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restapi.go
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restapi.go
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/*******************************************************************************
* Copyright 2017 Samsung Electronics All Rights Reserved.
*
* 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 api provides web server for pharos-node
// and also provides functionality of request processing and response making.
package api
import (
"api/common"
configurationapi "api/configuration"
deploymentapi "api/deployment"
deviceapi "api/device"
healthapi "api/health"
resourceapi "api/monitoring/resource"
notificationapi "api/notification"
"commons/errors"
"commons/logger"
"commons/url"
"net/http"
"strconv"
"strings"
)
// Starting Web server service with address and port.
func RunNodeWebServer(addr string, port int) {
logger.Logging(logger.DEBUG, "Start Pharos Node Web Server")
logger.Logging(logger.DEBUG, "Listening "+addr+":"+strconv.Itoa(port))
http.ListenAndServe(addr+":"+strconv.Itoa(port), &NodeAPIs)
}
var deploymentAPIExecutor deploymentapi.Command
var healthAPIExecutor healthapi.Command
var resourceAPIExecutor resourceapi.Command
var configurationAPIExecutor configurationapi.Command
var deviceAPIExecutor deviceapi.Command
var notificationAPIExecutor notificationapi.Command
var NodeAPIs Executor
type Executor struct{}
func init() {
deploymentAPIExecutor = deploymentapi.Executor{}
healthAPIExecutor = healthapi.Executor{}
resourceAPIExecutor = resourceapi.Executor{}
configurationAPIExecutor = configurationapi.Executor{}
deviceAPIExecutor = deviceapi.Executor{}
notificationAPIExecutor = notificationapi.Executor{}
}
// Implements of http serve interface.
// All of request is handled by this function.
func (Executor) ServeHTTP(w http.ResponseWriter, req *http.Request) {
logger.Logging(logger.DEBUG, "receive msg", req.Method, req.URL.Path)
defer logger.Logging(logger.DEBUG, "OUT")
switch reqUrl := req.URL.Path; {
default:
logger.Logging(logger.DEBUG, "Unknown URL")
common.MakeErrorResponse(w, errors.NotFoundURL{reqUrl})
case !(strings.Contains(reqUrl, (url.Base()+url.Management())) ||
strings.Contains(reqUrl, (url.Base()+url.Monitoring())) ||
strings.Contains(reqUrl, (url.Base()+url.Notification()))):
logger.Logging(logger.DEBUG, "Unknown URL")
common.MakeErrorResponse(w, errors.NotFoundURL{reqUrl})
case strings.Contains(reqUrl, url.Unregister()):
healthAPIExecutor.Handle(w, req)
case strings.Contains(reqUrl, url.Management()) &&
strings.Contains(reqUrl, url.Apps()):
deploymentAPIExecutor.Handle(w, req)
case strings.Contains(reqUrl, url.Resource()):
resourceAPIExecutor.Handle(w, req)
case strings.Contains(reqUrl, url.Configuration()):
configurationAPIExecutor.Handle(w, req)
case strings.Contains(reqUrl, url.Device()):
deviceAPIExecutor.Handle(w, req)
case strings.Contains(reqUrl, url.Notification()):
notificationAPIExecutor.Handle(w, req)
}
}