#define wxSOCKET_MSG_NOSIGNAL MSG_NOSIGNAL
#else // MSG_NOSIGNAL not available (BSD including OS X)
// next best possibility is to use SO_NOSIGPIPE socket option, this covers
- // BSD systems (including OS X) -- but if we don't have it neither, we have
- // to fall back to the old way of simply disabling SIGPIPE temporarily, so
- // define a class to do it in a simple way
+ // BSD systems (including OS X) -- but if we don't have it neither (AIX and
+ // old HP-UX do not), we have to fall back to the old way of simply
+ // disabling SIGPIPE temporarily, so define a class to do it in a safe way
#if defined(__UNIX__) && !defined(SO_NOSIGPIPE)
+ extern "C" { typedef void (*wxSigHandler_t)(int); }
namespace
{
class IgnoreSignal
}
private:
- const sighandler_t m_handler;
+ const wxSigHandler_t m_handler;
const int m_sig;
wxDECLARE_NO_COPY_CLASS(IgnoreSignal);
};
} // anonymous namespace
- #endif
+
+ #define wxNEEDS_IGNORE_SIGPIPE
+ #endif // Unix without SO_NOSIGPIPE
#define wxSOCKET_MSG_NOSIGNAL 0
#endif
// discard buffer
#define MAX_DISCARD_SIZE (10 * 1024)
-#define wxTRACE_Socket _T("wxSocket")
+#define wxTRACE_Socket wxT("wxSocket")
// --------------------------------------------------------------------------
// wxWin macros
{
m_socket->m_reading = false;
- m_socket->m_impl->ReenableEvents(wxSOCKET_INPUT_FLAG);
+ // connection could have been lost while reading, in this case calling
+ // ReenableEvents() would assert and is not necessary anyhow
+ wxSocketImpl * const impl = m_socket->m_impl;
+ if ( impl && impl->m_fd != INVALID_SOCKET )
+ impl->ReenableEvents(wxSOCKET_INPUT_FLAG);
}
private:
wxASSERT_MSG( !m_socket->m_writing, "write reentrancy?" );
m_socket->m_writing = true;
-
- m_socket->m_impl->ReenableEvents(wxSOCKET_OUTPUT_FLAG);
}
~wxSocketWriteGuard()
{
m_socket->m_writing = false;
+
+ wxSocketImpl * const impl = m_socket->m_impl;
+ if ( impl && impl->m_fd != INVALID_SOCKET )
+ impl->ReenableEvents(wxSOCKET_OUTPUT_FLAG);
}
private:
wxSocketError wxSocketImpl::UpdateLocalAddress()
{
+ if ( !m_local.IsOk() )
+ {
+ // ensure that we have a valid object using the correct family: correct
+ // being the same one as our peer uses as we have no other way to
+ // determine it
+ m_local.Create(m_peer.GetFamily());
+ }
+
WX_SOCKLEN_T lenAddr = m_local.GetLen();
if ( getsockname(m_fd, m_local.GetWritableAddr(), &lenAddr) != 0 )
{
if ( fd == INVALID_SOCKET )
return NULL;
- wxSocketImpl * const sock = Create(wxsocket);
+ wxSocketManager * const manager = wxSocketManager::Get();
+ if ( !manager )
+ return NULL;
+
+ wxSocketImpl * const sock = manager->CreateSocket(wxsocket);
+ if ( !sock )
+ return NULL;
+
sock->m_fd = fd;
sock->m_peer = wxSockAddressImpl(from.addr, fromlen);
int wxSocketImpl::SendStream(const void *buffer, int size)
{
-#if !defined(MSG_NOSIGNAL) && !defined(SO_NOSIGPIPE)
+#ifdef wxNEEDS_IGNORE_SIGPIPE
IgnoreSignal ignore(SIGPIPE);
#endif
void wxSocketBase::Shutdown()
{
// we should be initialized
- wxASSERT_MSG( m_countInit > 0, _T("extra call to Shutdown()") );
+ wxASSERT_MSG( m_countInit > 0, wxT("extra call to Shutdown()") );
if ( --m_countInit == 0 )
{
wxSocketManager * const manager = wxSocketManager::Get();
// this Initialize() will be undone by wxSocketModule::OnExit(), all
// the other calls to it should be matched by a call to Shutdown()
if (!Initialize())
+ {
wxLogError("Cannot initialize wxSocketBase");
+ }
}
}
wxSocketBase::~wxSocketBase()
{
- // Just in case the app called Destroy() *and* then deleted the socket
- // immediately: don't leave dangling pointers.
- wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
- if ( traits )
- traits->RemoveFromPendingDelete(this);
-
// Shutdown and close the socket
if (!m_beingDeleted)
Close();
delete m_impl;
// Free the pushback buffer
- if (m_unread)
- free(m_unread);
+ free(m_unread);
}
bool wxSocketBase::Destroy()
// Suppress events from now on
Notify(false);
- // schedule this object for deletion
- wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
- if ( traits )
+ // Schedule this object for deletion instead of destroying it right now if
+ // possible as we may have other events pending for it
+ if ( wxTheApp )
{
- // let the traits object decide what to do with us
- traits->ScheduleForDestroy(this);
+ wxTheApp->ScheduleForDestruction(this);
}
- else // no app or no traits
+ else // no app
{
// in wxBase we might have no app object at all, don't leak memory
delete this;
// events and, even more importantly, we must do this under Windows
// where we're not going to get notifications about socket being ready
// for reading before we read all the existing data from it
- const int ret = m_connected ? m_impl->Read(buffer, nbytes) : 0;
+ const int ret = !m_impl->m_stream || m_connected
+ ? m_impl->Read(buffer, nbytes)
+ : 0;
if ( ret == -1 )
{
if ( m_impl->GetLastError() == wxSOCKET_WOULDBLOCK )
wxUint32 total = 0;
while ( nbytes )
{
- if ( !m_connected )
+ if ( m_impl->m_stream && !m_connected )
{
if ( (m_flags & wxSOCKET_WAITALL) || !total )
SetError(wxSOCKET_IOERR);
{
wxCHECK_MSG( m_impl, -1, "can't wait on invalid socket" );
- // we're never going to become ready if we're not connected (any more)
- if ( !m_connected && !m_establishing )
+ // we're never going to become ready in a client if we're not connected any
+ // more (OTOH a server can call this to precisely wait for a connection so
+ // do wait for it in this case)
+ if ( !m_impl->IsServer() && !m_connected && !m_establishing )
return -1;
// This can be set to true from Interrupt() to exit this function a.s.a.p.
case wxSOCKET_CONNECTION:
flag = wxSOCKET_CONNECTION_FLAG;
+
+ // we're now successfully connected
+ m_connected = true;
+ m_establishing = false;
+
+ // error was previously set to wxSOCKET_WOULDBLOCK, but this is not
+ // the case any longer
+ SetError(wxSOCKET_NOERROR);
break;
case wxSOCKET_LOST:
flag = wxSOCKET_LOST_FLAG;
+
+ // if we lost the connection the socket is now closed and not
+ // connected any more
+ m_connected = false;
+ m_closed = true;
break;
default:
wxFAIL_MSG( "unknown wxSocket notification" );
}
- // if we lost the connection the socket is now closed
- if ( notification == wxSOCKET_LOST )
- m_closed = true;
-
// remember the events which were generated for this socket, we're going to
// use this in DoWait()
m_eventsgot |= flag;
wxSocketFlags flags)
: wxSocketBase(flags, wxSOCKET_SERVER)
{
- wxLogTrace( wxTRACE_Socket, _T("Opening wxSocketServer") );
+ wxLogTrace( wxTRACE_Socket, wxT("Opening wxSocketServer") );
- m_impl = wxSocketImpl::Create(*this);
+ wxSocketManager * const manager = wxSocketManager::Get();
+ m_impl = manager ? manager->CreateSocket(*this) : NULL;
if (!m_impl)
{
- wxLogTrace( wxTRACE_Socket, _T("*** Failed to create m_impl") );
+ wxLogTrace( wxTRACE_Socket, wxT("*** Failed to create m_impl") );
return;
}
delete m_impl;
m_impl = NULL;
- wxLogTrace( wxTRACE_Socket, _T("*** CreateServer() failed") );
+ wxLogTrace( wxTRACE_Socket, wxT("*** CreateServer() failed") );
return;
}
- wxLogTrace( wxTRACE_Socket, _T("wxSocketServer on fd %d"), m_impl->m_fd );
+ wxLogTrace( wxTRACE_Socket, wxT("wxSocketServer on fd %d"), m_impl->m_fd );
}
// --------------------------------------------------------------------------
bool wxSocketBase::GetOption(int level, int optname, void *optval, int *optlen)
{
- wxASSERT_MSG( m_impl, _T("Socket not initialised") );
+ wxASSERT_MSG( m_impl, wxT("Socket not initialised") );
SOCKOPTLEN_T lenreal = *optlen;
if ( getsockopt(m_impl->m_fd, level, optname,
bool
wxSocketBase::SetOption(int level, int optname, const void *optval, int optlen)
{
- wxASSERT_MSG( m_impl, _T("Socket not initialised") );
+ wxASSERT_MSG( m_impl, wxT("Socket not initialised") );
return setsockopt(m_impl->m_fd, level, optname,
static_cast<const char *>(optval), optlen) == 0;
m_establishing = false;
// Create and set up the new one
- m_impl = wxSocketImpl::Create(*this);
+ wxSocketManager * const manager = wxSocketManager::Get();
+ m_impl = manager ? manager->CreateSocket(*this) : NULL;
if ( !m_impl )
return false;
: wxSocketBase( flags, wxSOCKET_DATAGRAM )
{
// Create the socket
- m_impl = wxSocketImpl::Create(*this);
+ wxSocketManager * const manager = wxSocketManager::Get();
+ m_impl = manager ? manager->CreateSocket(*this) : NULL;
if (!m_impl)
return;
const void* buf,
wxUint32 nBytes )
{
- wxASSERT_MSG( m_impl, _T("Socket not initialised") );
+ wxASSERT_MSG( m_impl, wxT("Socket not initialised") );
m_impl->SetPeer(addr.GetAddress());
Write(buf, nBytes);
wxFORCE_LINK_MODULE( socketiohandler )
#endif
+// same for ManagerSetter in the MSW file
+#ifdef __WXMSW__
+ wxFORCE_LINK_MODULE( mswsocket )
+#endif
+
+// and for OSXManagerSetter in the OS X one
+#ifdef __WXMAC__
+ wxFORCE_LINK_MODULE( osxsocket )
+#endif
+
#endif // wxUSE_SOCKETS