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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| 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. | ||
| */ | ||
|
|
||
| package cluster_impl | ||
|
|
||
| import ( | ||
| "github.com/apache/dubbo-go/cluster" | ||
| "github.com/apache/dubbo-go/common/extension" | ||
| "github.com/apache/dubbo-go/protocol" | ||
| ) | ||
|
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| type failfastCluster struct{} | ||
|
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| const failfast = "failfast" | ||
|
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| func init() { | ||
| extension.SetCluster(failfast, NewFailFastCluster) | ||
| } | ||
|
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| func NewFailFastCluster() cluster.Cluster { | ||
| return &failfastCluster{} | ||
| } | ||
|
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| func (cluster *failfastCluster) Join(directory cluster.Directory) protocol.Invoker { | ||
| return newFailFastClusterInvoker(directory) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /* | ||
| 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 cluster_impl | ||
|
|
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| import ( | ||
| "github.com/apache/dubbo-go/cluster" | ||
| "github.com/apache/dubbo-go/protocol" | ||
| ) | ||
|
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| type failfastClusterInvoker struct { | ||
| baseClusterInvoker | ||
| } | ||
|
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| func newFailFastClusterInvoker(directory cluster.Directory) protocol.Invoker { | ||
| return &failfastClusterInvoker{ | ||
| baseClusterInvoker: newBaseClusterInvoker(directory), | ||
| } | ||
| } | ||
|
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| func (invoker *failfastClusterInvoker) Invoke(invocation protocol.Invocation) protocol.Result { | ||
|
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| invokers := invoker.directory.List(invocation) | ||
| err := invoker.checkInvokers(invokers, invocation) | ||
|
|
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| if err != nil { | ||
| return &protocol.RPCResult{Err: err} | ||
| } | ||
|
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| loadbalance := getLoadBalance(invokers[0], invocation) | ||
|
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| err = invoker.checkWhetherDestroyed() | ||
| if err != nil { | ||
| return &protocol.RPCResult{Err: err} | ||
| } | ||
|
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| ivk := invoker.doSelect(loadbalance, invocation, invokers, nil) | ||
| return ivk.Invoke(invocation) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| /* | ||
| 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. | ||
| */ | ||
|
|
||
| package cluster_impl | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
| ) | ||
|
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| import ( | ||
| "github.com/golang/mock/gomock" | ||
| perrors "github.com/pkg/errors" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
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| import ( | ||
| "github.com/apache/dubbo-go/cluster/directory" | ||
| "github.com/apache/dubbo-go/cluster/loadbalance" | ||
| "github.com/apache/dubbo-go/common" | ||
| "github.com/apache/dubbo-go/common/extension" | ||
| "github.com/apache/dubbo-go/protocol" | ||
| "github.com/apache/dubbo-go/protocol/invocation" | ||
| ) | ||
|
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| var ( | ||
| failfastUrl, _ = common.NewURL(context.TODO(), "dubbo://192.168.1.1:20000/com.ikurento.user.UserProvider") | ||
| ) | ||
|
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| // register_failfast register failfastCluster to cluster extension. | ||
| func register_failfast(t *testing.T, invoker *protocol.MockInvoker) protocol.Invoker { | ||
| extension.SetLoadbalance("random", loadbalance.NewRandomLoadBalance) | ||
| failfastCluster := NewFailFastCluster() | ||
|
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| invokers := []protocol.Invoker{} | ||
| invokers = append(invokers, invoker) | ||
|
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| invoker.EXPECT().GetUrl().Return(failfastUrl) | ||
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| staticDir := directory.NewStaticDirectory(invokers) | ||
| clusterInvoker := failfastCluster.Join(staticDir) | ||
| return clusterInvoker | ||
| } | ||
|
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| func Test_FailfastInvokeSuccess(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
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| invoker := protocol.NewMockInvoker(ctrl) | ||
| clusterInvoker := register_failfast(t, invoker) | ||
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| invoker.EXPECT().GetUrl().Return(failfastUrl) | ||
|
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| mockResult := &protocol.RPCResult{Rest: rest{tried: 0, success: true}} | ||
|
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| invoker.EXPECT().Invoke(gomock.Any()).Return(mockResult) | ||
| result := clusterInvoker.Invoke(&invocation.RPCInvocation{}) | ||
|
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| assert.NoError(t, result.Error()) | ||
| res := result.Result().(rest) | ||
| assert.True(t, res.success) | ||
| assert.Equal(t, 0, res.tried) | ||
| } | ||
|
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| func Test_FailfastInvokeFail(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
|
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| invoker := protocol.NewMockInvoker(ctrl) | ||
| clusterInvoker := register_failfast(t, invoker) | ||
|
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| invoker.EXPECT().GetUrl().Return(failfastUrl) | ||
|
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| mockResult := &protocol.RPCResult{Err: perrors.New("error")} | ||
|
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| invoker.EXPECT().Invoke(gomock.Any()).Return(mockResult) | ||
| result := clusterInvoker.Invoke(&invocation.RPCInvocation{}) | ||
|
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| assert.NotNil(t, result.Error()) | ||
| assert.Equal(t, "error", result.Error().Error()) | ||
| assert.Nil(t, result.Result()) | ||
| } |
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