databases_file.c File Reference

#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <assert.h>
#include "porting.h"
#include "chartype.h"
#include "error_manager.h"
#include "databases_file.h"
#include "boot.h"
#include "connection_defs.h"
#include "memory_alloc.h"
#include "environment_variable.h"
#include "system_parameter.h"

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Macros
#define	CFG_MAX_LINE   4096

Functions
static char *	cfg_next_char (char *str_p)
static char *	cfg_next_line (char *str_p)
static char *	cfg_pop_token (char *str_p, char **token_p)
static char *	cfg_pop_linetoken (char *str_p, char **token_p)
static void	cfg_get_directory_filename (char *buffer, int *local)
static int	cfg_ensure_directory_write (void)
static FILE *	cfg_open_directory_file (bool write_flag)
static char **	cfg_copy_hosts (const char **host_array, int *num_hosts)
static const char *	cfg_pop_host (const char *host_list, char *buffer, int *length)
static bool	cfg_host_exists (char *host_list, char *hostname, int num_items)
char *	cfg_os_working_directory (void)
char *	cfg_maycreate_get_directory_filename (char *buffer)
int	cfg_read_directory (DB_INFO **info_p, bool write_flag)
int	cfg_read_directory_ex (int vdes, DB_INFO **info_p, bool write_flag)
void	cfg_write_directory (const DB_INFO *databases)
void	cfg_write_directory_ex (int vdes, const DB_INFO *databases)
void	cfg_free_directory (DB_INFO *databases)
void	cfg_update_db (DB_INFO *db_info_p, const char *path, const char *logpath, const char *lobpath, const char *host)
DB_INFO *	cfg_new_db (const char *name, const char *path, const char *logpath, const char *lobpath, const char **hosts)
DB_INFO *	cfg_find_db_list (DB_INFO *db_info_list_p, const char *name)
DB_INFO *	cfg_add_db (DB_INFO **dir, const char *name, const char *path, const char *logpath, const char *lobpath, const char *host)
DB_INFO *	cfg_find_db (const char *db_name)
bool	cfg_delete_db (DB_INFO **dir_info_p, const char *name)
char **	cfg_get_hosts (const char *prim_host, int *count, bool include_local_host)
void	cfg_free_hosts (char **host_array)
char *	cfg_create_host_list (const char *primary_host_name, bool include_local_host, int *count)

Variables
static char	CFG_HOST_SEPARATOR = ':'

Macro Definition Documentation

#define CFG_MAX_LINE   4096

Definition at line 61 of file databases_file.c.

Referenced by cfg_read_directory().

Function Documentation

DB_INFO* cfg_add_db	(	DB_INFO **	dir,
		const char *	name,
		const char *	path,
		const char *	logpath,
		const char *	lobpath,
		const char *	host
	)

Definition at line 1035 of file databases_file.c.

References cfg_new_db(), host, database_info::next, and NULL.

Referenced by installdb(), xboot_copy(), xboot_initialize_server(), and xboot_soft_rename().

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static char ** cfg_copy_hosts ( const char **  host_array, int *  num_hosts  )

static

Definition at line 1356 of file databases_file.c.

References ARG_FILE_LINE, assert, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), free_and_init, host, NULL, and strlen.

Referenced by cfg_new_db().

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char* cfg_create_host_list	(	const char *	primary_host_name,
		bool	include_local_host,
		int *	count
	)

Definition at line 1425 of file databases_file.c.

References assert, cfg_host_exists(), CFG_HOST_SEPARATOR, cfg_pop_host(), CUB_MAXHOSTNAMELEN, free_and_init, GETHOSTNAME, NULL, prm_get_string_value(), PRM_ID_CFG_DB_HOSTS, and strlen.

Referenced by cfg_get_hosts().

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bool cfg_delete_db	(	DB_INFO **	dir_info_p,
		const char *	name
	)

Definition at line 1128 of file databases_file.c.

References cfg_free_directory(), database_info::name, database_info::next, NULL, and success().

Referenced by installdb(), xboot_delete(), and xboot_soft_rename().

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static int cfg_ensure_directory_write ( void  )

static

Definition at line 303 of file databases_file.c.

References ARG_FILE_LINE, cfg_get_directory_filename(), ER_CFG_NO_WRITE_ACCESS, ER_ERROR_SEVERITY, er_set_with_oserror(), and NULL.

Referenced by cfg_read_directory().

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DB_INFO* cfg_find_db

(

const char *

db_name

)

Definition at line 1067 of file databases_file.c.

References ARG_FILE_LINE, cfg_find_db_list(), cfg_free_directory(), cfg_new_db(), cfg_read_directory(), DATABASES_FILENAME, ER_CFG_FIND_DATABASE, ER_CFG_READ_DATABASES, ER_ERROR_SEVERITY, er_set(), ER_WARNING_SEVERITY, database_info::hosts, database_info::lobpath, database_info::logpath, database_info::name, NO_ERROR, NULL, and database_info::pathname.

Referenced by boot_restart_client(), installdb(), javasp_check_database(), main(), sboot_change_ha_mode(), and server_monitor_thr_f().

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DB_INFO* cfg_find_db_list	(	DB_INFO *	db_info_list_p,
		const char *	name
	)

Definition at line 1008 of file databases_file.c.

Referenced by alterdbhost(), boot_restart_server(), cfg_find_db(), get_db_path(), print_backup_info(), xboot_copy(), xboot_delete(), xboot_emergency_patch(), xboot_initialize_server(), and xboot_soft_rename().

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void cfg_free_directory

(

DB_INFO *

databases

)

Definition at line 759 of file databases_file.c.

References cfg_free_hosts(), free_and_init, database_info::hosts, i, database_info::lobpath, database_info::logpath, database_info::name, database_info::next, NULL, and database_info::pathname.

Referenced by alterdbhost(), boot_initialize_client(), boot_restart_client(), boot_restart_server(), cfg_delete_db(), cfg_find_db(), cfg_read_directory(), cfg_read_directory_ex(), gen_tz(), get_db_path(), installdb(), javasp_check_database(), print_backup_info(), qdata_list_dbs(), sboot_change_ha_mode(), server_monitor_thr_f(), tzc_compute_timezone_checksum(), xboot_copy(), xboot_delete(), xboot_emergency_patch(), xboot_initialize_server(), and xboot_soft_rename().

void cfg_free_hosts

(

char **

host_array

)

Definition at line 1222 of file databases_file.c.

References free_and_init, and NULL.

Referenced by alterdbhost(), boot_restart_client(), cfg_free_directory(), and cfg_update_db().

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static void cfg_get_directory_filename ( char *  buffer, int *  local  )

static

Definition at line 220 of file databases_file.c.

References DATABASES_ENVNAME, DATABASES_FILENAME, envvar_get(), envvar_vardir_file(), NULL, and strlen.

Referenced by cfg_ensure_directory_write(), cfg_maycreate_get_directory_filename(), and cfg_open_directory_file().

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char** cfg_get_hosts	(	const char *	prim_host,
		int *	count,
		bool	include_local_host
	)

Definition at line 1174 of file databases_file.c.

References cfg_create_host_list(), CFG_HOST_SEPARATOR, cubregex::count(), free_and_init, i, and NULL.

Referenced by alterdbhost(), boot_client_all_finalize(), boot_restart_client(), cfg_new_db(), cfg_read_directory(), cfg_read_directory_ex(), and cfg_update_db().

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static bool cfg_host_exists ( char *  host_list, char *  hostname, int  num_items  )

static

Definition at line 1311 of file databases_file.c.

References CAST_STRLEN, CFG_HOST_SEPARATOR, i, NULL, and strlen.

Referenced by cfg_create_host_list().

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char* cfg_maycreate_get_directory_filename

(

char *

buffer

)

Definition at line 277 of file databases_file.c.

References ARG_FILE_LINE, cfg_get_directory_filename(), ER_CFG_NO_WRITE_ACCESS, ER_ERROR_SEVERITY, er_set_with_oserror(), ER_WARNING_SEVERITY, and NULL.

Referenced by alterdbhost(), boot_restart_server(), xboot_copy(), xboot_delete(), xboot_emergency_patch(), xboot_initialize_server(), and xboot_soft_rename().

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DB_INFO* cfg_new_db	(	const char *	name,
		const char *	path,
		const char *	logpath,
		const char *	lobpath,
		const char **	hosts
	)

Definition at line 904 of file databases_file.c.

References cfg_copy_hosts(), cfg_get_hosts(), cfg_os_working_directory(), DB_SIZEOF, error(), free_and_init, database_info::hosts, database_info::lobpath, database_info::logpath, database_info::name, database_info::next, NULL, database_info::num_hosts, database_info::pathname, and strdup().

Referenced by boot_initialize_client(), boot_restart_client(), cfg_add_db(), and cfg_find_db().

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static char * cfg_next_char ( char *  str_p )

static

Definition at line 86 of file databases_file.c.

References char_isspace(), and p.

Referenced by cfg_read_directory(), and cfg_read_directory_ex().

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static char * cfg_next_line ( char *  str_p )

static

Definition at line 105 of file databases_file.c.

References char_iseol(), and p.

Referenced by cfg_read_directory_ex().

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static FILE * cfg_open_directory_file ( bool  write_flag )

static

Definition at line 332 of file databases_file.c.

References ARG_FILE_LINE, cfg_get_directory_filename(), ER_CFG_NO_WRITE_ACCESS, ER_ERROR_SEVERITY, er_set_with_oserror(), and NULL.

Referenced by cfg_read_directory(), and cfg_write_directory().

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char* cfg_os_working_directory

(

void

)

Definition at line 257 of file databases_file.c.

References NULL.

Referenced by cfg_new_db().

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static const char * cfg_pop_host ( const char *  host_list, char *  buffer, int *  length  )

static

Definition at line 1247 of file databases_file.c.

References CFG_HOST_SEPARATOR, char_isspace(), CUB_MAXHOSTNAMELEN, host, and NULL.

Referenced by cfg_create_host_list().

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static char * cfg_pop_linetoken ( char *  str_p, char **  token_p  )

static

Definition at line 174 of file databases_file.c.

References char_iseol(), char_isspace(), NULL, and p.

Referenced by cfg_read_directory_ex().

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static char * cfg_pop_token ( char *  str_p, char **  token_p  )

static

Definition at line 135 of file databases_file.c.

References char_isspace(), NULL, and p.

Referenced by cfg_read_directory().

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int cfg_read_directory	(	DB_INFO **	info_p,
		bool	write_flag
	)

Definition at line 394 of file databases_file.c.

References ARG_FILE_LINE, cfg_ensure_directory_write(), cfg_free_directory(), cfg_get_hosts(), CFG_MAX_LINE, cfg_next_char(), cfg_open_directory_file(), cfg_pop_token(), DATABASES_FILENAME, ER_CFG_INVALID_DATABASES, ER_ERROR_SEVERITY, ER_FAILED, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), free_and_init, HA_DISABLED, database_info::hosts, database_info::lobpath, database_info::logpath, database_info::name, database_info::next, NO_ERROR, NULL, database_info::num_hosts, database_info::pathname, prm_get_string_value(), and PRM_ID_HA_NODE_LIST.

Referenced by alterdbhost(), boot_restart_server(), cfg_find_db(), cfg_read_directory_ex(), cfg_write_directory_ex(), gen_tz(), get_db_path(), installdb(), print_backup_info(), qdata_list_dbs(), tzc_compute_timezone_checksum(), xboot_copy(), xboot_delete(), xboot_emergency_patch(), xboot_initialize_server(), and xboot_soft_rename().

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int cfg_read_directory_ex	(	int	vdes,
		DB_INFO **	info_p,
		bool	write_flag
	)

Definition at line 497 of file databases_file.c.

References ARG_FILE_LINE, cfg_free_directory(), cfg_get_hosts(), cfg_next_char(), cfg_next_line(), cfg_pop_linetoken(), cfg_read_directory(), DATABASES_FILENAME, ER_CFG_INVALID_DATABASES, ER_ERROR_SEVERITY, ER_FAILED, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), free_and_init, database_info::hosts, database_info::lobpath, database_info::logpath, database_info::name, database_info::next, NO_ERROR, NULL, database_info::num_hosts, and database_info::pathname.

Referenced by alterdbhost(), boot_restart_server(), xboot_copy(), xboot_delete(), xboot_emergency_patch(), xboot_initialize_server(), and xboot_soft_rename().

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void cfg_update_db	(	DB_INFO *	db_info_p,
		const char *	path,
		const char *	logpath,
		const char *	lobpath,
		const char *	host
	)

Definition at line 847 of file databases_file.c.

References cfg_free_hosts(), cfg_get_hosts(), free_and_init, database_info::hosts, database_info::lobpath, database_info::logpath, NULL, database_info::num_hosts, database_info::pathname, and strdup().

Referenced by xboot_initialize_server(), and xboot_soft_rename().

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void cfg_write_directory

(

const DB_INFO *

databases

)

Definition at line 599 of file databases_file.c.

References cfg_open_directory_file(), database_info::hosts, database_info::lobpath, database_info::logpath, database_info::name, database_info::next, NULL, database_info::pathname, and strlen.

Referenced by alterdbhost(), installdb(), xboot_copy(), xboot_delete(), xboot_initialize_server(), and xboot_soft_rename().

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void cfg_write_directory_ex	(	int	vdes,
		const DB_INFO *	databases
	)

Definition at line 687 of file databases_file.c.

References cfg_read_directory(), database_info::hosts, database_info::lobpath, database_info::logpath, database_info::name, database_info::next, NULL, database_info::pathname, and strlen.

Referenced by alterdbhost(), xboot_copy(), xboot_delete(), xboot_initialize_server(), and xboot_soft_rename().

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Variable Documentation

char CFG_HOST_SEPARATOR = ':'

static

Definition at line 63 of file databases_file.c.

Referenced by cfg_create_host_list(), cfg_get_hosts(), cfg_host_exists(), and cfg_pop_host().