tun_easytier/device.rs
1// DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
2// Version 2, December 2004
3//
4// Copyleft (ↄ) meh. <meh@schizofreni.co> | http://meh.schizofreni.co
5//
6// Everyone is permitted to copy and distribute verbatim or modified
7// copies of this license document, and changing it is allowed as long
8// as the name is changed.
9//
10// DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
11// TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
12//
13// 0. You just DO WHAT THE FUCK YOU WANT TO.
14
15use crate::configuration::Configuration;
16use crate::error::Result;
17use std::io::{Read, Write};
18use std::net::IpAddr;
19
20/// A TUN abstract device interface.
21pub trait AbstractDevice: Read + Write {
22 /// Reconfigure the device.
23 fn configure(&mut self, config: &Configuration) -> Result<()> {
24 if let Some(ip) = config.address {
25 self.set_address(ip)?;
26 }
27
28 if let Some(ip) = config.destination {
29 self.set_destination(ip)?;
30 }
31
32 if let Some(ip) = config.broadcast {
33 self.set_broadcast(ip)?;
34 }
35
36 if let Some(ip) = config.netmask {
37 self.set_netmask(ip)?;
38 }
39
40 if let Some(mtu) = config.mtu {
41 self.set_mtu(mtu)?;
42 }
43
44 if let Some(enabled) = config.enabled {
45 self.enabled(enabled)?;
46 }
47
48 Ok(())
49 }
50
51 /// Get the device tun name.
52 fn tun_name(&self) -> Result<String>;
53
54 /// Set the device tun name.
55 fn set_tun_name(&mut self, tun_name: &str) -> Result<()>;
56
57 /// Turn on or off the interface.
58 fn enabled(&mut self, value: bool) -> Result<()>;
59
60 /// Get the address.
61 fn address(&self) -> Result<IpAddr>;
62
63 /// Set the address.
64 fn set_address(&mut self, value: IpAddr) -> Result<()>;
65
66 /// Get the destination address.
67 fn destination(&self) -> Result<IpAddr>;
68
69 /// Set the destination address.
70 fn set_destination(&mut self, value: IpAddr) -> Result<()>;
71
72 /// Get the broadcast address.
73 fn broadcast(&self) -> Result<IpAddr>;
74
75 /// Set the broadcast address.
76 fn set_broadcast(&mut self, value: IpAddr) -> Result<()>;
77
78 /// Get the netmask.
79 fn netmask(&self) -> Result<IpAddr>;
80
81 /// Set the netmask.
82 fn set_netmask(&mut self, value: IpAddr) -> Result<()>;
83
84 /// Get the MTU.
85 fn mtu(&self) -> Result<u16>;
86
87 /// Set the MTU.
88 ///
89 /// [Note: This setting has no effect on the Windows platform due to the mtu of wintun is always 65535. --end note]
90 fn set_mtu(&mut self, value: u16) -> Result<()>;
91
92 /// Return whether the underlying tun device on the platform has packet information
93 ///
94 /// [Note: This value is not used to specify whether the packets delivered from/to tun2 have packet information. -- end note]
95 fn packet_information(&self) -> bool;
96}