Index: projects/fuse2/tests/sys/fs/fusefs/dev_fuse_poll.cc =================================================================== --- projects/fuse2/tests/sys/fs/fusefs/dev_fuse_poll.cc (revision 347629) +++ projects/fuse2/tests/sys/fs/fusefs/dev_fuse_poll.cc (revision 347630) @@ -1,224 +1,227 @@ /*- * 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. */ /* * This file tests different polling methods for the /dev/fuse device */ extern "C" { #include #include #include } #include "mockfs.hh" #include "utils.hh" using namespace testing; const char FULLPATH[] = "mountpoint/some_file.txt"; const char RELPATH[] = "some_file.txt"; const uint64_t ino = 42; const mode_t access_mode = R_OK; /* * Translate a poll method's string representation to the enum value. * Using strings with ::testing::Values gives better output with * --gtest_list_tests */ enum poll_method poll_method_from_string(const char *s) { if (0 == strcmp("BLOCKING", s)) return BLOCKING; else if (0 == strcmp("KQ", s)) return KQ; else if (0 == strcmp("POLL", s)) return POLL; else return SELECT; } class DevFusePoll: public FuseTest, public WithParamInterface { virtual void SetUp() { m_pm = poll_method_from_string(GetParam()); FuseTest::SetUp(); } }; class Kqueue: public FuseTest { virtual void SetUp() { m_pm = KQ; FuseTest::SetUp(); } }; TEST_P(DevFusePoll, access) { expect_access(1, X_OK, 0); expect_lookup(RELPATH, ino, S_IFREG | 0644, 0, 1); expect_access(ino, access_mode, 0); ASSERT_EQ(0, access(FULLPATH, access_mode)) << strerror(errno); } /* Ensure that we wake up pollers during unmount */ TEST_P(DevFusePoll, destroy) { expect_forget(1, 1); expect_destroy(0); m_mock->unmount(); } INSTANTIATE_TEST_CASE_P(PM, DevFusePoll, ::testing::Values("BLOCKING", "KQ", "POLL", "SELECT")); static void* statter(void* arg) { const char *name; struct stat sb; name = (const char*)arg; stat(name, &sb); return 0; } /* * A kevent's data field should contain the number of operations available to * be immediately rea. */ TEST_F(Kqueue, data) { pthread_t th0, th1, th2; sem_t sem0, sem1; int nready0, nready1, nready2; uint64_t foo_ino = 42; uint64_t bar_ino = 43; uint64_t baz_ino = 44; + Sequence seq; ASSERT_EQ(0, sem_init(&sem0, 0, 0)) << strerror(errno); ASSERT_EQ(0, sem_init(&sem1, 0, 0)) << strerror(errno); EXPECT_LOOKUP(1, "foo") .WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto out) { SET_OUT_HEADER_LEN(out, entry); out->body.entry.entry_valid = UINT64_MAX; out->body.entry.attr.mode = S_IFREG | 0644; out->body.entry.nodeid = foo_ino; }))); EXPECT_LOOKUP(1, "bar") .WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto out) { SET_OUT_HEADER_LEN(out, entry); out->body.entry.entry_valid = UINT64_MAX; out->body.entry.attr.mode = S_IFREG | 0644; out->body.entry.nodeid = bar_ino; }))); EXPECT_LOOKUP(1, "baz") .WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto out) { SET_OUT_HEADER_LEN(out, entry); out->body.entry.entry_valid = UINT64_MAX; out->body.entry.attr.mode = S_IFREG | 0644; out->body.entry.nodeid = baz_ino; }))); EXPECT_CALL(*m_mock, process( ResultOf([=](auto in) { return (in->header.opcode == FUSE_GETATTR && in->header.nodeid == foo_ino); }, Eq(true)), _) ) .WillOnce(Invoke(ReturnImmediate([&](auto in, auto out) { nready0 = m_mock->m_nready; sem_post(&sem0); // Block the daemon so we can accumulate a few more ops sem_wait(&sem1); out->header.unique = in->header.unique; out->header.error = -EIO; out->header.len = sizeof(out->header); }))); EXPECT_CALL(*m_mock, process( ResultOf([=](auto in) { return (in->header.opcode == FUSE_GETATTR && - in->header.nodeid == bar_ino); + (in->header.nodeid == bar_ino || + in->header.nodeid == baz_ino)); }, Eq(true)), _) - ) + ).InSequence(seq) .WillOnce(Invoke(ReturnImmediate([&](auto in, auto out) { nready1 = m_mock->m_nready; out->header.unique = in->header.unique; out->header.error = -EIO; out->header.len = sizeof(out->header); }))); EXPECT_CALL(*m_mock, process( ResultOf([=](auto in) { return (in->header.opcode == FUSE_GETATTR && - in->header.nodeid == baz_ino); + (in->header.nodeid == bar_ino || + in->header.nodeid == baz_ino)); }, Eq(true)), _) - ) + ).InSequence(seq) .WillOnce(Invoke(ReturnImmediate([&](auto in, auto out) { nready2 = m_mock->m_nready; out->header.unique = in->header.unique; out->header.error = -EIO; out->header.len = sizeof(out->header); }))); /* * Create cached lookup entries for these files. It seems that only * one thread at a time can be in VOP_LOOKUP for a given directory */ access("mountpoint/foo", F_OK); access("mountpoint/bar", F_OK); access("mountpoint/baz", F_OK); ASSERT_EQ(0, pthread_create(&th0, NULL, statter, (void*)"mountpoint/foo")) << strerror(errno); EXPECT_EQ(0, sem_wait(&sem0)) << strerror(errno); ASSERT_EQ(0, pthread_create(&th1, NULL, statter, (void*)"mountpoint/bar")) << strerror(errno); ASSERT_EQ(0, pthread_create(&th2, NULL, statter, (void*)"mountpoint/baz")) << strerror(errno); nap(); // Allow th1 and th2 to send their ops to the daemon EXPECT_EQ(0, sem_post(&sem1)) << strerror(errno); pthread_join(th0, NULL); pthread_join(th1, NULL); pthread_join(th2, NULL); EXPECT_EQ(1, nready0); EXPECT_EQ(2, nready1); EXPECT_EQ(1, nready2); sem_destroy(&sem0); sem_destroy(&sem1); }