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// Copyright 2022 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <grpc/support/port_platform.h>
#ifdef GPR_WINDOWS
#include <gtest/gtest.h>
#include "absl/status/status.h"
#include "absl/time/time.h"
#include <grpc/grpc.h>
#include <grpc/support/log_windows.h>
#include "src/core/lib/event_engine/common_closures.h"
#include "src/core/lib/event_engine/thread_pool.h"
#include "src/core/lib/event_engine/windows/iocp.h"
#include "src/core/lib/event_engine/windows/win_socket.h"
#include "src/core/lib/iomgr/error.h"
#include "test/core/event_engine/windows/create_sockpair.h"
namespace {
using ::grpc_event_engine::experimental::AnyInvocableClosure;
using ::grpc_event_engine::experimental::CreateSockpair;
using ::grpc_event_engine::experimental::IOCP;
using ::grpc_event_engine::experimental::ThreadPool;
using ::grpc_event_engine::experimental::WinSocket;
} // namespace
class WinSocketTest : public testing::Test {};
TEST_F(WinSocketTest, ManualReadEventTriggeredWithoutIO) {
ThreadPool executor;
SOCKET sockpair[2];
CreateSockpair(sockpair, IOCP::GetDefaultSocketFlags());
WinSocket wrapped_client_socket(sockpair[0], &executor);
WinSocket wrapped_server_socket(sockpair[1], &executor);
bool read_called = false;
AnyInvocableClosure on_read([&read_called]() { read_called = true; });
wrapped_client_socket.NotifyOnRead(&on_read);
AnyInvocableClosure on_write([] { FAIL() << "No Write expected"; });
wrapped_client_socket.NotifyOnWrite(&on_write);
ASSERT_FALSE(read_called);
wrapped_client_socket.SetReadable();
absl::Time deadline = absl::Now() + absl::Seconds(10);
while (!read_called) {
absl::SleepFor(absl::Milliseconds(42));
if (deadline < absl::Now()) {
FAIL() << "Deadline exceeded";
}
}
ASSERT_TRUE(read_called);
wrapped_client_socket.MaybeShutdown(absl::CancelledError("done"));
wrapped_server_socket.MaybeShutdown(absl::CancelledError("done"));
executor.Quiesce();
}
TEST_F(WinSocketTest, NotificationCalledImmediatelyOnShutdownWinSocket) {
ThreadPool executor;
SOCKET sockpair[2];
CreateSockpair(sockpair, IOCP::GetDefaultSocketFlags());
WinSocket wrapped_client_socket(sockpair[0], &executor);
wrapped_client_socket.MaybeShutdown(absl::CancelledError("testing"));
bool read_called = false;
AnyInvocableClosure closure([&wrapped_client_socket, &read_called] {
ASSERT_EQ(wrapped_client_socket.read_info()->bytes_transferred(), 0);
ASSERT_EQ(wrapped_client_socket.read_info()->wsa_error(), WSAESHUTDOWN);
read_called = true;
});
wrapped_client_socket.NotifyOnRead(&closure);
absl::Time deadline = absl::Now() + absl::Seconds(3);
while (!read_called) {
absl::SleepFor(absl::Milliseconds(42));
if (deadline < absl::Now()) {
FAIL() << "Deadline exceeded";
}
}
ASSERT_TRUE(read_called);
closesocket(sockpair[1]);
executor.Quiesce();
}
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
grpc_init();
int status = RUN_ALL_TESTS();
grpc_shutdown();
return status;
}
#else // not GPR_WINDOWS
int main(int /* argc */, char** /* argv */) { return 0; }
#endif
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