28 lines
879 B
JavaScript
28 lines
879 B
JavaScript
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'use strict';
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var net = require('net');
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var server = net.createServer(function (conn) {
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function echo(chunk) {
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conn.write(chunk);
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if (chunk.length <= 10 && /\b(q|quit|end|cancel)\b/i.test(chunk.toString('utf8'))) {
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conn.end();
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conn.removeListener('data', echo);
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}
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}
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conn.on('data', echo);
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// NOTE: early versions of telebit do not support a 'connection' event
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// and therefore will say hello after the first message from the client
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conn.write(
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"[Echo Server] Hello! I'm an echo server.\n"
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+ "[Echo Server] I try to be your friend but when I see things like q|quit|end|cancel, I give up.\n"
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);
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});
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server.on('error', function (err) {
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console.error("[echo server]");
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console.error(err);
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});
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server.listen(process.argv[2] || 3000, function () {
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console.info("Listening on", this.address());
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console.info('ctrl+c to cancel');
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});
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