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127 lines
3.3 KiB
Go
127 lines
3.3 KiB
Go
/*
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Copyright 2017 The KUAR Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package memqserver
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import (
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"io/ioutil"
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"net/http"
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"github.com/julienschmidt/httprouter"
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"github.com/kubernetes-up-and-running/kuard/pkg/apiutils"
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)
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type Server struct {
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broker *Broker
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}
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func NewServer() *Server {
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return &Server{
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broker: NewBroker(),
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}
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}
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func (s *Server) AddRoutes(router *httprouter.Router, base string) {
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router.GET(base+"/stats", s.GetStats)
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router.PUT(base+"/queues/:queue", s.CreateQueue)
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router.DELETE(base+"/queues/:queue", s.DeleteQueue)
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router.POST(base+"/queues/:queue/drain", s.DrainQueue)
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router.POST(base+"/queues/:queue/dequeue", s.Dequeue)
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router.POST(base+"/queues/:queue/enqueue", s.Enqueue)
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}
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func (s *Server) CreateQueue(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
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qName := p.ByName("queue")
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if len(qName) == 0 {
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http.Error(w, ErrEmptyName.Error(), http.StatusBadRequest)
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return
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}
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err := s.broker.CreateQueue(qName)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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}
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}
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func (s *Server) DeleteQueue(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
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qName := p.ByName("queue")
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if len(qName) == 0 {
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http.Error(w, ErrEmptyName.Error(), http.StatusBadRequest)
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return
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}
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err := s.broker.DeleteQueue(qName)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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}
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}
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func (s *Server) DrainQueue(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
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qName := p.ByName("queue")
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if len(qName) == 0 {
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http.Error(w, ErrEmptyName.Error(), http.StatusBadRequest)
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return
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}
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err := s.broker.DrainQueue(qName)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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}
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}
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func (s *Server) Enqueue(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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qName := p.ByName("queue")
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if len(qName) == 0 {
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http.Error(w, ErrEmptyName.Error(), http.StatusBadRequest)
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return
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}
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msg, err := s.broker.PutMessage(qName, string(body))
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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apiutils.ServeJSON(w, msg)
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}
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func (s *Server) Dequeue(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
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qName := p.ByName("queue")
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if len(qName) == 0 {
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http.Error(w, ErrEmptyName.Error(), http.StatusBadRequest)
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return
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}
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m, err := s.broker.GetMessage(qName)
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if err == ErrEmptyQueue {
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w.WriteHeader(http.StatusNoContent)
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return
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} else if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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apiutils.ServeJSON(w, &m)
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}
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func (s *Server) GetStats(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
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stats := s.broker.Stats()
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apiutils.ServeJSON(w, &stats)
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}
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