TEST_F (SocketAddressTest, Set)
{
SocketAddress sa;
ASSERT_TRUE (sa.SetToLocalhost (AF_INET, 1138));
ASSERT_STREQ ("127.0.0.1", sa.GetIPAddress ().c_str ());
ASSERT_EQ (1138, sa.GetPort ());
ASSERT_TRUE (sa.SetToAnyAddress (AF_INET, 0));
ASSERT_STREQ ("0.0.0.0", sa.GetIPAddress ().c_str ());
ASSERT_EQ (0, sa.GetPort ());
ASSERT_TRUE (sa.SetToLocalhost (AF_INET6, 1139));
ASSERT_STREQ ("::1", sa.GetIPAddress ().c_str ());
ASSERT_EQ (1139, sa.GetPort ());
}
Error UDPSocket::Connect(llvm::StringRef name, bool child_processes_inherit,
Socket *&send_socket, Socket *&recv_socket) {
std::unique_ptr<UDPSocket> final_send_socket;
std::unique_ptr<UDPSocket> final_recv_socket;
Log *log(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_CONNECTION));
if (log)
log->Printf("UDPSocket::%s (host/port = %s)", __FUNCTION__, name.data());
Error error;
std::string host_str;
std::string port_str;
int32_t port = INT32_MIN;
if (!DecodeHostAndPort(name, host_str, port_str, port, &error))
return error;
// Setup the receiving end of the UDP connection on this localhost
// on port zero. After we bind to port zero we can read the port.
final_recv_socket.reset(new UDPSocket(child_processes_inherit, error));
if (error.Success()) {
// Socket was created, now lets bind to the requested port
SocketAddress addr;
addr.SetToAnyAddress(AF_INET, 0);
if (::bind(final_recv_socket->GetNativeSocket(), addr, addr.GetLength()) ==
-1) {
// Bind failed...
SetLastError(error);
}
}
assert(error.Fail() == !(final_recv_socket && final_recv_socket->IsValid()));
if (error.Fail())
return error;
// At this point we have setup the receive port, now we need to
// setup the UDP send socket
struct addrinfo hints;
struct addrinfo *service_info_list = nullptr;
::memset(&hints, 0, sizeof(hints));
hints.ai_family = kDomain;
hints.ai_socktype = kType;
int err = ::getaddrinfo(host_str.c_str(), port_str.c_str(), &hints,
&service_info_list);
if (err != 0) {
error.SetErrorStringWithFormat(
#if defined(_MSC_VER) && defined(UNICODE)
"getaddrinfo(%s, %s, &hints, &info) returned error %i (%S)",
#else
"getaddrinfo(%s, %s, &hints, &info) returned error %i (%s)",
#endif
host_str.c_str(), port_str.c_str(), err, gai_strerror(err));
return error;
}
for (struct addrinfo *service_info_ptr = service_info_list;
service_info_ptr != nullptr;
service_info_ptr = service_info_ptr->ai_next) {
auto send_fd = CreateSocket(
service_info_ptr->ai_family, service_info_ptr->ai_socktype,
service_info_ptr->ai_protocol, child_processes_inherit, error);
if (error.Success()) {
final_send_socket.reset(new UDPSocket(send_fd));
final_send_socket->m_send_sockaddr = service_info_ptr;
break;
} else
continue;
}
::freeaddrinfo(service_info_list);
if (!final_send_socket)
return error;
send_socket = final_send_socket.release();
recv_socket = final_recv_socket.release();
error.Clear();
return error;
}
Error Socket::UdpConnect(llvm::StringRef host_and_port, bool child_processes_inherit, Socket *&send_socket, Socket *&recv_socket)
{
std::unique_ptr<Socket> final_send_socket;
std::unique_ptr<Socket> final_recv_socket;
NativeSocket final_send_fd = kInvalidSocketValue;
NativeSocket final_recv_fd = kInvalidSocketValue;
Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_CONNECTION));
if (log)
log->Printf ("Socket::UdpConnect (host/port = %s)", host_and_port.data());
Error error;
std::string host_str;
std::string port_str;
int32_t port = INT32_MIN;
if (!DecodeHostAndPort (host_and_port, host_str, port_str, port, &error))
return error;
// Setup the receiving end of the UDP connection on this localhost
// on port zero. After we bind to port zero we can read the port.
final_recv_fd = ::CreateSocket (AF_INET, SOCK_DGRAM, 0, child_processes_inherit);
if (final_recv_fd == kInvalidSocketValue)
{
// Socket creation failed...
SetLastError (error);
}
else
{
final_recv_socket.reset(new Socket(final_recv_fd, ProtocolUdp, true));
// Socket was created, now lets bind to the requested port
SocketAddress addr;
addr.SetToAnyAddress (AF_INET, 0);
if (::bind (final_recv_fd, addr, addr.GetLength()) == -1)
{
// Bind failed...
SetLastError (error);
}
}
assert(error.Fail() == !(final_recv_socket && final_recv_socket->IsValid()));
if (error.Fail())
return error;
// At this point we have setup the receive port, now we need to
// setup the UDP send socket
struct addrinfo hints;
struct addrinfo *service_info_list = NULL;
::memset (&hints, 0, sizeof(hints));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
int err = ::getaddrinfo (host_str.c_str(), port_str.c_str(), &hints, &service_info_list);
if (err != 0)
{
error.SetErrorStringWithFormat("getaddrinfo(%s, %s, &hints, &info) returned error %i (%s)",
host_str.c_str(),
port_str.c_str(),
err,
gai_strerror(err));
return error;
}
for (struct addrinfo *service_info_ptr = service_info_list;
service_info_ptr != NULL;
service_info_ptr = service_info_ptr->ai_next)
{
final_send_fd = ::CreateSocket (service_info_ptr->ai_family,
service_info_ptr->ai_socktype,
service_info_ptr->ai_protocol,
child_processes_inherit);
if (final_send_fd != kInvalidSocketValue)
{
final_send_socket.reset(new Socket(final_send_fd, ProtocolUdp, true));
final_send_socket->m_udp_send_sockaddr = service_info_ptr;
break;
}
else
continue;
}
:: freeaddrinfo (service_info_list);
if (final_send_fd == kInvalidSocketValue)
{
SetLastError (error);
return error;
}
send_socket = final_send_socket.release();
recv_socket = final_recv_socket.release();
error.Clear();
return error;
}