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
|
/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2016 ZeroTier, Inc. https://www.zerotier.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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ZT_ROUTINGTABLE_HPP
#define ZT_ROUTINGTABLE_HPP
#include <vector>
#include "../node/Constants.hpp"
#include "../node/InetAddress.hpp"
namespace ZeroTier {
class RoutingTable
{
public:
struct Entry
{
/**
* Destination IP and netmask bits (CIDR format)
*/
InetAddress destination;
/**
* Gateway or null address if direct link-level route, netmask/port part of InetAddress not used
*/
InetAddress gateway;
/**
* System device index or ID (not included in comparison operators, may not be set on all platforms)
*/
int deviceIndex;
/**
* Metric or hop count -- higher = lower routing priority
*/
int metric;
/**
* Interface scoped route? (always false if not meaningful on this OS)
*/
bool ifscope;
/**
* System device name (may be empty if it doesn't exist or isn't important on this OS)
*/
char device[128];
/**
* @return True if at least one required field is present (object is not null)
*/
inline operator bool() const { return ((destination)||(gateway)); }
};
/**
* Get routing table
*
* @param includeLinkLocal Include link-local IPs?
* @param includeLoopback Include loopback routes?
*/
static std::vector<RoutingTable::Entry> get(bool includeLinkLocal,bool includeLoopback);
/**
* Add or replace a routing table entry
*
* @param destination Route destination
* @param gateway Gateway or null if local
* @param device Device name (if applicable)
* @param metric Route metric (if applicable)
* @param ifscope Interface bound route? If so, device must be set. (only applicable on some OSes)
*/
static RoutingTable::Entry set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric,bool ifscope);
};
} // namespace ZeroTier
#endif
|
