blob: 8c5577d7fe0df3b3a8354bf9e5f6f9839ea08e82 [file] [log] [blame]
// -
// ========================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 = &notFoundHandler{}
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)
}