gerrit.onap Code Review - ccsdk/cds.git/blob

   1 /*
   2  * Copyright © 2018-2019 AT&T Intellectual Property.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.ccsdk.cds.blueprintsprocessor.grpc.interceptor
  18
  19 import io.grpc.*
  20 import org.onap.ccsdk.cds.blueprintsprocessor.grpc.service.GrpcLoggerService
  21 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  22 import org.onap.ccsdk.cds.controllerblueprints.core.logger
  23 import org.onap.ccsdk.cds.controllerblueprints.management.api.BluePrintDownloadInput
  24 import org.onap.ccsdk.cds.controllerblueprints.management.api.BluePrintRemoveInput
  25 import org.onap.ccsdk.cds.controllerblueprints.management.api.BluePrintUploadInput
  26 import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput
  27 import org.slf4j.MDC
  28
  29 class GrpcServerLoggingInterceptor : ServerInterceptor {
  30     val log = logger(GrpcServerLoggingInterceptor::class)
  31     val loggingService = GrpcLoggerService()
  32
  33     override fun <ReqT : Any, RespT : Any> interceptCall(call: ServerCall<ReqT, RespT>,
  34                                                          requestHeaders: Metadata, next: ServerCallHandler<ReqT, RespT>)
  35             : ServerCall.Listener<ReqT> {
  36
  37         val forwardingServerCall = object : ForwardingServerCall.SimpleForwardingServerCall<ReqT, RespT>(call) {
  38             override fun sendHeaders(responseHeaders: Metadata) {
  39                 loggingService.grpResponding(requestHeaders, responseHeaders)
  40                 super.sendHeaders(responseHeaders)
  41             }
  42         }
  43
  44         return object
  45             : ForwardingServerCallListener.SimpleForwardingServerCallListener<ReqT>(
  46                 next.startCall(forwardingServerCall, requestHeaders)) {
  47
  48             override fun onMessage(message: ReqT) {
  49                 /** Get the requestId, SubRequestId and Originator Id and set in MDS context
  50                  *  If you are using other GRPC services, Implement own Logging Interceptors to get tracing.
  51                  * */
  52                 when (message) {
  53                     is ExecutionServiceInput -> {
  54                         val commonHeader = message.commonHeader
  55                                 ?: throw BluePrintProcessorException("missing common header in request")
  56                         loggingService.grpcRequesting(call, commonHeader, next)
  57                     }
  58                     is BluePrintUploadInput -> {
  59                         val commonHeader = message.commonHeader
  60                                 ?: throw BluePrintProcessorException("missing common header in request")
  61                         loggingService.grpcRequesting(call, commonHeader, next)
  62                     }
  63                     is BluePrintDownloadInput -> {
  64                         val commonHeader = message.commonHeader
  65                                 ?: throw BluePrintProcessorException("missing common header in request")
  66                         loggingService.grpcRequesting(call, commonHeader, next)
  67                     }
  68                     is BluePrintRemoveInput -> {
  69                         val commonHeader = message.commonHeader
  70                                 ?: throw BluePrintProcessorException("missing common header in request")
  71                         loggingService.grpcRequesting(call, commonHeader, next)
  72                     }
  73                     else -> {
  74                         loggingService.grpcRequesting(call, requestHeaders, next)
  75                     }
  76                 }
  77                 super.onMessage(message)
  78             }
  79
  80             override fun onComplete() {
  81                 MDC.clear()
  82                 super.onComplete()
  83             }
  84
  85             override fun onCancel() {
  86                 MDC.clear()
  87                 super.onCancel()
  88             }
  89
  90         }
  91     }
  92 }