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Commit | Line | Data |
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1 | /* $Id$ | |
2 | * | |
3 | * This generates the network table. | |
4 | * | |
5 | * Copyright (C) 1994-1998 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 <moira.h> | |
12 | ||
13 | #include <sys/stat.h> | |
14 | ||
15 | #include <netinet/in.h> | |
16 | #include <arpa/inet.h> | |
17 | ||
18 | #include <stdio.h> | |
19 | #include <time.h> | |
20 | ||
21 | #include "util.h" | |
22 | ||
23 | EXEC SQL INCLUDE sqlca; | |
24 | ||
25 | RCSID("$Header$"); | |
26 | ||
27 | char *whoami = "network.gen"; | |
28 | char *db = "moira/moira"; | |
29 | ||
30 | int main(int argc, char **argv) | |
31 | { | |
32 | FILE *out = stdout; | |
33 | char *outf = NULL, outft[MAXPATHLEN]; | |
34 | struct stat sb; | |
35 | struct timeval now; | |
36 | struct in_addr addr; | |
37 | int flag1; | |
38 | EXEC SQL BEGIN DECLARE SECTION; | |
39 | int id, saddr; | |
40 | char name[SUBNET_NAME_SIZE], description[SUBNET_DESCRIPTION_SIZE]; | |
41 | EXEC SQL END DECLARE SECTION; | |
42 | ||
43 | EXEC SQL CONNECT :db; | |
44 | ||
45 | if (argc == 2) | |
46 | { | |
47 | if (stat(argv[1], &sb) == 0) | |
48 | { | |
49 | if (ModDiff(&flag1, "subnet", sb.st_mtime)) | |
50 | exit(MR_DATE); | |
51 | if (flag1 < 0) | |
52 | { | |
53 | fprintf(stderr, "File %s does not need to be rebuilt.\n", | |
54 | argv[1]); | |
55 | exit(MR_NO_CHANGE); | |
56 | } | |
57 | } | |
58 | outf = argv[1]; | |
59 | sprintf(outft, "%s~", outf); | |
60 | if (!(out = fopen(outft, "w"))) | |
61 | { | |
62 | fprintf(stderr, "unable to open %s for output\n", outf); | |
63 | exit(MR_OCONFIG); | |
64 | } | |
65 | } | |
66 | else if (argc != 1) | |
67 | { | |
68 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
69 | exit(MR_ARGS); | |
70 | } | |
71 | else | |
72 | outf = NULL; | |
73 | ||
74 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; | |
75 | ||
76 | gettimeofday(&now, NULL); | |
77 | ||
78 | fprintf(out, "; MIT Network Table\n;\n"); | |
79 | fprintf(out, "; \t%cAuthor: $\n", '$'); | |
80 | fprintf(out, "; \t%cDate: $\n", '$'); | |
81 | fprintf(out, "; \t%cRevision: $\n;\n", '$'); | |
82 | fprintf(out, "; Network table generated by Moira at %s;\n", | |
83 | ctime(&now.tv_sec)); | |
84 | ||
85 | EXEC SQL DECLARE x CURSOR FOR SELECT | |
86 | name, snet_id, saddr, description | |
87 | FROM subnet ORDER BY saddr; | |
88 | EXEC SQL OPEN x; | |
89 | while (1) | |
90 | { | |
91 | EXEC SQL FETCH x INTO :name, :id, :saddr, :description; | |
92 | if (sqlca.sqlcode) | |
93 | break; | |
94 | if (id == 0) | |
95 | continue; | |
96 | if (!*strtrim(name)) | |
97 | continue; | |
98 | addr.s_addr = htonl(saddr); | |
99 | fprintf(out, "NETWORK : %-16.16s : %-12.12s : %s\n", name, | |
100 | inet_ntoa(addr), strtrim(description)); | |
101 | } | |
102 | ||
103 | EXEC SQL CLOSE x; | |
104 | ||
105 | EXEC SQL COMMIT; | |
106 | ||
107 | fprintf(out, "; End of automatically generated network table\n"); | |
108 | if (fclose(out)) | |
109 | { | |
110 | perror("close failed"); | |
111 | exit(MR_CCONFIG); | |
112 | } | |
113 | if (outf) | |
114 | fix_file(outf); | |
115 | exit(MR_SUCCESS); | |
116 | ||
117 | sqlerr: | |
118 | db_error(sqlca.sqlcode); | |
119 | exit(MR_DBMS_ERR); | |
120 | } |