Ftr: add pass through proxy factory #1081
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
|
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| package proxy_factory | ||
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||
| import ( | ||
| "context" | ||
| "reflect" | ||
| ) | ||
|
|
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| import ( | ||
| perrors "github.com/pkg/errors" | ||
| ) | ||
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| import ( | ||
| "github.com/apache/dubbo-go/common" | ||
| "github.com/apache/dubbo-go/common/constant" | ||
| "github.com/apache/dubbo-go/common/extension" | ||
| "github.com/apache/dubbo-go/common/proxy" | ||
| "github.com/apache/dubbo-go/protocol" | ||
| ) | ||
|
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| func init() { | ||
| extension.SetProxyFactory(constant.PassThroughProxyFactoryKey, NewPassThroughProxyFactory) | ||
| } | ||
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| // PassThroughProxyFactory is the factory of PassThroughProxyInvoker | ||
| type PassThroughProxyFactory struct { | ||
| } | ||
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| // NewPassThroughProxyFactory returns a proxy factory instance | ||
| func NewPassThroughProxyFactory(_ ...proxy.Option) proxy.ProxyFactory { | ||
| return &PassThroughProxyFactory{} | ||
| } | ||
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| // GetProxy gets a proxy | ||
| func (factory *PassThroughProxyFactory) GetProxy(invoker protocol.Invoker, url *common.URL) *proxy.Proxy { | ||
| return factory.GetAsyncProxy(invoker, nil, url) | ||
| } | ||
|
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| // GetAsyncProxy gets a async proxy | ||
| func (factory *PassThroughProxyFactory) GetAsyncProxy(invoker protocol.Invoker, callBack interface{}, url *common.URL) *proxy.Proxy { | ||
| //create proxy | ||
| attachments := map[string]string{} | ||
| attachments[constant.ASYNC_KEY] = url.GetParam(constant.ASYNC_KEY, "false") | ||
| return proxy.NewProxy(invoker, callBack, attachments) | ||
| } | ||
|
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| // GetInvoker gets a invoker | ||
| func (factory *PassThroughProxyFactory) GetInvoker(url *common.URL) protocol.Invoker { | ||
| return &PassThroughProxyInvoker{ | ||
| ProxyInvoker: &ProxyInvoker{ | ||
| BaseInvoker: *protocol.NewBaseInvoker(url), | ||
| }, | ||
| } | ||
| } | ||
|
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| // PassThroughProxyInvoker is a invoker struct, it calls service with specific method 'Serivce' and params: | ||
| // Service(method string, argsTypes []string, args [][]byte, attachment map[string]interface{}) | ||
| // PassThroughProxyInvoker pass through raw invocation data and method name to service, which will deal with them. | ||
| type PassThroughProxyInvoker struct { | ||
| *ProxyInvoker | ||
| } | ||
|
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| // Invoke is used to call service method by invocation | ||
| func (pi *PassThroughProxyInvoker) Invoke(ctx context.Context, invocation protocol.Invocation) protocol.Result { | ||
| result := &protocol.RPCResult{} | ||
| result.SetAttachments(invocation.Attachments()) | ||
| url := getProviderURL(pi.GetUrl()) | ||
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| arguments := invocation.Arguments() | ||
| srv := common.ServiceMap.GetServiceByServiceKey(url.Protocol, url.ServiceKey()) | ||
|
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| var args [][]byte | ||
| if len(arguments) > 0 { | ||
| args = make([][]byte, 0, len(arguments)) | ||
| for _, arg := range arguments { | ||
| if v, ok := arg.([]byte); ok { | ||
| args = append(args, v) | ||
| } else { | ||
| result.Err = perrors.New("the param type is not []byte") | ||
| return result | ||
| } | ||
| } | ||
| } | ||
| method := srv.Method()["Service"] | ||
|
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| in := make([]reflect.Value, 5) | ||
| in = append(in, srv.Rcvr()) | ||
| in = append(in, reflect.ValueOf(invocation.MethodName())) | ||
| in = append(in, reflect.ValueOf(invocation.Attachment(constant.PARAMS_TYPE_Key))) | ||
| in = append(in, reflect.ValueOf(args)) | ||
| in = append(in, reflect.ValueOf(invocation.Attachments())) | ||
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| returnValues := method.Method().Func.Call(in) | ||
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| var retErr interface{} | ||
| replyv := returnValues[0] | ||
| retErr = returnValues[1].Interface() | ||
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| if retErr != nil { | ||
|
There was a problem hiding this comment. Maybe more appropriate. if retErr != nil {
result.SetError(retErr.(error))
return result
}
if replyv.IsValid() && (replyv.Kind() != reflect.Ptr || replyv.Kind() == reflect.Ptr && replyv.Elem().IsValid()) {
result.SetResult(replyv.Interface())
}
return result |
||
| result.SetError(retErr.(error)) | ||
| return result | ||
| } | ||
| if replyv.IsValid() && (replyv.Kind() != reflect.Ptr || replyv.Kind() == reflect.Ptr && replyv.Elem().IsValid()) { | ||
| result.SetResult(replyv.Interface()) | ||
| } | ||
| return result | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
|
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| package proxy_factory | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "testing" | ||
| ) | ||
|
|
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| import ( | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
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| import ( | ||
| "github.com/apache/dubbo-go/common" | ||
| "github.com/apache/dubbo-go/protocol" | ||
| ) | ||
|
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| func TestPassThroughProxyFactoryGetProxy(t *testing.T) { | ||
| proxyFactory := NewPassThroughProxyFactory() | ||
| url := common.NewURLWithOptions() | ||
| proxy := proxyFactory.GetProxy(protocol.NewBaseInvoker(url), url) | ||
| assert.NotNil(t, proxy) | ||
| } | ||
|
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| type TestPassThroughProxyFactoryAsync struct { | ||
| } | ||
|
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| func (u *TestPassThroughProxyFactoryAsync) CallBack(res common.CallbackResponse) { | ||
| fmt.Println("CallBack res:", res) | ||
| } | ||
|
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| func TestPassThroughProxyFactoryGetAsyncProxy(t *testing.T) { | ||
| proxyFactory := NewPassThroughProxyFactory() | ||
| url := common.NewURLWithOptions() | ||
| async := &TestPassThroughProxyFactoryAsync{} | ||
| proxy := proxyFactory.GetAsyncProxy(protocol.NewBaseInvoker(url), async.CallBack, url) | ||
| assert.NotNil(t, proxy) | ||
| } | ||
|
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| func TestPassThroughProxyFactoryGetInvoker(t *testing.T) { | ||
| proxyFactory := NewPassThroughProxyFactory() | ||
| url := common.NewURLWithOptions() | ||
| invoker := proxyFactory.GetInvoker(url) | ||
| assert.True(t, invoker.IsAvailable()) | ||
| } |
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the same comment as line 93: pls using gxbytes.AcquireBytes instead.
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gxbytes.AcquireBytes() is used to get specific make([]byte, 0, size), not to make [][]byte.