journal: allow setting of a cutoff log level for disk storage, syslog, kmsg, console...

[elogind.git] / src / journal / sd-journal.c

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 86ac267de406550074dd5065269586f19ea86dfc..9f46f5c6aa4d85e3fa3f02ec2e7cc6a0b28455cb 100644 (file)
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -6,16 +6,16 @@
   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/>.
 ***/
 
@@ -30,6 +30,7 @@
 #include "journal-file.h"
 #include "hashmap.h"
 #include "list.h"
+#include "path-util.h"
 #include "lookup3.h"
 #include "compress.h"
 #include "journal-internal.h"
@@ -108,14 +109,23 @@ static int same_field(const void *_a, size_t s, const void *_b, size_t t) {
 
 _public_ int sd_journal_add_match(sd_journal *j, const void *data, size_t size) {
         Match *m, *after = NULL;
-        uint64_t le_hash;
+        le64_t le_hash;
 
         if (!j)
                 return -EINVAL;
         if (!data)
                 return -EINVAL;
-        if (size <= 0)
+        if (size <= 1)
                 return -EINVAL;
+        if (!memchr(data, '=', size))
+                return -EINVAL;
+        if (*(char*) data == '=')
+                return -EINVAL;
+
+        /* FIXME: iterating with multiple matches is currently
+         * broken */
+        if (j->matches)
+                return -ENOTSUP;
 
         le_hash = htole64(hash64(data, size));
 
@@ -325,9 +335,17 @@ static int find_location(sd_journal *j, JournalFile *f, direction_t direction, O
                 else if (j->current_location.seqnum_set &&
                          sd_id128_equal(j->current_location.seqnum_id, f->header->seqnum_id))
                         r = journal_file_move_to_entry_by_seqnum(f, j->current_location.seqnum, direction, &o, &p);
-                else if (j->current_location.monotonic_set)
+                else if (j->current_location.monotonic_set) {
                         r = journal_file_move_to_entry_by_monotonic(f, j->current_location.boot_id, j->current_location.monotonic, direction, &o, &p);
-                else if (j->current_location.realtime_set)
+
+                        if (r == -ENOENT) {
+                                /* boot id unknown in this file */
+                                if (j->current_location.realtime_set)
+                                        r = journal_file_move_to_entry_by_realtime(f, j->current_location.realtime, direction, &o, &p);
+                                else
+                                        r = journal_file_next_entry(f, NULL, 0, direction, &o, &p);
+                        }
+                } else if (j->current_location.realtime_set)
                         r = journal_file_move_to_entry_by_realtime(f, j->current_location.realtime, direction, &o, &p);
                 else
                         r = journal_file_next_entry(f, NULL, 0, direction, &o, &p);
@@ -356,7 +374,7 @@ static int find_location(sd_journal *j, JournalFile *f, direction_t direction, O
                         Object *c, *d;
                         uint64_t cp, dp;
 
-                        r = journal_file_find_data_object_with_hash(f, m->data, m->size, m->le_hash, &d, &dp);
+                        r = journal_file_find_data_object_with_hash(f, m->data, m->size, le64toh(m->le_hash), &d, &dp);
                         if (r <= 0)
                                 return r;
 
@@ -757,7 +775,7 @@ _public_ int sd_journal_get_cursor(sd_journal *j, char **cursor) {
                      bid, (unsigned long long) le64toh(o->entry.monotonic),
                      (unsigned long long) le64toh(o->entry.realtime),
                      (unsigned long long) le64toh(o->entry.xor_hash),
-                     file_name_from_path(j->current_file->path)) < 0)
+                     path_get_file_name(j->current_file->path)) < 0)
                 return -ENOMEM;
 
         return 1;
@@ -1349,7 +1367,8 @@ _public_ int sd_journal_get_data(sd_journal *j, const char *field, const void **
 
         n = journal_file_entry_n_items(o);
         for (i = 0; i < n; i++) {
-                uint64_t p, l, le_hash;
+                uint64_t p, l;
+                le64_t le_hash;
                 size_t t;
 
                 p = le64toh(o->entry.items[i].object_offset);
@@ -1410,7 +1429,8 @@ _public_ int sd_journal_get_data(sd_journal *j, const char *field, const void **
 
 _public_ int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *size) {
         JournalFile *f;
-        uint64_t p, l, n, le_hash;
+        uint64_t p, l, n;
+        le64_t le_hash;
         int r;
         Object *o;
         size_t t;