103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 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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/*
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* ------------------------------------------------------------------------------------------------
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* gtcmtr_lke_showrep : sends a lock tree to the requesting node, one lock at a time
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* used in : gtcm_server.c
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* ------------------------------------------------------------------------------------------------
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*/
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#include "mdef.h"
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#include <stddef.h>
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#include "cmidef.h"
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#include "hashtab_mname.h" /* needed for cmmdef.h */
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#include "cmmdef.h"
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#include "mlkdef.h"
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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 "gdsfhead.h"
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#include "filestruct.h"
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#include "lke.h"
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#include "cmi.h"
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#include "util.h"
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#include "gtcmtr_protos.h"
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#include "iosp.h"
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#include "gtcm_find_region.h"
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#include "gvcmz.h"
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#include "longcpy.h"
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#define RESET 2
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GBLREF connection_struct *curr_entry;
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GBLREF gd_region *gv_cur_region;
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GBLREF short crash_count;
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char gtcmtr_lke_showrep(struct CLB *lnk, show_request *sreq)
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{
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gd_region *cur_region;
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sgmnt_addrs *cs_adr;
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mlk_ctldata *lke_ctl;
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ssize_t ls_len;
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mstr dnode;
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show_reply srep;
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uint4 status;
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boolean_t was_crit;
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cur_region = gv_cur_region = gtcm_find_region(curr_entry, sreq->rnum)->reghead->reg;
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if (dba_bg == cur_region->dyn.addr->acc_meth || dba_mm == cur_region->dyn.addr->acc_meth)
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{
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cs_adr = &FILE_INFO(cur_region)->s_addrs;
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ls_len = cs_adr->lock_addrs[1] - cs_adr->lock_addrs[0];
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lke_ctl = (mlk_ctldata *)malloc(ls_len);
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/* Prevent any modification of the lock space while we make a local copy of it */
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if (cs_adr->critical != NULL)
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crash_count = cs_adr->critical->crashcnt;
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was_crit = cs_adr->now_crit;
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if (!was_crit)
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grab_crit(cur_region);
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longcpy((uchar_ptr_t)lke_ctl, cs_adr->lock_addrs[0], ls_len);
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if (!was_crit)
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rel_crit(cur_region);
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util_cm_print(lnk, 0, NULL, RESET);
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dnode.len = sreq->nodelength;
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dnode.addr = sreq->node;
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if (lke_ctl->blkroot != 0)
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(void)lke_showtree(lnk, (mlk_shrblk_ptr_t)R2A(lke_ctl->blkroot), sreq->all, sreq->wait, sreq->pid, dnode,
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FALSE, NULL);
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free(lke_ctl);
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}
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srep.code = CMMS_U_LKESHOW;
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lnk->cbl = SIZEOF(srep.code);
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lnk->ast = NULL;
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#ifndef vinu_marker
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assert(0 == offsetof(show_reply, code));
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lnk->mbf = (unsigned char *)&srep; /* no need since lnk->mbf can be re-used. vinu 06/27/01 */
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status = cmi_write(lnk);
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if (CMI_ERROR(status))
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{ /* This routine is a server routine; not sure why it does error processing similar to a client. vinu 06/27/01 */
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((link_info *)(lnk->usr))->neterr = TRUE;
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gvcmz_error(CMMS_U_LKESHOW, status);
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} else
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lnk->mbf = (unsigned char *)sreq; /* don't restore if lnk->mbf isn't modified. vinu 06/27/01 */
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#else
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/* server calls to cmi_* should do error processing as a callback. vinu 06/27/01 */
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*lnk->mbf = srep.code;
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cmi_write(lnk);
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#endif
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return CM_READ;
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}
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