private static void Browse(Dictionary <string, string> args, Socket writer, PHDHistorian oPhd)
{
try
{
TagFilter filter = new TagFilter();
filter.Tagname = "*";
string tagmodel = "onlyname"; // tag info model, [onlyname, verbose]default is onlyname,
uint count = 0; // maximum number of tags to be returned
if (args.ContainsKey("tagname") && !string.IsNullOrEmpty(args["tagname"]))
{
filter.Tagname = args["tagname"];
}
if (args.ContainsKey("datatype") && !string.IsNullOrEmpty(args["datatype"]))
{
filter.DataType = args["datatype"].ToCharArray()[0];
}
if (args.ContainsKey("tagmodel") && !string.IsNullOrEmpty(args["tagmodel"]))
{
tagmodel = args["tagmodel"];
}
if (args.ContainsKey("count") && !string.IsNullOrEmpty(args["count"]))
{
count = uint.Parse(args["count"]);
}
DataSet ds = oPhd.BrowsingTags(count, filter);
DataTable table = ds.Tables[0];
WriteLine(writer, "200, Tags total number: " + table.Rows.Count);// return the number of browsed tags
foreach (DataRow row in table.Rows)
{
if (tagmodel.Equals("verbose"))
{
// [Name, Tagno, Description, Units, SourceCollector, DataType, DataSize, SourceTagname, SourceUnits, ParentTagname, ParentTagno]
WriteLine(writer, serializer.Serialize(TagModel(row)));
}
else
{
WriteLine(writer, (string)row["Name"]);
}
}
WriteLine(writer, "###END###");
}
catch (Exception e)
{
System.Console.Out.WriteLine("\nBrowse tags from {0}:{1} failed, \n{2}\n", oPhd.DefaultServer.HostName, oPhd.DefaultServer.Port, e.Message);
WriteLine(writer, "200, false, " + e.Message);
}
}
private static List <Tags> TagsFromBrowse(PHDHistorian oPhd, Dictionary <string, string> args)
{
TagFilter filter = new TagFilter();
filter.Tagname = "*";
uint count = 0;
if (args.ContainsKey("tagname") && !string.IsNullOrEmpty(args["tagname"]))
{
filter.Tagname = args["tagname"];// tag name pattern, such as "AC-*", default is "*"
}
if (args.ContainsKey("datatype") && !string.IsNullOrEmpty(args["datatype"]))
{
filter.DataType = args["datatype"].ToCharArray()[0];// data type, such as 'F', 'C', ...
}
if (args.ContainsKey("count") && !string.IsNullOrEmpty(args["count"]))
{
count = uint.Parse(args["count"]);// maxinum number to browse
}
List <Tags> taglist = new List <Tags>();
DataSet ds = oPhd.BrowsingTags(count, filter);
DataTable table = ds.Tables[0];
Tags _tags = new Tags();
foreach (DataRow row in table.Rows)
{
_tags.Add(new Tag((string)row["Name"]));
if (_tags.Count > TAGS_MAX_COUNT)
{
taglist.Add(_tags);
_tags = new Tags();
}
}
if (_tags.Count > 0)
{
taglist.Add(_tags);
}
return(taglist);
}