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Commit | Line | Data |
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7ac48069 | 1 | /* $Id$ |
32cfe906 | 2 | * |
7ac48069 | 3 | * Deal with incremental updates |
5eaef520 | 4 | * |
7ac48069 | 5 | * Copyright (C) 1989-1998 by the Massachusetts Institute of Technology |
6 | * For copying and distribution information, please see the file | |
7 | * <mit-copyright.h>. | |
32cfe906 | 8 | */ |
9 | ||
32cfe906 | 10 | #include <mit-copyright.h> |
32cfe906 | 11 | #include "mr_server.h" |
03c05291 | 12 | #include "query.h" |
13 | #include "qrtn.h" | |
7ac48069 | 14 | |
15 | #include <signal.h> | |
85330553 | 16 | #include <stdio.h> |
7ac48069 | 17 | #include <stdlib.h> |
18 | #include <string.h> | |
19 | #include <unistd.h> | |
20 | ||
45bf7573 | 21 | EXEC SQL INCLUDE sqlca; |
32cfe906 | 22 | |
7ac48069 | 23 | RCSID("$Header$"); |
24 | ||
32cfe906 | 25 | extern char *whoami; |
03c05291 | 26 | extern char *table_name[]; |
27 | extern int num_tables; | |
32cfe906 | 28 | |
29 | int inc_pid = 0; | |
30 | int inc_running = 0; | |
31 | time_t inc_started; | |
32 | ||
33 | #define MAXARGC 15 | |
34 | ||
03c05291 | 35 | EXEC SQL WHENEVER SQLERROR DO dbmserr(); |
45bf7573 | 36 | |
32cfe906 | 37 | /* structures to save before args */ |
32cfe906 | 38 | static char *before[MAXARGC]; |
32cfe906 | 39 | static int beforec; |
03c05291 | 40 | static enum tables beforetable; |
32cfe906 | 41 | |
42 | /* structures to save after args */ | |
32cfe906 | 43 | static char *after[MAXARGC]; |
32cfe906 | 44 | static int afterc; |
45 | ||
46 | /* structures to save entire sets of incremental changes */ | |
47 | struct save_queue *incremental_sq = NULL; | |
48 | struct save_queue *incremental_exec = NULL; | |
49 | struct iupdate { | |
5eaef520 | 50 | char *table; |
51 | int beforec; | |
52 | char **before; | |
53 | int afterc; | |
54 | char **after; | |
55 | char *service; | |
32cfe906 | 56 | }; |
57 | ||
03c05291 | 58 | void next_incremental(void); |
fc053494 | 59 | char **copy_argv(char **argv, int argc); |
03c05291 | 60 | void free_argv(char **argv, int argc); |
61 | int table_num(char *table); | |
32cfe906 | 62 | |
03c05291 | 63 | void incremental_init(void) |
32cfe906 | 64 | { |
5eaef520 | 65 | int i; |
32cfe906 | 66 | |
5eaef520 | 67 | if (!incremental_sq) |
68 | incremental_sq = sq_create(); | |
69 | if (!incremental_exec) | |
70 | incremental_exec = sq_create(); | |
03c05291 | 71 | |
5eaef520 | 72 | for (i = 0; i < MAXARGC; i++) |
73 | { | |
e688520a | 74 | before[i] = xmalloc(MAX_FIELD_WIDTH); |
75 | after[i] = xmalloc(MAX_FIELD_WIDTH); | |
03c05291 | 76 | } |
32cfe906 | 77 | } |
78 | ||
79 | ||
03c05291 | 80 | /* record the state of a table row before it is changed */ |
81 | ||
5eaef520 | 82 | void incremental_before(enum tables table, char *qual, char **argv) |
32cfe906 | 83 | { |
5eaef520 | 84 | EXEC SQL BEGIN DECLARE SECTION; |
85 | int id; | |
86 | EXEC SQL END DECLARE SECTION; | |
87 | ||
88acd4d3 | 88 | char *name, *name2; |
5eaef520 | 89 | |
90 | beforetable = table; | |
91 | ||
92 | switch (table) | |
93 | { | |
94 | case USERS_TABLE: | |
d6759517 | 95 | sprintf(stmt_buf, "SELECT u.login, u.unix_uid, u.shell, " |
96 | "u.winconsoleshell, u.last, u.first, u.middle, u.status, " | |
88acd4d3 | 97 | "u.clearid, u.type, u.users_id FROM users u WHERE %s", qual); |
5eaef520 | 98 | dosql(before); |
88acd4d3 | 99 | beforec = 11; |
5eaef520 | 100 | break; |
101 | case MACHINE_TABLE: | |
88acd4d3 | 102 | sprintf(stmt_buf, "SELECT m.name, m.vendor, m.mach_id FROM machine m " |
5eaef520 | 103 | "WHERE %s", qual); |
104 | dosql(before); | |
88acd4d3 | 105 | beforec = 3; |
5eaef520 | 106 | break; |
e688520a | 107 | case CLUSTERS_TABLE: |
88acd4d3 | 108 | sprintf(stmt_buf, "SELECT c.name, c.description, c.location, " |
109 | "c.clu_id FROM clusters c WHERE %s", qual); | |
5eaef520 | 110 | dosql(before); |
88acd4d3 | 111 | beforec = 4; |
5eaef520 | 112 | break; |
bb5c9457 | 113 | case CONTAINERS_TABLE: |
114 | sprintf(stmt_buf, "SELECT c.name, c.description, c.location, c.contact, " | |
115 | "c.acl_type, c.acl_id, c.cnt_id FROM containers c WHERE %s", | |
116 | qual); | |
117 | dosql(before); | |
118 | beforec = 7; | |
429aec78 | 119 | name = xmalloc(0); |
120 | id = atoi(before[5]); | |
121 | if (!strncmp(before[4], "USER", 4)) | |
122 | { | |
123 | id_to_name(id, USERS_TABLE, &name); | |
124 | strcpy(before[5], name); | |
125 | } | |
126 | else if (!strncmp(before[4], "LIST", 4)) | |
127 | { | |
128 | id_to_name(id, LIST_TABLE, &name); | |
129 | strcpy(before[5], name); | |
130 | } | |
131 | else if (!strncmp(before[4], "KERBEROS", 8)) | |
132 | { | |
133 | id_to_name(id, STRINGS_TABLE, &name); | |
134 | strcpy(before[5], name); | |
135 | } | |
bb5c9457 | 136 | break; |
5eaef520 | 137 | case MCMAP_TABLE: |
138 | strcpy(before[0], argv[0]); | |
139 | strcpy(before[1], argv[1]); | |
140 | beforec = 2; | |
141 | break; | |
142 | case SVC_TABLE: | |
143 | strcpy(before[0], argv[0]); | |
144 | strcpy(before[1], argv[1]); | |
145 | strcpy(before[2], argv[2]); | |
146 | beforec = 3; | |
147 | break; | |
148 | case FILESYS_TABLE: | |
149 | sprintf(stmt_buf, "SELECT fs.label, fs.type, fs.mach_id, fs.name, " | |
150 | "fs.mount, fs.rwaccess, fs.comments, fs.owner, fs.owners, " | |
88acd4d3 | 151 | "fs.createflg, fs.lockertype, fs.filsys_id FROM filesys fs " |
152 | "WHERE %s", qual); | |
5eaef520 | 153 | dosql(before); |
88acd4d3 | 154 | name = xmalloc(0); |
5eaef520 | 155 | id = atoi(before[2]); |
156 | id_to_name(id, MACHINE_TABLE, &name); | |
157 | strcpy(before[2], name); | |
158 | id = atoi(before[7]); | |
159 | id_to_name(id, USERS_TABLE, &name); | |
160 | strcpy(before[7], name); | |
161 | id = atoi(before[8]); | |
162 | id_to_name(id, LIST_TABLE, &name); | |
163 | strcpy(before[8], name); | |
164 | free(name); | |
88acd4d3 | 165 | beforec = 12; |
5eaef520 | 166 | break; |
167 | case QUOTA_TABLE: | |
168 | strcpy(before[0], "?"); | |
169 | strcpy(before[1], argv[1]); | |
170 | strcpy(before[2], "?"); | |
171 | sprintf(stmt_buf, "SELECT q.quota, fs.name FROM quota q, filesys fs " | |
172 | "WHERE %s AND fs.filsys_id = q.filsys_id", qual); | |
173 | dosql(&(before[3])); | |
174 | strcpy(before[2], argv[1]); | |
175 | beforec = 5; | |
176 | break; | |
177 | case LIST_TABLE: | |
178 | sprintf(stmt_buf, "SELECT l.name, l.active, l.publicflg, l.hidden, " | |
179 | "l.maillist, l.grouplist, l.gid, l.acl_type, l.acl_id, " | |
88acd4d3 | 180 | "l.description, l.list_id FROM list l WHERE %s", qual); |
5eaef520 | 181 | dosql(before); |
88acd4d3 | 182 | beforec = 11; |
5eaef520 | 183 | break; |
184 | case IMEMBERS_TABLE: | |
185 | id = (int) argv[0]; | |
186 | sprintf(stmt_buf, "SELECT active, publicflg, hidden, maillist, " | |
187 | "grouplist, gid FROM list WHERE list_id = %d", id); | |
188 | dosql(&(before[3])); | |
88acd4d3 | 189 | name = xmalloc(0); |
5eaef520 | 190 | id_to_name(id, LIST_TABLE, &name); |
88acd4d3 | 191 | name2 = xmalloc(0); |
5eaef520 | 192 | strcpy(before[0], name); |
193 | strcpy(before[1], argv[1]); | |
194 | id = (int) argv[2]; | |
88acd4d3 | 195 | beforec = 10; |
5eaef520 | 196 | if (!strcmp(before[1], "USER")) |
197 | { | |
88acd4d3 | 198 | id_to_name(id, USERS_TABLE, &name2); |
199 | EXEC SQL SELECT status, users_id INTO :before[9], :before[11] | |
200 | FROM users WHERE users_id = :id; | |
201 | EXEC SQL SELECT list_id INTO :before[10] FROM list | |
202 | WHERE name = :name; | |
203 | beforec = 12; | |
5eaef520 | 204 | } |
205 | else if (!strcmp(before[1], "LIST")) | |
88acd4d3 | 206 | { |
207 | id_to_name(id, LIST_TABLE, &name2); | |
208 | EXEC SQL SELECT list_id INTO :before[9] FROM list | |
209 | WHERE name = :name; | |
210 | sprintf(before[10], "%d", id); | |
211 | beforec = 11; | |
212 | } | |
5eaef520 | 213 | else if (!strcmp(before[1], "STRING") || !strcmp(before[1], "KERBEROS")) |
88acd4d3 | 214 | { |
215 | id_to_name(id, STRINGS_TABLE, &name2); | |
216 | EXEC SQL SELECT list_id INTO :before[9] FROM list | |
217 | WHERE name = :name; | |
218 | } | |
5f7b0741 | 219 | else if (!strcmp(before[1], "MACHINE")) |
220 | { | |
221 | id_to_name(id, MACHINE_TABLE, &name2); | |
222 | EXEC SQL SELECT mach_id INTO :before[9] FROM machine | |
223 | WHERE name = :name; | |
224 | } | |
88acd4d3 | 225 | strcpy(before[2], name2); |
5eaef520 | 226 | free(name); |
88acd4d3 | 227 | free(name2); |
5eaef520 | 228 | break; |
229 | default: | |
03c05291 | 230 | /* |
231 | com_err(whoami, 0, "requested incremental on unexpected table `%s'", | |
232 | table_name[table]); | |
233 | */ | |
5eaef520 | 234 | break; |
235 | } | |
a313cad2 | 236 | } |
32cfe906 | 237 | |
238 | ||
03c05291 | 239 | void incremental_clear_before(void) |
32cfe906 | 240 | { |
5eaef520 | 241 | beforec = 0; |
32cfe906 | 242 | } |
243 | ||
32cfe906 | 244 | |
03c05291 | 245 | /* add an element to the incremental queue for the changed row */ |
32cfe906 | 246 | |
5eaef520 | 247 | void incremental_after(enum tables table, char *qual, char **argv) |
a313cad2 | 248 | { |
88acd4d3 | 249 | char *name, *name2; |
5eaef520 | 250 | EXEC SQL BEGIN DECLARE SECTION; |
251 | int id; | |
252 | EXEC SQL END DECLARE SECTION; | |
253 | struct iupdate *iu; | |
254 | ||
255 | switch (table) | |
256 | { | |
257 | case USERS_TABLE: | |
d6759517 | 258 | sprintf(stmt_buf, "SELECT u.login, u.unix_uid, u.shell, " |
259 | "u.winconsoleshell, u.last, u.first, u.middle, u.status, " | |
88acd4d3 | 260 | "u.clearid, u.type, u.users_id FROM users u WHERE %s", qual); |
5eaef520 | 261 | dosql(after); |
88acd4d3 | 262 | afterc = 11; |
5eaef520 | 263 | break; |
264 | case MACHINE_TABLE: | |
88acd4d3 | 265 | sprintf(stmt_buf, "SELECT m.name, m.vendor, m.mach_id FROM machine m " |
5eaef520 | 266 | "WHERE %s", qual); |
267 | dosql(after); | |
88acd4d3 | 268 | afterc = 3; |
5eaef520 | 269 | break; |
e688520a | 270 | case CLUSTERS_TABLE: |
88acd4d3 | 271 | sprintf(stmt_buf, "SELECT c.name, c.description, c.location, " |
272 | "c.clu_id FROM clusters c WHERE %s", qual); | |
5eaef520 | 273 | dosql(after); |
88acd4d3 | 274 | afterc = 4; |
5eaef520 | 275 | break; |
bb5c9457 | 276 | case CONTAINERS_TABLE: |
277 | sprintf(stmt_buf, "SELECT c.name, c.description, c.location, c.contact, " | |
278 | "c.acl_type, c.acl_id, c.cnt_id FROM containers c WHERE %s", | |
279 | qual); | |
280 | dosql(after); | |
281 | afterc = 7; | |
429aec78 | 282 | name = xmalloc(0); |
283 | id = atoi(after[5]); | |
284 | if (!strncmp(after[4], "USER", 4)) | |
285 | { | |
286 | id_to_name(id, USERS_TABLE, &name); | |
287 | strcpy(after[5], name); | |
288 | } | |
289 | else if (!strncmp(after[4], "LIST", 4)) | |
290 | { | |
291 | id_to_name(id, LIST_TABLE, &name); | |
292 | strcpy(after[5], name); | |
293 | } | |
294 | else if (!strncmp(after[4], "KERBEROS", 8)) | |
295 | { | |
296 | id_to_name(id, STRINGS_TABLE, &name); | |
297 | strcpy(after[5], name); | |
298 | } | |
bb5c9457 | 299 | break; |
5eaef520 | 300 | case MCMAP_TABLE: |
301 | strcpy(after[0], argv[0]); | |
302 | strcpy(after[1], argv[1]); | |
303 | afterc = 2; | |
304 | break; | |
305 | case SVC_TABLE: | |
306 | strcpy(after[0], argv[0]); | |
307 | strcpy(after[1], argv[1]); | |
308 | strcpy(after[2], argv[2]); | |
309 | afterc = 3; | |
310 | break; | |
311 | case FILESYS_TABLE: | |
312 | sprintf(stmt_buf, "SELECT fs.label, fs.type, fs.mach_id, fs.name, " | |
313 | "fs.mount, fs.rwaccess, fs.comments, fs.owner, fs.owners, " | |
88acd4d3 | 314 | "fs.createflg, fs.lockertype, fs.filsys_id FROM filesys fs " |
315 | "WHERE %s", qual); | |
5eaef520 | 316 | dosql(after); |
88acd4d3 | 317 | name = xmalloc(0); |
5eaef520 | 318 | id = atoi(after[2]); |
319 | id_to_name(id, MACHINE_TABLE, &name); | |
320 | strcpy(after[2], name); | |
321 | id = atoi(after[7]); | |
322 | id_to_name(id, USERS_TABLE, &name); | |
323 | strcpy(after[7], name); | |
324 | id = atoi(after[8]); | |
325 | id_to_name(id, LIST_TABLE, &name); | |
326 | strcpy(after[8], name); | |
327 | free(name); | |
88acd4d3 | 328 | afterc = 12; |
5eaef520 | 329 | break; |
330 | case QUOTA_TABLE: | |
331 | strcpy(after[0], "?"); | |
332 | strcpy(after[1], argv[1]); | |
333 | strcpy(after[2], "?"); | |
334 | sprintf(stmt_buf, "SELECT q.quota, fs.name FROM quota q, filesys fs " | |
335 | "WHERE %s and fs.filsys_id = q.filsys_id and q.type = '%s'", | |
336 | qual, argv[1]); | |
337 | dosql(&(after[3])); | |
338 | afterc = 5; | |
339 | break; | |
340 | case LIST_TABLE: | |
341 | sprintf(stmt_buf, "SELECT l.name, l.active, l.publicflg, l.hidden, " | |
342 | "l.maillist, l.grouplist, l.gid, l.acl_type, l.acl_id, " | |
88acd4d3 | 343 | "l.description, l.list_id FROM list l WHERE %s", qual); |
5eaef520 | 344 | dosql(after); |
88acd4d3 | 345 | afterc = 11; |
5eaef520 | 346 | break; |
347 | case IMEMBERS_TABLE: | |
348 | id = (int) argv[0]; | |
349 | sprintf(stmt_buf, "SELECT active, publicflg, hidden, maillist, " | |
350 | "grouplist, gid FROM list WHERE list_id = %d", id); | |
351 | dosql(&(after[3])); | |
88acd4d3 | 352 | name = xmalloc(0); |
5eaef520 | 353 | id_to_name(id, LIST_TABLE, &name); |
88acd4d3 | 354 | name2 = xmalloc(0); |
5eaef520 | 355 | strcpy(after[0], name); |
356 | strcpy(after[1], argv[1]); | |
357 | id = (int) argv[2]; | |
88acd4d3 | 358 | afterc = 10; |
5eaef520 | 359 | if (!strcmp(after[1], "USER")) |
360 | { | |
88acd4d3 | 361 | id_to_name(id, USERS_TABLE, &name2); |
362 | EXEC SQL SELECT status, users_id INTO :after[9], :after[11] | |
363 | FROM users WHERE users_id = :id; | |
364 | EXEC SQL SELECT list_id INTO :after[10] FROM list | |
365 | WHERE name = :name; | |
366 | afterc = 12; | |
32cfe906 | 367 | } |
5eaef520 | 368 | else if (!strcmp(after[1], "LIST")) |
88acd4d3 | 369 | { |
370 | id_to_name(id, LIST_TABLE, &name2); | |
371 | EXEC SQL SELECT list_id INTO :after[9] FROM list | |
372 | WHERE name = :name; | |
373 | sprintf(after[10], "%d", id); | |
374 | afterc = 11; | |
375 | } | |
5eaef520 | 376 | else if (!strcmp(after[1], "STRING") || !strcmp(after[1], "KERBEROS")) |
88acd4d3 | 377 | { |
378 | id_to_name(id, STRINGS_TABLE, &name2); | |
379 | EXEC SQL SELECT list_id INTO :after[9] FROM list | |
380 | WHERE name = :name; | |
381 | } | |
5f7b0741 | 382 | else if (!strcmp(after[1], "MACHINE")) |
383 | { | |
384 | id_to_name(id, MACHINE_TABLE, &name2); | |
385 | EXEC SQL SELECT mach_id INTO :after[9] FROM machine | |
386 | WHERE name = :name; | |
387 | } | |
88acd4d3 | 388 | strcpy(after[2], name2); |
5eaef520 | 389 | free(name); |
88acd4d3 | 390 | free(name2); |
5eaef520 | 391 | break; |
392 | case NO_TABLE: | |
393 | afterc = 0; | |
394 | table = beforetable; | |
395 | break; | |
396 | default: | |
03c05291 | 397 | /* |
398 | com_err(whoami, 0, "requested incremental on unexpected table `%s'", | |
399 | table_name[table]); | |
400 | */ | |
5eaef520 | 401 | break; |
32cfe906 | 402 | } |
5eaef520 | 403 | |
e688520a | 404 | iu = xmalloc(sizeof(struct iupdate)); |
5eaef520 | 405 | iu->table = table_name[table]; |
406 | iu->beforec = beforec; | |
fc053494 | 407 | iu->before = copy_argv(before, beforec); |
5eaef520 | 408 | iu->afterc = afterc; |
fc053494 | 409 | iu->after = copy_argv(after, afterc); |
5eaef520 | 410 | sq_save_data(incremental_sq, iu); |
a313cad2 | 411 | } |
32cfe906 | 412 | |
03c05291 | 413 | void incremental_clear_after(void) |
414 | { | |
5eaef520 | 415 | incremental_after(NO_TABLE, NULL, NULL); |
03c05291 | 416 | } |
417 | ||
32cfe906 | 418 | |
419 | /* Called when the current transaction is committed to start any queued | |
420 | * incremental updates. This caches the update table the first time it | |
421 | * is called. | |
422 | */ | |
423 | ||
424 | struct inc_cache { | |
5eaef520 | 425 | struct inc_cache *next; |
426 | char *table, *service; | |
32cfe906 | 427 | }; |
428 | ||
429 | ||
03c05291 | 430 | void incremental_update(void) |
32cfe906 | 431 | { |
5eaef520 | 432 | static int inited = 0; |
433 | static struct inc_cache *cache; | |
434 | struct inc_cache *c; | |
435 | EXEC SQL BEGIN DECLARE SECTION; | |
e688520a | 436 | char tab[INCREMENTAL_TABLE_NAME_SIZE], serv[INCREMENTAL_SERVICE_SIZE]; |
5eaef520 | 437 | EXEC SQL END DECLARE SECTION; |
772c26b3 | 438 | struct iupdate *iu, *iu_save; |
5eaef520 | 439 | |
440 | if (!inited) | |
441 | { | |
442 | inited++; | |
443 | ||
444 | EXEC SQL DECLARE inc CURSOR FOR SELECT table_name, service | |
445 | FROM incremental; | |
446 | EXEC SQL OPEN inc; | |
447 | while (1) | |
448 | { | |
449 | EXEC SQL FETCH inc INTO :tab, :serv; | |
450 | if (sqlca.sqlcode) | |
451 | break; | |
e688520a | 452 | c = xmalloc(sizeof(struct inc_cache)); |
5eaef520 | 453 | c->next = cache; |
e688520a | 454 | c->table = xstrdup(strtrim(tab)); |
455 | c->service = xstrdup(strtrim(serv)); | |
5eaef520 | 456 | cache = c; |
32cfe906 | 457 | } |
5eaef520 | 458 | EXEC SQL CLOSE inc; |
459 | EXEC SQL COMMIT WORK; | |
32cfe906 | 460 | } |
461 | ||
5eaef520 | 462 | while (sq_remove_data(incremental_sq, &iu)) |
463 | { | |
464 | for (c = cache; c; c = c->next) | |
465 | { | |
466 | if (!strcmp(c->table, iu->table)) | |
467 | { | |
468 | iu->service = c->service; | |
772c26b3 | 469 | iu_save = xmalloc(sizeof(struct iupdate)); |
470 | iu_save->service = iu->service; | |
471 | iu_save->table = iu->table; | |
472 | iu_save->beforec = iu->beforec; | |
473 | iu_save->afterc = iu->afterc; | |
474 | iu_save->before = copy_argv(iu->before, iu->beforec); | |
475 | iu_save->after = copy_argv(iu->after, iu->afterc); | |
476 | sq_save_data(incremental_exec, iu_save); | |
32cfe906 | 477 | } |
478 | } | |
e688520a | 479 | if (!c) |
480 | { | |
481 | free_argv(iu->before, iu->beforec); | |
482 | free_argv(iu->after, iu->afterc); | |
483 | free(iu); | |
484 | } | |
32cfe906 | 485 | } |
5eaef520 | 486 | if (inc_running == 0) |
487 | next_incremental(); | |
32cfe906 | 488 | } |
489 | ||
f18a32ee | 490 | /* Pro*C 2.2.4 can't cope with the sigset_t below, at least in Solaris 2.6. |
491 | We add DEFINE=_PROC_ to the proc invocation and then #ifndef that around | |
492 | this function so proc will pass it through without reading it. */ | |
32cfe906 | 493 | |
f18a32ee | 494 | #ifndef _PROC_ |
03c05291 | 495 | void next_incremental(void) |
32cfe906 | 496 | { |
5eaef520 | 497 | struct iupdate *iu; |
e688520a | 498 | char *argv[MAXARGC * 2 + 4], cafter[3], cbefore[3], prog[MAXPATHLEN]; |
5eaef520 | 499 | int i; |
500 | sigset_t sigs; | |
501 | ||
502 | if (!incremental_exec) | |
503 | incremental_init(); | |
504 | ||
505 | if (sq_empty(incremental_exec) || | |
506 | (inc_running && now - inc_started < INC_TIMEOUT)) | |
507 | return; | |
508 | ||
509 | if (inc_running) | |
510 | com_err(whoami, 0, "incremental timeout on pid %d", inc_pid); | |
511 | ||
512 | sq_remove_data(incremental_exec, &iu); | |
513 | argv[1] = iu->table; | |
514 | sprintf(cbefore, "%d", iu->beforec); | |
515 | argv[2] = cbefore; | |
516 | sprintf(cafter, "%d", iu->afterc); | |
517 | argv[3] = cafter; | |
518 | for (i = 0; i < iu->beforec; i++) | |
519 | argv[4 + i] = iu->before[i]; | |
520 | for (i = 0; i < iu->afterc; i++) | |
521 | argv[4 + iu->beforec + i] = iu->after[i]; | |
522 | ||
523 | sprintf(prog, "%s/%s.incr", BIN_DIR, iu->service); | |
524 | argv[0] = prog; | |
525 | argv[4 + iu->beforec + iu->afterc] = 0; | |
526 | ||
527 | sigemptyset(&sigs); | |
528 | sigaddset(&sigs, SIGCHLD); | |
529 | sigprocmask(SIG_BLOCK, &sigs, NULL); | |
530 | inc_pid = vfork(); | |
531 | switch (inc_pid) | |
532 | { | |
32cfe906 | 533 | case 0: |
5eaef520 | 534 | execv(prog, argv); |
535 | _exit(1); | |
32cfe906 | 536 | case -1: |
5eaef520 | 537 | com_err(whoami, 0, "Failed to start incremental update"); |
538 | break; | |
32cfe906 | 539 | default: |
5eaef520 | 540 | inc_running = 1; |
541 | inc_started = now; | |
32cfe906 | 542 | } |
5eaef520 | 543 | sigprocmask(SIG_UNBLOCK, &sigs, NULL); |
32cfe906 | 544 | |
5eaef520 | 545 | free_argv(iu->before, iu->beforec); |
546 | free_argv(iu->after, iu->afterc); | |
547 | free(iu); | |
32cfe906 | 548 | } |
f18a32ee | 549 | #endif |
32cfe906 | 550 | |
551 | /* Called when the current transaction is aborted to throw away any queued | |
552 | * incremental updates | |
553 | */ | |
554 | ||
03c05291 | 555 | void incremental_flush(void) |
32cfe906 | 556 | { |
5eaef520 | 557 | struct iupdate *iu; |
32cfe906 | 558 | |
5eaef520 | 559 | while (sq_get_data(incremental_sq, &iu)) |
560 | { | |
561 | free_argv(iu->before, iu->beforec); | |
562 | free_argv(iu->after, iu->afterc); | |
563 | free(iu); | |
32cfe906 | 564 | } |
5eaef520 | 565 | sq_destroy(incremental_sq); |
566 | incremental_sq = sq_create(); | |
32cfe906 | 567 | } |
568 | ||
569 | ||
fc053494 | 570 | char **copy_argv(char **argv, int argc) |
571 | { | |
572 | char **ret = xmalloc(sizeof(char *) * argc); | |
573 | while (--argc >= 0) | |
574 | ret[argc] = xstrdup(strtrim(argv[argc])); | |
575 | return ret; | |
576 | } | |
577 | ||
5eaef520 | 578 | void free_argv(char **argv, int argc) |
32cfe906 | 579 | { |
5eaef520 | 580 | while (--argc >= 0) |
581 | free(argv[argc]); | |
582 | free(argv); | |
32cfe906 | 583 | } |
03c05291 | 584 | |
585 | int table_num(char *name) | |
586 | { | |
587 | int i; | |
588 | ||
5eaef520 | 589 | for (i = num_tables - 1; i; i--) |
590 | { | |
591 | if (!strcmp(table_name[i], name)) | |
592 | break; | |
593 | } | |
03c05291 | 594 | |
595 | return i; /* 0 = "none" if no match */ | |
596 | } |