/// <summary>
/// 处理消息
/// </summary>
/// <param name="header"></param>
/// <param name="byteData"></param>
/// <returns></returns>
public string Processmessage(NetPacketHeader header, byte[] byteData)
{
bool mIsEncryt = (header.State & 4) != 0;
string strData = string.Empty;
if (mIsEncryt)
{
//strData = AESEncryption.DecryptNN256(byteData);
}
else
{
strData = Encoding.ASCII.GetString(byteData);
}
strData = strData.Trim('\n');
return(strData);
}
/// <summary>
/// 发送消息
/// </summary>
/// <param name="msg"></param>
public void SendMessage(string msg, bool bIsEncryted, SslStream sslStream)
{
NetPacketHeader header = new NetPacketHeader();
header.Flag = Encoding.ASCII.GetBytes("LM");
header.Format = 1;
byte[] data;
if (bIsEncryted)
{
header.State = 4;
data = AESEncryption.EncryptNN256Data(msg);
}
else
{
header.State = 0;
data = Encoding.ASCII.GetBytes(msg);
}
header.Size = (uint)data.Length;
byte[] headData = Common.StructToBytes(header);
sslStream.Write(headData);
sslStream.Write(data);
sslStream.Flush();
}
private JsonObject ThreadWorker(SslStream sslStream, TcpClient client)
{
NetPacketHeader header = new NetPacketHeader();
byte[] byteFollowMsg = new byte[1];
bool bIsGetResponse = false; //是否已经获得了请求回应信息
JsonObject objAllLicenses = null;
while (!bIsGetResponse)
{
ReceiveMessage(ref header, ref byteFollowMsg, sslStream, client);
string strMsg = Processmessage(header, byteFollowMsg);
JsonObject obj = new JsonObject(strMsg);
string st = obj[LicenseDefine.KEYWORD_MSG_CLASSDESC].GetValue().ToString();
if (int.Parse(obj[LicenseDefine.KEYWORD_MSG_CLASSID].GetValue().ToString()) == 5 &&
int.Parse(obj[LicenseDefine.KEYWORD_MSG_MESSAGEID].GetValue().ToString()) == 3 &&
int.Parse(obj[LicenseDefine.KEYWORD_MSG_REQUESTID].GetValue().ToString()) == 1)
{
objAllLicenses = obj;
bIsGetResponse = true;
}
}
return(objAllLicenses);
}
public int ConnectToLicenseServer(string strHost, int iPort, ref SslStream sslStream, ref TcpClient client)
{
int iResult = 0;
try
{
client = new TcpClient();
client.Connect(strHost, iPort);
if (!client.Connected)
{
return(-1);
}
sslStream = new SslStream(client.GetStream(), false, Common.ServerValidation, null);
sslStream.AuthenticateAsClient(client.Client.RemoteEndPoint.ToString());
string strResult = string.Empty;
NetPacketHeader header = new NetPacketHeader();
byte[] byteFollowMsg = new byte[1];
ReceiveMessage(ref header, ref byteFollowMsg, sslStream, client);
bIsEncryted = (header.State & 4) != 0;
string strMsg = Processmessage(header, byteFollowMsg);
JsonObject obj = new JsonObject(strMsg);
strSession = obj[LicenseDefine.KEYWORD_MSG_DATA][LicenseDefine.KEYWORD_MSG_SESSION].GetValue().ToString();
int iMessageID = int.Parse(obj[LicenseDefine.KEYWORD_MSG_MESSAGEID].ToString());
if (iMessageID != 1)
{
return(-1);
}
if (iMessageID == 1) //收到的是welcome 则返回logon数据包
{
strMsg = string.Empty;
JsonObject json = new JsonObject();
json[LicenseDefine.KEYWORD_MSG_CLASSDESC] = new JsonProperty("\"authenticate\"");
json[LicenseDefine.KEYWORD_MSG_CLASSID] = new JsonProperty(LicenseDefine.LICENSE_MSG_CLASS_AUTHENTICATE);
json[LicenseDefine.KEYWORD_MSG_CURRENTTIME] = new JsonProperty(DateTime.Now.ToString("\""
+ DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "\""));
json[LicenseDefine.KEYWORD_MSG_DATA] = new JsonProperty(new JsonObject());
json[LicenseDefine.KEYWORD_MSG_DATA][LicenseDefine.KEYWORD_MSG_HEARTBEAT] = new JsonProperty(LicenseDefine.NET_HEARTBEAT_INTEVAL);
json[LicenseDefine.KEYWORD_MSG_DATA][LicenseDefine.KEYWORD_MSG_MODULENAME] = new JsonProperty("\"License Test\"");
json[LicenseDefine.KEYWORD_MSG_DATA][LicenseDefine.KEYWORD_MSG_MODULENUMBER] = new JsonProperty(-1);
json[LicenseDefine.KEYWORD_MSG_DATA][LicenseDefine.KEYWORD_MSG_MODULETYPEID] = new JsonProperty(0);
json[LicenseDefine.KEYWORD_MSG_DATA][LicenseDefine.KEYWORD_MSG_PROTOCOL] = new JsonProperty("\"" + LicenseDefine.NET_PROTOCOL_VERSION + "\"");
json[LicenseDefine.KEYWORD_MSG_DATA][LicenseDefine.KEYWORD_MSG_SESSION] = new JsonProperty(strSession);
json[LicenseDefine.KEYWORD_MSG_DATA][LicenseDefine.KEYWORD_MSG_VERIFICATION] = new JsonProperty("\"" + Common.GetValidication(strSession) + "\"");
json[LicenseDefine.KEYWORD_MSG_MESSAGEDESC] = new JsonProperty("\"longon\"");
json[LicenseDefine.KEYWORD_MSG_MESSAGEID] = new JsonProperty(LicenseDefine.LICENSE_MSG_CLASS_CONNECTION);
strMsg = json.ToString();
SendMessage(json.ToString(), bIsEncryted, sslStream);
ReceiveMessage(ref header, ref byteFollowMsg, sslStream, client);
strMsg = Processmessage(header, byteFollowMsg);
obj = new JsonObject(strMsg);
iMessageID = int.Parse(obj[LicenseDefine.KEYWORD_MSG_MESSAGEID].GetValue().ToString());
if (iMessageID != 3)
{
return(-1);
}
}
}
catch
{
iResult = -1;
}
return(iResult);
}
/// <summary>
/// 接受数据
/// </summary>
private void ReceiveMessage(ref NetPacketHeader packHeader, ref byte[] byteFollowMsg, SslStream sslStream, TcpClient client)
{
string str = string.Empty;
byte[] byteHeadMsg = new byte[LicenseDefine.NET_HEAD_SIZE];
byte[] byteTemp = new byte[1024]; //临时存放数据
byte[] byteReceive = new byte[16]; //用于接收消息
int iReceiveResult = 0;
int iTotalRecive = 0; //计算总共收下多少数据
bool isReceivedHead = false; //包头有没有收完 true为收完
byte[] byteFollowData = new byte[1];
int iReceiveByteLength = LicenseDefine.NET_HEAD_SIZE;
NetPacketHeader disHead;
while (true)
{
if (!sslStream.CanRead || !client.Connected)
{
break;
}
byteReceive = new byte[iReceiveByteLength];
iReceiveResult = sslStream.Read(byteReceive, 0, iReceiveByteLength);
if (iReceiveResult <= 0)
{
break;
}
if (!isReceivedHead)
{
byteReceive.CopyTo(byteTemp, iTotalRecive);
if (iReceiveResult + iTotalRecive >= byteReceive.Length)
{
isReceivedHead = true;
disHead = (NetPacketHeader)Common.BytesToStruct(byteTemp, typeof(NetPacketHeader));
if (disHead.Flag[0] == 'L' && disHead.Flag[1] == 'M')
{
byteFollowData = new byte[disHead.Size];
iReceiveByteLength = (int)disHead.Size;
packHeader = disHead;
iTotalRecive = 0;
}
else
{
break;
}
}
else
{
iTotalRecive += iReceiveResult;
continue;
}
}
else
{
Array.Copy(byteReceive, 0, byteFollowData, iTotalRecive, iReceiveResult);
iTotalRecive += iReceiveResult;
//判断本次接收完后 如果下次接收的数据加上已经收完的数据 大于总数据数
//则设置下次接收的数据大小为总数据-已经接收完的数据 避免接收到后续包的数据 导致数据不完整
if (iTotalRecive + iReceiveByteLength > byteFollowData.Length)
{
iReceiveByteLength = byteFollowData.Length - iTotalRecive;
}
if (iTotalRecive == packHeader.Size)
{
break;
}
}
}
byteFollowMsg = new byte[byteFollowData.Count()];
byteFollowData.CopyTo(byteFollowMsg, 0);
}
