1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <sys/types.h>
#include <inttypes.h>
#include <stdbool.h>
#include <systemd/sd-id128.h>
#include "journal-def.h"
#include "list.h"
#include "hashmap.h"
#include "set.h"
#include "journal-file.h"
typedef struct Match Match;
typedef struct Location Location;
typedef struct Directory Directory;
typedef enum MatchType {
MATCH_DISCRETE,
MATCH_OR_TERM,
MATCH_AND_TERM
} MatchType;
struct Match {
MatchType type;
Match *parent;
LIST_FIELDS(Match, matches);
/* For concrete matches */
char *data;
size_t size;
le64_t le_hash;
/* For terms */
LIST_HEAD(Match, matches);
};
typedef enum LocationType {
/* The first and last entries, resp. */
LOCATION_HEAD,
LOCATION_TAIL,
/* We already read the entry we currently point to, and the
* next one to read should probably not be this one again. */
LOCATION_DISCRETE,
/* We should seek to the precise location specified, and
* return it, as we haven't read it yet. */
LOCATION_SEEK
} LocationType;
struct Location {
LocationType type;
bool seqnum_set;
bool realtime_set;
bool monotonic_set;
bool xor_hash_set;
uint64_t seqnum;
sd_id128_t seqnum_id;
uint64_t realtime;
uint64_t monotonic;
sd_id128_t boot_id;
uint64_t xor_hash;
};
struct Directory {
char *path;
int wd;
bool is_root;
};
struct sd_journal {
char *path;
Hashmap *files;
MMapCache *mmap;
Location current_location;
JournalFile *current_file;
uint64_t current_field;
Match *level0, *level1, *level2;
pid_t original_pid;
int inotify_fd;
unsigned current_invalidate_counter, last_invalidate_counter;
usec_t last_process_usec;
char *unique_field;
JournalFile *unique_file;
uint64_t unique_offset;
int flags;
bool on_network;
bool no_new_files;
size_t data_threshold;
Hashmap *directories_by_path;
Hashmap *directories_by_wd;
Set *errors;
};
char *journal_make_match_string(sd_journal *j);
void journal_print_header(sd_journal *j);
static inline void journal_closep(sd_journal **j) {
sd_journal_close(*j);
}
#define _cleanup_journal_close_ _cleanup_(journal_closep)
#define JOURNAL_FOREACH_DATA_RETVAL(j, data, l, retval) \
for (sd_journal_restart_data(j); ((retval) = sd_journal_enumerate_data((j), &(data), &(l))) > 0; )
|
