106 lines
3.1 KiB
Go
106 lines
3.1 KiB
Go
/*
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* Copyright 1999-2020 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package rpc
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import (
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"context"
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"encoding/json"
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"fmt"
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"time"
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"github.com/pkg/errors"
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"github.com/nacos-group/nacos-sdk-go/v2/common/remote/rpc/rpc_request"
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"github.com/nacos-group/nacos-sdk-go/v2/common/remote/rpc/rpc_response"
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"github.com/nacos-group/nacos-sdk-go/v2/util"
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"github.com/golang/protobuf/ptypes/any"
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nacos_grpc_service "github.com/nacos-group/nacos-sdk-go/v2/api/grpc"
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"google.golang.org/grpc"
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)
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type GrpcConnection struct {
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*Connection
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client nacos_grpc_service.RequestClient
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biStreamClient nacos_grpc_service.BiRequestStream_RequestBiStreamClient
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}
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func NewGrpcConnection(serverInfo ServerInfo, connectionId string, conn *grpc.ClientConn,
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client nacos_grpc_service.RequestClient, biStreamClient nacos_grpc_service.BiRequestStream_RequestBiStreamClient) *GrpcConnection {
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return &GrpcConnection{
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Connection: &Connection{
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serverInfo: serverInfo,
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connectionId: connectionId,
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abandon: false,
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conn: conn,
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},
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client: client,
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biStreamClient: biStreamClient,
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}
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}
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func (g *GrpcConnection) request(request rpc_request.IRequest, timeoutMills int64, client *RpcClient) (rpc_response.IResponse, error) {
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p := convertRequest(request)
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ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutMills)*time.Millisecond)
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defer cancel()
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responsePayload, err := g.client.Request(ctx, p)
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if err != nil {
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return nil, err
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}
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responseFunc, ok := rpc_response.ClientResponseMapping[responsePayload.Metadata.GetType()]
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if !ok {
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return nil, errors.New(fmt.Sprintf("request:%s,unsupported response type:%s", request.GetRequestType(),
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responsePayload.Metadata.GetType()))
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}
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response := responseFunc()
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err = json.Unmarshal(responsePayload.GetBody().Value, response)
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return response, err
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}
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func (g *GrpcConnection) close() {
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g.Connection.close()
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}
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func (g *GrpcConnection) biStreamSend(payload *nacos_grpc_service.Payload) error {
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return g.biStreamClient.Send(payload)
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}
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func convertRequest(r rpc_request.IRequest) *nacos_grpc_service.Payload {
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Metadata := nacos_grpc_service.Metadata{
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Type: r.GetRequestType(),
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Headers: r.GetHeaders(),
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ClientIp: util.LocalIP(),
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}
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return &nacos_grpc_service.Payload{
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Metadata: &Metadata,
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Body: &any.Any{Value: []byte(r.GetBody(r))},
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}
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}
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func convertResponse(r rpc_response.IResponse) *nacos_grpc_service.Payload {
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Metadata := nacos_grpc_service.Metadata{
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Type: r.GetResponseType(),
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ClientIp: util.LocalIP(),
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}
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return &nacos_grpc_service.Payload{
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Metadata: &Metadata,
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Body: &any.Any{Value: []byte(r.GetBody())},
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}
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}
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