1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/* $Id$ */
/***
This file is part of avahi.
avahi is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
avahi 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 Lesser General
Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include "rrlist.h"
#include "llist.h"
typedef struct AvahiRecordListItem AvahiRecordListItem;
struct AvahiRecordListItem {
gboolean read;
AvahiRecord *record;
gboolean unicast_response;
gboolean flush_cache;
gboolean auxiliary;
AVAHI_LLIST_FIELDS(AvahiRecordListItem, items);
};
struct AvahiRecordList {
AVAHI_LLIST_HEAD(AvahiRecordListItem, read);
AVAHI_LLIST_HEAD(AvahiRecordListItem, unread);
};
AvahiRecordList *avahi_record_list_new(void) {
AvahiRecordList *l = g_new(AvahiRecordList, 1);
AVAHI_LLIST_HEAD_INIT(AvahiRecordListItem, l->read);
AVAHI_LLIST_HEAD_INIT(AvahiRecordListItem, l->unread);
return l;
}
void avahi_record_list_free(AvahiRecordList *l) {
g_assert(l);
avahi_record_list_flush(l);
g_free(l);
}
static void item_free(AvahiRecordList *l, AvahiRecordListItem *i) {
g_assert(l);
g_assert(i);
if (i->read)
AVAHI_LLIST_REMOVE(AvahiRecordListItem, items, l->read, i);
else
AVAHI_LLIST_REMOVE(AvahiRecordListItem, items, l->unread, i);
avahi_record_unref(i->record);
g_free(i);
}
void avahi_record_list_flush(AvahiRecordList *l) {
g_assert(l);
while (l->read)
item_free(l, l->read);
while (l->unread)
item_free(l, l->unread);
}
AvahiRecord* avahi_record_list_next(AvahiRecordList *l, gboolean *flush_cache, gboolean *unicast_response, gboolean *auxiliary) {
AvahiRecord *r;
AvahiRecordListItem *i;
if (!(i = l->unread))
return NULL;
g_assert(!i->read);
r = avahi_record_ref(i->record);
if (unicast_response)
*unicast_response = i->unicast_response;
if (flush_cache)
*flush_cache = i->flush_cache;
if (auxiliary)
*auxiliary = i->auxiliary;
AVAHI_LLIST_REMOVE(AvahiRecordListItem, items, l->unread, i);
AVAHI_LLIST_PREPEND(AvahiRecordListItem, items, l->read, i);
i->read = TRUE;
return r;
}
static AvahiRecordListItem *get(AvahiRecordList *l, AvahiRecord *r) {
AvahiRecordListItem *i;
g_assert(l);
g_assert(r);
for (i = l->read; i; i = i->items_next)
if (avahi_record_equal_no_ttl(i->record, r))
return i;
for (i = l->unread; i; i = i->items_next)
if (avahi_record_equal_no_ttl(i->record, r))
return i;
return NULL;
}
void avahi_record_list_push(AvahiRecordList *l, AvahiRecord *r, gboolean flush_cache, gboolean unicast_response, gboolean auxiliary) {
AvahiRecordListItem *i;
g_assert(l);
g_assert(r);
if (get(l, r))
return;
i = g_new(AvahiRecordListItem, 1);
i->unicast_response = unicast_response;
i->flush_cache = flush_cache;
i->auxiliary = auxiliary;
i->record = avahi_record_ref(r);
i->read = FALSE;
AVAHI_LLIST_PREPEND(AvahiRecordListItem, items, l->unread, i);
}
void avahi_record_list_drop(AvahiRecordList *l, AvahiRecord *r) {
AvahiRecordListItem *i;
g_assert(l);
g_assert(r);
if (!(i = get(l, r)))
return;
item_free(l, i);
}
gboolean avahi_record_list_empty(AvahiRecordList *l) {
g_assert(l);
return !l->unread && !l->read;
}
|
