1/* 2 * Copyright (C) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16const mallocSize = 1024 * 1024; 17 18let Module_T: unknown = null; 19 20function initConfigWASM(wasmFunctionName: string): Promise<string> { 21 return new Promise((resolve, reject) => { 22 function callModelFun(functionName: string): void { 23 let func = eval(functionName); 24 Module_T = new func({ 25 locateFile: (s: unknown): unknown => { 26 return s; 27 }, 28 print: (line: unknown): void => {}, 29 printErr: (line: unknown): void => {}, 30 onRuntimeInitialized: (): void => { 31 resolve('ok'); 32 }, 33 onAbort: (): void => {}, 34 }); 35 } 36 callModelFun(wasmFunctionName); 37 }); 38} 39 40self.onmessage = async (e: MessageEvent): Promise<void> => { 41 if (e.data.action === 'open') { 42 let jsFile = e.data.wasmJsName; 43 importScripts(jsFile); 44 await initConfigWASM(e.data.WasmName); 45 let dataCallBack = (heapPtr: number, size: number, isEnd: number, isConfig: number): void => { 46 if (isConfig === 1) { 47 // @ts-ignore 48 let jsonOut: Uint8Array = Module_T.HEAPU8.slice(heapPtr, heapPtr + size); 49 let decoder = new TextDecoder(); 50 let result = decoder.decode(jsonOut); 51 let json = JSON.parse(result); 52 self.postMessage({ 53 results: json, 54 }); 55 } 56 }; 57 // @ts-ignore 58 let fn = Module_T.addFunction(dataCallBack, 'viiii'); 59 // @ts-ignore 60 Module_T._Init(fn, mallocSize); 61 // @ts-ignore 62 Module_T._TraceStreamer_In_JsonConfig(); 63 } 64}; 65