public void EnumerateFiles(List <DataSource> dataSources)
{
_popup.Show();
_popup.Text = "Starting the parse";
var dic = new Dictionary <string, Func <string, List <FileReadObject> > >();
//SevenZipExtractor.SetLibraryPath(Application.ExecutablePath + @"\7z.dll");
int i = 1;
foreach (var source in dataSources)
{
PacketCounter = 0;
PacketTotal = source.Packets;
string pre = i + "/" + dataSources.Count + " ";
_popup.Text = pre + "Reading from " + source.FileInfo.Name;
if (source.SourceType == SourceType.PCAP)
{
pcapReader.Read(source.FileInfo.FullName);
}
else if (source.SourceType == SourceType.PCAPNG)
{
pcapngReader.Read(source.FileInfo.FullName);
}
else if (source.SourceType == SourceType.Zip)
{
if (SevenZipArchive.IsSevenZipFile(source.FileInfo.FullName))
{
using (SevenZipArchive sevenZipArchive = SevenZipArchive.Open(source.FileInfo.FullName))
{
using (var reader = sevenZipArchive.ExtractAllEntries())
{
ZipReader(reader, source);
}
}
GC.Collect();
}
else
{
try
{
using (var filestream = File.OpenRead(source.FileInfo.FullName))
{
using (var reader = ReaderFactory.Open(filestream))
{
ZipReader(reader, source);
}
}
}
catch (InvalidOperationException ex)
{
}
GC.Collect();
}
}
}
_popup.Close();
}
private void InspectFiles(List <string> fileNames)
{
var threads = new List <Thread>();
foreach (var fileName in fileNames)
{
var finfo = new FileInfo(fileName);
if (pcapReader.CanRead(fileName))
{
var reader = new PCAPReader();
var fileReadObjects = reader.Read(fileName);
var first = (PCAPBlock)fileReadObjects.First().ReadObject;
var last = (PCAPBlock)fileReadObjects.Last().ReadObject;
var dsource = new DataSource
{
FileInfo = finfo,
StartTime = first.DateTime,
EndTime = last.DateTime,
SourceType = SourceType.PCAP,
Packets = fileReadObjects.Count
};
UpdateList(dsource);
continue;
}
else if (pcapngReader.CanRead(fileName))
{
var reader = new PCAPNGReader();
var fileReadObjects = reader.Read(fileName);
var first = (PCAPNGBlock)fileReadObjects.First().ReadObject;
var last = (PCAPNGBlock)fileReadObjects.Last().ReadObject;
var dsource = new DataSource
{
FileInfo = finfo,
StartTime = first.Timestamp,
EndTime = last.Timestamp,
SourceType = SourceType.PCAPNG,
Packets = fileReadObjects.Count
};
UpdateList(dsource);
continue;
}
if (SevenZipArchive.IsSevenZipFile(fileName))
{
// because of lousy performance when operating on 7zip, we launch a new thread instead of using tasks
var thread = new Thread(() => DoSevenZip(finfo));
thread.Start();
threads.Add(thread);
continue;
}
// zip performance is much better and we will not thread
DoZip(finfo);
}
UpdateList("Waiting for all threads to finish");
foreach (Thread thread in threads)
{
thread.Join();
}
UpdateList("All threads finished");
}