jdistribution.h

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/*
 * JULEA - Flexible storage framework
 * Copyright (C) 2010-2024 Michael Kuhn
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef JULEA_DISTRIBUTION_H
#define JULEA_DISTRIBUTION_H
 
#if !defined(JULEA_H) && !defined(JULEA_COMPILATION)
#error "Only <julea.h> can be included directly."
#endif
 
#include <glib.h>
 
#include <bson.h>
 
G_BEGIN_DECLS
 
enum JDistributionType
{
    J_DISTRIBUTION_ROUND_ROBIN,
    J_DISTRIBUTION_SINGLE_SERVER,
    J_DISTRIBUTION_WEIGHTED
};
 
typedef enum JDistributionType JDistributionType;
 
struct JDistribution;
 
typedef struct JDistribution JDistribution;
 
G_END_DECLS
 
#include <core/jconfiguration.h>
 
G_BEGIN_DECLS
 
JDistribution* j_distribution_new(JDistributionType type);
 
JDistribution* j_distribution_new_for_configuration(JDistributionType type, JConfiguration* configuration);
 
JDistribution* j_distribution_new_from_bson(bson_t const* b);
 
JDistribution* j_distribution_ref(JDistribution* distribution);
 
void j_distribution_unref(JDistribution* distribution);
 
G_DEFINE_AUTOPTR_CLEANUP_FUNC(JDistribution, j_distribution_unref)
 
 
bson_t* j_distribution_serialize(JDistribution* distribution);
 
void j_distribution_deserialize(JDistribution* distribution, bson_t const* b);
 
void j_distribution_set_block_size(JDistribution* distribution, guint64 block_size);
 
void j_distribution_set(JDistribution* distribution, gchar const* key, guint64 value);
 
void j_distribution_set2(JDistribution* distribution, gchar const* key, guint64 value1, guint64 value2);
 
void j_distribution_reset(JDistribution* distribution, guint64 length, guint64 offset);
 
gboolean j_distribution_distribute(JDistribution* distribution, guint* index, guint64* new_length, guint64* new_offset, guint64* block_id);
 
G_END_DECLS
 
#endif