// returns a set of datetime-value tuples in a JSON string
// param0: MetricGroupName - MetricGroup->Name
// param1: TargetId - Targets->Id
// param2: StartDateTime - YYYYMMDDHHMM
// param3: EndDateTime - YYYYMMDDHHMM
// param4: Interval - M in minutes
// param5: MetricName - MetricGroup->metrics->name
// param6: NumOfRowsToReturn - Number of records to return (TOP X)
// param7: DictionaryKeyName - MetricGroup->multiRowKeys->name
// param8: Optional. Dictionary keys to exclude
// test string ok http://localhost:3128/ws/fastmulti/Range/SQL%20Server%20Wait%20Stats/0/201305201800/201305201900/5/Wait%20Time%20ms/5/Wait%20Type/
// test string not ok http://localhost:3128/ws/fastmulti/Range/SQL%20Server%20Wait%20Stats/0/201305201800/201305M900/5/Wait%20Time%20ms/10/Wait%20Type/
private WebServiceResult Range(string[] parameters)
{
if (parameters.Count() < 8)
{
return(WebServiceResult.ReturnError(GetType().Name + ".Range(): too few parameters. Format is MetricGroupName/TargetId/StartDateTime/EndDateTime/IntervalInMinutes/MetricName/DictionaryKeyName/[DictionaryKeysToExclude]"));
}
if (parameters.Count() > 9)
{
return(WebServiceResult.ReturnError(GetType().Name + ".Range(): too many parameters. Format is MetricGroupName/TargetId/StartDateTime/EndDateTime/IntervalInMinutes/MetricName/numOfRowsToReturn/DictionaryKeyName/[DictionaryKeysToExclude]"));
}
Regex r = new Regex("^[0-9]*$");
// check that supplied target id is valid
if (!r.IsMatch(parameters[1]) || !Configuration.targets.ContainsId(Convert.ToInt32(parameters[1])))
{
return(WebServiceResult.ReturnError(GetType().Name + ".Range(): TargetId is either not numeric or target with specified id doesn't exist"));
}
if (!r.IsMatch(parameters[2]) || !r.IsMatch(parameters[3]) || !r.IsMatch(parameters[4]))
{
return(WebServiceResult.ReturnError(GetType().Name + ".Range(): TargetId or StartDateTime or EndDateTime or Interval is not numeric. Format is MetricGroupName/TargetId/StartDateTime/EndDateTime/IntervalInMinutes/MetricName/DictionaryKeyName/[DictionaryKeysToExclude]"));
}
if (parameters[2].Length != 12 || parameters[3].Length != 12)
{
return(WebServiceResult.ReturnError(GetType().Name + ".Range(): StartDateTime and EndDateTime must be in YYYYMMDDHHMM format"));
}
if (!r.IsMatch(parameters[6]))
{
return(WebServiceResult.ReturnError(GetType().Name + ".Range(): NumOfRowsToReturn is not numeric"));
}
// look up metric group by name
var metricGroup = Configuration.metricGroups[parameters[0]];
string metricColumn = parameters[5].Replace(' ', '_');
string numOfRowsToReturn = parameters[6];
string exclusionColumn = parameters[7].Replace(' ', '_');
string excludedValues = string.Empty;
if (parameters.Count() == 9)
{
excludedValues = parameters[8];
}
// prepare parameters
SqlParameters sqlParameters = new SqlParameters
{
{ "@dataTable", SqlServerProbe.DataTableName(Convert.ToInt32(parameters[1]), metricGroup) },
{ "@dictionary", SqlServerProbe.DictTableName(Convert.ToInt32(parameters[1]), metricGroup) },
{ "@start_dt", SqlServerProbe.FormatDate(parameters[2]) },
{ "@end_dt", SqlServerProbe.FormatDate(parameters[3]) },
{ "@interval", parameters[4] },
{ "@metricColumn", metricColumn },
{ "@numOfRowsToReturn", numOfRowsToReturn },
{ "@exclusionColumn", exclusionColumn },
{ "@excludedValues", excludedValues }
};
// execute procedure and return results
if (metricGroup.isCumulative)
{
return(GetData(System.Data.CommandType.StoredProcedure, "dbo.GetRangeMultiRowFastCumulative", sqlParameters));
}
return(GetData(System.Data.CommandType.StoredProcedure, "dbo.GetRangeMultiRowFastNonCumulative", sqlParameters));
}