]>
Commit | Line | Data |
---|---|---|
e6960940 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
c2f1db8f | 3 | #pragma once |
e6960940 LP |
4 | |
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2011 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
11 | under the terms of the GNU Lesser General Public License as published by |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
e6960940 LP |
13 | (at your option) any later version. |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 18 | Lesser General Public License for more details. |
e6960940 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
e6960940 LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
24 | #include <inttypes.h> | |
e6960940 | 25 | #include <stdbool.h> |
d025f1e4 | 26 | #include <sys/epoll.h> |
b1bafc00 ZJS |
27 | #include <sys/types.h> |
28 | #include <sys/socket.h> | |
e6960940 | 29 | |
f9a810be | 30 | #include "sd-event.h" |
e6960940 LP |
31 | #include "journal-file.h" |
32 | #include "hashmap.h" | |
33 | #include "util.h" | |
d7832d2c | 34 | #include "audit.h" |
d2bd7630 | 35 | #include "journald-rate-limit.h" |
e6960940 LP |
36 | #include "list.h" |
37 | ||
e156d769 LP |
38 | typedef enum Storage { |
39 | STORAGE_AUTO, | |
40 | STORAGE_VOLATILE, | |
205c4d1d | 41 | STORAGE_PERSISTENT, |
e156d769 LP |
42 | STORAGE_NONE, |
43 | _STORAGE_MAX, | |
44 | _STORAGE_INVALID = -1 | |
45 | } Storage; | |
46 | ||
182b858f | 47 | typedef enum SplitMode { |
182b858f | 48 | SPLIT_UID, |
edc3797f | 49 | SPLIT_LOGIN, |
182b858f LP |
50 | SPLIT_NONE, |
51 | _SPLIT_MAX, | |
52 | _SPLIT_INVALID = -1 | |
53 | } SplitMode; | |
54 | ||
e6960940 LP |
55 | typedef struct StdoutStream StdoutStream; |
56 | ||
57 | typedef struct Server { | |
e6960940 LP |
58 | int syslog_fd; |
59 | int native_fd; | |
60 | int stdout_fd; | |
51abe64c | 61 | int dev_kmsg_fd; |
0c24bb23 | 62 | int hostname_fd; |
e6960940 | 63 | |
f9a810be LP |
64 | sd_event *event; |
65 | ||
66 | sd_event_source *syslog_event_source; | |
67 | sd_event_source *native_event_source; | |
68 | sd_event_source *stdout_event_source; | |
69 | sd_event_source *dev_kmsg_event_source; | |
70 | sd_event_source *sync_event_source; | |
71 | sd_event_source *sigusr1_event_source; | |
72 | sd_event_source *sigusr2_event_source; | |
73 | sd_event_source *sigterm_event_source; | |
74 | sd_event_source *sigint_event_source; | |
0c24bb23 | 75 | sd_event_source *hostname_event_source; |
f9a810be | 76 | |
e6960940 LP |
77 | JournalFile *runtime_journal; |
78 | JournalFile *system_journal; | |
79 | Hashmap *user_journals; | |
80 | ||
81 | uint64_t seqnum; | |
82 | ||
83 | char *buffer; | |
84 | size_t buffer_size; | |
85 | ||
86 | JournalRateLimit *rate_limit; | |
26687bf8 | 87 | usec_t sync_interval_usec; |
e6960940 LP |
88 | usec_t rate_limit_interval; |
89 | unsigned rate_limit_burst; | |
90 | ||
91 | JournalMetrics runtime_metrics; | |
92 | JournalMetrics system_metrics; | |
93 | ||
94 | bool compress; | |
eb53b74f | 95 | bool seal; |
e6960940 | 96 | |
224f2ee2 LP |
97 | bool forward_to_kmsg; |
98 | bool forward_to_syslog; | |
99 | bool forward_to_console; | |
40b71e89 | 100 | bool forward_to_wall; |
224f2ee2 | 101 | |
178cc770 LP |
102 | unsigned n_forward_syslog_missed; |
103 | usec_t last_warn_forward_syslog_missed; | |
104 | ||
e6960940 LP |
105 | uint64_t cached_available_space; |
106 | usec_t cached_available_space_timestamp; | |
107 | ||
108 | uint64_t var_available_timestamp; | |
109 | ||
fb0951b0 LP |
110 | usec_t max_retention_usec; |
111 | usec_t max_file_usec; | |
112 | usec_t oldest_file_usec; | |
113 | ||
e6960940 LP |
114 | LIST_HEAD(StdoutStream, stdout_streams); |
115 | unsigned n_stdout_streams; | |
0d9243f0 LP |
116 | |
117 | char *tty_path; | |
213ba152 LP |
118 | |
119 | int max_level_store; | |
120 | int max_level_syslog; | |
121 | int max_level_kmsg; | |
122 | int max_level_console; | |
40b71e89 | 123 | int max_level_wall; |
e156d769 LP |
124 | |
125 | Storage storage; | |
182b858f | 126 | SplitMode split_mode; |
51abe64c | 127 | |
16e9f408 LP |
128 | MMapCache *mmap; |
129 | ||
51abe64c | 130 | bool dev_kmsg_readable; |
cee5e9a7 LP |
131 | |
132 | uint64_t *kernel_seqnum; | |
bdfb9e7f LP |
133 | |
134 | struct udev *udev; | |
26687bf8 | 135 | |
26687bf8 | 136 | bool sync_scheduled; |
0c24bb23 LP |
137 | |
138 | char machine_id_field[sizeof("_MACHINE_ID=") + 32]; | |
139 | char boot_id_field[sizeof("_BOOT_ID=") + 32]; | |
140 | char *hostname_field; | |
e9174f29 LP |
141 | |
142 | /* Cached cgroup root, so that we don't have to query that all the time */ | |
143 | char *cgroup_root; | |
e6960940 LP |
144 | } Server; |
145 | ||
0a244b8e | 146 | #define N_IOVEC_META_FIELDS 20 |
ef63833d LP |
147 | #define N_IOVEC_KERNEL_FIELDS 64 |
148 | #define N_IOVEC_UDEV_FIELDS 32 | |
968f3196 | 149 | #define N_IOVEC_OBJECT_FIELDS 11 |
ef63833d | 150 | |
968f3196 | 151 | void server_dispatch_message(Server *s, struct iovec *iovec, unsigned n, unsigned m, struct ucred *ucred, struct timeval *tv, const char *label, size_t label_len, const char *unit_id, int priority, pid_t object_pid); |
44b601bc | 152 | void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) _printf_(3,4); |
ef63833d | 153 | |
e6960940 LP |
154 | /* gperf lookup function */ |
155 | const struct ConfigPerfItem* journald_gperf_lookup(const char *key, unsigned length); | |
156 | ||
71a61510 | 157 | int config_parse_storage(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
e156d769 | 158 | |
44a6b1b6 ZJS |
159 | const char *storage_to_string(Storage s) _const_; |
160 | Storage storage_from_string(const char *s) _pure_; | |
182b858f | 161 | |
71a61510 | 162 | int config_parse_split_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
182b858f | 163 | |
44a6b1b6 ZJS |
164 | const char *split_mode_to_string(SplitMode s) _const_; |
165 | SplitMode split_mode_from_string(const char *s) _pure_; | |
d025f1e4 ZJS |
166 | |
167 | void server_fix_perms(Server *s, JournalFile *f, uid_t uid); | |
168 | bool shall_try_append_again(JournalFile *f, int r); | |
169 | int server_init(Server *s); | |
170 | void server_done(Server *s); | |
26687bf8 | 171 | void server_sync(Server *s); |
d025f1e4 ZJS |
172 | void server_vacuum(Server *s); |
173 | void server_rotate(Server *s); | |
d07f7b9e | 174 | int server_schedule_sync(Server *s, int priority); |
d025f1e4 | 175 | int server_flush_to_var(Server *s); |
d025f1e4 | 176 | void server_maybe_append_tags(Server *s); |
f9a810be | 177 | int process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userdata); |