public virtual void WriteCommand(INetCommand command, INetSession session)
{
Byte[] rdata = null;
if (command != null)
{
rdata = command.CommandName;
if (rdata != null && rdata.Length > 0)
{
session.WriteBytes(rdata, 0, rdata.Length);
WriteCommandNameEndBytes(command, session);
}
if (command.Parameters != null)
{
foreach (Byte[] pData in command.Parameters)
{
if (pData != null && pData.Length > 0)
{
session.WriteBytes(pData, 0, pData.Length);
}
WriteCommandParameterSplitBytes(command, session);
}
}
}
WriteFrameEndBytes(command, session);
}
public override void WriteCommand(INetCommand command, INetSession session)
{
if (command is HandshakeResponseCommand)
{
HandshakeResponseCommand response = command as HandshakeResponseCommand;
Byte[] responseData = response.GetResponseData(session);
session.WriteBytes(responseData, 0, responseData.Length);
}
else if (command is FrameCommandBase)
{
FrameStreamWriter writer = new FrameStreamWriter(command as FrameCommandBase);
writer.Write(session);
}
}
protected override void WriteFrameEndBytes(INetCommand command, INetSession session)
{
session.WriteBytes(splitCommandBytes, 0, splitCommandBytes.Length);
}
protected override void WriteCommandParameterSplitBytes(INetCommand command, INetSession session)
{
session.WriteBytes(new byte[] { 0xff }, 0, 1);
}
protected override void WriteCommandNameEndBytes(INetCommand command, INetSession session)
{
session.WriteBytes(new byte[] { 0xff }, 0, 1);
}
public bool Write(INetSession session)
{
//第一字节
MemoryStream stream = new MemoryStream();
BinaryWriter bw = new BinaryWriter(stream);
Byte fin = 0;
fin = (byte)(fin | 0x80);
Byte opcode = (Byte)command.Opcode;
opcode = (byte)(opcode & 0x7f);
fin = (byte)(fin | opcode);
bw.Write(fin);
int frameMask = 0;
if (isMask)
{
frameMask = frameMask | 0x80;
}
Byte[] responseData = command.GetResponseData(session);
long length = 0;
if (responseData != null)
{
length = responseData.Length;
}
if (length >= 0 && length <= 0x7d)
{
frameMask = frameMask | (byte)length;
bw.Write((byte)frameMask);
}
else if (length > 0x7d && length <= 0xffff)
{
frameMask = frameMask | 0x7e;
bw.Write((byte)frameMask);
bw.Write(BitConverter.GetBytes((UInt16)length).Reverse().ToArray());
}
else
{
frameMask = frameMask | 0x7f;
bw.Write((byte)frameMask);
bw.Write(BitConverter.GetBytes((UInt64)length).Reverse().ToArray());
}
if (isMask)
{
//四个随机字节
Random r = new Random();
Byte[] maskingBytes = new Byte[4];
r.NextBytes(maskingBytes);
bw.Write(maskingBytes);
if (length > 0)
{
responseData.EecodeMask(maskingBytes, 0, responseData.Length);
}
}
if (length > 0)
{
bw.Write(responseData);
}
stream.Flush();
stream.Position = 0;
BinaryReader br = new BinaryReader(stream);
Byte[] frameData = br.ReadBytes((int)stream.Length);
session.WriteBytes(frameData, 0, frameData.Length);
bw.Close();
return(true);
}