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server.go
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server.go
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// Copyright 2019-present Open Networking Foundation.
//
// 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 broker
import (
"context"
brokerapi "github.com/atomix/atomix-api/go/atomix/management/broker"
"github.com/atomix/atomix-go-framework/pkg/atomix/errors"
"sync"
)
func NewServer(primitives *PrimitiveRegistry) *Server {
return &Server{
primitives: primitives,
}
}
type Server struct {
primitives *PrimitiveRegistry
mu sync.RWMutex
}
func (s *Server) RegisterPrimitive(ctx context.Context, request *brokerapi.RegisterPrimitiveRequest) (*brokerapi.RegisterPrimitiveResponse, error) {
log.Debugf("Received RegisterPrimitiveRequest %+v", request)
s.mu.Lock()
defer s.mu.Unlock()
if err := s.primitives.AddPrimitive(request.PrimitiveID, request.Address); err != nil && !errors.IsAlreadyExists(err) {
log.Warnf("RegisterPrimitiveRequest %+v failed: %v", request, err)
return nil, errors.Proto(err)
}
response := &brokerapi.RegisterPrimitiveResponse{}
log.Debugf("Sending RegisterPrimitiveResponse %+v", response)
return response, nil
}
func (s *Server) UnregisterPrimitive(ctx context.Context, request *brokerapi.UnregisterPrimitiveRequest) (*brokerapi.UnregisterPrimitiveResponse, error) {
log.Debugf("Received UnregisterPrimitiveRequest %+v", request)
s.mu.Lock()
defer s.mu.Unlock()
if err := s.primitives.RemovePrimitive(request.PrimitiveID); err != nil && !errors.IsNotFound(err) {
log.Warnf("UnregisterPrimitiveRequest %+v failed: %v", request, err)
return nil, errors.Proto(err)
}
response := &brokerapi.UnregisterPrimitiveResponse{}
log.Debugf("Sending UnregisterPrimitiveResponse %+v", response)
return response, nil
}
func (s *Server) LookupPrimitive(ctx context.Context, request *brokerapi.LookupPrimitiveRequest) (*brokerapi.LookupPrimitiveResponse, error) {
log.Debugf("Received LookupPrimitiveRequest %+v", request)
s.mu.RLock()
defer s.mu.RUnlock()
// Get the primitive configuration from the primitive registry
address, err := s.primitives.LookupPrimitive(request.PrimitiveID)
if err != nil {
log.Warnf("LookupPrimitiveRequest %+v failed: %v", request, err)
return nil, errors.Proto(err)
}
// Respond with the driver connection info
response := &brokerapi.LookupPrimitiveResponse{
Address: address,
}
log.Debugf("Sending LookupPrimitiveResponse %+v", response)
return response, nil
}
var _ brokerapi.BrokerServer = &Server{}