minus the vendor Makefiles Provide directions for how to bootstrap the vendor sources in FREEBSD-upgrade MFC after 2 weeks Discussed with: rpaulo Sponsored by: EMC / Isilon Storage Division
327 lines
7.9 KiB
C
327 lines
7.9 KiB
C
/* $NetBSD: fstest_nfs.c,v 1.9 2011/02/28 21:08:46 pooka Exp $ */
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/*
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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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 <sys/statvfs.h>
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#include <sys/wait.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 <libgen.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_fsmacros.h"
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#include "mount_nfs.h"
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#include "../../net/config/netconfig.c"
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#define SERVERADDR "10.3.2.1"
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#define SERVERROADDR "10.4.2.1"
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#define CLIENTADDR "10.3.2.2"
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#define CLIENTROADDR "10.4.2.2"
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#define NETNETMASK "255.255.255.0"
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#define EXPORTPATH "/myexport"
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static void
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childfail(int status)
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{
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atf_tc_fail("child died");
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}
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/* fork rump nfsd, configure interface */
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static int
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donewfs(const atf_tc_t *tc, void **argp,
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const char *image, off_t size, void *fspriv)
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{
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const char *srcdir;
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char *nfsdargv[16];
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char nfsdpath[MAXPATHLEN];
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char imagepath[MAXPATHLEN];
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char ethername[MAXPATHLEN], ethername_ro[MAXPATHLEN];
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char ifname[IFNAMSIZ], ifname_ro[IFNAMSIZ];
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char cwd[MAXPATHLEN];
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struct nfstestargs *args;
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pid_t childpid;
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int pipes[2];
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int devnull;
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/*
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* First, we start the nfs service.
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*/
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srcdir = atf_tc_get_config_var(tc, "srcdir");
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sprintf(nfsdpath, "%s/../nfs/nfsservice/rumpnfsd", srcdir);
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sprintf(ethername, "/%s/%s.etherbus", getcwd(cwd, sizeof(cwd)), image);
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sprintf(ethername_ro, "%s_ro", ethername);
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sprintf(imagepath, "/%s/%s", cwd, image);
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nfsdargv[0] = nfsdpath;
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nfsdargv[1] = ethername;
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nfsdargv[2] = ethername_ro;
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nfsdargv[3] = __UNCONST(SERVERADDR);
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nfsdargv[4] = __UNCONST(SERVERROADDR);
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nfsdargv[5] = __UNCONST(NETNETMASK);
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nfsdargv[6] = __UNCONST(EXPORTPATH);
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nfsdargv[7] = imagepath;
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nfsdargv[8] = NULL;
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signal(SIGCHLD, childfail);
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if (pipe(pipes) == -1)
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return errno;
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switch ((childpid = fork())) {
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case 0:
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if (chdir(dirname(nfsdpath)) == -1)
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err(1, "chdir");
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close(pipes[0]);
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if (dup2(pipes[1], 3) == -1)
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err(1, "dup2");
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if (execvp(nfsdargv[0], nfsdargv) == -1)
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err(1, "execvp");
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case -1:
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return errno;
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default:
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close(pipes[1]);
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break;
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}
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/*
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* Ok, nfsd has been run. The following sleep helps with the
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* theoretical problem that nfsd can't start fast enough to
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* process our mount request and we end up doing a timeout
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* before the mount. This would take several seconds. So
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* try to make sure nfsd is up&running already at this stage.
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*/
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if (read(pipes[0], &devnull, 4) == -1)
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return errno;
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/*
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* Configure our networking interface.
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*/
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rump_init();
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netcfg_rump_makeshmif(ethername, ifname);
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netcfg_rump_if(ifname, CLIENTADDR, NETNETMASK);
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netcfg_rump_makeshmif(ethername_ro, ifname_ro);
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netcfg_rump_if(ifname_ro, CLIENTROADDR, NETNETMASK);
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/*
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* That's it. The rest is done in mount, since we don't have
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* the mountpath available here.
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*/
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args = malloc(sizeof(*args));
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if (args == NULL)
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return errno;
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memset(args, 0, sizeof(*args));
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args->ta_childpid = childpid;
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strcpy(args->ta_ethername, ethername);
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*argp = args;
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return 0;
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}
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int
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nfs_fstest_newfs(const atf_tc_t *tc, void **argp,
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const char *image, off_t size, void *fspriv)
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{
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return donewfs(tc, argp, image, size, fspriv);
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}
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int
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nfsro_fstest_newfs(const atf_tc_t *tc, void **argp,
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const char *image, off_t size, void *fspriv)
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{
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return donewfs(tc, argp, image, size, fspriv);
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}
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/* mount the file system */
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static int
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domount(const atf_tc_t *tc, void *arg, const char *serverpath,
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const char *path, int flags)
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{
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char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN];
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const char *nfscliargs[] = {
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"nfsclient",
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serverpath,
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path,
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NULL,
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};
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struct nfs_args args;
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int mntflags;
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if (rump_sys_mkdir(path, 0777) == -1)
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return errno;
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/* XXX: atf does not reset values */
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optind = 1;
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opterr = 1;
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/*
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* We use nfs parseargs here, since as a side effect it
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* takes care of the RPC hulabaloo.
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*/
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mount_nfs_parseargs(__arraycount(nfscliargs)-1, __UNCONST(nfscliargs),
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&args, &mntflags, canon_dev, canon_dir);
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if (rump_sys_mount(MOUNT_NFS, path, flags, &args, sizeof(args)) == -1) {
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return errno;
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}
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return 0;
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}
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int
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nfs_fstest_mount(const atf_tc_t *tc, void *arg, const char *path, int flags)
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{
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return domount(tc, arg, SERVERADDR ":" EXPORTPATH, path, flags);
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}
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/*
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* This is where the magic happens!
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*
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* If we are mounting r/w, do the normal thing. However, if we are
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* doing a r/o mount, switch use the r/o server export address
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* and do a r/w mount. This way we end up testing the r/o export policy
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* of the server! (yes, slightly questionable semantics, but at least
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* we notice very quickly if our assumption is broken in the future ;)
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*/
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int
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nfsro_fstest_mount(const atf_tc_t *tc, void *arg, const char *path, int flags)
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{
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if (flags & MNT_RDONLY) {
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flags &= ~MNT_RDONLY;
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return domount(tc, arg, SERVERROADDR":"EXPORTPATH, path, flags);
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} else {
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return domount(tc, arg, SERVERADDR":"EXPORTPATH, path, flags);
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}
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}
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static int
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dodelfs(const atf_tc_t *tc, void *arg)
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{
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/*
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* XXX: no access to "args" since we're called from "cleanup".
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* Trust atf to kill nfsd process and remove etherfile.
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*/
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#if 0
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/*
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* It's highly expected that the child will die next, so we
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* don't need that information anymore thank you very many.
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*/
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signal(SIGCHLD, SIG_IGN);
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/*
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* Just KILL it. Sending it SIGTERM first causes it to try
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* to send some unmount RPCs, leading to sticky situations.
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*/
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kill(args->ta_childpid, SIGKILL);
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wait(&status);
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/* remove ethernet bus */
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if (unlink(args->ta_ethername) == -1)
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atf_tc_fail_errno("unlink ethername");
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#endif
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return 0;
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}
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int
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nfs_fstest_delfs(const atf_tc_t *tc, void *arg)
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{
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return dodelfs(tc, arg);
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}
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int
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nfsro_fstest_delfs(const atf_tc_t *tc, void *arg)
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{
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return dodelfs(tc, arg);
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}
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static int
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dounmount(const atf_tc_t *tc, const char *path, int flags)
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{
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int status, i, sverrno;
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/*
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* NFS handles sillyrenames in an workqueue. Some of them might
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* be still in the queue even if all user activity has ceased.
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* We try to unmount for 2 seconds to give them a chance
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* to flush out.
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*
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* PR kern/43799
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*/
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for (i = 0; i < 20; i++) {
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if ((status = rump_sys_unmount(path, flags)) == 0)
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break;
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sverrno = errno;
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if (sverrno != EBUSY)
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break;
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usleep(100000);
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}
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if (status == -1)
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return sverrno;
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if (rump_sys_rmdir(path) == -1)
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return errno;
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return 0;
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}
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int
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nfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
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{
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return dounmount(tc, path, flags);
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}
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int
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nfsro_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
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{
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return dounmount(tc, path, flags);
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}
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