private static void Static_PacketResponseDataStream(NetworkStream writer, WebMessageData data)
{
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
#if ADDMSGID
//消息组包协议（我们规定消息总长度是消息编号1位+数组长度）
var dataLen = data.Data.Length + 1;
#else
var dataLen = data.Data.Length;
#endif
if (dataLen == 0)
{
return;
}
byte b = 0x80;
b = (byte)(b | ((byte)data.OpCode & 0xF));
//写入opcode
writer.WriteByte(b);
if (dataLen <= 125)
{
writer.WriteByte((byte)(dataLen & 0x7F));
}
else if (dataLen < ushort.MaxValue)
{
writer.WriteByte(126 & 0x7F);
BigEndianPrimitiveTypeSerializer.Instance.WriteValue(writer, (ushort)dataLen);
}
else
{
writer.WriteByte(127 & 0x7F);
BigEndianPrimitiveTypeSerializer.Instance.WriteValue(writer, (uint)dataLen);
}
#if ADDMSGID
//写入消息编号
writer.WriteByte(data.MessageId);
//写入消息数据
writer.Write(data.Data, 0, dataLen - 1);
#else
//写入消息数据
writer.Write(data.Data, 0, dataLen);
#endif
}
static byte[] Static_PacketResponseData(WebMessageData data)
{
//消息组包协议
var dataLen = data.Data.Length;
switch (data.OpCode)
{
case WebSocketOpcode.Text:
case WebSocketOpcode.Binary:
if (dataLen == 0)
{
return(new byte[0]);
}
break;
}
using (var stream = new NetworkStream())
{
Static_PacketResponseDataStream(stream, data);
return(stream.ToArray());
}
}
public void SendData(WebMessageData msg)
{
var send_data = PacketResponseData(msg);
this.webSocketSession?.SendDataToClient(send_data);
}
protected override byte[] PacketResponseData(WebMessageData data)
{
return(Static_PacketResponseData(data));
}
protected virtual byte[] PacketResponseData(WebMessageData webMessageData)
{
return(new byte[0]);
}
