102 lines
3.8 KiB
C
102 lines
3.8 KiB
C
/****************************************************************
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* *
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* Copyright 2006, 2012 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 "gtm_fcntl.h"
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#include "gtmio.h"
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#include "repl_sp.h"
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#include "gtm_time.h"
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#include "gtm_string.h"
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#include "gtm_inet.h" /* Required for gtmsource.h */
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#include <errno.h>
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#ifdef VMS
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#include <descrip.h> /* Required for gtmsource.h */
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#endif
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#include "gdsroot.h"
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#include "gdsblk.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 "repl_shutdcode.h"
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#include "gdsfhead.h"
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#include "filestruct.h"
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#include "repl_msg.h"
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#include "gtmsource.h"
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#include "repl_dbg.h"
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#include "repl_sem.h"
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#include "util.h"
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#include "repl_log.h"
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GBLREF jnlpool_addrs jnlpool;
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GBLREF gtmsource_options_t gtmsource_options;
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GBLREF boolean_t holds_sem[NUM_SEM_SETS][NUM_SRC_SEMS];
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error_def(ERR_REPLLOGOPN);
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int gtmsource_changelog(void)
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{
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uint4 changelog_desired = 0, changelog_accepted = 0;
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int log_fd = 0; /*used to indicate whether the new specified log file is writable*/
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int close_status = 0; /*used to indicate if log file is successfully closed*/
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char* err_code;
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int save_errno;
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assert(holds_sem[SOURCE][JNL_POOL_ACCESS_SEM]);
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repl_log(stderr, TRUE, TRUE, "Initiating CHANGELOG operation on source server pid [%d] for secondary instance [%s]\n",
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jnlpool.gtmsource_local->gtmsource_pid, jnlpool.gtmsource_local->secondary_instname);
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if (0 != jnlpool.gtmsource_local->changelog)
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{
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util_out_print("Change log is already in progress. Not initiating change in log file or log interval", TRUE);
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return (ABNORMAL_SHUTDOWN);
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}
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if ('\0' != gtmsource_options.log_file[0]) /* trigger change in log file */
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{
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changelog_desired |= REPLIC_CHANGE_LOGFILE;
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if (0 != STRCMP(jnlpool.gtmsource_local->log_file, gtmsource_options.log_file))
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{ /*check if the new log file is writable*/
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OPENFILE3(gtmsource_options.log_file,
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O_RDWR | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH, log_fd);
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if (log_fd < 0) {
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save_errno = ERRNO;
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err_code = STRERROR(save_errno);
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gtm_putmsg(VARLSTCNT(8) ERR_REPLLOGOPN, 6,
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LEN_AND_STR(gtmsource_options.log_file),
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LEN_AND_STR(err_code),
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LEN_AND_STR(NULL_DEVICE));
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} else {
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CLOSEFILE_IF_OPEN(log_fd, close_status);
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assert(close_status==0);
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changelog_accepted |= REPLIC_CHANGE_LOGFILE;
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STRCPY(jnlpool.gtmsource_local->log_file, gtmsource_options.log_file);
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util_out_print("Change log initiated with file !AD", TRUE, LEN_AND_STR(gtmsource_options.log_file));
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}
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} else
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util_out_print("Log file is already !AD. Not initiating change in log file", TRUE,
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LEN_AND_STR(gtmsource_options.log_file));
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}
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if (0 != gtmsource_options.src_log_interval) /* trigger change in log interval */
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{
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changelog_desired |= REPLIC_CHANGE_LOGINTERVAL;
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if (gtmsource_options.src_log_interval != jnlpool.gtmsource_local->log_interval)
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{
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changelog_accepted |= REPLIC_CHANGE_LOGINTERVAL;
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jnlpool.gtmsource_local->log_interval = gtmsource_options.src_log_interval;
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util_out_print("Change log initiated with interval !UL", TRUE, gtmsource_options.src_log_interval);
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} else
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util_out_print("Log interval is already !UL. Not initiating change in log interval", TRUE,
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gtmsource_options.src_log_interval);
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}
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if (0 != changelog_accepted)
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jnlpool.gtmsource_local->changelog = changelog_accepted;
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else
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util_out_print("No change to log file or log interval", TRUE);
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return ((0 != changelog_accepted && changelog_accepted == changelog_desired) ? NORMAL_SHUTDOWN : ABNORMAL_SHUTDOWN);
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}
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