source: lib/libtrace_int.h @ 7068467

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivegetfragoffhelplibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since 7068467 was 7068467, checked in by Perry Lorier <perry@…>, 16 years ago

Major cleanup of libtrace3
Lots of documentation fixes
Lots of zerocopy fixes
Lots of config option fixes

  • Property mode set to 100644
File size: 5.2 KB
RevLine 
[4dedc28]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
[9e2a109]31#ifndef LIBTRACE_INT_H
32#define LIBTRACE_INT_H
[4dedc28]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"
[f9374e9]64#include "daglegacy.h"
65       
[4dedc28]66#ifdef HAVE_DAG_API
67#  include "dagnew.h"
68#  include "dagapi.h"
69#else
70#  include "dagformat.h"
71#endif
72
[37195b4]73#include <stdbool.h>
74
[4dedc28]75typedef enum {SOCKET, TRACE, STDIN, DEVICE, INTERFACE, RT } source_t;
76
[ffc8c8d]77
[f1a1f5e]78extern struct trace_err_t{
[7068467]79        int err_num;            /* error code */
80        char problem[255];      /* the format, uri etc that caused the error for reporting purposes */
[ffc8c8d]81} trace_err;
82
83
[4dedc28]84#define RP_BUFSIZE 65536
85
[9e2a109]86struct libtrace_format_data_t;
[4dedc28]87
[9e2a109]88struct libtrace_event_t {
[4dedc28]89        struct {
90                void *buffer;
91                int size;
92        } packet;
93        double tdelta;
94        double trace_last_ts;
95};
96
[9e2a109]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 */
[37195b4]104        bool started;
[1fc2f6a]105
[9e2a109]106        struct libtrace_event_t event;
[91ebc50]107        char *uridata;
[b5cd711]108        struct tracefifo_t *fifo;   
[1fc2f6a]109
[9e2a109]110};
[1fc2f6a]111
[9e2a109]112struct libtrace_out_t {
113        struct libtrace_format_t *format;
114        struct libtrace_format_data_out_t *format_data;
[1fc2f6a]115
[9e2a109]116        char *uridata;
[b5cd711]117        struct tracefifo_t *fifo;
[1fc2f6a]118};
119
120
[4dedc28]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
[9e2a109]150struct libtrace_format_t {
[4dedc28]151        char *name;
152        char *version;
[1974620]153        char *type;
[4dedc28]154        int (*init_input)(struct libtrace_t *libtrace);
[7068467]155        int (*config_input)(struct libtrace_t *libtrace,trace_option_t option,void *value);
[37195b4]156        int (*start_input)(struct libtrace_t *libtrace);
[4dedc28]157        int (*init_output)(struct libtrace_out_t *libtrace);
[7068467]158        int (*config_output)(struct libtrace_out_t *libtrace, trace_option_output_t, void *);
[37195b4]159        int (*start_output)(struct libtrace_out_t *libtrace);
[4dedc28]160        int (*fin_input)(struct libtrace_t *libtrace);
[7050c10]161        int (*fin_output)(struct libtrace_out_t *libtrace);
[4dedc28]162        int (*read_packet)(struct libtrace_t *libtrace, struct libtrace_packet_t *packet);
[31709e8d]163        int (*write_packet)(struct libtrace_out_t *libtrace, const struct libtrace_packet_t *packet);
[4dedc28]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);
[7c8eacf]172        int (*get_framing_length)(const struct libtrace_packet_t *packet);
[c95b923]173        size_t (*set_capture_length)(struct libtrace_packet_t *packet,size_t size);
[9c6aa95]174        int (*get_fd)(const struct libtrace_packet_t *packet);
[72bfe20]175        struct libtrace_eventobj_t (*trace_event)(struct libtrace_t *trace, struct libtrace_packet_t *packet); 
[dd22d84]176        void (*help)();
[4dedc28]177};
178
[9e2a109]179extern struct libtrace_format_t *form;
[4dedc28]180
[9e2a109]181void register_format(struct libtrace_format_t *format);
[7068467]182
183libtrace_linktype_t pcap_dlt_to_libtrace(int dlt);
184char libtrace_to_pcap_dlt(libtrace_linktype_t type);
185libtrace_linktype_t erf_type_to_libtrace(char erf);
186char libtrace_to_erf_type(libtrace_linktype_t linktype);
187
[4dedc28]188       
189#ifdef __cplusplus
190}
191#endif
192
[7068467]193#endif /* LIBTRACE_INT_H */
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