293 lines
14 KiB
JavaScript
293 lines
14 KiB
JavaScript
(function () {
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const statusEl = document.getElementById('status');
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const topicEl = document.getElementById('topic');
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const btnJoin = document.getElementById('btnJoin');
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const btnLeave = document.getElementById('btnLeave');
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const peersEl = document.getElementById('peers');
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const publicKeyEl = document.getElementById('publicKey');
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const connSelectRow = document.getElementById('connSelectRow');
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const connSelect = document.getElementById('connSelect');
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const btnEnableHrpc = document.getElementById('btnEnableHrpc');
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const hrpcStatusEl = document.getElementById('hrpcStatus');
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const pingRow = document.getElementById('pingRow');
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const pingValueEl = document.getElementById('pingValue');
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const btnPing = document.getElementById('btnPing');
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const pongResultEl = document.getElementById('pongResult');
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const logEl = document.getElementById('log');
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function setStatus(msg, className) {
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statusEl.textContent = msg;
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statusEl.className = 'status ' + (className || 'ok');
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}
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function log(msg, type) {
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const line = document.createElement('div');
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line.className = type || 'sys';
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line.textContent = '[' + new Date().toLocaleTimeString() + '] ' + msg;
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logEl.appendChild(line);
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logEl.scrollTop = logEl.scrollHeight;
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}
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(function initWhenReady(attempts) {
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if (attempts >= 50) {
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setStatus('BridgeSwarm extension not detected. Install it and reload.', 'error');
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return;
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}
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if (typeof window.BridgeSwarm === 'undefined') {
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setStatus('Waiting for extension…', 'warn');
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setTimeout(function () { initWhenReady(attempts + 1); }, 100);
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return;
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}
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window.BridgeSwarm.ready().then(function () {
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setStatus('Ready. Join a topic, then open another tab and join the same topic.');
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}).catch(function () {
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setStatus('BridgeSwarm extension not detected.', 'error');
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});
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})(0);
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connSelect.addEventListener('change', function () {
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currentConnId = connSelect.value || null;
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});
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let swarm = null;
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let currentConnId = null;
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let hrpcEnabled = false;
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const connectionEntries = [];
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function updatePeers() {
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peersEl.textContent = 'Peers: ' + connectionEntries.length;
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btnEnableHrpc.disabled = !swarm || connectionEntries.length === 0;
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if (connectionEntries.length === 0) {
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connSelectRow.style.display = 'none';
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connSelect.innerHTML = '';
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currentConnId = null;
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hrpcStatusEl.style.display = 'none';
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pingRow.style.display = 'none';
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pongResultEl.style.display = 'none';
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return;
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}
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connSelectRow.style.display = 'flex';
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const sel = connSelect.value;
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connSelect.innerHTML = '';
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const hasAnyHrpc = connectionEntries.some(function (e) { return e.hrpcEnabled; });
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hrpcStatusEl.style.display = '';
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if (hasAnyHrpc) {
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pingRow.style.display = 'flex';
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hrpcStatusEl.textContent = 'HRPC enabled on ' + connectionEntries.filter(function (e) { return e.hrpcEnabled; }).length + ' connection(s). You can ping.';
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hrpcStatusEl.className = 'status ok';
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} else {
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pingRow.style.display = 'none';
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hrpcStatusEl.textContent = 'Enabling HRPC on connection(s)… (wait up to 30s for other tab)';
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hrpcStatusEl.className = 'status';
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}
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connectionEntries.forEach(function (e, i) {
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const keyShort = (e.peerInfo.publicKey || '').slice(0, 16) + '\u2026';
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const opt = document.createElement('option');
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opt.value = e.connId;
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opt.textContent = 'Peer ' + (i + 1) + ' (' + keyShort + ')' + (e.hrpcEnabled ? ' \u2713' : '');
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if (e.connId === currentConnId || (!currentConnId && i === 0)) opt.selected = true;
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connSelect.appendChild(opt);
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});
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currentConnId = connSelect.value || (connectionEntries[0] && connectionEntries[0].connId) || null;
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}
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function enableHrpcForConn(connId) {
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if (typeof window.BridgeSwarm.request !== 'function') return;
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window.BridgeSwarm.request('attachHrpc', { connId }).then(function (res) {
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const entry = connectionEntries.find(function (e) { return e.connId === connId; });
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if (!entry) return;
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if (res && res.ok) {
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entry.hrpcEnabled = true;
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log('HRPC enabled on connection ' + (connectionEntries.indexOf(entry) + 1), 'hrpc');
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updatePeers();
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} else {
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log('HRPC failed for connection: ' + (res && res.error ? res.error : 'unknown'), 'err');
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if (res && res.error && res.error.indexOf('Connection not found') !== -1) {
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const idx = connectionEntries.findIndex(function (e) { return e.connId === connId; });
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if (idx !== -1) connectionEntries.splice(idx, 1);
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if (currentConnId === connId) currentConnId = connectionEntries[0] ? connectionEntries[0].connId : null;
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updatePeers();
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}
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}
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}).catch(function (err) {
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log('HRPC error: ' + err.message, 'err');
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});
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}
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btnJoin.addEventListener('click', async function () {
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if (typeof window.BridgeSwarm === 'undefined') {
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setStatus('Extension not ready.', 'error');
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return;
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}
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const topic = topicEl.value.trim() || 'hrpc-demo';
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if (swarm) return;
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try {
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setStatus('Joining "' + topic + '"…');
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swarm = new window.BridgeSwarm({ appName: 'bridge-swarm-hrpc-demo' });
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swarm.on('connection', function (conn, peerInfo) {
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const peerKey = peerInfo.publicKey || '';
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const keyShort = peerKey.slice(0, 16) + '…';
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const existingIdx = connectionEntries.findIndex(function (e) { return (e.peerInfo.publicKey || '') === peerKey; });
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if (existingIdx !== -1) {
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const old = connectionEntries[existingIdx];
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connectionEntries.splice(existingIdx, 1);
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try { old.conn.destroy(); } catch (_) {}
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log('Replaced connection for peer ' + keyShort, 'sys');
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}
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log('Connection: peer ' + keyShort, 'peer');
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connectionEntries.push({ conn, connId: conn.connId, peerInfo, hrpcEnabled: false });
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updatePeers();
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if (!currentConnId) currentConnId = conn.connId;
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enableHrpcForConn(conn.connId);
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conn.on('end', function () {
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const i = connectionEntries.findIndex(function (e) { return e.conn === conn; });
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if (i !== -1) connectionEntries.splice(i, 1);
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if (currentConnId === conn.connId) currentConnId = connectionEntries[0] ? connectionEntries[0].connId : null;
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updatePeers();
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log('Peer left', 'sys');
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});
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conn.on('error', function (err) { log('Peer error: ' + err.message, 'err'); });
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});
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await swarm.join(topic);
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const pubKey = await swarm.getPublicKey();
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publicKeyEl.textContent = 'Your public key: ' + pubKey;
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setStatus('Joined "' + topic + '". Open another tab and join the same topic; HRPC enables automatically.', 'ok');
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btnJoin.disabled = true;
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btnLeave.disabled = false;
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log('Joined topic: ' + topic, 'sys');
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} catch (err) {
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setStatus('Error: ' + err.message, 'error');
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log('Error: ' + err.message, 'err');
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}
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});
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btnLeave.addEventListener('click', async function () {
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if (!swarm) return;
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try {
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const topic = topicEl.value.trim() || 'hrpc-demo';
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await swarm.leave(topic);
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await swarm.destroy();
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connectionEntries.length = 0;
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currentConnId = null;
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hrpcEnabled = false;
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pingRow.style.display = 'none';
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hrpcStatusEl.style.display = 'none';
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pongResultEl.style.display = 'none';
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updatePeers();
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btnEnableHrpc.disabled = true;
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swarm = null;
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setStatus('Left topic. You can join again.');
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btnJoin.disabled = false;
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btnLeave.disabled = true;
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log('Left topic and destroyed swarm', 'sys');
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} catch (err) {
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log('Error: ' + err.message, 'err');
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}
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});
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btnEnableHrpc.addEventListener('click', async function () {
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const connId = currentConnId || (connectionEntries[0] && connectionEntries[0].connId);
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if (!connId || typeof window.BridgeSwarm.request !== 'function') return;
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const entry = connectionEntries.find(function (e) { return e.connId === connId; });
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try {
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btnEnableHrpc.disabled = true;
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hrpcStatusEl.style.display = '';
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hrpcStatusEl.textContent = 'Enabling HRPC… (wait up to 30s for other tab)';
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hrpcStatusEl.className = 'status';
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log('Retrying HRPC on connection…', 'hrpc');
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const res = await window.BridgeSwarm.request('attachHrpc', { connId });
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if (res && res.ok) {
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if (entry) entry.hrpcEnabled = true;
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hrpcEnabled = true;
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hrpcStatusEl.textContent = 'HRPC enabled. You can ping the peer.';
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hrpcStatusEl.className = 'status ok';
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pingRow.style.display = 'flex';
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log('HRPC enabled', 'hrpc');
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updatePeers();
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} else {
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const errMsg = res && res.error ? res.error : 'Failed to enable HRPC';
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if (errMsg.indexOf('Connection not found') !== -1) {
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const idx = connectionEntries.findIndex(function (e) { return e.connId === connId; });
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if (idx !== -1) connectionEntries.splice(idx, 1);
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if (currentConnId === connId) currentConnId = connectionEntries[0] ? connectionEntries[0].connId : null;
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updatePeers();
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hrpcStatusEl.style.display = '';
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hrpcStatusEl.textContent = 'Connection not found (removed). Select another or refresh.';
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hrpcStatusEl.className = 'status error';
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log('attachHrpc: ' + errMsg, 'err');
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} else {
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hrpcStatusEl.style.display = '';
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hrpcStatusEl.textContent = errMsg;
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hrpcStatusEl.className = 'status error';
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log('attachHrpc failed: ' + errMsg, 'err');
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}
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}
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} catch (err) {
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hrpcStatusEl.style.display = '';
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hrpcStatusEl.textContent = 'Error: ' + err.message;
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hrpcStatusEl.className = 'status error';
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log('Error: ' + err.message, 'err');
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}
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btnEnableHrpc.disabled = !swarm || connectionEntries.length === 0;
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});
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btnPing.addEventListener('click', async function () {
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const hrpcEntry = connectionEntries.find(function (e) { return e.hrpcEnabled && (e.connId === currentConnId || !currentConnId); }) || connectionEntries.find(function (e) { return e.hrpcEnabled; });
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const connId = hrpcEntry ? hrpcEntry.connId : (currentConnId || (connectionEntries[0] && connectionEntries[0].connId));
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if (!connId || typeof window.BridgeSwarm.request !== 'function') return;
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const value = pingValueEl.value.trim();
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const args = value ? { value: value } : {};
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btnPing.disabled = true;
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pongResultEl.style.display = 'none';
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log('Ping peer… (wait up to 15s)', 'hrpc');
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if (!hrpcEntry) log('No HRPC-enabled connection selected; trying anyway.', 'sys');
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const requestPromise = window.BridgeSwarm.request('hrpcInvoke', {
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connId: connId,
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method: 'ping',
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args: args
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});
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const timeoutMs = 16000;
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const timeoutPromise = new Promise(function (_, reject) {
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setTimeout(function () {
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reject(new Error('Request timed out. Ensure the other tab enabled HRPC and only two tabs are in the topic.'));
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}, timeoutMs);
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});
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try {
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const res = await Promise.race([requestPromise, timeoutPromise]);
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if (res && res.ok && res.result) {
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const pong = res.result.pong != null ? res.result.pong : JSON.stringify(res.result);
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pongResultEl.style.display = '';
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pongResultEl.textContent = 'Pong: ' + pong;
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pongResultEl.className = 'status ok';
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log('Pong: ' + pong, 'hrpc');
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} else {
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const errMsg = res && res.error ? res.error : 'No response';
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pongResultEl.style.display = '';
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pongResultEl.textContent = errMsg;
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pongResultEl.className = 'status error';
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log('Ping failed: ' + errMsg, 'err');
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if (errMsg.indexOf('Connection not found') !== -1 || errMsg.indexOf('HRPC not attached') !== -1) {
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const idx = connectionEntries.findIndex(function (e) { return e.connId === connId; });
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if (idx !== -1) connectionEntries.splice(idx, 1);
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if (currentConnId === connId) currentConnId = connectionEntries[0] ? connectionEntries[0].connId : null;
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updatePeers();
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}
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}
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} catch (err) {
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pongResultEl.style.display = '';
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pongResultEl.textContent = 'Error: ' + err.message;
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pongResultEl.className = 'status error';
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log('Error: ' + err.message, 'err');
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if (err.message.indexOf('Connection not found') !== -1 || err.message.indexOf('HRPC not attached') !== -1) {
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const idx = connectionEntries.findIndex(function (e) { return e.connId === connId; });
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if (idx !== -1) connectionEntries.splice(idx, 1);
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if (currentConnId === connId) currentConnId = connectionEntries[0] ? connectionEntries[0].connId : null;
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updatePeers();
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}
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}
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btnPing.disabled = false;
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});
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})();
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