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|---|---|---|
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@@ -6,19 +6,11 @@ jobs: | |
| build: | ||
| runs-on: ubuntu-latest | ||
| steps: | ||
| - uses: actions/checkout@v2 | ||
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| - uses: actions/checkout@v4 | ||
| - name: Set up Go | ||
| uses: actions/setup-go@v2 | ||
| with: | ||
| go-version: "1.20" | ||
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| - uses: actions/cache@v2 | ||
| uses: actions/setup-go@v5 | ||
| with: | ||
| path: ~/go/pkg/mod | ||
| key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }} | ||
| restore-keys: | | ||
| ${{ runner.os }}-go- | ||
| go-version: stable | ||
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|
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| - name: Check License Header | ||
| uses: apache/skywalking-eyes/[email protected] | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /* | ||
| * Copyright 2024 CloudWeGo Authors | ||
| * | ||
| * Licensed 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 utils | ||
|
|
||
| import ( | ||
| "io" | ||
| "reflect" | ||
| "unsafe" | ||
| ) | ||
|
|
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| const maxdepath = 10 | ||
|
|
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| // CallClose calls underlying Close method which provided by kitex/client. | ||
| // XXX: kitex tool doesn't generate Close method for client, and we need it for testing | ||
| // or Server.Stop will block till timeout | ||
| func CallClose(v interface{}) bool { | ||
| // likely ok=false, or we should call Close directly | ||
| if f, ok := v.(io.Closer); ok { | ||
| f.Close() | ||
| return true | ||
| } | ||
| rv := reflect.ValueOf(v) | ||
| p := rv.UnsafePointer() | ||
| ret := callClose(rv, p, maxdepath) | ||
| return ret | ||
| } | ||
|
|
||
| // callClose returns true if it can stop | ||
| func callClose(rv reflect.Value, p unsafe.Pointer, depth int) bool { | ||
| if depth == 0 { | ||
| return false | ||
| } | ||
| if rv.Kind() == reflect.Pointer { | ||
| if tryCallClose(rv, p) { | ||
| return true | ||
| } | ||
| rv = rv.Elem() | ||
| } | ||
| if rv.Kind() != reflect.Interface && rv.Kind() != reflect.Struct { | ||
| return false | ||
| } | ||
| if rv.Kind() == reflect.Interface { | ||
| rv = rv.Elem() | ||
| p = unsafe.Add(p, unsafe.Sizeof(uintptr(0))) | ||
| p = *(*unsafe.Pointer)(p) // get data pointer of eface | ||
| if tryCallClose(rv, p) { | ||
| return true | ||
| } | ||
| if rv.Kind() == reflect.Pointer { | ||
| rv = rv.Elem() | ||
| } | ||
| if rv.Kind() != reflect.Struct { | ||
| panic("unknown type: " + rv.Type().String()) | ||
| } | ||
| } | ||
| rv = rv.Field(0) // for generated code, always 1 field | ||
| if rv.Kind() == reflect.Pointer { | ||
| p = *(*unsafe.Pointer)(p) | ||
| } | ||
| return callClose(rv, p, depth-1) | ||
| } | ||
|
|
||
| func tryCallClose(rv reflect.Value, p unsafe.Pointer) bool { | ||
| // check pointer to struct | ||
| if rv.Kind() != reflect.Pointer { | ||
| return false | ||
| } | ||
| if rv.Elem().Kind() != reflect.Struct { | ||
| return false | ||
| } | ||
|
|
||
| // use reflect.NewAt to bypass unexported field issue | ||
| v := reflect.NewAt(rv.Type().Elem(), p) | ||
| f, ok := v.Interface().(io.Closer) | ||
| if ok { | ||
| f.Close() | ||
| return true | ||
| } | ||
| return false | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /* | ||
| * Copyright 2024 CloudWeGo Authors | ||
| * | ||
| * Licensed 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 utils | ||
|
|
||
| import ( | ||
| "testing" | ||
| "unsafe" | ||
| ) | ||
|
|
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| type clientWithClose struct { | ||
| closed bool | ||
| } | ||
|
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| func (c *clientWithClose) Close() error { | ||
| c.closed = true | ||
| return nil | ||
| } | ||
|
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| func TestCallClose(t *testing.T) { | ||
| cli := &clientWithClose{} | ||
| t.Log("*clientWithClose", unsafe.Pointer(cli)) | ||
|
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| type TestClient0 struct { | ||
| *clientWithClose | ||
| } | ||
| c0 := TestClient0{cli} | ||
| type TestClient1 struct { | ||
| TestClient0 | ||
| } | ||
| c1 := TestClient1{c0} | ||
| type TestClient2 struct { | ||
| cli TestClient1 | ||
| } | ||
| c2 := &TestClient2{c1} | ||
| CallClose(c2) | ||
| if !cli.closed { | ||
| t.Fatal("not close") | ||
| } | ||
| } |
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