2 // Copyright 2019 AT&T Intellectual Property
3 // Copyright 2019 Nokia
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
21 "e2mgr/e2managererrors"
24 "e2mgr/providers/httpmsghandlerprovider"
31 type IE2TController interface {
32 GetE2TInstances(writer http.ResponseWriter, r *http.Request)
35 type E2TController struct {
37 handlerProvider *httpmsghandlerprovider.IncomingRequestHandlerProvider
40 func NewE2TController(logger *logger.Logger, handlerProvider *httpmsghandlerprovider.IncomingRequestHandlerProvider) *E2TController {
41 return &E2TController{
43 handlerProvider: handlerProvider,
47 func (c *E2TController) GetE2TInstances(writer http.ResponseWriter, r *http.Request) {
48 c.logger.Infof("[Client -> E2 Manager] #E2TController.GetE2TInstances - request: %v", c.prettifyRequest(r))
49 c.handleRequest(writer, &r.Header, httpmsghandlerprovider.GetE2TInstancesRequest, nil, false)
52 func (c *E2TController) handleRequest(writer http.ResponseWriter, header *http.Header, requestName httpmsghandlerprovider.IncomingRequest, request models.Request, validateHeader bool) {
54 handler, err := c.handlerProvider.GetHandler(requestName)
57 c.handleErrorResponse(err, writer)
61 response, err := handler.Handle(request)
64 c.handleErrorResponse(err, writer)
68 result, err := response.Marshal()
71 c.handleErrorResponse(err, writer)
75 c.logger.Infof("[E2 Manager -> Client] #E2TController.handleRequest - response: %s", result)
76 writer.Header().Set("Content-Type", "application/json")
80 func (c *E2TController) handleErrorResponse(err error, writer http.ResponseWriter) {
82 var errorResponseDetails models.ErrorResponse
87 case *e2managererrors.RnibDbError:
88 e2Error, _ := err.(*e2managererrors.RnibDbError)
89 errorResponseDetails = models.ErrorResponse{Code: e2Error.Code, Message: e2Error.Message}
90 httpError = http.StatusInternalServerError
92 e2Error := e2managererrors.NewInternalError()
93 errorResponseDetails = models.ErrorResponse{Code: e2Error.Code, Message: e2Error.Message}
94 httpError = http.StatusInternalServerError
98 errorResponse, _ := json.Marshal(errorResponseDetails)
100 c.logger.Errorf("[E2 Manager -> Client] #E2TController.handleErrorResponse - http status: %d, error response: %+v", httpError, errorResponseDetails)
102 writer.Header().Set("Content-Type", "application/json")
103 writer.WriteHeader(httpError)
104 _, err = writer.Write(errorResponse)
107 func (c *E2TController) prettifyRequest(request *http.Request) string {
108 dump, _ := httputil.DumpRequest(request, true)
109 requestPrettyPrint := strings.Replace(string(dump), "\r\n", " ", -1)
110 return strings.Replace(requestPrettyPrint, "\n", "", -1)