Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 1 | /* |
| 2 | Copyright 2017 the original author or authors. |
| 3 | |
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | you may not use this file except in compliance with the License. |
| 6 | You may obtain a copy of the License at |
| 7 | |
| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | Unless required by applicable law or agreed to in writing, software |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | See the License for the specific language governing permissions and |
| 14 | limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package openflow |
| 18 | |
| 19 | import ( |
| 20 | "context" |
| 21 | "encoding/json" |
Don Newton | 7577f07 | 2020-01-06 12:41:11 -0500 | [diff] [blame^] | 22 | |
| 23 | "github.com/opencord/ofagent-go/settings" |
Don Newton | b437c6f | 2019-12-18 11:51:57 -0500 | [diff] [blame] | 24 | |
| 25 | ofp "github.com/donNewtonAlpha/goloxi/of13" |
Don Newton | 7577f07 | 2020-01-06 12:41:11 -0500 | [diff] [blame^] | 26 | l "github.com/opencord/voltha-lib-go/v2/pkg/log" |
Don Newton | b437c6f | 2019-12-18 11:51:57 -0500 | [diff] [blame] | 27 | "github.com/opencord/voltha-protos/v2/go/common" |
| 28 | pb "github.com/opencord/voltha-protos/v2/go/voltha" |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 29 | ) |
| 30 | |
Don Newton | 7577f07 | 2020-01-06 12:41:11 -0500 | [diff] [blame^] | 31 | func handleFeatureRequest(request *ofp.FeaturesRequest, DeviceID string, client *Client) error { |
| 32 | if settings.GetDebug(DeviceID) { |
| 33 | js, _ := json.Marshal(request) |
| 34 | logger.Debugw("handleFeatureRequest called", l.Fields{"DeviceID": DeviceID, "request": js}) |
| 35 | } |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 36 | var grpcClient = *getGrpcClient() |
Don Newton | 7577f07 | 2020-01-06 12:41:11 -0500 | [diff] [blame^] | 37 | var id = common.ID{Id: DeviceID} |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 38 | logicalDevice, err := grpcClient.GetLogicalDevice(context.Background(), &id) |
| 39 | reply := createFeaturesRequestReply(request.GetXid(), logicalDevice) |
Don Newton | 7577f07 | 2020-01-06 12:41:11 -0500 | [diff] [blame^] | 40 | |
| 41 | if settings.GetDebug(DeviceID) { |
| 42 | js, _ := json.Marshal(reply) |
| 43 | logger.Debugw("handleFeatureRequestReturn", l.Fields{"DeviceID": DeviceID, "reply": js}) |
| 44 | } |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 45 | err = client.SendMessage(reply) |
| 46 | return err |
| 47 | } |
| 48 | func createFeaturesRequestReply(xid uint32, device *pb.LogicalDevice) *ofp.FeaturesReply { |
| 49 | |
| 50 | featureReply := ofp.NewFeaturesReply() |
Don Newton | e0d34a8 | 2019-11-14 10:58:06 -0500 | [diff] [blame] | 51 | featureReply.SetVersion(4) |
Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 52 | featureReply.SetXid(xid) |
| 53 | features := device.GetSwitchFeatures() |
| 54 | featureReply.SetDatapathId(device.GetDatapathId()) |
| 55 | featureReply.SetNBuffers(features.GetNBuffers()) |
| 56 | featureReply.SetNTables(uint8(features.GetNTables())) |
| 57 | featureReply.SetAuxiliaryId(uint8(features.GetAuxiliaryId())) |
| 58 | capabilities := features.GetCapabilities() |
| 59 | featureReply.SetCapabilities(ofp.Capabilities(capabilities)) |
| 60 | return featureReply |
| 61 | } |