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10341d26 BP |
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 | ||
f10c27a8 BP |
26 | |
27 | enum Direction | |
28 | { | |
29 | OUT, | |
30 | IN, | |
31 | }; | |
32 | ||
33 | enum EventType | |
34 | { | |
35 | TCP, | |
36 | UDP, | |
2bd4b3e4 | 37 | TYPE_COUNT // This must be the last field |
f10c27a8 BP |
38 | }; |
39 | ||
10341d26 BP |
40 | // Stage 1 to 2: These structures are passed from processing to matching modules |
41 | // TCP events | |
42 | typedef struct | |
43 | { | |
44 | uint32_t saddr, daddr; | |
45 | uint16_t source, dest; | |
46 | } ConnectionKey; | |
47 | ||
48 | typedef struct | |
49 | { | |
50 | ConnectionKey connectionKey; | |
51 | uint8_t ihl; | |
52 | uint16_t tot_len; | |
53 | uint32_t seq, ack_seq; | |
54 | uint8_t doff; | |
55 | uint8_t ack, rst, syn, fin; | |
56 | } SegmentKey; | |
57 | ||
10341d26 BP |
58 | typedef struct |
59 | { | |
60 | enum Direction direction; | |
61 | SegmentKey* segmentKey; | |
62 | } TCPEvent; | |
63 | ||
64 | // UDP events | |
65 | typedef struct | |
66 | { | |
67 | uint32_t saddr, daddr; | |
f6691532 BP |
68 | uint16_t source, dest; |
69 | uint16_t ulen; | |
10341d26 BP |
70 | uint8_t dataKey[8]; |
71 | } DatagramKey; | |
72 | ||
73 | typedef struct | |
74 | { | |
75 | enum Direction direction; | |
76 | DatagramKey* datagramKey; | |
77 | bool unicast; | |
78 | } UDPEvent; | |
79 | ||
76be6fc2 BP |
80 | typedef struct |
81 | { | |
82 | uint32_t seconds; | |
83 | uint32_t nanosec; | |
84 | } WallTime; | |
85 | ||
10341d26 BP |
86 | typedef struct _Event |
87 | { | |
88 | unsigned long traceNum; | |
467066ee BP |
89 | // wallTime is corrected according to factors in trace struct, cpuTime |
90 | // is not | |
76be6fc2 BP |
91 | uint64_t cpuTime; |
92 | WallTime wallTime; | |
10341d26 BP |
93 | |
94 | // specific event structures and functions could be in separate files and | |
95 | // type could be an int | |
f6691532 | 96 | enum EventType type; |
10341d26 BP |
97 | // event could be a void*, this union is to avoid having to cast |
98 | union { | |
99 | TCPEvent* tcpEvent; | |
100 | UDPEvent* udpEvent; | |
101 | } event; | |
102 | ||
d4721e1a | 103 | void (*copy)(const struct _Event* const event, struct _Event** const newEvent); |
10341d26 BP |
104 | void (*destroy)(struct _Event* const event); |
105 | } Event; | |
106 | ||
107 | // Stage 2 to 3: These structures are passed from matching to analysis modules | |
108 | typedef struct _Message | |
109 | { | |
110 | Event* inE, * outE; | |
111 | ||
112 | void (*print)(const struct _Message* const message); | |
113 | } Message; | |
114 | ||
115 | typedef struct | |
116 | { | |
117 | Message* message; | |
ffa21cfd | 118 | // Event* acks[] |
10341d26 BP |
119 | GQueue* acks; |
120 | } Exchange; | |
121 | ||
122 | typedef struct | |
123 | { | |
ffa21cfd | 124 | // Event* events[] |
10341d26 BP |
125 | GQueue* events; |
126 | } Broadcast; | |
127 | ||
128 | // One set of factors for each trace, this is the result of synchronization | |
129 | typedef struct | |
130 | { | |
131 | double drift, offset; | |
132 | } Factors; | |
133 | ||
134 | ||
135 | // ConnectionKey-related functions | |
136 | guint ghfConnectionKeyHash(gconstpointer key); | |
137 | ||
138 | gboolean gefConnectionKeyEqual(gconstpointer a, gconstpointer b); | |
139 | bool connectionKeyEqual(const ConnectionKey* const a, const ConnectionKey* | |
140 | const b); | |
141 | ||
142 | void gdnConnectionKeyDestroy(gpointer data); | |
143 | ||
144 | // SegmentKey-related functions | |
145 | guint ghfSegmentKeyHash(gconstpointer key); | |
146 | gboolean gefSegmentKeyEqual(gconstpointer a, gconstpointer b); | |
147 | ||
f10c27a8 BP |
148 | // DatagramKey-related functions |
149 | guint ghfDatagramKeyHash(gconstpointer key); | |
150 | gboolean gefDatagramKeyEqual(gconstpointer a, gconstpointer b); | |
151 | void gdnDestroyDatagramKey(gpointer data); | |
152 | ||
10341d26 BP |
153 | // Event-related functions |
154 | void gdnDestroyEvent(gpointer data); | |
d4721e1a BP |
155 | void copyEvent(const Event* const event, Event** const newEvent); |
156 | void copyTCPEvent(const Event* const event, Event** const newEvent); | |
157 | void copyUDPEvent(const Event* const event, Event** const newEvent); | |
10341d26 BP |
158 | void destroyEvent(Event* const event); |
159 | void destroyTCPEvent(Event* const event); | |
160 | void destroyUDPEvent(Event* const event); | |
f6691532 | 161 | void gfDestroyEvent(gpointer data, gpointer user_data); |
76be6fc2 | 162 | double wallTimeSub(const WallTime const* tA, const WallTime const* tB); |
66eaf2eb | 163 | void gfAddEventToArray(gpointer data, gpointer user_data); |
10341d26 BP |
164 | |
165 | // Message-related functions | |
166 | void printTCPSegment(const Message* const segment); | |
167 | void convertIP(char* const str, const uint32_t addr); | |
168 | ||
169 | gint gcfTCPSegmentAckCompare(gconstpointer a, gconstpointer b); | |
170 | bool isAcking(const Message* const ackSegment, const Message* const ackedSegment); | |
171 | ||
172 | void gdnTCPSegmentListDestroy(gpointer data); | |
173 | void gfTCPSegmentDestroy(gpointer data, gpointer user_data); | |
174 | void destroyTCPSegment(Message* const segment); | |
175 | ||
176 | // Exchange-related functions | |
177 | void destroyTCPExchange(Exchange* const exchange); | |
f6691532 BP |
178 | |
179 | // Broadcast-related functions | |
180 | void gdnDestroyBroadcast(gpointer data); | |
181 | void destroyBroadcast(Broadcast* const broadcast); | |
182 | ||
10341d26 | 183 | #endif |