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Performance tweaks to proxy #373

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Dec 6, 2013
Merged

Performance tweaks to proxy #373

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31 changes: 19 additions & 12 deletions proxy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -39,22 +39,32 @@ configlib.configFile(process.argv[2], function (conf, oldConfig) {
// Convert the raw packet to a string (defaults to UTF8 encoding)
var packet_data = msg.toString();
// If the packet contains a \n then it contains multiple metrics
var metrics;
if (packet_data.indexOf("\n") > -1) {
var metrics;
metrics = packet_data.split("\n");
// Loop through the metrics and split on : to get mertric name for hashing
for (var midx in metrics) {
var current_metric = metrics[midx];
var bits = current_metric.split(':');
var key = bits.shift();
if (current_metric !== '') {
var new_msg = new Buffer(current_metric);
packet.emit('send', key, new_msg);
}
}

} else {
// metrics needs to be an array to fake it for single metric packets
metrics = [ packet_data ] ;
}

// Loop through the metrics and split on : to get mertric name for hashing
for (var midx in metrics) {
var bits = metrics[midx].toString().split(':');
var current_metric = packet_data;
var bits = current_metric.split(':');
var key = bits.shift();
packet.emit('send', key, msg);
if (current_metric !== '') {
packet.emit('send', key, msg);
}
}
});

var client = dgram.createSocket(udp_version);
// Listen for the send message, and process the metric key and msg
packet.on('send', function(key, msg) {
// retreives the destination for this key
Expand All @@ -66,11 +76,8 @@ configlib.configFile(process.argv[2], function (conf, oldConfig) {
} else {
var host_config = statsd_host.split(':');

var client = dgram.createSocket(udp_version);
// Send the mesg to the backend
client.send(msg, 0, msg.length, host_config[1], host_config[0], function(err, bytes) {
client.close();
});
client.send(msg, 0, msg.length, host_config[1], host_config[0]);
}
});

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