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 ());
}
ConnectionStatus
ConnectionFileDescriptor::ConnectUDP (const char *host_and_port, Error *error_ptr)
{
LogSP log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_CONNECTION));
if (log)
log->Printf ("%p ConnectionFileDescriptor::ConnectUDP (host/port = %s)", this, host_and_port);
Disconnect (NULL);
m_fd_send_type = m_fd_recv_type = eFDTypeSocketUDP;
std::string host_str;
std::string port_str;
int32_t port = INT32_MIN;
if (!DecodeHostAndPort (host_and_port, host_str, port_str, port, error_ptr))
return eConnectionStatusError;
// 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.
m_fd_recv = ::socket (AF_INET, SOCK_DGRAM, 0);
if (m_fd_recv == -1)
{
// Socket creation failed...
if (error_ptr)
error_ptr->SetErrorToErrno();
}
else
{
// Socket was created, now lets bind to the requested port
SocketAddress addr;
addr.SetToLocalhost (AF_INET, 0);
if (::bind (m_fd_recv, addr, addr.GetLength()) == -1)
{
// Bind failed...
if (error_ptr)
error_ptr->SetErrorToErrno();
Disconnect (NULL);
}
}
if (m_fd_recv == -1)
return eConnectionStatusError;
// At this point we have setup the recieve 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)
{
if (error_ptr)
error_ptr->SetErrorStringWithFormat("getaddrinfo(%s, %s, &hints, &info) returned error %i (%s)",
host_str.c_str(),
port_str.c_str(),
err,
gai_strerror(err));
Disconnect (NULL);
return eConnectionStatusError;
}
for (struct addrinfo *service_info_ptr = service_info_list;
service_info_ptr != NULL;
service_info_ptr = service_info_ptr->ai_next)
{
m_fd_send = ::socket (service_info_ptr->ai_family,
service_info_ptr->ai_socktype,
service_info_ptr->ai_protocol);
if (m_fd_send != -1)
{
m_udp_send_sockaddr = service_info_ptr;
break;
}
else
continue;
}
:: freeaddrinfo (service_info_list);
if (m_fd_send == -1)
{
Disconnect (NULL);
return eConnectionStatusError;
}
if (error_ptr)
error_ptr->Clear();
m_should_close_fd = true;
return eConnectionStatusSuccess;
}
ConnectionStatus
ConnectionFileDescriptor::SocketListen (uint16_t listen_port_num, Error *error_ptr)
{
LogSP log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_CONNECTION));
if (log)
log->Printf ("%p ConnectionFileDescriptor::SocketListen (port = %i)", this, listen_port_num);
Disconnect (NULL);
m_fd_send_type = m_fd_recv_type = eFDTypeSocket;
int listen_port = ::socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (listen_port == -1)
{
if (error_ptr)
error_ptr->SetErrorToErrno();
return eConnectionStatusError;
}
// enable local address reuse
SetSocketOption (listen_port, SOL_SOCKET, SO_REUSEADDR, 1);
SocketAddress localhost;
if (localhost.SetToLocalhost (AF_INET, listen_port_num))
{
int err = ::bind (listen_port, localhost, localhost.GetLength());
if (err == -1)
{
if (error_ptr)
error_ptr->SetErrorToErrno();
Close (listen_port, NULL);
return eConnectionStatusError;
}
err = ::listen (listen_port, 1);
if (err == -1)
{
if (error_ptr)
error_ptr->SetErrorToErrno();
Close (listen_port, NULL);
return eConnectionStatusError;
}
m_fd_send = m_fd_recv = ::accept (listen_port, NULL, 0);
if (m_fd_send == -1)
{
if (error_ptr)
error_ptr->SetErrorToErrno();
Close (listen_port, NULL);
return eConnectionStatusError;
}
}
// We are done with the listen port
Close (listen_port, NULL);
m_should_close_fd = true;
// Keep our TCP packets coming without any delays.
SetSocketOption (m_fd_send, IPPROTO_TCP, TCP_NODELAY, 1);
if (error_ptr)
error_ptr->Clear();
return eConnectionStatusSuccess;
}