/// <summary>
/// Given a program number "prog", version number "vers", and transport
/// protocol number "prot", this procedure returns the port number on which the
/// program is awaiting call requests.
/// </summary>
/// <remarks>
/// Given a program number "prog", version number "vers", and transport
/// protocol number "prot", this procedure returns the port number on which the
/// program is awaiting call requests. A port value of zeros means the program
/// has not been registered. The "port" field of the argument is ignored.
/// </remarks>
private XDR Getport(int xid, XDR @in, XDR @out)
{
PortmapMapping mapping = PortmapRequest.Mapping(@in);
string key = PortmapMapping.Key(mapping);
if (Log.IsDebugEnabled())
{
Log.Debug("Portmap GETPORT key=" + key + " " + mapping);
}
PortmapMapping value = map[key];
int res = 0;
if (value != null)
{
res = value.GetPort();
if (Log.IsDebugEnabled())
{
Log.Debug("Found mapping for key: " + key + " port:" + res);
}
}
else
{
Log.Warn("Warning, no mapping for key: " + key);
}
return(PortmapResponse.IntReply(@out, xid, res));
}
/// <summary>
/// When a program becomes unavailable, it should unregister itself with the
/// port mapper program on the same machine.
/// </summary>
/// <remarks>
/// When a program becomes unavailable, it should unregister itself with the
/// port mapper program on the same machine. The parameters and results have
/// meanings identical to those of "PMAPPROC_SET". The protocol and port number
/// fields of the argument are ignored.
/// </remarks>
private XDR Unset(int xid, XDR @in, XDR @out)
{
PortmapMapping mapping = PortmapRequest.Mapping(@in);
string key = PortmapMapping.Key(mapping);
if (Log.IsDebugEnabled())
{
Log.Debug("Portmap remove key=" + key);
}
Collections.Remove(map, key);
return(PortmapResponse.BooleanReply(@out, xid, true));
}
/// <summary>
/// When a program first becomes available on a machine, it registers itself
/// with the port mapper program on the same machine.
/// </summary>
/// <remarks>
/// When a program first becomes available on a machine, it registers itself
/// with the port mapper program on the same machine. The program passes its
/// program number "prog", version number "vers", transport protocol number
/// "prot", and the port "port" on which it awaits service request. The
/// procedure returns a boolean reply whose value is "TRUE" if the procedure
/// successfully established the mapping and "FALSE" otherwise. The procedure
/// refuses to establish a mapping if one already exists for the tuple
/// "(prog, vers, prot)".
/// </remarks>
private XDR Set(int xid, XDR @in, XDR @out)
{
PortmapMapping mapping = PortmapRequest.Mapping(@in);
string key = PortmapMapping.Key(mapping);
if (Log.IsDebugEnabled())
{
Log.Debug("Portmap set key=" + key);
}
map[key] = mapping;
return(PortmapResponse.IntReply(@out, xid, mapping.GetPort()));
}
/// <summary>This procedure does no work.</summary>
/// <remarks>
/// This procedure does no work. By convention, procedure zero of any protocol
/// takes no parameters and returns no results.
/// </remarks>
private XDR NullOp(int xid, XDR @in, XDR @out)
{
return(PortmapResponse.VoidReply(@out, xid));
}
/// <summary>This procedure enumerates all entries in the port mapper's database.</summary>
/// <remarks>
/// This procedure enumerates all entries in the port mapper's database. The
/// procedure takes no parameters and returns a list of program, version,
/// protocol, and port values.
/// </remarks>
private XDR Dump(int xid, XDR @in, XDR @out)
{
PortmapMapping[] pmapList = Collections.ToArray(map.Values, new PortmapMapping
[0]);
return(PortmapResponse.PmapList(@out, xid, pmapList));
}