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//===-- SocketTest.cpp ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <cstdio>
#include <functional>
#include <thread>
#include "gtest/gtest.h"
#include "lldb/Host/Config.h"
#include "lldb/Host/Socket.h"
#include "lldb/Host/common/TCPSocket.h"
#include "lldb/Host/common/UDPSocket.h"
#ifndef LLDB_DISABLE_POSIX
#include "lldb/Host/posix/DomainSocket.h"
#endif
using namespace lldb_private;
class SocketTest : public testing::Test {
public:
void SetUp() override {
#if defined(_MSC_VER)
WSADATA data;
::WSAStartup(MAKEWORD(2, 2), &data);
#endif
}
void TearDown() override {
#if defined(_MSC_VER)
::WSACleanup();
#endif
}
protected:
static void AcceptThread(Socket *listen_socket,
const char *listen_remote_address,
bool child_processes_inherit, Socket **accept_socket,
Status *error) {
*error = listen_socket->Accept(*accept_socket);
}
template <typename SocketType>
void CreateConnectedSockets(
const char *listen_remote_address,
const std::function<std::string(const SocketType &)> &get_connect_addr,
std::unique_ptr<SocketType> *a_up, std::unique_ptr<SocketType> *b_up) {
bool child_processes_inherit = false;
Status error;
std::unique_ptr<SocketType> listen_socket_up(
new SocketType(true, child_processes_inherit));
EXPECT_FALSE(error.Fail());
error = listen_socket_up->Listen(listen_remote_address, 5);
EXPECT_FALSE(error.Fail());
EXPECT_TRUE(listen_socket_up->IsValid());
Status accept_error;
Socket *accept_socket;
std::thread accept_thread(AcceptThread, listen_socket_up.get(),
listen_remote_address, child_processes_inherit,
&accept_socket, &accept_error);
std::string connect_remote_address = get_connect_addr(*listen_socket_up);
std::unique_ptr<SocketType> connect_socket_up(
new SocketType(true, child_processes_inherit));
EXPECT_FALSE(error.Fail());
error = connect_socket_up->Connect(connect_remote_address);
EXPECT_FALSE(error.Fail());
EXPECT_TRUE(connect_socket_up->IsValid());
a_up->swap(connect_socket_up);
EXPECT_TRUE(error.Success());
EXPECT_NE(nullptr, a_up->get());
EXPECT_TRUE((*a_up)->IsValid());
accept_thread.join();
b_up->reset(static_cast<SocketType *>(accept_socket));
EXPECT_TRUE(accept_error.Success());
EXPECT_NE(nullptr, b_up->get());
EXPECT_TRUE((*b_up)->IsValid());
listen_socket_up.reset();
}
};
TEST_F(SocketTest, DecodeHostAndPort) {
std::string host_str;
std::string port_str;
int32_t port;
Status error;
EXPECT_TRUE(Socket::DecodeHostAndPort("localhost:1138", host_str, port_str,
port, &error));
EXPECT_STREQ("localhost", host_str.c_str());
EXPECT_STREQ("1138", port_str.c_str());
EXPECT_EQ(1138, port);
EXPECT_TRUE(error.Success());
EXPECT_FALSE(Socket::DecodeHostAndPort("google.com:65536", host_str, port_str,
port, &error));
EXPECT_TRUE(error.Fail());
EXPECT_STREQ("invalid host:port specification: 'google.com:65536'",
error.AsCString());
EXPECT_FALSE(Socket::DecodeHostAndPort("google.com:-1138", host_str, port_str,
port, &error));
EXPECT_TRUE(error.Fail());
EXPECT_STREQ("invalid host:port specification: 'google.com:-1138'",
error.AsCString());
EXPECT_FALSE(Socket::DecodeHostAndPort("google.com:65536", host_str, port_str,
port, &error));
EXPECT_TRUE(error.Fail());
EXPECT_STREQ("invalid host:port specification: 'google.com:65536'",
error.AsCString());
EXPECT_TRUE(
Socket::DecodeHostAndPort("12345", host_str, port_str, port, &error));
EXPECT_STREQ("", host_str.c_str());
EXPECT_STREQ("12345", port_str.c_str());
EXPECT_EQ(12345, port);
EXPECT_TRUE(error.Success());
EXPECT_TRUE(
Socket::DecodeHostAndPort("*:0", host_str, port_str, port, &error));
EXPECT_STREQ("*", host_str.c_str());
EXPECT_STREQ("0", port_str.c_str());
EXPECT_EQ(0, port);
EXPECT_TRUE(error.Success());
EXPECT_TRUE(
Socket::DecodeHostAndPort("*:65535", host_str, port_str, port, &error));
EXPECT_STREQ("*", host_str.c_str());
EXPECT_STREQ("65535", port_str.c_str());
EXPECT_EQ(65535, port);
EXPECT_TRUE(error.Success());
EXPECT_TRUE(
Socket::DecodeHostAndPort("[::1]:12345", host_str, port_str, port, &error));
EXPECT_STREQ("::1", host_str.c_str());
EXPECT_STREQ("12345", port_str.c_str());
EXPECT_EQ(12345, port);
EXPECT_TRUE(error.Success());
EXPECT_TRUE(
Socket::DecodeHostAndPort("[abcd:12fg:AF58::1]:12345", host_str, port_str, port, &error));
EXPECT_STREQ("abcd:12fg:AF58::1", host_str.c_str());
EXPECT_STREQ("12345", port_str.c_str());
EXPECT_EQ(12345, port);
EXPECT_TRUE(error.Success());
}
#ifndef LLDB_DISABLE_POSIX
TEST_F(SocketTest, DomainListenConnectAccept) {
char *file_name_str = tempnam(nullptr, nullptr);
EXPECT_NE(nullptr, file_name_str);
const std::string file_name(file_name_str);
free(file_name_str);
std::unique_ptr<DomainSocket> socket_a_up;
std::unique_ptr<DomainSocket> socket_b_up;
CreateConnectedSockets<DomainSocket>(
file_name.c_str(), [=](const DomainSocket &) { return file_name; },
&socket_a_up, &socket_b_up);
}
#endif
TEST_F(SocketTest, TCPListen0ConnectAccept) {
std::unique_ptr<TCPSocket> socket_a_up;
std::unique_ptr<TCPSocket> socket_b_up;
CreateConnectedSockets<TCPSocket>(
"127.0.0.1:0",
[=](const TCPSocket &s) {
char connect_remote_address[64];
snprintf(connect_remote_address, sizeof(connect_remote_address),
"localhost:%u", s.GetLocalPortNumber());
return std::string(connect_remote_address);
},
&socket_a_up, &socket_b_up);
}
TEST_F(SocketTest, TCPGetAddress) {
std::unique_ptr<TCPSocket> socket_a_up;
std::unique_ptr<TCPSocket> socket_b_up;
CreateConnectedSockets<TCPSocket>(
"127.0.0.1:0",
[=](const TCPSocket &s) {
char connect_remote_address[64];
snprintf(connect_remote_address, sizeof(connect_remote_address),
"localhost:%u", s.GetLocalPortNumber());
return std::string(connect_remote_address);
},
&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("127.0.0.1", socket_a_up->GetRemoteIPAddress().c_str());
EXPECT_STREQ("127.0.0.1", socket_b_up->GetRemoteIPAddress().c_str());
}
TEST_F(SocketTest, UDPConnect) {
Socket *socket;
bool child_processes_inherit = false;
auto error = UDPSocket::Connect("127.0.0.1:0", child_processes_inherit,
socket);
std::unique_ptr<Socket> socket_up(socket);
EXPECT_TRUE(error.Success());
EXPECT_TRUE(socket_up->IsValid());
}
TEST_F(SocketTest, TCPListen0GetPort) {
Socket *server_socket;
Predicate<uint16_t> port_predicate;
port_predicate.SetValue(0, eBroadcastNever);
Status err =
Socket::TcpListen("10.10.12.3:0", false, server_socket, &port_predicate);
std::unique_ptr<TCPSocket> socket_up((TCPSocket*)server_socket);
EXPECT_TRUE(socket_up->IsValid());
EXPECT_NE(socket_up->GetLocalPortNumber(), 0);
}
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