/// <summary>
/// Obte els recursos compartits d'un servidor CIFS NTWindows 9x
/// </summary>
/// <param name="server">Nom del servidor</param>
/// <param name="shares">Colecció de recursos</param>
protected static Shares EnumerateShares9x(string server)
{
Shares shares = new Shares();
Share s;
int level = 50;
int nRet = 0;
ushort entriesRead, totalEntries;
Type t = typeof(WrapperWin32Api.SHARE_INFO_2_9x);
int size = Marshal.SizeOf(t);
ushort cbBuffer = (ushort)(WrapperWin32Api.MAX_SI50_ENTRIES * size);
//A Win9x, s'ha de reserva la memòria del buffer abans de cridar l'API
IntPtr pBuffer = Marshal.AllocHGlobal(cbBuffer);
try
{
nRet = WrapperWin32Api.NetShareEnum(server, level, pBuffer, cbBuffer,
out entriesRead, out totalEntries);
if (WrapperWin32Api.ERROR_WRONG_LEVEL == nRet)
{
level = 1;
//el matix problema del permisos i les estructures de retorn de dades
t = typeof(WrapperWin32Api.SHARE_INFO_1_9x);
size = Marshal.SizeOf(t);
nRet = WrapperWin32Api.NetShareEnum(server, level, pBuffer, cbBuffer,
out entriesRead, out totalEntries);
}
if (WrapperWin32Api.NO_ERROR == nRet || WrapperWin32Api.ERROR_MORE_DATA == nRet)
{
for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += size)
{
IntPtr pItem = new IntPtr(lpItem);
if (1 == level)
{
WrapperWin32Api.SHARE_INFO_1_9x si = (WrapperWin32Api.SHARE_INFO_1_9x)Marshal.PtrToStructure(pItem, t);
s = new Share();
s.comment = si.Remark;
s.name = si.NetName;
s.type = CommonShareTypes(si.ShareType);
shares.addShare(s);
}
else
{
WrapperWin32Api.SHARE_INFO_2_9x si = (WrapperWin32Api.SHARE_INFO_2_9x)Marshal.PtrToStructure(pItem, t);
System.Console.WriteLine(si.NetName);
s = new Share();
s.comment = si.Remark;
s.name = si.NetName;
s.type = CommonShareTypes(si.ShareType);
shares.addShare(s);
}
}
}
else
{
Console.WriteLine(nRet);
}
return(shares);
}
finally
{
//Netejem el buffe
Marshal.FreeHGlobal(pBuffer);
}
}
/// <summary>
/// Obte els recursos compartits d'un servidor CIFS NT
/// </summary>
/// <param name="server">Nom del servidor</param>
/// <param name="shares">Colecció de recursos</param>
protected static Shares EnumerateSharesNT(string server)
{
Shares shares = new Shares();
Share s;
int level = 2;
int entriesRead, totalEntries, nRet, hResume = 0;
IntPtr pBuffer = IntPtr.Zero;
try
{
nRet = WrapperWin32Api.NetShareEnum(server, level, out pBuffer, -1,
out entriesRead, out totalEntries, ref hResume);
if (WrapperWin32Api.ERROR_ACCESS_DENIED == nRet)
{
//depenent del tipus de nivell d'acces que tenim la consulta obtindrà un tipus de dades
// o un altres, això afectarà a l'estructura on es carrega el resultat
level = 1;
nRet = WrapperWin32Api.NetShareEnum(server, level, out pBuffer, -1,
out entriesRead, out totalEntries, ref hResume);
}
if (WrapperWin32Api.NO_ERROR == nRet && entriesRead > 0)
{
Type t = (2 == level) ? typeof(WrapperWin32Api.SHARE_INFO_2) : typeof(WrapperWin32Api.SHARE_INFO_1);
int offset = Marshal.SizeOf(t);
for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += offset)
{
IntPtr pItem = new IntPtr(lpItem);
if (1 == level) //estructura basica
{
WrapperWin32Api.SHARE_INFO_1 si = (WrapperWin32Api.SHARE_INFO_1)Marshal.PtrToStructure(pItem, t);
s = new Share();
s.comment = si.Remark;
s.name = si.NetName;
s.type = CommonShareTypes(si.ShareType);
shares.addShare(s);
}
else //estructura amb més informació, però seguirem agafant la mateixa
{
WrapperWin32Api.SHARE_INFO_2 si = (WrapperWin32Api.SHARE_INFO_2)Marshal.PtrToStructure(pItem, t);
s = new Share();
s.comment = si.Remark;
s.name = si.NetName;
s.type = CommonShareTypes(si.ShareType);
shares.addShare(s);
}
}
}
return(shares);
}
finally
{
// Netejem el buffer
if (IntPtr.Zero != pBuffer)
{
WrapperWin32Api.NetApiBufferFree(pBuffer);
}
}
}