[new] lock opened project

Author: github0null

lib/node-utility

@@ -59,14 +59,16 @@ import { md5, copyObject, compareVersion } from './utility';
 import { ResInstaller } from './ResInstaller';
 import {
     view_str$prompt$not_found_compiler, view_str$operation$name_can_not_be_blank,
-    view_str$operation$name_can_not_have_invalid_char
+    view_str$operation$name_can_not_have_invalid_char,
+    view_str$prompt$project_is_opened_by_another,
 } from './StringTable';
 import { SettingManager } from './SettingManager';
 import { ExeCmd } from '../lib/node-utility/Executable';
 import { jsonc } from 'jsonc';
 import * as iconv from 'iconv-lite';
 import * as globmatch from 'micromatch'
 import { ICompileOptions, EventData, CurrentDevice, ArmBaseCompileConfigModel } from './EIDEProjectModules';
+import * as FileLock from '../lib/node-utility/FileLock';
 
 export class CheckError extends Error {
 }
@@ -807,6 +809,8 @@ export abstract class AbstractProject implements CustomConfigurationProvider, Pr
 
     private builtinEnvVars: { [key: string]: () => string } = {};
 
+    private lock_handle: number | undefined;
+
     ////////////////////////////////// cpptools provider interface ///////////////////////////////////
 
     name: string = 'eide';
@@ -1177,7 +1181,7 @@ export abstract class AbstractProject implements CustomConfigurationProvider, Pr
     /**
      * get output dir top root name. like: `build`
     */
-     getOutputRoot(): string {
+    getOutputRoot(): string {
         return this.GetConfiguration().getOutDirRoot();
     }
 
@@ -1265,6 +1269,12 @@ export abstract class AbstractProject implements CustomConfigurationProvider, Pr
     }
 
     async Load(wsFile: File) {
+
+        this.lock_handle = FileLock.lock([os.tmpdir(), `${md5(wsFile.path)}.lock`].join(NodePath.sep));
+        if (this.lock_handle == undefined) {
+            throw new Error(view_str$prompt$project_is_opened_by_another.replace('{path}', wsFile.path));
+        }
+
         await this.BeforeLoad(wsFile);
         this.LoadConfigurations(wsFile);
         this.loadProjectDirectory();
@@ -1278,6 +1288,7 @@ export abstract class AbstractProject implements CustomConfigurationProvider, Pr
     }
 
     Close() {
+        if (this.lock_handle) FileLock.unlock(this.lock_handle);
         this.sourceRoots.DisposeAll();
         this.configMap.Dispose();
         this.eideDirWatcher?.Close();

src/EIDEProject.ts

@@ -2022,6 +2022,7 @@ class ProjectDataProvider implements vscode.TreeDataProvider<ProjTreeItem>, vsco
         } catch (err) {
             GlobalEvent.emit('msg', newMessage('Warning', project_load_failed));
             GlobalEvent.emit('globalLog', ExceptionToMessage(err, 'Error'));
+            GlobalEvent.emit('globalLog.show');
             return undefined;
         }
     }

src/EIDEProjectExplorer.ts

@@ -563,8 +563,8 @@ export const project_exist_txt = [
 ][langIndex];
 
 export const project_load_failed = [
-    '项目加载失败 !',
-    'Project Load Failed !'
+    '项目加载失败 ! 打开输出面板查看日志以获取更多细节',
+    'Project Load Failed ! Please open output panel and check log'
 ][langIndex];
 
 export const project_is_opened = [
@@ -587,6 +587,11 @@ export const view_str$msg$err_ewt_hash = [
     `This template has incorrect hash and we can't install it !`
 ][langIndex];
 
+export const view_str$prompt$project_is_opened_by_another = [
+    `无法锁定项目 '{path}'，这个项目可能已被其他 EIDE 实例打开了 ！`,
+    `Can't lock project: '{path}', maybe this project has been opened by another EIDE instance !`
+][langIndex];
+
 //---------------Select string------------------
 
 export const later_text = [

src/StringTable.ts

@@ -1146,7 +1146,7 @@ let prj_count: number = 0;
 function RegisterGlobalEvent() {
 
     LogAnalyzer.on('Log', (msg) => {
-        // no workspace, log to output pannel
+        // no workspace, log to output panel
         if (LogAnalyzer.GetInstance().getLogListenerCount() < 2) {
             GlobalEvent.emit('globalLog', msg);
         }