journal-remote-write.h revision 8201af08fa09c2bd0f005fbe262f27e2c5bd2d86
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2014 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#pragma once
#include <stdlib.h>
#include "journal-file.h"
struct iovec_wrapper {
struct iovec *iovec;
size_t size_bytes;
size_t count;
};
int iovw_put(struct iovec_wrapper *iovw, void* data, size_t len);
void iovw_free_contents(struct iovec_wrapper *iovw);
size_t iovw_size(struct iovec_wrapper *iovw);
typedef struct Writer {
JournalFile *journal;
JournalMetrics metrics;
MMapCache *mmap;
uint64_t seqnum;
} Writer;
int writer_init(Writer *s);
int writer_close(Writer *s);
int writer_write(Writer *s,
struct iovec_wrapper *iovw,
dual_timestamp *ts,
bool compress,
bool seal);
typedef enum JournalWriteSplitMode {
JOURNAL_WRITE_SPLIT_NONE,
JOURNAL_WRITE_SPLIT_HOST,
_JOURNAL_WRITE_SPLIT_MAX,
_JOURNAL_WRITE_SPLIT_INVALID = -1
} JournalWriteSplitMode;