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
|
/*
* This file is a part of plotnetcfg, a tool to visualize network config.
* Copyright (C) 2014-2015 Red Hat, Inc. -- Jiri Benc <jbenc@redhat.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*/
#include <stdlib.h>
#include "netns.h"
#include "if.h"
#include "match.h"
int match_if_heur(struct if_entry **found,
struct netns_entry *root, int all_ns,
struct if_entry *self,
int (*callback)(struct if_entry *, void *),
void *arg)
{
struct netns_entry *ns;
struct if_entry *entry;
int prio = 0, count = 0, res;
for (ns = root; ns; ns = ns->next) {
for (entry = ns->ifaces; entry; entry = entry->next) {
if (entry == self)
continue;
res = callback(entry, arg);
if (res < 0)
return -res;
if (res > prio) {
*found = entry;
prio = res;
count = 1;
} else if (res == prio)
count++;
}
if (!all_ns)
break;
}
if (!prio) {
*found = NULL;
return 0;
}
if (count > 1)
return -1;
return 0;
}
struct if_entry *match_if_netnsid(unsigned int ifindex, int netnsid,
struct netns_entry *current)
{
struct netns_id *ptr;
struct if_entry *entry;
for (ptr = current->ids; ptr; ptr = ptr->next) {
if (ptr->id == netnsid) {
for (entry = ptr->ns->ifaces; entry; entry = entry->next) {
if (entry->if_index == ifindex)
return entry;
}
break;
}
}
return NULL;
}
void match_all_netnsid(struct netns_entry *root)
{
struct netns_entry *ns;
struct if_entry *entry;
for (ns = root; ns; ns = ns->next) {
for (entry = ns->ifaces; entry; entry = entry->next) {
if (entry->link_netnsid >= 0)
entry->link = match_if_netnsid(entry->link_index,
entry->link_netnsid,
ns);
if (entry->peer_netnsid >= 0)
entry->peer = match_if_netnsid(entry->peer_index,
entry->peer_netnsid,
ns);
}
}
}
|
