LCOV - code coverage report
Current view: top level - systemd - sd-journal.h (source / functions) Hit Total Coverage
Test: systemd_full.info Lines: 1 1 100.0 %
Date: 2019-08-23 13:36:53 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 2 2 100.0 %

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: LGPL-2.1+ */
       2                 :            : #ifndef foosdjournalhfoo
       3                 :            : #define foosdjournalhfoo
       4                 :            : 
       5                 :            : /***
       6                 :            :   systemd is free software; you can redistribute it and/or modify it
       7                 :            :   under the terms of the GNU Lesser General Public License as published by
       8                 :            :   the Free Software Foundation; either version 2.1 of the License, or
       9                 :            :   (at your option) any later version.
      10                 :            : 
      11                 :            :   systemd is distributed in the hope that it will be useful, but
      12                 :            :   WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
      14                 :            :   Lesser General Public License for more details.
      15                 :            : 
      16                 :            :   You should have received a copy of the GNU Lesser General Public License
      17                 :            :   along with systemd; If not, see <http://www.gnu.org/licenses/>.
      18                 :            : ***/
      19                 :            : 
      20                 :            : #include <inttypes.h>
      21                 :            : #include <stdarg.h>
      22                 :            : #include <sys/types.h>
      23                 :            : #include <sys/uio.h>
      24                 :            : #include <syslog.h>
      25                 :            : 
      26                 :            : #include "sd-id128.h"
      27                 :            : 
      28                 :            : #include "_sd-common.h"
      29                 :            : 
      30                 :            : /* Journal APIs. See sd-journal(3) for more information. */
      31                 :            : 
      32                 :            : _SD_BEGIN_DECLARATIONS;
      33                 :            : 
      34                 :            : /* Write to daemon */
      35                 :            : int sd_journal_print(int priority, const char *format, ...) _sd_printf_(2, 3);
      36                 :            : int sd_journal_printv(int priority, const char *format, va_list ap) _sd_printf_(2, 0);
      37                 :            : int sd_journal_send(const char *format, ...) _sd_printf_(1, 0) _sd_sentinel_;
      38                 :            : int sd_journal_sendv(const struct iovec *iov, int n);
      39                 :            : int sd_journal_perror(const char *message);
      40                 :            : 
      41                 :            : /* Used by the macros below. You probably don't want to call this directly. */
      42                 :            : int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) _sd_printf_(5, 6);
      43                 :            : int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap) _sd_printf_(5, 0);
      44                 :            : int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) _sd_printf_(4, 0) _sd_sentinel_;
      45                 :            : int sd_journal_sendv_with_location(const char *file, const char *line, const char *func, const struct iovec *iov, int n);
      46                 :            : int sd_journal_perror_with_location(const char *file, const char *line, const char *func, const char *message);
      47                 :            : 
      48                 :            : /* implicitly add code location to messages sent, if this is enabled */
      49                 :            : #ifndef SD_JOURNAL_SUPPRESS_LOCATION
      50                 :            : 
      51                 :            : #define sd_journal_print(priority, ...) sd_journal_print_with_location(priority, "CODE_FILE=" __FILE__, "CODE_LINE=" _SD_STRINGIFY(__LINE__), __func__, __VA_ARGS__)
      52                 :            : #define sd_journal_printv(priority, format, ap) sd_journal_printv_with_location(priority, "CODE_FILE=" __FILE__, "CODE_LINE=" _SD_STRINGIFY(__LINE__), __func__, format, ap)
      53                 :            : #define sd_journal_send(...) sd_journal_send_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _SD_STRINGIFY(__LINE__), __func__, __VA_ARGS__)
      54                 :            : #define sd_journal_sendv(iovec, n) sd_journal_sendv_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _SD_STRINGIFY(__LINE__), __func__, iovec, n)
      55                 :            : #define sd_journal_perror(message) sd_journal_perror_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _SD_STRINGIFY(__LINE__), __func__, message)
      56                 :            : 
      57                 :            : #endif
      58                 :            : 
      59                 :            : int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix);
      60                 :            : 
      61                 :            : /* Browse journal stream */
      62                 :            : 
      63                 :            : typedef struct sd_journal sd_journal;
      64                 :            : 
      65                 :            : /* Open flags */
      66                 :            : enum {
      67                 :            :         SD_JOURNAL_LOCAL_ONLY   = 1 << 0,
      68                 :            :         SD_JOURNAL_RUNTIME_ONLY = 1 << 1,
      69                 :            :         SD_JOURNAL_SYSTEM       = 1 << 2,
      70                 :            :         SD_JOURNAL_CURRENT_USER = 1 << 3,
      71                 :            :         SD_JOURNAL_OS_ROOT      = 1 << 4,
      72                 :            : 
      73                 :            :         SD_JOURNAL_SYSTEM_ONLY = SD_JOURNAL_SYSTEM /* deprecated name */
      74                 :            : };
      75                 :            : 
      76                 :            : /* Wakeup event types */
      77                 :            : enum {
      78                 :            :         SD_JOURNAL_NOP,
      79                 :            :         SD_JOURNAL_APPEND,
      80                 :            :         SD_JOURNAL_INVALIDATE
      81                 :            : };
      82                 :            : 
      83                 :            : int sd_journal_open(sd_journal **ret, int flags);
      84                 :            : int sd_journal_open_directory(sd_journal **ret, const char *path, int flags);
      85                 :            : int sd_journal_open_directory_fd(sd_journal **ret, int fd, int flags);
      86                 :            : int sd_journal_open_files(sd_journal **ret, const char **paths, int flags);
      87                 :            : int sd_journal_open_files_fd(sd_journal **ret, int fds[], unsigned n_fds, int flags);
      88                 :            : int sd_journal_open_container(sd_journal **ret, const char *machine, int flags); /* deprecated */
      89                 :            : void sd_journal_close(sd_journal *j);
      90                 :            : 
      91                 :            : int sd_journal_previous(sd_journal *j);
      92                 :            : int sd_journal_next(sd_journal *j);
      93                 :            : 
      94                 :            : int sd_journal_previous_skip(sd_journal *j, uint64_t skip);
      95                 :            : int sd_journal_next_skip(sd_journal *j, uint64_t skip);
      96                 :            : 
      97                 :            : int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret);
      98                 :            : int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id128_t *ret_boot_id);
      99                 :            : 
     100                 :            : int sd_journal_set_data_threshold(sd_journal *j, size_t sz);
     101                 :            : int sd_journal_get_data_threshold(sd_journal *j, size_t *sz);
     102                 :            : 
     103                 :            : int sd_journal_get_data(sd_journal *j, const char *field, const void **data, size_t *l);
     104                 :            : int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *l);
     105                 :            : void sd_journal_restart_data(sd_journal *j);
     106                 :            : 
     107                 :            : int sd_journal_add_match(sd_journal *j, const void *data, size_t size);
     108                 :            : int sd_journal_add_disjunction(sd_journal *j);
     109                 :            : int sd_journal_add_conjunction(sd_journal *j);
     110                 :            : void sd_journal_flush_matches(sd_journal *j);
     111                 :            : 
     112                 :            : int sd_journal_seek_head(sd_journal *j);
     113                 :            : int sd_journal_seek_tail(sd_journal *j);
     114                 :            : int sd_journal_seek_monotonic_usec(sd_journal *j, sd_id128_t boot_id, uint64_t usec);
     115                 :            : int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec);
     116                 :            : int sd_journal_seek_cursor(sd_journal *j, const char *cursor);
     117                 :            : 
     118                 :            : int sd_journal_get_cursor(sd_journal *j, char **cursor);
     119                 :            : int sd_journal_test_cursor(sd_journal *j, const char *cursor);
     120                 :            : 
     121                 :            : int sd_journal_get_cutoff_realtime_usec(sd_journal *j, uint64_t *from, uint64_t *to);
     122                 :            : int sd_journal_get_cutoff_monotonic_usec(sd_journal *j, const sd_id128_t boot_id, uint64_t *from, uint64_t *to);
     123                 :            : 
     124                 :            : int sd_journal_get_usage(sd_journal *j, uint64_t *bytes);
     125                 :            : 
     126                 :            : int sd_journal_query_unique(sd_journal *j, const char *field);
     127                 :            : int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l);
     128                 :            : void sd_journal_restart_unique(sd_journal *j);
     129                 :            : 
     130                 :            : int sd_journal_enumerate_fields(sd_journal *j, const char **field);
     131                 :            : void sd_journal_restart_fields(sd_journal *j);
     132                 :            : 
     133                 :            : int sd_journal_get_fd(sd_journal *j);
     134                 :            : int sd_journal_get_events(sd_journal *j);
     135                 :            : int sd_journal_get_timeout(sd_journal *j, uint64_t *timeout_usec);
     136                 :            : int sd_journal_process(sd_journal *j);
     137                 :            : int sd_journal_wait(sd_journal *j, uint64_t timeout_usec);
     138                 :            : int sd_journal_reliable_fd(sd_journal *j);
     139                 :            : 
     140                 :            : int sd_journal_get_catalog(sd_journal *j, char **text);
     141                 :            : int sd_journal_get_catalog_for_message_id(sd_id128_t id, char **text);
     142                 :            : 
     143                 :            : int sd_journal_has_runtime_files(sd_journal *j);
     144                 :            : int sd_journal_has_persistent_files(sd_journal *j);
     145                 :            : 
     146                 :            : /* The inverse condition avoids ambiguity of dangling 'else' after the macro */
     147                 :            : #define SD_JOURNAL_FOREACH(j)                                           \
     148                 :            :         if (sd_journal_seek_head(j) < 0) { }                            \
     149                 :            :         else while (sd_journal_next(j) > 0)
     150                 :            : 
     151                 :            : /* The inverse condition avoids ambiguity of dangling 'else' after the macro */
     152                 :            : #define SD_JOURNAL_FOREACH_BACKWARDS(j)                                 \
     153                 :            :         if (sd_journal_seek_tail(j) < 0) { }                            \
     154                 :            :         else while (sd_journal_previous(j) > 0)
     155                 :            : 
     156                 :            : /* Iterate through the data fields of the current journal entry */
     157                 :            : #define SD_JOURNAL_FOREACH_DATA(j, data, l)                             \
     158                 :            :         for (sd_journal_restart_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; )
     159                 :            : 
     160                 :            : /* Iterate through the all known values of a specific field */
     161                 :            : #define SD_JOURNAL_FOREACH_UNIQUE(j, data, l)                           \
     162                 :            :         for (sd_journal_restart_unique(j); sd_journal_enumerate_unique((j), &(data), &(l)) > 0; )
     163                 :            : 
     164                 :            : /* Iterate through all known field names */
     165                 :            : #define SD_JOURNAL_FOREACH_FIELD(j, field) \
     166                 :            :         for (sd_journal_restart_fields(j); sd_journal_enumerate_fields((j), &(field)) > 0; )
     167                 :            : 
     168         [ +  + ]:       2123 : _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_journal, sd_journal_close);
     169                 :            : 
     170                 :            : _SD_END_DECLARATIONS;
     171                 :            : 
     172                 :            : #endif

Generated by: LCOV version 1.14