X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fjournal%2Fjournal-internal.h;h=70847db0bfd25e74cd4e3b94d71fef8a52886f21;hp=17f1d317c71b13ff6cbcdf0a658556045859aa88;hb=c1f906bd91c388fd84a006a56e1e6692e23f8ae3;hpb=4fd052aede13eb3041277c54ac2f5dee6e6c29cf diff --git a/src/journal/journal-internal.h b/src/journal/journal-internal.h index 17f1d317c..70847db0b 100644 --- a/src/journal/journal-internal.h +++ b/src/journal/journal-internal.h @@ -1,7 +1,6 @@ /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ -#ifndef foojournalinternalhfoo -#define foojournalinternalhfoo +#pragma once /*** This file is part of systemd. @@ -9,16 +8,16 @@ 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 . ***/ @@ -26,59 +25,123 @@ #include #include -#include +#include "systemd/sd-id128.h" +#include "journal-def.h" #include "list.h" +#include "hashmap.h" +#include "set.h" +#include "journal-file.h" typedef struct Match Match; +typedef struct Location Location; +typedef struct Directory Directory; + +typedef enum MatchType { + MATCH_DISCRETE, + MATCH_OR_TERM, + MATCH_AND_TERM +} MatchType; struct Match { + MatchType type; + Match *parent; + LIST_FIELDS(Match, matches); + + /* For concrete matches */ char *data; size_t size; le64_t le_hash; - LIST_FIELDS(Match, matches); + /* For terms */ + LIST_HEAD(Match, matches); }; -typedef enum location_type { +typedef enum LocationType { + /* The first and last entries, resp. */ LOCATION_HEAD, LOCATION_TAIL, - LOCATION_DISCRETE -} location_type_t; -typedef struct Location { - location_type_t type; + /* We already read the entry we currently point to, and the + * next one to read should probably not be this one again. */ + LOCATION_DISCRETE, + + /* We should seek to the precise location specified, and + * return it, as we haven't read it yet. */ + LOCATION_SEEK +} LocationType; + +struct Location { + LocationType type; + + bool seqnum_set; + bool realtime_set; + bool monotonic_set; + bool xor_hash_set; uint64_t seqnum; sd_id128_t seqnum_id; - bool seqnum_set; uint64_t realtime; - bool realtime_set; uint64_t monotonic; sd_id128_t boot_id; - bool monotonic_set; uint64_t xor_hash; - bool xor_hash_set; -} Location; +}; + +struct Directory { + char *path; + int wd; + bool is_root; +}; struct sd_journal { - int flags; + char *path; + char *prefix; - Hashmap *files; + OrderedHashmap *files; + MMapCache *mmap; Location current_location; + JournalFile *current_file; uint64_t current_field; + Match *level0, *level1, *level2; + + pid_t original_pid; + int inotify_fd; - Hashmap *inotify_wd_dirs; - Hashmap *inotify_wd_roots; + unsigned current_invalidate_counter, last_invalidate_counter; + usec_t last_process_usec; - LIST_HEAD(Match, matches); - unsigned n_matches; + char *unique_field; + JournalFile *unique_file; + uint64_t unique_offset; + + int flags; + + bool on_network; + bool no_new_files; + bool unique_file_lost; /* File we were iterating over got + removed, and there were no more + files, so sd_j_enumerate_unique + will return a value equal to 0. */ + + size_t data_threshold; + + Hashmap *directories_by_path; + Hashmap *directories_by_wd; + + Set *errors; }; -#endif +char *journal_make_match_string(sd_journal *j); +void journal_print_header(sd_journal *j); + +DEFINE_TRIVIAL_CLEANUP_FUNC(sd_journal*, sd_journal_close); +#define _cleanup_journal_close_ _cleanup_(sd_journal_closep) + +#define JOURNAL_FOREACH_DATA_RETVAL(j, data, l, retval) \ + for (sd_journal_restart_data(j); ((retval) = sd_journal_enumerate_data((j), &(data), &(l))) > 0; )