forked from networkservicemesh/networkservicemesh
/
monitor_service.go
66 lines (54 loc) · 2.05 KB
/
monitor_service.go
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// Copyright (c) 2019 Cisco and/or its affiliates.
//
// 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 common
import (
"github.com/pkg/errors"
"github.com/golang/protobuf/ptypes/empty"
"github.com/sirupsen/logrus"
"golang.org/x/net/context"
"github.com/networkservicemesh/networkservicemesh/controlplane/api/connection"
"github.com/networkservicemesh/networkservicemesh/controlplane/api/networkservice"
"github.com/networkservicemesh/networkservicemesh/sdk/monitor/connectionmonitor"
)
type monitorService struct {
monitor connectionmonitor.MonitorServer
}
// NewMonitorService - Perform updates to workspace monitoring services.
func NewMonitorService(monitor connectionmonitor.MonitorServer) networkservice.NetworkServiceServer {
return &monitorService{
monitor: monitor,
}
}
func (srv *monitorService) Request(ctx context.Context, request *networkservice.NetworkServiceRequest) (*connection.Connection, error) {
ctx = WithConnectionMonitor(ctx, srv.monitor)
conn, err := ProcessNext(ctx, request)
if err == nil {
srv.monitor.Update(ctx, conn)
}
return conn, err
}
func (srv *monitorService) Close(ctx context.Context, connection *connection.Connection) (*empty.Empty, error) {
logrus.Infof("Closing connection: %v", connection)
// Pass model connection with context
ctx = WithConnectionMonitor(ctx, srv.monitor)
conn, err := ProcessClose(ctx, connection)
if srv.monitor == nil {
return nil, errors.New("can not close nil monitor")
}
// We send update if conn != nil
if conn != nil {
srv.monitor.Delete(ctx, connection)
}
return conn, err
}