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client_v2.go
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client_v2.go
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/**
* Tencent is pleased to support the open source community by making Polaris available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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 service
import (
"context"
"go.uber.org/zap"
api "github.com/polarismesh/polaris/common/api/v1"
apiv2 "github.com/polarismesh/polaris/common/api/v2"
"github.com/polarismesh/polaris/common/utils"
)
// GetRoutingConfigWithCache User Client Get Service Routing Configuration Information
func (s *Server) GetRoutingConfigV2WithCache(ctx context.Context, req *apiv2.Service) *apiv2.DiscoverResponse {
if s.caches == nil {
return apiv2.NewDiscoverRoutingResponse(api.ClientAPINotOpen, req)
}
if req == nil {
return apiv2.NewDiscoverRoutingResponse(api.EmptyRequest, req)
}
if req.GetName() == "" {
return apiv2.NewDiscoverRoutingResponse(api.InvalidServiceName, req)
}
if req.GetNamespace() == "" {
return apiv2.NewDiscoverRoutingResponse(api.InvalidNamespaceName, req)
}
resp := apiv2.NewDiscoverRoutingResponse(api.ExecuteSuccess, nil)
resp.Service = &apiv2.Service{
Name: req.GetName(),
Namespace: req.GetNamespace(),
}
// 先从缓存获取ServiceID,这里返回的是源服务
svc := s.getServiceCache(req.GetName(), req.GetNamespace())
if svc == nil {
return apiv2.NewDiscoverRoutingResponse(api.NotFoundService, req)
}
out, err := s.caches.RoutingConfig().GetRoutingConfigV2(svc.ID, svc.Name, svc.Namespace)
if err != nil {
log.Error("[Server][Service][Routing] discover routing v2", utils.ZapRequestIDByCtx(ctx), zap.Error(err))
return apiv2.NewDiscoverRoutingResponse(api.ExecuteException, req)
}
if out == nil {
return resp
}
// // 获取路由数据,并对比revision
// if out.GetRevision() == req.GetRevision() {
// return apiv2.NewDiscoverRoutingResponse(api.DataNoChange, req)
// }
// 数据不一致,发生了改变
// 数据格式转换,service只需要返回二元组与routing的revision
resp.Service.Revision = utils.NewV2Revision()
resp.Routings = out
return resp
}
// GetCircuitBreakerWithCache Fuse configuration information for obtaining services for clients
func (s *Server) GetCircuitBreakerV2WithCache(ctx context.Context, req *apiv2.Service) *apiv2.DiscoverResponse {
return apiv2.NewDiscoverRoutingResponse(api.NotFoundService, req)
}