internal override TransResult transact()
{
TransResult ret = TransResult.E_SEND_FAIL;
Socket socket = null;
if (RealEnv)
{
if (!GPRSConnect())
{
return(ret);
}
IPAddress ip = IPAddress.Parse(serverIP);
IPEndPoint ipe = new IPEndPoint(ip, serverPort); //把ip和端口转化为IPEndPoint实例
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
socket.SendTimeout = sendTimeOut * 1000;
socket.ReceiveTimeout = recvTimeOut * 1000;
socket.Connect(ipe);
}
catch (Exception err)
{
Log.Error(this.GetType().Name, err);
return(ret);
}
}
try
{
ret = TransResult.E_PACKET_FAIL;
byte[] SendBytes = new byte[0];
PackFix();
Packet();
if (SendXMLPackage == null)
{
return(TransResult.E_INVALID);
}
string xmlStr = SendXMLPackage.GetXML();
SendBytes = Encoding.Default.GetBytes(xmlStr);
byte[] head = PackBytesAtFront(xmlStr.Length);
int headLen = head.Length;
int sendLen_all = head.Length + xmlStr.Length;
byte[] sendstr_all = new byte[sendLen_all];
Array.Copy(head, sendstr_all, head.Length);
Array.Copy(SendBytes, 0, sendstr_all, head.Length, SendBytes.Length);
////记录原始发送日志
CLog.Info(CLog.GetXMLLog(Encoding.Default.GetString(sendstr_all), this, CLog.LogType.Send));
ret = TransResult.E_SEND_FAIL;
if (RealEnv)
{
int sendLen = 0;
sendLen = socket.Send(sendstr_all, sendLen_all, 0);
if (sendLen <= 0)
{
socket.Close();
return(ret);
}
}
////从服务器端接受返回信息
ret = TransResult.E_RECV_FAIL;
int recvLen = 0;
if (RealEnv)
{
sRecvBuffer.Initialize();
recvLen = socket.Receive(sRecvBuffer, sRecvBuffer.Length, 0);
if (recvLen <= 0)
{
socket.Close();
return(ret);
}
byte[] RecvBytes = new byte[recvLen - headLen];
Array.Copy(sRecvBuffer, headLen, RecvBytes, 0, recvLen - headLen);
byte[] headBytes = new byte[headLen];
Array.Copy(sRecvBuffer, headBytes, headLen);
//解包
ret = TransResult.E_UNPACKET_FAIL;
//FrontBytes = headBytes;
//HandleFrontBytes(headBytes);//根据报文头来判断是否要下载密钥
//RecvPackage.ParseBuffer(RecvBytes, SendPackage.ExistValue(0));
RecvXMLPackage = new XMLConfig();
RecvXMLPackage.loadXML(Encoding.Default.GetString(RecvBytes));
//记录原始接收日志
byte[] logRecv = new byte[recvLen];
Array.Copy(sRecvBuffer, logRecv, recvLen);
//CLog.LogPackage(logRecv, RecvPackage, CLog.LogType.Recv);
CLog.Info(CLog.GetXMLLog(Encoding.Default.GetString(logRecv), this, CLog.LogType.Recv));
bool nRet = UnPackFix();
if (!mInvokeSetResult)
{
throw new Exception("should invoke SetRespInfo() in UnPackFix()");
}
mInvokeSetResult = false;
if (nRet)
{
ret = TransResult.E_SUCC;
}
else
{
ret = TransResult.E_HOST_FAIL;
}
}
else
{
ret = TransResult.E_SUCC;
}
}
catch (System.Exception ex)
{
Log.Error(this.GetType().Name, ex);
}
finally
{
if (socket != null && socket.Connected)
{
socket.Close();
}
}
return(ret);
}