internal static extern uint NetSessionEnum([MarshalAs(UnmanagedType.LPWStr)] string serverName, [MarshalAs(UnmanagedType.LPWStr)] string uncClientName, [MarshalAs(UnmanagedType.LPWStr)] string userName, [MarshalAs(UnmanagedType.U4)] SessionInfoLevel level, out SafeGlobalMemoryBufferHandle bufPtr, [MarshalAs(UnmanagedType.I4)] int prefMaxLen, [MarshalAs(UnmanagedType.U4)] out uint entriesRead, [MarshalAs(UnmanagedType.U4)] out uint totalEntries, [MarshalAs(UnmanagedType.U4)] out uint resumeHandle);
/// <summary>Creates a <see cref="SessionInfo"/> instance.</summary>
/// <param name="hostName">The DNS or NetBIOS name of the specified host.</param>
/// <param name="sessionLevel">One of the <see cref="SessionInfoLevel"/> options.</param>
/// <param name="structure">
/// A <see cref="NativeMethods.SESSION_INFO_502"/>, <see cref="NativeMethods.SESSION_INFO_2"/>,
/// <see cref="NativeMethods.SESSION_INFO_1"/>, <see cref="NativeMethods.SESSION_INFO_10"/> or <see cref="NativeMethods.SESSION_INFO_0"/> instance.
/// </param>
internal SessionInfo(string hostName, SessionInfoLevel sessionLevel, object structure)
{
var flags = 0;
switch (sessionLevel)
{
case SessionInfoLevel.Info502:
var sesi502 = (NativeMethods.SESSION_INFO_502)structure;
NetName = sesi502.sesi502_cname;
UserName = sesi502.sesi502_username;
OpenedResources = (int)sesi502.sesi502_num_opens;
ActiveTime = TimeSpan.FromSeconds((int)sesi502.sesi502_time);
IdleTime = TimeSpan.FromSeconds((int)sesi502.sesi502_idle_time);
ClientType = sesi502.sesi502_cltype_name;
TransportType = sesi502.sesi502_transport;
flags = (int)sesi502.sesi502_user_flags;
break;
case SessionInfoLevel.Info2:
var sesi2 = (NativeMethods.SESSION_INFO_2)structure;
NetName = sesi2.sesi2_cname;
UserName = sesi2.sesi2_username;
OpenedResources = (int)sesi2.sesi2_num_opens;
ActiveTime = TimeSpan.FromSeconds((int)sesi2.sesi2_time);
ClientType = sesi2.sesi2_cltype_name;
flags = (int)sesi2.sesi2_user_flags;
break;
case SessionInfoLevel.Info1:
var sesi1 = (NativeMethods.SESSION_INFO_1)structure;
NetName = sesi1.sesi1_cname;
UserName = sesi1.sesi1_username;
OpenedResources = (int)sesi1.sesi1_num_opens;
ActiveTime = TimeSpan.FromSeconds((int)sesi1.sesi1_time);
IdleTime = TimeSpan.FromSeconds((int)sesi1.sesi1_idle_time);
flags = (int)sesi1.sesi1_user_flags;
break;
case SessionInfoLevel.Info10:
var sesi10 = (NativeMethods.SESSION_INFO_10)structure;
NetName = sesi10.sesi10_cname;
UserName = sesi10.sesi10_username;
ActiveTime = TimeSpan.FromSeconds((int)sesi10.sesi10_time);
IdleTime = TimeSpan.FromSeconds((int)sesi10.sesi10_idle_time);
break;
case SessionInfoLevel.Info0:
var sesi0 = (NativeMethods.SESSION_INFO_0)structure;
NetName = sesi0.sesi0_cname;
break;
}
HostName = hostName;
SessionLevel = sessionLevel;
// SESS_GUEST = 1,
// SESS_NOENCRYPTION = 2
GuestSession = flags == 1;
EncryptedSession = !GuestSession && flags != 2;
}
