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//===-- SocketTest.cpp ----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "TestingSupport/Host/SocketTestUtilities.h"
#include "TestingSupport/SubsystemRAII.h"
#include "lldb/Host/Config.h"
#include "lldb/Utility/UriParser.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace lldb_private;
struct SocketTestParams {
bool is_ipv6;
std::string localhost_ip;
};
class SocketTest : public testing::TestWithParam<SocketTestParams> {
public:
SubsystemRAII<Socket> subsystems;
protected:
bool HostSupportsProtocol() const {
if (GetParam().is_ipv6)
return HostSupportsIPv6();
return HostSupportsIPv4();
}
};
TEST_P(SocketTest, DecodeHostAndPort) {
EXPECT_THAT_EXPECTED(Socket::DecodeHostAndPort("localhost:1138"),
llvm::HasValue(Socket::HostAndPort{"localhost", 1138}));
EXPECT_THAT_EXPECTED(
Socket::DecodeHostAndPort("google.com:65536"),
llvm::FailedWithMessage(
"invalid host:port specification: 'google.com:65536'"));
EXPECT_THAT_EXPECTED(
Socket::DecodeHostAndPort("google.com:-1138"),
llvm::FailedWithMessage(
"invalid host:port specification: 'google.com:-1138'"));
EXPECT_THAT_EXPECTED(
Socket::DecodeHostAndPort("google.com:65536"),
llvm::FailedWithMessage(
"invalid host:port specification: 'google.com:65536'"));
EXPECT_THAT_EXPECTED(Socket::DecodeHostAndPort("12345"),
llvm::HasValue(Socket::HostAndPort{"", 12345}));
EXPECT_THAT_EXPECTED(Socket::DecodeHostAndPort("*:0"),
llvm::HasValue(Socket::HostAndPort{"*", 0}));
EXPECT_THAT_EXPECTED(Socket::DecodeHostAndPort("*:65535"),
llvm::HasValue(Socket::HostAndPort{"*", 65535}));
EXPECT_THAT_EXPECTED(
Socket::DecodeHostAndPort("[::1]:12345"),
llvm::HasValue(Socket::HostAndPort{"::1", 12345}));
EXPECT_THAT_EXPECTED(
Socket::DecodeHostAndPort("[abcd:12fg:AF58::1]:12345"),
llvm::HasValue(Socket::HostAndPort{"abcd:12fg:AF58::1", 12345}));
}
#if LLDB_ENABLE_POSIX
TEST_P(SocketTest, DomainListenConnectAccept) {
llvm::SmallString<64> Path;
std::error_code EC = llvm::sys::fs::createUniqueDirectory("DomainListenConnectAccept", Path);
ASSERT_FALSE(EC);
llvm::sys::path::append(Path, "test");
// Skip the test if the $TMPDIR is too long to hold a domain socket.
if (Path.size() > 107u)
return;
std::unique_ptr<DomainSocket> socket_a_up;
std::unique_ptr<DomainSocket> socket_b_up;
CreateDomainConnectedSockets(Path, &socket_a_up, &socket_b_up);
}
#endif
TEST_P(SocketTest, TCPListen0ConnectAccept) {
if (!HostSupportsProtocol())
return;
std::unique_ptr<TCPSocket> socket_a_up;
std::unique_ptr<TCPSocket> socket_b_up;
CreateTCPConnectedSockets(GetParam().localhost_ip, &socket_a_up,
&socket_b_up);
}
TEST_P(SocketTest, TCPGetAddress) {
std::unique_ptr<TCPSocket> socket_a_up;
std::unique_ptr<TCPSocket> socket_b_up;
if (!HostSupportsProtocol())
return;
CreateTCPConnectedSockets(GetParam().localhost_ip, &socket_a_up,
&socket_b_up);
EXPECT_EQ(socket_a_up->GetLocalPortNumber(),
socket_b_up->GetRemotePortNumber());
EXPECT_EQ(socket_b_up->GetLocalPortNumber(),
socket_a_up->GetRemotePortNumber());
EXPECT_NE(socket_a_up->GetLocalPortNumber(),
socket_b_up->GetLocalPortNumber());
EXPECT_STREQ(GetParam().localhost_ip.c_str(),
socket_a_up->GetRemoteIPAddress().c_str());
EXPECT_STREQ(GetParam().localhost_ip.c_str(),
socket_b_up->GetRemoteIPAddress().c_str());
}
TEST_P(SocketTest, UDPConnect) {
// UDPSocket::Connect() creates sockets with AF_INET (IPv4).
if (!HostSupportsIPv4())
return;
llvm::Expected<std::unique_ptr<UDPSocket>> socket =
UDPSocket::Connect("127.0.0.1:0", /*child_processes_inherit=*/false);
ASSERT_THAT_EXPECTED(socket, llvm::Succeeded());
EXPECT_TRUE(socket.get()->IsValid());
}
TEST_P(SocketTest, TCPListen0GetPort) {
if (!HostSupportsIPv4())
return;
llvm::Expected<std::unique_ptr<TCPSocket>> sock =
Socket::TcpListen("10.10.12.3:0", false);
ASSERT_THAT_EXPECTED(sock, llvm::Succeeded());
ASSERT_TRUE(sock.get()->IsValid());
EXPECT_NE(sock.get()->GetLocalPortNumber(), 0);
}
TEST_P(SocketTest, TCPGetConnectURI) {
std::unique_ptr<TCPSocket> socket_a_up;
std::unique_ptr<TCPSocket> socket_b_up;
if (!HostSupportsProtocol())
return;
CreateTCPConnectedSockets(GetParam().localhost_ip, &socket_a_up,
&socket_b_up);
std::string uri(socket_a_up->GetRemoteConnectionURI());
EXPECT_EQ((URI{"connect", GetParam().localhost_ip,
socket_a_up->GetRemotePortNumber(), "/"}),
URI::Parse(uri));
}
TEST_P(SocketTest, UDPGetConnectURI) {
// UDPSocket::Connect() creates sockets with AF_INET (IPv4).
if (!HostSupportsIPv4())
return;
llvm::Expected<std::unique_ptr<UDPSocket>> socket =
UDPSocket::Connect("127.0.0.1:0", /*child_processes_inherit=*/false);
ASSERT_THAT_EXPECTED(socket, llvm::Succeeded());
std::string uri = socket.get()->GetRemoteConnectionURI();
EXPECT_EQ((URI{"udp", "127.0.0.1", 0, "/"}), URI::Parse(uri));
}
#if LLDB_ENABLE_POSIX
TEST_P(SocketTest, DomainGetConnectURI) {
llvm::SmallString<64> domain_path;
std::error_code EC =
llvm::sys::fs::createUniqueDirectory("DomainListenConnectAccept", domain_path);
ASSERT_FALSE(EC);
llvm::sys::path::append(domain_path, "test");
// Skip the test if the $TMPDIR is too long to hold a domain socket.
if (domain_path.size() > 107u)
return;
std::unique_ptr<DomainSocket> socket_a_up;
std::unique_ptr<DomainSocket> socket_b_up;
CreateDomainConnectedSockets(domain_path, &socket_a_up, &socket_b_up);
std::string uri(socket_a_up->GetRemoteConnectionURI());
EXPECT_EQ((URI{"unix-connect", "", std::nullopt, domain_path}),
URI::Parse(uri));
EXPECT_EQ(socket_b_up->GetRemoteConnectionURI(), "");
}
#endif
INSTANTIATE_TEST_SUITE_P(
SocketTests, SocketTest,
testing::Values(SocketTestParams{/*is_ipv6=*/false,
/*localhost_ip=*/"127.0.0.1"},
SocketTestParams{/*is_ipv6=*/true, /*localhost_ip=*/"::1"}),
// Prints "SocketTests/SocketTest.DecodeHostAndPort/ipv4" etc. in test logs.
[](const testing::TestParamInfo<SocketTestParams> &info) {
return info.param.is_ipv6 ? "ipv6" : "ipv4";
});
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