/// <summary>
/// 解析元数据
/// </summary>
/// <param name="data">元数据</param>
/// <returns>
/// 返回能否解析的一个标示
/// </returns>
public override List <T> Parse <T>(byte[] data)
{
int offset = 0;
int totalLength;
List <T> messages = new List <T>();
try
{
while (offset < data.Length)
{
totalLength = BitConverter.ToInt32(data, offset);
if (totalLength > data.Length)
{
_tracing.Error("#Parse message failed, illegal total length. #length: " + totalLength);
return(messages);
}
byte[] messageData = totalLength == data.Length
? data
: ByteArrayHelper.GetReallyData(data, offset, totalLength);
int protocolId = messageData[5];
int serviceId = messageData[6];
int detailsId = messageData[7];
Type messageType = GetMessageType(protocolId, serviceId, detailsId);
if (messageType == null)
{
_tracing.Error("#Parse message failed, illegal message protocol. #protocol id={0}, service id={1}, detalis id={2}\r\nTarget protocol stack: {3} ", protocolId, serviceId, detailsId, this);
return(messages);
}
offset += messageData.Length;
BaseMessage message;
try
{
//使用智能对象引擎进行解析
message = IntellectObjectEngine.GetObject <BaseMessage>(messageType, messageData);
if (message == null)
{
_tracing.Error("#Parse message failed, parse result = null. #protocol id={0}, service id={1}, detalis id={2}: ", protocolId, serviceId, detailsId);
return(messages);
}
}
catch (System.Exception ex)
{
_tracing.Error(ex, "#Parse message failed.");
continue;
}
messages.Add((T)(object)message);
if (data.Length - offset < 4)
{
break;
}
}
return(messages);
}
catch (System.Exception ex)
{
_tracing.Error(ex, "#Parse message failed.");
return(messages);
}
}