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1 | /* $Id$ | |
2 | * | |
3 | * Moira database consistency checker | |
4 | * | |
5 | * (c) Copyright 1988-1998 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 | #include "dbck.h" | |
13 | ||
14 | #include <signal.h> | |
15 | #include <stdio.h> | |
16 | #include <stdlib.h> | |
17 | ||
18 | EXEC SQL INCLUDE sqlca; | |
19 | EXEC SQL INCLUDE sqlda; | |
20 | ||
21 | RCSID("$Header$"); | |
22 | ||
23 | int debug = 0; | |
24 | int mode = MODE_ASK; | |
25 | int fast = 0; | |
26 | int warn = 1; | |
27 | int abort_p = 0; | |
28 | struct hash *users, *machines, *clusters, *lists, *filesys, *nfsphys; | |
29 | struct hash *strings, *members, *subnets, *string_dups, *printservers; | |
30 | struct hash *containers; | |
31 | EXEC SQL BEGIN DECLARE SECTION; | |
32 | int dcmenable; | |
33 | EXEC SQL END DECLARE SECTION; | |
34 | struct save_queue *modtables; | |
35 | SQLDA *mr_sqlda; | |
36 | ||
37 | void interrupt(void); | |
38 | extern SQLDA *sqlald(int, int, int); | |
39 | extern void sqlglm(char *, unsigned int *, unsigned int *); | |
40 | ||
41 | int main(int argc, char **argv) | |
42 | { | |
43 | char **arg = argv; | |
44 | EXEC SQL BEGIN DECLARE SECTION; | |
45 | char *database; | |
46 | EXEC SQL END DECLARE SECTION; | |
47 | struct sigaction sa; | |
48 | ||
49 | database = "moira"; | |
50 | setvbuf(stdout, NULL, _IOLBF, BUFSIZ); | |
51 | ||
52 | while (++arg - argv < argc) | |
53 | { | |
54 | if (**arg == '-') | |
55 | { | |
56 | switch ((*arg)[1]) | |
57 | { | |
58 | case 'd': | |
59 | debug = atoi((*arg)[2] ? *arg + 2 : *++arg); | |
60 | break; | |
61 | case 'n': | |
62 | mode = MODE_NO; | |
63 | break; | |
64 | case 'y': | |
65 | mode = MODE_YES; | |
66 | break; | |
67 | case 'p': | |
68 | mode = MODE_PREEN; | |
69 | break; | |
70 | case 'a': | |
71 | mode = MODE_ASK; | |
72 | break; | |
73 | case 'f': | |
74 | fast++; | |
75 | break; | |
76 | case 'w': | |
77 | warn = 0; | |
78 | break; | |
79 | default: | |
80 | printf("Usage: %s [-d level] [-n] [-y] [-p] [-a] [-f] [-w] [database]\n", | |
81 | argv[0]); | |
82 | exit(1); | |
83 | } | |
84 | } | |
85 | else | |
86 | database = *arg; | |
87 | } | |
88 | 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 | sa.sa_handler = interrupt; | |
100 | sa.sa_flags = 0; | |
101 | sigemptyset(&sa.sa_mask); | |
102 | sigaction(SIGHUP, &sa, NULL); | |
103 | sigaction(SIGQUIT, &sa, NULL); | |
104 | sigaction(SIGINT, &sa, NULL); | |
105 | ||
106 | modtables = sq_create(); | |
107 | mr_sqlda = sqlald(1, 255, 0); | |
108 | ||
109 | EXEC SQL WHENEVER SQLERROR DO dbmserr(); | |
110 | printf("Opening database %s...", database); | |
111 | fflush(stdout); | |
112 | EXEC SQL CONNECT :database IDENTIFIED BY :database; | |
113 | printf("done\n"); | |
114 | if (mode != MODE_NO) | |
115 | { | |
116 | EXEC SQL SELECT value INTO :dcmenable FROM numvalues | |
117 | WHERE name = 'dcm_enable'; | |
118 | dprintf("DCM disabled (was %d)\n", dcmenable); | |
119 | EXEC SQL UPDATE numvalues SET value = 0 WHERE name = 'dcm_enable'; | |
120 | } | |
121 | ||
122 | /* Begin transaction here. */ | |
123 | ||
124 | phase1(); | |
125 | EXEC SQL COMMIT WORK; | |
126 | phase2(); | |
127 | EXEC SQL COMMIT WORK; | |
128 | phase3(); | |
129 | EXEC SQL COMMIT WORK; | |
130 | phase4(); | |
131 | EXEC SQL COMMIT WORK; | |
132 | ||
133 | if (mode != MODE_NO) | |
134 | cleanup(); | |
135 | printf("Done.\n"); | |
136 | exit(0); | |
137 | } | |
138 | ||
139 | void dbmserr(void) | |
140 | { | |
141 | EXEC SQL BEGIN DECLARE SECTION; | |
142 | char buf[256]; | |
143 | EXEC SQL END DECLARE SECTION; | |
144 | int bufsize = 256, msglength = 0; | |
145 | ||
146 | if (sqlca.sqlcode == 1403) | |
147 | return; | |
148 | printf("A DBMS error occurred, code %ld\n", sqlca.sqlcode); | |
149 | sqlglm(buf, &bufsize, &msglength); | |
150 | buf[msglength] = '\0'; | |
151 | printf("%s\n", buf); | |
152 | printf("Aborting...\n"); | |
153 | if (!abort_p) | |
154 | { | |
155 | abort_p++; | |
156 | EXEC SQL ROLLBACK WORK; | |
157 | } | |
158 | exit(1); | |
159 | } | |
160 | ||
161 | ||
162 | void interrupt(void) | |
163 | { | |
164 | printf("Signal caught\n"); | |
165 | if (prompt("Save database changes")) | |
166 | { | |
167 | EXEC SQL COMMIT WORK; | |
168 | cleanup(); | |
169 | exit(0); | |
170 | } | |
171 | printf("Aborting transaction\n"); | |
172 | if (!abort_p) | |
173 | { | |
174 | abort_p++; | |
175 | EXEC SQL ROLLBACK WORK; | |
176 | } | |
177 | ||
178 | EXEC SQL UPDATE numvalues SET value = :dcmenable | |
179 | WHERE name = 'dcm_enable'; | |
180 | ||
181 | exit(0); | |
182 | } | |
183 | ||
184 | ||
185 | void modified(char *table) | |
186 | { | |
187 | sq_save_unique_string(modtables, table); | |
188 | } | |
189 | ||
190 | void cleanup(void) | |
191 | { | |
192 | EXEC SQL BEGIN DECLARE SECTION; | |
193 | char *tab; | |
194 | EXEC SQL END DECLARE SECTION; | |
195 | ||
196 | while (sq_get_data(modtables, &tab)) | |
197 | { | |
198 | EXEC SQL UPDATE tblstats SET modtime = SYSDATE | |
199 | WHERE table_name = :tab; | |
200 | } | |
201 | EXEC SQL UPDATE numvalues SET value = :dcmenable | |
202 | WHERE name = 'dcm_enable'; | |
203 | } | |
204 | ||
205 | ||
206 | void out_of_mem(char *msg) | |
207 | { | |
208 | fprintf(stderr, "Out of memory while %s\n", msg); | |
209 | if (prompt("Save database changes")) | |
210 | { | |
211 | EXEC SQL COMMIT WORK; | |
212 | cleanup(); | |
213 | exit(1); | |
214 | } | |
215 | printf("Aborting transaction\n"); | |
216 | EXEC SQL ROLLBACK WORK; | |
217 | exit(1); | |
218 | } |