From ff4ac895c47acd0bc14ea3abe53a0a5a25e3f790 Mon Sep 17 00:00:00 2001 From: tom Date: Fri, 14 Jan 1994 16:02:02 +0000 Subject: [PATCH] Initial revision --- gen/networks.dc | 118 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 gen/networks.dc diff --git a/gen/networks.dc b/gen/networks.dc new file mode 100644 index 00000000..63cfbfc0 --- /dev/null +++ b/gen/networks.dc @@ -0,0 +1,118 @@ +/* $Header$ + * + * This generates the network table. + * + * (c) Copyright 1994 by the Massachusetts Institute of Technology. + * For copying and distribution information, please see the file + * . + */ + +#include +#include +#include +#include +#include +#include + +EXEC SQL INCLUDE sqlca; + +extern int errno; +char *whoami = "network.gen"; + + +main(argc, argv) +int argc; +char **argv; +{ + FILE *out = stdout; + char *outf = NULL, outft[64], *p, buf[256]; + struct stat sb; + struct timeval now; + int flag1, i; + EXEC SQL BEGIN DECLARE SECTION; + int id, addr; + char name[65], description[65]; + EXEC SQL END DECLARE SECTION; + +#ifsql INGRES + EXEC SQL CONNECT moira; + EXEC SQL SET LOCKMODE SESSION WHERE LEVEL=TABLE, READLOCK=SHARED; +#endsql +#ifsql INFORMIX + EXEC SQL DATABASE moira; +#endsql + + if (argc == 2) { + if (stat(argv[1], &sb) == 0) { + if (ModDiff(&flag1, "subnet", sb.st_mtime)) + exit(MR_DATE); + if (flag1 < 0) { + fprintf(stderr, "File %s does not need to be rebuilt.\n", + argv[1]); + exit(MR_NO_CHANGE); + } + } + outf = argv[1]; + sprintf(outft, "%s~", outf); + if ((out = fopen(outft, "w")) == NULL) { + fprintf(stderr, "unable to open %s for output\n", outf); + exit(MR_OCONFIG); + } + } else if (argc != 1) { + fprintf(stderr, "usage: %s [outfile]\n", argv[0]); + exit(MR_ARGS); + } else { + outf = NULL; + } + + EXEC SQL WHENEVER SQLERROR GOTO sqlerr; + + gettimeofday(&now, NULL); + + fprintf(out, "; MIT Network Table\n;\n"); + fprintf(out, "; \t%cAuthor: $\n", '$'); + fprintf(out, "; \t%cDate: $\n", '$'); + fprintf(out, "; \t%cRevision: $\n;\n", '$'); + fprintf(out, "; Network table generated by Moira at %s;\n", + ctime(&now.tv_sec)); + + EXEC SQL DECLARE x CURSOR FOR SELECT + name, snet_id, saddr, description + FROM subnet ORDER BY saddr; + EXEC SQL OPEN x; + while (1) { + EXEC SQL FETCH x INTO :name, :id, :addr, :description; + if (sqlca.sqlcode != 0) break; + if (id == 0) continue; + if (*strtrim(name) == 0) continue; + fprintf(out, "NETWORK : %-16.16s : %-13.13s : %s \n", name, inet_ntoa(htonl(addr)), + description); + } + + EXEC SQL CLOSE x; +#ifsql INGRES + EXEC SQL DISCONNECT; +#endsql +#ifsql INFORMIX + EXEC SQL CLOSE DATABASE; +#endsql + + fprintf(out, "; End of automatically generated network table\n"); + if (fclose(out)) { + perror("close failed"); + exit(MR_CCONFIG); + } + if (outf) + fix_file(outf); + exit(MR_SUCCESS); + + sqlerr: + com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); +#ifsql INGRES + if (sqlca.sqlcode == 17700 || sqlca.sqlcode == -37000) + exit(MR_DEADLOCK); +#endsql + critical_alert("DCM", "Networks build encountered INGRES ERROR %d", + sqlca.sqlcode); + exit(MR_INGRES_ERR); +} -- 2.45.2