public RandomDataStreamContent(DataGenerationType dataGenerationType, long desiredLength, int bufferSize, Action <long> progressUpdater = null)
{
if (bufferSize <= 0)
{
throw new ArgumentOutOfRangeException(nameof(bufferSize));
}
_bufferSize = bufferSize;
_progressUpdater = progressUpdater;
_desiredLength = desiredLength;
_generator = DataGeneratorFactory.GetNewDataGenerator(dataGenerationType);
}
public static IDataGenerator GetNewDataGenerator(DataGenerationType dataGenerationType)
{
switch (dataGenerationType)
{
case DataGenerationType.Binary:
return(new RandomBinaryDataGenerator());
case DataGenerationType.Text:
return(new RandomUtf8TextDataGenerator());
default:
throw new InvalidOperationException(nameof(dataGenerationType));
}
}
private RandomDataStreamContent GenerateFileContent(string fileName, long fileSize, DataGenerationType type)
{
var fileContent = new RandomDataStreamContent(type, fileSize, fileName);
fileContent.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data")
{
Name = "\"files\"",
FileName = "\"" + fileName + "\""
};
var mediaType = type == DataGenerationType.Binary ? "application/octet-stream" : "text/plain";
fileContent.Headers.ContentType = new MediaTypeHeaderValue(mediaType);
return(fileContent);
}
// 10MB/100MB/1GB [5:3:1]
private RandomDataStreamContent FiveThreeOneChanceOfTenMegHundredMegOneGig(string fileName, DataGenerationType type)
{
// We do this by getting a random value between 0 and 8, and then deciding on size:
// 0 -> 10 MB
// 1 -> 10 MB
// 2 -> 10 MB
// 3 -> 10 MB
// 4 -> 10 MB
// 5 -> 100 MB
// 6 -> 100 MB
// 7 -> 100 MB
// 8 -> 1 GB
long fileSize;
var selector = Random.Next(0, 8);
if (selector <= 4)
{
fileSize = 10 * OneMegabyte;
}
else if (selector < 8)
{
fileSize = 100 * OneMegabyte;
}
else
{
fileSize = OneGigabyte;
}
return(GenerateFileContent(fileName, fileSize, type));
}
public RandomDataStreamContent(DataGenerationType dataGenerationType, long desiredLength, string fileName, Action <long> progressUpdater = null) :
this(dataGenerationType, desiredLength, DefaultBufferSize, fileName, progressUpdater)
{
}
