VOL-3936: Remove voltha-lib-go circular dependency between the
ponresourcemanager and techprofile module
Change-Id: Iccbce27cd3cd6582336507619dc6a16cb337a43e
diff --git a/vendor/github.com/opencord/voltha-lib-go/v6/pkg/meters/meter_utils.go b/vendor/github.com/opencord/voltha-lib-go/v6/pkg/meters/meter_utils.go
new file mode 100644
index 0000000..c3ccba1
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v6/pkg/meters/meter_utils.go
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package meters
+
+import (
+ "context"
+ "fmt"
+ "github.com/opencord/voltha-lib-go/v6/pkg/log"
+ ofp "github.com/opencord/voltha-protos/v4/go/openflow_13"
+ tp_pb "github.com/opencord/voltha-protos/v4/go/tech_profile"
+)
+
+// GetTrafficShapingInfo returns CIR,PIR and GIR values
+func GetTrafficShapingInfo(ctx context.Context, meterConfig *ofp.OfpMeterConfig) (*tp_pb.TrafficShapingInfo, error) {
+ switch meterBandSize := len(meterConfig.Bands); {
+ case meterBandSize == 1:
+ band := meterConfig.Bands[0]
+ if band.BurstSize == 0 { // GIR, tcont type 1
+ return &tp_pb.TrafficShapingInfo{Gir: band.Rate}, nil
+ }
+ return &tp_pb.TrafficShapingInfo{Pir: band.Rate, Pbs: band.BurstSize}, nil // PIR, tcont type 4
+ case meterBandSize == 2:
+ firstBand, secondBand := meterConfig.Bands[0], meterConfig.Bands[1]
+ if firstBand.BurstSize == 0 && secondBand.BurstSize == 0 &&
+ firstBand.Rate == secondBand.Rate { // PIR == GIR, tcont type 1
+ return &tp_pb.TrafficShapingInfo{Pir: firstBand.Rate, Gir: secondBand.Rate}, nil
+ }
+ if firstBand.BurstSize > 0 && secondBand.BurstSize > 0 { // PIR, CIR, tcont type 2 or 3
+ if firstBand.Rate > secondBand.Rate { // always PIR >= CIR
+ return &tp_pb.TrafficShapingInfo{Pir: firstBand.Rate, Pbs: firstBand.BurstSize, Cir: secondBand.Rate, Cbs: secondBand.BurstSize}, nil
+ }
+ return &tp_pb.TrafficShapingInfo{Pir: secondBand.Rate, Pbs: secondBand.BurstSize, Cir: firstBand.Rate, Cbs: firstBand.BurstSize}, nil
+ }
+ case meterBandSize == 3: // PIR,CIR,GIR, tcont type 5
+ var count, girIndex int
+ for i, band := range meterConfig.Bands {
+ if band.BurstSize == 0 { // find GIR
+ count = count + 1
+ girIndex = i
+ }
+ }
+ if count == 1 {
+ bands := make([]*ofp.OfpMeterBandHeader, len(meterConfig.Bands))
+ copy(bands, meterConfig.Bands)
+ pirCirBands := append(bands[:girIndex], bands[girIndex+1:]...)
+ firstBand, secondBand := pirCirBands[0], pirCirBands[1]
+ if firstBand.Rate > secondBand.Rate {
+ return &tp_pb.TrafficShapingInfo{Pir: firstBand.Rate, Pbs: firstBand.BurstSize, Cir: secondBand.Rate, Cbs: secondBand.BurstSize, Gir: meterConfig.Bands[girIndex].Rate}, nil
+ }
+ return &tp_pb.TrafficShapingInfo{Pir: secondBand.Rate, Pbs: secondBand.BurstSize, Cir: firstBand.Rate, Cbs: firstBand.BurstSize, Gir: meterConfig.Bands[girIndex].Rate}, nil
+ }
+ default:
+ logger.Errorw(ctx, "invalid-meter-config", log.Fields{"meter-config": meterConfig})
+ return nil, fmt.Errorf("invalid-meter-config: %v", meterConfig)
+ }
+ return nil, fmt.Errorf("invalid-meter-config: %v", meterConfig)
+}