protected override int GetBodyLengthFromHeader(byte[] header, int offset, int length)
{
info.MessageNum= IntToByte.bytesToInt(header.CloneRange(offset, length),0);
info.Messagelength = IntToByte.bytesToInt(header.CloneRange(offset, length), 4);
info.MessageResNum = IntToByte.bytesToInt(header.CloneRange(offset, length), 8);
return info.Messagelength;
}
/// <summary>
/// 创建消息
/// </summary>
/// <param name="messageNum">消息号</param>
/// <param name="messageLength">消息体长度</param>
/// <param name="messgaeResNum">返回的消息号</param>
/// <param name="body">消息体</param>
/// <returns></returns>
public static Byte[] CreateMessage(int messageNum, int messageLength, int messgaeResNum, byte[] body)
{
List <byte> head = new List <byte>();
head.AddRange(IntToByte.intToBytes(messageNum));
head.AddRange(IntToByte.intToBytes(messageLength));
head.AddRange(IntToByte.intToBytes(messgaeResNum));
head.AddRange(body);
return(head.ToArray());
}
public List <ReceiveData> SendReceive(byte[] data)
{
List <ReceiveData> receiveData = new List <ReceiveData>();
Send(data);
int count;
byte[] reqdata = new byte[2048];
MemoryStream ms = new MemoryStream();
while (0 != (count = sc.Receive(reqdata)))
{
ms.Write(reqdata, 0, count);
if (count != reqdata.Length)
{
break;
}
// if (count < 1024) break;
}
while (ms.Length > 0)
{
var datainfo = ms.ToArray();
int number = IntToByte.bytesToInt(datainfo, 0); //消息号
int length = IntToByte.bytesToInt(datainfo, 4); //消息长度
int resnumber = IntToByte.bytesToInt(datainfo, 8); //返回消息号
if (length > ms.Length)
{
break;
}
byte[] body = new byte[length];
Array.Copy(datainfo, 12, body, 0, length);
receiveData.Add(new ReceiveData {
Data = body, length = length, resnumber = resnumber, number = number
});
ms = new MemoryStream();
if (datainfo.Length > length + 12)
{
ms.Write(datainfo, length + 12, datainfo.Length - length - 12);
}
}
sc.Close();
return(receiveData);
}
