libs-base/Source/objects/Port.h
Andrew McCallum ca33981cce Declare new methods.
(Port _packet_invocation): New ivar.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1112 72102866-910b-0410-8b05-ffd578937521
1996-03-12 14:56:43 +00:00

100 lines
2.7 KiB
Objective-C

/* Interface for abstract superclass port for use with Connection
Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
Created: July 1994
This file is part of the GNU Objective C Class Library.
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.
*/
#ifndef __Port_h_OBJECTS_INCLUDE
#define __Port_h_OBJECTS_INCLUDE
#include <objects/stdobjects.h>
#include <objects/Coding.h>
#include <objects/MemoryStream.h>
#include <objects/NSString.h>
/* xxx Use something like this? */
@protocol PacketSending
@end
@interface Port : NSObject
{
unsigned is_valid:1;
unsigned tcp_port_filler:7;
unsigned retain_count:24;
}
- (void) invalidate;
- (BOOL) isValid;
- (void) close;
- (Class) packetClass;
@end
@interface InPort : Port
{
id _packet_invocation;
}
+ newForReceiving;
+ newForReceivingFromRegisteredName: (id <String>)name;
/* Register/Unregister this port for input handling through RunLoop
RUN_LOOP in mode MODE. */
- (void) addToRunLoop: run_loop forMode: (id <String>)mode;
- (void) removeFromRunLoop: run_loop forMode: (id <String>)mode;
/* When a RunLoop is handling this InPort, and a new incoming
packet arrives, INVOCATION will be invoked with the new packet
as an argument. The INVOCATION is responsible for releasing
the packet. */
- (void) setPacketInvocation: (id <Invoking>)invocation;
/* An alternative to the above way for receiving packets from this port.
Get a packet from the net and return it. If no packet is received
within MILLISECONDS, then return nil. The caller is responsible
for releasing the packet. */
- receivePacketWithTimeout: (int)milliseconds;
@end
@interface OutPort : Port
+ newForSendingToRegisteredName: (id <String>)name
onHost: (id <String>)hostname;
- (BOOL) sendPacket: packet withTimeout: (int)milliseconds;
@end
extern NSString *PortBecameInvalidNotification;
@interface Packet : MemoryStream
{
id reply_port;
}
- initForSendingWithCapacity: (unsigned)c
replyPort: p;
- replyPort;
@end
#endif /* __Port_h_OBJECTS_INCLUDE */