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// Extracted from newOS4 index.html — ServerMonitorModule
class ServerMonitorModule {
constructor() {
this.commands = {}; this.terminal = null;
this.servers = this.loadServers(); this.monitorInterval = null;
}
getHelpInfo() {
return {
'server': 'Add a server to monitor: server <name> <url>',
'servers': 'List all monitored servers',
'server-check': 'Check a server status: server-check <name-or-index>',
'server-remove': 'Remove a server: server-remove <name-or-index>',
'monitor': 'Toggle auto-monitoring (checks every 60s)'
};
}
loadServers() {
try {
const saved = localStorage.getItem('webx11_servers');
return saved ? JSON.parse(saved) : [];
} catch (e) { return []; }
}
saveServers() {
localStorage.setItem('webx11_servers', JSON.stringify(this.servers));
}
registerCommands() {
this.commands['server'] = (args) => this.addServer(args);
this.commands['servers'] = () => this.listServers();
this.commands['server-check'] = (args) => this.checkServer(args);
this.commands['server-remove'] = (args) => this.removeServer(args);
this.commands['monitor'] = (args) => this.toggleMonitor(args);
}
addServer(args) {
if (args.length < 2) {
this.terminal.print("Usage: server <name> <url>", "warning"); return;
}
const name = args[0], url = args[1];
this.servers.push({ name, url, status: 'unknown', lastCheck: null });
this.saveServers();
this.terminal.print(`Server '${name}' added`, "success");
}
listServers() {
if (this.servers.length === 0) {
this.terminal.print("No servers configured", "info"); return;
}
this.terminal.print("=== Monitored Servers ===", "info");
this.servers.forEach((s, i) => {
const statusIcon = s.status === 'online' ? '🟢' : s.status === 'offline' ? '🔴' : '⚪';
this.terminal.print(`${i + 1}. ${statusIcon} ${s.name} - ${s.url}`);
if (s.lastCheck) { this.terminal.print(` Last check: ${s.lastCheck}`, "info"); }
});
}
async checkServer(args) {
if (!args[0]) {
this.terminal.print("Usage: server-check <name-or-index>", "warning"); return;
}
const server = this.findServer(args[0]);
if (!server) {
this.terminal.print("Server not found", "error"); return;
}
this.terminal.print(`Checking ${server.name}...`, "info");
try {
const start = Date.now();
const response = await fetch(server.url, { method: 'HEAD', mode: 'no-cors' });
const latency = Date.now() - start;
server.status = 'online'; server.lastCheck = new Date().toLocaleString(); server.latency = latency;
this.saveServers();
this.terminal.print(`✅ ${server.name} is online (${latency}ms)`, "success");
} catch (e) {
server.status = 'offline'; server.lastCheck = new Date().toLocaleString();
this.saveServers();
this.terminal.print(`❌ ${server.name} is offline`, "error");
}
}
removeServer(args) {
if (!args[0]) {
this.terminal.print("Usage: server-remove <name-or-index>", "warning"); return;
}
const index = this.findServerIndex(args[0]);
if (index === -1) {
this.terminal.print("Server not found", "error"); return;
}
this.servers.splice(index, 1);
this.saveServers();
this.terminal.print("Server removed", "success");
}
toggleMonitor(args) {
if (this.monitorInterval) {
clearInterval(this.monitorInterval);
this.monitorInterval = null;
this.terminal.print("Auto-monitor stopped", "warning");
} else {
this.terminal.print("Auto-monitor started (every 60s)", "success");
this.monitorInterval = setInterval(() => {
this.servers.forEach((s, i) => { this.checkServer([String(i + 1)]); });
}, 60000);
}
}
findServer(identifier) {
const index = this.findServerIndex(identifier);
return index !== -1 ? this.servers[index] : null;
}
findServerIndex(identifier) {
const idx = parseInt(identifier) - 1;
if (!isNaN(idx) && idx >= 0 && idx < this.servers.length) { return idx; }
return this.servers.findIndex(s => s.name.toLowerCase() === identifier.toLowerCase());
}
}
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