static void Main(string[] args)
{
//string filePath = "../../Dataset/normal.csv";
string filePath = "../../Dataset/data_ddos.csv";
List <DataInFile> dataInFileList = File.ReadAllLines(filePath).Skip(1).Select(v => DataInFile.FromCsv(v)).ToList();
List <DataInFile> icmpDataList = dataInFileList.Where(x => x.protocol.ToUpper() == "ICMP".ToUpper()).ToList();
List <string> destinationList = icmpDataList.Select(x => x.destination).Distinct().ToList();
List <decimal> timeList = icmpDataList.Select(x => x.time).Distinct().ToList();
List <List <string> > hasilPrediksi = new List <List <string> >();
List <string> dataPrediksi = new List <string>();
dataPrediksi.Add("Time");
dataPrediksi.Add("Source");
dataPrediksi.Add("Destination");
dataPrediksi.Add("Banyak paket");
dataPrediksi.Add("Hasil Prediksi");
hasilPrediksi.Add(dataPrediksi);
foreach (decimal time in timeList)
{
foreach (string destination in destinationList)
{
DataForFuzzy dataForFuzzy = new DataForFuzzy();
dataForFuzzy.jlhData = icmpDataList.Where(x => x.time == time && x.destination.ToUpper() == destination.ToUpper()).ToList().Count;
List <string> dataSource = icmpDataList.Where(x => x.time == time && x.destination.ToUpper() == destination.ToUpper()).Select(y => y.source).ToList();
dataForFuzzy.jlhSource = dataSource.Count;
dataForFuzzy.jlhLength = icmpDataList.Where(x => x.time == time && x.destination.ToUpper() == destination.ToUpper()).Select(y => y.length).ToList().Sum();
if (dataForFuzzy.jlhSource > 0)
{
decimal nilaiPrediksi = DDosDetectorUsingFuzzyLogic(dataForFuzzy);
//thresholding
dataPrediksi = new List <string>();
dataPrediksi.Add(time.ToString());
dataPrediksi.Add(String.Join("; ", dataSource));
dataPrediksi.Add(destination.ToString());
dataPrediksi.Add(dataForFuzzy.jlhLength.ToString());
if (nilaiPrediksi > (decimal)0.4)
{
dataPrediksi.Add("1");
}
else
{
dataPrediksi.Add("0");
}
hasilPrediksi.Add(dataPrediksi);
}
}
}
//Save hasil prediksi ke file
//File.WriteAllLines("../../Dataset/Prediksi/hasilPrediksi_normal.csv", hasilPrediksi.Select(x => string.Join(",", x)));
File.WriteAllLines("../../Dataset/Prediksi/hasilPrediksi_data_ddos.csv", hasilPrediksi.Select(x => string.Join(",", x)));
}
private static decimal DDosDetectorUsingFuzzyLogic(DataForFuzzy dataForFuzzy)
{
decimal nilaiPrediksi = 0M;
#region Fuzzifikasi
List <DataFuzzy> f_jlhData = MF_JlhData(dataForFuzzy.jlhData);
List <DataFuzzy> f_jlhSource = MF_JlhSource(dataForFuzzy.jlhSource);
List <DataFuzzy> f_jlhLength = MF_JlhLength(dataForFuzzy.jlhLength);
#endregion
#region Inference : Conjunction-Disjunction (Min-Max)
//Conjunction (Min)
List <DataFuzzy> hasilConjunction = new List <DataFuzzy>();
foreach (DataFuzzy dt_JlhData in f_jlhData)
{
foreach (DataFuzzy dt_jlhSource in f_jlhSource)
{
foreach (DataFuzzy dt_JlhLength in f_jlhLength)
{
DataFuzzy dataInference = InferenceProcess(dt_JlhData, dt_jlhSource, dt_JlhLength);
hasilConjunction.Add(dataInference);
}
}
}
//Disjunction (Max)
List <DataFuzzy> hasilDisjuntion = new List <DataFuzzy>();
DataFuzzy rendah = new DataFuzzy();
rendah.kategori = "Rendah";
rendah.nilai = hasilConjunction.Where(x => x.kategori.ToUpper() == rendah.kategori.ToUpper()).Select(y => y.nilai).ToList().Max();
hasilDisjuntion.Add(rendah);
DataFuzzy tinggi = new DataFuzzy();
tinggi.kategori = "Tinggi";
tinggi.nilai = hasilConjunction.Where(x => x.kategori.ToUpper() == tinggi.kategori.ToUpper()).Select(y => y.nilai).ToList().Max();
hasilDisjuntion.Add(tinggi);
#endregion
#region Defuzzifikasi : Weighted Average
foreach (DataFuzzy dataDefuzzy in hasilDisjuntion)
{
if (dataDefuzzy.kategori.ToUpper() == "Rendah".ToUpper())
{
nilaiPrediksi += dataDefuzzy.nilai * 0;
}
else if (dataDefuzzy.kategori.ToUpper() == "Tinggi".ToUpper())
{
nilaiPrediksi += dataDefuzzy.nilai * 1;
}
}
decimal totalValue = hasilDisjuntion.Select(x => x.nilai).Sum();
if (totalValue == 0)
{
nilaiPrediksi = 0;
}
else
{
nilaiPrediksi /= totalValue;
}
#endregion
return(nilaiPrediksi);
}