libtins 4.5
Loading...
Searching...
No Matches
ethernetII.h
1/*
2 * Copyright (c) 2017, Matias Fontanini
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#ifndef TINS_ETHERNET_II_H
31#define TINS_ETHERNET_II_H
32
33#include <stdint.h>
34#include <tins/macros.h>
35#include <tins/pdu.h>
36#include <tins/config.h>
37#include <tins/endianness.h>
38#include <tins/hw_address.h>
39
40namespace Tins {
41
46class TINS_API EthernetII : public PDU {
47public:
52
56 static const PDU::PDUType pdu_flag = PDU::ETHERNET_II;
57
61 static const address_type BROADCAST;
62
69 static metadata extract_metadata(const uint8_t *buffer, uint32_t total_sz);
70
77 EthernetII(const address_type& dst_hw_addr = address_type(),
78 const address_type& src_hw_addr = address_type());
79
93 EthernetII(const uint8_t* buffer, uint32_t total_sz);
94
95 /* Getters */
103 return header_.dst_mac;
104 }
105
112 return header_.src_mac;
113 }
114
119 uint16_t payload_type() const {
120 return Endian::be_to_host(header_.payload_type);
121 }
122
123 /* Setters */
124
130 void dst_addr(const address_type& new_dst_addr);
131
137 void src_addr(const address_type& new_src_addr);
138
144 void payload_type(uint16_t new_payload_type);
145
146 /* Virtual methods */
153 uint32_t header_size() const;
154
161 uint32_t trailer_size() const;
162
166 void send(PacketSender& sender, const NetworkInterface& iface);
167
175 bool matches_response(const uint8_t* ptr, uint32_t total_sz) const;
176
177 #ifndef _WIN32
183 PDU* recv_response(PacketSender& sender, const NetworkInterface& iface);
184 #endif // _WIN32
185
191 return pdu_flag;
192 }
193
197 EthernetII* clone() const {
198 return new EthernetII(*this);
199 }
200private:
204 TINS_BEGIN_PACK
205 struct ethernet_header {
206 uint8_t dst_mac[address_type::address_size];
207 uint8_t src_mac[address_type::address_size];
208 uint16_t payload_type;
209 } TINS_END_PACK;
210
211 void write_serialization(uint8_t* buffer, uint32_t total_sz);
212
213 ethernet_header header_;
214};
215
216} // Tins
217
218#endif // TINS_ETHERNET_II_H
Represents an Ethernet II PDU.
Definition ethernetII.h:46
static const address_type BROADCAST
Represents the ethernetII broadcast address.
Definition ethernetII.h:61
address_type dst_addr() const
Getter for the destination's hardware address.
Definition ethernetII.h:102
EthernetII * clone() const
Definition ethernetII.h:197
address_type src_addr() const
Getter for the source's hardware address.
Definition ethernetII.h:111
PDUType pdu_type() const
Getter for the PDU's type.
Definition ethernetII.h:190
HWAddress< 6 > address_type
The hardware address type.
Definition ethernetII.h:51
uint16_t payload_type() const
Getter for the payload_type.
Definition ethernetII.h:119
Represents a hardware address.
Definition resolve_utils.h:43
Abstraction of a network interface.
Definition network_interface.h:47
Base class for protocol data units.
Definition pdu.h:107
PDUType
Enum which identifies each type of PDU.
Definition pdu.h:127
Sends packets through a network interface.
Definition packet_sender.h:118
The Tins namespace.
Definition address_range.h:38
Type used to store a PDU header's data.
Definition pdu.h:197