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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <arpa/inet.h>
#include "nstack_rd_data.h"
#include "nstack_rd.h"
#include "nstack_rd_priv.h"
#include "nstack_rd_proto.h"
#include "nstack_log.h"
#include "nstack_securec.h"
/*copy rd data*/
int nstack_rd_proto_data_cpy(void *destdata, void *srcdata)
{
rd_data_item *pitem = (rd_data_item *) destdata;
rd_route_data *pdata = (rd_route_data *) srcdata;
pitem->type = pdata->type;
pitem->proto_data.value = pdata->proto_data.value;
pitem->proto_data.attr = pdata->proto_data.attr;
return NSTACK_RD_SUCCESS;
}
/*
* Add an ip segment to the list and sort it in descending order of ip mask length
* If the list already exists in the same list of ip side, then stack_id update
*ip is network byte order
*/
/*vars are used in macro*/
int nstack_rd_proto_item_insert(nstack_rd_list * hlist, void *rditem)
{
nstack_rd_node *pdatanode = NULL;
nstack_rd_node *tempdata = NULL;
struct hlist_node *tempnode = NULL;
rd_data_item *pitem = (rd_data_item *) rditem;
NSSOC_LOGDBG("stackid:%d, proto value:%u proto attr:%u was inserted",
pitem->stack_id, pitem->proto_data.value,
pitem->proto_data.attr);
pdatanode = (nstack_rd_node *) malloc(sizeof(nstack_rd_node)); /*this function is necessary */
if (!pdatanode)
{
NSSOC_LOGERR("nstack rd item malloc fail");
return NSTACK_RD_FAIL;
}
/* add return value check */
int retVal = memset_s(pdatanode, sizeof(nstack_rd_node), 0,
sizeof(nstack_rd_node));
if (EOK != retVal)
{
NSSOC_LOGERR("memset_s failed]retVal=%d", retVal);
free(pdatanode); /*this function is necessary */
return NSTACK_RD_FAIL;
}
INIT_HLIST_NODE(&pdatanode->rdnode);
NSTACK_RD_PROTO_ITEM_COPY(&(pdatanode->item), pitem);
if (hlist_empty(&(hlist->headlist)))
{
hlist_add_head(&(pdatanode->rdnode), &(hlist->headlist));
return NSTACK_RD_SUCCESS;
}
hlist_for_each_entry(tempdata, tempnode, &(hlist->headlist), rdnode)
{
if (tempdata->item.proto_data.value == pitem->proto_data.value)
{
NSSOC_LOGDBG
("find duplicate node, proto value:%u, old stack_id:%d, new stack_id:%d",
pitem->proto_data.value, tempdata->item.stack_id,
pitem->stack_id);
tempdata->item.stack_id = pitem->stack_id;
tempdata->item.agetime = NSTACK_RD_AGETIME_MAX;
free(pdatanode); /*this function is necessary */
return NSTACK_RD_SUCCESS;
}
}
hlist_add_head(&(pdatanode->rdnode), &(hlist->headlist));
return NSTACK_RD_SUCCESS;
}
/*
*find stackid by ip
*input ip must be network order
*/
int nstack_rd_proto_item_find(nstack_rd_list * hlist, void *rdkey,
void *outitem)
{
struct hlist_node *tempnode = NULL;
nstack_rd_node *tempdata = NULL;
nstack_rd_key *key = (nstack_rd_key *) rdkey;
rd_data_item *pitem = (rd_data_item *) outitem;
hlist_for_each_entry(tempdata, tempnode, &(hlist->headlist), rdnode)
{
if (tempdata->item.proto_data.value == key->proto)
{
NSTACK_RD_PROTO_ITEM_COPY(pitem, &(tempdata->item));
return NSTACK_RD_SUCCESS;
}
}
/* Optimize log */
NSSOC_LOGDBG("proto:%u item not found", key->proto);
return NSTACK_RD_FAIL;
}
/*****************************************************************************
* Prototype : nstack_rd_ip_item_age
* Description : delete the ip item that have not been add again for one time
* Input : nstack_rd_list *hlist
* Output : None
* Return Value : int
* Calls :
* Called By :
*****************************************************************************/
int nstack_rd_proto_item_age(nstack_rd_list * hlist)
{
struct hlist_node *tempnode = NULL;
nstack_rd_node *tempdata = NULL;
nstack_rd_node *prevdata = NULL;
struct hlist_node *prevnode = NULL;
NSSOC_LOGINF("nstack rd proto age begin");
hlist_for_each_entry(tempdata, tempnode, &(hlist->headlist), rdnode)
{
/*if agetime equal 0, remove it */
if (tempdata->item.agetime <= 0)
{
if (prevdata)
{
/* Optimize log */
NSSOC_LOGDBG("stackid=%d, proto:%u was aged",
tempdata->item.stack_id,
tempdata->item.proto_data.value);
hlist_del_init(prevnode);
free(prevdata); /*this function is necessary */
}
prevdata = tempdata;
prevnode = tempnode;
}
else
{
tempdata->item.agetime--;
}
}
if (prevdata)
{
if (tempdata)
{
/* Optimize log */
NSSOC_LOGDBG("stackid:%d, proto:%u was last aged",
tempdata->item.stack_id,
tempdata->item.proto_data.value);
}
hlist_del_init(prevnode);
free(prevdata); /*this function is necessary */
}
NSSOC_LOGINF("nstack rd proto age end");
return NSTACK_RD_SUCCESS;
}
void nstack_rd_proto_item_clean(nstack_rd_list * hlist)
{
struct hlist_node *tempnode = NULL;
nstack_rd_node *tempdata = NULL;
nstack_rd_node *prevdata = NULL;
struct hlist_node *prevnode = NULL;
NSSOC_LOGINF("nstack rd proto item clean begin");
hlist_for_each_entry(tempdata, tempnode, &(hlist->headlist), rdnode)
{
if (prevdata)
{
NSSOC_LOGDBG("stackid=%d, proto:%u was cleaned",
tempdata->item.stack_id,
tempdata->item.proto_data.value);
hlist_del_init(prevnode);
free(prevdata); /*this function is necessary */
}
prevdata = tempdata;
prevnode = tempnode;
}
if (prevdata)
{
if (tempdata)
{
NSSOC_LOGDBG("stackid=%d, proto:%u was last cleaned",
tempdata->item.stack_id,
tempdata->item.proto_data.value);
}
hlist_del_init(prevnode);
free(prevdata); /*this function is necessary */
}
NSSOC_LOGINF("nstack rd proto item clean end");
}
/*
*find stackid by spec ip(multicast ip)
*input ip must be network order
*/
int nstack_rd_proto_spec(void *rdkey)
{
return -1;
}
|
