85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/****************************************************************
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* *
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* Copyright 2003, 2011 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_inet.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 "gtm_time.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 "gdsblk.h"
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#include "gdsfhead.h"
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#include "filestruct.h"
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#include "jnl.h"
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#include "jnl_write.h"
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#include "repl_msg.h"
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#include "gtmsource.h"
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#include "iosp.h"
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#ifdef DEBUG
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#include "jnl_typedef.h"
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#endif
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GBLREF jnl_fence_control jnl_fence_ctl;
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GBLREF jnlpool_ctl_ptr_t temp_jnlpool_ctl;
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GBLREF jnl_gbls_t jgbl;
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GBLREF seq_num seq_num_zero;
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GBLREF trans_num local_tn; /* transaction number for THIS PROCESS */
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GBLREF uint4 process_id;
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void jnl_write_ztp_logical(sgmnt_addrs *csa, jnl_format_buffer *jfb)
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{
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struct_jrec_upd *jrec;
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volatile seq_num temp_seqno;
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GTMCRYPT_ONLY(
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struct_jrec_upd *jrec_alt;
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)
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jnl_private_control *jpc;
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/* If REPL_WAS_ENABLED(csa) is TRUE, then we would not have gone through the code that initializes
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* jgbl.gbl_jrec_time or jpc->pini_addr. But in this case, we are not writing the journal record
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* to the journal buffer or journal file but write it only to the journal pool from where it gets
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* sent across to the update process that does not care about these fields so it is ok to leave them as is.
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*/
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jpc = csa->jnl;
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assert((0 != jpc->pini_addr) || REPL_WAS_ENABLED(csa));
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assert(jgbl.gbl_jrec_time || REPL_WAS_ENABLED(csa));
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assert(csa->now_crit);
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assert(IS_SET_KILL_ZKILL_ZTRIG(jfb->rectype));
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assert(IS_ZTP(jfb->rectype));
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jrec = (struct_jrec_upd *)jfb->buff;
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jrec->prefix.pini_addr = (0 == jpc->pini_addr) ? JNL_HDR_LEN : jpc->pini_addr;
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jrec->prefix.tn = csa->ti->curr_tn;
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jrec->prefix.time = jgbl.gbl_jrec_time;
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jrec->prefix.checksum = jfb->checksum;
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temp_seqno = temp_jnlpool_ctl->jnl_seqno;
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if (QWEQ(jnl_fence_ctl.token, seq_num_zero))
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{ /* generate token once after op_ztstart and use for all its mini-transactions
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* jnl_fence_ctl.token is set to seq_num_zero in op_ztstart */
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if (REPL_ALLOWED(csa))
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QWASSIGN(jnl_fence_ctl.token, temp_seqno);
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else
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{
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TOKEN_SET(&jnl_fence_ctl.token, local_tn, process_id);
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}
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}
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assert(0 != jnl_fence_ctl.token);
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jrec->token_seq.token = jnl_fence_ctl.token;
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jrec->strm_seqno = 0; /* strm_seqno is only for replication & ZTCOM does not work with replic */
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GTMCRYPT_ONLY(assert(!REPL_ALLOWED(csa));)
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JNL_WRITE_APPROPRIATE(csa, jpc, jfb->rectype, (jnl_record *)jrec, NULL, jfb);
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}
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