1import { deviceToolMaintenanceScript } from "./deviceToolMaintenance.ts";
2import { AGENT_DEVICE_VERSION, DEVICE_HUB_VERSION } from "./DeviceToolchain.ts";
3
4export const quoteRemoteArg = (value: string) => `'${value.replaceAll("'", "'\"'\"'")}'`;
5
6/** Resolve common non-interactive SDK and Node locations without sourcing user shell scripts. */
7export const remoteDeviceEnvironment = `export PATH="$HOME/.local/bin:/opt/homebrew/bin:/usr/local/bin:$PATH"
8if [ -z "$ANDROID_HOME" ]; then
9 if [ -d "$HOME/Library/Android/sdk" ]; then export ANDROID_HOME="$HOME/Library/Android/sdk";
10 elif [ -d "$HOME/Android/Sdk" ]; then export ANDROID_HOME="$HOME/Android/Sdk"; fi
11fi
12if [ -n "$ANDROID_HOME" ]; then export PATH="$ANDROID_HOME/platform-tools:$ANDROID_HOME/emulator:$PATH"; fi
13if [ -z "$JAVA_HOME" ] && ! command -v java >/dev/null 2>&1; then
14 for device_java_home in "$HOME/.local/opt/android-studio/jbr" /opt/android-studio/jbr /Applications/Android\\ Studio.app/Contents/jbr "$HOME/Applications/Android Studio.app/Contents/jbr"; do
15 if [ -x "$device_java_home/bin/java" ]; then export JAVA_HOME="$device_java_home"; break; fi
16 done
17fi
18if [ -n "$JAVA_HOME" ]; then export PATH="$JAVA_HOME/bin:$PATH"; fi
19`;
20
21/** Node runs this on the host. All paths it returns belong to that host. */
22export const remoteDeviceScript = (
23 owner: string,
24 mode: "probe" | "start" | "agent-start" | "stop-agent" | "stop",
25) =>
26 `
27const owner = ${JSON.stringify(owner)};
28const mode = ${JSON.stringify(mode)};
29const hubVersion = ${JSON.stringify(DEVICE_HUB_VERSION)};
30const agentVersion = ${JSON.stringify(AGENT_DEVICE_VERSION)};
31` +
32 deviceToolMaintenanceScript +
33 String.raw`
34const fs = require('node:fs');
35const path = require('node:path');
36const os = require('node:os');
37const net = require('node:net');
38const { spawn, spawnSync } = require('node:child_process');
39const root = path.join(os.homedir(), '.t3', 'device');
40const state = path.join(root, 'hosts', owner);
41const run = (command, args, options = {}) => spawnSync(command, args, { encoding: 'utf8', timeout: 30000, ...options });
42const read = (file) => { try { return JSON.parse(fs.readFileSync(file, 'utf8')); } catch { return null; } };
43const write = (file, value) => { const tmp = file + '.' + process.pid; fs.writeFileSync(tmp, JSON.stringify(value), { mode: 0o600 }); fs.renameSync(tmp, file); };
44const toolVersions = (name, requiredVersion, entry, record) => {
45 const directory = path.join(root, 'tools');
46 const prefix = name + '@';
47 let names = [];
48 try { names = fs.readdirSync(directory); } catch (error) { if (error.code !== 'ENOENT') return null; }
49 let unreadable = false;
50 const installedVersions = names.filter(name => name.startsWith(prefix)).map(name => name.slice(prefix.length)).filter(version => {
51 if (!/^[0-9]+\.[0-9]+\.[0-9]+(?:-[a-zA-Z0-9.-]+)?$/.test(version)) return false;
52 const dir = path.join(directory, prefix + version);
53 try { return fs.readFileSync(path.join(dir, '.install-complete'), 'utf8').trim() === version && fs.existsSync(path.join(dir, 'node_modules', name, entry)); } catch (error) { if (error.code !== 'ENOENT') unreadable = true; return false; }
54 }).sort();
55 if (unreadable) return null;
56 let runningVersion = null;
57 if (record?.entryPath && record?.pid) {
58 const command = run('ps', ['-p', String(record.pid), '-o', 'command=']).stdout || '';
59 runningVersion = installedVersions.find(version => {
60 const install = path.join(directory, prefix + version);
61 return record.entryPath === path.join(install, 'node_modules', name, entry) && command.includes(install + path.sep);
62 }) ?? null;
63 }
64 return { requiredVersion, installedVersions, runningVersion };
65};
66const versions = () => {
67 const result = {
68 hub: toolVersions('expo-device-hub', hubVersion, 'dist/server/cli.mjs', read(path.join(state, 'hub.json'))),
69 agent: toolVersions('agent-device', agentVersion, 'bin/agent-device.mjs', { ...read(path.join(state, 'agent.json')), ...read(path.join(state, 'daemon.json')) }),
70 };
71 return result.hub && result.agent ? result : undefined;
72};
73const stopHub = hub => {
74 if (!hub || hub.owner !== owner) return;
75 const command = run('ps', ['-p', String(hub.pid), '-o', 'command=']).stdout || '';
76 if (command.includes(hub.entryPath) && command.includes(String(hub.port))) {
77 try { process.kill(hub.pid, 'SIGTERM'); } catch {}
78 }
79};
80const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
81const healthy = async (port, route) => { try { return (await fetch('http://127.0.0.1:' + port + route, { signal: AbortSignal.timeout(2000) })).ok; } catch { return false; } };
82const port = () => new Promise((resolve, reject) => { const server = net.createServer(); server.once('error', reject); server.listen(0, '127.0.0.1', () => { const value = server.address().port; server.close(() => resolve(value)); }); });
83async function acquireLock(lock, complete = () => false) {
84 const deadline = Date.now() + 600000;
85 const token = process.pid + ':' + require('node:crypto').randomUUID();
86 const owner = () => { try { return fs.readlinkSync(lock); } catch (error) { if (error.code === 'ENOENT') return null; throw error; } };
87 while (true) {
88 try {
89 // Publishing the PID and token is atomic; suspension cannot leave an incomplete owner.
90 fs.symlinkSync(token, lock);
91 return () => { if (owner() === token) fs.unlinkSync(lock); };
92 } catch (error) {
93 if (error.code !== 'EEXIST') throw error;
94 if (complete()) return null;
95 const previous = owner();
96 if (previous === null) continue;
97 const pid = Number(previous.split(':')[0]);
98 if (!Number.isSafeInteger(pid) || pid <= 0) throw Error('Invalid device lock at ' + lock);
99 try { process.kill(pid, 0); } catch (error) {
100 if (error.code === 'ESRCH' && owner() === previous) {
101 try { fs.unlinkSync(lock); } catch (error) { if (error.code !== 'ENOENT') throw error; }
102 continue;
103 }
104 }
105 if (Date.now() > deadline) throw Error('Device operation is locked at ' + lock + '. Check the other installer before removing the lock.');
106 await sleep(500);
107 }
108 }
109}
110async function install(name, version, entry) {
111 const dir = path.join(root, 'tools', name + '@' + version);
112 const file = path.join(dir, 'node_modules', name, entry);
113 const complete = () => fs.existsSync(file) && fs.existsSync(path.join(dir, '.install-complete')) && fs.readFileSync(path.join(dir, '.install-complete'), 'utf8').trim() === version;
114 if (complete()) return file;
115 fs.mkdirSync(path.dirname(dir), { recursive: true });
116 const lock = dir + '.lock';
117 const release = await acquireLock(lock, complete);
118 if (!release) return file;
119 let staging;
120 try {
121 if (complete()) return file;
122 staging = fs.mkdtempSync(path.join(path.dirname(dir), '.install-'));
123 const result = run('npm', ['install', '--prefix', staging, '--no-fund', '--no-audit', name + '@' + version], { timeout: 600000, maxBuffer: 8 * 1024 * 1024 });
124 if (result.status !== 0) throw Error('Installing ' + name + ': ' + (result.error?.message || result.stderr?.slice(-2000)));
125 if (!fs.existsSync(path.join(staging, 'node_modules', name, entry))) throw Error('Missing installed entry for ' + name);
126 fs.writeFileSync(path.join(staging, '.install-complete'), version);
127 fs.rmSync(dir, { recursive: true, force: true });
128 fs.renameSync(staging, dir);
129 return file;
130 } finally {
131 if (staging) fs.rmSync(staging, { recursive: true, force: true });
132 release();
133 }
134}
135(async () => {
136 const ios = process.platform === 'darwin' && run('xcrun', ['simctl', 'help']).status === 0;
137 const android = run('adb', ['version']).status === 0;
138 const platforms = [
139 { platform: 'ios', available: ios, ...(!ios ? { reason: 'iOS needs macOS with Xcode and working xcrun simctl.' } : {}) },
140 { platform: 'android', available: android, ...(!android ? { reason: 'Android SDK missing. Set ANDROID_HOME or put adb on the SSH PATH.' } : {}) },
141 ];
142 if (mode === 'probe') {
143 if (Number(process.versions.node.split('.')[0]) < 22) throw Error('Node 22 or newer is required on the device host.');
144 if (run('npm', ['--version']).status !== 0) throw Error('npm is missing from the non-interactive SSH PATH.');
145 console.log(JSON.stringify({ nodePath: process.execPath, platforms, tools: versions() })); return;
146 }
147 fs.mkdirSync(state, { recursive: true, mode: 0o700 });
148 // Serialize starts and stops for this environment/host owner, including agent startup.
149 const hostLock = path.join(state, 'runtime.lock');
150 const releaseHost = await acquireLock(hostLock);
151 try {
152 const hubFile = path.join(state, 'hub.json');
153 const daemonFile = path.join(state, 'daemon.json');
154 const agentFile = path.join(state, 'agent.json');
155 if (mode === 'stop' || mode === 'stop-agent') {
156 const hub = read(hubFile);
157 if (mode === 'stop' && hub && hub.owner === owner) {
158 stopHub(hub);
159 fs.rmSync(hubFile, { force: true });
160 }
161 const entry = read(agentFile)?.entryPath || path.join(root, 'tools', 'agent-device@' + agentVersion, 'node_modules', 'agent-device', 'bin', 'agent-device.mjs');
162 if (fs.existsSync(entry)) run(process.execPath, [entry, 'daemon', 'stop', '--state-dir', state]);
163 return;
164 }
165 if (!ios && !android) throw Error(platforms.map(p => p.reason).join(' '));
166 fs.mkdirSync(state, { recursive: true, mode: 0o700 });
167 const hubEntry = await install('expo-device-hub', hubVersion, 'dist/server/cli.mjs');
168 let hub = read(hubFile);
169 if (!hub || hub.owner !== owner || hub.entryPath !== hubEntry || !await healthy(hub.port, '/readyz')) {
170 stopHub(hub);
171 for (let attempt = 0; attempt < 5; attempt++) {
172 const hubPort = await port();
173 const log = fs.openSync(path.join(state, 'hub.log'), 'a');
174 const child = spawn(process.execPath, [hubEntry, '--port', String(hubPort), '--host', '127.0.0.1', '--hide-sidebar', '--hide-boot-device'], {
175 cwd: state, detached: true, stdio: ['ignore', log, log], env: { ...process.env, FORCE_COLOR: '0', NO_COLOR: '1' },
176 });
177 try { await new Promise((resolve, reject) => { child.once('spawn', resolve); child.once('error', reject); }); }
178 finally { fs.closeSync(log); }
179 child.unref();
180 hub = { owner, pid: child.pid, port: hubPort, entryPath: hubEntry };
181 write(hubFile, hub);
182 const deadline = Date.now() + 30000;
183 let listening = false;
184 while (child.exitCode === null && child.signalCode === null) {
185 if (await healthy(hub.port, '/readyz')) { listening = true; break; }
186 if (Date.now() > deadline) { stopHub(hub); throw Error('Device hub did not become ready. See ' + path.join(state, 'hub.log')); }
187 await sleep(200);
188 }
189 if (listening) break;
190 // Port reservation and binding happen in different processes. Retry an early exit with a fresh port.
191 fs.rmSync(hubFile, { force: true });
192 if (attempt === 4) throw Error('Device hub exited before becoming ready. See ' + path.join(state, 'hub.log'));
193 }
194 }
195 let agentResult = {};
196 if (mode === 'agent-start') {
197 const agentEntry = await install('agent-device', agentVersion, 'bin/agent-device.mjs');
198 const previousAgent = read(agentFile)?.entryPath;
199 let daemon = read(daemonFile);
200 if (daemon && (previousAgent !== agentEntry || !await healthy(daemon.httpPort, '/health'))) {
201 const stopped = run(process.execPath, [previousAgent || agentEntry, 'daemon', 'stop', '--state-dir', state]);
202 if (stopped.status !== 0) throw Error('Could not stop the previous agent-device version.');
203 fs.rmSync(daemonFile, { force: true });
204 daemon = null;
205 }
206 if (!daemon) {
207 fs.rmSync(daemonFile, { force: true });
208 const env = { ...process.env, AGENT_DEVICE_STATE_DIR: state, AGENT_DEVICE_DAEMON_SERVER_MODE: 'http', AGENT_DEVICE_DAEMON_IDLE_TIMEOUT_MS: '0', AGENT_DEVICE_NO_UPDATE_NOTIFIER: '1' };
209 delete env.AGENT_DEVICE_DAEMON_BASE_URL; delete env.AGENT_DEVICE_DAEMON_AUTH_TOKEN; delete env.AGENT_DEVICE_CONFIG;
210 run(process.execPath, [agentEntry, 'devices', '--json'], { env });
211 daemon = read(daemonFile);
212 }
213 if (!daemon || !await healthy(daemon.httpPort, '/health')) throw Error('agent-device daemon did not become ready in ' + state);
214 write(agentFile, { entryPath: agentEntry });
215 agentResult = { daemonPort: daemon.httpPort, token: daemon.token, entryPath: agentEntry };
216 }
217 const vendor = path.resolve(path.dirname(hubEntry), '../../vendor/serve-sim/dist');
218 const optional = file => fs.existsSync(file) ? file : null;
219 await pruneTools(path.join(root, 'tools'), [['expo-device-hub', hubVersion], ...(mode === 'agent-start' ? [['agent-device', agentVersion]] : [])], true).catch(() => {});
220 console.log(JSON.stringify({ nodePath: process.execPath, platforms, tools: versions(), hubPort: hub.port, ...agentResult,
221 helpers: { serveSimAxSettings: optional(path.join(vendor, 'simax/serve-sim-ax-settings')), serveSimCli: optional(path.join(vendor, 'serve-sim.js')) } }));
222 } finally { releaseHost(); }
223})().catch(error => { console.error(error.message); process.exitCode = 1; });
224`;