/// <summary>
/// Get a name for mutex base on the path.
/// </summary>
/// <param name="path">Custom file or directory path.</param>
/// <param name="isGlobal">The name is for global mutex?</param>
/// <returns>A name for mutex base on the path.</returns>
public static string GetMutexNameForPath(string path, bool isGlobal = true)
{
var fullPath = Path.GetFullPath(path);
var pathMd5 = MD5CryptoUtility.ComputeHash(fullPath);
return(GetMutexName(pathMd5, isGlobal));
}
public void ComputeHashTest()
{
var buffer = new byte[] { 0, 1, 2 };
var hash = MD5CryptoUtility.ComputeHash(buffer);
Assert.IsNotNull(hash);
Console.WriteLine(hash);
}
public void ComputeFileHashTest()
{
var filePath = string.Format("{0}/MGS.Common.xml", Environment.CurrentDirectory);
var hash = MD5CryptoUtility.ComputeFileHash(filePath);
Assert.IsNotNull(hash);
Console.WriteLine(hash);
}
public void ComputeHashTest1()
{
var source = "ComputeHashTest1";
var hash = MD5CryptoUtility.ComputeHash(source);
Assert.IsNotNull(hash);
Console.WriteLine(hash);
}
/// <summary>
/// Copy the file in to cache.
/// </summary>
/// <param name="file">The target file path.</param>
/// <param name="key">Key for cache file [Use md5 hash of file path as key if the value is null or empty].</param>
/// <returns>The key for cache file.</returns>
public string CopyFrom(string file, string key = null)
{
if (!File.Exists(file))
{
return(null);
}
if (string.IsNullOrEmpty(key))
{
key = MD5CryptoUtility.ComputeHash(file);
}
var cacheFile = ResolveFile(key);
DirectoryUtility.RequireDirectory(cacheFile);
File.Copy(file, cacheFile, true);
return(key);
}
/// <summary>
/// Find the cache file from cache by key.
/// </summary>
/// <param name="key">Key for cache file.</param>
/// <param name="md5Hash">Matching file md5 hash [Do not check md5 hash if the value is null or empty].</param>
/// <returns>The path of cache file from cache by key.</returns>
public string FindFile(string key, string md5Hash)
{
var filePath = ResolveFile(key);
if (File.Exists(filePath))
{
if (string.IsNullOrEmpty(md5Hash))
{
return(filePath);
}
var fileMd5 = MD5CryptoUtility.ComputeFileHash(filePath);
if (fileMd5.Equals(md5Hash))
{
return(filePath);
}
}
return(null);
}
