#include <wx/timer.h>
#include <wx/utils.h>
+// IRIX requires bstring.h be included to use select()
+#ifdef sgi
+ #include <bstring.h>
+#endif // IRIX
+
// Not enough OS behaviour defined for wxStubs
#ifndef __WXSTUBS__
// First, close the file descriptor.
Close();
- m_internal->FinalizeSocket();
-
if (m_unread)
free(m_unread);
// Unregister from the handler database.
{
if (m_fd != INVALID_SOCKET)
{
- // Pause all running socket thread.
- m_internal->PauseSocket();
+ if (m_notify_state == TRUE)
+ Notify(FALSE);
// Shutdown the connection.
shutdown(m_fd, 2);
return *this;
}
+wxSocketBase& wxSocketBase::ReadMsg(char* buffer, size_t nbytes)
+{
+ unsigned long len, len2, sig;
+ struct {
+ char sig[4];
+ char len[4];
+ } msg;
+
+ // sig should be an explicit 32-bit unsigned integer; I've seen
+ // compilers in which size_t was actually a 16-bit unsigned integer
+
+ Read((char *)&msg, sizeof(msg));
+ if (m_lcount != sizeof(msg))
+ return *this;
+
+ sig = msg.sig[0] & 0xff;
+ sig |= (size_t)(msg.sig[1] & 0xff) << 8;
+ sig |= (size_t)(msg.sig[2] & 0xff) << 16;
+ sig |= (size_t)(msg.sig[3] & 0xff) << 24;
+
+ if (sig != 0xfeeddead)
+ return *this;
+ len = msg.len[0] & 0xff;
+ len |= (size_t)(msg.len[1] & 0xff) << 8;
+ len |= (size_t)(msg.len[2] & 0xff) << 16;
+ len |= (size_t)(msg.len[3] & 0xff) << 24;
+
+ // len2 is incorrectly computed in the original; this sequence is
+ // the fix
+ if (len > nbytes) {
+ len2 = len - nbytes;
+ len = nbytes;
+ }
+ else
+ len2 = 0;
+
+ // the "len &&" in the following statement is necessary so that
+ // we don't attempt to read (and possibly hang the system)
+ // if the message was zero bytes long
+ if (len && Read(buffer, len).LastCount() != len)
+ return *this;
+ if (len2 && (Read(NULL, len2).LastCount() != len2))
+ return *this;
+ if (Read((char *)&msg, sizeof(msg)).LastCount() != sizeof(msg))
+ return *this;
+
+ sig = msg.sig[0] & 0xff;
+ sig |= (size_t)(msg.sig[1] & 0xff) << 8;
+ sig |= (size_t)(msg.sig[2] & 0xff) << 16;
+ sig |= (size_t)(msg.sig[3] & 0xff) << 24;
+// ERROR
+// we return *this either way, so a smart optimizer will
+// optimize the following sequence out; I'm leaving it in anyway
+ if (sig != 0xdeadfeed)
+ return *this;
+
+ return *this;
+}
+
wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes)
{
m_lcount = GetPushback(buffer, nbytes, TRUE);
return *this;
}
+wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, size_t nbytes)
+{
+ struct {
+ char sig[4];
+ char len[4];
+ } msg;
+
+ // warning about 'cast truncates constant value'
+#ifdef __VISUALC__
+ #pragma warning(disable: 4310)
+#endif // __VISUALC__
+
+ msg.sig[0] = (char) 0xad;
+ msg.sig[1] = (char) 0xde;
+ msg.sig[2] = (char) 0xed;
+ msg.sig[3] = (char) 0xfe;
+
+ msg.len[0] = (char) nbytes & 0xff;
+ msg.len[1] = (char) (nbytes >> 8) & 0xff;
+ msg.len[2] = (char) (nbytes >> 16) & 0xff;
+ msg.len[3] = (char) (nbytes >> 24) & 0xff;
+
+ if (Write((char *)&msg, sizeof(msg)).LastCount() < sizeof(msg))
+ return *this;
+ if (Write(buffer, nbytes).LastCount() < nbytes)
+ return *this;
+
+ msg.sig[0] = (char) 0xed;
+ msg.sig[1] = (char) 0xfe;
+ msg.sig[2] = (char) 0xad;
+ msg.sig[3] = (char) 0xde;
+ msg.len[0] = msg.len[1] = msg.len[2] = msg.len[3] = (char) 0;
+ Write((char *)&msg, sizeof(msg));
+
+ return *this;
+
+#ifdef __VISUALC__
+ #pragma warning(default: 4310)
+#endif // __VISUALC__
+}
+
wxSocketBase& wxSocketBase::Unread(const char *buffer, size_t nbytes)
{
- CreatePushbackAfter(buffer, nbytes);
+ m_lcount = 0;
+ if (nbytes != 0) {
+ CreatePushbackAfter(buffer, nbytes);
+ m_lcount = nbytes;
+ }
return *this;
}
tv.tv_usec = 0;
FD_ZERO(&sock_set);
FD_SET(m_fd, &sock_set);
- select(FD_SETSIZE, &sock_set, NULL, NULL, &tv);
+ select(m_fd+1, &sock_set, NULL, NULL, &tv);
m_internal->ReleaseFD();
state = (SocketState *)node->Data();
SetFlags(state->socket_flags);
+ m_internal->AcquireData();
m_neededreq = state->evt_notify_state;
+ m_internal->ReleaseData();
m_cbk = state->c_callback;
m_cdata = state->c_callback_data;
Notify(state->notify_state);
if (m_type != SOCK_SERVER)
flags &= ~REQ_ACCEPT;
+ m_internal->AcquireData();
m_neededreq = flags;
+ m_internal->ReleaseData();
if (m_neededreq == 0)
- m_internal->DisableWaiter();
+ m_internal->StopWaiter();
else
Notify(m_notify_state);
}
void wxSocketBase::Notify(bool notify)
{
+ m_notify_state = notify;
+ if (m_fd == INVALID_SOCKET)
+ return;
+
if (notify)
- m_internal->EnableWaiter();
+ m_internal->ResumeWaiter();
else
- m_internal->DisableWaiter();
- m_notify_state = notify;
+ m_internal->StopWaiter();
}
void wxSocketBase::OnRequest(wxRequestEvent req_evt)
// OldOnNotify(req_evt);
// We disable the event reporting.
- SetNotify(m_neededreq & ~notify);
+ m_neededreq &= ~notify;
}
}
SetEventType(type);
}
-wxObject *wxSocketEvent::Clone() const
+void wxSocketEvent::CopyObject(wxObject& obj_d) const
{
- wxSocketEvent *event = (wxSocketEvent *)wxEvent::Clone();
+ wxSocketEvent *event = (wxSocketEvent *)&obj_d;
+
+ wxEvent::CopyObject(obj_d);
event->m_skevt = m_skevt;
event->m_socket = m_socket;
-
- return event;
}
void wxSocketBase::OldOnNotify(wxRequestEvent evt)
SockRequest *buf = new SockRequest;
SaveState();
- m_internal->DisableWaiter();
buf->buffer = buffer;
buf->size = nbytes;
buf->done = FALSE;
buf->timeout = 1000;
buf_timed_out = FALSE;
- if (m_flags & SPEED)
+ if ((m_flags & SPEED) != 0)
m_internal->QueueRequest(buf, FALSE);
else
- if (m_flags & NOWAIT)
+ if ((m_flags & NOWAIT) != 0)
m_internal->QueueRequest(buf, TRUE);
else
m_internal->QueueRequest(buf, TRUE);
return;
}
- m_internal->InitializeSocket();
+ m_internal->SetFD(m_fd);
+
+ Notify(TRUE);
}
// --------------------------------------------------------------
{
int fd2;
- if ((fd2 = accept(m_fd, 0, 0)) < 0)
+ m_internal->AcquireFD();
+ if ((fd2 = accept(m_fd, 0, 0)) < 0) {
+ m_internal->ReleaseFD();
return FALSE;
+ }
+ m_internal->ReleaseFD();
struct linger linger;
linger.l_onoff = 0;
sock.m_fd = fd2;
sock.m_connected = TRUE;
- sock.m_internal->InitializeSocket();
+ sock.m_internal->SetFD(fd2);
+
+ sock.m_internal->ResumeWaiter();
return TRUE;
}
if (connect(m_fd, remote, len) != 0)
return FALSE;
- // Initializes the background threads ...
- // --------------------------------------
- m_internal->InitializeSocket();
+ m_internal->SetFD(m_fd);
// Enables bg events.
// ------------------
{
if (m_connected)
{
- SetNotify(m_neededreq & ~REQ_CONNECT);
+ m_neededreq &= ~REQ_CONNECT;
return;
}
m_connected = TRUE;
- OldOnNotify(EVT_CONNECT);
return;
}
wxSocketBase::OnRequest(evt);
return client;
}
-#ifdef __WINDOWS__
-// --------------------------------------------------------------
-// --------- wxSocketHandler: Windows specific methods ----------
-// --------------------------------------------------------------
-
-UINT wxSocketHandler::NewMessage(wxSocketBase *sock)
-{
- internal->firstAvailableMsg++;
- smsg_list->Append(internal->firstAvailableMsg, sock);
- return internal->firstAvailableMsg;
-}
-
-void wxSocketHandler::DestroyMessage(UINT msg)
-{
- wxNode *node = smsg_list->Find(msg);
- delete node;
-}
-
-HWND wxSocketHandler::GetHWND() const
-{
- return internal->sockWin;
-}
-
-#endif
-
bool wxSocketModule::OnInit()
{
wxSocketHandler::master = new wxSocketHandler();