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This is an implementation of two WL items:

Browse Source 
- WL#3158: IM: Instance configuration extensions;
  - WL#3159: IM: --bootstrap and --start-default-instance modes

The following new statements have been added:
  - CREATE INSTANCE;
  - DROP INSTANCE;

The behaviour of the following statements have been changed:
  - SET;
  - UNSET;
  - FLUSH INSTANCES;
  - SHOW INSTANCES;
  - SHOW INSTANCE OPTIONS;
This commit is contained in:
anozdrin@mysql.com
2006-05-18 18:57:50 +04:00
parent eee166d859
commit c1113af15c
78 changed files with 6012 additions and 1982 deletions
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56
server-tools/instance-manager/instance_options.h
View File

@ -18,8 +18,8 @@
#include <my_global.h>
#include <my_sys.h>
#include "parse.h"
#include "portability.h"
#if defined(__GNUC__) && defined(USE_PRAGMA_INTERFACE)
#pragma interface
@ -35,24 +35,26 @@
don't have to synchronize between threads.
*/
#define USUAL_INSTANCE 0
#define DEFAULT_SINGLE_INSTANCE 1
class Instance_options
{
public:
Instance_options() :
mysqld_version(0), mysqld_socket(0), mysqld_datadir(0),
mysqld_bind_address(0), mysqld_pid_file(0), mysqld_port(0),
mysqld_port_val(0), mysqld_path(0), nonguarded(0), shutdown_delay(0),
shutdown_delay_val(0), filled_default_options(0)
{}
/* The operation is used to check if the option is IM-specific or not. */
static bool is_option_im_specific(const char *option_name);
public:
Instance_options();
~Instance_options();
/* fills in argv */
int complete_initialization(const char *default_path, uint instance_type);
int complete_initialization(const char *default_path);
int add_option(const char* option);
int init(const char *instance_name_arg);
bool set_option(Named_value *option);
void unset_option(const char *option_name);
inline int get_num_options() const;
inline Named_value get_option(int idx) const;
public:
int init(const LEX_STRING *instance_name_arg);
pid_t get_pid();
int get_pid_filename(char *result);
int unlink_pidfile();
@ -65,7 +67,6 @@ public:
*/
enum { MAX_PATH_LEN= 512 };
enum { MAX_NUMBER_OF_DEFAULT_OPTIONS= 2 };
enum { MEM_ROOT_BLOCK_SIZE= 512 };
char pid_file_with_path[MAX_PATH_LEN];
char **argv;
/*
@ -76,31 +77,44 @@ public:
/* We need the some options, so we store them as a separate pointers */
const char *mysqld_socket;
const char *mysqld_datadir;
const char *mysqld_bind_address;
const char *mysqld_pid_file;
const char *mysqld_port;
uint mysqld_port_val;
const char *instance_name;
uint instance_name_len;
const char *mysqld_path;
uint mysqld_path_len;
LEX_STRING instance_name;
LEX_STRING mysqld_path;
const char *nonguarded;
const char *shutdown_delay;
uint shutdown_delay_val;
/* log enums are defined in parse.h */
char *logs[3];
/* this value is computed and cashed here */
DYNAMIC_ARRAY options_array;
private:
int fill_log_options();
int fill_instance_version();
int add_to_argv(const char *option);
int get_default_option(char *result, size_t result_len,
const char *option_name);
void update_var(const char *option_name, const char *option_value);
int find_option(const char *option_name);
private:
uint filled_default_options;
MEM_ROOT alloc;
Named_value_arr options;
};
inline int Instance_options::get_num_options() const
{
return options.get_size();
}
inline Named_value Instance_options::get_option(int idx) const
{
return options.get_element(idx);
}
#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_OPTIONS_H */