/// <summary>
/// Parses a URI referring to a LUN.
/// </summary>
/// <param name="uri">The URI to parse</param>
/// <returns>The LUN info</returns>
/// <remarks>
/// Note the LUN info is incomplete, only as much of the information as is encoded
/// into the URL is available.
/// </remarks>
public static LunInfo ParseUri(Uri uri)
{
string address;
int port;
string targetGroupTag = string.Empty;
string targetName = string.Empty;
ulong lun = 0;
if (uri.Scheme != "iscsi")
{
ThrowInvalidURI(uri.OriginalString);
}
address = uri.Host;
port = uri.Port;
if (uri.Port == -1)
{
port = TargetAddress.DefaultPort;
}
string[] uriSegments = uri.Segments;
if (uriSegments.Length == 2)
{
targetName = uriSegments[1].Replace("/", string.Empty);
}
else if (uriSegments.Length == 3)
{
targetGroupTag = uriSegments[1].Replace("/", string.Empty);
targetName = uriSegments[2].Replace("/", string.Empty);
}
else
{
ThrowInvalidURI(uri.OriginalString);
}
TargetInfo targetInfo = new TargetInfo(targetName, new TargetAddress[] { new TargetAddress(address, port, targetGroupTag) });
foreach (var queryElem in uri.Query.Substring(1).Split('&'))
{
if (queryElem.StartsWith("LUN=", StringComparison.OrdinalIgnoreCase))
{
lun = ulong.Parse(queryElem.Substring(4), CultureInfo.InvariantCulture);
if (lun < 256)
{
lun = lun << (6 * 8);
}
}
}
return new LunInfo(targetInfo, (long)lun, LunClass.Unknown, false, string.Empty, string.Empty, string.Empty);
}
/// <summary>
/// Connects to a Target.
/// </summary>
/// <param name="target">The Target to connect to.</param>
/// <returns>The session representing the target connection.</returns>
public Session ConnectTo(TargetInfo target)
{
return ConnectTo(target.Name, target.Addresses);
}
internal LunInfo(TargetInfo targetInfo, long lun, LunClass type, bool removable, string vendor, string product, string revision)
{
_targetInfo = targetInfo;
_lun = lun;
_deviceType = type;
_removable = removable;
_vendorId = vendor;
_productId = product;
_productRevision = revision;
}
