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naming_response.go
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naming_response.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 v1
import (
"github.com/golang/protobuf/proto"
"github.com/golang/protobuf/ptypes/wrappers"
apiconfig "github.com/polarismesh/specification/source/go/api/v1/config_manage"
apifault "github.com/polarismesh/specification/source/go/api/v1/fault_tolerance"
apimodel "github.com/polarismesh/specification/source/go/api/v1/model"
apiservice "github.com/polarismesh/specification/source/go/api/v1/service_manage"
apitraffic "github.com/polarismesh/specification/source/go/api/v1/traffic_manage"
"google.golang.org/protobuf/types/known/anypb"
)
/**
* @brief 回复消息接口
*/
type ResponseMessage interface {
proto.Message
GetCode() *wrappers.UInt32Value
GetInfo() *wrappers.StringValue
}
type ResponseMessageV2 interface {
proto.Message
GetCode() uint32
GetInfo() string
}
/**
* @brief 获取返回码前三位
* @note 返回码前三位和HTTP返回码定义一致
*/
func CalcCode(rm ResponseMessage) int {
return int(rm.GetCode().GetValue() / 1000)
}
/**
* @brief 获取返回码前三位
* @note 返回码前三位和HTTP返回码定义一致
*/
func CalcCodeV2(rm ResponseMessageV2) int {
return int(rm.GetCode() / 1000)
}
/**
* @brief BatchWriteResponse添加Response
*/
func Collect(batchWriteResponse *apiservice.BatchWriteResponse, response *apiservice.Response) {
// 非200的code,都归为异常
if CalcCode(response) != 200 {
if response.GetCode().GetValue() >= batchWriteResponse.GetCode().GetValue() {
batchWriteResponse.Code.Value = response.GetCode().GetValue()
batchWriteResponse.Info.Value = code2info[batchWriteResponse.GetCode().GetValue()]
}
}
batchWriteResponse.Size.Value++
batchWriteResponse.Responses = append(batchWriteResponse.Responses, response)
}
// AddNamespace BatchQueryResponse添加命名空间
func AddNamespace(b *apiservice.BatchQueryResponse, namespace *apimodel.Namespace) {
b.Namespaces = append(b.Namespaces, namespace)
}
// AddNamespaceSummary 添加汇总信息
func AddNamespaceSummary(b *apiservice.BatchQueryResponse, summary *apimodel.Summary) {
b.Summary = summary
}
// NewResponse 创建回复
func NewResponse(code apimodel.Code) *apiservice.Response {
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
}
}
// NewResponseWithMsg 带上具体的错误信息
func NewResponseWithMsg(code apimodel.Code, msg string) *apiservice.Response {
resp := NewResponse(code)
resp.Info.Value += ": " + msg
return resp
}
/**
* @brief 创建回复带客户端信息
*/
func NewClientResponse(code apimodel.Code, client *apiservice.Client) *apiservice.Response {
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Client: client,
}
}
/**
* @brief 创建回复带命名空间信息
*/
func NewNamespaceResponse(code apimodel.Code, namespace *apimodel.Namespace) *apiservice.Response {
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Namespace: namespace,
}
}
/**
* @brief 创建回复带服务信息
*/
func NewServiceResponse(code apimodel.Code, service *apiservice.Service) *apiservice.Response {
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Service: service,
}
}
// 创建带别名信息的答复
func NewServiceAliasResponse(code apimodel.Code, alias *apiservice.ServiceAlias) *apiservice.Response {
resp := NewResponse(code)
resp.Alias = alias
return resp
}
/**
* @brief 创建回复带服务实例信息
*/
func NewInstanceResponse(code apimodel.Code, instance *apiservice.Instance) *apiservice.Response {
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Instance: instance,
}
}
// 创建带自定义error的服务实例response
func NewInstanceRespWithError(code apimodel.Code, err error, instance *apiservice.Instance) *apiservice.Response {
resp := NewInstanceResponse(code, instance)
resp.Info.Value += " : " + err.Error()
return resp
}
/**
* @brief 创建回复带服务路由信息
*/
func NewRoutingResponse(code apimodel.Code, routing *apitraffic.Routing) *apiservice.Response {
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Routing: routing,
}
}
// NewAnyDataResponse create the response with data with any type
func NewAnyDataResponse(code apimodel.Code, msg proto.Message) *apiservice.Response {
ret, err := anypb.New(proto.MessageV2(msg))
if err != nil {
return NewResponse(code)
}
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Data: ret,
}
}
// NewRouterResponse 创建带新版本路由的返回
func NewRouterResponse(code apimodel.Code, router *apitraffic.RouteRule) *apiservice.Response {
return NewAnyDataResponse(code, router)
}
// NewRateLimitResponse 创建回复带限流规则信息
func NewRateLimitResponse(code apimodel.Code, rule *apitraffic.Rule) *apiservice.Response {
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
RateLimit: rule,
}
}
/**
* @brief 创建回复带熔断规则信息
*/
func NewCircuitBreakerResponse(code apimodel.Code, circuitBreaker *apifault.CircuitBreaker) *apiservice.Response {
return &apiservice.Response{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
CircuitBreaker: circuitBreaker,
}
}
/**
* @brief 创建批量回复
*/
func NewBatchWriteResponse(code apimodel.Code) *apiservice.BatchWriteResponse {
return &apiservice.BatchWriteResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Size: &wrappers.UInt32Value{Value: 0},
}
}
/**
* @brief 创建带详细信息的批量回复
*/
func NewBatchWriteResponseWithMsg(code apimodel.Code, msg string) *apiservice.BatchWriteResponse {
resp := NewBatchWriteResponse(code)
resp.Info.Value += ": " + msg
return resp
}
// NewBatchQueryResponse create the batch query responses
func NewBatchQueryResponse(code apimodel.Code) *apiservice.BatchQueryResponse {
return &apiservice.BatchQueryResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Amount: &wrappers.UInt32Value{Value: 0},
Size: &wrappers.UInt32Value{Value: 0},
}
}
// NewBatchQueryResponseWithMsg create the batch query responses with message
func NewBatchQueryResponseWithMsg(code apimodel.Code, msg string) *apiservice.BatchQueryResponse {
resp := NewBatchQueryResponse(code)
resp.Info.Value += ": " + msg
return resp
}
// AddAnyDataIntoBatchQuery add message as any data array
func AddAnyDataIntoBatchQuery(resp *apiservice.BatchQueryResponse, message proto.Message) error {
ret, err := anypb.New(proto.MessageV2(message))
if err != nil {
return err
}
resp.Data = append(resp.Data, ret)
return nil
}
// 创建一个空白的discoverResponse
func NewDiscoverResponse(code apimodel.Code) *apiservice.DiscoverResponse {
return &apiservice.DiscoverResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
}
}
/**
* @brief 创建查询服务回复
*/
func NewDiscoverServiceResponse(code apimodel.Code, service *apiservice.Service) *apiservice.DiscoverResponse {
return &apiservice.DiscoverResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Type: apiservice.DiscoverResponse_SERVICES,
Service: service,
}
}
/**
* @brief 创建查询服务实例回复
*/
func NewDiscoverInstanceResponse(code apimodel.Code, service *apiservice.Service) *apiservice.DiscoverResponse {
return &apiservice.DiscoverResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Type: apiservice.DiscoverResponse_INSTANCE,
Service: service,
}
}
/**
* @brief 创建查询服务路由回复
*/
func NewDiscoverRoutingResponse(code apimodel.Code, service *apiservice.Service) *apiservice.DiscoverResponse {
return &apiservice.DiscoverResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Type: apiservice.DiscoverResponse_ROUTING,
Service: service,
}
}
/**
* @brief 创建查询限流规则回复
*/
func NewDiscoverRateLimitResponse(code apimodel.Code, service *apiservice.Service) *apiservice.DiscoverResponse {
return &apiservice.DiscoverResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Type: apiservice.DiscoverResponse_RATE_LIMIT,
Service: service,
}
}
/**
* @brief 创建查询熔断规则回复
*/
func NewDiscoverCircuitBreakerResponse(code apimodel.Code, service *apiservice.Service) *apiservice.DiscoverResponse {
return &apiservice.DiscoverResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Type: apiservice.DiscoverResponse_CIRCUIT_BREAKER,
Service: service,
}
}
/**
* @brief 创建查询探测规则回复
*/
func NewDiscoverFaultDetectorResponse(code apimodel.Code, service *apiservice.Service) *apiservice.DiscoverResponse {
return &apiservice.DiscoverResponse{
Code: &wrappers.UInt32Value{Value: uint32(code)},
Info: &wrappers.StringValue{Value: code2info[uint32(code)]},
Type: apiservice.DiscoverResponse_FAULT_DETECTOR,
Service: service,
}
}
// 创建一个空白的 ConfigDiscoverResponse
func NewConfigDiscoverResponse(code apimodel.Code) *apiconfig.ConfigDiscoverResponse {
return &apiconfig.ConfigDiscoverResponse{
Code: uint32(code),
Info: code2info[uint32(code)],
}
}
// 格式化responses
// batch操作
// 如果所有子错误码一致,那么使用子错误码
// 如果包含任意一个5xx,那么返回500
func FormatBatchWriteResponse(response *apiservice.BatchWriteResponse) *apiservice.BatchWriteResponse {
var code uint32
for _, resp := range response.Responses {
if code == 0 {
code = resp.GetCode().GetValue()
continue
}
if code == resp.GetCode().GetValue() {
continue
}
// 发现不一样
code = 0
break
}
// code不等于0,意味着所有的resp都是一样的错误码,则合并为同一个错误码
if code != 0 {
response.Code.Value = code
response.Info.Value = code2info[code]
return response
}
// 错误都不一致
// 存在5XX,则返回500
// 不存在5XX,但是存在4XX,则返回4XX
// 除去以上两个情况,不修改返回值
hasBadRequest := false
for _, resp := range response.Responses {
httpStatus := CalcCode(resp)
if httpStatus >= 500 {
response.Code.Value = ExecuteException
response.Info.Value = code2info[response.Code.Value]
return response
} else if httpStatus >= 400 {
hasBadRequest = true
}
}
if hasBadRequest {
response.Code.Value = BadRequest
response.Info.Value = code2info[response.Code.Value]
}
return response
}