107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2009 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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#include "mdef.h"
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#include <errno.h>
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#include "gtm_unistd.h"
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#include "gtm_fcntl.h" /* for O_RDONLY */
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#include "gtm_stdio.h"
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#include "gtm_stdlib.h"
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#include "gtm_string.h"
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#include "cli.h"
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#include "gtm_stat.h"
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#include "gdsroot.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsbt.h"
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#include "gdsfhead.h"
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#include "filestruct.h"
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#include "gtmio.h"
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#include "iosp.h"
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#include "eintr_wrappers.h"
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#include "repl_instance.h"
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#include "mupip_ftok.h"
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#include "mupip_exit.h"
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#include "file_head_read.h" /* for file_head_read() prototype */
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#include "is_file_identical.h" /* for filename_to_id() prototype */
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GBLREF boolean_t in_mupip_ftok; /* Used by an assert in repl_inst_read */
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/*
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* This reads file header and prints the semaphore/shared memory id
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* This is different than ftok utility.
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* This is needed because GTM/MUPIP creates semaphore for database access control and
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* shared memory segment using IPC_CREATE flag. GTM saves that ids in database file header.
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* In case of a crash we may need to get those ids. Specially for debugging/testing this is very useful
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* Format is same as ftok output.
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*/
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void mupip_ftok (void)
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{
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boolean_t jnlpool, recvpool;
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sgmnt_data header;
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int semid, shmid;
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unsigned int full_len;
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unsigned short fn_len; /* cli library expects unsigned short */
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char fn[MAX_FN_LEN + 1], instfilename[MAX_FN_LEN + 1];
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repl_inst_hdr repl_instance;
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gd_id fid;
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sm_uc_ptr_t fid_ptr, fid_top;
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error_def(ERR_MUPCLIERR);
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error_def(ERR_MUNOACTION);
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error_def(ERR_TEXT);
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fn_len = MAX_FN_LEN;
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if (FALSE == cli_get_str("FILE", fn, &fn_len))
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{
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rts_error(VARLSTCNT(1) ERR_MUPCLIERR);
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mupip_exit(ERR_MUPCLIERR);
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}
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fn[fn_len] = 0;
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jnlpool = (CLI_PRESENT == cli_present("JNLPOOL"));
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recvpool = (CLI_PRESENT == cli_present("RECVPOOL"));
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if (jnlpool || recvpool)
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{
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if (!repl_inst_get_name(instfilename, &full_len, SIZEOF(instfilename), issue_rts_error))
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GTMASSERT; /* rts_error should have been issued by repl_inst_get_name */
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in_mupip_ftok = TRUE;
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repl_inst_read(instfilename, (off_t)0, (sm_uc_ptr_t)&repl_instance, SIZEOF(repl_inst_hdr));
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in_mupip_ftok = FALSE;
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if (jnlpool)
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{
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semid = repl_instance.jnlpool_semid;
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shmid = repl_instance.jnlpool_shmid;
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} else
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{
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semid = repl_instance.recvpool_semid;
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shmid = repl_instance.recvpool_shmid;
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}
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} else
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{
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if (!file_head_read(fn, &header, SIZEOF(header)))
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mupip_exit(ERR_MUNOACTION);
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semid = header.semid;
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shmid = header.shmid;
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}
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PRINTF("%20s :: %23s :: %23s :: %20s\n", "File", "Semaphore Id", "Shared Memory Id", "FileId");
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PRINTF("---------------------------------------------------------------------------------------------------------------\n");
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PRINTF("%20s :: %10d [0x%.8x] :: %10d [0x%.8x] :: 0x", fn, semid, semid, shmid, shmid);
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fid_ptr = (sm_uc_ptr_t)&fid;
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filename_to_id((gd_id_ptr_t)fid_ptr, fn);
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fid_top = fid_ptr + SIZEOF(fid);
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for ( ; fid_ptr < fid_top; fid_ptr++)
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PRINTF("%.2x", *(sm_uc_ptr_t)fid_ptr);
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PRINTF("\n");
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mupip_exit(SS_NORMAL);
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}
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