public Utent GetUtLine(string line)
{
Utent utent = new Utent();
utent.ut_line = line;
return(GetUtLine(utent));
}
/// <summary>
/// Returns the next Utent from the utmp file
/// will throw an Exception if there is no more data
/// </summary>
public Utent GetUtent()
{
if (!this.have_opened_files)
{
this.OpenFile();
}
Utent utent = new Utent();
utent.ut_type = (UtType)br.ReadInt16();
// 4 Byte alignment;
sf.Seek(2, SeekOrigin.Current);
utent.ut_pid = br.ReadInt32();
utent.ut_line = Utils.CCharsToString(br.ReadChars(32));
utent.ut_id = Utils.CCharsToString(br.ReadChars(4));
utent.ut_user = Utils.CCharsToString(br.ReadChars(32));
utent.ut_host = Utils.CCharsToString(br.ReadChars(256));
ExitStatus e = new ExitStatus();
e.e_termination = br.ReadInt16();
e.e_exit = br.ReadInt16();
utent.ut_exit = e;
utent.ut_session = br.ReadInt32();
TimeVal t = new TimeVal();
t.tv_sec = br.ReadInt32();
t.tv_usec = br.ReadInt32();
utent.ut_tv = t;
this.NextRecord();
return(utent);
}
///<summary>
/// Scan forward from the current position in the utmp file for
/// entries with ut_type of UserProcess or LoginProcess and
/// return the first one where ut_line is the same as Ut->ut_line
/// Will return null if no matching entry is found.
///</summary>
public Utent GetUtLine(Utent Ut)
{
Utent utent = (Utent)null;
while (this.MoreRecords())
{
utent = this.GetUtent();
if (utent.ut_type == UtType.UserProcess ||
utent.ut_type == UtType.LoginProcess)
{
if (utent.ut_line == Ut.ut_line)
{
break;
}
}
}
return(utent);
}
