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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
// Wrapper around the ADB utility.
"use strict";
const OKAY = 0x59414b4f;
const shell = async function (deviceId, command) {
if (!deviceId) {
throw new Error("ADB shell command needs the device id");
}
let state;
let stdout = "";
dumpn("shell " + command + " on " + deviceId);
return new Promise((resolve, reject) => {
const shutdown = function () {
dumpn("shell shutdown");
socket.close();
reject("BAD_RESPONSE");
};
const runFSM = function runFSM(data) {
dumpn("runFSM " + state);
let req;
let ignoreResponseCode = false;
switch (state) {
case "start":
state = "send-transport";
runFSM();
break;
case "send-transport":
req = client.createRequest("host:transport:" + deviceId);
socket.send(req);
state = "wait-transport";
break;
case "wait-transport":
if (!client.checkResponse(data, OKAY)) {
shutdown();
return;
}
state = "send-shell";
runFSM();
break;
case "send-shell":
req = client.createRequest("shell:" + command);
socket.send(req);
state = "rec-shell";
break;
case "rec-shell":
if (!client.checkResponse(data, OKAY)) {
shutdown();
return;
}
state = "decode-shell";
if (client.getBuffer(data).byteLength == 4) {
break;
}
ignoreResponseCode = true;
// eslint-disable-next-lined no-fallthrough
case "decode-shell":
const decoder = new TextDecoder();
const text = new Uint8Array(
client.getBuffer(data),
ignoreResponseCode ? 4 : 0
);
stdout += decoder.decode(text);
break;
default:
dumpn("shell Unexpected State: " + state);
reject("UNEXPECTED_STATE");
}
};
const socket = client.connect();
socket.s.onerror = function () {
dumpn("shell onerror");
reject("SOCKET_ERROR");
};
socket.s.onopen = function () {
dumpn("shell onopen");
state = "start";
runFSM();
};
socket.s.onclose = function () {
resolve(stdout);
dumpn("shell onclose");
};
socket.s.ondata = function (event) {
dumpn("shell ondata");
runFSM(event.data);
};
});
};
exports.shell = shell;