static void Main(string[] args)
{
if (args == null || args.Length != 2)
{
throw new Exception("must supply in-file and out-file as arguments");
}
string inFilePath = args[0];
string outFilePath = args[1];
using (var inFile = File.OpenText(inFilePath))
using (var outFile = new StreamWriter(outFilePath))
{
outFile.WriteLine("InfoTimeUtc,UsedMem,CmdThisSec,InstOpsThisSec,NetInBytesThisSec,NetOutBytesThisSec");
RedisInfo redisInfo = null;
long lastTcp = Int64.MaxValue;
long lastTnib = Int64.MaxValue;
long lastTnob = Int64.MaxValue;
while (!inFile.EndOfStream)
{
string line = inFile.ReadLine();
if (String.IsNullOrWhiteSpace(line))
{
continue;
}
if (line.StartsWith("[INFO]"))
{
redisInfo = new RedisInfo
{
InfoTimeUtc = DateTime.Parse(line.Substring(7))
};
}
else if (line.StartsWith("used_memory:"))
{
redisInfo.UsedMem = Int64.Parse(line.Substring(12));
}
else if (line.StartsWith("total_commands_processed:"))
{
long tcp = Int64.Parse(line.Substring(25));
if (tcp > lastTcp)
{
redisInfo.OpsThisSec = tcp - lastTcp;
}
lastTcp = tcp;
}
else if (line.StartsWith("instantaneous_ops_per_sec:"))
{
redisInfo.InstOpsThisSec = Int64.Parse(line.Substring(26));
}
else if (line.StartsWith("total_net_input_bytes:"))
{
long tnib = Int64.Parse(line.Substring(22));
if (tnib > lastTnib)
{
redisInfo.BytesInThisSec = tnib - lastTnib;
}
lastTnib = tnib;
}
else if (line.StartsWith("total_net_output_bytes:"))
{
long tnob = Int64.Parse(line.Substring(23));
if (tnob > lastTnob)
{
redisInfo.BytesOutThisSec = tnob - lastTnob;
}
lastTnob = tnob;
WriteInfo(outFile, redisInfo);
}
}
}
}
static void WriteInfo(StreamWriter file, RedisInfo redisInfo)
{
file.WriteLine($"{redisInfo.InfoTimeUtc.ToString("yyyy-MM-dd HH:mm:ss")},{redisInfo.UsedMem},{redisInfo.OpsThisSec},{redisInfo.InstOpsThisSec},{redisInfo.BytesInThisSec},{redisInfo.BytesOutThisSec}");
}
