X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemd%2Fsd-journal.h;h=f9919b29f1f3ab35cc090348f487fdb131192841;hp=ebc63b7640302c41c3a803add67f7bf52c68b820;hb=d4205751d4643c272059a3728045929dd0e5e800;hpb=731a676c206bb1b48e7f736ce9f5b730252d1601 diff --git a/src/systemd/sd-journal.h b/src/systemd/sd-journal.h index ebc63b764..f9919b29f 100644 --- a/src/systemd/sd-journal.h +++ b/src/systemd/sd-journal.h @@ -9,16 +9,16 @@ Copyright 2011 Lennart Poettering systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ @@ -26,36 +26,43 @@ #include #include #include +#include #include -/* TODO: - * - * - OR of matches is borked... - * - extend hash tables table as we go - * - accelerate looking for "all hostnames" and suchlike. - * - handle incomplete header - * - * - kann NTP nicht finden? - * - * - local deserializer - * - http server - * - message catalog - * - * - check LE/BE conversion for 8bit, 16bit, 32bit values - * - cryptographic hash - * - think about manipulations of header - * - implement audit gateway - * - implement kernel gatway - */ +#ifdef __cplusplus +extern "C" { +#endif -/* Write to daemon */ +/* Journal APIs. See sd-journal(3) for more information. */ -int sd_journal_print(int piority, const char *format, ...) __attribute__ ((format (printf, 2, 3))); +/* Write to daemon */ +int sd_journal_print(int priority, const char *format, ...) __attribute__ ((format (printf, 2, 3))); int sd_journal_printv(int priority, const char *format, va_list ap); - int sd_journal_send(const char *format, ...) __attribute__((sentinel)); int sd_journal_sendv(const struct iovec *iov, int n); +int sd_journal_perror(const char *message); + +/* Used by the macros below. Don't call this directly. */ +int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) __attribute__ ((format (printf, 5, 6))); +int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap); +int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) __attribute__((sentinel)); +int sd_journal_sendv_with_location(const char *file, const char *line, const char *func, const struct iovec *iov, int n); +int sd_journal_perror_with_location(const char *file, const char *line, const char *func, const char *message); + +/* implicitly add code location to messages sent, if this is enabled */ +#ifndef SD_JOURNAL_SUPPRESS_LOCATION + +#define _sd_XSTRINGIFY(x) #x +#define _sd_STRINGIFY(x) _sd_XSTRINGIFY(x) + +#define sd_journal_print(priority, ...) sd_journal_print_with_location(priority, "CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, __VA_ARGS__) +#define sd_journal_printv(priority, format, ap) sd_journal_printv_with_location(priority, "CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, format, ap) +#define sd_journal_send(...) sd_journal_send_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, __VA_ARGS__) +#define sd_journal_sendv(iovec, n) sd_journal_sendv_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, iovec, n) +#define sd_journal_perror(message) sd_journal_perror_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, message) + +#endif int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix); @@ -63,13 +70,22 @@ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) typedef struct sd_journal sd_journal; +/* Open flags */ enum { SD_JOURNAL_LOCAL_ONLY = 1, SD_JOURNAL_RUNTIME_ONLY = 2, SD_JOURNAL_SYSTEM_ONLY = 4 }; +/* Wakeup event types */ +enum { + SD_JOURNAL_NOP, + SD_JOURNAL_APPEND, + SD_JOURNAL_INVALIDATE +}; + int sd_journal_open(sd_journal **ret, int flags); +int sd_journal_open_directory(sd_journal **ret, const char *path, int flags); void sd_journal_close(sd_journal *j); int sd_journal_previous(sd_journal *j); @@ -80,11 +96,13 @@ int sd_journal_next_skip(sd_journal *j, uint64_t skip); int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret); int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id128_t *ret_boot_id); + int sd_journal_get_data(sd_journal *j, const char *field, const void **data, size_t *l); int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *l); void sd_journal_restart_data(sd_journal *j); int sd_journal_add_match(sd_journal *j, const void *data, size_t size); +int sd_journal_add_disjunction(sd_journal *j); void sd_journal_flush_matches(sd_journal *j); int sd_journal_seek_head(sd_journal *j); @@ -94,20 +112,23 @@ int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec); int sd_journal_seek_cursor(sd_journal *j, const char *cursor); int sd_journal_get_cursor(sd_journal *j, char **cursor); +int sd_journal_test_cursor(sd_journal *j, const char *cursor); -int sd_journal_query_unique(sd_journal *j, const char *field); /* missing */ -int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); /* missing */ -void sd_journal_restart_unique(sd_journal *j); /* missing */ +int sd_journal_get_cutoff_realtime_usec(sd_journal *j, uint64_t *from, uint64_t *to); +int sd_journal_get_cutoff_monotonic_usec(sd_journal *j, const sd_id128_t boot_id, uint64_t *from, uint64_t *to); -enum { - SD_JOURNAL_NOP, - SD_JOURNAL_APPEND, - SD_JOURNAL_INVALIDATE_ADD, - SD_JOURNAL_INVALIDATE_REMOVE -}; +int sd_journal_get_usage(sd_journal *j, uint64_t *bytes); + +int sd_journal_query_unique(sd_journal *j, const char *field); +int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); +void sd_journal_restart_unique(sd_journal *j); int sd_journal_get_fd(sd_journal *j); +int sd_journal_reliable_fd(sd_journal *j); int sd_journal_process(sd_journal *j); +int sd_journal_wait(sd_journal *j, uint64_t timeout_usec); + +int sd_journal_get_catalog(sd_journal *j, char **text); #define SD_JOURNAL_FOREACH(j) \ if (sd_journal_seek_head(j) >= 0) \ @@ -121,6 +142,10 @@ int sd_journal_process(sd_journal *j); for (sd_journal_restart_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) #define SD_JOURNAL_FOREACH_UNIQUE(j, data, l) \ - for (sd_journal_restart_unique(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) + for (sd_journal_restart_unique(j); sd_journal_enumerate_unique((j), &(data), &(l)) > 0; ) + +#ifdef __cplusplus +} +#endif #endif