98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2010 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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/* mupipbckup.h -- requires gdsfhead.h in front of this.
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*/
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typedef enum
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{
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backup_to_file = 0,
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backup_to_exec,
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backup_to_tcp
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} backup_type;
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typedef enum
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{
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need_to_free_space = 0,
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need_to_del_tempfile,
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need_to_rel_crit,
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num_of_clnup_stage
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} clnup_stage;
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typedef enum
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{
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keep_going = 0,
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give_up_before_create_tempfile,
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give_up_after_create_tempfile,
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num_backup_proc_status
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} backup_proc_status;
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/* ATTN: the first four items in this structure need to be identical to those
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* in structure tp_region in tp.h
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*/
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typedef struct backup_reg_list_struct
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{
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struct backup_reg_list_struct *fPtr;
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struct gd_region_struct *reg;
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gd_id unique_file_id; /* both for VMS and UNIX */
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mstr backup_file;
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short crashcnt, filler;
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backup_proc_status not_this_time;
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backup_type backup_to;
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sgmnt_data_ptr_t backup_hdr;
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trans_num tn;
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block_id last_blk_at_last_bkup;
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int backup_fd;
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char backup_tempfile[256];
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} backup_reg_list;
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#define BACKUP_TEMPFILE_PREFIX "gtm_online_backup"
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#ifdef UNIX
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#define BACKUP_READ_SIZE (64 * 1024)
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#else
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#define BACKUP_READ_SIZE (32 * 1024 - DISK_BLOCK_SIZE)
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#endif
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#define BACKUP_TEMPFILE_BUFF_SIZE (BACKUP_READ_SIZE + SIZEOF(muinc_blk_hdr))
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#define BLOCKING_FACTOR 32
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#define STARTING_BLOCKS 16
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#define EXTEND_SIZE 256
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#define INTERNAL_ERROR "Internal MUPIP incremental backup error"
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#define MAX_TEMP_OPEN_TRY 15
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#define MAX_MUBCLNUP_STAGE 2
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#define DEFAULT_BKRS_PORT 6100
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#define DEFAULT_BKRS_TIMEOUT 30
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#define END_MSG "END OF SAVED BLOCKS"
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#define HDR_MSG "END OF FILE HEADER"
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#define MAP_MSG "END OF MASTER MAP"
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LITREF mval mu_bin_datefmt;
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boolean_t backup_block(sgmnt_addrs *csa, block_id blk, cache_rec_ptr_t backup_cr, sm_uc_ptr_t backup_blk_p);
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bool mubfilcpy(backup_reg_list *list);
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bool mubgetfil(backup_reg_list *list, char *name, unsigned short len);
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bool mubinccpy(backup_reg_list *list);
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bool mubgetfil(backup_reg_list *list, char *name, unsigned short len);
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boolean_t backup_buffer_flush(gd_region *reg);
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void mubclnup(backup_reg_list *curr_ptr, clnup_stage stage);
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#ifdef VMS
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void mubexpfilnam(backup_reg_list *list);
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#elif defined(UNIX)
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void mubexpfilnam(char *dirname, unsigned int dirlen, backup_reg_list *list);
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#else
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#error Unsupported Platform
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#endif
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gd_region *mubfndreg(unsigned char *regbuf, unsigned short len);
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void mup_bak_mag(void);
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void mup_bak_pause(void);
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