1/*
2  Copyright (C) 2000-2005 SKYRIX Software AG
3
4  This file is part of SOPE.
5
6  SOPE is free software; you can redistribute it and/or modify it under
7  the terms of the GNU Lesser General Public License as published by the
8  Free Software Foundation; either version 2, or (at your option) any
9  later version.
10
11  SOPE is distributed in the hope that it will be useful, but WITHOUT ANY
12  WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
14  License for more details.
15
16  You should have received a copy of the GNU Lesser General Public
17  License along with SOPE; see the file COPYING.  If not, write to the
18  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
19  02111-1307, USA.
20*/
21
22#include "NGDatagramPacket.h"
23#include "common.h"
24
25@implementation NGDatagramPacket
26
27+ (id)packetWithData:(NSData *)_data {
28  return [[[self alloc] initWithData:_data] autorelease];
29}
30+ (id)packetWithBytes:(const void *)_bytes size:(int)_packetSize {
31  return [[[self alloc] initWithBytes:_bytes size:_packetSize] autorelease];
32}
33
34- (id)initWithBytes:(const void *)_bytes size:(int)_packetSize {
35  return [self initWithData:[NSData dataWithBytes:_bytes length:_packetSize]];
36}
37- (id)initWithData:(NSData *)_data {
38  if ((self = [self init])) {
39    self->packet = [_data copyWithZone:[self zone]];
40  }
41  return self;
42}
43
44- (void)dealloc {
45  [self->packet   release];
46  [self->sender   release];
47  [self->receiver release];
48  [super dealloc];
49}
50
51/* accessors */
52
53- (void)setSender:(id<NGSocketAddress>)_address {
54  ASSIGN(self->sender, _address);
55}
56- (id<NGSocketAddress>)sender {
57  return self->sender;
58}
59
60- (void)setReceiver:(id<NGSocketAddress>)_address {
61  ASSIGN(self->receiver, _address);
62}
63- (id<NGSocketAddress>)receiver {
64  return self->receiver;
65}
66
67- (void)setData:(NSData *)_data {
68  ASSIGN(self->packet, _data);
69}
70- (NSData *)data {
71  return self->packet;
72}
73
74- (int)packetSize {
75  return [self->packet length];
76}
77
78/* operations */
79
80- (void)reverseAddresses {
81  id oldSender = [[self sender] retain];
82  [self setSender:[self receiver]];
83  [self setReceiver:oldSender];
84  [oldSender release]; oldSender = nil;
85}
86
87/* description */
88
89- (NSString *)description {
90  return [NSString stringWithFormat:@"<%@[0x%p]: from=%@ to=%@ size=%i>",
91                     NSStringFromClass([self class]), self,
92                     [self sender], [self receiver], [self packetSize]];
93}
94
95@end /* NGDatagramPacket */
96