8.GetBytes(content);
int length = _content.Length;
if (length < 126)
{
_extend = new byte[0];
_header = new DataFrameHeader(true, false, false, false, 1, false, length);
}
else if (length < 65536)
{
_extend = new byte[2];
_header = new DataFrameHeader(true, false, false, false, 1, false, 126);
_extend[0] = (byte)(length / 256);
_extend[1] = (byte)(length % 256);
}
else
{
_extend = new byte[8];
_header = new DataFrameHeader(true, false, false, false, 1, false, 127);
int left = length;
int unit = 256;
for (int i = 7; i > 1; i--)
{
_extend[i] = (byte)(left % unit);
left = left / unit;
if (left == 0)
break;
}
}
}
//RFC6455 5.2基本帧协议
public DataFrame(byte[] buffer)
{
//帧头
_header = new DataFrameHeader(buffer);
//扩展长度：if payload len==126/127) Extended payload length。第3、4字节
if (_header.Length == 126)
{
_extend = new byte[2];
Buffer.BlockCopy(buffer, 2, _extend, 0, 2);
}
else if (_header.Length == 127)
{
_extend = new byte[8];
Buffer.BlockCopy(buffer, 2, _extend, 0, 8);
}
//是否有掩码
if (_header.HasMask)
{
_mask = new byte[4];
Buffer.BlockCopy(buffer, _extend.Length + 2, _mask, 0, 4);
}
//消息体。
//负载长度=“扩展数据”长度+“应用数据”长度
//“应用数据”的长度 = 负载长度减去“扩展数据”长度。
if (_extend.Length == 0)
{
_content = new byte[_header.Length];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, _content.Length);
}
else if (_extend.Length == 2)
{
int contentLength = (int)_extend[0] * 256 + (int)_extend[1];
_content = new byte[contentLength];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, contentLength > 1024 * 100 ? 1024 * 100 : contentLength);
}
else
{
long len = 0;
int n = 1;
for (int i = 7; i >= 0; i--)
{
len += (int)_extend[i] * n;
n *= 256;
}
_content = new byte[len];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, _content.Length);
}
if (_header.HasMask)
{
_content = GetDecodedPayloadData(_content, _mask);
}
}
public DataFrame(byte[] buffer)
{
//帧头
_header = new DataFrameHeader(buffer);
//扩展长度
if (_header.Length == 126)
{
_extend = new byte[2];
Buffer.BlockCopy(buffer, 2, _extend, 0, 2);
}
else if (_header.Length == 127)
{
_extend = new byte[8];
Buffer.BlockCopy(buffer, 2, _extend, 0, 8);
}
//是否有掩码
if (_header.HasMask)
{
_mask = new byte[4];
Buffer.BlockCopy(buffer, _extend.Length + 2, _mask, 0, 4);
}
//消息体
if (_extend.Length == 0)
{
_content = new byte[_header.Length];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, _content.Length);
}
else if (_extend.Length == 2)
{
int contentLength = (int)_extend[0] * 256 + (int)_extend[1];
_content = new byte[contentLength];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, contentLength > 1024 * 100 ? 1024 * 100 : contentLength);
}
else
{
long len = 0;
int n = 1;
for (int i = 7; i >= 0; i--)
{
len += (int)_extend[i] * n;
n *= 256;
}
_content = new byte[len];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, _content.Length);
}
if (_header.HasMask)
{
_content = Mask(_content, _mask);
}
}
public DataFrame(byte[] buffer)
{
//帧头
_header = new DataFrameHeader(buffer);
//扩展长度
if (_header.Length == 126)
{
_extend = new byte[2];
Buffer.BlockCopy(buffer, 2, _extend, 0, 2);
}
else if (_header.Length == 127)
{
_extend = new byte[8];
Buffer.BlockCopy(buffer, 2, _extend, 0, 8);
}
//是否有掩码
if (_header.HasMask)
{
_mask = new byte[4];
Buffer.BlockCopy(buffer, _extend.Length + 2, _mask, 0, 4);
}
//消息体
if (_extend.Length == 0)
{
_content = new byte[_header.Length];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2 , _content, 0, _content.Length);
}
else if (_extend.Length == 2)
{
int contentLength = (int)_extend[0] * 256 + (int)_extend[1];
_content = new byte[contentLength];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, contentLength > 1024 * 100 ? 1024 * 100 : contentLength);
}
else
{
long len = 0;
int n = 1;
for (int i = 7; i >= 0; i--)
{
len += (int)_extend[i] * n;
n *= 256;
}
_content = new byte[len];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, _content.Length);
}
if (_header.HasMask) _content = Mask(_content, _mask);
}
public DataFrame(string content)
{
_content = Encoding.UTF8.GetBytes(content);
int length = _content.Length;
if (length < 126)
{
_extend = new byte[0];
_header = new DataFrameHeader(true, false, false, false, 1, false, length);
}
else if (length < 65536)
{
_extend = new byte[2];
_header = new DataFrameHeader(true, false, false, false, 1, false, 126);
_extend[0] = (byte)(length / 256);
_extend[1] = (byte)(length % 256);
}
else
{
_extend = new byte[8];
_header = new DataFrameHeader(true, false, false, false, 1, false, 127);
int left = length;
int unit = 256;
for (int i = 7; i > 1; i--)
{
_extend[i] = (byte)(left % unit);
left = left / unit;
if (left == 0)
{
break;
}
}
}
}
public void setByte(byte[] contents)
{
_content = contents;
int length = _content.Length;
if (length < 126)
{
_extend = new byte[0];
_header = new DataFrameHeader(true, false, false, false, 2, false, length);
}
else if (length < 65536)
{
_extend = new byte[2];
_header = new DataFrameHeader(true, false, false, false, 2, false, 126);
_extend[0] = (byte)(length / 256);
_extend[1] = (byte)(length % 256);
}
else
{
_extend = new byte[8];
_header = new DataFrameHeader(true, false, false, false, 2, false, 127);
int left = length;
int unit = 256;
for (int i = 7; i > 1; i--)
{
_extend[i] = (byte)(left % unit);
left = left / unit;
if (left == 0)
{
break;
}
}
}
}
private void packageData(object obj)
{
NETcollection netc = obj as NETcollection;
try {
// Array.Copy(netc.Datalist, ListData, count);
//while (true)
//{
int count = netc.Datalist.Count;
List <Byte[]> ListData = netc.Datalist;
int i = 0;
if (netc.Datalist.Count > 0)
{
WebSocketServer.DataFrameHeader dfh = null;
int bytesRead = ListData[i] != null ? ListData[i].Length : 0;
if (bytesRead == 0)
{
if (ListData.Count > 0)
{
ListData.RemoveAt(0);
}
netc.Ispage = false; return;
}
;
byte[] tempbtyes = new byte[bytesRead];
Array.Copy(ListData[i], tempbtyes, tempbtyes.Length);
byte[] masks = new byte[4];
int lens = 0;
int paylen = 0;
byte[] tempbtye = null;
try
{
DataFrame df = new DataFrame();
// AnalyticData(tempbtyes, bytesRead, ref masks, ref lens, ref paylen);
tempbtye = df.GetData(tempbtyes, ref masks, ref lens, ref paylen, ref dfh);
if (dfh.OpCode != 2)
{
ListData.RemoveAt(i);
netc.Ispage = false; return;
}
}
catch {
if (paylen > bytesRead)
{
ListData.RemoveAt(i);
byte[] temps = new byte[tempbtyes.Length];
Array.Copy(tempbtyes, temps, temps.Length);
tempbtyes = new byte[temps.Length + ListData[i].Length];
Array.Copy(temps, tempbtyes, temps.Length);
Array.Copy(ListData[i], 0, tempbtyes, temps.Length, ListData[i].Length);
ListData[i] = tempbtyes;
}
else
{
ListData.RemoveAt(i);
}
netc.Ispage = false; return;
}
if (tempbtye == null)
{
netc.Ispage = false; return;
}
labe881:
if (tempbtye.Length > 0)
{
#region MyRegion
String temp = "";
int a = tempbtye[1];
if (bytesRead > 2 + a)
{
int len = 0;
if (DT == DataType.bytes)
{
byte[] bb = new byte[a];
Array.Copy(tempbtye, 2, bb, 0, a);
len = ConvertToInt(bb);
}
else
{
temp = System.Text.Encoding.UTF8.GetString(tempbtye, 2, a);
try
{
len = int.Parse(temp);
}
catch
{
if (bytesRead > tempbtye.Length + lens)
{
int aa = bytesRead - (tempbtye.Length + lens);
byte[] temptt = new byte[aa];
Array.Copy(tempbtyes, (tempbtye.Length + lens), temptt, 0, temptt.Length);
ListData[i] = temptt;
netc.Ispage = false; return;
}
}
}
if (tempbtye.Length == (len + 2 + a))
{
if (bytesRead > tempbtye.Length + lens)
{
int aa = bytesRead - (tempbtye.Length + lens);
byte[] temptt = new byte[aa];
Array.Copy(tempbtyes, (tempbtye.Length + lens), temptt, 0, temptt.Length);
ListData[i] = temptt;
}
else if (bytesRead < tempbtye.Length + lens)
{
}
else
{
ListData.RemoveAt(i);
}
if (DT == DataType.json)
{
temp = System.Text.Encoding.UTF8.GetString(tempbtye, 2 + a, len);
}
}
else
{
len = tempbtye.Length - 2 - a;
if (DT == DataType.json)
{
temp = System.Text.Encoding.UTF8.GetString(tempbtye, 2 + a, len);
}
if (bytesRead > tempbtye.Length + lens)
{
int aa = bytesRead - (tempbtye.Length + lens);
byte[] temptt = new byte[aa];
Array.Copy(tempbtyes, (tempbtye.Length + lens), temptt, 0, temptt.Length);
ListData[i] = temptt;
temp = combine(temp, temptt, ListData);
}
else
{
ListData.RemoveAt(i);
while (!(ListData.Count > 0))
{
System.Threading.Thread.Sleep(100);
}
temp = combine(temp, ListData[i], ListData);
}
// netc.Ispage = false; return;
}
try
{
if (DT == DataType.json)
{
modelevent me = new modelevent();
me.Command = tempbtye[0];
me.Data = temp;
me.Soc = netc.Soc;
me.Masks = masks;
//System.Threading.Thread t = new Thread(new ParameterizedThreadStart(receiveeventto));
//t.Start(me);
//receiveeventto(me);
if (receiveevent != null)
{
System.Threading.ThreadPool.QueueUserWorkItem(new System.Threading.WaitCallback(receiveeventto), me);
}
//if (receiveevent != null)
// receiveevent(me.Command, me.Data, me.Soc);
}
else if (DT == DataType.bytes)
{
byte[] bs = new byte[len - (2 + a)];
Array.Copy(tempbtye, 2 + a, bs, 0, bs.Length);
modelevent me = new modelevent();
me.Command = tempbtye[0];
me.Data = "";
me.Databit = bs;
me.Soc = netc.Soc;
if (receiveeventbit != null)
{
System.Threading.ThreadPool.QueueUserWorkItem(new System.Threading.WaitCallback(receiveeventtobit), me);
}
}
netc.Ispage = false; return;
}
catch (Exception e)
{
netc.Ispage = false; return;
}
}
#endregion
}
}
// }
}
catch (Exception ex)
{
if (netc.Datalist.Count > 0)
{
netc.Datalist.RemoveAt(0);
}
netc.Ispage = false; return;
}
}
String combine(string temp, byte[] tempbtyes, List <byte[]> ListData)
{
WebSocketServer.DataFrameHeader dfh = null;
// Array.Copy(ListData[0], tempbtyes, tempbtyes.Length);
byte[] masks = new byte[4];
int lens = 0;
int paylen = 0;
byte[] tempbtye = null;
DataFrame df = new DataFrame();
// AnalyticData(tempbtyes, bytesRead, ref masks, ref lens, ref paylen);
try
{
tempbtye = df.GetData(tempbtyes, ref masks, ref lens, ref paylen, ref dfh);
}
catch {
if (paylen > tempbtyes.Length)
{
ListData.RemoveAt(0);
byte[] temps = new byte[tempbtyes.Length];
Array.Copy(tempbtyes, temps, temps.Length);
tempbtyes = new byte[temps.Length + ListData[0].Length];
Array.Copy(temps, tempbtyes, temps.Length);
Array.Copy(ListData[0], 0, tempbtyes, temps.Length, ListData[0].Length);
ListData[0] = tempbtyes;
temp = combine(temp, ListData[0], ListData);
return(temp);
}
}
try
{
temp += System.Text.Encoding.UTF8.GetString(tempbtye);
if (ListData[0].Length > tempbtye.Length + lens)
{
int aa = ListData[0].Length - (tempbtye.Length + lens);
byte[] temptt = new byte[aa];
Array.Copy(tempbtyes, (tempbtye.Length + lens), temptt, 0, temptt.Length);
ListData[0] = temptt;
}
else
{
ListData.RemoveAt(0);
}
if (!dfh.FIN)
{
while (!(ListData.Count > 0))
{
System.Threading.Thread.Sleep(100);
}
temp = combine(temp, ListData[0], ListData);
}
}
catch (Exception e)
{
}
return(temp);
}
public byte[] GetData(byte[] buffer, ref byte[] masks, ref int lens, ref int payload_len, ref DataFrameHeader dfh)
{
lens = 0;
//帧头
_header = new DataFrameHeader(buffer);
dfh = _header;
payload_len = 0;
if (_header.OpCode != 2)
{
}
//扩展长度
if (_header.Length == 126)
{
lens = 8;
_extend = new byte[2];
Buffer.BlockCopy(buffer, 2, _extend, 0, 2);
}
else if (_header.Length == 127)
{
lens = 14;
_extend = new byte[8];
Buffer.BlockCopy(buffer, 2, _extend, 0, 8);
}
//是否有掩码
if (_header.HasMask)
{
_mask = new byte[4];
Buffer.BlockCopy(buffer, _extend.Length + 2, _mask, 0, 4);
}
//消息体
if (_extend.Length == 0)
{
payload_len = _content.Length;
_content = new byte[_header.Length];
lens = _extend.Length + _mask.Length + 2;
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, _content.Length);
}
else if (_extend.Length == 2)
{
int contentLength = (int)_extend[0] * 256 + (int)_extend[1];
payload_len = contentLength;
lens = _extend.Length + _mask.Length + 2;
_content = new byte[contentLength];
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, contentLength > 1024 * 100 ? 1024 * 100 : contentLength);
}
else
{
long len = 0;
int n = 1;
for (int i = 7; i >= 0; i--)
{
len += (int)_extend[i] * n;
n *= 256;
}
payload_len = (int)len;
_content = new byte[len];
lens = _extend.Length + _mask.Length + 2;
Buffer.BlockCopy(buffer, _extend.Length + _mask.Length + 2, _content, 0, _content.Length);
}
if (_header.HasMask)
{
_content = Mask(_content, _mask);
}
return(_content);
}
