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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@expo/cli/build/src/run/ios/appleDevice/client
Просмотр файла: AFCClient.js
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _debug = _interopRequireDefault(require("debug"));
var fs = _interopRequireWildcard(require("fs"));
var path = _interopRequireWildcard(require("path"));
var _util = require("util");
var _errors = require("../../../../utils/errors");
var _afcprotocol = require("../protocol/AFCProtocol");
var _serviceClient = require("./ServiceClient");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _interopRequireWildcard(obj) {
if (obj && obj.__esModule) {
return obj;
} else {
var newObj = {};
if (obj != null) {
for(var key in obj){
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {};
if (desc.get || desc.set) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
}
newObj.default = obj;
return newObj;
}
}
const debug = (0, _debug).default("expo:apple-device:client:afc");
const MAX_OPEN_FILES = 240;
class AFCClient extends _serviceClient.ServiceClient {
constructor(socket){
super(socket, new _afcprotocol.AFCProtocolClient(socket));
this.socket = socket;
}
async getFileInfo(path1) {
debug(`getFileInfo: ${path1}`);
const response = await this.protocolClient.sendMessage({
operation: _afcprotocol.AFC_OPS.GET_FILE_INFO,
data: toCString(path1)
});
debug(`getFileInfo:response: %O`, response);
const strings = [];
let currentString = "";
const tokens = response.data;
tokens.forEach((token)=>{
if (token === 0) {
strings.push(currentString);
currentString = "";
} else {
currentString += String.fromCharCode(token);
}
});
return strings;
}
async writeFile(fd, data) {
debug(`writeFile: ${Array.prototype.toString.call(fd)} data size: ${data.length}`);
const response = await this.protocolClient.sendMessage({
operation: _afcprotocol.AFC_OPS.FILE_WRITE,
data: fd,
payload: data
});
debug(`writeFile:response:`, response);
return response;
}
async openFile(path2) {
debug(`openFile: ${path2}`);
// mode + path + null terminator
const data = Buffer.alloc(8 + path2.length + 1);
// write mode
data.writeUInt32LE(_afcprotocol.AFC_FILE_OPEN_FLAGS.WRONLY, 0);
// then path to file
toCString(path2).copy(data, 8);
const response = await this.protocolClient.sendMessage({
operation: _afcprotocol.AFC_OPS.FILE_OPEN,
data
});
// debug(`openFile:response:`, response);
if (response.operation === _afcprotocol.AFC_OPS.FILE_OPEN_RES) {
return response.data;
}
throw new _errors.CommandError("APPLE_DEVICE_AFC", `There was an unknown error opening file ${path2}, response: ${Array.prototype.toString.call(response.data)}`);
}
async closeFile(fd) {
debug(`closeFile fd: ${Array.prototype.toString.call(fd)}`);
const response = await this.protocolClient.sendMessage({
operation: _afcprotocol.AFC_OPS.FILE_CLOSE,
data: fd
});
debug(`closeFile:response:`, response);
return response;
}
async uploadFile(srcPath, destPath) {
debug(`uploadFile: ${srcPath}, ${destPath}`);
// read local file and get fd of destination
const [srcFile, destFile] = await Promise.all([
await (0, _util).promisify(fs.readFile)(srcPath),
await this.openFile(destPath),
]);
try {
await this.writeFile(destFile, srcFile);
await this.closeFile(destFile);
} catch (err) {
await this.closeFile(destFile);
throw err;
}
}
async makeDirectory(path3) {
debug(`makeDirectory: ${path3}`);
const response = await this.protocolClient.sendMessage({
operation: _afcprotocol.AFC_OPS.MAKE_DIR,
data: toCString(path3)
});
debug(`makeDirectory:response:`, response);
return response;
}
async uploadDirectory(srcPath, destPath) {
debug(`uploadDirectory: ${srcPath}`);
await this.makeDirectory(destPath);
// AFC doesn't seem to give out more than 240 file handles,
// so we delay any requests that would push us over until more open up
let numOpenFiles = 0;
const pendingFileUploads = [];
const _this = this;
return uploadDir(srcPath);
async function uploadDir(dirPath) {
const promises = [];
for (const file of fs.readdirSync(dirPath)){
const filePath = path.join(dirPath, file);
const remotePath = path.join(destPath, path.relative(srcPath, filePath));
if (fs.lstatSync(filePath).isDirectory()) {
promises.push(_this.makeDirectory(remotePath).then(()=>uploadDir(filePath)
));
} else {
// Create promise to add to promises array
// this way it can be resolved once a pending upload has finished
let resolve;
let reject;
const promise = new Promise((res, rej)=>{
resolve = res;
reject = rej;
});
promises.push(promise);
// wrap upload in a function in case we need to save it for later
const uploadFile = (tries = 0)=>{
numOpenFiles++;
_this.uploadFile(filePath, remotePath).then(()=>{
resolve();
numOpenFiles--;
const fn = pendingFileUploads.pop();
if (fn) {
fn();
}
}).catch((err)=>{
// Couldn't get fd for whatever reason, try again
// # of retries is arbitrary and can be adjusted
if (err.status === _afcprotocol.AFC_STATUS.NO_RESOURCES && tries < 10) {
debug(`Received NO_RESOURCES from AFC, retrying ${filePath} upload. ${tries}`);
uploadFile(tries++);
} else {
numOpenFiles--;
reject(err);
}
});
};
if (numOpenFiles < MAX_OPEN_FILES) {
uploadFile();
} else {
debug(`numOpenFiles >= ${MAX_OPEN_FILES}, adding to pending queue. Length: ${pendingFileUploads.length}`);
pendingFileUploads.push(uploadFile);
}
}
}
await Promise.all(promises);
}
}
}
exports.AFCClient = AFCClient;
function toCString(s) {
const buf = Buffer.alloc(s.length + 1);
const len = buf.write(s);
buf.writeUInt8(0, len);
return buf;
}
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