/// <summary>
/// OPC服务器连接成功事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void M_UaOpc_ConnectComplete(object sender, EventArgs e)
{
var msg = string.Format("Opc服务 > {0}", OpcStatus ? "[OnConnected]" : "[Disconnected]");
ServerStateDesc = msg;
ConnectCompleteHandle?.Invoke(this);
}
public void Start(int opaque, TCPObjectErrorHandle errorCallback, ReadCompleteHandle readCallback, ConnectCompleteHandle connectCallback)
{
TCPSynchronizeContext.GetInstance();
m_onErrorHandle = errorCallback;
m_onReadCompleteHandle = readCallback;
m_onConnectCompleteHandle = connectCallback;
m_opaque = opaque;
}
/// <summary>
/// 连接OPCServer服务
/// 1、初始化daOpcItems集合
/// 2、创建浏览器对象
/// 3、OPCServer信息获取
/// </summary>
/// <param name="ServerName"></param>
/// <returns></returns>
public async Task <bool> Connect()
{
try
{
if (Address.DaAddress.ServerName == "" || Address.DaAddress.ServerName is null)
{
return(false);
}
//尝试连接OPC服务
lock (syncLock)
{
if (opc_connected)
{
throw new Exception("opc已经连接，请误重复连接");
}
KepServer.Connect(Address.DaAddress.ServerName, Address.DaAddress.Ip);
if (KepServer.ServerState == (int)OPCServerState.OPCRunning)
{
oPCBrowser = KepServer.CreateBrowser();
this.ServerStateDesc = "已连接到-" + KepServer.ServerName + " ";
this.ServerName = KepServer.ServerName;
this.ServerStartTime = KepServer.StartTime.ToString() + " ";
this.ServerVersion = KepServer.MajorVersion.ToString() + "." + KepServer.MinorVersion.ToString() + "." + KepServer.BuildNumber.ToString() + " ";
opc_connected = true;
ConnectCompleteHandle?.Invoke(this);
return(true);
}
else
{
opc_connected = false;
//这里你可以根据返回的状态来自定义显示信息，请查看自动化接口API文档
this.ServerStateDesc = "状态：连接失败";
this.ServerStartTime = DateTime.Now.ToString();
this.ServerVersion = "0.0.0";
ServerName = "Error";
return(false);
}
}
}
catch (Exception ex)
{
//保存连接状态
opc_connected = false;
//这里你可以根据返回的状态来自定义显示信息，请查看自动化接口API文档
var test = "状态：" + KepServer.ServerState.ToString() + " ";
this.ServerStateDesc = string.Format("无法连接-连接状态{0}", KepServer.ServerState.ToString());
this.ServerStartTime = DateTime.Now.ToString();
this.ServerVersion = "0.0.0";
ServerName = "Error";
return(false);
}
}
public void StartAsClient(Socket socket,
int opaque,
long sessionId,
BufferPool bufferPool,
IPEndPoint remoteEndPoint,
SessionErrorHandle errorCallback,
ReadCompleteHandle readCallback,
ConnectCompleteHandle connectCallback,
UserToken userToken)
{
Init(socket, opaque, sessionId, bufferPool, errorCallback, readCallback, userToken);
m_type = SessionType.Client;
m_remoteEndPoint = remoteEndPoint;
m_onConnectCompleteHandle = connectCallback;
m_errorText = remoteEndPoint.ToString();
BeginConnect();
}
