304 lines
8.1 KiB
C
304 lines
8.1 KiB
C
/****************************************************************
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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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#include "mdef.h"
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#include "gtm_string.h"
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#include "stringpool.h"
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#include "stp_parms.h"
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#include "gdsroot.h"
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#include "gdskill.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 "error.h"
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#include "muextr.h"
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#include "util.h"
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#include "mupip_exit.h"
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#include "mlkdef.h"
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#include "zshow.h"
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#include "file_input.h"
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#include "load.h"
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#include "mu_gvis.h"
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#include "mupip_put_gvdata.h"
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#include "str2gvkey.h"
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#include "gtmmsg.h"
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#include "gtm_utf8.h"
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#include "rtnhdr.h"
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#include "gv_trigger.h"
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GBLREF bool mupip_error_occurred;
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GBLREF bool mu_ctrly_occurred;
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GBLREF bool mu_ctrlc_occurred;
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GBLREF spdesc stringpool;
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GBLREF gv_key *gv_currkey;
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#define GO_PUT_SUB 0
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#define GO_PUT_DATA 1
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#define DEFAULT_MAX_REC_SIZE 3096
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#define ISSUE_TRIGDATAIGNORE_IF_NEEDED(KEYLENGTH, PTR, HASHT_GBL) \
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{ \
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/* The ordering of the && below is important as the caller uses HASHT_GBL to be set to TRUE if the global pointed to \
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* by PTR is ^#t. \
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*/ \
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if ((HASHT_GBL = IS_GVKEY_HASHT_FULL_GBLNAME(KEYLENGTH, PTR)) && !hasht_ignored) \
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{ \
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gtm_putmsg(VARLSTCNT(4) ERR_TRIGDATAIGNORE, 2, KEYLENGTH, PTR); \
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hasht_ignored = TRUE; \
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} \
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}
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static readonly unsigned char gt_lit[] = "LOAD TOTAL";
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void go_call_db(int routine, char *parm1, int parm2);
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void go_load(uint4 begin, uint4 end)
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{
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char *ptr;
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int len, fmt, keylength, keystate;
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uint4 iter, max_data_len, max_subsc_len, key_count, max_rec_size;
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mstr src, des;
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unsigned char *rec_buff, ch;
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boolean_t utf8_extract, format_error = FALSE, hasht_ignored = FALSE, hasht_gbl = FALSE;
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error_def(ERR_LOADCTRLY);
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error_def(ERR_LOADEOF);
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error_def(ERR_LOADFILERR);
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error_def(ERR_MUNOFINISH);
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error_def(ERR_LOADINVCHSET);
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error_def(ERR_TRIGDATAIGNORE);
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gvinit();
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max_rec_size = DEFAULT_MAX_REC_SIZE;
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rec_buff = (unsigned char *)malloc(max_rec_size);
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fmt = MU_FMT_ZWR; /* by default, the extract format is ZWR (not GO) */
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len = file_input_get(&ptr);
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if (mupip_error_occurred)
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{
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free(rec_buff);
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return;
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}
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if (len >= 0)
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{
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util_out_print("!AD", TRUE, len, ptr);
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utf8_extract = ((len >= STR_LIT_LEN(UTF8_NAME)) &&
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(0 == MEMCMP_LIT(ptr + len - STR_LIT_LEN("UTF-8"), "UTF-8"))) ? TRUE : FALSE;
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if ((utf8_extract && !gtm_utf8_mode) || (!utf8_extract && gtm_utf8_mode))
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{ /* extract CHSET doesn't match $ZCHSET */
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if (utf8_extract)
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gtm_putmsg(VARLSTCNT(4) ERR_LOADINVCHSET, 2, LEN_AND_LIT("UTF-8"));
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else
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gtm_putmsg(VARLSTCNT(4) ERR_LOADINVCHSET, 2, LEN_AND_LIT("M"));
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mupip_error_occurred = TRUE;
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free(rec_buff);
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return;
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}
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} else
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mupip_exit(ERR_LOADFILERR);
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len = file_input_get(&ptr);
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if (mupip_error_occurred)
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{
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free(rec_buff);
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return;
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}
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if (len >= 0)
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{
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util_out_print("!AD", TRUE, len, ptr);
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fmt = (0 == memcmp(ptr + len - STR_LIT_LEN("ZWR"), "ZWR", STR_LIT_LEN("ZWR"))) ? MU_FMT_ZWR : MU_FMT_GO;
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} else
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mupip_exit(ERR_LOADFILERR);
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if (begin < 3)
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begin = 3;
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for (iter = 3; iter < begin; iter++)
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{
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len = file_input_get(&ptr);
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if (len < 0) /* The IO device has signalled an end of file */
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{
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gtm_putmsg(VARLSTCNT(3) ERR_LOADEOF, 1, begin);
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mupip_error_occurred = TRUE;
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}
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if (mupip_error_occurred)
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{
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util_out_print("Error reading record number: !UL\n", TRUE, iter);
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free(rec_buff);
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return;
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}
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}
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assert(iter == begin);
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util_out_print("Beginning LOAD at record number: !UL\n", TRUE, begin);
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max_data_len = 0;
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max_subsc_len = 0;
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key_count = 0;
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for (iter = begin - 1; ; )
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{
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if (++iter > end)
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break;
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if (mu_ctrly_occurred)
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break;
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if (mu_ctrlc_occurred)
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{
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util_out_print("!AD:!_ Key cnt: !UL max subsc len: !UL max data len: !UL", TRUE,
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LEN_AND_LIT(gt_lit), key_count, max_subsc_len, max_data_len);
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util_out_print("Last LOAD record number: !UL", TRUE, key_count ? iter : 0);
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mu_gvis();
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util_out_print(0, TRUE);
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mu_ctrlc_occurred = FALSE;
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}
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if (0 > (len = file_input_get(&ptr)))
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break;
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if (mupip_error_occurred)
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{
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mu_gvis();
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break;
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}
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if ('\n' == *ptr)
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{
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if ('\n' == *(ptr+1))
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break;
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ptr++;
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}
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stringpool.free = stringpool.base;
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if (0 == len)
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continue;
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if (MU_FMT_GO != fmt)
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{
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/* Determine the ZWR key length. -1 (SIZEOF(=)) is needed since ZWR allows '^x(1,2)='*/
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keylength = zwrkeylength(ptr, len - 1);
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ISSUE_TRIGDATAIGNORE_IF_NEEDED(keylength, ptr, hasht_gbl);
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if (hasht_gbl)
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{
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hasht_gbl = FALSE;
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continue;
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}
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go_call_db(GO_PUT_SUB, ptr, keylength);
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if (mupip_error_occurred)
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{
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mu_gvis();
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util_out_print("Error loading record number: !UL\n", TRUE, iter);
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mupip_error_occurred = FALSE;
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continue;
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}
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assert(keylength < len - 1);
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if (max_subsc_len < (gv_currkey->end + 1))
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max_subsc_len = gv_currkey->end + 1;
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src.len = len - keylength - 1;
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src.addr = (char *)(ptr + keylength + 1);
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des.len = 0;
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if (src.len > max_rec_size)
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{
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max_rec_size = src.len;
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free(rec_buff);
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rec_buff = (unsigned char *)malloc(max_rec_size);
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}
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des.addr = (char *)rec_buff;
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if (FALSE == zwr2format(&src, &des))
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{
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util_out_print("Format error in record number !8UL: !/!AD", TRUE, iter, src.len, src.addr);
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format_error = TRUE;
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continue;
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}
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if (max_data_len < des.len)
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max_data_len = des.len;
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stringpool.free = stringpool.base;
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go_call_db(GO_PUT_DATA, (char *)rec_buff, des.len);
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if (mupip_error_occurred)
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{
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mu_gvis();
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util_out_print("Error loading record number: !UL\n", TRUE, iter);
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mupip_error_occurred = FALSE;
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continue;
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}
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key_count++;
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} else
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{
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ISSUE_TRIGDATAIGNORE_IF_NEEDED(len, ptr, hasht_gbl);
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if (hasht_gbl)
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{
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if (0 > (len = file_input_get(&ptr)))
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break;
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iter++;
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hasht_gbl = FALSE;
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continue;
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}
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go_call_db(GO_PUT_SUB, ptr, len);
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if (mupip_error_occurred)
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{
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mu_gvis();
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util_out_print("Error loading record number: !UL\n", TRUE, iter);
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mupip_error_occurred = FALSE;
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continue;
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}
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if (max_subsc_len < (gv_currkey->end + 1))
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max_subsc_len = gv_currkey->end + 1;
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if (++iter > end)
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{
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iter--; /* Decrement as didn't load key */
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break;
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}
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if ((len = file_input_get(&ptr)) < 0)
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break;
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if (mupip_error_occurred)
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{
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mu_gvis();
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util_out_print("Error loading record number: !UL\n", TRUE, iter);
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break;
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}
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stringpool.free = stringpool.base;
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if (max_data_len < len)
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max_data_len = len;
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go_call_db(GO_PUT_DATA, ptr, len);
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if (mupip_error_occurred)
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{
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mu_gvis();
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util_out_print("Error loading record number: !UL\n", TRUE, iter);
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mupip_error_occurred = FALSE;
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continue;
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}
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key_count++;
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}
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}
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free(rec_buff);
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file_input_close();
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if (mu_ctrly_occurred)
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{
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gtm_putmsg(VARLSTCNT(1) ERR_LOADCTRLY);
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mupip_exit(ERR_MUNOFINISH);
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}
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util_out_print("LOAD TOTAL!_!_Key Cnt: !UL Max Subsc Len: !UL Max Data Len: !UL",TRUE,key_count,max_subsc_len,
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max_data_len);
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util_out_print("Last LOAD record number: !UL\n", TRUE, key_count ? (iter - 1) : 0);
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if (format_error)
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mupip_exit(ERR_LOADFILERR);
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}
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void go_call_db(int routine, char *parm1, int parm2)
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{
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/* In order to duplicate the VMS functionality, which is to trap all errors in mupip_load_ch
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* and continue in go_load after they occur, it is necessary to call these routines from a
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* subroutine due to the limitations of condition handlers and unwinding on UNIX.
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*/
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ESTABLISH(mupip_load_ch);
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switch(routine)
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{ case GO_PUT_SUB:
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gv_currkey->end = 0;
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str2gvkey_gvfunc(parm1, parm2);
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break;
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case GO_PUT_DATA:
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mupip_put_gvdata(parm1 , parm2);
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break;
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}
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REVERT;
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}
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