feat: incr sync version.
This commit is contained in:
148
go/chao-sdk-core/wasm/exec/executor.go
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148
go/chao-sdk-core/wasm/exec/executor.go
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@@ -0,0 +1,148 @@
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// Copyright © 2023 OpenIM SDK. All rights reserved.
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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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//go:build js && wasm
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// +build js,wasm
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package exec
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import (
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"context"
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"errors"
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"github.com/openimsdk/openim-sdk-core/v3/pkg/utils"
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"github.com/openimsdk/tools/errs"
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"github.com/openimsdk/tools/log"
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"runtime"
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"syscall/js"
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"time"
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)
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type CallbackData struct {
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ErrCode int32 `json:"errCode"`
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ErrMsg string `json:"errMsg"`
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Data interface{} `json:"data"`
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}
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const TIMEOUT = 5
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const JSNOTFOUND = 10002
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var ErrType = errors.New("from javascript data type err")
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var PrimaryKeyNull = errors.New("primary key is null err")
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var ErrTimoutFromJavaScript = errors.New("invoke javascript timeout,maybe should check function from javascript")
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var jsErr = js.Global().Get("Error")
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func Exec(args ...interface{}) (output interface{}, err error) {
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ctx := context.Background()
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defer func() {
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if r := recover(); r != nil {
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switch x := r.(type) {
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case string:
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err = utils.Wrap(errors.New(x), "")
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case error:
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err = x
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default:
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err = utils.Wrap(errors.New("unknown panic"), "")
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}
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}
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}()
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thenChannel := make(chan []js.Value)
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defer close(thenChannel)
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catchChannel := make(chan []js.Value)
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defer close(catchChannel)
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pc, _, _, _ := runtime.Caller(1)
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funcName := utils.CleanUpfuncName(runtime.FuncForPC(pc).Name())
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data := CallbackData{}
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thenFunc := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
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defer func() {
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if r := recover(); r != nil {
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switch x := r.(type) {
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case string:
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err = utils.Wrap(errors.New(x), "")
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case error:
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err = x
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default:
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err = utils.Wrap(errors.New("unknown panic"), "")
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}
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}
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}()
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log.ZDebug(ctx, "js then function", "=> (main go context) "+funcName+" "+
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"with response ", args[0].String())
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thenChannel <- args
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return nil
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})
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defer thenFunc.Release()
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catchFunc := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
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defer func() {
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if r := recover(); r != nil {
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switch x := r.(type) {
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case string:
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err = utils.Wrap(errors.New(x), "")
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case error:
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err = x
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default:
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err = utils.Wrap(errors.New("unknown panic"), "")
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}
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}
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}()
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log.ZDebug(ctx, "js catch function", "=> (main go context) "+funcName+" with respone ", args[0].String())
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catchChannel <- args
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return nil
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})
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defer catchFunc.Release()
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js.Global().Call(utils.FirstLower(funcName), args...).Call("then", thenFunc).Call("catch", catchFunc)
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select {
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case result := <-thenChannel:
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if len(result) > 0 {
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switch result[0].Type() {
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case js.TypeString:
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interErr := utils.JsonStringToStruct(result[0].String(), &data)
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if interErr != nil {
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err = utils.Wrap(err, "return json unmarshal err from javascript")
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}
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case js.TypeObject:
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return result[0], nil
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default:
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err = errors.New("unknown return type from javascript")
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}
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} else {
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err = errors.New("args err,length is 0")
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}
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case catch := <-catchChannel:
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if catch[0].InstanceOf(jsErr) {
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return nil, js.Error{Value: catch[0]}
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} else {
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panic("unknown javascript exception")
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}
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case <-time.After(TIMEOUT * time.Second):
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panic(ErrTimoutFromJavaScript)
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}
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if data.ErrCode != 0 {
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if data.ErrCode == JSNOTFOUND {
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return nil, errs.ErrRecordNotFound
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}
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return "", errors.New(data.ErrMsg)
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}
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return data.Data, err
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}
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func ExtractArrayBuffer(arrayBuffer js.Value) []byte {
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uint8Array := js.Global().Get("Uint8Array").New(arrayBuffer)
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dst := make([]byte, uint8Array.Length())
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js.CopyBytesToGo(dst, uint8Array)
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return dst
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}
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