public void Read(string path)
{
if (!File.Exists(path))
{
System.Windows.Forms.MessageBox.Show("File not found - " + path, "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
return;
}
var header = new FileIntegrityHeader();
var list = new List <FileIntegrityEntry>();
using (var reader = new BinaryReader(File.Open(FileIntegrity.FileName, FileMode.Open, FileAccess.Read)))
{
header = reader.ReadStructure <FileIntegrityHeader>();
for (int i = 0; i < header.EntryCount; i++)
{
var entry = new FileIntegrityEntry();
entry.FileNameLen = reader.ReadInt16();
entry.FileName = new string(reader.ReadChars(entry.FileNameLen));
entry.LastModifiedTime = reader.ReadInt64();
entry.Size = reader.ReadInt32();
entry.Checksum = reader.ReadInt32();
list.Add(entry);
}
}
Scan(Environment.CurrentDirectory);
foreach (var entry in Entries)
{
if (list.Contains(entry, new FileIntegrityEntryComparer()))
{
var lentry = list.Find(e => e.FileName == entry.FileName);
if (lentry.LastModifiedTime != entry.LastModifiedTime)
{
System.Windows.Forms.MessageBox.Show("File time missmatch - " + entry.FileName);
}
if (lentry.Size != entry.Size)
{
System.Windows.Forms.MessageBox.Show("File size missmatch - " + entry.FileName);
}
if (lentry.Checksum != entry.Checksum)
{
System.Windows.Forms.MessageBox.Show("File checksum missmatch - " + entry.FileName);
}
}
else
{
System.Windows.Forms.MessageBox.Show("File not found - " + entry.FileName);
}
}
}
/// <summary>
/// Scans the specified directory for file changes.
/// </summary>
/// <param name="path">The specified path of the directory.</param>
public void Scan(string path)
{
foreach (var filename in Directory.GetFiles(path, "*.*", SearchOption.AllDirectories))
{
var info = new FileInfo(filename);
var entry = new FileIntegrityEntry()
{
FileName = info.Name.Insert(0, "\\"),
FileNameLen = (short)(info.Name.Length + 1),
LastModifiedTime = info.LastWriteTime.ToFileTime(),
Size = (int)info.Length
};
Entries.Add(entry);
}
}