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pktap.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
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13  * in the documentation and/or other materials provided with the
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16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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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,
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22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 
30 #ifndef TINS_PKTAP_H
31 #define TINS_PKTAP_H
32 
33 #include <tins/pdu.h>
34 #include <tins/macros.h>
35 
36 // This class is only available if pcap is enabled
37 #ifdef TINS_HAVE_PCAP
38 
39 namespace Tins {
40 
44 class TINS_API PKTAP : public PDU {
45 public:
49  static const PDU::PDUType pdu_flag = PDU::PKTAP;
50 
54  PKTAP();
55 
67  PKTAP(const uint8_t* buffer, uint32_t total_sz);
68 
73  PDUType pdu_type() const {
74  return pdu_flag;
75  }
76 
83  uint32_t header_size() const;
84 
88  PKTAP* clone() const {
89  return new PKTAP(*this);
90  }
91 private:
92  struct pktap_header {
93  uint32_t length;
94  uint32_t next;
95  uint32_t dlt;
96  uint8_t pth_ifname[24];
97  uint32_t flags;
98  uint32_t protocol_family;
99  uint32_t header_length;
100  uint32_t trailer_length;
101  uint32_t pid;
102  uint8_t command[20];
103  uint32_t service_class;
104  uint16_t interface_type;
105  uint16_t interface_unit;
106  uint32_t epid;
107  uint8_t ecommand[20];
108  };
109 
110  void write_serialization(uint8_t* buffer, uint32_t total_sz);
111 
112  pktap_header header_;
113 };
114 
115 } // Tins
116 
117 #endif // TINS_HAVE_PCAP
118 
119 #endif // TINS_PKTAP_H
PDUType
Enum which identifies each type of PDU.
Definition: pdu.h:127