journal-remote-parse.h revision be7e1319ead3911357043f06464713323261370f
/*-*- 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 "sd-event.h"
#include "journal-remote-write.h"
typedef enum {
STATE_LINE = 0, /* waiting to read, or reading line */
STATE_DATA_START, /* reading binary data header */
STATE_DATA, /* reading binary data */
STATE_DATA_FINISH, /* expecting newline */
STATE_EOF, /* done */
} source_state;
typedef struct RemoteSource {
char *name;
int fd;
bool passive_fd;
char *buf;
size_t size; /* total size of the buffer */
size_t offset; /* offset to the beginning of live data in the buffer */
size_t scanned; /* number of bytes since the beginning of data without a newline */
size_t filled; /* total number of bytes in the buffer */
size_t field_len; /* used for binary fields: the field name length */
size_t data_size; /* and the size of the binary data chunk being processed */
struct iovec_wrapper iovw;
source_state state;
dual_timestamp ts;
Writer *writer;
sd_event_source *event;
sd_event_source *buffer_event;
} RemoteSource;
RemoteSource* source_new(int fd, bool passive_fd, char *name, Writer *writer);
static inline size_t source_non_empty(RemoteSource *source) {
assert(source);
return source->filled;
}
void source_free(RemoteSource *source);
int push_data(RemoteSource *source, const char *data, size_t size);
int process_source(RemoteSource *source, bool compress, bool seal);