98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
/*
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Copyright 2022 The Dapr Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 dubbo
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import (
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"context"
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"errors"
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"fmt"
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"dubbo.apache.org/dubbo-go/v3/common/constant"
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"dubbo.apache.org/dubbo-go/v3/config"
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"dubbo.apache.org/dubbo-go/v3/config/generic"
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hessian "github.com/apache/dubbo-go-hessian2"
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)
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const (
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metadataRPCGroup = "group"
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metadataRPCVersion = "version"
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metadataRPCInterface = "interfaceName"
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metadataRPCMethodName = "methodName"
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metadataRPCProviderHostname = "providerHostname"
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metadataRPCProviderPort = "providerPort"
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)
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type dubboContext struct {
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group string
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version string
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interfaceName string
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hostname string
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port string
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method string
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inited bool
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client *generic.GenericService
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}
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func newDubboContext(metadata map[string]string) *dubboContext {
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dubboMetadata := &dubboContext{}
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dubboMetadata.group = metadata[metadataRPCGroup]
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dubboMetadata.interfaceName = metadata[metadataRPCInterface]
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dubboMetadata.version = metadata[metadataRPCVersion]
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dubboMetadata.method = metadata[metadataRPCMethodName]
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dubboMetadata.hostname = metadata[metadataRPCProviderHostname]
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dubboMetadata.port = metadata[metadataRPCProviderPort]
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dubboMetadata.inited = false
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return dubboMetadata
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}
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func (d *dubboContext) Init() error {
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if d.inited {
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return nil
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}
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consumerConfig := config.NewConsumerConfigBuilder().Build()
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consumerConfig.ProxyFactory = constant.PassThroughProxyFactoryKey
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rootConfig := config.NewRootConfigBuilder().
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SetConsumer(consumerConfig).
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Build()
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referenceConfig := config.NewReferenceConfigBuilder().
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SetInterface(d.interfaceName).
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SetProtocol(constant.Dubbo).
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Build()
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referenceConfig.URL = fmt.Sprintf("%s://%s:%s", constant.Dubbo, d.hostname, d.port)
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referenceConfig.Group = d.group
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referenceConfig.Version = d.version
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if err := referenceConfig.Init(rootConfig); err != nil {
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return err
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}
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rootConfig.Start()
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referenceConfig.GenericLoad(d.interfaceName)
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genericService, ok := referenceConfig.GetRPCService().(*generic.GenericService)
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if !ok {
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return errors.New("get gerneric service of dubbo failed")
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}
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d.client = genericService
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d.inited = true
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return nil
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}
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func (d *dubboContext) Invoke(ctx context.Context, body []byte) (interface{}, error) {
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return d.client.Invoke(ctx, d.method, []string{}, []hessian.Object{body})
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}
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func (d *dubboContext) String() string {
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return fmt.Sprintf("%s.%s.%s.%s.%s.%s", d.group, d.version, d.interfaceName, d.hostname, d.port, d.method)
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}
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