public static bool ChangeLogPathInSection(string path, out string previousPath)
{
previousPath = null;
// open and map section RW
NtSection section = null;
foreach (string name in PulseSharedSectionNames)
{
if (section != null)
{
break;
}
try {
section = NtSection.Open(name, null, SectionAccessRights.MapRead | SectionAccessRights.MapWrite);
} catch {}
}
if (section == null)
{
return(false);
}
NtMappedSection map = null;
try {
map = section.MapReadWrite();
} catch {
return(false);
}
if (map == null)
{
return(false);
}
// read the old path and write the new one
try {
byte[] buf = new byte[LogPathMaxLength];
map.ReadArray(LogPathOffset, buf, 0, LogPathMaxLength);
previousPath = BytesToString(buf);
buf = StringToBytes(path + '\0');
if (buf.Length > LogPathMaxLength)
{
return(false);
}
map.WriteArray(LogPathOffset, buf, 0, buf.Length);
} catch {
return(false);
}
return(true);
}
public void WriteBytes(long index, byte[] value)
{
if (index < _map.Length)
{
try
{
long count = Math.Min(_map.Length - index, value.Length);
_map.WriteArray((ulong)index, value, 0, (int)count);
ByteWritten?.Invoke(this, new EventArgs());
}
catch
{
}
}
}
