IEnumerable <Flot> GetFlotData(DateTime aStart, DateTime aEnd)
{
var tObjects = new List <Flot>();
FetchData data = Helper.RrdDb.createFetchRequest(ConsolFuns.CF_AVERAGE, aStart.ToTimestamp(), aEnd.ToTimestamp(), 1).fetchData();
Int64[] times = data.getTimestamps();
double[][] values = data.getValues();
for (int a = 1; a <= Snapshot.SnapshotCount; a++)
{
var obj = new Flot();
var list = new List <double[]>();
for (int b = 0; b < times.Length; b++)
{
double[] current = { times[b] * 1000, values[a][b] };
list.Add(current);
}
obj.Data = list.ToArray();
obj.Type = a;
tObjects.Add(obj);
}
return(tObjects.ToArray());
}
public RemoteFetchData FetchData(string databaseName, long startTimeTick, long endTimeTick, string consolFunctionName, long resolution)
{
RrdDb database = null;
try
{
log.DebugFormat("Read data from {0}", databaseName);
var nameValueCollection = (NameValueCollection)ConfigurationManager.GetSection("rrdbfileserver");
string dataBasePath = nameValueCollection["databasepath"];
log.DebugFormat("Database path:{0}", dataBasePath + databaseName);
database = new RrdDb(dataBasePath + databaseName, true);
FetchRequest fetchRequest = new FetchRequest(null, consolFunctionName, startTimeTick, endTimeTick, resolution);
FetchData data = database.fetchData(fetchRequest);
database.close();
RemoteFetchData remoteData = new RemoteFetchData();
remoteData.Timestamps = data.getTimestamps();
remoteData.Values = data.getValues();
remoteData.ArchiveEndTimeTicks = data.getArcEndTime();
remoteData.ArchiveSteps = data.getArcStep();
remoteData.DatasourceNames = data.getDsNames();
if (debugEnabled)
{
log.DebugFormat("Read data from {0} to {1}.", rrd4n.Common.Util.getDate(startTimeTick), rrd4n.Common.Util.getDate(endTimeTick));
}
return(remoteData);
}
catch (Exception ex)
{
log.Error("Fetchdata exception", ex);
throw;
}
finally
{
if (database != null)
{
database.close();
}
}
}
public rrd4n.DataAccess.Data.FetchData GetData(rrd4n.DataAccess.Data.FetchRequest request)
{
RrdDb rrdDb = null;
try
{
string dataPath;
if (DataPath.Contains("${APPDATA}"))
{
dataPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
dataPath += DataPath.Substring(10);
}
else
{
dataPath = DataPath;
}
rrdDb = new RrdDb(dataPath + request.DatabasePath);
FetchRequest coreRequest = new FetchRequest(rrdDb.getPath(), request.ConsolidateFunctionName, request.FetchStart, request.FetchEnd, request.Resolution);
FetchData coreFetchData = rrdDb.fetchData(coreRequest);
return(new rrd4n.DataAccess.Data.FetchData(coreFetchData.getArcStep(), coreFetchData.getArcEndTime(), coreFetchData.getDsNames())
{
Values = coreFetchData.getValues(),
Timestamps = coreFetchData.getTimestamps()
});
}
finally
{
if (rrdDb != null)
{
rrdDb.close();
}
}
}
