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Commit | Line | Data |
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ff4ac895 | 1 | /* $Header$ |
2 | * | |
3 | * This generates the network table. | |
4 | * | |
5 | * (c) Copyright 1994 by the Massachusetts Institute of Technology. | |
6 | * For copying and distribution information, please see the file | |
7 | * <mit-copyright.h>. | |
8 | */ | |
9 | ||
10 | #include <mit-copyright.h> | |
11 | #include <stdio.h> | |
12 | #include <moira.h> | |
13 | #include <sys/types.h> | |
14 | #include <sys/stat.h> | |
15 | #include <sys/time.h> | |
9c04b191 | 16 | #include <netinet/in.h> |
ff4ac895 | 17 | |
18 | EXEC SQL INCLUDE sqlca; | |
19 | ||
20 | extern int errno; | |
21 | char *whoami = "network.gen"; | |
9c04b191 | 22 | char *db = "moira/moira"; |
ff4ac895 | 23 | |
24 | main(argc, argv) | |
25 | int argc; | |
26 | char **argv; | |
27 | { | |
28 | FILE *out = stdout; | |
29 | char *outf = NULL, outft[64], *p, buf[256]; | |
30 | struct stat sb; | |
31 | struct timeval now; | |
9c04b191 | 32 | struct in_addr addr; |
ff4ac895 | 33 | int flag1, i; |
34 | EXEC SQL BEGIN DECLARE SECTION; | |
9c04b191 | 35 | int id, saddr; |
ff4ac895 | 36 | char name[65], description[65]; |
37 | EXEC SQL END DECLARE SECTION; | |
38 | ||
9c04b191 | 39 | EXEC SQL CONNECT :db; |
ff4ac895 | 40 | |
41 | if (argc == 2) { | |
42 | if (stat(argv[1], &sb) == 0) { | |
43 | if (ModDiff(&flag1, "subnet", sb.st_mtime)) | |
44 | exit(MR_DATE); | |
45 | if (flag1 < 0) { | |
46 | fprintf(stderr, "File %s does not need to be rebuilt.\n", | |
47 | argv[1]); | |
48 | exit(MR_NO_CHANGE); | |
49 | } | |
50 | } | |
51 | outf = argv[1]; | |
52 | sprintf(outft, "%s~", outf); | |
53 | if ((out = fopen(outft, "w")) == NULL) { | |
54 | fprintf(stderr, "unable to open %s for output\n", outf); | |
55 | exit(MR_OCONFIG); | |
56 | } | |
57 | } else if (argc != 1) { | |
58 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
59 | exit(MR_ARGS); | |
60 | } else { | |
61 | outf = NULL; | |
62 | } | |
63 | ||
64 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; | |
65 | ||
66 | gettimeofday(&now, NULL); | |
67 | ||
68 | fprintf(out, "; MIT Network Table\n;\n"); | |
69 | fprintf(out, "; \t%cAuthor: $\n", '$'); | |
70 | fprintf(out, "; \t%cDate: $\n", '$'); | |
71 | fprintf(out, "; \t%cRevision: $\n;\n", '$'); | |
72 | fprintf(out, "; Network table generated by Moira at %s;\n", | |
73 | ctime(&now.tv_sec)); | |
74 | ||
75 | EXEC SQL DECLARE x CURSOR FOR SELECT | |
76 | name, snet_id, saddr, description | |
77 | FROM subnet ORDER BY saddr; | |
78 | EXEC SQL OPEN x; | |
79 | while (1) { | |
9c04b191 | 80 | EXEC SQL FETCH x INTO :name, :id, :saddr, :description; |
ff4ac895 | 81 | if (sqlca.sqlcode != 0) break; |
82 | if (id == 0) continue; | |
83 | if (*strtrim(name) == 0) continue; | |
9c04b191 | 84 | addr.s_addr=htonl(saddr); |
85 | fprintf(out, "NETWORK : %-16.16s : %-12.12s : %s\n", name, | |
86 | inet_ntoa(addr), | |
87 | strtrim(description)); | |
ff4ac895 | 88 | } |
89 | ||
90 | EXEC SQL CLOSE x; | |
9c04b191 | 91 | |
92 | EXEC SQL COMMIT; | |
ff4ac895 | 93 | |
94 | fprintf(out, "; End of automatically generated network table\n"); | |
95 | if (fclose(out)) { | |
96 | perror("close failed"); | |
97 | exit(MR_CCONFIG); | |
98 | } | |
99 | if (outf) | |
100 | fix_file(outf); | |
101 | exit(MR_SUCCESS); | |
102 | ||
103 | sqlerr: | |
9c04b191 | 104 | db_error(sqlca.sqlcode); |
105 | exit(MR_DBMS_ERR); | |
ff4ac895 | 106 | } |