32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
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// A simple web server that generates dyanmic content based on responses from Redis
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var http = require("http"), server,
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redis_client = require("redis").createClient();
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server = http.createServer(function (request, response) {
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response.writeHead(200, {
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"Content-Type": "text/plain"
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});
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var redis_info, total_requests;
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redis_client.info(function (err, reply) {
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redis_info = reply; // stash response in outer scope
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});
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redis_client.incr("requests", function (err, reply) {
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total_requests = reply; // stash response in outer scope
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});
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redis_client.hincrby("ip", request.connection.remoteAddress, 1);
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redis_client.hgetall("ip", function (err, reply) {
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// This is the last reply, so all of the previous replies must have completed already
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response.write("This page was generated after talking to redis.\n\n" +
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"Redis info:\n" + redis_info + "\n" +
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"Total requests: " + total_requests + "\n\n" +
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"IP count: \n");
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Object.keys(reply).forEach(function (ip) {
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response.write(" " + ip + ": " + reply[ip] + "\n");
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});
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response.end();
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});
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}).listen(80);
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