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PiZeroWebSerialConsole_anyHostName.html
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PiZeroWebSerialConsole_anyHostName.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Web Serial（Read）</title>
<link rel="stylesheet" href="https://unpkg.com/[email protected]/css/xterm.css" />
<script src="https://unpkg.com/[email protected]/lib/xterm.js"></script>
</head>
<style>
.filelistdiv {
overflow-x: hidden;
width: 180px;
height: 300px;
/* margin: 0 auto; */
padding: 0;
/* box-sizing: border-box;
display: flex; */
}
.filelist {
width: 180px;
margin: 0;
padding: 0;
}
.filelist li {
position: relative;
width: 180px;
height: 20px;
white-space: nowrap;
}
.filelist > li {
border-bottom: none;
}
.filelist li:last-child {
border-bottom: none;
}
.filelist li:hover > ul > li {
border-bottom: none;
}
.filelist li > ul > li:last-child {
border-bottom: none;
}
.filelist li span {
/* layer-1 */
display: block;
width: 180px;
height: 20px;
color: #fff;
font-size: 14px;
line-height: 1.4;
padding: 0 3px;
background: #356;
border-bottom: 1px solid #eee;
box-sizing: border-box;
text-decoration: none;
}
.filelist > li:hover > span {
/*layer-1 sel*/
color: orange;
background: #46f;
cursor: pointer;
}
.filelist > li:hover > span > label {
/*layer-1 label sel*/
cursor: pointer;
}
.filelist > li li:hover > span {
/*layer-2 sel*/
color: #611;
background: #d4f;
cursor: pointer;
}
.filelist li:hover > ul > li {
/*layer-2*/
overflow: visible;
top: -20px;
left: 40px;
height: 20px;
z-index: 2;
}
.filelist li ul li {
overflow: hidden;
height: 0;
/* left: 110px; */
list-style: none;
}
.filelist li ul li span {
/*layer-2*/
background: #93d;
width: 100px;
}
.filelist li:hover ul li ul li:hover > span {
/*layer-3 sel*/
color: #22a;
background: #d01;
z-index: 3;
}
.filelist li:hover > ul > li:hover > ul > li {
left: 10px;
}
.filelist li ul li ul li span {
/*layer-3*/
background: #622;
width: 50px;
}
</style>
<style type="text/css">
#fileListTable {
/* overflow:auto; */
width: 200px;
height: 420px;
margin: 0px;
padding: 0px;
border: 0px;
background-color: #f9f9f9;
color: #000;
font-size: 10px;
}
input {
font-size: 9px;
}
button {
font-size: 12px;
}
table {
table-layout: fixed;
}
.fileListNameTd {
width: 100px;
}
.fileListBtnTd {
width: 50px;
}
</style>
<script>
/**
PiZeroWebSerialConsole Web App.
This is an application that allows a web browser to interact with the
Raspberry Pi Zero via its USB OTG Serial, regardless of the IP settings.
================================================================================
Programmed by Satoru Takagi
Copyright 2021 by Satoru Takagi All Rights Reserved
================================================================================
License: (GPL v3)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License version 3 as
published by the Free Software Foundation.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
However, if you want to use the contents of this repository for CHIRIMEN
community's projects, you can also choose the MIT license.
So, this is a limited dual license for the CHIRIMEN community.
================================================================================
History
2021/09/02 Initial Release
================================================================================
**/
var port;
var currentDir = ""; // cdコマンドを打つたびに更新されるグローバル変数
var currentDirFiles = {};
async function startConnection() {
// Web Serial APIでRasoberry PiのUSB OTG Serialをつなぐ
try {
port = await navigator.serial.requestPort();
await port.open({ baudRate: 115200 });
serialConnecting = true;
startTermLoop();
term.writeln("<<CONNECTED>>");
} catch (error) {
console.log("Error: Open");
console.log(error);
}
}
var serialConnecting;
async function terminateConnection() {
serialConnecting = false;
portWrite(" ");
await sleep("10");
await port.close();
term.writeln("\r\n<<CONNETCTION CLOSED>>");
}
async function startTermLoop() {
try {
while (port.readable && serialConnecting) {
const reader = port.readable.getReader();
try {
waitForSerialIn.inputValue = "";
while (serialConnecting) {
if (waitForSerialIn.inputValue.endsWith("\n")) {
//waitForSerialIn.inputValue ="";
}
const { value, done } = await reader.read();
if (done) {
console.log("Canceled");
break;
}
waitForSerialIn.inputValue =
waitForSerialIn.inputValue +
new TextDecoder("utf-8").decode(value);
//console.log(waitForSerialIn.inputValue.replace("\n","[RET]\n"));
// console.log(waitForSerialIn.RegExp,waitForSerialIn.inputValue.match(waitForSerialIn.RegExp));
if (
waitForSerialIn.RegExp &&
waitForSerialIn.CBF &&
waitForSerialIn.inputValue.match(waitForSerialIn.RegExp) != null
) {
waitForSerialIn.CBF(
removeControlChars(waitForSerialIn.inputValue)
);
clearTimeout(waitForSerialIn.TimeOutID);
waitForSerialIn.RegExp = null;
waitForSerialIn.CBF = null;
waitForSerialIn.TimeOutID = null;
waitForSerialIn.inputValue = "";
}
if (value) {
term.writeUtf8(value);
}
}
console.log("exit termLoop");
} catch (error) {
console.log("Error: Read");
console.log(error);
} finally {
reader.releaseLock();
}
}
} catch (error) {
console.log("Error: Open");
console.log(error);
}
}
function removeControlChars(str) {
// https://stackoverflow.com/questions/25245716/remove-all-ansi-colors-styles-from-strings
return str.replace(
/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g,
""
);
}
var term;
var writer;
//var waitForSerialInRegExp, waitForSerialInCBF,waitForSerialInTimeOutID;
const waitForSerialIn = {
RegExp: null,
CBF: null,
TimeOutID: null,
inputValue: "",
};
var lang = "en";
const encoder = new TextEncoder();
onload = function () {
if (navigator.language == "ja") {
lang = navigator.language;
}
term = new Terminal.Terminal();
term.open(document.getElementById("terminal"));
term.onData(function (data) {
//console.log(data);
//term.writeUtf8(encoder.encode(data));
if (port) {
writer = port.writable.getWriter();
writer.write(encoder.encode(data));
writer.releaseLock();
}
});
};
// シリアルに単に書き出すだけの関数
function portWrite(data) {
writer = port.writable.getWriter();
writer.write(encoder.encode(data));
writer.releaseLock();
}
function portWriteln(data) {
portWrite(data + "\n");
}
// 書き出して、指定した文字列の返却を待つ非同期関数
function portWriteWaitfor(writeData, waitForRegExp, timeOutMsOptional) {
if (waitForRegExp == null) {
throw "waitForRegExp is not.";
}
if (waitForSerialIn.RegExp != null) {
console.warn("Now traansmitting skip");
return;
}
if (typeof waitForRegExp == "string") {
waitForRegExp = new RegExp(waitForRegExp);
//console.log("RE:",waitForRegExp);
}
if (!timeOutMsOptional) {
timeOutMsOptional = 30_000;
}
return new Promise(function (cbf, failCbf) {
waitForSerialIn.inputValue = "";
waitForSerialIn.RegExp = waitForRegExp;
waitForSerialIn.CBF = cbf;
waitForSerialIn.TimeOutCBF = function () {
console.warn("fail wait for:", waitForSerialIn.inputValue);
waitForSerialIn.inputValue = "";
waitForSerialIn.CBF = null;
waitForSerialIn.Str = null;
waitForSerialIn.RegExp = null;
if (failCbf) {
failCbf();
}
};
waitForSerialIn.TimeOutID = setTimeout(
waitForSerialIn.TimeOutCBF,
timeOutMsOptional
);
//console.log("portWrite:",writeData," cond:",waitForRegExp);
portWrite(writeData);
});
}
async function portWritelnWaitfor(
writeData,
waitForRegExp,
timeOutMsOptional
) {
var ret = await portWriteWaitfor(
writeData + "\n",
waitForRegExp,
timeOutMsOptional
);
return ret;
}
var ctrlc = "\x03"; // ｅｎｄ ｏｆ ｔｅｘｔ
var ctrld = "\x04"; // ｅｎｄ ｏｆ ｔｒａｎｓｍｉｓｓｉｏｎ
const sleep = (msec) => new Promise((resolve) => setTimeout(resolve, msec));
function arrayBufferToBase64(buffer) {
var binary = "";
var bytes = new Uint8Array(buffer);
var len = bytes.byteLength;
for (var i = 0; i < len; i++) {
binary += String.fromCharCode(bytes[i]);
}
return window.btoa(binary);
}
function base64ToArrayBuffer(base64) {
var binary_string = window.atob(base64);
var len = binary_string.length;
var bytes = new Uint8Array(len);
for (var i = 0; i < len; i++) {
bytes[i] = binary_string.charCodeAt(i);
}
return bytes.buffer;
}
function getOutputLines(str) {
var lines = str.split("\n");
var ans = [];
for (var i = 0; i < lines.length; i++) {
ans.push(lines[i].trim());
}
return ans;
}
// アプリ的関数
//var cmdPrompt = "pi@raspberrypi:"; // ホームは"pi@raspberrypi:~\\$"
var cmdPrompt = new RegExp("pi@[a-z0-9\-]+:");
var loginId = "pi";
var loginPassword = "raspberry";
async function autoLogInPiZero(noRetry) {
// ログイン処理
var ret;
await startConnection();
await sleep(100);
// await portWriteWaitfor(ctrlc,".");
//console.log("ctrlc-> ret:",ret);
var hasResp;
term.write("Waiting prompt");
while (!hasResp) {
try {
portWrite(ctrlc);
ret = await portWriteWaitfor("\n", ":", 1000);
hasResp = true;
} catch (e) {
console.log("retry resp");
term.write(".");
await sleep(1000);
}
}
console.log("enter-> ret:", ret);
if (ret.indexOf("pi@") >= 0) {
console.log("already logged in");
//return;
} else if (ret.indexOf("login:") >= 0) {
var ret = await portWriteWaitfor(loginId + "\n", "Password:");
ret = await portWriteWaitfor(loginPassword + "\n", "\\$", 40000);
} else if (!noRetry) {
await autoLogInPiZero(true);
} else {
console.error("login fail...");
return;
}
document.getElementById("terminal").focus();
console.log("success");
await sleep(300);
await portWritelnWaitfor(" HISTCONTROL=ignoreboth", cmdPrompt); // 頭にスペースを付けたコマンド&連続したコマンドはhistoryに残さないようにする
if (lang == "ja") {
await portWritelnWaitfor(
" sudo timedatectl set-timezone Asia/Tokyo",
cmdPrompt
);
}
await sleep(100);
var date = new Date();
var dateCmd =
" sudo date " +
pad2(date.getMonth() + 1) +
pad2(date.getDate()) +
pad2(date.getHours()) +
pad2(date.getMinutes()) +
date.getFullYear() +
"." +
pad2(date.getSeconds());
await portWritelnWaitfor(dateCmd, cmdPrompt);
await pwd();
await sleep(100);
await cdHome();
connectBtn.style.display = "none";
cmdBtns.style.display = "";
}
function pad2(inp) {
return ("0" + inp).slice(-2);
}
async function closeConnection() {
await terminateConnection();
connectBtn.style.display = "";
cmdBtns.style.display = "none";
}
var currentAbsDir;
async function pwd() {
var ret = getOutputLines(await portWritelnWaitfor(" pwd", cmdPrompt));
console.log(ret);
currentAbsDir = ret[1].trim();
currentDir = getDirFromPrompt(ret[2]);
showCurrentDir();
return currentDir;
}
async function lsal() {
/** 表示結果からファイルに関する付帯情報を得るための正規表現 */
const capturingRegex =
/^(?<attr>\S+)\s+(?<hlinks>\S+)\s+(?<group>\S+)\s+(?<user>\S+)\s+(?<size>\S+)\s+(?<month>\S+)\s+(?<date>\S+)\s+(?<time>\S+)\s+(?<name>.+)$/;
var ret = await portWritelnWaitfor(
" ls -al --quoting-style=c",
cmdPrompt
);
ret = getOutputLines(ret);
var ans = [];
var prompt = ret[ret.length - 1].trim();
for (var i = 2; i < ret.length - 1; i++) {
const match = capturingRegex.exec(ret[i]);
const isDir = match?.groups.attr[0] === "d";
const fileInfo = {
dir: isDir,
...match?.groups,
};
try {
// TODO: C Quoting の解釈を JSON.parse によって代替しているため \v など一部トークンの解釈に失敗しうる
fileInfo.name = JSON.parse(fileInfo.name ?? JSON.stringify(""));
} catch {
fileInfo.name = "";
}
ans.push(fileInfo);
}
return { files: ans, prompt: prompt };
}
async function rm(fileName) {
// フルパスの場合はどうするか・・
var ret = getOutputLines(
await portWritelnWaitfor(` rm -- ${escapePath(fileName)}`, cmdPrompt)
);
console.log(ret);
}
async function mv(fromPath, toPath, bySudo) {
// フルパスの場合はどうするか・・
var sudoHead = "";
if (bySudo) {
sudoHead = "sudo ";
}
var ret = getOutputLines(
await portWritelnWaitfor(
` ${sudoHead} mv -- ${escapePath(fromPath)} ${escapePath(toPath)}`,
cmdPrompt
)
);
console.log(ret);
}
async function cp(fromPath, toPath, bySudo) {
// フルパスの場合はどうするか・・
var sudoHead = "";
if (bySudo) {
sudoHead = "sudo ";
}
var ret = getOutputLines(
await portWritelnWaitfor(
` ${sudoHead} cp -- ${escapePath(fromPath)} ${escapePath(toPath)}`,
cmdPrompt
)
);
console.log(ret);
}
async function remveAndList(fileName) {
var ret = await rm(fileName);
console.log("rm:", ret);
ret = await showDir();
console.log("ls:", ret);
currentDir = getDirFromPrompt(ret);
showCurrentDir();
}
function str2arrayBuffer_old(str) {
// textDecoder使わないタイプ・・
return new Promise(function (callback) {
// https://qiita.com/ukyo/items/1626defd020b2157e6bf
var fr = new FileReader();
fr.onloadend = function () {
callback(fr.result);
};
fr.readAsArrayBuffer(new Blob([str]));
});
}
function str2arrayBuffer(str) {
return new TextEncoder("utf-8").encode(str);
}
function arrayBuffer2str(buf) {
return new TextDecoder("utf-8").decode(buf);
}
async function saveFile(buffer, fileName) {
if (transferFileObj.transferring) {
console.warn("NOW File Transferring exit.");
return;
}
var base64 = arrayBufferToBase64(buffer);
//var ua = new Uint8Array(buffer);
// https://pisuke-code.com/js-soln-of-maximum-call-stack/
//var uas = String.fromCharCode.apply(null, new Uint8Array(buffer));
//console.log(ua);
//var base64String = window.btoa(String.fromCharCode.apply(null, new Uint8Array(buffer)));
//console.log(base64String);
console.log(fileName);
//var base64 = base64String = btoa(String.fromCharCode(...new Uint8Array(buffer)));
//console.log(base64);
if (progress) {
progress.insertAdjacentHTML(
"afterbegin",
"<span id='progressText'></span><input id='haltButton' type='button' onclick='haltTransferFile()' value='キャンセル' />"
);
}
transferFileObj.transferring = true;
portWrite(ctrlc); // フォアグランドアプリ動作中のものを止める努力をした方が良さそう2021/11/02
await sleep(100);
await portWriteWaitfor(` base64 -d > ${escapePath(fileName)}\n`, "\n");
for (var i = 0; i <= Math.floor(base64.length / lineLength); i++) {
if (transferFileObj.halt == true) {
transferFileObj.halt = false;
break;
}
var line = base64.substring(i * lineLength, (i + 1) * lineLength);
await portWriteWaitfor(line + "\n", "\n");
await sleep(1);
if (progress) {
progressText.innerText =
Math.floor((100 * i) / Math.floor(base64.length / lineLength)) +
"% completed";
}
}
progress.innerText = "";
//portWrite(base64);
await sleep(50);
portWrite(ctrld);
await sleep(10);
portWriteln("");
await sleep(10);
portWriteWaitfor("\n", "\\$");
await sleep(10);
transferFileObj.transferring = false;
}
var lineLength = 512;
async function uploadFile(event) {
// base64を使って任意のファイルを登録する感じ
// https://qiita.com/gyarasu/items/a8009ea76a561cf80b06
// https://qiita.com/allein-s/items/13d0e2fc0896df83b234
// https://qiita.com/kareharide/items/93f0257ee5c31e239e63
console.log("uploadFile:", event.target.files[0]);
var file = event.target.files[0];
var fileInputElement = event.target;
const fr = new FileReader();
fr.onload = async function (e) {
var buffer = e.target.result;
await saveFile(buffer, file.name);
fileInputElement.value = "";
await sleep(200);
await showDir();
};
fr.readAsArrayBuffer(file);
}
async function wifiScan() {
var ret = getOutputLines(
await portWritelnWaitfor(" sudo iwlist wlan0 scan", cmdPrompt)
);
const wifiInfos = [];
var wifiInfo = {};
var first = true;
for (var i = 1; i < ret.length - 1; i++) {
var row = ret[i].split(/:/);
//console.log(row,ret[i].indexOf("Cell"));
if (ret[i].indexOf("Cell") >= 0 && ret[i].indexOf("Address") > 0) {
row = ret[i].split(/\s+/);
if (!first) {
wifiInfos.push(wifiInfo);
} else {
first = false;
}
//console.log("NEW",row);
wifiInfo = { address: row[4] };
} else if (ret[i].indexOf("ESSID:") >= 0) {
wifiInfo.essid = row[1].trim().replaceAll('"', "");
} else if (ret[i].indexOf("IEEE 802.11") >= 0) {
wifiInfo.spec = row[1].trim();
} else if (ret[i].indexOf("Quality") >= 0) {
wifiInfo.quality = ret[i].trim();
} else if (ret[i].indexOf("Group Cipher") >= 0) {
wifiInfo.spec += "," + row[1].trim();
} else if (ret[i].indexOf("Pairwise Ciphers") >= 0) {
wifiInfo.spec += "," + row[1].trim();
} else if (ret[i].indexOf("Authentication Suites") >= 0) {
wifiInfo.spec += row[1].trim();
} else if (ret[i].indexOf("Frequency:") >= 0) {
wifiInfo.frequency = row[1].trim();
} else if (ret[i].indexOf("Channel:") >= 0) {
wifiInfo.channel = row[1].trim();
}
}
wifiInfos.push(wifiInfo);
return { rawData: ret, wifiInfos: wifiInfos };
}
async function WiFiPanel() {
var win = window.open(
"WiFiPanel.html",
"wifiPanelWindow",
"height=600,width=800"
);
}
function CHIRIMENPanel() {
var win = window.open(
"chirimenPanel.html",
"chirimenPanel",
"height=650,width=800"
);
}
FileManagerMessage = {
ja: {
move: "移動",
view: "表示",
edit: "編集",
delete: "削除",
do: "実行",
},
en: {
move: "move",
view: "view",
edit: "edit",
delete: "delete",
do: "do",
},
};
async function showDir() {
//await pwd();
removeChildren(fileListTable);
var lsFiles = await lsal();
var files = lsFiles.files;
currentDirFiles = files;
//console.log(files);
var ul = document.createElement("ul");
ul.setAttribute("class", "filelist");
for (var i = 0; i < files.length; i++) {
var li = document.createElement("li");
var fname = files[i].name;
var fsize = Number(files[i].size);
var fnSpan = document.createElement("span");
//fnSpan.innerText=fname;
var fsizeS = fsize;
if (fsizeS > 1024 * 1024) {
fsizeS = Math.floor((10 * fsizeS) / (1024 * 1024)) / 10 + "M";
} else if (fsizeS > 1024) {
fsizeS = Math.floor((10 * fsizeS) / 1024) / 10 + "K";
}
fnSpan.innerHTML =
"<label title='" +
fname +
" : " +
fsizeS +
"bytes'>" +
fname +
"</label>";
li.appendChild(fnSpan);
ul.appendChild(li);
var actUl = document.createElement("ul");
if (files[i].dir) {
var cdLi = document.createElement("li");
var cdSpan = document.createElement("span");
cdSpan.innerText = FileManagerMessage[lang].move;
cdSpan.addEventListener(
"click",
(function (fname) {
return function () {
cd(fname);
};
})(fname)
);
cdLi.appendChild(cdSpan);
actUl.appendChild(cdLi);
} else {
var viewLi = document.createElement("li");
var viewSpan = document.createElement("span");
viewSpan.innerText = FileManagerMessage[lang].view;
viewSpan.addEventListener(
"click",
(function (fname, fsize, editFlg) {
return function () {
showFile(fname, fsize, editFlg);
};
})(fname, fsize, false)
);
viewLi.appendChild(viewSpan);
actUl.appendChild(viewLi);
var editLi = document.createElement("li");
var editSpan = document.createElement("span");
editSpan.innerText = FileManagerMessage[lang].edit;
editSpan.addEventListener(
"click",
(function (fname, fsize, editFlg) {
return function () {
showFile(fname, fsize, editFlg);
};
})(fname, fsize, true)
);
editLi.appendChild(editSpan);
actUl.appendChild(editLi);
var delLi = document.createElement("li");
var delSpan = document.createElement("span");
delSpan.innerText = FileManagerMessage[lang].delete;
delLi.appendChild(delSpan);
actUl.appendChild(delLi);
var delCfUl = document.createElement("ul");
var delCfNgLi = document.createElement("li");
var delCfNgSpan = document.createElement("span");
delCfNgSpan.innerText = "-";
delCfNgLi.appendChild(delCfNgSpan);
delCfUl.appendChild(delCfNgLi);
var delCfOkLi = document.createElement("li");
var delCfOkSpan = document.createElement("span");
delCfOkSpan.innerText = FileManagerMessage[lang].do;
delCfOkSpan.addEventListener(
"click",
(function (fname) {
return function () {
remveAndList(fname);
};
})(fname)
);
delCfOkLi.appendChild(delCfOkSpan);
delCfUl.appendChild(delCfOkLi);
delLi.appendChild(delCfUl);
}
li.appendChild(actUl);
//li.innerHTML="<span>"+fname+"</span>";
}
for (var i = 0; i < 3; i++) {
var li = document.createElement("li");
ul.appendChild(li);
}
fileListTable.appendChild(ul);
return lsFiles.prompt;
}
async function cd(dir) {
var ret = await portWritelnWaitfor(
` cd -- ${escapePath(dir)}`,
cmdPrompt
);
ret = await showDir();
//console.log(ret);
currentDir = getDirFromPrompt(ret);
showCurrentDir();
return currentDir;
}
function getDirFromPrompt(promptStr) {
var ret = promptStr
.trim()
.substring(promptStr.lastIndexOf(":") + 1, promptStr.lastIndexOf("$"));
//console.log("getDirFromPrompt:",promptStr," parse:",ret," caller:",getDirFromPrompt.caller);
return ret;
}
async function cdHome() {
await cd("");
}
function removeChildren(element) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
}
textFileExtensions = [
".txt",
".sh",
".csv",
".tsv",
".js",
".conf",
".mjs",
".md",
".yml",
".xml",
".html",
".htm",
".json",
".py",
".php",
];
function isTextFile(path) {
var fname = path.substring(path.lastIndexOf("/"));
var ans = true;
var f_ext = fname.substring(fname.lastIndexOf("."));
var f_name = fname.substring(0, fname.lastIndexOf("."));
if (f_name == "") {
ans = true;
} else if (textFileExtensions.indexOf(f_ext) == -1) {
ans = false;
}
return ans;
}
async function getFileSmall(path) {
// 短いファイルでないとフロー制御できてなくて破綻する？ obsoluted
var ret = await portWritelnWaitfor(
` base64 -- ${escapePath(path)}`,
"\r\n" + cmdPrompt
);
ret = getOutputLines(ret);
var ans = "";
for (var i = 1; i < ret.length - 1; i++) {
ans += ret[i];
}
ans = base64ToArrayBuffer(ans);
if (isTextFile(path)) {
var txtString = new TextDecoder().decode(new Uint8Array(ans));
return txtString;
} else {
return ans;
}
}
var transferFileObj = {};
async function getFile(path, size) {
// 大きいファイルでも、取りこぼしなく取得可能なgetFileを開発
// moreを使って段階的に取得可能なものを作った。途中でキャンセルすることも可能なはず
// sizeは取得予定ファイルの参考情報(なくても良い)
if (transferFileObj.transferring) {
console.warn("NOW File Transferring exit.");
return;
}
transferFileObj.transferring = true;
var totalLines = -1;
if (size) {
totalLines = Math.floor(((4 / 3) * size) / 76);
}
if (progress) {
progress.insertAdjacentHTML(
"afterbegin",
"<span id='progressText'></span><input id='haltButton' type='button' onclick='haltTransferFile()' value='キャンセル' />"
);
}
var ans = "";
portWrite(ctrlc); // こちらもフォアグランドアプリ動作中のものを止める努力をした方が良さそう2021/11/17
await sleep(100);
var ret = await portWritelnWaitfor(
` base64 -- ${escapePath(path)} | sed '$a ENDLINE--More--' | if [ 12 -le $(cat /etc/debian_version | cut -d. -f1) ]; then more --exit-on-eof -50; else more -50; fi`,
"; fi"
);
//console.log(ret);
ret = await portWriteWaitfor("", "--More--");
//console.log(ret);
var lines = 0;
while (true) {
var rets = getOutputLines(ret);
//console.log(rets,rets[rets.length-1]);
for (var i = 0; i < rets.length; i++) {
if (rets[i].indexOf("--More--") >= 0) {
break;
}
ans += rets[i];
++lines;
}
if (ret.indexOf("ENDLINE") >= 0) {
break;
}
if (transferFileObj.halt == true) {
await portWritelnWaitfor("q", cmdPrompt);
break;
}
if (totalLines > 0 && progress) {
progressText.innerText =
"Loading: " + Math.floor((100 * lines) / totalLines) + "%";
}
await sleep(5);
ret = await portWriteWaitfor(" ", "--More--");
}
transferFileObj.transferring = false;
progress.innerText = "";
if (transferFileObj.halt == true) {
transferFileObj.halt = false;
return null;
}
console.log(ans.length);
ans = base64ToArrayBuffer(ans);
console.log(ans);
if (isTextFile(path)) {
var txtString = new TextDecoder().decode(new Uint8Array(ans)); // arrayBuffer to string
return txtString;
} else {
return ans;
}
}
function haltTransferFile() {
// getFileを途中でキャンセルする
if (transferFileObj.transferring) {
transferFileObj.halt = true;
}
}
function existFile(fileName) {
for (var fl of currentDirFiles) {
if (fileName == fl.name) {
return true;
}