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sll.h
1 /*
2  * Copyright (c) 2017, Matias Fontanini
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4  *
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29 
30 #ifndef TINS_SLL_H
31 #define TINS_SLL_H
32 
33 #include <vector>
34 #include <tins/pdu.h>
35 #include <tins/macros.h>
36 #include <tins/endianness.h>
37 #include <tins/hw_address.h>
38 
39 namespace Tins {
40 
45 class TINS_API SLL : public PDU {
46 public:
50  static const PDU::PDUType pdu_flag = PDU::SLL;
51 
56 
60  SLL();
61 
74  SLL(const uint8_t* buffer, uint32_t total_sz);
75 
76  // Getters
77 
82  uint16_t packet_type() const {
83  return Endian::be_to_host(header_.packet_type);
84  }
85 
90  uint16_t lladdr_type() const {
91  return Endian::be_to_host(header_.lladdr_type);
92  }
93 
98  uint16_t lladdr_len() const {
99  return Endian::be_to_host(header_.lladdr_len);
100  }
101 
107  return header_.address;
108  }
109 
114  uint16_t protocol() const {
115  return Endian::be_to_host(header_.protocol);
116  }
117 
122  PDUType pdu_type() const { return pdu_flag; }
123 
124  // Setters
125 
130  void packet_type(uint16_t new_packet_type);
131 
136  void lladdr_type(uint16_t new_lladdr_type);
137 
142  void lladdr_len(uint16_t new_lladdr_len);
143 
148  void address(const address_type& new_address);
149 
154  void protocol(uint16_t new_protocol);
155 
161  uint32_t header_size() const;
162 
166  SLL* clone() const {
167  return new SLL(*this);
168  }
169 private:
170  TINS_BEGIN_PACK
171  struct sll_header {
172  uint16_t packet_type, lladdr_type, lladdr_len;
173  uint8_t address[8];
174  uint16_t protocol;
175  } TINS_END_PACK;
176 
177  void write_serialization(uint8_t* buffer, uint32_t total_sz);
178 
179  sll_header header_;
180 };
181 }
182 
183 #endif // TINS_SLL_H
HWAddress< 8 > address_type
Definition: sll.h:55
SLL * clone() const
Definition: sll.h:166
uint16_t packet_type() const
Getter for the Packet Type field.
Definition: sll.h:82
Represents a Linux cooked-mode capture (SLL) PDU.
Definition: sll.h:45
PDUType
Enum which identifies each type of PDU.
Definition: pdu.h:127
PDUType pdu_type() const
Getter for the PDU's type.
Definition: sll.h:122
Represents a hardware address.
Definition: hw_address.h:88
uint16_t lladdr_type() const
Getter for the LLADDR Type field.
Definition: sll.h:90
uint16_t lladdr_len() const
Getter for the LLADDR Length field.
Definition: sll.h:98
Base class for protocol data units.
Definition: pdu.h:107
uint16_t protocol() const
Getter for the Protocol field.
Definition: sll.h:114
address_type address() const
Getter for the Address field.
Definition: sll.h:106