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/*
*
* (C) Copyright IBM Corp. 2001, 2003
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
*/
#include <semaphore.h>
#include "lists.h"
/* Global data exported by engine.c */
extern evms_version_t engine_version;
extern evms_version_t engine_api_version;
extern evms_version_t engine_services_api_version;
extern evms_version_t engine_plugin_api_version;
extern evms_version_t engine_fsim_api_version;
extern evms_version_t engine_cluster_api_version;
extern evms_version_t engine_container_api_version;
extern evms_version_t engine_cluster_api_version;
extern evms_version_t engine_daemon_msg_version;
extern ece_nodeid_t no_nodeid;
extern ece_nodeid_t * current_nodeid;
extern char * current_node_name;
extern boolean local_focus;
extern anchor_t plugins_list;
extern anchor_t disks_list;
extern anchor_t segments_list;
extern anchor_t containers_list;
extern anchor_t regions_list;
extern anchor_t EVMS_objects_list;
extern anchor_t volumes_list;
extern anchor_t kill_sectors_list;
extern anchor_t volume_delete_list;
extern anchor_t deactivate_list;
extern anchor_t rename_volume_list;
extern plugin_record_t * local_disk_manager;
extern plugin_record_t * replace_plugin;
extern plugin_record_t * cluster_manager;
extern cluster_functions_t * ece_funcs;
extern plugin_record_t * cluster_segment_manager;
extern int dm_control_fd;
extern engine_mode_t engine_mode;
extern debug_level_t debug_level;
extern char * log_file_name;
extern int log_file_fd;
extern boolean log_usec;
extern boolean log_pid;
extern u_char log_buf[];
extern pthread_mutex_t log_mutex;
#define LOG_BUF_SIZE (MAX_USER_MESSAGE_LEN + 1024)
extern int lock_file_fd;
extern size_t lock_file_size;
extern lock_file_t * lock_file;
extern sem_t shutdown_sem;
extern boolean is_2_4_kernel;
extern pthread_attr_t pthread_attr_detached;
extern char metadata_db_name[];
extern int metadata_db_fd;
/*
* Global functions exported by engine.c
*/
/* External APIs provided by engine.c */
extern int evms_get_api_version(evms_version_t * version);
extern int evms_open_engine(char * node_name,
engine_mode_t mode,
ui_callbacks_t * callbacks,
debug_level_t level,
char * log_name);
extern int evms_changes_pending(boolean * result,
change_record_array_t * * changes);
extern int evms_get_debug_level(debug_level_t * level);
extern int evms_set_debug_level(debug_level_t level);
extern int evms_get_kernel_info_level(debug_level_t * level);
extern int evms_set_kernel_info_level(debug_level_t level);
extern int evms_write_log_entry(debug_level_t level,
char * module_name,
char * fmt,
...) __PRINTF_ATTRIBUTE__(3,4);
extern int evms_get_plugin_list(evms_plugin_code_t type,
plugin_search_flags_t flags,
handle_array_t * * plugin_list);
extern int evms_get_plugin_by_ID(plugin_id_t plugin_ID,
object_handle_t * plugin_handle);
extern int evms_get_plugin_by_name(char * plugin_name,
object_handle_t * plugin_handle);
extern int evms_update_evms_dev_tree(void);
extern const char * evms_strerror(int err_num);
extern int evms_metadata_backup(const char * directory);
extern int evms_engine_read(object_handle_t handle,
lsn_t lsn,
sector_count_t length,
void * buffer);
extern int evms_engine_write(object_handle_t handle,
lsn_t lsn,
sector_count_t length,
void * buffer);
/* Internal functions to share with other Engine source modules */
extern void timestamp(char * buf,
size_t len,
debug_level_t level);
extern int engine_write_log_entry(debug_level_t level,
char * fmt,
...) __PRINTF_ATTRIBUTE__(2,3);
extern int unlock_engine(engine_mode_t mode);
extern void send_shutdown(pid_t pid);
#define MAX_LOCK_MESSAGE_LEN 512
extern int lock_engine(engine_mode_t mode,
const char * * msg);
extern int check_engine_read_access(void);
extern int check_engine_write_access(void);
extern void free_changes_pending_record_array_contents(void * thing);
extern int ensure_app_handle(void * thing);
extern int make_handle_entry(void * thing,
handle_array_t * ha);
extern int make_user_handle_array(list_anchor_t list,
handle_array_t * * ha);
extern int make_directory(char * dir_name,
mode_t mode);
extern boolean is_devfs_installed(void);
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