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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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package com.sun.corba.se.impl.protocol.giopmsgheaders;
import org.omg.CORBA.Principal;
import com.sun.corba.se.spi.servicecontext.ServiceContexts;
import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
import com.sun.corba.se.spi.orb.ORB;
import com.sun.corba.se.spi.ior.ObjectKey;
import com.sun.corba.se.impl.encoding.CDRInputStream;
import com.sun.corba.se.impl.encoding.CDROutputStream;
import com.sun.corba.se.impl.orbutil.ORBConstants;
import com.sun.corba.se.impl.encoding.CDRInputStream_1_2;
import com.sun.corba.se.impl.encoding.CDROutputStream_1_2;
import com.sun.corba.se.spi.logging.CORBALogDomains ;
import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
/**
* This implements the GIOP 1.2 Request header.
*
* @author Ram Jeyaraman 05/14/2000
*/
public final class RequestMessage_1_2 extends Message_1_2
implements RequestMessage {
// Instance variables
private ORB orb = null;
private ORBUtilSystemException wrapper = null ;
private byte response_flags = (byte) 0;
private byte reserved[] = null;
private TargetAddress target = null;
private String operation = null;
private ServiceContexts service_contexts = null;
private ObjectKey objectKey = null;
// Constructors
RequestMessage_1_2(ORB orb) {
this.orb = orb;
this.wrapper = ORBUtilSystemException.get( orb,
CORBALogDomains.RPC_PROTOCOL ) ;
}
RequestMessage_1_2(ORB orb, int _request_id, byte _response_flags,
byte[] _reserved, TargetAddress _target,
String _operation, ServiceContexts _service_contexts) {
super(Message.GIOPBigMagic, GIOPVersion.V1_2, FLAG_NO_FRAG_BIG_ENDIAN,
Message.GIOPRequest, 0);
this.orb = orb;
this.wrapper = ORBUtilSystemException.get( orb,
CORBALogDomains.RPC_PROTOCOL ) ;
request_id = _request_id;
response_flags = _response_flags;
reserved = _reserved;
target = _target;
operation = _operation;
service_contexts = _service_contexts;
}
// Accessor methods (RequestMessage interface)
public int getRequestId() {
return this.request_id;
}
public boolean isResponseExpected() {
/*
case 1: LSBit[1] == 1
not a oneway call (DII flag INV_NO_RESPONSE is false) // Ox03
LSBit[0] must be 1.
case 2: LSBit[1] == 0
if (LSB[0] == 0) // Ox00
oneway call
else if (LSB[0] == 1) // 0x01
oneway call; but server may provide
a location forward response or system exception response.
*/
if ( (this.response_flags & RESPONSE_EXPECTED_BIT) == RESPONSE_EXPECTED_BIT ) {
return true;
}
return false;
}
public byte[] getReserved() {
return this.reserved;
}
public ObjectKey getObjectKey() {
if (this.objectKey == null) {
// this will raise a MARSHAL exception upon errors.
this.objectKey = MessageBase.extractObjectKey(target, orb);
}
return this.objectKey;
}
public String getOperation() {
return this.operation;
}
public Principal getPrincipal() {
// REVISIT Should we throw an exception or return null ?
return null;
}
public ServiceContexts getServiceContexts() {
return this.service_contexts;
}
// IO methods
public void read(org.omg.CORBA.portable.InputStream istream) {
super.read(istream);
this.request_id = istream.read_ulong();
this.response_flags = istream.read_octet();
this.reserved = new byte[3];
for (int _o0 = 0;_o0 < (3); ++_o0) {
this.reserved[_o0] = istream.read_octet();
}
this.target = TargetAddressHelper.read(istream);
getObjectKey(); // this does AddressingDisposition check
this.operation = istream.read_string();
this.service_contexts
= new ServiceContexts((org.omg.CORBA_2_3.portable.InputStream) istream);
// CORBA formal 00-11-0 15.4.2.2 GIOP 1.2 body must be
// aligned on an 8 octet boundary.
// Ensures that the first read operation called from the stub code,
// during body deconstruction, would skip the header padding, that was
// inserted to ensure that the body was aligned on an 8-octet boundary.
((CDRInputStream)istream).setHeaderPadding(true);
}
public void write(org.omg.CORBA.portable.OutputStream ostream) {
super.write(ostream);
ostream.write_ulong(this.request_id);
ostream.write_octet(this.response_flags);
nullCheck(this.reserved);
if (this.reserved.length != (3)) {
throw wrapper.badReservedLength(
org.omg.CORBA.CompletionStatus.COMPLETED_MAYBE);
}
for (int _i0 = 0;_i0 < (3); ++_i0) {
ostream.write_octet(this.reserved[_i0]);
}
nullCheck(this.target);
TargetAddressHelper.write(ostream, this.target);
ostream.write_string(this.operation);
if (this.service_contexts != null) {
service_contexts.write(
(org.omg.CORBA_2_3.portable.OutputStream) ostream,
GIOPVersion.V1_2);
} else {
ServiceContexts.writeNullServiceContext(
(org.omg.CORBA_2_3.portable.OutputStream) ostream);
}
// CORBA formal 00-11-0 15.4.2.2 GIOP 1.2 body must be
// aligned on an 8 octet boundary.
// Ensures that the first write operation called from the stub code,
// during body construction, would insert a header padding, such that
// the body is aligned on an 8-octet boundary.
((CDROutputStream)ostream).setHeaderPadding(true);
}
public void callback(MessageHandler handler)
throws java.io.IOException
{
handler.handleInput(this);
}
} // class RequestMessage_1_2