journal: by default do not decompress dat objects larger than 64K

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

diff --git a/src/journal/journal-internal.h b/src/journal/journal-internal.h
index 929dfcdcb8fc09af2b521c1110af358b89ea71a5..97de0e75ffba2356f8d5cfe339fd8cb8aa9239b5 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.
@@ -28,28 +27,51 @@
 
 #include <systemd/sd-id128.h>
 
+#include "journal-def.h"
 #include "list.h"
+#include "hashmap.h"
+#include "journal-file.h"
 
 typedef struct Match Match;
 typedef struct Location Location;
 typedef struct Directory Directory;
 
-typedef enum location_type {
-        LOCATION_HEAD,
-        LOCATION_TAIL,
-        LOCATION_DISCRETE
-} location_type_t;
+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 LocationType {
+        /* The first and last entries, resp. */
+        LOCATION_HEAD,
+        LOCATION_TAIL,
+
+        /* 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 {
-        location_type_t type;
+        LocationType type;
 
         uint64_t seqnum;
         sd_id128_t seqnum_id;
@@ -75,9 +97,13 @@ struct Directory {
 struct sd_journal {
         int flags;
 
+        char *path;
+
         Hashmap *files;
+        MMapCache *mmap;
 
         Location current_location;
+
         JournalFile *current_file;
         uint64_t current_field;
 
@@ -86,10 +112,18 @@ struct sd_journal {
 
         int inotify_fd;
 
-        LIST_HEAD(Match, matches);
-        unsigned n_matches;
+        Match *level0, *level1;
 
         unsigned current_invalidate_counter, last_invalidate_counter;
+
+        char *unique_field;
+        JournalFile *unique_file;
+        uint64_t unique_offset;
+
+        bool on_network;
+
+        size_t data_threshold;
 };
 
-#endif
+char *journal_make_match_string(sd_journal *j);
+void journal_print_header(sd_journal *j);