DESERT 3.5.1
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sun-hdr-pathestablishment.h
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1//
2// Copyright (c) 2021 Regents of the SIGNET lab, University of Padova.
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29
39#ifndef HDR_SUN_PATH_EST_H
40#define HDR_SUN_PATH_EST_H
41
43
44#include <packet.h>
45
46#define HDR_SUN_PATH_EST(p) (hdr_sun_path_est::access(p))
47#define PATH_SEARCH 1
48#define PATH_ANSWER 2
49#define DATA_ACK 3
50#define PATH_ERROR 4
51
52extern packet_t PT_SUN_PATH_EST;
53
54typedef u_int8_t packet_path_est;
55
60typedef struct hdr_sun_path_est {
61
70 float quality_;
72 static int offset_;
77 inline static int &
79 {
80 return offset_;
81 }
82
86 inline uint8_t &
88 {
89 return (sink_associated_);
90 }
91
95 inline packet_path_est &
97 {
98 return (ptype_);
99 }
100
104 inline uint8_t *
106 {
107 return list_of_hops_;
108 }
109
113 inline u_int8_t &
115 {
117 }
118
122 inline int8_t &
124 {
126 }
127
131 float &
133 {
134 return quality_;
135 }
136
137 inline static struct hdr_sun_path_est *
138 access(const Packet *p)
139 {
140 return (struct hdr_sun_path_est *) p->access(offset_);
141 }
143
144#endif // HDR_SUN_PATH_EST_H
hdr_sun_path_est describes path establishment packets used by UWSUN
uint8_t & sinkAssociated()
Reference to the sink_associated_ variable.
static int & offset()
Reference to the offset_ variable.
uint8_t sink_associated_
IP of the sink associated with the packet.
uint8_t list_of_hops_[MAX_HOP_NUMBER]
List of IPs saved in the header.
uint8_t * list_of_hops()
Pointer to the list_of_hops_ variable.
static struct hdr_sun_path_est * access(const Packet *p)
packet_path_est ptype_
Idientifier of the packet type: PATH_SEARCH, PATH_ANSWER or PATH_ERROR.
packet_path_est & ptype()
Reference to the ptype_ variable.
float quality_
Used to save information about the "quality" of the metric used.
static int offset_
Required by the PacketHeaderManager.
float & quality()
Reference to the quality_ variable.
u_int8_t & list_of_hops_length()
Reference to the list_of_hops_length_ variable.
int8_t pointer_to_list_of_hops_
Pointer used to keep track of the last IPs processed.
int8_t & pointer()
Reference to the pointer_to_list_of_hops_ variable.
uint8_t list_of_hops_length_
Current number of IPs stored in the header.
u_int8_t packet_path_est
Common structures and definition used by SUN.
static const int MAX_HOP_NUMBER
Maximum number of hops contained in a SUN Path Establishment packet.