public static List <Tuple <string, Guid> > GetOPCServiceList(string opcSerHostIp)
{
try
{
Host host = new Host(opcSerHostIp);
OpcServerBrowser opcServerBrowser = new OpcServerBrowser(host);
string[] servers;
Guid[] serverGuids;
opcServerBrowser.GetServerList(out servers, out serverGuids);
if (null != servers)
{
List <Tuple <string, Guid> > serverList = new List <Tuple <string, Guid> >();
for (int i = 0; i < servers.Length; i++)
{
serverList.Add(new Tuple <string, Guid>(servers[i], serverGuids[i]));
}
return(serverList);
}
}
catch (Exception ex)
{
NLogHelper.ExceptionInfo(ex, "GetOPCServiceList error :{0}", ex.Message);
}
return(null);
}
public string[] DisplayLocalOpcV2V3Servers()
{
string[] Servers;
OpcServerBrowser srvBrowse = new OpcServerBrowser(); // local server
srvBrowse.GetServerList(out Servers);
return(Servers);
}
public DCO(string pamater)
{
this.ItemPoints = new List <IDataPoint>();
thread = new System.Threading.Thread(new System.Threading.ThreadStart(Monitor));
ILE.LEResult res = new LEResult();
//用这个数据点的配置，启动OPC连接，正因如此，此处注意，无法支持一台设备存在两个OPC_server地址
string[] pmts = pamater.Split(',');
strMachine = pmts[0]; //服务PC的IP地址
string strServerName = pmts[1]; //服务名
string strPointName = pmts[2]; //数据点地址名
OpcServerBrowser myBrowser = new OpcServerBrowser(strMachine);
try
{
myBrowser.CLSIDFromProgID(strServerName, out SrvGuid); //获取OPC服务组件的注册ID，获取不到会直接报错
}
catch
{
res.ExtMessage = "服务不存在或无法访问!";
res.Result = false;
//return res;
throw new Exception("服务不存在或无法访问");
}
Host host = new Host(strMachine);
server = new OpcServer();
host.Domain = strMachine.ToUpper();
host.HostName = strMachine;
host.UserName = "";
host.Password = "";
int rtc = server.Connect(strMachine, SrvGuid);
try
{
HRESULTS.Succeeded(rtc);
//this.label1.Text = "连接成功!";
//守护线程
}
catch (Exception exc)
{
res.Result = false;
res.ExtMessage = exc.Message;
this.server.Disconnect();
this.server = null;
throw new Exception("服务连接失败");
}
}
public static Dictionary <string, Guid> GetServersNameAndGuid(string hostNameOrAddress)
{
string[] servers = null;
Guid[] guids = null;
Dictionary <string, Guid> serverAndGuidDic = new Dictionary <string, Guid>();
try
{
IPHostEntry ip_host = Dns.GetHostEntry(hostNameOrAddress);
Host host = new Host(ip_host.HostName);
OpcServerBrowser browser = new OpcServerBrowser(host);
browser.GetServerList(out servers, out guids);
for (int i = 0; i < servers.Length; i++)
{
serverAndGuidDic[servers[i]] = guids[i];
}
}
catch (Exception err)
{
NLogHelper.ExceptionInfo(err, "GetServersNameAndGuid error :{0}", err.Message);
}
return(serverAndGuidDic);
}
