60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "test/syscalls/linux/socket_blocking.h"
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include <cstdio>
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#include "gtest/gtest.h"
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#include "absl/time/clock.h"
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#include "absl/time/time.h"
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#include "test/syscalls/linux/socket_test_util.h"
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#include "test/syscalls/linux/unix_domain_socket_test_util.h"
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#include "test/util/test_util.h"
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#include "test/util/thread_util.h"
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#include "test/util/timer_util.h"
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namespace gvisor {
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namespace testing {
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TEST_P(BlockingSocketPairTest, RecvBlocks) {
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auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
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char sent_data[100];
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RandomizeBuffer(sent_data, sizeof(sent_data));
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constexpr auto kDuration = absl::Milliseconds(200);
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auto before = Now(CLOCK_MONOTONIC);
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const ScopedThread t([&]() {
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absl::SleepFor(kDuration);
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ASSERT_THAT(write(sockets->first_fd(), sent_data, sizeof(sent_data)),
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SyscallSucceedsWithValue(sizeof(sent_data)));
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});
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char received_data[sizeof(sent_data)] = {};
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ASSERT_THAT(RetryEINTR(recv)(sockets->second_fd(), received_data,
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sizeof(received_data), 0),
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SyscallSucceedsWithValue(sizeof(received_data)));
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auto after = Now(CLOCK_MONOTONIC);
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EXPECT_GE(after - before, kDuration);
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}
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} // namespace testing
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} // namespace gvisor
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