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c2f1db8f | 1 | #pragma once |
f39e126e LP |
2 | |
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
f39e126e LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
f39e126e | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
f39e126e LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
f39e126e LP |
22 | #include <inttypes.h> |
23 | #include <stdbool.h> | |
71d35b6b | 24 | #include <sys/types.h> |
f39e126e | 25 | |
07630cea LP |
26 | #include "sd-id128.h" |
27 | #include "sd-journal.h" | |
81527be1 | 28 | |
07630cea | 29 | #include "hashmap.h" |
cbdca852 | 30 | #include "journal-def.h" |
07630cea | 31 | #include "journal-file.h" |
f39e126e | 32 | #include "list.h" |
6fe391c5 | 33 | #include "set.h" |
cbdca852 | 34 | |
f39e126e | 35 | typedef struct Match Match; |
a963990f LP |
36 | typedef struct Location Location; |
37 | typedef struct Directory Directory; | |
38 | ||
cbdca852 LP |
39 | typedef enum MatchType { |
40 | MATCH_DISCRETE, | |
41 | MATCH_OR_TERM, | |
42 | MATCH_AND_TERM | |
43 | } MatchType; | |
f39e126e LP |
44 | |
45 | struct Match { | |
cbdca852 LP |
46 | MatchType type; |
47 | Match *parent; | |
48 | LIST_FIELDS(Match, matches); | |
49 | ||
50 | /* For concrete matches */ | |
f39e126e LP |
51 | char *data; |
52 | size_t size; | |
4fd052ae | 53 | le64_t le_hash; |
f39e126e | 54 | |
cbdca852 LP |
55 | /* For terms */ |
56 | LIST_HEAD(Match, matches); | |
f39e126e LP |
57 | }; |
58 | ||
a963990f | 59 | struct Location { |
cbdca852 | 60 | LocationType type; |
f39e126e | 61 | |
68667801 ZJS |
62 | bool seqnum_set; |
63 | bool realtime_set; | |
64 | bool monotonic_set; | |
65 | bool xor_hash_set; | |
66 | ||
f39e126e LP |
67 | uint64_t seqnum; |
68 | sd_id128_t seqnum_id; | |
f39e126e LP |
69 | |
70 | uint64_t realtime; | |
f39e126e LP |
71 | |
72 | uint64_t monotonic; | |
73 | sd_id128_t boot_id; | |
f39e126e LP |
74 | |
75 | uint64_t xor_hash; | |
a963990f LP |
76 | }; |
77 | ||
78 | struct Directory { | |
79 | char *path; | |
80 | int wd; | |
81 | bool is_root; | |
82 | }; | |
f39e126e LP |
83 | |
84 | struct sd_journal { | |
5d1ce257 LP |
85 | int toplevel_fd; |
86 | ||
7827b1a1 | 87 | char *path; |
89739579 | 88 | char *prefix; |
7827b1a1 | 89 | |
c1f906bd | 90 | OrderedHashmap *files; |
16e9f408 | 91 | MMapCache *mmap; |
f39e126e LP |
92 | |
93 | Location current_location; | |
cbdca852 | 94 | |
f39e126e LP |
95 | JournalFile *current_file; |
96 | uint64_t current_field; | |
97 | ||
cd34b3c6 | 98 | Match *level0, *level1, *level2; |
a963990f | 99 | |
a65f06bb ZJS |
100 | pid_t original_pid; |
101 | ||
102 | int inotify_fd; | |
a963990f | 103 | unsigned current_invalidate_counter, last_invalidate_counter; |
a65f06bb | 104 | usec_t last_process_usec; |
3c1668da | 105 | |
eb86030e | 106 | /* Iterating through unique fields and their data values */ |
3c1668da LP |
107 | char *unique_field; |
108 | JournalFile *unique_file; | |
109 | uint64_t unique_offset; | |
85210bff | 110 | |
eb86030e LP |
111 | /* Iterating through known fields */ |
112 | JournalFile *fields_file; | |
113 | uint64_t fields_offset; | |
114 | uint64_t fields_hash_table_index; | |
115 | char *fields_buffer; | |
116 | size_t fields_buffer_allocated; | |
117 | ||
a65f06bb ZJS |
118 | int flags; |
119 | ||
eb86030e LP |
120 | bool on_network:1; |
121 | bool no_new_files:1; | |
5d1ce257 | 122 | bool no_inotify:1; |
eb86030e LP |
123 | bool unique_file_lost:1; /* File we were iterating over got |
124 | removed, and there were no more | |
125 | files, so sd_j_enumerate_unique | |
126 | will return a value equal to 0. */ | |
127 | bool fields_file_lost:1; | |
39fd5b08 JS |
128 | bool has_runtime_files:1; |
129 | bool has_persistent_files:1; | |
93b73b06 LP |
130 | |
131 | size_t data_threshold; | |
6fe391c5 | 132 | |
a65f06bb ZJS |
133 | Hashmap *directories_by_path; |
134 | Hashmap *directories_by_wd; | |
39c155ea | 135 | |
5768d259 | 136 | Hashmap *errors; |
f39e126e LP |
137 | }; |
138 | ||
cbdca852 | 139 | char *journal_make_match_string(sd_journal *j); |
dca6219e | 140 | void journal_print_header(sd_journal *j); |
dfb33a97 | 141 | |
a72b6353 ZJS |
142 | #define JOURNAL_FOREACH_DATA_RETVAL(j, data, l, retval) \ |
143 | for (sd_journal_restart_data(j); ((retval) = sd_journal_enumerate_data((j), &(data), &(l))) > 0; ) |