journalctl: fix verbose output when no logs are found

[elogind.git] / src / journal / journal-internal.h

diff --git a/src/journal/journal-internal.h b/src/journal/journal-internal.h
index e5914bfb6399c1a090efb923d4a22601fc8b4af8..f576a0073d905b18b0d596f919bd630bcb15bfdb 100644 (file)
--- 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 <http://www.gnu.org/licenses/>.
 ***/
 
@@ -28,57 +27,118 @@
 
 #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;
-        uint64_t le_hash;
+        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;
+
         Hashmap *files;
+        MMapCache *mmap;
 
         Location current_location;
+
         JournalFile *current_file;
         uint64_t current_field;
 
+        Hashmap *directories_by_path;
+        Hashmap *directories_by_wd;
+
         int inotify_fd;
-        Hashmap *inotify_wd_dirs;
-        Hashmap *inotify_wd_roots;
 
-        LIST_HEAD(Match, matches);
-        unsigned n_matches;
+        Match *level0, *level1, *level2;
+
+        unsigned current_invalidate_counter, last_invalidate_counter;
+
+        char *unique_field;
+        JournalFile *unique_file;
+        uint64_t unique_offset;
+
+        bool on_network;
+
+        size_t data_threshold;
+
+        Set *errors;
+
+        usec_t last_process_usec;
 };
 
-#endif
+char *journal_make_match_string(sd_journal *j);
+void journal_print_header(sd_journal *j);
+
+static inline void journal_closep(sd_journal **j) {
+        sd_journal_close(*j);
+}
+
+#define _cleanup_journal_close_ _cleanup_(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; )