Diffusion Ant (master) Code

ant/tests/tmp_ipv6_bind_test.mjs
dce8e2e6fb90master

tmp_ipv6_bind_test.mjs
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			import net from 'node:net';

			function tryListen(port, host) {
			return new Promise((resolve) => {
			const server = net.createServer();
			server.once('error', (e) => {
			console.log(` error on ${host}:${port} — code=${e.code} message=${e.message}`);
			server.close(() => resolve({ ok: false, code: e.code }));
			});
			server.once('listening', () => {
			const addr = server.address();
			console.log(` listening on ${JSON.stringify(addr)}`);
			server.close(() => resolve({ ok: true }));
			});
			server.listen(port, host);
			});
			}

			const hosts = ['0.0.0.0', '::', '0000:0000:0000:0000:0000:0000:0000:0000'];
			for (const host of hosts) {
			process.stdout.write(`tryListen(9874, '${host}') ... `);
			const result = await tryListen(9874, host);
			console.log(result.ok ? 'ok' : `fail(${result.code})`);
			}

			console.log('done');

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