service: add options RestartPreventExitStatus and SuccessExitStatus

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

diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h
index 0be39329219fdef2b0a2aca5def7504c8cd02148..a16c8ffc3e6e8262eef82fa56b91888e70cccdab 100644 (file)
--- a/src/journal/journal-file.h
+++ b/src/journal/journal-file.h
@@ -1,7 +1,6 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
-#ifndef foojournalfilehfoo
-#define foojournalfilehfoo
+#pragma once
 
 /***
   This file is part of systemd.
@@ -9,23 +8,28 @@
   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/>.
 ***/
 
 #include <inttypes.h>
 
+#ifdef HAVE_GCRYPT
+#include <gcrypt.h>
+#endif
+
 #include <systemd/sd-id128.h>
 
+#include "sparse-endian.h"
 #include "journal-def.h"
 #include "util.h"
 
@@ -42,6 +46,7 @@ enum {
         WINDOW_DATA_HASH_TABLE = OBJECT_DATA_HASH_TABLE,
         WINDOW_FIELD_HASH_TABLE = OBJECT_FIELD_HASH_TABLE,
         WINDOW_ENTRY_ARRAY = OBJECT_ENTRY_ARRAY,
+        WINDOW_TAG = OBJECT_TAG,
         WINDOW_HEADER,
         _WINDOW_MAX
 };
@@ -58,9 +63,13 @@ typedef struct JournalFile {
         char *path;
         struct stat last_stat;
         mode_t mode;
+
         int flags;
         int prot;
         bool writable;
+        bool compress;
+        bool authenticate;
+
         bool tail_entry_monotonic_valid;
 
         Header *header;
@@ -73,11 +82,17 @@ typedef struct JournalFile {
 
         JournalMetrics metrics;
 
-        bool compress;
-
 #ifdef HAVE_XZ
         void *compress_buffer;
-        size_t compress_buffer_size;
+        uint64_t compress_buffer_size;
+#endif
+
+#ifdef HAVE_GCRYPT
+        gcry_md_hd_t hmac;
+        bool hmac_running;
+
+        FSPRGHeader *fsprg_header;
+        size_t fsprg_size;
 #endif
 } JournalFile;
 
@@ -86,9 +101,28 @@ typedef enum direction {
         DIRECTION_DOWN
 } direction_t;
 
-int journal_file_open(const char *fname, int flags, mode_t mode, JournalFile *template, JournalFile **ret);
+int journal_file_open(
+                const char *fname,
+                int flags,
+                mode_t mode,
+                bool compress,
+                bool authenticate,
+                JournalMetrics *metrics,
+                JournalFile *template,
+                JournalFile **ret);
+
 void journal_file_close(JournalFile *j);
 
+int journal_file_open_reliably(
+                const char *fname,
+                int flags,
+                mode_t mode,
+                bool compress,
+                bool authenticate,
+                JournalMetrics *metrics,
+                JournalFile *template,
+                JournalFile **ret);
+
 int journal_file_move_to_object(JournalFile *f, int type, uint64_t offset, Object **ret);
 
 uint64_t journal_file_entry_n_items(Object *o);
@@ -103,18 +137,22 @@ int journal_file_skip_entry(JournalFile *f, Object *o, uint64_t p, int64_t skip,
 
 int journal_file_next_entry_for_data(JournalFile *f, Object *o, uint64_t p, uint64_t data_offset, direction_t direction, Object **ret, uint64_t *offset);
 
+int journal_file_move_to_entry_by_offset(JournalFile *f, uint64_t seqnum, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_seqnum(JournalFile *f, uint64_t seqnum, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_realtime(JournalFile *f, uint64_t realtime, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_monotonic(JournalFile *f, sd_id128_t boot_id, uint64_t monotonic, direction_t direction, Object **ret, uint64_t *offset);
 
+int journal_file_move_to_entry_by_offset_for_data(JournalFile *f, uint64_t data_offset, uint64_t p, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_seqnum_for_data(JournalFile *f, uint64_t data_offset, uint64_t seqnum, direction_t direction, Object **ret, uint64_t *offset);
 int journal_file_move_to_entry_by_realtime_for_data(JournalFile *f, uint64_t data_offset, uint64_t realtime, direction_t direction, Object **ret, uint64_t *offset);
+int journal_file_move_to_entry_by_monotonic_for_data(JournalFile *f, uint64_t data_offset, sd_id128_t boot_id, uint64_t monotonic, direction_t direction, Object **ret, uint64_t *offset);
 
 int journal_file_copy_entry(JournalFile *from, JournalFile *to, Object *o, uint64_t p, uint64_t *seqnum, Object **ret, uint64_t *offset);
 
 void journal_file_dump(JournalFile *f);
+void journal_file_print_header(JournalFile *f);
 
-int journal_file_rotate(JournalFile **f);
+int journal_file_rotate(JournalFile **f, bool compress, bool authenticate);
 
 int journal_directory_vacuum(const char *directory, uint64_t max_use, uint64_t min_free);
 
@@ -122,4 +160,9 @@ void journal_file_post_change(JournalFile *f);
 
 void journal_default_metrics(JournalMetrics *m, int fd);
 
-#endif
+int journal_file_get_cutoff_realtime_usec(JournalFile *f, usec_t *from, usec_t *to);
+int journal_file_get_cutoff_monotonic_usec(JournalFile *f, sd_id128_t boot, usec_t *from, usec_t *to);
+
+bool journal_file_rotate_suggested(JournalFile *f);
+
+int journal_file_append_tag(JournalFile *f);