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authorKenpachi2k13 <3476227+Kenpachi2k13@users.noreply.github.com>2020-05-03 09:14:56 +0200
committerGitHub <noreply@github.com>2020-05-03 09:14:56 +0200
commitcd593de68b02d77766fcb3b7b2a869096ceb7183 (patch)
tree2245738ce70d50031b927fed560815458658c7c2 /3rdparty/mariadb/include/client_plugin.h
parentf70a887b188dbd88c45c9992cd18a33b6886005f (diff)
parentf40cc839413cc82aed445d39cc3aa204dce87780 (diff)
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Merge branch 'master' into cell_noskill
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+/* Copyright (C) 2010 - 2012 Sergei Golubchik and Monty Program Ab
+ 2014 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
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not see <http://www.gnu.org/licenses>
+ or write to the Free Software Foundation, Inc.,
+ 51 Franklin St., Fifth Floor, Boston, MA 02110, USA */
+
+/**
+ @file
+
+ MySQL Client Plugin API
+
+ This file defines the API for plugins that work on the client side
+*/
+#ifndef MYSQL_CLIENT_PLUGIN_INCLUDED
+#define MYSQL_CLIENT_PLUGIN_INCLUDED
+
+#ifndef MYSQL_ABI_CHECK
+#include <stdarg.h>
+#include <stdlib.h>
+#endif
+
+
+#ifndef PLUGINDIR
+#define PLUGINDIR "lib/plugin"
+#endif
+
+#define plugin_declarations_sym "_mysql_client_plugin_declaration_"
+
+/* known plugin types */
+#define MYSQL_CLIENT_PLUGIN_RESERVED 0
+#define MYSQL_CLIENT_PLUGIN_RESERVED2 1
+#define MYSQL_CLIENT_AUTHENTICATION_PLUGIN 2 /* authentication */
+
+#define MYSQL_CLIENT_AUTHENTICATION_PLUGIN_INTERFACE_VERSION 0x0100
+#define MYSQL_CLIENT_MAX_PLUGINS 3
+
+/* Connector/C specific plugin types */
+#define MARIADB_CLIENT_REMOTEIO_PLUGIN 100 /* communication IO */
+#define MARIADB_CLIENT_PVIO_PLUGIN 101
+#define MARIADB_CLIENT_TRACE_PLUGIN 102
+#define MARIADB_CLIENT_CONNECTION_PLUGIN 103
+
+#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_MAX_PLUGINS 4
+
+#define mysql_declare_client_plugin(X) \
+ struct st_mysql_client_plugin_ ## X \
+ _mysql_client_plugin_declaration_ = { \
+ MYSQL_CLIENT_ ## X ## _PLUGIN, \
+ MYSQL_CLIENT_ ## X ## _PLUGIN_INTERFACE_VERSION,
+#define mysql_end_client_plugin }
+
+/* generic plugin header structure */
+#ifndef MYSQL_CLIENT_PLUGIN_HEADER
+#define MYSQL_CLIENT_PLUGIN_HEADER \
+ int type; \
+ unsigned int interface_version; \
+ const char *name; \
+ const char *author; \
+ const char *desc; \
+ unsigned int version[3]; \
+ const char *license; \
+ void *mysql_api; \
+ int (*init)(char *, size_t, int, va_list); \
+ int (*deinit)(); \
+ int (*options)(const char *option, const void *);
+struct st_mysql_client_plugin
+{
+ MYSQL_CLIENT_PLUGIN_HEADER
+};
+#endif
+
+struct st_mysql;
+
+/********* connection handler plugin specific declarations **********/
+
+typedef struct st_ma_connection_plugin
+{
+ MYSQL_CLIENT_PLUGIN_HEADER
+ /* functions */
+ MYSQL *(*connect)(MYSQL *mysql, const char *host,
+ const char *user, const char *passwd,
+ const char *db, unsigned int port,
+ const char *unix_socket, unsigned long clientflag);
+ void (*close)(MYSQL *mysql);
+ int (*set_optionsv)(MYSQL *mysql, unsigned int option, ...);
+ int (*set_connection)(MYSQL *mysql,enum enum_server_command command,
+ const char *arg,
+ size_t length, my_bool skipp_check, void *opt_arg);
+ my_bool (*reconnect)(MYSQL *mysql);
+ int (*reset)(MYSQL *mysql);
+} MARIADB_CONNECTION_PLUGIN;
+
+#define MARIADB_DB_DRIVER(a) ((a)->ext_db)
+
+/******************* Communication IO plugin *****************/
+#include <ma_pvio.h>
+
+typedef struct st_mariadb_client_plugin_PVIO
+{
+ MYSQL_CLIENT_PLUGIN_HEADER
+ struct st_ma_pvio_methods *methods;
+} MARIADB_PVIO_PLUGIN;
+
+/******** authentication plugin specific declarations *********/
+#include <mysql/plugin_auth_common.h>
+
+struct st_mysql_client_plugin_AUTHENTICATION
+{
+ MYSQL_CLIENT_PLUGIN_HEADER
+ int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, struct st_mysql *mysql);
+};
+
+/******** trace plugin *******/
+struct st_mysql_client_plugin_TRACE
+{
+ MYSQL_CLIENT_PLUGIN_HEADER
+};
+
+/**
+ type of the mysql_authentication_dialog_ask function
+
+ @param mysql mysql
+ @param type type of the input
+ 1 - ordinary string input
+ 2 - password string
+ @param prompt prompt
+ @param buf a buffer to store the use input
+ @param buf_len the length of the buffer
+
+ @retval a pointer to the user input string.
+ It may be equal to 'buf' or to 'mysql->password'.
+ In all other cases it is assumed to be an allocated
+ string, and the "dialog" plugin will free() it.
+*/
+typedef char *(*mysql_authentication_dialog_ask_t)(struct st_mysql *mysql,
+ int type, const char *prompt, char *buf, int buf_len);
+
+/********************** remote IO plugin **********************/
+#ifdef HAVE_REMOTEIO
+#include <mariadb/ma_io.h>
+
+/* Remote IO plugin */
+typedef struct st_mysql_client_plugin_REMOTEIO
+{
+ MYSQL_CLIENT_PLUGIN_HEADER
+ struct st_rio_methods *methods;
+} MARIADB_REMOTEIO_PLUGIN;
+#endif
+
+/******** using plugins ************/
+
+/**
+ loads a plugin and initializes it
+
+ @param mysql MYSQL structure. only MYSQL_PLUGIN_DIR option value is used,
+ and last_errno/last_error, for error reporting
+ @param name a name of the plugin to load
+ @param type type of plugin that should be loaded, -1 to disable type check
+ @param argc number of arguments to pass to the plugin initialization
+ function
+ @param ... arguments for the plugin initialization function
+
+ @retval
+ a pointer to the loaded plugin, or NULL in case of a failure
+*/
+struct st_mysql_client_plugin *
+mysql_load_plugin(struct st_mysql *mysql, const char *name, int type,
+ int argc, ...);
+
+/**
+ loads a plugin and initializes it, taking va_list as an argument
+
+ This is the same as mysql_load_plugin, but take va_list instead of
+ a list of arguments.
+
+ @param mysql MYSQL structure. only MYSQL_PLUGIN_DIR option value is used,
+ and last_errno/last_error, for error reporting
+ @param name a name of the plugin to load
+ @param type type of plugin that should be loaded, -1 to disable type check
+ @param argc number of arguments to pass to the plugin initialization
+ function
+ @param args arguments for the plugin initialization function
+
+ @retval
+ a pointer to the loaded plugin, or NULL in case of a failure
+*/
+struct st_mysql_client_plugin * STDCALL
+mysql_load_plugin_v(struct st_mysql *mysql, const char *name, int type,
+ int argc, va_list args);
+
+/**
+ finds an already loaded plugin by name, or loads it, if necessary
+
+ @param mysql MYSQL structure. only MYSQL_PLUGIN_DIR option value is used,
+ and last_errno/last_error, for error reporting
+ @param name a name of the plugin to load
+ @param type type of plugin that should be loaded
+
+ @retval
+ a pointer to the plugin, or NULL in case of a failure
+*/
+struct st_mysql_client_plugin * STDCALL
+mysql_client_find_plugin(struct st_mysql *mysql, const char *name, int type);
+
+/**
+ adds a plugin structure to the list of loaded plugins
+
+ This is useful if an application has the necessary functionality
+ (for example, a special load data handler) statically linked into
+ the application binary. It can use this function to register the plugin
+ directly, avoiding the need to factor it out into a shared object.
+
+ @param mysql MYSQL structure. It is only used for error reporting
+ @param plugin an st_mysql_client_plugin structure to register
+
+ @retval
+ a pointer to the plugin, or NULL in case of a failure
+*/
+struct st_mysql_client_plugin * STDCALL
+mysql_client_register_plugin(struct st_mysql *mysql,
+ struct st_mysql_client_plugin *plugin);
+
+extern struct st_mysql_client_plugin *mysql_client_builtins[];
+
+#endif
+
+