static async void ConnectNatServer()
{
try
{
if (!IsReConnect)
{
return;
}
isLock = true;
LogHelper.Info($"正在连接服务器...");
//解析主机名
var serverIp = ServerUrl;
var ipArr = ServerUrl.Split('.');
//先判断是不是IP，不是IP就尝试解析域名
if (ipArr.Where(c => int.TryParse(c, out int i) && i > 0 && i <= 255).Count() != 4)
{
IPHostEntry ipInfo = Dns.GetHostEntry(ServerUrl);
serverIp = ipInfo.AddressList.Any() ? ipInfo.AddressList[0].ToString() : throw new Exception($"域名【{ServerUrl}】无法解析");
}
NatClient = new NatClient(new ClientOption()
{
Ip = serverIp,
Port = NatPort,
NoDelay = true,
ProtocolType = ProtocolType.Tcp,
Security = SslProtocols.Tls12,
SslClientAuthenticationOptions = new SslClientAuthenticationOptions
{
EnabledSslProtocols = SslProtocols.Tls12,
TargetHost = serverIp,
ClientCertificates = new X509CertificateCollection()
{
new X509Certificate(CertFile, CertPassword)
}
}
});
NatClient.OnConnected += OnClientConnected;
NatClient.OnReceived += OnPackageReceived;
NatClient.OnClosed += OnClientClosed;
await NatClient.ConnectAsync();
}
catch (Exception ex)
{
LogHelper.Error($"连接服务器失败：{ex}");
}
isLock = false;
}
/// <summary>
/// Callback for OpenAsync calls
/// </summary>
/// <param name="sender">should be this object</param>
/// <param name="e">Event Args holding the login information from Salesforce</param>
private void ls_restloginCompleted(object sender, loginCompletedEventArgs e)
{
LoginTime = DateTime.Now;
Url = e.Result.serverUrl;
SessionHeaderValue = new SessionHeader();
SessionHeaderValue.sessionId = e.Result.sessionId;
SessionId = e.Result.sessionId;
ServerUrl = e.Result.serverUrl;
string[] pieces = ServerUrl.Split('/');
Version = pieces[pieces.Length - 2];
ApiEndPoint = new Uri(e.Result.serverUrl);
baseUrl = "https://" + ApiEndPoint.Host;
state = ConnectionState.Open;
}
public void SendMessage()
{
string clearXmlRequest = XmlRequest;
int serverConnectTimeout = 5000; // 5 Seconds
//DevelopmentLicence myForm = new DevelopmentLicence();
// myForm.ShowDialog();
// used new methods
// string base64String = Convert.ToBase64String(Encoding.Default.GetBytes(XmlRequest));
//XmlRequest = base64String;
_myStatusForm = new StatusForm();
_myStatusForm.Show();
_myStatusForm.BringToFront();
_myStatusForm.Refresh();
try
{
string[] serveripandport;
serveripandport = ServerUrl.Split(':');
string ip = serveripandport[0];
int port = System.Convert.ToInt32(serveripandport[1]);
//TcpClient client = new TcpClient(ip, port);
connectDone.Reset();
TcpClient client = new TcpClient();
try
{
OnStatusMessage(STR_Connecting);
client.BeginConnect(ip, port, new AsyncCallback(ConnectCallback), client); // here the clients starts to connect asynchronously (because it is asynchronous it doesn't have a timeout only events are triggered)
// immediately after calling beginconnect the control is returned to the method, now we need to wait for the event or connection timeout
connectDone.WaitOne(serverConnectTimeout, false); // now application waits here for either an connection event (fi. connection accepted) or the timeout specified by connectionTimeout (in milliseconds)
if (!client.Connected)
{
throw new SocketException(10061);
} /*10061 = Could not connect to server */
client.SendTimeout = timeout;
client.ReceiveTimeout = timeout;
// client.NoDelay = true;
client.ReceiveBufferSize = 32768;
// First 20 bytes = length in Ascii.
//string messageSize = "00000000000000000000" + XmlRequest.Length;
//messageSize = messageSize.Substring(messageSize.Length - 20);
//XmlRequest = messageSize + XmlRequest;
XmlRequest = encodeXmlMessage(XmlRequest, true);
OnStatusMessage(STR_Sending);
Byte[] request = Encoding.Default.GetBytes(XmlRequest);
client.GetStream().Write(request, 0, request.Length);
client.GetStream().Flush();
byte[] xmlLength;
string messageLength;
int lenbytesRead;
bool messageLoop = false;
bool statusLoop = true;
do
{
// Big Status Loop.
do
{
// Inner Ack Loop, maybe we can get rid off.
xmlLength = new byte[20];
messageLength = "";
lenbytesRead = client.GetStream().Read(xmlLength, 0, 20);//s.Receive(incomingBuffer);
messageLength = Encoding.Default.GetString(xmlLength);
// Log("Message size is " + messageLength);
switch (messageLength)
{
case STR_ACK00000000000000000:
OnStatusMessage(STR_AckReceived);
messageLoop = true;
break;
default:
OnStatusMessage(STR_Reading);
messageLoop = false; break;
}
} while (messageLoop && client.Connected);
int xmlMessageSize = Convert.ToInt32(messageLength);
List <byte> dataBuffer = new List <byte>();
int bytesReadSoFar = 0;
do
{
Byte[] response = new Byte[client.ReceiveBufferSize];
int bytesRead = client.GetStream().Read(response, 0, client.ReceiveBufferSize);
bytesReadSoFar += bytesRead;
byte[] resultArray = new byte[bytesRead];
Array.Copy(response, resultArray, bytesRead);
dataBuffer.AddRange(resultArray);
} while (bytesReadSoFar < xmlMessageSize);
XmlResponse = Encoding.Default.GetString(dataBuffer.ToArray(), 0, dataBuffer.Count).Trim();
//Log("Received response: " + XmlResponse);
if (XmlResponse.IndexOf('<') < 0)
{
// Log("Message was encrypted");
XmlResponse = XmlResponse.Replace("\0", "");
XmlResponse = decodeXmlMessage(XmlResponse, true);
}
if (XmlResponse.IndexOf("<StatusResponse") > 0)
{
//Do something with the status message....
try
{
XmlSerializer serializer = new XmlSerializer(typeof(HicapsConnectControl.StatusResponse));
MemoryStream myResultMS = new MemoryStream(Encoding.Default.GetBytes(XmlResponse));
HicapsConnectControl.StatusResponse myResult = (HicapsConnectControl.StatusResponse)serializer.Deserialize(myResultMS);
OnStatusMessage(myResult.ResponseText);
statusLoop = true;
}
catch (Exception ex)
{
statusLoop = false;
}
}
else
{
statusLoop = false;
}
} while (client.Connected && statusLoop);
client.Close();
}
catch (SocketException)
{
string className = HicapsConnectControl.BaseMessage.extractClassName(clearXmlRequest);
XmlResponse = returnNetworkErrorXml("ED", String.Format(STR_DestinationErrorCouldNotConnectToServer, ServerUrl), className);
}
catch (TimeoutException)
{
string className = HicapsConnectControl.BaseMessage.extractClassName(clearXmlRequest);
XmlResponse = returnNetworkErrorXml("EN", String.Format(STR_NetworkRequestTimedOut, ServerUrl), className);
}
catch (Exception)
{
string className = HicapsConnectControl.BaseMessage.extractClassName(clearXmlRequest);
XmlResponse = returnNetworkErrorXml("EN", STR_NetworkError, className);
}
client.Close();
//Console.ReadLine();
//client.Close();
}
catch (Exception ex)
{
//lock (ignoreServerList)
//{
// if (!ignoreServerList.Contains(server))
// {
// ignoreServerList.Add(server);
// }
//}
}
if (XmlResponse.Length == 0 || XmlResponse == "Que ? Go away")
{
string className = HicapsConnectControl.BaseMessage.extractClassName(clearXmlRequest);
XmlResponse = returnNetworkErrorXml("EN", "Network Error", className);
}
OnStatusMessage("Waiting");
OnCompletedMessage();
return;
}