From e98ff552d144a14657e68eb1a7ca17ab85225f3e Mon Sep 17 00:00:00 2001
From: KernelDeimos <eric.alex.dube@gmail.com>
Date: Sun, 7 Jul 2024 00:58:46 -0400
Subject: [PATCH] dev: begin mountpoints

---
 .../backend/src/filesystem/backends/Test.js   | 24 -------------------
 .../backend/src/filesystem/backends/Test.ts   |  3 ---
 .../filesystem_a/LocalFilesystem.js           |  7 ++++++
 .../filesystem_a/PuterFilesystem.js           |  0
 .../strategies/filesystem_a/brainstorming.md  | 14 +++++++++++
 .../backend/src/services/MountpointService.js | 23 ++++++++++++++++++
 6 files changed, 44 insertions(+), 27 deletions(-)
 delete mode 100644 packages/backend/src/filesystem/backends/Test.js
 delete mode 100644 packages/backend/src/filesystem/backends/Test.ts
 create mode 100644 packages/backend/src/filesystem/strategies/filesystem_a/LocalFilesystem.js
 create mode 100644 packages/backend/src/filesystem/strategies/filesystem_a/PuterFilesystem.js
 create mode 100644 packages/backend/src/filesystem/strategies/filesystem_a/brainstorming.md

diff --git a/packages/backend/src/filesystem/backends/Test.js b/packages/backend/src/filesystem/backends/Test.js
deleted file mode 100644
index d2f35d62..00000000
--- a/packages/backend/src/filesystem/backends/Test.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2024 Puter Technologies Inc.
- *
- * This file is part of Puter.
- *
- * Puter is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.Test = void 0;
-class Test {
-}
-exports.Test = Test;
diff --git a/packages/backend/src/filesystem/backends/Test.ts b/packages/backend/src/filesystem/backends/Test.ts
deleted file mode 100644
index 6b8585ca..00000000
--- a/packages/backend/src/filesystem/backends/Test.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-export class Test {
-    //
-}
\ No newline at end of file
diff --git a/packages/backend/src/filesystem/strategies/filesystem_a/LocalFilesystem.js b/packages/backend/src/filesystem/strategies/filesystem_a/LocalFilesystem.js
new file mode 100644
index 00000000..0f1936d2
--- /dev/null
+++ b/packages/backend/src/filesystem/strategies/filesystem_a/LocalFilesystem.js
@@ -0,0 +1,7 @@
+const { AdvancedBase } = require("@heyputer/puter-js-common");
+
+class LocalFilesystem extends AdvancedBase {
+    async _init () {
+        this.root_ = this.config.path;
+    }
+}
diff --git a/packages/backend/src/filesystem/strategies/filesystem_a/PuterFilesystem.js b/packages/backend/src/filesystem/strategies/filesystem_a/PuterFilesystem.js
new file mode 100644
index 00000000..e69de29b
diff --git a/packages/backend/src/filesystem/strategies/filesystem_a/brainstorming.md b/packages/backend/src/filesystem/strategies/filesystem_a/brainstorming.md
new file mode 100644
index 00000000..8da528a1
--- /dev/null
+++ b/packages/backend/src/filesystem/strategies/filesystem_a/brainstorming.md
@@ -0,0 +1,14 @@
+### implementations needed
+- stat a file from fsentry row or inode
+- get a read stream for a file
+- 
+```mermaid
+classDiagram
+    API ..> HLOperation
+    HLOperation ..> LLOperation
+    LLOperation ..> LLFilesystem
+    LLFilesystem <|-- PuterFS
+    LLFilesystem <|-- LocalFS
+    PuterFS o--> Storage
+    PuterFS o--> FSEntryService
+```
diff --git a/packages/backend/src/services/MountpointService.js b/packages/backend/src/services/MountpointService.js
index a8a24b5b..bfb33c6f 100644
--- a/packages/backend/src/services/MountpointService.js
+++ b/packages/backend/src/services/MountpointService.js
@@ -11,11 +11,34 @@ const BaseService = require("./BaseService");
  * initialize a context.
  */
 class MountpointService extends BaseService {
+    static default_mountpoints = [
+        {
+            mapping: '/',
+            engine: 'puter',
+        },
+        {
+            mapping: '/x/mnt/local',
+            engine: 'local',
+            parameters: {
+                auto_mkdir: true,
+                path: '{runtime}/local',
+                uid_strategy: 'uuidv4',
+            }
+        }
+    ]
+    
     async _init () {
         // this.mountpoints_ = {};
         
         // Temporary solution - we'll develop this incrementally
         this.storage_ = null;
+        this.mounts_ = {};
+        
+        const mountpoints = [
+            ...this.constructor.default_mountpoints,
+            ...(this.config.mountpoints ?? [])
+        ];
+        //
     }
     
     // Temporary solution - we'll develop this incrementally