private void ReadTagValueFromKepServer(
string kepServerName,
TDeviceTagValueRWReqBodyTags read,
out int errCode,
out string errText)
{
errCode = 0;
errText = "";
for (int i = 0; i < read.Tags.Count; i++)
{
TIRAPOPCTag opcTag =
TIRAPOPCDevices.Instance.FindOPCTagItem(
string.Format(
"{0}.{1}",
kepServerName,
read.Tags[i].TagName));
if (opcTag == null)
{
errCode = 903341;
errText = string.Format("读取失败：标签[{0}]在 KepServer 中未定义", read.Tags[i].TagName);
return;
}
else
{
content.Response.ReadTags.Add(
new TDeviceTagValueRWRspBodyTag()
{
TagName = read.Tags[i].TagName,
TagValue = opcTag.TagValue,
});
}
}
}
private void WriteTagValueToKepServer(
string kepServerName,
TDeviceTagValueRWReqBodyTags write,
out int errCode,
out string errText)
{
errCode = 0;
errText = "";
for (int i = 0; i < write.Tags.Count; i++)
{
TIRAPOPCTag opcTag =
TIRAPOPCDevices.Instance.FindOPCTagItem(
string.Format(
"{0}.{1}",
kepServerName,
write.Tags[i].TagName));
if (opcTag == null)
{
errCode = 903341;
errText = string.Format("回写失败：标签[{0}]在 KepServer 中未定义", write.Tags[i].TagName);
return;
}
else
{
try
{
opcTag.WriteTagValueBack(write.Tags[i].TagValue, out errCode, out errText);
if (errCode != 0)
{
errCode = 903341;
errText =
string.Format(
"标签[{0}]回写失败：[{1}]",
write.Tags[i].TagName,
errText);
return;
}
}
catch (Exception error)
{
errCode = 903341;
errText =
string.Format(
"标签[{0}]回写失败：[{1}]",
write.Tags[i].TagName,
error.Message);
return;
}
}
}
}
public bool Init(string ipKepServer, string nameKepServer)
{
if (kepServerConnected)
{
kepServer.Disconnect();
}
this.ipKepServer = ipKepServer;
this.nameKepServer = nameKepServer;
Debug.WriteLine(
string.Format(
"连接远程服务器[{0}][{1}]......",
nameKepServer,
ipKepServer));
try
{
kepServer.Connect(nameKepServer, ipKepServer);
Debug.WriteLine("远程服务器连接成功");
}
catch (Exception error)
{
kepServerConnected = false;
Debug.WriteLine(
string.Format(
"连接远程服务器[{0}]出现错误：[{1}]",
ipKepServer,
error.Message));
return(false);
}
// 连接了远程服务器后，枚举中该服务器中所有的节点
OPCBrowser browser = kepServer.CreateBrowser();
browser.ShowBranches();
browser.ShowLeafs(true);
foreach (object tag in browser)
{
string tagName = tag.ToString();
if (!tagName.Contains("._"))
{
tags.Add(
new TIRAPOPCTagItem()
{
TagName = tagName,
});
}
}
// 建立数据变化的侦听
kepGroups = kepServer.OPCGroups;
kepGroups.RemoveAll();
kepGroup = kepGroups.Add("OPCLISTENERGROUP");
kepGroups.DefaultGroupIsActive = true;
kepGroups.DefaultGroupDeadband = 0;
kepGroup.UpdateRate = 250;
kepGroup.IsActive = true;
kepGroup.IsSubscribed = true;
kepGroup.DataChange += new DIOPCGroupEvent_DataChangeEventHandler(KepGroup_DataChange);
kepGroup.AsyncWriteComplete += new DIOPCGroupEvent_AsyncWriteCompleteEventHandler(KepGroup_AsyncWriteComplete);
kepItems = kepGroup.OPCItems;
for (int i = 0; i < tags.Count; i++)
{
//if (!tags[i].TagName.Contains("DATA_READY"))
//{
tags[i].ServerHandle = kepItems.AddItem(tags[i].TagName, i + 1).ServerHandle;
TIRAPOPCTag tag =
TIRAPOPCDevices.Instance.FindOPCTagItem(
string.Format(
"{0}.{1}",
nameKepServer,
tags[i].TagName));
if (tag != null)
{
tag.ServerHandle = tags[i].ServerHandle;
tag.WriteTagValueMethod = WriteTagValue;
Debug.WriteLine(
string.Format(
"TagName:[{0}], ServerHandle:[{1}]",
tag.TagName,
tag.ServerHandle));
}
//}
}
//writter.Init(ipKepServer, nameKepServer);
return(true);
}
private void Settle()
{
try
{
string fullTagName =
string.Format(
"{0}.{1}",
item.KepServerName,
item.TagName);
Debug.WriteLine(string.Format("TagName:[{0}]", fullTagName));
TIRAPOPCTag tag =
TIRAPOPCDevices.Instance.FindOPCTagItem(fullTagName);
if (tag != null)
{
Console.WriteLine(
string.Format(
"[{0}]收到消息事件：TagName[{1}],Value[{2}],TimeStamp[{3}]",
item.ReceiveTime.ToString("HH:mm:ss.fff"),
item.TagName, item.Value, item.TimeStamp));
Console.WriteLine(
string.Format(
"[{0}][线程 #{1}]处理 OPC 消息：TagName:[{2}],Value:[{3}]",
DateTime.Now.ToString("HH:mm:ss.fff"),
threadID,
item.TagName,
item.Value));
//WriteLog.Instance.Write(
// guid,
// string.Format(
// "[线程 #{0}]处理 OPC 消息：TagName:[{1}],Value:[{2}]",
// threadID,
// item.TagName,
// item.Value));
tag.SetTagValue(item.Value, item.TimeStamp);
}
else
{
Debug.WriteLine(
string.Format(
"KepTag:未注册[{0}]",
fullTagName));
}
}
catch (Exception error)
{
string errCode = "";
string errText = "";
if (error.Data["ErrCode"] != null)
{
errCode = error.Data["ErrCode"].ToString();
}
if (error.Data["ErrText"] != null)
{
errText = error.Data["ErrText"].ToString();
}
else
{
errText = error.Message;
}
Debug.WriteLine(
string.Format(
"[线程 #{0}]处理消息时出错：[({1}){2}]",
threadID,
errCode,
errText));
}
}
private void Settle()
{
Debug.WriteLine(
string.Format(
"[线程 #{0}]开始处理 OPC 出队消息",
threadID));
TIRAPOPCTagValueItem value = TIRAPOPCTagValueItemQueue.Instance.Get();
while (!needStopped || value != null)
{
if (value != null)
{
Debug.WriteLine(
string.Format(
"[线程 #{0}]处理 OPC 出队消息：TagName:[{1}],Value:[{2}]",
threadID,
value.TagName,
value.Value));
try
{
string fullTagName =
string.Format(
"{0}.{1}",
value.KepServerName,
value.TagName);
Debug.WriteLine(string.Format("TagName:[{0}]", fullTagName));
TIRAPOPCTag tag =
TIRAPOPCDevices.Instance.FindOPCTagItem(fullTagName);
if (tag != null)
{
Console.WriteLine(
string.Format(
"[线程 #{0}]处理 OPC 出队消息：TagName:[{1}],Value:[{2}]",
threadID,
value.TagName,
value.Value));
tag.SetTagValue(value.Value, value.TimeStamp);
}
else
{
Debug.WriteLine(
string.Format(
"KepTag:未注册[{0}]",
fullTagName));
}
}
catch (Exception error)
{
string errCode = "";
string errText = "";
if (error.Data["ErrCode"] != null)
{
errCode = error.Data["ErrCode"].ToString();
}
if (error.Data["ErrText"] != null)
{
errText = error.Data["ErrText"].ToString();
}
else
{
errText = error.Message;
}
Debug.WriteLine(
string.Format(
"[线程 #{0}]处理消息时出错：[({1}){2}]",
threadID,
errCode,
errText));
}
}
Thread.Sleep(10);
value = TIRAPOPCTagValueItemQueue.Instance.Get();
}
Debug.WriteLine("[线程 #[{0}]已停止。", threadID);
}
private void WaittingFor(
string kepServerName,
TDeviceTagValueRWReqBodyFlagTags flags,
out int errCode,
out string errText)
{
errCode = 0;
errText = "";
List <TIRAPOPCTag> opcTags = new List <TIRAPOPCTag>();
for (int i = 0; i < flags.Tags.Count; i++)
{
TIRAPOPCTag opcTag =
TIRAPOPCDevices.Instance.FindOPCTagItem(
string.Format(
"{0}.{1}",
kepServerName,
flags.Tags[i].TagName));
if (opcTag == null)
{
errCode = 903341;
errText =
string.Format(
"标识标签错误：标签[{0}]在 KepServer 中未定义",
flags.Tags[i].TagName);
return;
}
else
{
opcTags.Add(opcTag);
}
}
DateTime start = DateTime.Now;
TimeSpan span = DateTime.Now - start;
bool allAbove = true;
while (span.TotalSeconds <= flags.TimeOut)
{
allAbove = true;
for (int i = 0; i < opcTags.Count; i++)
{
if (opcTags[i].TagValue != flags.Tags[i].TagValue)
{
allAbove = false;
break;
}
}
if (allAbove)
{
break;
}
Thread.Sleep(300);
span = DateTime.Now - start;
}
if (!allAbove)
{
errCode = 903342;
errText =
string.Format(
"在[{0}]秒内，未满足规定的读取条件。",
flags.TimeOut);
}
}
