92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
// Copyright 2018 Google LLC
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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 <stdio.h>
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#include <sys/un.h>
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#include <algorithm>
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#include <vector>
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#include "gtest/gtest.h"
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#include "gtest/gtest.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/file_descriptor.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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namespace {
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TEST_P(AllSocketPairTest, BoundSenderAddrCoalesced) {
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auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
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ASSERT_THAT(bind(sockets->first_fd(), sockets->first_addr(),
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sockets->first_addr_size()),
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SyscallSucceeds());
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ASSERT_THAT(listen(sockets->first_fd(), 5), SyscallSucceeds());
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ASSERT_THAT(connect(sockets->second_fd(), sockets->first_addr(),
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sockets->first_addr_size()),
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SyscallSucceeds());
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int accepted = -1;
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ASSERT_THAT(accepted = accept(sockets->first_fd(), nullptr, nullptr),
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SyscallSucceeds());
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FileDescriptor closer(accepted);
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int i = 0;
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ASSERT_THAT(RetryEINTR(send)(sockets->second_fd(), &i, sizeof(i), 0),
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SyscallSucceedsWithValue(sizeof(i)));
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ASSERT_THAT(bind(sockets->second_fd(), sockets->second_addr(),
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sockets->second_addr_size()),
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SyscallSucceeds());
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i = 0;
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ASSERT_THAT(RetryEINTR(send)(sockets->second_fd(), &i, sizeof(i), 0),
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SyscallSucceedsWithValue(sizeof(i)));
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int ri[2] = {0, 0};
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struct sockaddr_storage addr;
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socklen_t addr_len = sizeof(addr);
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ASSERT_THAT(
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RetryEINTR(recvfrom)(accepted, ri, sizeof(ri), 0,
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reinterpret_cast<sockaddr*>(&addr), &addr_len),
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SyscallSucceedsWithValue(sizeof(ri)));
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EXPECT_EQ(addr_len, sockets->second_addr_len());
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EXPECT_EQ(
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memcmp(&addr, sockets->second_addr(),
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std::min((size_t)addr_len, (size_t)sockets->second_addr_len())),
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0);
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}
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INSTANTIATE_TEST_CASE_P(
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AllUnixDomainSockets, AllSocketPairTest,
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::testing::ValuesIn(VecCat<SocketPairKind>(
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ApplyVec<SocketPairKind>(FilesystemUnboundUnixDomainSocketPair,
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AllBitwiseCombinations(List<int>{SOCK_STREAM},
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List<int>{
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0, SOCK_NONBLOCK})),
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ApplyVec<SocketPairKind>(
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AbstractUnboundUnixDomainSocketPair,
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AllBitwiseCombinations(List<int>{SOCK_STREAM},
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List<int>{0, SOCK_NONBLOCK})))));
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} // namespace
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} // namespace testing
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} // namespace gvisor
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