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Commit | Line | Data |
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0966656e | 1 | /* $Header$ |
2 | * | |
3 | * This generates a list of how many lockers are on each NFS server | |
4 | * for statistics gathering purposes. | |
5 | * | |
6 | * (c) Copyright 1991 by the Massachusetts Institute of Technology. | |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
9 | */ | |
10 | ||
11 | #include <mit-copyright.h> | |
12 | #include <stdio.h> | |
13 | #include <moira.h> | |
14 | #include <moira_site.h> | |
15 | #include <sys/types.h> | |
16 | #include <sys/stat.h> | |
17 | #include <sys/time.h> | |
18 | #include <strings.h> | |
19 | EXEC SQL INCLUDE sqlca; | |
20 | ||
21 | extern int errno; | |
22 | char *whoami = "stats.gen"; | |
23 | ||
24 | ||
25 | main(argc, argv) | |
26 | int argc; | |
27 | char **argv; | |
28 | { | |
29 | FILE *out = stdout; | |
30 | char *outf = NULL, outft[64]; | |
31 | struct stat sb; | |
32 | int flag1, flag2, flag3; | |
33 | struct hash *machines; | |
34 | EXEC SQL BEGIN DECLARE SECTION; | |
35 | char name[257]; | |
36 | int n, id; | |
37 | EXEC SQL END DECLARE SECTION; | |
38 | ||
39 | #ifsql INGRES | |
968f523c | 40 | EXEC SQL CONNECT moira; |
41 | EXEC SQL SET LOCKMODE SESSION WHERE LEVEL=TABLE, READLOCK=SHARED; | |
0966656e | 42 | #endsql |
43 | #ifsql INFORMIX | |
968f523c | 44 | EXEC SQL DATABASE moira; |
0966656e | 45 | #endsql |
46 | ||
47 | if (argc == 2) { | |
48 | if (stat(argv[1], &sb) == 0) { | |
49 | if (ModDiff (&flag1, "machine", sb.st_mtime) == 0 && | |
50 | ModDiff (&flag2, "filesys", sb.st_mtime) == 0 && | |
51 | ModDiff (&flag3, "nfsphys", sb.st_mtime) == 0 && | |
52 | flag1 < 0 && flag2 < 0 && flag3 < 0) { | |
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")) == NULL) { | |
61 | fprintf(stderr, "unable to open %s for output\n", outf); | |
62 | exit(MR_OCONFIG); | |
63 | } | |
64 | } else if (argc != 1) { | |
65 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
66 | exit(MR_ARGS); | |
67 | } else { | |
68 | outf = NULL; | |
69 | } | |
70 | ||
968f523c | 71 | /* The following is declarative, not executed, |
72 | * and so is dependent on where it is in the file, | |
73 | * not in the order of execution of statements. | |
74 | */ | |
0966656e | 75 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; |
76 | ||
741abed8 | 77 | EXEC SQL SELECT modtime INTO :name FROM filesys WHERE filsys_id = 0; |
78 | EXEC SQL SELECT modtime INTO :name FROM machine WHERE mach_id = 0; | |
79 | ||
80 | ||
0966656e | 81 | machines = create_hash(1000); |
82 | ||
741abed8 | 83 | |
84 | ||
0966656e | 85 | EXEC SQL DECLARE m CURSOR FOR |
86 | SELECT mach_id, name | |
87 | FROM machine; | |
88 | EXEC SQL OPEN m; | |
89 | while (1) { | |
90 | EXEC SQL FETCH m INTO :id, :name; | |
91 | if (sqlca.sqlcode != 0) break; | |
92 | hash_store(machines, id, strsave(name)); | |
93 | } | |
94 | EXEC SQL CLOSE m; | |
95 | ||
96 | EXEC SQL DECLARE x CURSOR FOR | |
97 | SELECT DISTINCT f.mach_id, count(f.filsys_id) | |
98 | FROM filesys f | |
968f523c | 99 | WHERE f.type='NFS' |
0966656e | 100 | GROUP BY f.mach_id; |
101 | EXEC SQL OPEN x; | |
102 | while (1) { | |
103 | EXEC SQL FETCH x INTO :id, :n; | |
104 | if (sqlca.sqlcode != 0) break; | |
968f523c | 105 | fprintf(out, "%-32s %d\n", hash_lookup(machines, id), n); |
0966656e | 106 | } |
107 | EXEC SQL CLOSE x; | |
108 | ||
109 | #ifsql INGRES | |
110 | EXEC SQL DISCONNECT; | |
111 | #endsql | |
112 | #ifsql INFORMIX | |
113 | EXEC SQL CLOSE DATABASE; | |
114 | #endsql | |
115 | ||
116 | if (fclose(out)) { | |
117 | perror("close failed"); | |
118 | exit(MR_CCONFIG); | |
119 | } | |
120 | if (outf) | |
121 | fix_file(outf); | |
122 | exit(MR_SUCCESS); | |
123 | ||
124 | sqlerr: | |
125 | com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); | |
dcc259bc | 126 | #ifsql INGRES |
127 | if (sqlca.sqlcode == 17700 || sqlca.sqlcode == -37000) | |
128 | exit(MR_DEADLOCK); | |
129 | #endsql | |
741abed8 | 130 | critical_alert("DCM", "Stats build encountered INGRES ERROR %d", |
0966656e | 131 | sqlca.sqlcode); |
132 | exit(MR_INGRES_ERR); | |
133 | } |