network-address-resolution-protocol 0.1.2

A domain model of Address Resolution Protocol (ARP) packets and associated types.
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

// This file is part of network. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/network/master/COPYRIGHT. No part of network, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2017 The developers of network. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/network/master/COPYRIGHT.


/// Internet protocol (IP) version 4 payload of address resolution protocol (ARP) packet.
#[repr(C, packed)]
#[derive(Debug, Clone, PartialOrd, Ord, PartialEq, Eq, Hash)]
#[derive(Serialize, Deserialize)]
pub struct AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[allow(missing_docs)]
	pub sender_hardware_address: MediaAccessControlAddress,
	
	#[allow(missing_docs)]
	pub sender_protocol_address: InternetProtocolVersion4HostAddress,
	
	#[allow(missing_docs)]
	pub target_hardware_address: MediaAccessControlAddress,
	
	#[allow(missing_docs)]
	pub target_protocol_address: InternetProtocolVersion4HostAddress,
}

impl Display for AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn fmt(&self, f: &mut Formatter) -> fmt::Result
	{
		Debug::fmt(self, f)
	}
}

#[cfg(feature = "dpdk-sys")]
impl Into<arp_ipv4> for AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn into(self) -> arp_ipv4
	{
		unsafe { transmute(self) }
	}
}

#[cfg(feature = "dpdk-sys")]
impl<'a> Into<&'a arp_ipv4> for &'a AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn into(self) -> &'a arp_ipv4
	{
		unsafe { transmute(self) }
	}
}

#[cfg(feature = "dpdk-sys")]
impl<'a> Into<&'a mut arp_ipv4> for &'a mut AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn into(self) -> &'a mut arp_ipv4
	{
		unsafe { transmute(self) }
	}
}

#[cfg(feature = "dpdk-sys")]
impl<'a> Into<NonNull<arp_ipv4>> for &'a mut AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn into(self) -> NonNull<arp_ipv4>
	{
		unsafe { NonNull::new_unchecked(self as *mut AddressResolutionProtocolPacketInternetProtocolVersion4Payload as *mut arp_ipv4) }
	}
}

#[cfg(feature = "dpdk-sys")]
impl<'a> Into<*const arp_ipv4> for &'a AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn into(self) -> *const arp_ipv4
	{
		self as *const AddressResolutionProtocolPacketInternetProtocolVersion4Payload as *const _
	}
}

#[cfg(feature = "dpdk-sys")]
impl<'a> Into<*mut arp_ipv4> for &'a mut AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn into(self) -> *mut arp_ipv4
	{
		self as *mut AddressResolutionProtocolPacketInternetProtocolVersion4Payload as *mut _
	}
}

#[cfg(feature = "dpdk-sys")]
impl From<arp_ipv4> for AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn from(value: arp_ipv4) -> Self
	{
		unsafe { transmute(value) }
	}
}

#[cfg(feature = "dpdk-sys")]
impl<'a> From<&'a arp_ipv4> for &'a AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn from(value: &'a arp_ipv4) -> &'a AddressResolutionProtocolPacketInternetProtocolVersion4Payload
	{
		unsafe { transmute(value) }
	}
}

#[cfg(feature = "dpdk-sys")]
impl<'a> From<&'a mut arp_ipv4> for &'a mut AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	#[inline(always)]
	fn from(value: &'a mut arp_ipv4) -> &'a mut AddressResolutionProtocolPacketInternetProtocolVersion4Payload
	{
		unsafe { transmute(value) }
	}
}

impl AddressResolutionProtocolPacketInternetProtocolVersion4Payload
{
	/// ARP probe.
	#[inline(always)]
	pub fn matches_a_request_probe(&self) -> bool
	{
		self.sender_protocol_address.is_unspecified()
	}
	
	/// Common.
	#[inline(always)]
	pub fn matches_a_gratuitous_request_announcement(&self) -> bool
	{
		self.sender_protocol_address == self.target_protocol_address && self.target_hardware_address.is_zero()
	}
	
	/// Rare.
	#[inline(always)]
	pub fn matches_a_gratuitous_reply_announcement(&self) -> bool
	{
		self.sender_protocol_address == self.target_protocol_address && self.target_hardware_address == self.sender_hardware_address
	}
}