package org.jacorb.orb.giop;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1997-2014 Gerald Brose / The JacORB Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
import org.jacorb.orb.ORB;
import org.jacorb.orb.miop.MulticastUtil;
import org.jacorb.orb.miop.ServerMIOPConnection;
import org.omg.CORBA.MARSHAL;
import org.omg.GIOP.LocateRequestHeader_1_0;
import org.omg.GIOP.LocateRequestHeader_1_0Helper;
import org.omg.GIOP.LocateRequestHeader_1_2;
import org.omg.GIOP.LocateRequestHeader_1_2Helper;
import org.omg.GIOP.MsgType_1_1;
import org.omg.GIOP.RequestHeader_1_2;
import org.omg.GIOP.RequestHeader_1_2Helper;
import org.omg.GIOP.TargetAddress;
import org.omg.IOP.ServiceContext;
import org.omg.IOP.TAG_UIPMC;
import org.omg.IOP.TaggedProfile;
/**
* @author Gerald Brose, FU Berlin
*/
public class RequestInputStream
extends ServiceContextTransportingInputStream
{
private static final byte[] reserved = new byte[3];
private final boolean is_locate_request;
public final RequestHeader_1_2 req_hdr;
public RequestInputStream( org.omg.CORBA.ORB orb, GIOPConnection connection, byte[] buf )
{
super( orb, buf );
boolean isMIOP = (connection != null && connection.getTransport () instanceof ServerMIOPConnection);
if( Messages.getMsgType( buffer ) == MsgType_1_1._Request )
{
switch( giop_minor )
{
case 0:
case 1:
{
TargetAddress addr = new TargetAddress();
req_hdr = new org.omg.GIOP.RequestHeader_1_2();
req_hdr.service_context = org.omg.IOP.ServiceContextListHelper.read(this);
req_hdr.request_id=read_ulong();
req_hdr.response_flags=Messages.responseFlags(read_boolean());
if (giop_minor == 1)
{
req_hdr.reserved = new byte[3];
read_octet_array(req_hdr.reserved,0,3);
}
if (isMIOP)
{
// Manually read the MIOP magic bytes and the UIPMC Profile.
char marker[] = new char[4];
read_char_array (marker, 0, 4);
if ( ! MulticastUtil.matchMIOPMagic (marker))
{
throw new MARSHAL("MIOP magic marker does not match");
}
// Check the tag is correct.
int tag = read_ulong ();
if (tag != TAG_UIPMC.value)
{
throw new MARSHAL ("TAG_UIPMC marker does not match (" + tag + ')');
}
openEncapsulation ();
org.omg.MIOP.UIPMC_ProfileBody upb = org.omg.MIOP.UIPMC_ProfileBodyHelper.read (this);
closeEncapsulation();
TaggedProfile uipmc = new TaggedProfile
(org.omg.IOP.TAG_UIPMC.value, MulticastUtil.getEncapsulatedUIPMCProfile ((ORB)orb, upb));
addr.profile (uipmc);
}
else
{
int l = read_long();
int x = available();
if ( x > 0 && l > x )
{
throw new MARSHAL("Sequence length too large. Only " + x + " available and trying to assign " + l);
}
byte object_key[] = new byte[l];
read_octet_array (object_key,0,l);
addr.object_key (object_key);
}
req_hdr.operation=read_string();
org.omg.GIOP.PrincipalHelper.read(this);
req_hdr.target = addr;
break;
}
case 2 :
{
//GIOP 1.2
req_hdr = RequestHeader_1_2Helper.read( this );
skipHeaderPadding();
break;
}
default : {
throw new MARSHAL( "Unknown GIOP minor version: " + giop_minor );
}
}
is_locate_request = false;
}
else if( Messages.getMsgType( buffer ) == MsgType_1_1._LocateRequest )
{
switch( giop_minor )
{
case 0 :
{
//GIOP 1.0 = GIOP 1.1, fall through
}
case 1 :
{
//GIOP 1.1
LocateRequestHeader_1_0 locate_req_hdr =
LocateRequestHeader_1_0Helper.read( this );
TargetAddress addr = new TargetAddress();
addr.object_key( locate_req_hdr.object_key );
req_hdr =
new RequestHeader_1_2( locate_req_hdr.request_id,
(byte) 0x03,//response_expected
reserved,
addr,
"_non_existent",
Messages.service_context );
break;
}
case 2 :
{
//GIOP 1.2
LocateRequestHeader_1_2 locate_req_hdr =
LocateRequestHeader_1_2Helper.read( this );
req_hdr =
new RequestHeader_1_2( locate_req_hdr.request_id,
(byte) 0x03,//response_expected
reserved,
locate_req_hdr.target,
"_non_existent",
Messages.service_context );
break;
}
default :
{
throw new MARSHAL( "Unknown GIOP minor version: " + giop_minor );
}
}
is_locate_request = true;
}
else
{
throw new MARSHAL( "Error: not a request!" );
}
}
public ServiceContext getServiceContext( int id )
{
for( int i = 0; i < req_hdr.service_context.length; i++ )
{
if( req_hdr.service_context[i].context_id == id )
{
return req_hdr.service_context[i];
}
}
return null;
}
public boolean isLocateRequest()
{
return is_locate_request;
}
}