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#include "llvm/ADT/SmallString.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/raw_socket_stream.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
#include <future>
#include <iostream>
#include <stdlib.h>
#include <thread>
#ifdef _WIN32
#include "llvm/Support/Windows/WindowsSupport.h"
#endif
using namespace llvm;
namespace {
bool hasUnixSocketSupport() {
#ifdef _WIN32
VersionTuple Ver = GetWindowsOSVersion();
if (Ver < VersionTuple(10, 0, 0, 17063))
return false;
#endif
return true;
}
TEST(raw_socket_streamTest, CLIENT_TO_SERVER_AND_SERVER_TO_CLIENT) {
if (!hasUnixSocketSupport())
GTEST_SKIP();
SmallString<100> SocketPath;
llvm::sys::fs::createUniquePath("client_server_comms.sock", SocketPath, true);
// Make sure socket file does not exist. May still be there from the last test
std::remove(SocketPath.c_str());
Expected<ListeningSocket> MaybeServerListener =
ListeningSocket::createUnix(SocketPath);
ASSERT_THAT_EXPECTED(MaybeServerListener, llvm::Succeeded());
ListeningSocket ServerListener = std::move(*MaybeServerListener);
Expected<std::unique_ptr<raw_socket_stream>> MaybeClient =
raw_socket_stream::createConnectedUnix(SocketPath);
ASSERT_THAT_EXPECTED(MaybeClient, llvm::Succeeded());
raw_socket_stream &Client = **MaybeClient;
Expected<std::unique_ptr<raw_socket_stream>> MaybeServer =
ServerListener.accept();
ASSERT_THAT_EXPECTED(MaybeServer, llvm::Succeeded());
raw_socket_stream &Server = **MaybeServer;
Client << "01234567";
Client.flush();
char Bytes[8];
ssize_t BytesRead = Server.read(Bytes, 8);
std::string string(Bytes, 8);
ASSERT_EQ(8, BytesRead);
ASSERT_EQ("01234567", string);
}
TEST(raw_socket_streamTest, TIMEOUT_PROVIDED) {
if (!hasUnixSocketSupport())
GTEST_SKIP();
SmallString<100> SocketPath;
llvm::sys::fs::createUniquePath("timout_provided.sock", SocketPath, true);
// Make sure socket file does not exist. May still be there from the last test
std::remove(SocketPath.c_str());
Expected<ListeningSocket> MaybeServerListener =
ListeningSocket::createUnix(SocketPath);
ASSERT_THAT_EXPECTED(MaybeServerListener, llvm::Succeeded());
ListeningSocket ServerListener = std::move(*MaybeServerListener);
std::chrono::milliseconds Timeout = std::chrono::milliseconds(100);
Expected<std::unique_ptr<raw_socket_stream>> MaybeServer =
ServerListener.accept(Timeout);
ASSERT_THAT_EXPECTED(MaybeServer, Failed());
llvm::Error Err = MaybeServer.takeError();
llvm::handleAllErrors(std::move(Err), [&](const llvm::StringError &SE) {
std::error_code EC = SE.convertToErrorCode();
ASSERT_EQ(EC, std::errc::timed_out);
});
}
TEST(raw_socket_streamTest, FILE_DESCRIPTOR_CLOSED) {
if (!hasUnixSocketSupport())
GTEST_SKIP();
SmallString<100> SocketPath;
llvm::sys::fs::createUniquePath("fd_closed.sock", SocketPath, true);
// Make sure socket file does not exist. May still be there from the last test
std::remove(SocketPath.c_str());
Expected<ListeningSocket> MaybeServerListener =
ListeningSocket::createUnix(SocketPath);
ASSERT_THAT_EXPECTED(MaybeServerListener, llvm::Succeeded());
ListeningSocket ServerListener = std::move(*MaybeServerListener);
// Create a separate thread to close the socket after a delay. Simulates a
// signal handler calling ServerListener::shutdown
std::thread CloseThread([&]() {
std::this_thread::sleep_for(std::chrono::milliseconds(500));
ServerListener.shutdown();
});
Expected<std::unique_ptr<raw_socket_stream>> MaybeServer =
ServerListener.accept();
// Wait for the CloseThread to finish
CloseThread.join();
ASSERT_THAT_EXPECTED(MaybeServer, Failed());
llvm::Error Err = MaybeServer.takeError();
llvm::handleAllErrors(std::move(Err), [&](const llvm::StringError &SE) {
std::error_code EC = SE.convertToErrorCode();
ASSERT_EQ(EC, std::errc::operation_canceled);
});
}
} // namespace
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