X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fsd-journal.h;h=87da17ddc6d14ff066f5ce316170a2a9f6a4b068;hb=f4fb21c1515ca882514620b2dee31ef4246be565;hp=bf6673453dbe31f9656c5c7c507b66abdf912f4a;hpb=8725d60ae4f7a8471aa8a0207fa105e335d069a6;p=elogind.git diff --git a/src/journal/sd-journal.h b/src/journal/sd-journal.h index bf6673453..87da17ddc 100644 --- a/src/journal/sd-journal.h +++ b/src/journal/sd-journal.h @@ -24,82 +24,101 @@ #include #include +#include +#include + +#include "sd-id128.h" /* TODO: + * + * - add options for copy-to-console, copy-to-kmsg + * - OR of matches is borked... + * - extend hash tables table as we go + * - accelerate looking for "all hostnames" and suchlike. + * - handle incomplete header + * + * - local deserializer + * - http server + * - message catalog * * - check LE/BE conversion for 8bit, 16bit, 32bit values - * - implement parallel traversal - * - implement inotify usage on client + * - cryptographic hash + * - think about manipulations of header * - implement audit gateway - * - implement native gateway - * - implement stdout gateway - * - extend hash table/bisect table as we go - * - accelerate looking for "all hostnames" and suchlike. - * - throttling - * - enforce limit on open journal files in journald and journalctl */ +/* Write to daemon */ + +int sd_journal_print(int piority, 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_stream_fd(const char *tag, int priority, int priority_prefix); + +/* Browse journal stream */ + typedef struct sd_journal sd_journal; -int sd_journal_open(sd_journal **ret); +enum { + SD_JOURNAL_LOCAL_ONLY = 1, + SD_JOURNAL_RUNTIME_ONLY = 2, + SD_JOURNAL_SYSTEM_ONLY = 4 +}; + +int sd_journal_open(sd_journal **ret, int flags); void sd_journal_close(sd_journal *j); int sd_journal_previous(sd_journal *j); int sd_journal_next(sd_journal *j); +int sd_journal_previous_skip(sd_journal *j, uint64_t skip); +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); +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_start_data(sd_journal *j); +void sd_journal_restart_data(sd_journal *j); int sd_journal_add_match(sd_journal *j, const void *data, size_t size); void sd_journal_flush_matches(sd_journal *j); int sd_journal_seek_head(sd_journal *j); int sd_journal_seek_tail(sd_journal *j); - -int sd_journal_seek_monotonic_usec(sd_journal *j, uint64_t usec); /* missing */ -int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec); /* missing */ +int sd_journal_seek_monotonic_usec(sd_journal *j, sd_id128_t boot_id, uint64_t usec); +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_set_cursor(sd_journal *j, const char *cursor); /* missing */ -int sd_journal_unique_seek(sd_journal *j, const char *field); /* missing */ -int sd_journal_unique_enumerate(sd_journal *j, const void **data, size_t *l); /* missing */ - -int sd_journal_get_fd(sd_journal *j); /* missing */ +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 */ enum { SD_JOURNAL_NOP, SD_JOURNAL_APPEND, - SD_JOURNAL_DROP + SD_JOURNAL_INVALIDATE_ADD, + SD_JOURNAL_INVALIDATE_REMOVE }; +int sd_journal_get_fd(sd_journal *j); int sd_journal_process(sd_journal *j); -#define SD_JOURNAL_FOREACH_BEGIN(j) \ - if (sd_journal_seek_head(j) > 0) do { - -#define SD_JOURNAL_FOREACH_END(j) \ - } while (sd_journal_next(j) > 0) - -#define SD_JOURNAL_FOREACH_CONTINUE(j) \ - do { - -#define SD_JOURNAL_FOREACH_BACKWARDS_BEGIN(j) \ - if (sd_journal_seek_tail(j) > 0) do { - -#define SD_JOURNAL_FOREACH_BACKWARDS_END(j) \ - } while (sd_journal_previous(j) > 0) +#define SD_JOURNAL_FOREACH(j) \ + if (sd_journal_seek_head(j) >= 0) \ + while (sd_journal_next(j) > 0) -#define SD_JOURNAL_FOREACH_BACKWARDS_CONTINUE(j) \ - do { +#define SD_JOURNAL_FOREACH_BACKWARDS(j) \ + if (sd_journal_seek_tail(j) >= 0) \ + while (sd_journal_previous(j) > 0) #define SD_JOURNAL_FOREACH_DATA(j, data, l) \ - for (sd_journal_start_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) + for (sd_journal_restart_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) -#define SD_JOURNAL_FOREACH_UNIQUE(j, data, l) \ - while (sd_journal_enumerate_unique_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; ) #endif