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e6960940 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
c2f1db8f | 3 | #pragma once |
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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 | |
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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 |
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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 LP |
29 | |
30 | #include "journal-file.h" | |
31 | #include "hashmap.h" | |
32 | #include "util.h" | |
d7832d2c | 33 | #include "audit.h" |
d2bd7630 | 34 | #include "journald-rate-limit.h" |
e6960940 LP |
35 | #include "list.h" |
36 | ||
e156d769 LP |
37 | typedef enum Storage { |
38 | STORAGE_AUTO, | |
39 | STORAGE_VOLATILE, | |
205c4d1d | 40 | STORAGE_PERSISTENT, |
e156d769 LP |
41 | STORAGE_NONE, |
42 | _STORAGE_MAX, | |
43 | _STORAGE_INVALID = -1 | |
44 | } Storage; | |
45 | ||
182b858f LP |
46 | typedef enum SplitMode { |
47 | SPLIT_LOGIN, | |
48 | SPLIT_UID, | |
49 | SPLIT_NONE, | |
50 | _SPLIT_MAX, | |
51 | _SPLIT_INVALID = -1 | |
52 | } SplitMode; | |
53 | ||
e6960940 LP |
54 | typedef struct StdoutStream StdoutStream; |
55 | ||
56 | typedef struct Server { | |
57 | int epoll_fd; | |
58 | int signal_fd; | |
59 | int syslog_fd; | |
60 | int native_fd; | |
61 | int stdout_fd; | |
51abe64c | 62 | int dev_kmsg_fd; |
e6960940 LP |
63 | |
64 | JournalFile *runtime_journal; | |
65 | JournalFile *system_journal; | |
66 | Hashmap *user_journals; | |
67 | ||
68 | uint64_t seqnum; | |
69 | ||
70 | char *buffer; | |
71 | size_t buffer_size; | |
72 | ||
73 | JournalRateLimit *rate_limit; | |
74 | usec_t rate_limit_interval; | |
75 | unsigned rate_limit_burst; | |
76 | ||
77 | JournalMetrics runtime_metrics; | |
78 | JournalMetrics system_metrics; | |
79 | ||
80 | bool compress; | |
eb53b74f | 81 | bool seal; |
e6960940 | 82 | |
224f2ee2 LP |
83 | bool forward_to_kmsg; |
84 | bool forward_to_syslog; | |
85 | bool forward_to_console; | |
86 | ||
178cc770 LP |
87 | unsigned n_forward_syslog_missed; |
88 | usec_t last_warn_forward_syslog_missed; | |
89 | ||
e6960940 LP |
90 | uint64_t cached_available_space; |
91 | usec_t cached_available_space_timestamp; | |
92 | ||
93 | uint64_t var_available_timestamp; | |
94 | ||
fb0951b0 LP |
95 | usec_t max_retention_usec; |
96 | usec_t max_file_usec; | |
97 | usec_t oldest_file_usec; | |
98 | ||
5e41cfec LP |
99 | gid_t file_gid; |
100 | bool file_gid_valid; | |
101 | ||
e6960940 LP |
102 | LIST_HEAD(StdoutStream, stdout_streams); |
103 | unsigned n_stdout_streams; | |
0d9243f0 LP |
104 | |
105 | char *tty_path; | |
213ba152 LP |
106 | |
107 | int max_level_store; | |
108 | int max_level_syslog; | |
109 | int max_level_kmsg; | |
110 | int max_level_console; | |
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111 | |
112 | Storage storage; | |
182b858f | 113 | SplitMode split_mode; |
51abe64c | 114 | |
16e9f408 LP |
115 | MMapCache *mmap; |
116 | ||
51abe64c | 117 | bool dev_kmsg_readable; |
cee5e9a7 LP |
118 | |
119 | uint64_t *kernel_seqnum; | |
bdfb9e7f LP |
120 | |
121 | struct udev *udev; | |
e6960940 LP |
122 | } Server; |
123 | ||
ef63833d LP |
124 | #define N_IOVEC_META_FIELDS 17 |
125 | #define N_IOVEC_KERNEL_FIELDS 64 | |
126 | #define N_IOVEC_UDEV_FIELDS 32 | |
127 | ||
128 | 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); | |
ef63833d LP |
129 | void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...); |
130 | ||
e6960940 LP |
131 | /* gperf lookup function */ |
132 | const struct ConfigPerfItem* journald_gperf_lookup(const char *key, unsigned length); | |
133 | ||
e156d769 LP |
134 | int config_parse_storage(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |
135 | ||
136 | const char *storage_to_string(Storage s); | |
137 | Storage storage_from_string(const char *s); | |
182b858f LP |
138 | |
139 | int config_parse_split_mode(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); | |
140 | ||
141 | const char *split_mode_to_string(SplitMode s); | |
142 | SplitMode split_mode_from_string(const char *s); | |
d025f1e4 ZJS |
143 | |
144 | void server_fix_perms(Server *s, JournalFile *f, uid_t uid); | |
145 | bool shall_try_append_again(JournalFile *f, int r); | |
146 | int server_init(Server *s); | |
147 | void server_done(Server *s); | |
148 | void server_vacuum(Server *s); | |
149 | void server_rotate(Server *s); | |
150 | int server_flush_to_var(Server *s); | |
151 | int process_event(Server *s, struct epoll_event *ev); | |
152 | void server_maybe_append_tags(Server *s); |