| /* |
| * Copyright 2022-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 onosnbi |
| |
| import ( |
| "context" |
| "encoding/json" |
| "net/http" |
| "strconv" |
| app "voltha-go-controller/internal/pkg/controller" |
| "voltha-go-controller/log" |
| |
| "github.com/gorilla/mux" |
| ) |
| |
| type MetersHandle struct { |
| } |
| |
| func init() { |
| // Setup this package so that it's log level can be modified at run time |
| var err error |
| logger, err = log.AddPackageWithDefaultParam() |
| if err != nil { |
| panic(err) |
| } |
| } |
| |
| // ServeHTTP to serve http request |
| func (mh *MetersHandle) MeterServeHTTP(w http.ResponseWriter, r *http.Request) { |
| logger.Infow(ctx, "Received-northbound-request", log.Fields{"Method": r.Method, "URL": r.URL}) |
| vars := mux.Vars(r) |
| meterID := vars["id"] |
| |
| switch r.Method { |
| case cGet: |
| if meterID != "" { |
| logger.Warnw(ctx, "Calling GetMeter method", log.Fields{"MeterId": meterID}) |
| mh.GetMeter(context.Background(), meterID, w, r) |
| } else { |
| mh.GetAllMeters(context.Background(), w, r) |
| } |
| |
| default: |
| logger.Warnw(ctx, "Unsupported Method", log.Fields{"Method": r.Method}) |
| } |
| } |
| |
| func (mh *MetersHandle) GetMeter(cntx context.Context, meterID string, w http.ResponseWriter, r *http.Request) { |
| logger.Info(cntx, "Inside GetMeter method") |
| meterListResp := MeterList{} |
| meterListResp.Meters = []Meters{} |
| mID, err := strconv.ParseUint(meterID, 10, 32) |
| if err != nil { |
| logger.Errorw(ctx, "Failed to parse string to uint32", log.Fields{"Reason": err.Error()}) |
| } |
| id := uint32(mID) |
| logger.Infow(ctx, "Meter Id", log.Fields{"metreId": id}) |
| meterInfo, err := app.GetController().GetMeterInfo(cntx, id) |
| if err != nil { |
| logger.Errorw(ctx, "Failed to get meter info", log.Fields{"Reason": err.Error()}) |
| w.WriteHeader(http.StatusNotFound) |
| } |
| |
| for deviceID, meter := range meterInfo { |
| meterResp := mh.MeterObjectMapping(meter, deviceID) |
| meterListResp.Meters = append(meterListResp.Meters, meterResp) |
| } |
| MeterRespJSON, err := json.Marshal(meterListResp) |
| if err != nil { |
| logger.Errorw(ctx, "Error occurred while marshaling meter response", log.Fields{"Error": err}) |
| w.WriteHeader(http.StatusInternalServerError) |
| return |
| } |
| w.Header().Add("Content-Type", "application/json") |
| _, err = w.Write(MeterRespJSON) |
| if err != nil { |
| logger.Errorw(ctx, "error in sending meter response", log.Fields{"Error": err}) |
| w.WriteHeader(http.StatusInternalServerError) |
| } |
| } |
| |
| func (mh *MetersHandle) GetAllMeters(cntx context.Context, w http.ResponseWriter, r *http.Request) { |
| logger.Info(cntx, "Inside GetAllMeters method") |
| metersList := MeterList{} |
| metersList.Meters = []Meters{} |
| meterInfo, err := app.GetController().GetAllMeterInfo() |
| if err != nil { |
| logger.Errorw(ctx, "Failed to get meter info", log.Fields{"Reason": err.Error()}) |
| w.WriteHeader(http.StatusNotFound) |
| } |
| for deviceID, meters := range meterInfo { |
| for _, meter := range meters { |
| mtr := mh.MeterObjectMapping(meter, deviceID) |
| metersList.Meters = append(metersList.Meters, mtr) |
| } |
| } |
| MeterRespJSON, err := json.Marshal(metersList) |
| if err != nil { |
| logger.Errorw(ctx, "Error occurred while marshaling meter response", log.Fields{"Error": err}) |
| w.WriteHeader(http.StatusInternalServerError) |
| return |
| } |
| w.Header().Add("Content-Type", "application/json") |
| _, err = w.Write(MeterRespJSON) |
| if err != nil { |
| logger.Errorw(ctx, "error in sending meter response", log.Fields{"Error": err}) |
| w.WriteHeader(http.StatusInternalServerError) |
| } |
| } |