/// <summary>
/// 解码消息数据
/// </summary>
/// <param name="data">消息数据</param>
/// <returns>解码后的消息实例</returns>
public static IMsg Parse(byte[] data)
{
if (data == null || data.Length < 8)
{
//throw new Exception("数据为null或长度小于8");
SysLog.WriteError("数据为null或长度小于8");
Console.WriteLine("数据为null或长度小于8");
return(null);
}
MsgType msgType = (MsgType)BitConverter.ToUInt16(data, 2);
uint msgLength = BitConverter.ToUInt32(data, 4);
if (msgLength != (data.Length - 8))
{
//throw new Exception("消息实际长度与声明的长度不一致。");
SysLog.WriteError("消息实际长度与声明的长度不一致");
Console.WriteLine("消息实际长度与声明的长度不一致");
return(null);
}
IMsg msg = Create(msgType);
if (msg == null)
{
//throw new Exception("无法处理的消息类型");
SysLog.WriteError("无法处理的消息类型");
Console.WriteLine("无法处理的消息类型");
return(null);
}
else
{
try
{
msg.Decode(data);
}
catch (Exception ex)
{
SysLog.WriteError(ex.Message);
SysLog.WriteError(ex.InnerException.Message);
//throw new Exception("解码消息数据失败");
SysLog.WriteError("解码消息数据失败");
Console.WriteLine("解码消息数据失败");
return(null);
}
}
return(msg);
}