public void Init()
{
cfg = new OPCAgentConfig();
cfg.Host = Common.GetConfig("host");
cfg.OPCName = Common.GetConfig("opcname");
cfg.Period = Convert.ToInt32(Common.GetConfig("period"));
cfg.AssetFolder = Common.GetConfig("assetfolder");
ErrorTags = new List <string>();
if (!String.IsNullOrEmpty(cfg.Host))
{
server = new OpcDaServer(UrlBuilder.Build(cfg.OPCName, cfg.Host));
server.Connect();
BuildSubcribtion(server, cfg);
}
else
{
Log.Write("Cannot find host address.", LogType.ERROR);
}
}
protected List <OpcDaGroup> BuildSubcribtion(OpcDaServer server, OPCAgentConfig cfg)
{
List <OpcDaGroup> groups = new List <OpcDaGroup>();
try
{
string objectFilePath = cfg.AssetFolder + "\\objects.txt";
string tagFilePath = cfg.AssetFolder + "\\tags.txt";
string tagErrorFilePath = cfg.AssetFolder + "\\tags-error.txt";
string objLine, tagLine, tagErrorLine;
List <String> objs = new List <string>();
System.IO.StreamReader fileObj = new System.IO.StreamReader(objectFilePath);
while ((objLine = fileObj.ReadLine()) != null)
{
objLine = objLine.Trim();
if (!objLine.StartsWith("//"))
{
objs.Add(objLine);
}
}
fileObj.Close();
List <String> tags = new List <string>();
System.IO.StreamReader fileTag = new System.IO.StreamReader(tagFilePath);
while ((tagLine = fileTag.ReadLine()) != null)
{
tagLine = tagLine.Trim();
if (!tagLine.StartsWith("//"))
{
tags.Add(tagLine);
}
}
fileTag.Close();
System.IO.StreamReader fileTagError = new System.IO.StreamReader(tagErrorFilePath);
while ((tagErrorLine = fileTagError.ReadLine()) != null)
{
tagErrorLine = tagErrorLine.Trim();
if (!tagErrorLine.StartsWith("//"))
{
tags.Add(tagErrorLine);
ErrorTags.Add(tagErrorLine);
}
}
fileTagError.Close();
foreach (String obj in objs)
{
List <string> objtags = new List <string>();
foreach (string tag in tags)
{
String objTag = String.Concat(obj, ".", tag);
objtags.Add(objTag);
}
OpcDaGroup g = Subscribe(obj, server, objtags.ToArray());
string msg = "Subscribe for " + obj;
//Log.Write(msg, LogType.SUBSCRIBE);
}
}
catch (Exception exc)
{
string err = "Error: " + exc.Message;
Log.Write(err, LogType.ERROR);
}
return(groups);
}