source: lib/libtrace_int.h @ 7f32bb5

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivegetfragoffhelplibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since 7f32bb5 was 37195b4, checked in by Perry Lorier <perry@…>, 16 years ago

Split out legacy from erf
Added config_input, start_input, and start_output hooks for formats

  • Property mode set to 100644
File size: 4.9 KB
Line 
1/*
2 * This file is part of libtrace
3 *
4 * Copyright (c) 2004 The University of Waikato, Hamilton, New Zealand.
5 * Authors: Daniel Lawson
6 *          Perry Lorier
7 *         
8 * All rights reserved.
9 *
10 * This code has been developed by the University of Waikato WAND
11 * research group. For further information please see http://www.wand.net.nz/
12 *
13 * libtrace is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * libtrace is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with libtrace; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
26 *
27 * $Id$
28 *
29 */
30
31#ifndef LIBTRACE_INT_H
32#define LIBTRACE_INT_H
33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
38#include "common.h"
39#include "config.h"
40#include "libtrace.h"
41#include "fifo.h"
42
43#if HAVE_PCAP_BPF_H
44#  include <pcap-bpf.h>
45#else
46#  ifdef HAVE_NET_BPF_H
47#    include <net/bpf.h>
48#  endif
49#endif
50
51#if HAVE_PCAP_H
52#  include <pcap.h>
53#  ifdef HAVE_PCAP_INT_H
54#    include <pcap-int.h>
55#  endif
56#endif
57
58#ifdef HAVE_ZLIB_H
59#  include <zlib.h>
60#endif
61
62
63#include "wag.h"
64#include "daglegacy.h"
65       
66#ifdef HAVE_DAG_API
67#  include "dagnew.h"
68#  include "dagapi.h"
69#else
70#  include "dagformat.h"
71#endif
72
73#include <stdbool.h>
74
75typedef enum {SOCKET, TRACE, STDIN, DEVICE, INTERFACE, RT } source_t;
76
77
78extern struct trace_err_t{
79        int err_num;    // error code
80        char problem[255];      // the format, uri etc that caused the error for reporting purposes
81} trace_err;
82
83
84#define RP_BUFSIZE 65536
85
86struct libtrace_format_data_t;
87
88struct libtrace_event_t {
89        struct {
90                void *buffer;
91                int size;
92        } packet;
93        double tdelta;
94        double trace_last_ts;
95};
96
97/** The information about traces that are open
98 * @internal
99 */
100struct libtrace_t {
101        struct libtrace_format_t *format; /**< format driver pointer */
102        struct libtrace_format_data_t *format_data; /**<format data pointer */
103        source_t sourcetype;    /**< The type (device,file, etc */
104        bool started;
105
106        struct libtrace_event_t event;
107        char *uridata;
108        struct tracefifo_t *fifo;   
109
110};
111
112struct libtrace_out_t {
113        struct libtrace_format_t *format;
114        struct libtrace_format_data_out_t *format_data;
115
116        char *uridata;
117        struct tracefifo_t *fifo;
118};
119
120
121struct trace_sll_header_t {
122        uint16_t pkttype;               /* packet type */
123        uint16_t hatype;                /* link-layer address type */
124        uint16_t halen;                 /* link-layer address length */
125        char addr[8];                   /* link-layer address */
126        uint16_t protocol;              /* protocol */
127};
128
129#ifndef PF_RULESET_NAME_SIZE
130#define PF_RULESET_NAME_SIZE 16
131#endif
132
133#ifndef IFNAMSIZ
134#define IFNAMSIZ 16
135#endif
136
137struct trace_pflog_header_t {
138        uint8_t    length;
139        sa_family_t   af;
140        uint8_t    action;
141        uint8_t    reason;
142        char       ifname[IFNAMSIZ];
143        char       ruleset[PF_RULESET_NAME_SIZE];
144        uint32_t   rulenr;
145        uint32_t   subrulenr;
146        uint8_t    dir;
147        uint8_t    pad[3];
148};
149
150struct libtrace_format_t {
151        char *name;
152        char *version;
153        char *type;
154        int (*init_input)(struct libtrace_t *libtrace);
155        int (*config_input)(struct libtrace_t *libtrace,char *option,void *value);
156        int (*start_input)(struct libtrace_t *libtrace);
157        int (*init_output)(struct libtrace_out_t *libtrace);
158        int (*config_output)(struct libtrace_out_t *libtrace, int argc, char *argv[]);
159        int (*start_output)(struct libtrace_out_t *libtrace);
160        int (*fin_input)(struct libtrace_t *libtrace);
161        int (*fin_output)(struct libtrace_out_t *libtrace);
162        int (*read_packet)(struct libtrace_t *libtrace, struct libtrace_packet_t *packet);
163        int (*write_packet)(struct libtrace_out_t *libtrace, const struct libtrace_packet_t *packet);
164        libtrace_linktype_t (*get_link_type)(const struct libtrace_packet_t *packet);
165        int8_t (*get_direction)(const struct libtrace_packet_t *packet);
166        int8_t (*set_direction)(const struct libtrace_packet_t *packet, int8_t direction);
167        uint64_t (*get_erf_timestamp)(const struct libtrace_packet_t *packet);
168        struct timeval (*get_timeval)(const struct libtrace_packet_t *packet);
169        double (*get_seconds)(const struct libtrace_packet_t *packet);
170        int (*get_capture_length)(const struct libtrace_packet_t *packet);
171        int (*get_wire_length)(const struct libtrace_packet_t *packet);
172        int (*get_framing_length)(const struct libtrace_packet_t *packet);
173        size_t (*set_capture_length)(struct libtrace_packet_t *packet,size_t size);
174        int (*get_fd)(const struct libtrace_packet_t *packet);
175        struct libtrace_eventobj_t (*trace_event)(struct libtrace_t *trace, struct libtrace_packet_t *packet); 
176        void (*help)();
177};
178
179extern struct libtrace_format_t *form;
180
181void register_format(struct libtrace_format_t *format);
182       
183#ifdef __cplusplus
184}
185#endif
186
187#endif // LIBTRACE_INT_H
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