mirror of
https://github.com/falk-werner/webfuse-provider
synced 2026-03-02 04:09:18 +00:00
project structure changed
This commit is contained in:
Falk Werner
22
example/www/index.html
Normal file
22
example/www/index.html
Normal file
@@ -0,0 +1,22 @@
|
||||
<html>
|
||||
<head>
|
||||
<title>LWS Example</title>
|
||||
<meta charset="UTF-8">
|
||||
<link rel="stylesheet" type="text/css" href="style/main.css">
|
||||
<script type="text/javascript" src="js/connection.js"></script>
|
||||
<script type="text/javascript" src="js/connection_view.js"></script>
|
||||
<script type="text/javascript" src="js/filesystem.js"></script>
|
||||
<script type="text/javascript" src="js/filesystem_handler.js"></script>
|
||||
<script type="text/javascript" src="js/startup.js"></script>
|
||||
</head>
|
||||
<body>
|
||||
|
||||
<div class="page">
|
||||
<div class="window">
|
||||
<div class="title">Connection</div>
|
||||
<div id="connection"></div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
36
example/www/js/connection.js
Normal file
36
example/www/js/connection.js
Normal file
@@ -0,0 +1,36 @@
|
||||
class Connection {
|
||||
|
||||
constructor() {
|
||||
this.ws = null;
|
||||
this.isConnected = false;
|
||||
this.onopen = () => {};
|
||||
this.onclose = () => {};
|
||||
this.onmessage = () => {};
|
||||
}
|
||||
|
||||
connectTo(url) {
|
||||
if (this.ws) { this.close(); }
|
||||
|
||||
this.ws = new WebSocket(url, 'fs');
|
||||
this.ws.onopen = () => {
|
||||
this.isConnected = true;
|
||||
this.onopen()
|
||||
};
|
||||
this.ws.onclose = () => {
|
||||
this.isConnected = false;
|
||||
this.onclose();
|
||||
};
|
||||
this.ws.onmessage = (message) => {
|
||||
this.onmessage(message);
|
||||
};
|
||||
}
|
||||
|
||||
send(message) {
|
||||
this.ws.send(message);
|
||||
}
|
||||
|
||||
close() {
|
||||
this.ws.close();
|
||||
}
|
||||
|
||||
}
|
||||
42
example/www/js/connection_view.js
Normal file
42
example/www/js/connection_view.js
Normal file
@@ -0,0 +1,42 @@
|
||||
class ConnectionView {
|
||||
constructor(connection) {
|
||||
this.connection = connection;
|
||||
this.connection.onclose = () => { this.onConnectionClosed(); };
|
||||
this.connection.onopen = () => { this.onConnectionOpened(); };
|
||||
|
||||
this.element = document.createElement('div');
|
||||
|
||||
let urlLabel = document.createElement('span');
|
||||
urlLabel.textContent = 'URL:';
|
||||
this.element.appendChild(urlLabel);
|
||||
|
||||
this.urlTextbox = document.createElement('input');
|
||||
this.urlTextbox.type = 'text';
|
||||
this.urlTextbox.value = window.location.href.replace(/^http/, "ws");
|
||||
this.element.appendChild(this.urlTextbox);
|
||||
|
||||
this.connectButton = document.createElement('input');
|
||||
this.connectButton.type = 'button';
|
||||
this.connectButton.value = 'connect';
|
||||
this.connectButton.addEventListener('click', () => { this.onConnectButtonClicked(); });
|
||||
this.element.appendChild(this.connectButton);
|
||||
}
|
||||
|
||||
onConnectButtonClicked() {
|
||||
if (!this.connection.isConnected) {
|
||||
let url = this.urlTextbox.value;
|
||||
this.connection.connectTo(url);
|
||||
}
|
||||
else {
|
||||
this.connection.close();
|
||||
}
|
||||
}
|
||||
onConnectionOpened() {
|
||||
this.connectButton.value = 'disconnect';
|
||||
}
|
||||
|
||||
onConnectionClosed() {
|
||||
this.connectButton.value = 'connect';
|
||||
}
|
||||
|
||||
}
|
||||
128
example/www/js/filesystem.js
Normal file
128
example/www/js/filesystem.js
Normal file
@@ -0,0 +1,128 @@
|
||||
class FileSystem {
|
||||
static get GOOD() { return 0; }
|
||||
static get BAD() { return 1; }
|
||||
|
||||
static get BAD_NOTIMPLEMENTED() { return 2; }
|
||||
static get BAD_TIMEOUT() { return 3; }
|
||||
static get BAD_FORMAT() { return 4; }
|
||||
|
||||
static get BAD_NOENTRY() { return 101; }
|
||||
static get BAD_NOACCESS() { return 102; }
|
||||
|
||||
static get O_ACCMODE() { return 0x003; }
|
||||
static get O_RDONLY() { return 0x000; }
|
||||
static get O_WRONLY() { return 0x001; }
|
||||
static get O_RDWR() { return 0x002; }
|
||||
static get O_CREAT() { return 0x040; }
|
||||
static get O_EXCL() { return 0x080; }
|
||||
static get O_TRUNK() { return 0x200; }
|
||||
static get O_APPEND() { return 0x400; }
|
||||
|
||||
constructor(root) {
|
||||
this.root = root;
|
||||
this._inodes = { };
|
||||
|
||||
this._walk(this.root, (entry) => { this._inodes[entry.inode] = entry; });
|
||||
}
|
||||
|
||||
_walk(node, callback) {
|
||||
callback(node);
|
||||
|
||||
const entries = node.entries;
|
||||
if (entries) {
|
||||
for(let entry of Object.entries(entries)) {
|
||||
this._walk(entry[1], callback);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
lookup(parent, name) {
|
||||
const parentEntry = this._inodes[parent];
|
||||
const entry = (parentEntry && parentEntry.entries && parentEntry.entries[name]) || null;
|
||||
if (entry) {
|
||||
return {
|
||||
inode: entry.inode,
|
||||
mode: entry.mode || parseInt("755", 8),
|
||||
type: entry.type || 'file',
|
||||
size: entry.size || (entry.contents && entry.contents.length) || 0,
|
||||
atime: entry.atime || 0,
|
||||
mtime: entry.mtime || 0,
|
||||
ctime: entry.ctime || 0
|
||||
};
|
||||
}
|
||||
else {
|
||||
return FileSystem.BAD_NOENTRY;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
getattr(inode) {
|
||||
let entry = this._inodes[inode];
|
||||
if (entry) {
|
||||
return {
|
||||
mode: entry.mode || parseInt("755", 8),
|
||||
type: entry.type || 'file',
|
||||
size: entry.size || (entry.contents && entry.contents.length) || 0,
|
||||
atime: entry.atime || 0,
|
||||
mtime: entry.mtime || 0,
|
||||
ctime: entry.ctime || 0
|
||||
};
|
||||
}
|
||||
else {
|
||||
return FileSystem.BAD_NOENTRY;
|
||||
}
|
||||
}
|
||||
|
||||
readdir(inode) {
|
||||
let result = FileSystem.BAD_NOENTRY;
|
||||
let entry = this._inodes[inode];
|
||||
|
||||
if ((entry) && ("dir" === entry.type)) {
|
||||
result = [
|
||||
{name: '.', inode: entry.inode},
|
||||
{name: '..', inode: entry.inode}
|
||||
];
|
||||
for(let subdir of Object.entries(entry.entries)) {
|
||||
const name = subdir[0];
|
||||
const inode = subdir[1].inode;
|
||||
result.push({name: name, inode: inode});
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
open(inode, mode) {
|
||||
let result = FileSystem.BAD_NOENTRY;
|
||||
let entry = this._inodes[inode];
|
||||
|
||||
if (entry.type == "file") {
|
||||
result = ((mode & FileSystem.O_ACCMODE) == FileSystem.O_RDONLY) ? {handle: 1337} : FileSystem.BAD_NOACCESS;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
close(inode, handle, mode) {
|
||||
// do nothing
|
||||
return true;
|
||||
}
|
||||
|
||||
read(inode, handle, offset, length) {
|
||||
let result = FileSystem.BAD_NOENTRY;
|
||||
let entry = this._inodes[inode];
|
||||
|
||||
if (entry.type == "file") {
|
||||
let end = Math.min(offset + length, entry.contents.length);
|
||||
let data = (offset < entry.contents.length) ? entry.contents.substring(offset, end) : "";
|
||||
result = {
|
||||
data: data,
|
||||
format: "identity",
|
||||
count: data.length
|
||||
};
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
}
|
||||
87
example/www/js/filesystem_handler.js
Normal file
87
example/www/js/filesystem_handler.js
Normal file
@@ -0,0 +1,87 @@
|
||||
|
||||
class FileSystemHandler {
|
||||
|
||||
constructor(filesystem, connection) {
|
||||
this._fs = filesystem;
|
||||
this._connection = connection;
|
||||
this._connection.onmessage = (message) => {
|
||||
this._onmessage(message);
|
||||
};
|
||||
}
|
||||
|
||||
_onmessage(message) {
|
||||
|
||||
try {
|
||||
let request = JSON.parse(message.data);
|
||||
let result = -42;
|
||||
let response;
|
||||
|
||||
console.log(request);
|
||||
if (("string" === typeof(request.method)) &&
|
||||
("number" === typeof(request.id)) &&
|
||||
(request.params)) {
|
||||
switch(request.method)
|
||||
{
|
||||
case "lookup":
|
||||
{
|
||||
const parent = request.params[0];
|
||||
const name = request.params[1];
|
||||
result = this._fs.lookup(parent, name);
|
||||
}
|
||||
break;
|
||||
case "getattr":
|
||||
{
|
||||
const inode = request.params[0];
|
||||
result = this._fs.getattr(inode);
|
||||
}
|
||||
break;
|
||||
case "readdir":
|
||||
{
|
||||
const inode = request.params[0];
|
||||
result = this._fs.readdir(inode);
|
||||
}
|
||||
break;
|
||||
case "open":
|
||||
{
|
||||
const inode = request.params[0];
|
||||
const mode = request.params[1];
|
||||
result = this._fs.open(inode, mode);
|
||||
}
|
||||
break;
|
||||
case "close":
|
||||
{
|
||||
const inode = request.params[0];
|
||||
const handle = request.params[1];
|
||||
const mode = request.params[2];
|
||||
this._fs.close(inode, handle, mode);
|
||||
}
|
||||
break;
|
||||
case "read":
|
||||
{
|
||||
const inode = request.params[0];
|
||||
const handle = request.params[1];
|
||||
const offset = request.params[2];
|
||||
const length = request.params[3];
|
||||
result = this._fs.read(inode, handle, offset, length);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if ("number" == typeof(request.id))
|
||||
{
|
||||
if ("number" !== typeof(result)) {
|
||||
response = {result: result, id: request.id};
|
||||
}
|
||||
else {
|
||||
response = {error: {code: result}, id: request.id};
|
||||
}
|
||||
console.log(response);
|
||||
this._connection.send(JSON.stringify(response));
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (ex) { console.log(ex, message); }
|
||||
};
|
||||
}
|
||||
62
example/www/js/startup.js
Normal file
62
example/www/js/startup.js
Normal file
@@ -0,0 +1,62 @@
|
||||
function onmessage(message) {
|
||||
|
||||
try {
|
||||
let request = JSON.parse(message.data);
|
||||
let result = -42;
|
||||
let response;
|
||||
|
||||
console.log(request);
|
||||
if (("string" === typeof(request.method)) &&
|
||||
("number" === typeof(request.id)) &&
|
||||
(request.params)) {
|
||||
switch(request.method)
|
||||
{
|
||||
case "getattr":
|
||||
result = fs.getattr(request.params[0]);
|
||||
break;
|
||||
case "readdir":
|
||||
result = fs.readdir(request.params[0]);
|
||||
break;
|
||||
case "open":
|
||||
result = fs.open(request.params[0], request.params[1]);
|
||||
break;
|
||||
case "read":
|
||||
result = fs.read(request.params[0], request.params[1], request.params[2]);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if ("number" !== typeof(result)) {
|
||||
response = {result: result, id: request.id};
|
||||
}
|
||||
else {
|
||||
response = {error: {code: result}, id: request.id};
|
||||
}
|
||||
console.log(response);
|
||||
ws.send(JSON.stringify(response));
|
||||
}
|
||||
}
|
||||
catch (ex) { console.log(ex, message); }
|
||||
};
|
||||
|
||||
function startup() {
|
||||
let connection = new Connection();
|
||||
let connectionView = new ConnectionView(connection);
|
||||
document.getElementById('connection').appendChild(connectionView.element);
|
||||
|
||||
let fs = new FileSystem({
|
||||
inode: 1,
|
||||
mode: 0755,
|
||||
type: "dir",
|
||||
entries: {
|
||||
"hello.txt" : { inode: 2, mode: 0444, type: "file", contents: "Hello, World!"},
|
||||
"say_hello.sh": { inode: 3, mode: 0555, type: "file", contents: "#!/bin/sh\necho hello\n"}
|
||||
}
|
||||
});
|
||||
let handler = new FileSystemHandler(fs, connection);
|
||||
|
||||
|
||||
}
|
||||
|
||||
window.onload = startup;
|
||||
47
example/www/style/main.css
Normal file
47
example/www/style/main.css
Normal file
@@ -0,0 +1,47 @@
|
||||
html, body {
|
||||
font-family: monospace;
|
||||
background-color: #c0c0c0;
|
||||
}
|
||||
|
||||
.page {
|
||||
margin-left: 50px;
|
||||
margin-right: 50px;
|
||||
width: auto;
|
||||
}
|
||||
|
||||
.window {
|
||||
border: 1px solid black;
|
||||
background-color: black;
|
||||
border-radius: 5px;
|
||||
padding: 10px;
|
||||
margin-bottom: 25px;
|
||||
color: white;
|
||||
}
|
||||
|
||||
.window .title {
|
||||
text-align: center;
|
||||
color: #dba329;
|
||||
font-weight: bold;
|
||||
padding-bottom: 10px;
|
||||
margin-bottom: 10px;
|
||||
border-bottom: 1px solid #dba329;
|
||||
}
|
||||
|
||||
.commands {
|
||||
text-align: right;
|
||||
}
|
||||
|
||||
.content {
|
||||
column-count: 2;
|
||||
column-width: 50%;
|
||||
}
|
||||
|
||||
.content > div {
|
||||
display: inline-block;
|
||||
width: 100%;
|
||||
}
|
||||
|
||||
#connection {
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user