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1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2009 Benjamin Poirier <benjamin.poirier@polymtl.ca> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License Version 2 as | |
6 | * published by the Free Software Foundation; | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
16 | * MA 02111-1307, USA. | |
17 | */ | |
18 | ||
19 | #ifndef DATA_STRUCTURES_H | |
20 | #define DATA_STRUCTURES_H | |
21 | ||
22 | #include <glib.h> | |
23 | #include <stdbool.h> | |
24 | #include <stdint.h> | |
25 | ||
26 | #include <ltt/ltt.h> | |
27 | ||
f10c27a8 BP |
28 | |
29 | enum Direction | |
30 | { | |
31 | OUT, | |
32 | IN, | |
33 | }; | |
34 | ||
35 | enum EventType | |
36 | { | |
37 | TCP, | |
38 | UDP, | |
2bd4b3e4 | 39 | TYPE_COUNT // This must be the last field |
f10c27a8 BP |
40 | }; |
41 | ||
10341d26 BP |
42 | // Stage 1 to 2: These structures are passed from processing to matching modules |
43 | // TCP events | |
44 | typedef struct | |
45 | { | |
46 | uint32_t saddr, daddr; | |
47 | uint16_t source, dest; | |
48 | } ConnectionKey; | |
49 | ||
50 | typedef struct | |
51 | { | |
52 | ConnectionKey connectionKey; | |
53 | uint8_t ihl; | |
54 | uint16_t tot_len; | |
55 | uint32_t seq, ack_seq; | |
56 | uint8_t doff; | |
57 | uint8_t ack, rst, syn, fin; | |
58 | } SegmentKey; | |
59 | ||
10341d26 BP |
60 | typedef struct |
61 | { | |
62 | enum Direction direction; | |
63 | SegmentKey* segmentKey; | |
64 | } TCPEvent; | |
65 | ||
66 | // UDP events | |
67 | typedef struct | |
68 | { | |
69 | uint32_t saddr, daddr; | |
f6691532 BP |
70 | uint16_t source, dest; |
71 | uint16_t ulen; | |
10341d26 BP |
72 | uint8_t dataKey[8]; |
73 | } DatagramKey; | |
74 | ||
75 | typedef struct | |
76 | { | |
77 | enum Direction direction; | |
78 | DatagramKey* datagramKey; | |
79 | bool unicast; | |
80 | } UDPEvent; | |
81 | ||
82 | typedef struct _Event | |
83 | { | |
84 | unsigned long traceNum; | |
85 | uint64_t time; | |
86 | ||
87 | // specific event structures and functions could be in separate files and | |
88 | // type could be an int | |
f6691532 | 89 | enum EventType type; |
10341d26 BP |
90 | // event could be a void*, this union is to avoid having to cast |
91 | union { | |
92 | TCPEvent* tcpEvent; | |
93 | UDPEvent* udpEvent; | |
94 | } event; | |
95 | ||
96 | void (*destroy)(struct _Event* const event); | |
97 | } Event; | |
98 | ||
99 | // Stage 2 to 3: These structures are passed from matching to analysis modules | |
100 | typedef struct _Message | |
101 | { | |
102 | Event* inE, * outE; | |
103 | ||
104 | void (*print)(const struct _Message* const message); | |
105 | } Message; | |
106 | ||
107 | typedef struct | |
108 | { | |
109 | Message* message; | |
110 | GQueue* acks; | |
111 | } Exchange; | |
112 | ||
113 | typedef struct | |
114 | { | |
115 | GQueue* events; | |
116 | } Broadcast; | |
117 | ||
118 | // One set of factors for each trace, this is the result of synchronization | |
119 | typedef struct | |
120 | { | |
121 | double drift, offset; | |
122 | } Factors; | |
123 | ||
124 | ||
125 | // ConnectionKey-related functions | |
126 | guint ghfConnectionKeyHash(gconstpointer key); | |
127 | ||
128 | gboolean gefConnectionKeyEqual(gconstpointer a, gconstpointer b); | |
129 | bool connectionKeyEqual(const ConnectionKey* const a, const ConnectionKey* | |
130 | const b); | |
131 | ||
132 | void gdnConnectionKeyDestroy(gpointer data); | |
133 | ||
134 | // SegmentKey-related functions | |
135 | guint ghfSegmentKeyHash(gconstpointer key); | |
136 | gboolean gefSegmentKeyEqual(gconstpointer a, gconstpointer b); | |
137 | ||
f10c27a8 BP |
138 | // DatagramKey-related functions |
139 | guint ghfDatagramKeyHash(gconstpointer key); | |
140 | gboolean gefDatagramKeyEqual(gconstpointer a, gconstpointer b); | |
141 | void gdnDestroyDatagramKey(gpointer data); | |
142 | ||
10341d26 BP |
143 | // Event-related functions |
144 | void gdnDestroyEvent(gpointer data); | |
145 | void destroyEvent(Event* const event); | |
146 | void destroyTCPEvent(Event* const event); | |
147 | void destroyUDPEvent(Event* const event); | |
f6691532 | 148 | void gfDestroyEvent(gpointer data, gpointer user_data); |
10341d26 BP |
149 | |
150 | // Message-related functions | |
151 | void printTCPSegment(const Message* const segment); | |
152 | void convertIP(char* const str, const uint32_t addr); | |
153 | ||
154 | gint gcfTCPSegmentAckCompare(gconstpointer a, gconstpointer b); | |
155 | bool isAcking(const Message* const ackSegment, const Message* const ackedSegment); | |
156 | ||
157 | void gdnTCPSegmentListDestroy(gpointer data); | |
158 | void gfTCPSegmentDestroy(gpointer data, gpointer user_data); | |
159 | void destroyTCPSegment(Message* const segment); | |
160 | ||
161 | // Exchange-related functions | |
162 | void destroyTCPExchange(Exchange* const exchange); | |
f6691532 BP |
163 | |
164 | // Broadcast-related functions | |
165 | void gdnDestroyBroadcast(gpointer data); | |
166 | void destroyBroadcast(Broadcast* const broadcast); | |
167 | ||
10341d26 | 168 | #endif |