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c2f1db8f | 1 | #pragma once |
e6960940 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 | |
e6960940 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. |
e6960940 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
e6960940 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
e6960940 | 22 | #include <stdbool.h> |
b1bafc00 | 23 | #include <sys/types.h> |
e6960940 | 24 | |
f9a810be | 25 | #include "sd-event.h" |
430f0182 | 26 | |
e22aa3d3 LP |
27 | typedef struct Server Server; |
28 | ||
e6960940 | 29 | #include "hashmap.h" |
430f0182 | 30 | #include "journal-file.h" |
d2bd7630 | 31 | #include "journald-rate-limit.h" |
e22aa3d3 | 32 | #include "journald-stream.h" |
e6960940 LP |
33 | #include "list.h" |
34 | ||
e156d769 LP |
35 | typedef enum Storage { |
36 | STORAGE_AUTO, | |
37 | STORAGE_VOLATILE, | |
205c4d1d | 38 | STORAGE_PERSISTENT, |
e156d769 LP |
39 | STORAGE_NONE, |
40 | _STORAGE_MAX, | |
41 | _STORAGE_INVALID = -1 | |
42 | } Storage; | |
43 | ||
182b858f | 44 | typedef enum SplitMode { |
182b858f | 45 | SPLIT_UID, |
76153ad4 | 46 | SPLIT_LOGIN, /* deprecated */ |
182b858f LP |
47 | SPLIT_NONE, |
48 | _SPLIT_MAX, | |
49 | _SPLIT_INVALID = -1 | |
50 | } SplitMode; | |
51 | ||
266a4700 | 52 | typedef struct JournalStorageSpace { |
23aba343 FB |
53 | usec_t timestamp; |
54 | ||
266a4700 FB |
55 | uint64_t available; |
56 | uint64_t limit; | |
23aba343 FB |
57 | |
58 | uint64_t vfs_used; /* space used by journal files */ | |
59 | uint64_t vfs_available; | |
266a4700 FB |
60 | } JournalStorageSpace; |
61 | ||
62 | typedef struct JournalStorage { | |
63 | const char *name; | |
64 | const char *path; | |
65 | ||
66 | JournalMetrics metrics; | |
67 | JournalStorageSpace space; | |
68 | } JournalStorage; | |
69 | ||
e22aa3d3 | 70 | struct Server { |
e6960940 LP |
71 | int syslog_fd; |
72 | int native_fd; | |
73 | int stdout_fd; | |
51abe64c | 74 | int dev_kmsg_fd; |
875c2e22 | 75 | int audit_fd; |
0c24bb23 | 76 | int hostname_fd; |
e22aa3d3 | 77 | int notify_fd; |
e6960940 | 78 | |
f9a810be LP |
79 | sd_event *event; |
80 | ||
81 | sd_event_source *syslog_event_source; | |
82 | sd_event_source *native_event_source; | |
83 | sd_event_source *stdout_event_source; | |
84 | sd_event_source *dev_kmsg_event_source; | |
875c2e22 | 85 | sd_event_source *audit_event_source; |
f9a810be LP |
86 | sd_event_source *sync_event_source; |
87 | sd_event_source *sigusr1_event_source; | |
88 | sd_event_source *sigusr2_event_source; | |
89 | sd_event_source *sigterm_event_source; | |
90 | sd_event_source *sigint_event_source; | |
94b65516 | 91 | sd_event_source *sigrtmin1_event_source; |
0c24bb23 | 92 | sd_event_source *hostname_event_source; |
e22aa3d3 | 93 | sd_event_source *notify_event_source; |
119e9655 | 94 | sd_event_source *watchdog_event_source; |
f9a810be | 95 | |
e6960940 LP |
96 | JournalFile *runtime_journal; |
97 | JournalFile *system_journal; | |
43cf8388 | 98 | OrderedHashmap *user_journals; |
e6960940 LP |
99 | |
100 | uint64_t seqnum; | |
101 | ||
102 | char *buffer; | |
103 | size_t buffer_size; | |
104 | ||
105 | JournalRateLimit *rate_limit; | |
26687bf8 | 106 | usec_t sync_interval_usec; |
e6960940 LP |
107 | usec_t rate_limit_interval; |
108 | unsigned rate_limit_burst; | |
109 | ||
266a4700 FB |
110 | JournalStorage runtime_storage; |
111 | JournalStorage system_storage; | |
e6960940 LP |
112 | |
113 | bool compress; | |
eb53b74f | 114 | bool seal; |
e6960940 | 115 | |
224f2ee2 LP |
116 | bool forward_to_kmsg; |
117 | bool forward_to_syslog; | |
118 | bool forward_to_console; | |
40b71e89 | 119 | bool forward_to_wall; |
224f2ee2 | 120 | |
178cc770 LP |
121 | unsigned n_forward_syslog_missed; |
122 | usec_t last_warn_forward_syslog_missed; | |
123 | ||
e6960940 LP |
124 | uint64_t var_available_timestamp; |
125 | ||
fb0951b0 LP |
126 | usec_t max_retention_usec; |
127 | usec_t max_file_usec; | |
128 | usec_t oldest_file_usec; | |
129 | ||
e6960940 | 130 | LIST_HEAD(StdoutStream, stdout_streams); |
e22aa3d3 | 131 | LIST_HEAD(StdoutStream, stdout_streams_notify_queue); |
e6960940 | 132 | unsigned n_stdout_streams; |
0d9243f0 LP |
133 | |
134 | char *tty_path; | |
213ba152 LP |
135 | |
136 | int max_level_store; | |
137 | int max_level_syslog; | |
138 | int max_level_kmsg; | |
139 | int max_level_console; | |
40b71e89 | 140 | int max_level_wall; |
e156d769 LP |
141 | |
142 | Storage storage; | |
182b858f | 143 | SplitMode split_mode; |
51abe64c | 144 | |
16e9f408 LP |
145 | MMapCache *mmap; |
146 | ||
b58c888f VC |
147 | Set *deferred_closes; |
148 | ||
119e9655 | 149 | struct udev *udev; |
cee5e9a7 LP |
150 | |
151 | uint64_t *kernel_seqnum; | |
119e9655 | 152 | bool dev_kmsg_readable:1; |
bdfb9e7f | 153 | |
119e9655 LP |
154 | bool send_watchdog:1; |
155 | bool sent_notify_ready:1; | |
156 | bool sync_scheduled:1; | |
0c24bb23 LP |
157 | |
158 | char machine_id_field[sizeof("_MACHINE_ID=") + 32]; | |
159 | char boot_id_field[sizeof("_BOOT_ID=") + 32]; | |
160 | char *hostname_field; | |
e9174f29 LP |
161 | |
162 | /* Cached cgroup root, so that we don't have to query that all the time */ | |
163 | char *cgroup_root; | |
119e9655 LP |
164 | |
165 | usec_t watchdog_usec; | |
7c070017 LP |
166 | |
167 | usec_t last_realtime_clock; | |
e22aa3d3 | 168 | }; |
e6960940 | 169 | |
8580d1f7 LP |
170 | #define SERVER_MACHINE_ID(s) ((s)->machine_id_field + strlen("_MACHINE_ID=")) |
171 | ||
4b58153d | 172 | #define N_IOVEC_META_FIELDS 22 |
ef63833d LP |
173 | #define N_IOVEC_KERNEL_FIELDS 64 |
174 | #define N_IOVEC_UDEV_FIELDS 32 | |
d473176a | 175 | #define N_IOVEC_OBJECT_FIELDS 14 |
282c5c4e | 176 | #define N_IOVEC_PAYLOAD_FIELDS 15 |
ef63833d | 177 | |
3b3154df | 178 | void server_dispatch_message(Server *s, struct iovec *iovec, unsigned n, unsigned m, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len, const char *unit_id, int priority, pid_t object_pid); |
8a03c9ef | 179 | void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) _printf_(3,0) _sentinel_; |
ef63833d | 180 | |
e6960940 LP |
181 | /* gperf lookup function */ |
182 | const struct ConfigPerfItem* journald_gperf_lookup(const char *key, unsigned length); | |
183 | ||
71a61510 | 184 | 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 | 185 | |
44a6b1b6 ZJS |
186 | const char *storage_to_string(Storage s) _const_; |
187 | Storage storage_from_string(const char *s) _pure_; | |
182b858f | 188 | |
71a61510 | 189 | 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 | 190 | |
44a6b1b6 ZJS |
191 | const char *split_mode_to_string(SplitMode s) _const_; |
192 | SplitMode split_mode_from_string(const char *s) _pure_; | |
d025f1e4 | 193 | |
d025f1e4 ZJS |
194 | int server_init(Server *s); |
195 | void server_done(Server *s); | |
26687bf8 | 196 | void server_sync(Server *s); |
8580d1f7 | 197 | int server_vacuum(Server *s, bool verbose, bool patch_min_use); |
d025f1e4 | 198 | void server_rotate(Server *s); |
d07f7b9e | 199 | int server_schedule_sync(Server *s, int priority); |
d025f1e4 | 200 | int server_flush_to_var(Server *s); |
d025f1e4 | 201 | void server_maybe_append_tags(Server *s); |
8531ae70 | 202 | int server_process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userdata); |
cba5629e | 203 | void server_space_usage_message(Server *s, JournalStorage *storage); |