456 lines
9.5 KiB
C
456 lines
9.5 KiB
C
/* $NetBSD: t_basic.c,v 1.14 2017/01/13 21:30:40 christos Exp $ */
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <sys/socket.h>
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#include <assert.h>
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#include <atf-c.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <puffs.h>
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#include <puffsdump.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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#include "h_macros.h"
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#include "../common/h_fsmacros.h"
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/*
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* Do a synchronous operation. When this returns, all FAF operations
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* have at least been delivered to the file system.
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*
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* XXX: is this really good enough considering puffs(9)-issued
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* callback operations?
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*/
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static void
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syncbar(const char *fs)
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{
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struct statvfs svb;
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if (rump_sys_statvfs1(fs, &svb, ST_WAIT) == -1)
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atf_tc_fail_errno("statvfs");
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}
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#ifdef PUFFSDUMP
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static void __unused
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dumpopcount(struct puffstestargs *args)
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{
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size_t i;
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printf("VFS OPS:\n");
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for (i = 0; i < MIN(puffsdump_vfsop_count, PUFFS_VFS_MAX); i++) {
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printf("\t%s: %d\n",
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puffsdump_vfsop_revmap[i], args->pta_vfs_toserv_ops[i]);
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}
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printf("VN OPS:\n");
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for (i = 0; i < MIN(puffsdump_vnop_count, PUFFS_VN_MAX); i++) {
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printf("\t%s: %d\n",
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puffsdump_vnop_revmap[i], args->pta_vn_toserv_ops[i]);
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}
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}
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#endif
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ATF_TC(mount);
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ATF_TC_HEAD(mount, tc)
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{
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atf_tc_set_md_var(tc, "descr", "puffs+dtfs un/mount test");
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}
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ATF_TC_BODY(mount, tc)
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{
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void *args;
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FSTEST_CONSTRUCTOR(tc, puffs, args);
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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ATF_TC(root_reg);
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ATF_TC_HEAD(root_reg, tc)
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{
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atf_tc_set_md_var(tc, "descr", "root is a regular file");
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}
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#define MAKEOPTS(...) \
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char *theopts[] = {NULL, "-s", __VA_ARGS__, "dtfs", "n/a", NULL}
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ATF_TC_BODY(root_reg, tc)
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{
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MAKEOPTS("-r", "reg");
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void *args;
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int fd, rv;
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FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
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fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
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if (fd == -1)
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atf_tc_fail_errno("open root");
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if (rump_sys_write(fd, &fd, sizeof(fd)) != sizeof(fd))
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atf_tc_fail_errno("write to root");
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rv = rump_sys_mkdir(FSTEST_MNTNAME "/test", 0777);
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ATF_REQUIRE(errno == ENOTDIR);
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ATF_REQUIRE(rv == -1);
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rump_sys_close(fd);
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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ATF_TC(root_lnk);
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ATF_TC_HEAD(root_lnk, tc)
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{
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atf_tc_set_md_var(tc, "descr", "root is a symbolic link");
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}
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#define LINKSTR "/path/to/nowhere"
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ATF_TC_BODY(root_lnk, tc)
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{
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MAKEOPTS("-r", "lnk " LINKSTR);
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void *args;
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char buf[PATH_MAX];
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ssize_t len;
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FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
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if ((len = rump_sys_readlink(FSTEST_MNTNAME, buf, sizeof(buf)-1)) == -1)
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atf_tc_fail_errno("readlink");
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buf[len] = '\0';
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ATF_REQUIRE_STREQ(buf, LINKSTR);
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#if 0 /* XXX: unmount uses FOLLOW */
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if (rump_sys_unmount("/mp", 0) == -1)
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atf_tc_fail_errno("unmount");
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#endif
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}
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ATF_TC(root_fifo);
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ATF_TC_HEAD(root_fifo, tc)
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{
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atf_tc_set_md_var(tc, "descr", "root is a symbolic link");
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}
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#define MAGICSTR "nakit ja muusiperunat maustevoilla"
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static void *
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dofifow(void *arg)
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{
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int fd = (int)(uintptr_t)arg;
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char buf[512];
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printf("writing\n");
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strcpy(buf, MAGICSTR);
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if (rump_sys_write(fd, buf, strlen(buf)+1) != strlen(buf)+1)
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atf_tc_fail_errno("write to fifo");
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return NULL;
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}
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ATF_TC_BODY(root_fifo, tc)
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{
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MAKEOPTS("-r", "fifo");
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void *args;
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pthread_t pt;
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char buf[512];
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int fd;
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FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
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fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
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if (fd == -1)
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atf_tc_fail_errno("open fifo");
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pthread_create(&pt, NULL, dofifow, (void *)(uintptr_t)fd);
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memset(buf, 0, sizeof(buf));
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if (rump_sys_read(fd, buf, sizeof(buf)) == -1)
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atf_tc_fail_errno("read fifo");
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ATF_REQUIRE_STREQ(buf, MAGICSTR);
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rump_sys_close(fd);
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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ATF_TC(root_chrdev);
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ATF_TC_HEAD(root_chrdev, tc)
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{
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atf_tc_set_md_var(tc, "descr", "root is /dev/null");
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}
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ATF_TC_BODY(root_chrdev, tc)
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{
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MAKEOPTS("-r", "chr 2 2");
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void *args;
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ssize_t rv;
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char buf[512];
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int fd;
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FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
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fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
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if (fd == -1)
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atf_tc_fail_errno("open null");
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rv = rump_sys_write(fd, buf, sizeof(buf));
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ATF_REQUIRE(rv == sizeof(buf));
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rv = rump_sys_read(fd, buf, sizeof(buf));
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ATF_REQUIRE(rv == 0);
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rump_sys_close(fd);
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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/*
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* Inactive/reclaim tests
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*/
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ATF_TC(inactive_basic);
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ATF_TC_HEAD(inactive_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "inactive gets called");
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}
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ATF_TC_BODY(inactive_basic, tc)
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{
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struct puffstestargs *pargs;
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void *args;
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int fd;
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FSTEST_CONSTRUCTOR(tc, puffs, args);
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FSTEST_ENTER();
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pargs = args;
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fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
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if (fd == -1)
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atf_tc_fail_errno("create");
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/* none yet */
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
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rump_sys_close(fd);
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/* one for file */
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 1);
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FSTEST_EXIT();
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/* another for the mountpoint */
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 2);
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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ATF_TC(inactive_reclaim);
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ATF_TC_HEAD(inactive_reclaim, tc)
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{
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atf_tc_set_md_var(tc, "descr", "inactive/reclaim gets called");
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}
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ATF_TC_BODY(inactive_reclaim, tc)
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{
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struct puffstestargs *pargs;
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void *args;
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int fd;
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FSTEST_CONSTRUCTOR(tc, puffs, args);
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FSTEST_ENTER();
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pargs = args;
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fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
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if (fd == -1)
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atf_tc_fail_errno("create");
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
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if (rump_sys_unlink("file") == -1)
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atf_tc_fail_errno("remove");
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
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rump_sys_close(fd);
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syncbar(FSTEST_MNTNAME);
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ATF_REQUIRE(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE] > 0);
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
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FSTEST_EXIT();
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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ATF_TC(reclaim_hardlink);
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ATF_TC_HEAD(reclaim_hardlink, tc)
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{
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atf_tc_set_md_var(tc, "descr", "reclaim gets called only after "
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"final link is gone");
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}
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ATF_TC_BODY(reclaim_hardlink, tc)
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{
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struct puffstestargs *pargs;
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void *args;
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int fd;
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int ianow;
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FSTEST_CONSTRUCTOR(tc, puffs, args);
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FSTEST_ENTER();
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pargs = args;
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fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
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if (fd == -1)
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atf_tc_fail_errno("create");
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if (rump_sys_link("file", "anotherfile") == -1)
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atf_tc_fail_errno("create link");
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rump_sys_close(fd);
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
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/* unlink first hardlink */
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if (rump_sys_unlink("file") == -1)
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atf_tc_fail_errno("unlink 1");
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
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ianow = pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE];
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/* unlink second hardlink */
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if (rump_sys_unlink("anotherfile") == -1)
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atf_tc_fail_errno("unlink 2");
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syncbar(FSTEST_MNTNAME);
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ATF_REQUIRE(ianow < pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE]);
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
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FSTEST_EXIT();
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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ATF_TC(unlink_accessible);
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ATF_TC_HEAD(unlink_accessible, tc)
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{
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atf_tc_set_md_var(tc, "descr", "open file is accessible after "
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"having been unlinked");
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}
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ATF_TC_BODY(unlink_accessible, tc)
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{
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MAKEOPTS("-i", "-o", "nopagecache");
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struct puffstestargs *pargs;
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void *args;
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char buf[512];
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int fd, ianow;
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assert(sizeof(buf) > sizeof(MAGICSTR));
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FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
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FSTEST_ENTER();
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pargs = args;
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fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
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if (fd == -1)
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atf_tc_fail_errno("create");
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if (rump_sys_write(fd, MAGICSTR, sizeof(MAGICSTR)) != sizeof(MAGICSTR))
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atf_tc_fail_errno("write");
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if (rump_sys_unlink("file") == -1)
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atf_tc_fail_errno("unlink");
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
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ianow = pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE];
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if (rump_sys_pread(fd, buf, sizeof(buf), 0) == -1)
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atf_tc_fail_errno("read");
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rump_sys_close(fd);
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syncbar(FSTEST_MNTNAME);
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ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
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ATF_REQUIRE(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE] > ianow);
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ATF_REQUIRE_STREQ(buf, MAGICSTR);
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FSTEST_EXIT();
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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ATF_TC(signals);
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ATF_TC_HEAD(signals, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Checks that sending a signal can "
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"cause an interrupt to puffs wait");
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}
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extern struct proc *rumpns_initproc;
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extern void rumpns_psignal(struct proc *, int);
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extern void rumpns_sigclearall(struct proc *, void *, void *);
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ATF_TC_BODY(signals, tc)
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{
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struct stat sb;
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void *args;
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rump_boot_setsigmodel(RUMP_SIGMODEL_RECORD);
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FSTEST_CONSTRUCTOR(tc, puffs, args);
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FSTEST_ENTER();
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RL(rump_sys_stat(".", &sb));
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/* send SIGUSR1, should not affect puffs ops */
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rump_schedule();
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rumpns_psignal(rumpns_initproc, SIGUSR1);
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rump_unschedule();
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RL(rump_sys_stat(".", &sb));
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/* send SIGTERM, should get EINTR */
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rump_schedule();
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rumpns_psignal(rumpns_initproc, SIGTERM);
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rump_unschedule();
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ATF_REQUIRE_ERRNO(EINTR, rump_sys_stat(".", &sb) == -1);
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/* clear sigmask so that we can unmount */
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rump_schedule();
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rumpns_sigclearall(rumpns_initproc, NULL, NULL);
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rump_unschedule();
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FSTEST_EXIT();
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FSTEST_DESTRUCTOR(tc, puffs, args);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, mount);
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ATF_TP_ADD_TC(tp, root_fifo);
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ATF_TP_ADD_TC(tp, root_lnk);
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ATF_TP_ADD_TC(tp, root_reg);
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ATF_TP_ADD_TC(tp, root_chrdev);
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ATF_TP_ADD_TC(tp, inactive_basic);
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ATF_TP_ADD_TC(tp, inactive_reclaim);
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ATF_TP_ADD_TC(tp, reclaim_hardlink);
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ATF_TP_ADD_TC(tp, unlink_accessible);
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ATF_TP_ADD_TC(tp, signals);
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return atf_no_error();
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}
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