/* * PROGRAM: JRD Access Method * MODULE: dba.e * DESCRIPTION: Database analysis tool * * The contents of this file are subject to the Interbase Public * License Version 1.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy * of the License at http://www.Inprise.com/IPL.html * * Software distributed under the License is distributed on an * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express * or implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code was created by Inprise Corporation * and its predecessors. Portions created by Inprise Corporation are * Copyright (C) Inprise Corporation. * * All Rights Reserved. * Contributor(s): ______________________________________. * * 2001.08.07 Sean Leyne - Code Cleanup, removed "#ifdef READONLY_DATABASE" * conditionals, as the engine now fully supports * readonly databases. */ #include "../jrd/common.h" #include "firebird.h" #include "../jrd/ib_stdio.h" #include #include #include #include "../jrd/ibsetjmp.h" #include "../jrd/time.h" #include "../jrd/gds.h" #include "../jrd/ods.h" #include "../jrd/license.h" #include "../jrd/msg_encode.h" #include "../jrd/gdsassert.h" #ifndef SUPERSERVER #include "../utilities/ppg_proto.h" #endif #include "../utilities/dbaswi.h" #include "../jrd/gds_proto.h" #include "../jrd/isc_f_proto.h" #include "../jrd/thd.h" #include "../jrd/enc_proto.h" #ifdef SUPERSERVER #include "../utilities/cmd_util_proto.h" #include "../jrd/thd_proto.h" #endif #ifdef HAVE_UNISTD_H #include #endif #ifdef WIN_NT #include #include #include "../jrd/pwd.h" #endif /* For Netware the follow DB handle and isc_status is #defined to be a */ /* local variable on the stack in main. This is to avoid multiple */ /* threading problems with module level statics. */ DATABASE DB = STATIC "yachts.lnk"; #define DB db_handle #define isc_status status_vector #define ALLOC(size) alloc ((SLONG) size); #define BUCKETS 5 #define WINDOW_SIZE (1 << 17) #if (defined WIN_NT) #include #else #if !(defined linux || defined FREEBSD || defined NETBSD || defined DARWIN) extern SCHAR *sys_errlist[]; #endif #endif typedef struct dba_idx { struct dba_idx *idx_next; SSHORT idx_id; SSHORT idx_depth; SLONG idx_leaf_buckets; SLONG idx_total_duplicates; SLONG idx_max_duplicates; SLONG idx_nodes; SLONG idx_data_length; SLONG idx_fill_distribution[BUCKETS]; SCHAR idx_name[32]; } *DBA_IDX; typedef struct rel { struct rel *rel_next; struct dba_idx *rel_indexes; SLONG rel_index_root; SLONG rel_pointer_page; SLONG rel_slots; SLONG rel_data_pages; ULONG rel_records; ULONG rel_record_space; ULONG rel_versions; ULONG rel_version_space; ULONG rel_max_versions; SLONG rel_fill_distribution[BUCKETS]; ULONG rel_total_space; SSHORT rel_id; SCHAR rel_name[32]; } *REL; /* kidnapped from jrd/pio.h and abused */ typedef struct dba_fil { struct dba_fil *fil_next; /* Next file in database */ ULONG fil_min_page; /* Minimum page number in file */ ULONG fil_max_page; /* Maximum page number in file */ USHORT fil_fudge; /* Fudge factor for page relocation */ #ifdef WIN_NT void *fil_desc; #else int fil_desc; #endif USHORT fil_length; /* Length of expanded file name */ SCHAR fil_string[1]; /* Expanded file name */ } *DBA_FIL; static SCHAR *alloc(SLONG); static void analyze_data(REL, BOOLEAN); static BOOLEAN analyze_data_page(REL, DPG, BOOLEAN); static ULONG analyze_fragments(REL, RHDF); static ULONG analyze_versions(REL, RHDF); static void analyze_index(REL, DBA_IDX); #if (defined WIN_NT) static void db_error(SLONG); #else static void db_error(int); #endif static DBA_FIL db_open(UCHAR *, USHORT); static PAG db_read(SLONG); static void db_close(int); static BOOLEAN key_equality(SSHORT, SCHAR *, BTN); static void move(SCHAR *, SCHAR *, SSHORT); static void print_distribution(SCHAR *, SLONG *); static void truncate_name(SCHAR *); static void dba_error(USHORT, TEXT *, TEXT *, TEXT *, TEXT *, TEXT *); static void dba_print(USHORT, TEXT *, TEXT *, TEXT *, TEXT *, TEXT *); #ifndef INCLUDE_FB_BLK #include "../include/fb_blk.h" #endif #include "../jrd/svc.h" #include "../jrd/svc_proto.h" #ifdef SUPERSERVER #include #if (defined WIN_NT || defined NETWARE_386) #include #endif #ifdef NETWARE_386 #include #endif #include "../jrd/pwd.h" #include "../utilities/ppg_proto.h" #define FPRINTF SVC_fprintf typedef struct open_files { int desc; struct open_files *open_files_next; } open_files; typedef struct mem { void *memory; struct mem *mem_next; } mem; #endif #ifndef FPRINTF #define FPRINTF ib_fprintf #endif /* threading declarations for thread data */ typedef struct tdba { struct thdd tdba_thd_data; UCHAR *dba_env; DBA_FIL files; REL relations; SSHORT page_size; SLONG page_number; PAG buffer1; PAG buffer2; PAG global_buffer; int exit_code; #ifdef SUPERSERVER SVC sw_outfile; mem *head_of_mem_list; open_files *head_of_files_list; SVC dba_service_blk; #else IB_FILE *sw_outfile; #endif STATUS *dba_status; STATUS dba_status_vector[ISC_STATUS_LENGTH]; } *TDBA; #ifdef GET_THREAD_DATA #undef GET_THREAD_DATA #endif #ifdef SUPERSERVER #define GET_THREAD_DATA ((TDBA) THD_get_specific()) #define SET_THREAD_DATA { tddba = &thd_context; \ THD_put_specific ((THDD) tddba);\ tddba->tdba_thd_data.thdd_type = THDD_TYPE_TDBA; } #define RESTORE_THREAD_DATA THD_restore_specific() #else static struct tdba *gddba; #define GET_THREAD_DATA (gddba) #define SET_THREAD_DATA gddba = tddba = &thd_context; \ tddba->tdba_thd_data.thdd_type = THDD_TYPE_TDBA #define RESTORE_THREAD_DATA #endif #define EXIT(code) { tddba->exit_code = code; \ Firebird::status_exception::raise(0); } #define GSTAT_MSG_FAC 21 #if defined (WIN95) && !defined (GUI_TOOLS) static BOOLEAN fAnsiCP = FALSE; #define TRANSLATE_CP(a) if (!fAnsiCP) CharToOem(a, a) #else #define TRANSLATE_CP(a) #endif #ifdef SUPERSERVER int main_gstat( SVC service) #else int CLIB_ROUTINE main(int argc, char **argv) #endif { /************************************** * * m a i n * ************************************** * * Functional description * Gather information from system relations to do analysis * of a database. * **************************************/ IN_SW_TAB in_sw_tab; REL relation; DBA_IDX index; HDR header; LIP logp; DBA_FIL current; SCHAR **end, *name, *p, temp[1024], file_name[1024]; double average; BOOLEAN sw_system, sw_data, sw_index, sw_version, sw_header, sw_log, sw_record, sw_relation; SLONG page; SLONG redir_in, redir_out, redir_err; UCHAR *vp, *vend; isc_db_handle db_handle = NULL; #ifdef SUPERSERVER SVC sw_outfile; int argc; char **argv; open_files *open_file, *tmp1; mem *alloced, *tmp2; #else IB_FILE *sw_outfile; #endif TEXT *q, *str, c; UCHAR *dpb; SSHORT dpb_length; UCHAR dpb_string[256]; UCHAR buf[256]; UCHAR pass_buff[128], user_buff[128], *password = pass_buff, *username = user_buff; struct tdba thd_context, *tddba; JMP_BUF env; isc_tr_handle transact1; isc_req_handle request1, request2, request3; STATUS *status_vector; #if defined (WIN95) && !defined (GUI_TOOLS) && !defined (SUPERSERVER) BOOL fAnsiCP; #endif SET_THREAD_DATA; SVC_PUTSPECIFIC_DATA; memset(tddba, 0, sizeof(*tddba)); tddba->dba_env = (UCHAR *) env; #ifdef SUPERSERVER /* Reinitialize static variables for multi-threading */ argc = service->svc_argc; argv = service->svc_argv; #endif try { #ifdef SUPERSERVER sw_outfile = tddba->sw_outfile = service; #else sw_outfile = tddba->sw_outfile = ib_stdout; #endif #if defined (WIN95) && !defined (GUI_TOOLS) && !defined (SUPERSERVER) fAnsiCP = FALSE; #endif /* Perform some special handling when run as an Interbase service. The first switch can be "-svc" (lower case!) or it can be "-svc_re" followed by 3 file descriptors to use in re-directing ib_stdin, ib_stdout, and ib_stderr. */ tddba->dba_status = tddba->dba_status_vector; status_vector = tddba->dba_status; if (argc > 1 && !strcmp(argv[1], "-svc")) { argv++; argc--; } #ifdef SUPERSERVER else if (!strcmp(argv[1], "-svc_thd")) { tddba->dba_service_blk = service; tddba->dba_status = service->svc_status; argv++; argc--; } #endif #ifndef NETWARE_386 else if (argc > 4 && !strcmp(argv[1], "-svc_re")) { redir_in = atol(argv[2]); redir_out = atol(argv[3]); redir_err = atol(argv[4]); #ifdef WIN_NT #if defined (WIN95) && !defined (GUI_TOOLS) && !defined (SUPERSERVER) fAnsiCP = TRUE; #endif redir_in = _open_osfhandle(redir_in, 0); redir_out = _open_osfhandle(redir_out, 0); redir_err = _open_osfhandle(redir_err, 0); #endif if (redir_in != 0) if (dup2((int) redir_in, 0)) close((int) redir_in); if (redir_out != 1) if (dup2((int) redir_out, 1)) close((int) redir_out); if (redir_err != 2) if (dup2((int) redir_err, 2)) close((int) redir_err); argv += 4; argc -= 4; } #endif name = NULL; sw_log = sw_system = sw_data = sw_index = sw_version = sw_header = sw_record = sw_relation = FALSE; MOVE_CLEAR(user_buff, sizeof(user_buff)); MOVE_CLEAR(pass_buff, sizeof(pass_buff)); for (end = argv + argc, ++argv; argv < end;) { str = *argv++; if (*str == '-') { if (!str[1]) str = "-*NONE*"; for (in_sw_tab = dba_in_sw_table; q = in_sw_tab->in_sw_name; in_sw_tab++) { for (p = str + 1; c = *p++;) if (UPPER(c) != *q++) break; if (!c) break; } in_sw_tab->in_sw_state = TRUE; if (!in_sw_tab->in_sw) { dba_print(20, str + 1, 0, 0, 0, 0); /* msg 20: unknown switch "%s" */ dba_print(21, 0, 0, 0, 0, 0); /* msg 21: Available switches: */ for (in_sw_tab = dba_in_sw_table; in_sw_tab->in_sw; in_sw_tab++) if (in_sw_tab->in_sw_msg) dba_print(in_sw_tab->in_sw_msg, 0, 0, 0, 0, 0); #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 1, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); #endif dba_error(1, 0, 0, 0, 0, 0); /* msg 1: found unknown switch */ } else if (in_sw_tab->in_sw == IN_SW_DBA_USERNAME) { strcpy((char*) username, *argv++); } else if (in_sw_tab->in_sw == IN_SW_DBA_PASSWORD) { strcpy((char*) password, *argv++); } else if (in_sw_tab->in_sw == IN_SW_DBA_SYSTEM) { sw_system = TRUE; } else if (in_sw_tab->in_sw == IN_SW_DBA_DATA) { sw_data = TRUE; } else if (in_sw_tab->in_sw == IN_SW_DBA_INDEX) { sw_index = TRUE; } else if (in_sw_tab->in_sw == IN_SW_DBA_VERSION) { sw_version = TRUE; } else if (in_sw_tab->in_sw == IN_SW_DBA_HEADER) { sw_header = TRUE; } else if (in_sw_tab->in_sw == IN_SW_DBA_LOG) { sw_log = TRUE; } else if (in_sw_tab->in_sw == IN_SW_DBA_DATAIDX) { sw_index = sw_data = TRUE; } else if (in_sw_tab->in_sw == IN_SW_DBA_RECORD) { sw_record = TRUE; } else if (in_sw_tab->in_sw == IN_SW_DBA_RELATION) { sw_relation = TRUE; while (argv < end && **argv != '-') { REL *next; if (strlen(*argv) > 31) { argv++; continue; } relation = (REL) ALLOC(sizeof(struct rel)); strcpy(relation->rel_name, *argv++); truncate_name(relation->rel_name); relation->rel_id = -1; for (next = &tddba->relations; *next; next = &(*next)->rel_next); *next = relation; } } } else name = str; } if (!name) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 2, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); #endif dba_error(2, 0, 0, 0, 0, 0); /* msg 2: please retry, giving a database name */ } if (!sw_data && !sw_index) sw_data = sw_index = TRUE; if (sw_record && !sw_data) sw_data = TRUE; #if defined (WIN95) && !defined (GUI_TOOLS) && !defined (SUPERSERVER) if (!fAnsiCP) { ULONG ulConsoleCP; ulConsoleCP = GetConsoleCP(); if (ulConsoleCP == GetACP()) fAnsiCP = TRUE; else if (ulConsoleCP != GetOEMCP()) { FPRINTF(sw_outfile, "WARNING: The current codepage is not supported. Any use of any\n" " extended characters may result in incorrect file names.\n"); } } #endif if (sw_version) dba_print(5, GDS_VERSION, 0, 0, 0, 0); /* msg 5: gstat version %s */ /* Open database and go to work */ current = db_open((UCHAR*) name, strlen(name)); tddba->page_size = sizeof(temp); tddba->global_buffer = (PAG) temp; tddba->page_number = -1; header = (HDR) db_read((SLONG) 0); #ifdef SUPERSERVER SVC_STARTED(service); #endif /* ODS7 was not released as a shipping ODS and was replaced * by ODS 8 in version 4.0 of InterBase. There will not be any * customer databases which have an ODS of 7 */ if (header->hdr_ods_version > ODS_VERSION || (header->hdr_ods_version < ODS_VERSION8 && header->hdr_ods_version != ODS_VERSION6)) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 3, isc_arg_number, reinterpret_cast(ODS_VERSION), isc_arg_number, reinterpret_cast(header->hdr_ods_version), 0, NULL, 0, NULL, 0, NULL); #endif dba_error(3, (TEXT *) ODS_VERSION, (TEXT *) header->hdr_ods_version, 0, 0, 0); /* msg 3: Wrong ODS version, expected %d, encountered %d? */ } #if defined (WIN95) && !defined (GUI_TOOLS) && !defined (SUPERSERVER) if (!fAnsiCP) AnsiToOem(name, file_name); else #endif strcpy(file_name, name); dba_print(6, file_name, 0, 0, 0, 0); /* msg 6: \nDatabase \"%s\"\n */ tddba->page_size = header->hdr_page_size; tddba->buffer1 = (PAG) ALLOC(tddba->page_size); tddba->buffer2 = (PAG) ALLOC(tddba->page_size); tddba->global_buffer = (PAG) ALLOC(tddba->page_size); tddba->page_number = -1; /* gather continuation files */ page = HEADER_PAGE; do { if (page != HEADER_PAGE) current = db_open((UCHAR*) file_name, strlen(file_name)); do { header = (HDR) db_read((SLONG) page); if (current != tddba->files) current->fil_fudge = 1; /* ignore header page once read it */ *file_name = '\0'; for (vp = header->hdr_data, vend = vp + header->hdr_page_size; vp < vend && *vp != HDR_end; vp += 2 + vp[1]) { if (*vp == HDR_file) { memcpy(file_name, vp + 2, vp[1]); *(file_name + vp[1]) = '\0'; #if defined (WIN95) && !defined (GUI_TOOLS) && !defined (SUPERSERVER) if (!fAnsiCP) AnsiToOem(file_name, file_name); #endif } if (*vp == HDR_last_page) memcpy(¤t->fil_max_page, vp + 2, sizeof(current->fil_max_page)); } } while (page = header->hdr_next_page); page = current->fil_max_page + 1; /* first page of next file */ } while (*file_name); /* Print header page */ page = HEADER_PAGE; do { header = (HDR) db_read((SLONG) page); PPG_print_header(header, page, sw_outfile); } while (page = header->hdr_next_page); if (sw_header) EXIT(FINI_OK); /* print continuation file sequence */ dba_print(7, 0, 0, 0, 0, 0); /* msg 7: \n\nDatabase file sequence: */ for (current = tddba->files; current->fil_next; current = current->fil_next) dba_print(8, current->fil_string, current->fil_next->fil_string, 0, 0, 0); /* msg 8: File %s continues as file %s */ dba_print(9, current->fil_string, (TEXT*)((current == tddba->files) ? "only" : "last"), 0, 0, 0); /* msg 9: File %s is the %s file\n */ /* print log page */ page = LOG_PAGE; do { logp = (LIP) db_read((SLONG) page); PPG_print_log(logp, page, sw_outfile); } while (page = logp->log_next_page); if (sw_log) EXIT(FINI_OK); /* Check to make sure that the user accessing the database is either * SYSDBA or owner of the database */ dpb = dpb_string; *dpb++ = gds_dpb_version1; *dpb++ = isc_dpb_gstat_attach; *dpb++ = 0; if (*username) { *dpb++ = gds_dpb_user_name; *dpb++ = strlen((char*) username); strcpy((char*) dpb, (char*) username); dpb += strlen((char*) username); } if (*password) { #ifdef SUPERSERVER *dpb++ = gds_dpb_password_enc; #else *dpb++ = gds_dpb_password; #endif *dpb++ = strlen((char*) password); strcpy((char*) dpb, (char*) password); dpb += strlen((char*) password); } dpb_length = dpb - dpb_string; isc_attach_database(status_vector, 0, GDS_VAL(name), &DB, dpb_length, (char*) dpb_string); if (status_vector[1]) EXIT(FINI_ERROR); if (sw_version) gds__version(&DB, NULL, NULL); transact1 = 0; START_TRANSACTION transact1 READ_ONLY; ON_ERROR EXIT(FINI_ERROR); END_ERROR request1 = NULL; request2 = NULL; request3 = NULL; FOR(TRANSACTION_HANDLE transact1 REQUEST_HANDLE request1) X IN RDB$RELATIONS SORTED BY DESC X.RDB$RELATION_NAME if (!sw_system && X.RDB$SYSTEM_FLAG) { continue; } if (!X.RDB$VIEW_BLR.NULL || !X.RDB$EXTERNAL_FILE.NULL) { continue; } if (sw_relation) { truncate_name(X.RDB$RELATION_NAME); for (relation = tddba->relations; relation; relation = relation->rel_next) if (!(strcmp(relation->rel_name, X.RDB$RELATION_NAME))) { relation->rel_id = X.RDB$RELATION_ID; break; } if (!relation) continue; } else { relation = (REL) ALLOC(sizeof(struct rel)); relation->rel_next = tddba->relations; tddba->relations = relation; relation->rel_id = X.RDB$RELATION_ID; strcpy(relation->rel_name, X.RDB$RELATION_NAME); truncate_name(relation->rel_name); } FOR(TRANSACTION_HANDLE transact1 REQUEST_HANDLE request2) Y IN RDB$PAGES WITH Y.RDB$RELATION_ID EQ relation->rel_id AND Y.RDB$PAGE_SEQUENCE EQ 0 if (Y.RDB$PAGE_TYPE == pag_pointer) { relation->rel_pointer_page = Y.RDB$PAGE_NUMBER; } if (Y.RDB$PAGE_TYPE == pag_root) { relation->rel_index_root = Y.RDB$PAGE_NUMBER; } END_FOR; ON_ERROR EXIT(FINI_ERROR); END_ERROR if (sw_index) FOR(TRANSACTION_HANDLE transact1 REQUEST_HANDLE request3) Y IN RDB$INDICES WITH Y.RDB$RELATION_NAME EQ relation->rel_name SORTED BY DESC Y.RDB$INDEX_NAME if (Y.RDB$INDEX_INACTIVE) continue; index = (DBA_IDX) ALLOC(sizeof(struct dba_idx)); index->idx_next = relation->rel_indexes; relation->rel_indexes = index; strcpy(index->idx_name, Y.RDB$INDEX_NAME); truncate_name(index->idx_name); index->idx_id = Y.RDB$INDEX_ID - 1; END_FOR; ON_ERROR EXIT(FINI_ERROR); END_ERROR END_FOR; ON_ERROR EXIT(FINI_ERROR); END_ERROR if (request1) { isc_release_request(status_vector, &request1); } if (request2) { isc_release_request(status_vector, &request2); } if (request3) { isc_release_request(status_vector, &request3); } COMMIT transact1; ON_ERROR EXIT(FINI_ERROR); END_ERROR /* FINISH; error! FINISH ON_ERROR EXIT(FINI_ERROR); END_ERROR dba_print(10, 0, 0, 0, 0, 0); /* msg 10: \nAnalyzing database pages ...\n */ for (relation = tddba->relations; relation; relation = relation->rel_next) { if (relation->rel_id == -1) { continue; } if (sw_data) { analyze_data(relation, sw_record); } for (index = relation->rel_indexes; index; index = index->idx_next) { analyze_index(relation, index); } } /* Print results */ for (relation = tddba->relations; relation; relation = relation->rel_next) { if (relation->rel_id == -1) { continue; } FPRINTF(sw_outfile, "%s (%d)\n", relation->rel_name, relation->rel_id); if (sw_data) { dba_print(11, (TEXT *) relation->rel_pointer_page, (TEXT *) relation->rel_index_root, 0, 0, 0); /* msg 11: " Primary pointer page: %ld, Index root page: %ld" */ if (sw_record) { average = (relation->rel_records) ? (double) relation->rel_record_space / relation->rel_records : 0.0; sprintf((char*) buf, "%.2f", average); FPRINTF(sw_outfile, " Average record length: %s, total records: %ld\n", buf, relation->rel_records); /* dba_print(18, buf, relation->rel_records, 0, 0, 0); *//* msg 18: " Average record length: %s, total records: %ld */ average = (relation->rel_versions) ? (double) relation->rel_version_space / relation->rel_versions : 0.0; sprintf((char*) buf, "%.2f", average); FPRINTF(sw_outfile, " Average version length: %s, total versions: %ld, max versions: %ld\n", buf, relation->rel_versions, relation->rel_max_versions); /* dba_print(19, buf, relation->rel_versions, relation->rel_max_versions, 0, 0); *//* msg 19: " Average version length: %s, total versions: %ld, max versions: %ld */ } average = (relation->rel_data_pages) ? (double) relation->rel_total_space * 100 / ((double) relation->rel_data_pages * (tddba->page_size - DPG_SIZE)) : 0; sprintf((char*) buf, "%.0f%%", average); dba_print(12, (TEXT*) relation->rel_data_pages, (TEXT*) relation->rel_slots, (TEXT*) buf, 0, 0); /* msg 12: " Data pages: %ld, data page slots: %ld, average fill: %s */ dba_print(13, 0, 0, 0, 0, 0); /* msg 13: " Fill distribution:" */ print_distribution("\t", relation->rel_fill_distribution); } FPRINTF(sw_outfile, "\n"); for (index = relation->rel_indexes; index; index = index->idx_next) { dba_print(14, index->idx_name, (TEXT *) index->idx_id, 0, 0, 0); /* msg 14: " Index %s (%d)" */ dba_print(15, (TEXT *) index->idx_depth, (TEXT *) index->idx_leaf_buckets, (TEXT *) index->idx_nodes, 0, 0); /* msg 15: \tDepth: %d, leaf buckets: %ld, nodes: %ld */ average = (index->idx_nodes) ? index->idx_data_length / index->idx_nodes : 0; sprintf((char*) buf, "%.2f", average); dba_print(16, (TEXT*) buf, (TEXT*) index->idx_total_duplicates, (TEXT*) index->idx_max_duplicates, 0, 0); /* msg 16: \tAverage data length: %s, total dup: %ld, max dup: %ld" */ dba_print(17, 0, 0, 0, 0, 0); /* msg 17: \tFill distribution: */ print_distribution("\t ", index->idx_fill_distribution); FPRINTF(sw_outfile, "\n"); } } EXIT(FINI_OK); } // try catch (...) { /* free mem */ if (status_vector[1]) { STATUS *vector; SCHAR s[1024]; #ifdef SUPERSERVER STATUS *status; int i = 0, j; status = tddba->dba_service_blk->svc_status; if (status != status_vector) { while (*status && (++i < ISC_STATUS_LENGTH)) { status++; } for (j = 0; status_vector[j] && (i < ISC_STATUS_LENGTH); j++, i++) { *status++ = status_vector[j]; } } #endif vector = status_vector; if (isc_interprete(s, &vector)) { FPRINTF(tddba->sw_outfile, "%s\n", s); s[0] = '-'; while (isc_interprete(s + 1, &vector)) { FPRINTF(tddba->sw_outfile, "%s\n", s); } } } /* if there still exists a database handle, disconnect from the * server */ FINISH; #ifdef SUPERSERVER SVC_STARTED(service); alloced = tddba->head_of_mem_list; while (alloced != 0) { free(alloced->memory); alloced = alloced->mem_next; } /* close files */ open_file = tddba->head_of_files_list; while (open_file) { db_close(open_file->desc); open_file = open_file->open_files_next; } /* free linked lists */ while (tddba->head_of_files_list != 0) { tmp1 = tddba->head_of_files_list; tddba->head_of_files_list = tddba->head_of_files_list->open_files_next; free(tmp1); } while (tddba->head_of_mem_list != 0) { tmp2 = tddba->head_of_mem_list; tddba->head_of_mem_list = tddba->head_of_mem_list->mem_next; free(tmp2); } service->svc_handle = 0; if (service->svc_service->in_use != NULL) *(service->svc_service->in_use) = FALSE; /* Mark service thread as finished and cleanup memory being * used by service in case if client detached from the service */ SVC_finish(service, SVC_finished); #endif int exit_code = tddba->exit_code; RESTORE_THREAD_DATA; #ifdef SUPERSERVER return exit_code; #else exit(exit_code); #endif } return 0; } static SCHAR *alloc( SLONG size) { /************************************** * * a l l o c * ************************************** * * Functional description * Allocate and zero a piece of memory. * **************************************/ SCHAR *block, *p; #ifdef SUPERSERVER TDBA tddba = GET_THREAD_DATA; block = p = (SCHAR*) malloc(size); if (!p) { /* NOMEM: return error */ dba_error(31, 0, 0, 0, 0, 0); } /* note: shouldn't we check for the NULL?? */ do *p++ = 0; while (--size); mem* mem_list = (mem*)malloc(sizeof(mem)); if (!mem_list) { /* NOMEM: return error */ dba_error(31, 0, 0, 0, 0, 0); } mem_list->memory = block; mem_list->mem_next = 0; if (tddba->head_of_mem_list == 0) tddba->head_of_mem_list = mem_list; else { mem_list->mem_next = tddba->head_of_mem_list; tddba->head_of_mem_list = mem_list; } #else block = p = (SCHAR*) gds__alloc(size); if (!p) { /* NOMEM: return error */ dba_error(31, 0, 0, 0, 0, 0); } do *p++ = 0; while (--size); #endif return block; } static void analyze_data( REL relation, BOOLEAN sw_record) { /************************************** * * a n a l y z e _ d a t a * ************************************** * * Functional description * Analyze data pages associated with relation. * **************************************/ PPG pointer_page; SLONG next_pp, *ptr, *end; TDBA tddba; tddba = GET_THREAD_DATA; pointer_page = (PPG) tddba->buffer1; for (next_pp = relation->rel_pointer_page; next_pp; next_pp = pointer_page->ppg_next) { move((SCHAR*) db_read(next_pp), (SCHAR*) pointer_page, tddba->page_size); for (ptr = pointer_page->ppg_page, end = ptr + pointer_page->ppg_count; ptr < end; ptr++) { ++relation->rel_slots; if (*ptr) { ++relation->rel_data_pages; if (!analyze_data_page(relation, (DPG) db_read(*ptr), sw_record)) dba_print(18, (TEXT *) * ptr, 0, 0, 0, 0); /* msg 18: " Expected data on page %ld" */ } } } } static BOOLEAN analyze_data_page( REL relation, DPG page, BOOLEAN sw_record) { /************************************** * * a n a l y z e _ d a t a _ p a g e * ************************************** * * Functional description * Analyze space utilization for data page. * **************************************/ SSHORT bucket, space; RHDF header; TDBA tddba; struct dpg::dpg_repeat *tail, *end; tddba = GET_THREAD_DATA; if (page->dpg_header.pag_type != pag_data) return FALSE; if (sw_record) { move((SCHAR*) page, (SCHAR*) tddba->buffer2, tddba->page_size); page = (DPG) tddba->buffer2; } space = page->dpg_count * sizeof(struct dpg::dpg_repeat); for (tail = page->dpg_rpt, end = tail + page->dpg_count; tail < end; tail++) if (tail->dpg_offset && tail->dpg_length) { space += tail->dpg_length; if (sw_record) { header = (RHDF) ((SCHAR *) page + tail->dpg_offset); if (! (header-> rhdf_flags & (rhd_blob | rhd_chain | rhd_fragment))) { ++relation->rel_records; relation->rel_record_space += tail->dpg_length; if (header->rhdf_flags & rhd_incomplete) { relation->rel_record_space -= RHDF_SIZE; relation->rel_record_space += analyze_fragments(relation, header); } else relation->rel_record_space -= RHD_SIZE; if (header->rhdf_b_page) relation->rel_version_space += analyze_versions(relation, header); } } } relation->rel_total_space += space; bucket = (space * BUCKETS) / (tddba->page_size - DPG_SIZE); if (bucket == BUCKETS) --bucket; ++relation->rel_fill_distribution[bucket]; return TRUE; } static ULONG analyze_fragments( REL relation, RHDF header) { /************************************** * * a n a l y z e _ f r a g m e n t s * ************************************** * * Functional description * Analyze space used by a record's fragments. * **************************************/ ULONG space; SLONG f_page; USHORT f_line; TDBA tddba; DPG page; struct dpg::dpg_repeat *index; tddba = GET_THREAD_DATA; space = 0; while (header->rhdf_flags & rhd_incomplete) { f_page = header->rhdf_f_page; f_line = header->rhdf_f_line; page = (DPG) db_read(f_page); if (page->dpg_header.pag_type != pag_data || page->dpg_relation != relation->rel_id || page->dpg_count <= f_line) break; index = &page->dpg_rpt[f_line]; if (!index->dpg_offset) break; space += index->dpg_length; space -= RHDF_SIZE; header = (RHDF) ((SCHAR *) page + index->dpg_offset); } return space; } static void analyze_index( REL relation, DBA_IDX index) { /************************************** * * a n a l y z e _ i n d e x * ************************************** * * Functional description * **************************************/ BTR bucket; IRT index_root; BTN node; SSHORT space, duplicates, key_length, l, dup, n; UCHAR key[256], *p, *q; SLONG number, page; TDBA tddba; tddba = GET_THREAD_DATA; index_root = (IRT) db_read(relation->rel_index_root); if (index_root->irt_count <= index->idx_id || !(page = index_root->irt_rpt[index->idx_id].irt_root)) return; bucket = (BTR) db_read(page); index->idx_depth = bucket->btr_level + 1; while (bucket->btr_level) { move((SCHAR*) bucket->btr_nodes[0].btn_number, (SCHAR*) &page, sizeof(page)); bucket = (BTR) db_read(page); } duplicates = 0; key_length = 0; for (;;) { ++index->idx_leaf_buckets; for (node = bucket->btr_nodes;; node = (BTN) (node->btn_data + node->btn_length)) { move((SCHAR*) node->btn_number, (SCHAR*) &number, sizeof(number)); #ifdef IGNORE_NULL_IDX_KEY /* ignore this node and go to the next one */ if (number == END_NON_NULL) continue; #endif /* IGNORE_NULL_IDX_KEY */ if (number == END_LEVEL || number == END_BUCKET) break; ++index->idx_nodes; index->idx_data_length += node->btn_length; l = node->btn_length + node->btn_prefix; if (node == bucket->btr_nodes) dup = key_equality(key_length, (SCHAR*) key, node); else dup = !node->btn_length && l == key_length; if (dup) { ++index->idx_total_duplicates; ++duplicates; } else { if (duplicates > index->idx_max_duplicates) index->idx_max_duplicates = duplicates; duplicates = 0; } key_length = l; if (l = node->btn_length) { p = key + node->btn_prefix; q = node->btn_data; do *p++ = *q++; while (--l); } } if (duplicates > index->idx_max_duplicates) index->idx_max_duplicates = duplicates; space = bucket->btr_length - OFFSETA(BTR, btr_nodes); n = (space * BUCKETS) / (tddba->page_size - OFFSETA(BTR, btr_nodes)); if (n == BUCKETS) --n; ++index->idx_fill_distribution[n]; if (number == END_LEVEL) break; number = page; page = bucket->btr_sibling; bucket = (BTR) db_read(page); if (bucket->btr_header.pag_type != pag_index) { dba_print(19, (TEXT *) page, (TEXT *) number, 0, 0, 0); /* mag 19: " Expected b-tree bucket on page %ld from %ld" */ break; } } } static ULONG analyze_versions( REL relation, RHDF header) { /************************************** * * a n a l y z e _ v e r s i o n s * ************************************** * * Functional description * Analyze space used by a record's back versions. * **************************************/ ULONG space, versions; SLONG b_page; USHORT b_line; TDBA tddba; DPG page; struct dpg::dpg_repeat *index; tddba = GET_THREAD_DATA; space = versions = 0; b_page = header->rhdf_b_page; b_line = header->rhdf_b_line; while (b_page) { page = (DPG) db_read(b_page); if (page->dpg_header.pag_type != pag_data || page->dpg_relation != relation->rel_id || page->dpg_count <= b_line) break; index = &page->dpg_rpt[b_line]; if (!index->dpg_offset) break; space += index->dpg_length; ++relation->rel_versions; ++versions; header = (RHDF) ((SCHAR *) page + index->dpg_offset); b_page = header->rhdf_b_page; b_line = header->rhdf_b_line; if (header->rhdf_flags & rhd_incomplete) { space -= RHDF_SIZE; space += analyze_fragments(relation, header); } else space -= RHD_SIZE; } if (versions > relation->rel_max_versions) relation->rel_max_versions = versions; return space; } #ifdef NETWARE_386 static void db_close( int file_desc) { /************************************** * * d b _ c l o s e ( N E T W A R E _ 3 8 6 ) * ************************************** * * Functional description * Close an open file * **************************************/ close(file_desc); } static void db_error( int status) { /************************************** * * d b _ e r r o r ( N E T W A R E _ 3 8 6 ) * ************************************** * * Functional description * **************************************/ SCHAR *p; TDBA tddba; tddba = GET_THREAD_DATA; tddba->page_number = -1; FPRINTF(tddba->sw_outfile, "%s\n", sys_errlist[status]); EXIT(FINI_ERROR); } static DBA_FIL db_open( UCHAR * file_name, USHORT file_length) { /************************************** * * d b _ o p e n ( N E T W A R E _ 3 8 6 ) * ************************************** * * Functional description * Open a database file. * **************************************/ DBA_FIL fil; open_files *file_list; TEXT expanded_filename[256]; TDBA tddba; tddba = GET_THREAD_DATA; ISC_expand_filename(file_name, file_length, expanded_filename); if (tddba->files) { for (fil = tddba->files; fil->fil_next; fil = fil->fil_next); fil->fil_next = (DBA_FIL) ALLOC(sizeof(struct dba_fil) + strlen((char*) expanded_filename) + 1); fil->fil_next->fil_min_page = fil->fil_max_page + 1; fil = fil->fil_next; } else { /* empty list */ fil = tddba->files = (DBA_FIL) ALLOC(sizeof(struct dba_fil) + strlen((char*) expanded_filename) + 1); MOVE_CLEAR(tddba_files, sizeof(struct dba_fil)); fil->fil_min_page = 0L; } fil->fil_next = NULL; strcpy((char*) fil->fil_string, (char*) expanded_filename); fil->fil_length = strlen((char*) expanded_filename); fil->fil_fudge = 0; fil->fil_max_page = 0L; if ( (fil->fil_desc = FEsopen(expanded_filename, O_RDONLY | O_BINARY, SH_DENYNO, 0, 0, PrimaryDataStream)) == -1) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 29, isc_arg_string, expanded_filename, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 29: Can't open database file %s */ #endif db_error(errno); } if (!(file_list = malloc(sizeof(*file_list)))) { /* NOMEM: return error */ dba_error(31, 0, 0, 0, 0, 0); } file_list->desc = fil->fil_desc; file_list->open_files_next = 0; if (tddba->head_of_files_list == 0) tddba->head_of_files_list = file_list; else { file_list->open_files_next = tddba->head_of_files_list; tddba->head_of_files_list = file_list; } return fil; } static PAG db_read( SLONG page_number) { /************************************** * * d b _ r e a d ( N E T W A R E _ 3 8 6 ) * ************************************** * * Functional description * Read a database page. * **************************************/ SCHAR *p; SSHORT length, l; DBA_FIL fil; TDBA tddba; UINT64 offset; tddba = GET_THREAD_DATA; if (tddba->page_number == page_number) return tddba->global_buffer; tddba->page_number = page_number; for (fil = tddba->files; page_number > fil->fil_max_page && fil->fil_next;) fil = fil->fil_next; page_number -= fil->fil_min_page - fil->fil_fudge; offset = ((UINT64)page_number) * ((UINT64)tddba->page_size); if (lseek (fil->fil_desc, offset, 0) == -1) #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 30, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 30: Can't read a database page */ #endif db_error(errno); } for (p = (SCHAR *) tddba->global_buffer, length = tddba->page_size; length > 0;) { l = read(fil->fil_desc, p, length); if (l <= 0) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 30, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 30: Can't read a database page */ #endif db_error(errno); } p += l; length -= l; } return tddba->global_buffer; } #endif #ifdef WIN_NT static void db_close( int file_desc) { /************************************** * * d b _ c l o s e ( W I N _ N T ) * ************************************** * * Functional description * Close an open file * **************************************/ CloseHandle((HANDLE) file_desc); } static void db_error( SLONG status) { /************************************** * * d b _ e r r o r ( W I N _ N T ) * ************************************** * * Functional description * **************************************/ TEXT s[128]; TDBA tddba; tddba = GET_THREAD_DATA; tddba->page_number = -1; if (!FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, status, GetUserDefaultLangID(), s, sizeof(s), NULL)) sprintf(s, "unknown Windows NT error %ld", status); FPRINTF(tddba->sw_outfile, "%s\n", s); EXIT(FINI_ERROR); } static DBA_FIL db_open( UCHAR * file_name, USHORT file_length) { /************************************** * * d b _ o p e n ( W I N _ N T ) * ************************************** * * Functional description * Open a database file. * **************************************/ TDBA tddba = GET_THREAD_DATA; DBA_FIL fil; if (tddba->files) { for (fil = tddba->files; fil->fil_next; fil = fil->fil_next); fil->fil_next = (DBA_FIL) ALLOC(sizeof(struct dba_fil) + strlen((char*) file_name) + 1); fil->fil_next->fil_min_page = fil->fil_max_page + 1; fil = fil->fil_next; } else { /* empty list */ fil = tddba->files = (DBA_FIL) ALLOC(sizeof(struct dba_fil) + strlen((char*) file_name) + 1); fil->fil_min_page = 0L; } fil->fil_next = NULL; strcpy(fil->fil_string, (char*) file_name); fil->fil_length = strlen((char*) file_name); fil->fil_fudge = 0; fil->fil_max_page = 0L; fil->fil_desc = CreateFile( reinterpret_cast(file_name), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, 0); if (fil->fil_desc == INVALID_HANDLE_VALUE) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 29, isc_arg_string, file_name, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 29: Can't open database file %s */ #endif db_error(GetLastError()); } #ifdef SUPERSERVER open_files* file_list = reinterpret_cast(malloc(sizeof(*file_list))); if (!file_list) { /* NOMEM: return error */ dba_error(31, 0, 0, 0, 0, 0); } file_list->desc = reinterpret_cast(fil->fil_desc); file_list->open_files_next = 0; if (tddba->head_of_files_list == 0) tddba->head_of_files_list = file_list; else { file_list->open_files_next = tddba->head_of_files_list; tddba->head_of_files_list = file_list; } #endif return fil; } static PAG db_read( SLONG page_number) { /************************************** * * d b _ r e a d ( W I N _ N T ) * ************************************** * * Functional description * Read a database page. * **************************************/ SLONG actual_length; DBA_FIL fil; TDBA tddba; LARGE_INTEGER liOffset; tddba = GET_THREAD_DATA; if (tddba->page_number == page_number) return tddba->global_buffer; tddba->page_number = page_number; for (fil = tddba->files; page_number > fil->fil_max_page && fil->fil_next;) fil = fil->fil_next; page_number -= fil->fil_min_page - fil->fil_fudge; liOffset.QuadPart = UInt32x32To64((DWORD) page_number, (DWORD) tddba->page_size); if (SetFilePointer (fil->fil_desc, (LONG) liOffset.LowPart, &liOffset.HighPart, FILE_BEGIN) == -1) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 30, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 30: Can't read a database page */ #endif db_error(GetLastError()); } if (!ReadFile( fil->fil_desc, tddba->global_buffer, tddba->page_size, reinterpret_cast(&actual_length), NULL)) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 30, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 30: Can't read a database page */ #endif db_error(GetLastError()); } if (actual_length != tddba->page_size) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 4, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); #endif dba_error(4, 0, 0, 0, 0, 0); /* msg 4: Unexpected end of database file. */ } return tddba->global_buffer; } #endif #ifndef NETWARE_386 #ifndef WIN_NT static void db_close( int file_desc) { /************************************** * * d b _ c l o s e * ************************************** * * Functional description * Close an open file * **************************************/ close(file_desc); } static void db_error( int status) { /************************************** * * d b _ e r r o r * ************************************** * * Functional description * **************************************/ SCHAR *p; TDBA tddba; tddba = GET_THREAD_DATA; tddba->page_number = -1; #ifndef VMS FPRINTF(tddba->sw_outfile, "%s\n", sys_errlist[status]); #else if ((p = strerror(status)) || (p = strerror(EVMSERR, status))) FPRINTF(tddba->sw_outfile, "%s\n", p); else FPRINTF(tddba->sw_outfile, "uninterpreted code %x\n", status); #endif EXIT(FINI_ERROR); } static DBA_FIL db_open( UCHAR * file_name, USHORT file_length) { /************************************** * * d b _ o p e n * ************************************** * * Functional description * Open a database file. * Put the file on an ordered list. * **************************************/ DBA_FIL fil; TDBA tddba; #ifdef SUPERSERVER open_files *file_list; #endif tddba = GET_THREAD_DATA; if (tddba->files) { for (fil = tddba->files; fil->fil_next; fil = fil->fil_next); fil->fil_next = (DBA_FIL) ALLOC(sizeof(struct dba_fil) + strlen((char*) file_name) + 1); fil->fil_next->fil_min_page = fil->fil_max_page + 1; fil = fil->fil_next; } else { /* empty list */ fil = tddba->files = (DBA_FIL) ALLOC(sizeof(struct dba_fil) + strlen((char*) file_name) + 1); fil->fil_min_page = 0L; } fil->fil_next = NULL; strcpy(fil->fil_string, (char*) file_name); fil->fil_length = strlen((char*) file_name); fil->fil_fudge = 0; fil->fil_max_page = 0L; if ((fil->fil_desc = open((char*)file_name, O_RDONLY)) == -1) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 29, isc_arg_string, file_name, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 29: Can't open database file %s */ #endif db_error(errno); } #ifdef SUPERSERVER if (!(file_list = malloc(sizeof(*file_list)))) { /* NOMEM: return error */ dba_error(31, 0, 0, 0, 0, 0); } file_list->desc = fil->fil_desc; file_list->open_files_next = 0; if (tddba->head_of_files_list == 0) tddba->head_of_files_list = file_list; else { file_list->open_files_next = tddba->head_of_files_list; tddba->head_of_files_list = file_list; } #endif return fil; } static PAG db_read( SLONG page_number) { /************************************** * * d b _ r e a d * ************************************** * * Functional description * Read a database page. * **************************************/ SCHAR *p; SSHORT length, l; DBA_FIL fil; TDBA tddba; UINT64 offset; tddba = GET_THREAD_DATA; if (tddba->page_number == page_number) return tddba->global_buffer; tddba->page_number = page_number; for (fil = tddba->files; page_number > fil->fil_max_page && fil->fil_next;) fil = fil->fil_next; page_number -= fil->fil_min_page - fil->fil_fudge; offset = ((UINT64)page_number) * ((UINT64)tddba->page_size); if (lseek (fil->fil_desc, offset, 0) == -1) #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 30, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 30: Can't read a database page */ #endif db_error(errno); } for (p = (SCHAR *) tddba->global_buffer, length = tddba->page_size; length > 0;) { l = read(fil->fil_desc, p, length); if (l < 0) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 30, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); /* msg 30: Can't read a database page */ #endif db_error(errno); } if (!l) { #ifdef SUPERSERVER CMD_UTIL_put_svc_status(tddba->dba_service_blk->svc_status, GSTAT_MSG_FAC, 4, 0, NULL, 0, NULL, 0, NULL, 0, NULL, 0, NULL); #endif dba_error(4, 0, 0, 0, 0, 0); /* msg 4: Unexpected end of database file. */ } p += l; length -= l; } return tddba->global_buffer; } #endif #endif static void dba_error( USHORT errcode, TEXT * arg1, TEXT * arg2, TEXT * arg3, TEXT * arg4, TEXT * arg5) { /************************************** * * d b a _ e r r o r * ************************************** * * Functional description * Format and print an error message, then punt. * **************************************/ TDBA tddba; tddba = GET_THREAD_DATA; tddba->page_number = -1; dba_print(errcode, arg1, arg2, arg3, arg4, arg5); EXIT(FINI_ERROR); } static void dba_print( USHORT number, TEXT * arg1, TEXT * arg2, TEXT * arg3, TEXT * arg4, TEXT * arg5) { /************************************** * * d b a _ p r i n t * ************************************** * * Functional description * Retrieve a message from the error file, format it, and print it. * **************************************/ TEXT buffer[256]; TDBA tddba; tddba = GET_THREAD_DATA; gds__msg_format(NULL_PTR, GSTAT_MSG_FAC, number, sizeof(buffer), buffer, arg1, arg2, arg3, arg4, arg5); TRANSLATE_CP(buffer); FPRINTF(tddba->sw_outfile, "%s\n", buffer); } static BOOLEAN key_equality( SSHORT length, SCHAR * key, BTN node) { /************************************** * * k e y _ e q u a l i t y * ************************************** * * Functional description * Check a B-tree node against a key for equality. * **************************************/ SSHORT l; SCHAR *p; if (length != node->btn_length + node->btn_prefix) return FALSE; if (!(l = node->btn_length)) return TRUE; p = (SCHAR *) node->btn_data; key += node->btn_prefix; do if (*p++ != *key++) return FALSE; while (--l); return TRUE; } static void move( SCHAR * from, SCHAR * to, SSHORT length) { /************************************** * * m o v e * ************************************** * * Functional description * Move some stuff. * **************************************/ memcpy(to, from, (int) length); } static void print_distribution( SCHAR * prefix, SLONG * vector) { /************************************** * * p r i n t _ d i s t r i b u t i o n * ************************************** * * Functional description * Print distribution as percentages. * **************************************/ SSHORT n; TDBA tddba; tddba = GET_THREAD_DATA; for (n = 0; n < BUCKETS; n++) { FPRINTF(tddba->sw_outfile, "%s%2d - %2d%% = %ld\n", prefix, n * 100 / BUCKETS, (n + 1) * 100 / BUCKETS - 1, vector[n]); } } static void truncate_name( SCHAR * string) { /************************************** * * t r u n c a t e _ n a m e * ************************************** * * Functional description * Zap trailing blanks. * CVC: But only "trailing", not embedded blanks. * **************************************/ SCHAR* tail; for (tail = string - 1; *string; ++string) if (*string != ' ') tail = string; *++tail = 0; }