journalctl: hightlight log lines by priority

[thirdparty/systemd.git] / src / shared / logs-show.h

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

#pragma once

/***
  This file is part of systemd.

  Copyright 2012 Lennart Poettering

  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/>.
***/

#include <stdbool.h>

#include <systemd/sd-journal.h>

#include "util.h"

typedef enum OutputMode {
        OUTPUT_SHORT,
        OUTPUT_SHORT_MONOTONIC,
        OUTPUT_VERBOSE,
        OUTPUT_EXPORT,
        OUTPUT_JSON,
        OUTPUT_CAT,
        _OUTPUT_MODE_MAX,
        _OUTPUT_MODE_INVALID = -1
} OutputMode;

typedef enum OutputFlags {
        OUTPUT_SHOW_ALL       = 1 << 0,
        OUTPUT_MONOTONIC_MODE = 1 << 1,
        OUTPUT_FOLLOW         = 1 << 2,
        OUTPUT_WARN_CUTOFF    = 1 << 3,
        OUTPUT_FULL_WIDTH     = 1 << 4,
        OUTPUT_COLOR          = 1 << 5
} OutputFlags;

int output_journal(sd_journal *j, OutputMode mode, unsigned line,
                   unsigned n_columns, OutputFlags flags);

int show_journal_by_unit(
                const char *unit,
                OutputMode mode,
                unsigned n_columns,
                usec_t not_before,
                unsigned how_many,
                OutputFlags flags);

const char* output_mode_to_string(OutputMode m);
OutputMode output_mode_from_string(const char *s);