t_basic.c revision 1.7 1 /* $NetBSD: t_basic.c,v 1.7 2010/07/30 16:15:06 pooka Exp $ */
2
3 #include <sys/types.h>
4 #include <sys/mount.h>
5 #include <sys/socket.h>
6
7 #include <assert.h>
8 #include <atf-c.h>
9 #include <err.h>
10 #include <errno.h>
11 #include <fcntl.h>
12 #include <pthread.h>
13 #include <puffs.h>
14 #include <puffsdump.h>
15 #include <stdio.h>
16 #include <unistd.h>
17 #include <string.h>
18 #include <stdlib.h>
19
20 #include <rump/rump.h>
21 #include <rump/rump_syscalls.h>
22
23 #include "../../h_macros.h"
24 #include "../common/h_fsmacros.h"
25
26 /*
27 * Do a synchronous operation. When this returns, all FAF operations
28 * have at least been delivered to the file system.
29 *
30 * XXX: is this really good enough considering puffs(9)-issued
31 * callback operations?
32 */
33 static void
34 syncbar(const char *fs)
35 {
36 struct statvfs svb;
37
38 if (rump_sys_statvfs1(fs, &svb, ST_WAIT) == -1)
39 atf_tc_fail_errno("statvfs");
40 }
41
42 static void __unused
43 dumpopcount(struct puffstestargs *args)
44 {
45 size_t i;
46
47 printf("VFS OPS:\n");
48 for (i = 0; i < MIN(puffsdump_vfsop_count, PUFFS_VFS_MAX); i++) {
49 printf("\t%s: %d\n",
50 puffsdump_vfsop_revmap[i], args->pta_vfs_toserv_ops[i]);
51 }
52
53 printf("VN OPS:\n");
54 for (i = 0; i < MIN(puffsdump_vnop_count, PUFFS_VN_MAX); i++) {
55 printf("\t%s: %d\n",
56 puffsdump_vnop_revmap[i], args->pta_vn_toserv_ops[i]);
57 }
58 }
59
60 ATF_TC(mount);
61 ATF_TC_HEAD(mount, tc)
62 {
63
64 atf_tc_set_md_var(tc, "descr", "puffs+dtfs un/mount test");
65 }
66
67 ATF_TC_BODY(mount, tc)
68 {
69 void *args;
70
71 FSTEST_CONSTRUCTOR(tc, puffs, args);
72 FSTEST_DESTRUCTOR(tc, puffs, args);
73 }
74
75 ATF_TC(root_reg);
76 ATF_TC_HEAD(root_reg, tc)
77 {
78 atf_tc_set_md_var(tc, "descr", "root is a regular file");
79 }
80
81 #define MAKEOPTS(...) \
82 char *theopts[] = {NULL, "-s", __VA_ARGS__, "dtfs", "n/a", NULL}
83
84 ATF_TC_BODY(root_reg, tc)
85 {
86 MAKEOPTS("-r", "reg");
87 void *args;
88 int fd, rv;
89
90 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
91
92 fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
93 if (fd == -1)
94 atf_tc_fail_errno("open root");
95 if (rump_sys_write(fd, &fd, sizeof(fd)) != sizeof(fd))
96 atf_tc_fail_errno("write to root");
97 rv = rump_sys_mkdir(FSTEST_MNTNAME "/test", 0777);
98 ATF_REQUIRE(errno == ENOTDIR);
99 ATF_REQUIRE(rv == -1);
100 rump_sys_close(fd);
101
102 FSTEST_DESTRUCTOR(tc, puffs, args);
103 }
104
105 ATF_TC(root_lnk);
106 ATF_TC_HEAD(root_lnk, tc)
107 {
108
109 atf_tc_set_md_var(tc, "descr", "root is a symbolic link");
110 }
111
112 #define LINKSTR "/path/to/nowhere"
113 ATF_TC_BODY(root_lnk, tc)
114 {
115 MAKEOPTS("-r", "lnk " LINKSTR);
116 struct puffstestargs *pargs;
117 void *args;
118 char buf[PATH_MAX];
119 ssize_t len;
120
121 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
122 pargs = args;
123
124 if ((len = rump_sys_readlink(FSTEST_MNTNAME, buf, sizeof(buf)-1)) == -1)
125 atf_tc_fail_errno("readlink");
126 buf[len] = '\0';
127
128 ATF_REQUIRE_STREQ(buf, LINKSTR);
129
130 #if 0 /* XXX: unmount uses FOLLOW */
131 if (rump_sys_unmount("/mp", 0) == -1)
132 atf_tc_fail_errno("unmount");
133 #endif
134
135 /*
136 * XXX2: due to atf issue #53, we must make sure the child dies
137 * before we exit.
138 */
139 signal(SIGCHLD, SIG_IGN);
140 if (kill(pargs->pta_childpid, SIGTERM) == -1)
141 atf_tc_fail_errno("kill");
142 }
143
144 ATF_TC(root_fifo);
145 ATF_TC_HEAD(root_fifo, tc)
146 {
147
148 atf_tc_set_md_var(tc, "descr", "root is a symbolic link");
149 }
150
151 #define MAGICSTR "nakit ja muusiperunat maustevoilla"
152 static void *
153 dofifow(void *arg)
154 {
155 int fd = (int)(uintptr_t)arg;
156 char buf[512];
157
158 printf("writing\n");
159 strcpy(buf, MAGICSTR);
160 if (rump_sys_write(fd, buf, strlen(buf)+1) != strlen(buf)+1)
161 atf_tc_fail_errno("write to fifo");
162
163 return NULL;
164 }
165
166 ATF_TC_BODY(root_fifo, tc)
167 {
168 MAKEOPTS("-r", "fifo");
169 void *args;
170 pthread_t pt;
171 char buf[512];
172 int fd;
173
174 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
175
176 fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
177 if (fd == -1)
178 atf_tc_fail_errno("open fifo");
179
180 pthread_create(&pt, NULL, dofifow, (void *)(uintptr_t)fd);
181
182 memset(buf, 0, sizeof(buf));
183 if (rump_sys_read(fd, buf, sizeof(buf)) == -1)
184 atf_tc_fail_errno("read fifo");
185
186 ATF_REQUIRE_STREQ(buf, MAGICSTR);
187 rump_sys_close(fd);
188
189 FSTEST_DESTRUCTOR(tc, puffs, args);
190 }
191
192 ATF_TC(root_chrdev);
193 ATF_TC_HEAD(root_chrdev, tc)
194 {
195
196 atf_tc_set_md_var(tc, "descr", "root is /dev/null");
197 }
198
199 ATF_TC_BODY(root_chrdev, tc)
200 {
201 MAKEOPTS("-r", "chr 2 0");
202 void *args;
203 ssize_t rv;
204 char buf[512];
205 int fd;
206
207 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
208
209 fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
210 if (fd == -1)
211 atf_tc_fail_errno("open null");
212
213 rv = rump_sys_write(fd, buf, sizeof(buf));
214 ATF_REQUIRE(rv == sizeof(buf));
215
216 rv = rump_sys_read(fd, buf, sizeof(buf));
217 ATF_REQUIRE(rv == 0);
218
219 rump_sys_close(fd);
220
221 FSTEST_DESTRUCTOR(tc, puffs, args);
222 }
223
224 /*
225 * Inactive/reclaim tests
226 */
227
228 ATF_TC(inactive_basic);
229 ATF_TC_HEAD(inactive_basic, tc)
230 {
231
232 atf_tc_set_md_var(tc, "descr", "inactive gets called");
233 }
234
235 ATF_TC_BODY(inactive_basic, tc)
236 {
237 struct puffstestargs *pargs;
238 void *args;
239 int fd;
240
241 FSTEST_CONSTRUCTOR(tc, puffs, args);
242 FSTEST_ENTER();
243 pargs = args;
244
245 fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
246 if (fd == -1)
247 atf_tc_fail_errno("create");
248
249 /* none yet */
250 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
251
252 rump_sys_close(fd);
253
254 /* one for file */
255 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 1);
256
257 FSTEST_EXIT();
258
259 /* another for the mountpoint */
260 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 2);
261
262 FSTEST_DESTRUCTOR(tc, puffs, args);
263 }
264
265 ATF_TC(inactive_reclaim);
266 ATF_TC_HEAD(inactive_reclaim, tc)
267 {
268
269 atf_tc_set_md_var(tc, "descr", "inactive/reclaim gets called");
270 }
271
272 ATF_TC_BODY(inactive_reclaim, tc)
273 {
274 struct puffstestargs *pargs;
275 void *args;
276 int fd;
277
278 FSTEST_CONSTRUCTOR(tc, puffs, args);
279 FSTEST_ENTER();
280 pargs = args;
281
282 fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
283 if (fd == -1)
284 atf_tc_fail_errno("create");
285
286 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
287
288 if (rump_sys_unlink("file") == -1)
289 atf_tc_fail_errno("remove");
290
291 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
292 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
293
294 rump_sys_close(fd);
295 syncbar(FSTEST_MNTNAME);
296
297 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 1);
298 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
299
300 FSTEST_EXIT();
301 FSTEST_DESTRUCTOR(tc, puffs, args);
302 }
303
304 ATF_TC(reclaim_hardlink);
305 ATF_TC_HEAD(reclaim_hardlink, tc)
306 {
307
308 atf_tc_set_md_var(tc, "descr", "reclaim gets called only after "
309 "final link is gone");
310 }
311
312 ATF_TC_BODY(reclaim_hardlink, tc)
313 {
314 struct puffstestargs *pargs;
315 void *args;
316 int fd;
317 int ianow;
318
319 FSTEST_CONSTRUCTOR(tc, puffs, args);
320 FSTEST_ENTER();
321 pargs = args;
322
323 fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
324 if (fd == -1)
325 atf_tc_fail_errno("create");
326
327 if (rump_sys_link("file", "anotherfile") == -1)
328 atf_tc_fail_errno("create link");
329 rump_sys_close(fd);
330
331 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
332
333 /* unlink first hardlink */
334 if (rump_sys_unlink("file") == -1)
335 atf_tc_fail_errno("unlink 1");
336
337 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
338 ianow = pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE];
339
340 /* unlink second hardlink */
341 if (rump_sys_unlink("anotherfile") == -1)
342 atf_tc_fail_errno("unlink 2");
343
344 syncbar(FSTEST_MNTNAME);
345
346 ATF_REQUIRE(ianow < pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE]);
347 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
348
349 FSTEST_EXIT();
350 FSTEST_DESTRUCTOR(tc, puffs, args);
351 }
352
353 ATF_TC(unlink_accessible);
354 ATF_TC_HEAD(unlink_accessible, tc)
355 {
356
357 atf_tc_set_md_var(tc, "descr", "open file is accessible after "
358 "having been unlinked");
359 }
360
361 ATF_TC_BODY(unlink_accessible, tc)
362 {
363 MAKEOPTS("-i", "-o", "nopagecache");
364 struct puffstestargs *pargs;
365 void *args;
366 char buf[512];
367 int fd, ianow;
368
369 assert(sizeof(buf) > sizeof(MAGICSTR));
370
371 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
372 FSTEST_ENTER();
373 pargs = args;
374
375 fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
376 if (fd == -1)
377 atf_tc_fail_errno("create");
378
379 if (rump_sys_write(fd, MAGICSTR, sizeof(MAGICSTR)) != sizeof(MAGICSTR))
380 atf_tc_fail_errno("write");
381 if (rump_sys_unlink("file") == -1)
382 atf_tc_fail_errno("unlink");
383
384 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
385 ianow = pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE];
386
387 if (rump_sys_pread(fd, buf, sizeof(buf), 0) == -1)
388 atf_tc_fail_errno("read");
389 rump_sys_close(fd);
390
391 syncbar(FSTEST_MNTNAME);
392
393 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
394 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], ianow+1);
395
396 ATF_REQUIRE_STREQ(buf, MAGICSTR);
397
398 FSTEST_EXIT();
399 FSTEST_DESTRUCTOR(tc, puffs, args);
400 }
401
402 ATF_TP_ADD_TCS(tp)
403 {
404
405 ATF_TP_ADD_TC(tp, mount);
406
407 ATF_TP_ADD_TC(tp, root_fifo);
408 ATF_TP_ADD_TC(tp, root_lnk);
409 ATF_TP_ADD_TC(tp, root_reg);
410 ATF_TP_ADD_TC(tp, root_chrdev);
411
412 ATF_TP_ADD_TC(tp, inactive_basic);
413 ATF_TP_ADD_TC(tp, inactive_reclaim);
414 ATF_TP_ADD_TC(tp, reclaim_hardlink);
415 ATF_TP_ADD_TC(tp, unlink_accessible);
416
417 return atf_no_error();
418 }
419