private Dictionary<string, Host> refresh()
{
lock(locker)
{
long mtime = configFile.LastWriteTime.ToBinary();
if (mtime != lastModified)
{
try
{
FileStream s = new FileStream(configFile.FullName, System.IO.FileMode.Open, FileAccess.Read);
try
{
hosts = parse(s);
}
finally
{
s.Close();
}
}
catch (FileNotFoundException)
{
hosts = new Dictionary<string, Host>();
}
catch (IOException)
{
hosts = new Dictionary<string, Host>();
}
lastModified = mtime;
}
return hosts;
}
}
/// <summary>
/// Obtain the user's configuration data.
/// <para/>
/// The configuration file is always returned to the caller, even if no file
/// exists in the user's home directory at the time the call was made. Lookup
/// requests are cached and are automatically updated if the user modifies
/// the configuration file since the last time it was cached.
/// </summary>
/// <returns>a caching reader of the user's configuration file.</returns>
public static OpenSshConfig get()
{
DirectoryInfo home = FS.userHome() ?? new DirectoryInfo(Path.GetFullPath("."));
FileInfo config = PathUtil.CombineFilePath(home, ".ssh" + Path.DirectorySeparatorChar + "config");
var osc = new OpenSshConfig(home, config);
osc.refresh();
return osc;
}