llvm-project/lldb/gtest/unittest/Host/SocketTest.cpp

133 lines
4.6 KiB
C++

//===-- 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 <thread>
#include "gtest/gtest.h"
#include "lldb/Host/Socket.h"
class SocketTest: public ::testing::Test
{
};
using namespace lldb_private;
void AcceptThread (Socket* listen_socket,
const char* listen_remote_address,
bool child_processes_inherit,
Socket** accept_socket,
Error* error)
{
*error = listen_socket->BlockingAccept (listen_remote_address, child_processes_inherit, *accept_socket);
}
void CreateConnectedSockets (std::unique_ptr<Socket>* a_up, std::unique_ptr<Socket>* b_up)
{
Predicate<uint16_t> port_predicate;
// Used when binding to port zero to wait for the thread
// that creates the socket, binds and listens to resolve
// the port number.
port_predicate.SetValue (0, eBroadcastNever);
bool child_processes_inherit = false;
Socket *socket = nullptr;
const char* listen_remote_address = "localhost:0";
Error error = Socket::TcpListen (listen_remote_address, child_processes_inherit, socket, &port_predicate);
std::unique_ptr<Socket> listen_socket_up (socket);
socket = nullptr;
EXPECT_FALSE (error.Fail ());
EXPECT_NE (nullptr, listen_socket_up.get ());
EXPECT_TRUE (listen_socket_up->IsValid ());
Error accept_error;
Socket* accept_socket;
std::thread accept_thread (AcceptThread,
listen_socket_up.get (),
listen_remote_address,
child_processes_inherit,
&accept_socket,
&accept_error);
char connect_remote_address[64];
snprintf (connect_remote_address, sizeof (connect_remote_address), "localhost:%u", port_predicate.GetValue ());
error = Socket::TcpConnect (connect_remote_address, child_processes_inherit, socket);
a_up->reset (socket);
socket = nullptr;
EXPECT_TRUE (error.Success ());
EXPECT_NE (nullptr, a_up->get ());
EXPECT_TRUE ((*a_up)->IsValid ());
accept_thread.join ();
b_up->reset (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;
Error 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_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 ());
}
TEST_F (SocketTest, Listen0ConnectAccept)
{
std::unique_ptr<Socket> socket_a_up;
std::unique_ptr<Socket> socket_b_up;
CreateConnectedSockets (&socket_a_up, &socket_b_up);
}
TEST_F (SocketTest, GetAddress)
{
std::unique_ptr<Socket> socket_a_up;
std::unique_ptr<Socket> socket_b_up;
CreateConnectedSockets (&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 ());
}