113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
/**
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* Copyright (C) 2008 Happy Fish / YuQing
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*
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* FastDFS may be copied only under the terms of the GNU General
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* Public License V3, which may be found in the FastDFS source kit.
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* Please visit the FastDFS Home Page http://www.csource.org/ for more detail.
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**/
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//trunk_mem.h
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#ifndef _TRUNK_MEM_H_
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#define _TRUNK_MEM_H_
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <unistd.h>
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#include <pthread.h>
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#include "fastcommon/common_define.h"
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#include "fdfs_global.h"
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#include "fastcommon/fast_mblock.h"
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#include "trunk_shared.h"
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#include "fdfs_shared_func.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int g_slot_min_size; //slot min size, such as 256 bytes
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extern int g_slot_max_size; //slot max size
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extern int g_trunk_file_size; //the trunk file size, such as 64MB
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extern int g_store_path_mode; //store which path mode, fetch from tracker
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extern FDFSStorageReservedSpace g_storage_reserved_space; //fetch from tracker
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extern int g_avg_storage_reserved_mb; //calc by above var: g_storage_reserved_mb
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extern int g_store_path_index; //store to which path
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extern int g_current_trunk_file_id; //current trunk file id
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extern TimeInfo g_trunk_create_file_time_base;
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extern int g_trunk_create_file_interval;
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extern int g_trunk_compress_binlog_min_interval;
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extern TrackerServerInfo g_trunk_server; //the trunk server
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extern bool g_if_use_trunk_file; //if use trunk file
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extern bool g_trunk_create_file_advance;
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extern bool g_trunk_init_check_occupying;
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extern bool g_trunk_init_reload_from_binlog;
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extern bool g_if_trunker_self; //if am i trunk server
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extern int64_t g_trunk_create_file_space_threshold;
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extern int64_t g_trunk_total_free_space; //trunk total free space in bytes
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extern time_t g_trunk_last_compress_time;
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typedef struct tagFDFSTrunkNode {
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FDFSTrunkFullInfo trunk; //trunk info
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struct fast_mblock_node *pMblockNode; //for free
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struct tagFDFSTrunkNode *next;
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} FDFSTrunkNode;
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typedef struct {
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int size;
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FDFSTrunkNode *head;
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struct fast_mblock_node *pMblockNode; //for free
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} FDFSTrunkSlot;
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int storage_trunk_init();
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int storage_trunk_destroy_ex(const bool bNeedSleep);
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#define storage_trunk_destroy() storage_trunk_destroy_ex(false)
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int trunk_alloc_space(const int size, FDFSTrunkFullInfo *pResult);
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int trunk_alloc_confirm(const FDFSTrunkFullInfo *pTrunkInfo, const int status);
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int trunk_free_space(const FDFSTrunkFullInfo *pTrunkInfo, \
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const bool bWriteBinLog);
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bool trunk_check_size(const int64_t file_size);
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#define trunk_init_file(filename) \
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trunk_init_file_ex(filename, g_trunk_file_size)
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#define trunk_check_and_init_file(filename) \
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trunk_check_and_init_file_ex(filename, g_trunk_file_size)
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int trunk_init_file_ex(const char *filename, const int64_t file_size);
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int trunk_check_and_init_file_ex(const char *filename, const int64_t file_size);
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int trunk_file_delete(const char *trunk_filename, \
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const FDFSTrunkFullInfo *pTrunkInfo);
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int trunk_create_trunk_file_advance(void *args);
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int storage_delete_trunk_data_file();
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char *storage_trunk_get_data_filename(char *full_filename);
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#define storage_check_reserved_space(pGroup) \
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fdfs_check_reserved_space(pGroup, &g_storage_reserved_space)
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#define storage_check_reserved_space_trunk(pGroup) \
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fdfs_check_reserved_space_trunk(pGroup, &g_storage_reserved_space)
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#define storage_check_reserved_space_path(total_mb, free_mb, avg_mb) \
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fdfs_check_reserved_space_path(total_mb, free_mb, avg_mb, \
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&g_storage_reserved_space)
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#define storage_get_storage_reserved_space_mb(total_mb) \
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fdfs_get_storage_reserved_space_mb(total_mb, &g_storage_reserved_space)
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#ifdef __cplusplus
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}
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#endif
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#endif
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