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Current Path: /usr/src/tests/sys/fs/fusefs

📁 ..
📄 Makefile(1.88 KB)
📄 access.cc(8.25 KB)
📄 allow_other.cc(7.55 KB)
📄 bmap.cc(4.62 KB)
📄 cache.cc(6.41 KB)
📄 copy_file_range.cc(11.67 KB)
📄 create.cc(12.79 KB)
📄 default_permissions.cc(40.48 KB)
📄 default_permissions_privileged.cc(3.75 KB)
📄 destroy.cc(4.81 KB)
📄 dev_fuse_poll.cc(6.62 KB)
📄 fifo.cc(5.39 KB)
📄 flush.cc(6.41 KB)
📄 forget.cc(4.7 KB)
📄 fsync.cc(7.84 KB)
📄 fsyncdir.cc(5.11 KB)
📄 getattr.cc(9.57 KB)
📄 interrupt.cc(21.73 KB)
📄 io.cc(13.88 KB)
📄 link.cc(7.13 KB)
📄 locks.cc(12.17 KB)
📄 lookup.cc(11.8 KB)
📄 lseek.cc(10.33 KB)
📄 mkdir.cc(6.82 KB)
📄 mknod.cc(6.68 KB)
📄 mockfs.cc(26.08 KB)
📄 mockfs.hh(12.04 KB)
📄 mount.cc(4.96 KB)
📄 nfs.cc(10.01 KB)
📄 notify.cc(14.47 KB)
📄 open.cc(7.18 KB)
📄 opendir.cc(4.64 KB)
📄 read.cc(24.69 KB)
📄 readdir.cc(9.23 KB)
📄 readlink.cc(3.62 KB)
📄 release.cc(6.35 KB)
📄 releasedir.cc(3.44 KB)
📄 rename.cc(8.87 KB)
📄 rmdir.cc(4.68 KB)
📄 setattr.cc(23.89 KB)
📄 statfs.cc(5.12 KB)
📄 symlink.cc(5.29 KB)
📄 unlink.cc(6.91 KB)
📄 utils.cc(17.41 KB)
📄 utils.hh(7.91 KB)
📄 write.cc(38.98 KB)
📄 xattr.cc(22.52 KB)

Editing: link.cc

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2019 The FreeBSD Foundation
 *
 * This software was developed by BFF Storage Systems, LLC under sponsorship
 * from the FreeBSD Foundation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */

extern "C" {
#include <unistd.h>
}

#include "mockfs.hh"
#include "utils.hh"

using namespace testing;

class Link: public FuseTest {
public:
void expect_link(uint64_t ino, const char *relpath, mode_t mode, uint32_t nlink)
{
	EXPECT_CALL(*m_mock, process(
		ResultOf([=](auto in) {
			const char *name = (const char*)in.body.bytes
				+ sizeof(struct fuse_link_in);
			return (in.header.opcode == FUSE_LINK &&
				in.body.link.oldnodeid == ino &&
				(0 == strcmp(name, relpath)));
		}, Eq(true)),
		_)
	).WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, entry);
		out.body.entry.nodeid = ino;
		out.body.entry.attr.mode = mode;
		out.body.entry.attr.nlink = nlink;
		out.body.entry.attr_valid = UINT64_MAX;
		out.body.entry.entry_valid = UINT64_MAX;
	})));
}

void expect_lookup(const char *relpath, uint64_t ino)
{
	FuseTest::expect_lookup(relpath, ino, S_IFREG | 0644, 0, 1);
}
};

class Link_7_8: public FuseTest {
public:
virtual void SetUp() {
	m_kernel_minor_version = 8;
	FuseTest::SetUp();
}

void expect_link(uint64_t ino, const char *relpath, mode_t mode, uint32_t nlink)
{
	EXPECT_CALL(*m_mock, process(
		ResultOf([=](auto in) {
			const char *name = (const char*)in.body.bytes
				+ sizeof(struct fuse_link_in);
			return (in.header.opcode == FUSE_LINK &&
				in.body.link.oldnodeid == ino &&
				(0 == strcmp(name, relpath)));
		}, Eq(true)),
		_)
	).WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, entry_7_8);
		out.body.entry.nodeid = ino;
		out.body.entry.attr.mode = mode;
		out.body.entry.attr.nlink = nlink;
		out.body.entry.attr_valid = UINT64_MAX;
		out.body.entry.entry_valid = UINT64_MAX;
	})));
}

void expect_lookup(const char *relpath, uint64_t ino)
{
	FuseTest::expect_lookup_7_8(relpath, ino, S_IFREG | 0644, 0, 1);
}
};

/*
 * A successful link should clear the parent directory's attribute cache,
 * because the fuse daemon should update its mtime and ctime
 */
TEST_F(Link, clear_attr_cache)
{
	const char FULLPATH[] = "mountpoint/src";
	const char RELPATH[] = "src";
	const char FULLDST[] = "mountpoint/dst";
	const char RELDST[] = "dst";
	const uint64_t ino = 42;
	mode_t mode = S_IFREG | 0644;
	struct stat sb;

EXPECT_LOOKUP(FUSE_ROOT_ID, RELPATH)
	.WillOnce(Invoke(ReturnErrno(ENOENT)));
	EXPECT_CALL(*m_mock, process(
		ResultOf([=](auto in) {
			return (in.header.opcode == FUSE_GETATTR &&
				in.header.nodeid == FUSE_ROOT_ID);
		}, Eq(true)),
		_)
	).Times(2)
	.WillRepeatedly(Invoke(ReturnImmediate([=](auto i __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, attr);
		out.body.attr.attr.ino = FUSE_ROOT_ID;
		out.body.attr.attr.mode = S_IFDIR | 0755;
		out.body.attr.attr_valid = UINT64_MAX;
	})));

EXPECT_LOOKUP(FUSE_ROOT_ID, RELDST)
	
	.WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, entry);
		out.body.entry.attr.mode = mode;
		out.body.entry.nodeid = ino;
		out.body.entry.attr.nlink = 1;
		out.body.entry.attr_valid = UINT64_MAX;
		out.body.entry.entry_valid = UINT64_MAX;
	})));
	expect_link(ino, RELPATH, mode, 2);

EXPECT_EQ(0, stat("mountpoint", &sb)) << strerror(errno);
	EXPECT_EQ(0, link(FULLDST, FULLPATH)) << strerror(errno);
	EXPECT_EQ(0, stat("mountpoint", &sb)) << strerror(errno);
}

TEST_F(Link, emlink)
{
	const char FULLPATH[] = "mountpoint/lnk";
	const char RELPATH[] = "lnk";
	const char FULLDST[] = "mountpoint/dst";
	const char RELDST[] = "dst";
	uint64_t dst_ino = 42;

EXPECT_LOOKUP(FUSE_ROOT_ID, RELPATH)
	.WillOnce(Invoke(ReturnErrno(ENOENT)));
	expect_lookup(RELDST, dst_ino);

EXPECT_CALL(*m_mock, process(
		ResultOf([=](auto in) {
			const char *name = (const char*)in.body.bytes
				+ sizeof(struct fuse_link_in);
			return (in.header.opcode == FUSE_LINK &&
				in.body.link.oldnodeid == dst_ino &&
				(0 == strcmp(name, RELPATH)));
		}, Eq(true)),
		_)
	).WillOnce(Invoke(ReturnErrno(EMLINK)));

EXPECT_EQ(-1, link(FULLDST, FULLPATH));
	EXPECT_EQ(EMLINK, errno);
}

TEST_F(Link, ok)
{
	const char FULLPATH[] = "mountpoint/src";
	const char RELPATH[] = "src";
	const char FULLDST[] = "mountpoint/dst";
	const char RELDST[] = "dst";
	const uint64_t ino = 42;
	mode_t mode = S_IFREG | 0644;
	struct stat sb;

EXPECT_LOOKUP(FUSE_ROOT_ID, RELPATH)
	.WillOnce(Invoke(ReturnErrno(ENOENT)));
	EXPECT_LOOKUP(FUSE_ROOT_ID, RELDST)
	.WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, entry);
		out.body.entry.attr.mode = mode;
		out.body.entry.nodeid = ino;
		out.body.entry.attr.nlink = 1;
		out.body.entry.attr_valid = UINT64_MAX;
		out.body.entry.entry_valid = UINT64_MAX;
	})));
	expect_link(ino, RELPATH, mode, 2);

ASSERT_EQ(0, link(FULLDST, FULLPATH)) << strerror(errno);
	// Check that the original file's nlink count has increased.
	ASSERT_EQ(0, stat(FULLDST, &sb)) << strerror(errno);
	EXPECT_EQ(2ul, sb.st_nlink);
}

TEST_F(Link_7_8, ok)
{
	const char FULLPATH[] = "mountpoint/src";
	const char RELPATH[] = "src";
	const char FULLDST[] = "mountpoint/dst";
	const char RELDST[] = "dst";
	const uint64_t ino = 42;
	mode_t mode = S_IFREG | 0644;
	struct stat sb;

EXPECT_LOOKUP(FUSE_ROOT_ID, RELPATH)
	.WillOnce(Invoke(ReturnErrno(ENOENT)));
	EXPECT_LOOKUP(FUSE_ROOT_ID, RELDST)
	.WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
		SET_OUT_HEADER_LEN(out, entry_7_8);
		out.body.entry.attr.mode = mode;
		out.body.entry.nodeid = ino;
		out.body.entry.attr.nlink = 1;
		out.body.entry.attr_valid = UINT64_MAX;
		out.body.entry.entry_valid = UINT64_MAX;
	})));
	expect_link(ino, RELPATH, mode, 2);

003 File Manager

Editing: link.cc

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