forked from cisco-app-networking/networkservicemesh
/
workspace_service.go
68 lines (56 loc) · 2.43 KB
/
workspace_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 local
import (
"github.com/golang/protobuf/ptypes/empty"
"github.com/sirupsen/logrus"
"golang.org/x/net/context"
mechanismCommon "github.com/adodon2go/networkservicemesh/controlplane/api/connection/mechanisms/common"
"github.com/adodon2go/networkservicemesh/controlplane/pkg/common"
"github.com/adodon2go/networkservicemesh/controlplane/api/connection"
"github.com/adodon2go/networkservicemesh/controlplane/api/networkservice"
)
type workspaceProviderService struct {
name string
}
// NewWorkspaceService - creates a service to update workspace information for request
func NewWorkspaceService(name string) networkservice.NetworkServiceServer {
return &workspaceProviderService{
name: name,
}
}
func (srv *workspaceProviderService) Request(ctx context.Context, request *networkservice.NetworkServiceRequest) (*connection.Connection, error) {
logrus.Infof("Received request from client to connect to NetworkService: %v", request)
srv.updateMechanisms(request)
ctx = common.WithWorkspaceName(ctx, srv.name)
result, err := common.ProcessNext(ctx, request)
if result != nil {
// Remove workspace field since clients doesn't require them.
delete(result.GetMechanism().GetParameters(), mechanismCommon.Workspace)
}
return result, err
}
func (srv *workspaceProviderService) updateMechanisms(request *networkservice.NetworkServiceRequest) {
// Update passed local mechanism parameters to contains a workspace name
for _, mechanism := range request.MechanismPreferences {
if mechanism.Parameters == nil {
mechanism.Parameters = map[string]string{}
}
mechanism.Parameters[mechanismCommon.Workspace] = srv.name
}
}
func (srv *workspaceProviderService) Close(ctx context.Context, connection *connection.Connection) (*empty.Empty, error) {
ctx = common.WithWorkspaceName(ctx, srv.name)
return common.ProcessClose(ctx, connection)
}