first draft for lcr docs

engine/calldesc.go

@@ -676,7 +676,11 @@ func (cd *CallDescriptor) GetLCR(stats StatsInterface) (LCRCost, error) {
 	if err != nil {
 		return nil, err
 	}
+	// sort by activation time
 	lcr.Sort()
+
+	// find if one ore more entries apply to this cd (create lcr timespans)
+	// create timespans and attach lcr entries to them
 	lcrCost := LCRCost{&LCRTimeSpan{StartTime: cd.TimeStart}}
 	for _, lcrActivation := range lcr.Activations {
 		//log.Printf("Activation: %+v", lcrActivation)

engine/lcr_test.go

@@ -183,6 +183,8 @@ func TestLcrGet(t *testing.T) {
 		Subject:     "rif",
 	}
 	lcrs, err := cd.GetLCR(nil)
+	//lcr, _ := json.Marshal(lcrs[0])
+	//log.Print("LCR: ", string(lcr))
 	if err != nil || len(lcrs) != 1 {
 		t.Errorf("Bad lcr: %+v, %v", lcrs, err)
 	}