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1 | /* $Header$ | |
2 | * | |
3 | * Moira database consistency checker | |
4 | * | |
5 | * (c) Copyright 1988 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 <string.h> | |
13 | #include <signal.h> | |
14 | #include "dbck.h" | |
15 | EXEC SQL INCLUDE sqlca; | |
16 | EXEC SQL INCLUDE sqlda; | |
17 | ||
18 | static char dbck_qc_rcsid[] = "$Header$"; | |
19 | ||
20 | ||
21 | int debug = 0; | |
22 | int mode = MODE_ASK; | |
23 | int fast = 0; | |
24 | int warn = 1; | |
25 | int abort_p = 0; | |
26 | struct hash *users, *machines, *clusters, *lists, *filesys, *nfsphys; | |
27 | struct hash *strings, *members, *subnets, *string_dups; | |
28 | EXEC SQL BEGIN DECLARE SECTION; | |
29 | int dcmenable; | |
30 | EXEC SQL END DECLARE SECTION; | |
31 | struct save_queue *modtables, *sq_create(); | |
32 | void interrupt(); | |
33 | SQLDA *mr_sqlda; | |
34 | ||
35 | extern SQLDA *sqlald(int,int,int); | |
36 | ||
37 | main(argc, argv) | |
38 | int argc; | |
39 | char **argv; | |
40 | { | |
41 | char **arg = argv; | |
42 | EXEC SQL BEGIN DECLARE SECTION; | |
43 | char *database; | |
44 | EXEC SQL END DECLARE SECTION; | |
45 | int ingerr(); | |
46 | int countonly = 0; | |
47 | ||
48 | database = "moira"; | |
49 | setvbuf(stdout, NULL, _IOLBF, BUFSIZ); | |
50 | ||
51 | while (++arg - argv < argc) { | |
52 | if (**arg == '-') | |
53 | switch ((*arg)[1]) { | |
54 | case 'd': | |
55 | debug = atoi((*arg)[2] ? *arg+2 : *++arg); | |
56 | break; | |
57 | case 'n': | |
58 | mode = MODE_NO; | |
59 | break; | |
60 | case 'y': | |
61 | mode = MODE_YES; | |
62 | break; | |
63 | case 'p': | |
64 | mode = MODE_PREEN; | |
65 | break; | |
66 | case 'a': | |
67 | mode = MODE_ASK; | |
68 | break; | |
69 | case 'c': | |
70 | countonly++; | |
71 | break; | |
72 | case 'f': | |
73 | fast++; | |
74 | break; | |
75 | case 'w': | |
76 | warn = 0; | |
77 | break; | |
78 | default: | |
79 | printf("Usage: %s [-d level] [-n] [-y] [-p] [-a] [-c] [-f] [-w] [database]\n", | |
80 | argv[0]); | |
81 | exit(1); | |
82 | } | |
83 | else | |
84 | database = *arg; | |
85 | } | |
86 | if (countonly) | |
87 | printf("Only doing counts\n"); | |
88 | else if (fast) | |
89 | printf("Doing fast version (skipping some checks)\n"); | |
90 | if (mode == MODE_NO) | |
91 | printf("Will NOT modify the database\n"); | |
92 | else if (mode == MODE_PREEN) | |
93 | printf("Will fix simple things without asking\n"); | |
94 | else if (mode == MODE_YES) | |
95 | printf("Will fix everything without asking\n"); | |
96 | if (debug) | |
97 | printf("Debug level is %d\n", debug); | |
98 | ||
99 | signal(SIGHUP, interrupt); | |
100 | signal(SIGQUIT, interrupt); | |
101 | signal(SIGINT, interrupt); | |
102 | ||
103 | modtables = sq_create(); | |
104 | mr_sqlda = sqlald(1, 255, 0); | |
105 | ||
106 | EXEC SQL WHENEVER SQLERROR DO dbmserr(); | |
107 | printf("Opening database %s...", database); | |
108 | fflush(stdout); | |
109 | EXEC SQL CONNECT :database IDENTIFIED BY :database; | |
110 | printf("done\n"); | |
111 | EXEC SQL SELECT value INTO :dcmenable FROM numvalues | |
112 | WHERE name='dcm_enable'; | |
113 | dprintf("DCM disabled (was %d)\n", dcmenable); | |
114 | EXEC SQL UPDATE numvalues SET value=0 WHERE name='dcm_enable'; | |
115 | ||
116 | /* Begin transaction here. */ | |
117 | ||
118 | if (!countonly) { | |
119 | phase1(); | |
120 | EXEC SQL COMMIT WORK; | |
121 | phase2(); | |
122 | EXEC SQL COMMIT WORK; | |
123 | phase3(); | |
124 | EXEC SQL COMMIT WORK; | |
125 | } else { | |
126 | count_only_setup(); | |
127 | EXEC SQL COMMIT WORK; | |
128 | } | |
129 | phase4(); | |
130 | EXEC SQL COMMIT WORK; | |
131 | ||
132 | cleanup(); | |
133 | printf("Done.\n"); | |
134 | exit(0); | |
135 | } | |
136 | ||
137 | dbmserr() | |
138 | { | |
139 | EXEC SQL BEGIN DECLARE SECTION; | |
140 | char buf[512]; | |
141 | EXEC SQL END DECLARE SECTION; | |
142 | int bufsize=256, msglength=0; | |
143 | ||
144 | if (sqlca.sqlcode==1403) return; | |
145 | printf("A DBMS error occurred, code %d\n", sqlca.sqlcode); | |
146 | sqlglm(buf, &bufsize, &msglength); | |
147 | buf[msglength]=0; | |
148 | printf("%s\n", buf); | |
149 | printf("Aborting...\n"); | |
150 | if (!abort_p) { | |
151 | abort_p++; | |
152 | EXEC SQL ROLLBACK WORK; | |
153 | } | |
154 | exit(1); | |
155 | } | |
156 | ||
157 | ||
158 | void interrupt() | |
159 | { | |
160 | printf("Signal caught\n"); | |
161 | if (prompt("Save database changes")) { | |
162 | EXEC SQL COMMIT WORK; | |
163 | cleanup(); | |
164 | exit(0); | |
165 | } | |
166 | printf("Aborting transaction\n"); | |
167 | if (!abort_p) { | |
168 | abort_p++; | |
169 | EXEC SQL ROLLBACK WORK; | |
170 | } | |
171 | ||
172 | EXEC SQL UPDATE numvalues SET value=:dcmenable | |
173 | WHERE name='dcm_enable'; | |
174 | ||
175 | exit(0); | |
176 | } | |
177 | ||
178 | ||
179 | modified(table) | |
180 | char *table; | |
181 | { | |
182 | sq_save_unique_string(modtables, table); | |
183 | } | |
184 | ||
185 | cleanup() | |
186 | { | |
187 | EXEC SQL BEGIN DECLARE SECTION; | |
188 | char *tab; | |
189 | EXEC SQL END DECLARE SECTION; | |
190 | ||
191 | while (sq_get_data(modtables, &tab)) { | |
192 | EXEC SQL UPDATE tblstats SET modtime=SYSDATE | |
193 | WHERE table_name = :tab; | |
194 | } | |
195 | EXEC SQL UPDATE numvalues SET value = :dcmenable | |
196 | WHERE name='dcm_enable'; | |
197 | } | |
198 | ||
199 | ||
200 | out_of_mem(msg) | |
201 | char *msg; | |
202 | { | |
203 | fprintf(stderr, "Out of memory while %s\n", msg); | |
204 | if (prompt("Save database changes")) { | |
205 | EXEC SQL COMMIT WORK; | |
206 | cleanup(); | |
207 | exit(1); | |
208 | } | |
209 | printf("Aborting transaction\n"); | |
210 | EXEC SQL ROLLBACK WORK; | |
211 | exit(1); | |
212 | } |