private static DfsInfo GetDfsInfoCore(bool getFromClient, string dfsName, string serverName, string shareName)
{
if (!Filesystem.NativeMethods.IsAtLeastWindowsVista)
{
throw new PlatformNotSupportedException(Resources.Requires_Windows_Vista_Or_Higher);
}
if (Utils.IsNullOrWhiteSpace(dfsName))
{
throw new ArgumentNullException("dfsName");
}
serverName = Utils.IsNullOrWhiteSpace(serverName) ? null : serverName;
shareName = Utils.IsNullOrWhiteSpace(shareName) ? null : shareName;
SafeGlobalMemoryBufferHandle safeBuffer;
// Level 9 = DFS_INFO_9
uint lastError = getFromClient
? NativeMethods.NetDfsGetClientInfo(dfsName, serverName, shareName, 9, out safeBuffer)
: NativeMethods.NetDfsGetInfo(dfsName, null, null, 9, out safeBuffer);
if (lastError == Win32Errors.NERR_Success)
{
return(new DfsInfo(safeBuffer.PtrToStructure <NativeMethods.DFS_INFO_9>(0)));
}
throw new NetworkInformationException((int)lastError);
}
internal static DfsInfo GetDfsInfoCore(bool getFromClient, string dfsName, string serverName, string shareName)
{
if (!Filesystem.NativeMethods.IsAtLeastWindowsVista)
{
throw new PlatformNotSupportedException(new Win32Exception((int)Win32Errors.ERROR_OLD_WIN_VERSION).Message);
}
if (Utils.IsNullOrWhiteSpace(dfsName))
{
throw new ArgumentNullException("dfsName");
}
serverName = !Utils.IsNullOrWhiteSpace(serverName) ? serverName : null;
shareName = !Utils.IsNullOrWhiteSpace(shareName) ? shareName : null;
SafeGlobalMemoryBufferHandle safeBuffer;
// Level 9 = DFS_INFO_9
var lastError = getFromClient ? NativeMethods.NetDfsGetClientInfo(dfsName, serverName, shareName, 9, out safeBuffer) : NativeMethods.NetDfsGetInfo(dfsName, null, null, 9, out safeBuffer);
if (lastError == Win32Errors.NERR_Success)
{
return(new DfsInfo(safeBuffer.PtrToStructure <NativeMethods.DFS_INFO_9>(0)));
}
throw new NetworkInformationException((int)lastError);
}
private static DfsInfo GetDfsInfoInternal(bool getFromClient, string dfsName, string serverName, string shareName)
{
if (!Filesystem.NativeMethods.IsAtLeastWindowsVista)
{
throw new PlatformNotSupportedException(Resources.RequiresWindowsVistaOrHigher);
}
if (Utils.IsNullOrWhiteSpace(dfsName))
{
throw new ArgumentNullException("dfsName");
}
serverName = Utils.IsNullOrWhiteSpace(serverName) ? null : serverName;
shareName = Utils.IsNullOrWhiteSpace(shareName) ? null : shareName;
// MSDN: This buffer is allocated by the system (the API).
var buffer = IntPtr.Zero;
try
{
// Level 4 = DFS_INFO_4
uint lastError = getFromClient
? NativeMethods.NetDfsGetClientInfo(dfsName, serverName, shareName, 4, out buffer)
: NativeMethods.NetDfsGetInfo(dfsName, null, null, 4, out buffer);
if (lastError == Win32Errors.NERR_Success)
{
return(new DfsInfo(Utils.MarshalPtrToStructure <NativeMethods.DfsInfo4>(0, buffer)));
}
throw new NetworkInformationException((int)lastError);
}
finally
{
if (buffer != IntPtr.Zero)
{
NativeMethods.NetApiBufferFree(buffer);
}
}
}
