| // - |
| // ========================LICENSE_START================================= |
| // O-RAN-SC |
| // %% |
| // Copyright (C) 2021: Nordix 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. |
| // ========================LICENSE_END=================================== |
| // |
| |
| package server |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "io/ioutil" |
| "net/http" |
| |
| "github.com/gorilla/mux" |
| log "github.com/sirupsen/logrus" |
| "oransc.org/nonrtric/dmaapmediatorproducer/internal/jobs" |
| ) |
| |
| const StatusPath = "/status" |
| const AddJobPath = "/jobs" |
| const jobIdToken = "infoJobId" |
| const deleteJobPath = AddJobPath + "/{" + jobIdToken + "}" |
| const logLevelToken = "level" |
| const logAdminPath = "/admin/log" |
| |
| type ProducerCallbackHandler struct { |
| jobsManager jobs.JobsManager |
| } |
| |
| func NewProducerCallbackHandler(jm jobs.JobsManager) *ProducerCallbackHandler { |
| return &ProducerCallbackHandler{ |
| jobsManager: jm, |
| } |
| } |
| |
| func NewRouter(jm jobs.JobsManager) *mux.Router { |
| callbackHandler := NewProducerCallbackHandler(jm) |
| r := mux.NewRouter() |
| r.HandleFunc(StatusPath, statusHandler).Methods(http.MethodGet).Name("status") |
| r.HandleFunc(AddJobPath, callbackHandler.addInfoJobHandler).Methods(http.MethodPost).Name("add") |
| r.HandleFunc(deleteJobPath, callbackHandler.deleteInfoJobHandler).Methods(http.MethodDelete).Name("delete") |
| r.HandleFunc(logAdminPath, callbackHandler.setLogLevel).Methods(http.MethodPut).Name("setLogLevel") |
| r.NotFoundHandler = ¬FoundHandler{} |
| r.MethodNotAllowedHandler = &methodNotAllowedHandler{} |
| return r |
| } |
| |
| func statusHandler(w http.ResponseWriter, r *http.Request) { |
| // Just respond OK to show the server is alive for now. Might be extended later. |
| } |
| |
| func (h *ProducerCallbackHandler) addInfoJobHandler(w http.ResponseWriter, r *http.Request) { |
| b, readErr := ioutil.ReadAll(r.Body) |
| if readErr != nil { |
| http.Error(w, fmt.Sprintf("Unable to read body due to: %v", readErr), http.StatusBadRequest) |
| return |
| } |
| jobInfo := jobs.JobInfo{} |
| if unmarshalErr := json.Unmarshal(b, &jobInfo); unmarshalErr != nil { |
| http.Error(w, fmt.Sprintf("Invalid json body. Cause: %v", unmarshalErr), http.StatusBadRequest) |
| return |
| } |
| if err := h.jobsManager.AddJobFromRESTCall(jobInfo); err != nil { |
| http.Error(w, fmt.Sprintf("Invalid job info. Cause: %v", err), http.StatusBadRequest) |
| } |
| } |
| |
| func (h *ProducerCallbackHandler) deleteInfoJobHandler(w http.ResponseWriter, r *http.Request) { |
| vars := mux.Vars(r) |
| id, ok := vars[jobIdToken] |
| if !ok { |
| http.Error(w, "Must provide infoJobId.", http.StatusBadRequest) |
| return |
| } |
| |
| h.jobsManager.DeleteJobFromRESTCall(id) |
| } |
| |
| func (h *ProducerCallbackHandler) setLogLevel(w http.ResponseWriter, r *http.Request) { |
| query := r.URL.Query() |
| logLevelStr := query.Get(logLevelToken) |
| if loglevel, err := log.ParseLevel(logLevelStr); err == nil { |
| log.SetLevel(loglevel) |
| } else { |
| http.Error(w, fmt.Sprintf("Invalid log level: %v. Log level will not be changed!", logLevelStr), http.StatusBadRequest) |
| return |
| } |
| } |
| |
| type notFoundHandler struct{} |
| |
| func (h *notFoundHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { |
| http.Error(w, "404 not found.", http.StatusNotFound) |
| } |
| |
| type methodNotAllowedHandler struct{} |
| |
| func (h *methodNotAllowedHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { |
| http.Error(w, "Method is not supported.", http.StatusMethodNotAllowed) |
| } |