First commit

setup/e2mgr/E2Manager/services/rmrreceiver/rmr_receiver.go

@@ -0,0 +1,58 @@
+//
+// Copyright 2019 AT&T Intellectual Property
+// Copyright 2019 Nokia
+//
+// 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.
+
+//  This source code is part of the near-RT RIC (RAN Intelligent Controller)
+//  platform project (RICP).
+
+
+package rmrreceiver
+
+import (
+	"e2mgr/logger"
+	"e2mgr/managers/notificationmanager"
+	"e2mgr/rmrCgo"
+)
+
+type RmrReceiver struct {
+	logger    *logger.Logger
+	nManager  *notificationmanager.NotificationManager
+	messenger rmrCgo.RmrMessenger
+}
+
+func NewRmrReceiver(logger *logger.Logger, messenger rmrCgo.RmrMessenger, nManager *notificationmanager.NotificationManager) *RmrReceiver {
+	return &RmrReceiver{
+		logger:    logger,
+		nManager:  nManager,
+		messenger: messenger,
+	}
+}
+
+func (r *RmrReceiver) ListenAndHandle() {
+
+	for {
+		mbuf, err := r.messenger.RecvMsg()
+
+		if err != nil {
+			r.logger.Errorf("#RmrReceiver.ListenAndHandle - error: %s", err)
+			continue
+		}
+
+		r.logger.Debugf("#RmrReceiver.ListenAndHandle - Going to handle received message: %#v\n", mbuf)
+
+		// TODO: go routine?
+		_ = r.nManager.HandleMessage(mbuf)
+	}
+}

setup/e2mgr/E2Manager/services/rmrreceiver/rmr_receiver_test.go

@@ -0,0 +1,80 @@
+//
+// Copyright 2019 AT&T Intellectual Property
+// Copyright 2019 Nokia
+//
+// 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.
+
+//  This source code is part of the near-RT RIC (RAN Intelligent Controller)
+//  platform project (RICP).
+
+
+package rmrreceiver
+
+import (
+	"e2mgr/clients"
+	"e2mgr/configuration"
+	"e2mgr/logger"
+	"e2mgr/managers"
+	"e2mgr/managers/notificationmanager"
+	"e2mgr/mocks"
+	"e2mgr/providers/rmrmsghandlerprovider"
+	"e2mgr/rmrCgo"
+	"e2mgr/services"
+	"e2mgr/services/rmrsender"
+	"e2mgr/tests"
+	"fmt"
+	"testing"
+	"time"
+)
+
+func TestListenAndHandle(t *testing.T) {
+	log, err := logger.InitLogger(logger.DebugLevel)
+	if err != nil {
+		t.Errorf("#rmr_service_test.TestListenAndHandle - failed to initialize logger, error: %s", err)
+	}
+	rmrReceiver := initRmrReceiver(log)
+	go rmrReceiver.ListenAndHandle()
+	time.Sleep(time.Microsecond * 10)
+}
+
+func initRmrMessenger(log *logger.Logger) rmrCgo.RmrMessenger {
+	rmrMessengerMock := &mocks.RmrMessengerMock{}
+	rmrMessenger := rmrCgo.RmrMessenger(rmrMessengerMock)
+	rmrMessengerMock.On("Init", tests.GetPort(), tests.MaxMsgSize, tests.Flags, log).Return(&rmrMessenger)
+
+	// TODO: that's not good since we don't actually test anything. if the error is populated then the loop will just continue and it's sort of a "workaround" for that method to be called
+	var buf *rmrCgo.MBuf
+	e := fmt.Errorf("test error")
+	rmrMessengerMock.On("RecvMsg").Return(buf, e)
+	return rmrMessenger
+}
+
+func initRmrReceiver(logger *logger.Logger) *RmrReceiver {
+	config := &configuration.Configuration{RnibRetryIntervalMs: 10, MaxRnibConnectionAttempts: 3}
+
+	readerMock := &mocks.RnibReaderMock{}
+	writerMock := &mocks.RnibWriterMock{}
+	httpClient := &mocks.HttpClientMock{}
+
+	rnibDataService := services.NewRnibDataService(logger, config, readerMock, writerMock)
+	rmrMessenger := initRmrMessenger(logger)
+	rmrSender := rmrsender.NewRmrSender(logger, rmrMessenger)
+	ranSetupManager := managers.NewRanSetupManager(logger, rmrSender, rnibDataService)
+	e2tInstancesManager := managers.NewE2TInstancesManager(rnibDataService, logger)
+	routingManagerClient := clients.NewRoutingManagerClient(logger, config, httpClient)
+	e2tAssociationManager := managers.NewE2TAssociationManager(logger, rnibDataService, e2tInstancesManager, routingManagerClient)
+	rmrNotificationHandlerProvider := rmrmsghandlerprovider.NewNotificationHandlerProvider()
+	rmrNotificationHandlerProvider.Init(logger, config, rnibDataService, rmrSender, ranSetupManager, e2tInstancesManager, routingManagerClient, e2tAssociationManager)
+	notificationManager := notificationmanager.NewNotificationManager(logger, rmrNotificationHandlerProvider)
+	return NewRmrReceiver(logger, rmrMessenger, notificationManager)
+}