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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Zbigniew Jędrzejewski-Szmek | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #pragma once | |
23 | ||
24 | #include <stdlib.h> | |
25 | ||
26 | #include "journal-file.h" | |
27 | ||
28 | struct iovec_wrapper { | |
29 | struct iovec *iovec; | |
30 | size_t size_bytes; | |
31 | size_t count; | |
32 | }; | |
33 | ||
34 | int iovw_put(struct iovec_wrapper *iovw, void* data, size_t len); | |
35 | void iovw_free_contents(struct iovec_wrapper *iovw); | |
36 | size_t iovw_size(struct iovec_wrapper *iovw); | |
37 | ||
38 | typedef struct Writer { | |
39 | JournalFile *journal; | |
40 | JournalMetrics metrics; | |
41 | MMapCache *mmap; | |
42 | uint64_t seqnum; | |
43 | } Writer; | |
44 | ||
45 | int writer_init(Writer *s); | |
46 | int writer_close(Writer *s); | |
47 | int writer_write(Writer *s, | |
48 | struct iovec_wrapper *iovw, | |
49 | dual_timestamp *ts, | |
50 | bool compress, | |
51 | bool seal); |