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CONC-575: Support for MySQL zstd compression

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ZSTD compression is now supported for connections
to a MySQL Server 8.0.

Compression algorithms are supported via compression
plugins, which can be found in plugins/compress.
This commit is contained in:
Georg Richter
2022-01-25 05:02:33 +01:00
parent b5c1a23c82
commit 770cf2286a
222 changed files with 86766 additions and 71 deletions
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18
include/mysql/client_plugin.h
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@@ -1,5 +1,5 @@
/* Copyright (C) 2010 - 2012 Sergei Golubchik and Monty Program Ab
2014 MariaDB Corporation AB
2014, 2022 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
@@ -51,13 +51,15 @@
#define MARIADB_CLIENT_PVIO_PLUGIN 101
#define MARIADB_CLIENT_TRACE_PLUGIN 102
#define MARIADB_CLIENT_CONNECTION_PLUGIN 103
#define MARIADB_CLIENT_COMPRESSION_PLUGIN 104
#define MARIADB_CLIENT_REMOTEIO_PLUGIN_INTERFACE_VERSION 0x0100
#define MARIADB_CLIENT_PVIO_PLUGIN_INTERFACE_VERSION 0x0100
#define MARIADB_CLIENT_TRACE_PLUGIN_INTERFACE_VERSION 0x0100
#define MARIADB_CLIENT_CONNECTION_PLUGIN_INTERFACE_VERSION 0x0100
#define MARIADB_CLIENT_COMPRESSION_PLUGIN_INTERFACE_VERSION 0x0100
#define MARIADB_CLIENT_MAX_PLUGINS 4
#define MARIADB_CLIENT_MAX_PLUGINS 5
#define mysql_declare_client_plugin(X) \
struct st_mysql_client_plugin_ ## X \
@@ -80,6 +82,7 @@
int (*init)(char *, size_t, int, va_list); \
int (*deinit)(void); \
int (*options)(const char *option, const void *);
struct st_mysql_client_plugin
{
MYSQL_CLIENT_PLUGIN_HEADER
@@ -133,6 +136,17 @@ struct st_mysql_client_plugin_TRACE
MYSQL_CLIENT_PLUGIN_HEADER
};
#include <ma_compress.h>
typedef struct st_mariadb_client_plugin_COMPRESS
{
MYSQL_CLIENT_PLUGIN_HEADER;
ma_compress_ctx *(*init_ctx)(int compression_level);
void (*free_ctx)(ma_compress_ctx *ctx);
my_bool (*compress)(ma_compress_ctx *ctx, void *dst, size_t *dst_len, void *source, size_t source_len);
my_bool (*decompress)(ma_compress_ctx *ctx, void *dst, size_t *dst_len, void *source, size_t *source_len);
} MARIADB_COMPRESSION_PLUGIN;
/**
type of the mysql_authentication_dialog_ask function