static void Main(string[] args)
{
if (args.Length != 2)
{
Console.WriteLine("Usage: PerFileAccessLog.exe SizeInMegabytes outputfile, e.g. PerFileAccessLog 1000 C:\\myoutputfile.csv");
}
int sizeInMb = -1;
if (!Int32.TryParse(args[0], out sizeInMb) || sizeInMb < 1)
{
Console.WriteLine("Unable to parse size argument. Should be positive integer.");
}
string outputFile = args[1];
var sizeInBytes = sizeInMb * 1024 * 1024;
var date = new DateTime(2015, 1, 1);
var random = new Random();
long bytes = 0;
using (var outfile = System.IO.File.Open(outputFile, FileMode.CreateNew))
{
while (bytes < sizeInBytes)
{
var numEntriesForDate = random.Next(0, 500000);
for (int i = 0; i < numEntriesForDate; i++)
{
var logEntry = new PerFileLogEntry(date);
var entryBytes = System.Text.Encoding.UTF8.GetBytes(logEntry.ToString());
outfile.Write(entryBytes, 0, entryBytes.Length);
bytes += entryBytes.Length;
if (bytes >= sizeInBytes)
{
break;
}
}
date = date.AddDays(1);
}
}
}
static void Main(string[] args)
{
if (args.Length != 2)
{
throw new ArgumentException();
}
if (!int.TryParse(args[0], out int sizeInMb) || sizeInMb < 1)
{
throw new ArgumentNullException(nameof(sizeInMb));
}
string outputFile = args[1];
long bytes = 0;
var random = new Random();
var date = new DateTime(2018, 1, 1);
int sizeInBytes = sizeInMb * 1024 * 1024;
using (FileStream outfile = File.Open(outputFile, FileMode.CreateNew))
{
while (bytes < sizeInBytes)
{
int numEntriesForDate = random.Next(0, 500000);
for (int i = 0; i < numEntriesForDate; i++)
{
date = date.AddHours(1);
var logEntry = new PerFileLogEntry(date);
byte[] entryBytes = Encoding.UTF8.GetBytes(logEntry.ToString());
outfile.Write(entryBytes, 0, entryBytes.Length);
bytes += entryBytes.Length;
if (bytes >= sizeInBytes)
{
break;
}
}
}
}
}