// Authors: Guilhem Lavaux (completely rewritten from a basic API of Andrew
// Davidson(1995) in wxWeb)
// Created: April 1997
-// Updated: March 1998
-// Copyright: (C) 1998, 1997, Guilhem Lavaux
+// Updated: April 1999
+// Copyright: (C) 1999 1998, 1997, Guilhem Lavaux
// RCS_ID: $Id$
// License: see wxWindows license
////////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "socket.h"
-// #pragma interface
-// #pragma implementation "socket.cpp"
+#endif
+
+#ifdef __MWERKS__
+typedef int socklen_t ;
#endif
// For compilers that support precompilation, includes "wx.h".
#pragma hdrstop
#endif
+#if wxUSE_SOCKETS
+
/////////////////////////////////////////////////////////////////////////////
// wxWindows headers
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// System specific headers
/////////////////////////////////////////////////////////////////////////////
+#ifdef __WXMAC__
+// in order to avoid problems with our c library and double definitions
+#define close closesocket
+#define ioctl ioctlsocket
+
+#include <wx/mac/macsock.h>
+
+#endif
+
#if defined(__WINDOWS__)
#include <winsock.h>
#endif // __WINDOWS__
#include <signal.h>
#include <errno.h>
-#ifdef _MSC_VER
+#ifdef __VISUALC__
#include <io.h>
#endif
-#if defined(__WXMOTIF__) || defined(__WXXT__)
-#include <X11/Intrinsic.h>
-
-/////////////////////////////
-// Needs internal variables
-/////////////////////////////
-#ifdef __WXXT__
-#define Uses_XtIntrinsic
-#endif
-
-#endif
-
-#if defined(__WXGTK__)
-#include <gtk/gtk.h>
-#endif
-
/////////////////////////////////////////////////////////////////////////////
// wxSocket headers
/////////////////////////////////////////////////////////////////////////////
-#include "wx/module.h"
+#include <wx/module.h>
#define WXSOCK_INTERNAL
-#include "wx/sckaddr.h"
-#include "wx/socket.h"
+#include <wx/sckaddr.h>
+#include <wx/socket.h>
+#include <wx/sckint.h>
-/////////////////////////////////////////////////////////////////////////////
-// Some patch ///// BEGIN
-/////////////////////////////////////////////////////////////////////////////
+// ----------------------
+// Some patch ----- BEGIN
+// ----------------------
#ifdef __WINDOWS__
#define close closesocket
#define ioctl ioctlsocket
#define INVALID_SOCKET -1
#endif
-#ifdef __WXMOTIF__
-#define wxAPP_CONTEXT ((XtAppContext)wxTheApp->GetAppContext())
-#endif
-
#ifdef __WINDOWS__
// This is an MS TCP/IP routine and is not needed here. Some WinSock
// implementations (such as PC-NFS) will require you to include this
// or a similar routine (see appendix in WinSock doc or help file).
-#if defined( NEED_WSAFDIsSet ) || defined( _MSC_VER )
+#if defined( NEED_WSAFDIsSet ) || defined( __VISUALC__ )
int PASCAL FAR __WSAFDIsSet(SOCKET fd, fd_set FAR *set)
{
- int i = set->fd_count;
+ int i = set->fd_count;
- while (i--)
- {
- if (set->fd_array[i] == fd)
- return 1;
- }
+ while (i--)
+ {
+ if (set->fd_array[i] == fd)
+ return 1;
+ }
- return 0;
+ return 0;
}
#endif
#endif
-#if defined(__WINDOWS__)
-#define PROCESS_EVENTS() wxYield()
-#elif defined(__WXXT__) || defined(__WXMOTIF__)
-#define PROCESS_EVENTS() XtAppProcessEvent(wxAPP_CONTEXT, XtIMAll)
-#elif defined(__WXGTK__)
-#define PROCESS_EVENTS() wxYield()
-#endif
+// -------------------
+// Some patch ---- END
+// -------------------
-/////////////////////////////////////////////////////////////////////////////
-// Some patch ///// END
-/////////////////////////////////////////////////////////////////////////////
+#ifdef GetClassInfo
+#undef GetClassInfo
+#endif
// --------------------------------------------------------------
// Module
IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule)
#endif
-class wxSockWakeUp : public wxTimer
-{
-public:
- int *my_id;
- int n_val;
- wxSocketBase *sock;
-
- wxSockWakeUp(wxSocketBase *_sock, int *id, int new_val)
- {
- my_id = id; n_val = new_val;
- sock = _sock;
- }
- virtual void Notify()
- {
- *my_id = n_val;
- if (sock) sock->Notify(FALSE);
- }
-};
-
-/// Socket request
-class SockRequest : public wxObject
-{
-public:
- char *buffer;
- size_t size, nbytes;
- bool done;
- int error;
- wxSockWakeUp *auto_wakeup;
- wxSocketBase::wxRequestNotify type;
-};
-
-
-/////////////////////////////////////////////////////////////////////////////
-// Some internal define
-/////////////////////////////////////////////////////////////////////////////
-
// --------------------------------------------------------------
// --------- wxSocketBase CONSTRUCTOR ---------------------------
// --------------------------------------------------------------
wxSocketBase::wxSocketBase(wxSocketBase::wxSockFlags _flags,
- wxSocketBase::wxSockType _type) :
+ wxSocketBase::wxSockType _type) :
wxEvtHandler(),
m_flags(_flags), m_type(_type), m_connected(FALSE), m_connecting(FALSE),
- m_fd(INVALID_SOCKET), m_waitflags(0), m_cbk(0), m_cdata(0), m_id(-1),
+ m_fd(INVALID_SOCKET), m_id(-1),
m_handler(0),
m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)),
- m_cbkon(FALSE),
+ m_timeout(3600),
m_unread(NULL), m_unrd_size(0),
- m_processing(FALSE),
- m_timeout(1), m_wantbuf(0)
+ m_cbk(NULL), m_cdata(NULL),
+ m_notify_state(FALSE)
{
- m_internal = new wxSockInternal;
-#if defined(__WXXT__) || defined(__WXMOTIF__) || defined(__WXGTK__)
- m_internal->sock_inputid = 0;
- m_internal->sock_outputid = 0;
- m_internal->sock_exceptid = 0;
-#endif
-#ifdef __WINDOWS__
- m_internal->my_msg = 0;
-#endif
+ m_internal = new wxSocketInternal(this);
}
wxSocketBase::wxSocketBase() :
wxEvtHandler(),
m_flags(WAITALL), m_type(SOCK_UNINIT), m_connected(FALSE),
- m_connecting(FALSE), m_fd(INVALID_SOCKET), m_waitflags(0),
- m_cbk(0), m_cdata(0),
+ m_connecting(FALSE), m_fd(INVALID_SOCKET),
m_id(-1), m_handler(0),
m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)),
- m_cbkon(FALSE),
+ m_timeout(3600),
m_unread(NULL), m_unrd_size(0),
- m_processing(FALSE),
- m_timeout(1), m_wantbuf(0)
+ m_cbk(NULL), m_cdata(NULL),
+ m_notify_state(FALSE)
{
- m_internal = new wxSockInternal;
-#if defined(__WXXT__) || defined(__WXMOTIF__) || defined(__WXGTK__)
- m_internal->sock_inputid = 0;
- m_internal->sock_outputid = 0;
- m_internal->sock_exceptid = 0;
-#endif
-#ifdef __WINDOWS__
- m_internal->my_msg = 0;
-#endif
+ m_internal = new wxSocketInternal(this);
}
// --------------------------------------------------------------
-// --------- wxSocketBase CONSTRUCTOR ---------------------------
+// wxSocketBase
// --------------------------------------------------------------
+
wxSocketBase::~wxSocketBase()
{
- DestroyCallbacks();
+ // First, close the file descriptor.
Close();
if (m_unread)
free(m_unread);
- if (m_handler) {
-#ifdef __WINDOWS__
- if (m_internal->my_msg)
- m_handler->DestroyMessage(m_internal->my_msg);
-#endif
+ // Unregister from the handler database.
+ if (m_handler)
m_handler->UnRegister(this);
- }
+
+ // Destroy all saved states.
m_states.DeleteContents(TRUE);
+ // Destroy the socket manager.
delete m_internal;
}
bool wxSocketBase::Close()
{
- if (m_fd != INVALID_SOCKET) {
- for (int i=0;i<3;i++) {
- wxNode *n, *node = req_list[i].First();
-
- while (node) {
- SockRequest *req = (SockRequest *)node->Data();
- req->done = TRUE;
-
- n = node->Next();
- delete node;
- node = n;
- }
- }
+ if (m_fd != INVALID_SOCKET)
+ {
+ if (m_notify_state == TRUE)
+ Notify(FALSE);
- DestroyCallbacks();
+ // Shutdown the connection.
shutdown(m_fd, 2);
close(m_fd);
m_fd = INVALID_SOCKET;
}
// --------------------------------------------------------------
-// --------- wxSocketBase base IO functions ---------------------
+// wxSocketBase base IO function
// --------------------------------------------------------------
+
wxSocketBase& wxSocketBase::Read(char* buffer, size_t nbytes)
{
m_lcount = GetPushback(buffer, nbytes, FALSE);
+ nbytes -= m_lcount;
+ buffer += m_lcount;
// If we have got the whole needed buffer or if we don't want to
// wait then it returns immediately.
- if (!nbytes || (m_lcount && !(m_flags & WAITALL)) )
- return *this;
-
- WantBuffer(buffer, nbytes, EVT_READ);
-
- return *this;
-}
-
-wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes)
-{
- size_t nbytes_old = nbytes;
-
- nbytes -= GetPushback(buffer, nbytes, TRUE);
- if (!nbytes) {
- m_lcount = nbytes_old;
+ if (!nbytes || (m_lcount && !(m_flags & WAITALL)) ) {
return *this;
}
- WantBuffer(buffer, nbytes, EVT_PEEK);
-
- return *this;
-}
+ WantBuffer(buffer, nbytes, EVT_READ);
-wxSocketBase& wxSocketBase::Write(const char *buffer, size_t nbytes)
-{
- WantBuffer((char *)buffer, nbytes, EVT_WRITE);
return *this;
}
wxSocketBase& wxSocketBase::ReadMsg(char* buffer, size_t nbytes)
{
- SockMsg msg;
- size_t len, len2, sig;
+ 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))
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 = len;
- if (len > nbytes)
+
+ // len2 is incorrectly computed in the original; this sequence is
+ // the fix
+ if (len > nbytes) {
+ len2 = len - nbytes;
len = nbytes;
+ }
else
len2 = 0;
- if (Read(buffer, len).LastCount() != len)
+ // 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;
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);
+ if (nbytes-m_lcount == 0)
+ {
+ return *this;
+ }
+ buffer += m_lcount;
+ nbytes -= m_lcount;
+
+ WantBuffer(buffer, nbytes, EVT_PEEK);
+
+ return *this;
+}
+
+wxSocketBase& wxSocketBase::Write(const char *buffer, size_t nbytes)
+{
+ m_lcount = 0;
+ WantBuffer((char *)buffer, nbytes, EVT_WRITE);
+ return *this;
+}
+
wxSocketBase& wxSocketBase::WriteMsg(const char *buffer, size_t nbytes)
{
- SockMsg msg;
+ 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[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;
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;
}
if (m_unrd_size > 0)
return TRUE;
+ m_internal->AcquireFD();
+
tv.tv_sec = 0;
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();
+
return (FD_ISSET(m_fd, &sock_set) != 0);
}
SaveState();
SetFlags((wxSockFlags)(NOWAIT | SPEED));
- while (recv_size == MAX_BUFSIZE) {
+ while (recv_size == MAX_BUFSIZE)
+ {
recv_size = Read(my_data, MAX_BUFSIZE).LastCount();
}
// If what? Who seems to need unsigned int?
// BTW uint isn't even defined on wxMSW for VC++ for some reason. Even if it
// were, getpeername/getsockname don't take unsigned int*, they take int*.
-#if 0
-#define wxSOCKET_INT unsigned int
+//
+// Under glibc 2.0.7, socketbits.h declares socklen_t to be unsigned int
+// and it uses *socklen_t as the 3rd parameter. Robert.
+
+// JACS - How can we detect this?
+// Meanwhile, if your compiler complains about socklen_t,
+// switch lines below.
+
+#if wxHAVE_GLIBC2
+# define wxSOCKET_INT socklen_t
#else
-#define wxSOCKET_INT int
+# define wxSOCKET_INT int
#endif
// --------------------------------------------------------------
-// --------- wxSocketBase socket info functions -----------------
+// wxSocketBase socket info functions
// --------------------------------------------------------------
+
bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const
{
struct sockaddr my_addr;
if (m_fd < 0)
return FALSE;
- if (getpeername(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0)
+ m_internal->AcquireFD();
+
+ if (getpeername(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0) {
+ m_internal->ReleaseFD();
return FALSE;
+ }
+ m_internal->ReleaseFD();
addr_man.Disassemble(&my_addr, len_addr);
return TRUE;
}
if (m_fd < 0)
return FALSE;
- if (getsockname(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0)
+ m_internal->AcquireFD();
+ if (getsockname(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0) {
+ m_internal->ReleaseFD();
return FALSE;
+ }
+ m_internal->ReleaseFD();
addr_man.Disassemble(&my_addr, len_addr);
return TRUE;
}
// --------------------------------------------------------------
-// --------- wxSocketBase wait functions ------------------------
+// wxSocketBase wait functions
// --------------------------------------------------------------
void wxSocketBase::SaveState()
{
- wxSockState *state = new wxSockState;
+ SocketState *state = new SocketState;
- state->cbk_on = m_cbkon;
- state->cbk_set= m_neededreq;
- state->cbk = m_cbk;
- state->cdata = m_cdata;
- state->flags = m_flags;
- state->notif = m_notifyme;
+ state->notify_state = m_notify_state;
+ state->evt_notify_state = m_neededreq;
+ state->socket_flags = m_flags;
+ state->c_callback = m_cbk;
+ state->c_callback_data = m_cdata;
- m_states.Append(state);
+ m_states.Append((wxObject *)state);
}
void wxSocketBase::RestoreState()
{
wxNode *node;
+ SocketState *state;
node = m_states.Last();
if (!node)
return;
- wxSockState *state = (wxSockState *)node->Data();
+ state = (SocketState *)node->Data();
- SetFlags(state->flags);
- m_neededreq = state->cbk_set;
- m_cbk = state->cbk;
- m_cdata = state->cdata;
- m_notifyme = state->notif;
- if (state->cbk_on)
- SetupCallbacks();
- else
- DestroyCallbacks();
+ 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);
delete node;
delete state;
}
// --------------------------------------------------------------
-// --------- wxSocketBase wait functions ------------------------
+// --------- wxSocketBase callback functions --------------------
// --------------------------------------------------------------
-bool wxSocketBase::_Wait(long seconds, long microseconds, int type)
-{
- if ((!m_connected && !m_connecting) || m_fd < 0)
- return FALSE;
-
- wxSockWakeUp wakeup(this, &m_waitflags, 0);
-
- SaveState();
- SetNotify((wxRequestNotify)type);
- SetupCallbacks();
-
- if (seconds != -1)
- wakeup.Start((int)(seconds*1000 + (microseconds / 1000)), TRUE);
-
- m_waitflags = 0x80 | type;
- while (m_waitflags & 0x80)
- PROCESS_EVENTS();
-
- RestoreState();
-
- if (m_waitflags & 0x40) {
- m_waitflags = 0;
- return TRUE;
- }
- m_waitflags = 0;
-
- return FALSE;
-}
-
-bool wxSocketBase::Wait(long seconds, long microseconds)
+wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSockCbk cbk_)
{
- return _Wait(seconds, microseconds, REQ_ACCEPT | REQ_CONNECT |
- REQ_READ | REQ_WRITE | REQ_LOST);
-}
+ wxSockCbk old_cbk = cbk_;
-bool wxSocketBase::WaitForRead(long seconds, long microseconds)
-{
- return _Wait(seconds, microseconds, REQ_READ | REQ_LOST);
+ m_cbk = cbk_;
+ return old_cbk;
}
-bool wxSocketBase::WaitForWrite(long seconds, long microseconds)
+char *wxSocketBase::CallbackData(char *data)
{
- return _Wait(seconds, microseconds, REQ_WRITE);
-}
+ char *old_data = m_cdata;
-bool wxSocketBase::WaitForLost(long seconds, long microseconds)
-{
- return _Wait(seconds, microseconds, REQ_LOST);
+ m_cdata = data;
+ return old_data;
}
// --------------------------------------------------------------
-// --------- wxSocketBase callback management -------------------
+// --------- wxSocketBase wait functions ------------------------
// --------------------------------------------------------------
-#if defined(__WXMOTIF__) || defined(__WXXT__) || defined(__WXGTK__)
-#if defined(__WXMOTIF__) || defined(__WXXT__)
-static void wx_socket_read(XtPointer client, int *fid,
- XtInputId *WXUNUSED(id))
-#define fd *fid
-#else
-static void wx_socket_read(gpointer client, gint fd,
- GdkInputCondition WXUNUSED(cond))
-#define fd fd
-#endif
+bool wxSocketBase::_Wait(long seconds, long milliseconds, int type)
{
- wxSocketBase *sock = (wxSocketBase *)client;
- char c;
- int i;
-
- i = recv(fd, &c, 1, MSG_PEEK);
+ SockRequest *req;
- if (i == -1 && (sock->NeededReq() & wxSocketBase::REQ_ACCEPT)) {
- sock->OnRequest(wxSocketBase::EVT_ACCEPT);
- return;
- }
+ if ((!m_connected && !m_connecting) || m_fd < 0)
+ return FALSE;
- if (i != 0) {
- if (!(sock->NeededReq() & wxSocketBase::REQ_READ))
- return;
+ req = new SockRequest;
- sock->OnRequest(wxSocketBase::EVT_READ);
- } else {
- if (!(sock->NeededReq() & wxSocketBase::REQ_LOST)) {
- sock->Close();
- return;
- }
+ req->type = REQ_WAIT | type;
+ req->timeout = seconds * 1000 + milliseconds;
+ req->done = FALSE;
+ req->buffer = NULL;
+ req->size = 0;
+ req->error = 0;
+ req->wait = TRUE;
+ m_internal->QueueRequest(req, TRUE);
- sock->OnRequest(wxSocketBase::EVT_LOST);
- }
+ return (req->io_nbytes != 0);
}
-#undef fd
-#if defined(__WXMOTIF__) || defined(__WXXT__)
-static void wx_socket_write(XtPointer client, int *WXUNUSED(fid),
- XtInputId *WXUNUSED(id))
-#else
-static void wx_socket_write(gpointer client, gint WXUNUSED(fd),
- GdkInputCondition WXUNUSED(cond))
-#endif
+bool wxSocketBase::Wait(long seconds, long milliseconds)
{
- wxSocketBase *sock = (wxSocketBase *)client;
-
- if (!sock->IsConnected())
- sock->OnRequest(wxSocketBase::EVT_CONNECT);
- else
- sock->OnRequest(wxSocketBase::EVT_WRITE);
+ return _Wait(seconds, milliseconds, REQ_ACCEPT | REQ_CONNECT |
+ REQ_READ | REQ_WRITE | REQ_LOST);
}
-#endif
-#ifdef wx_xview
-Notify_value wx_sock_read_xview (Notify_client client, int fd)
+bool wxSocketBase::WaitForRead(long seconds, long milliseconds)
{
- wxSocketBase *sock = (wxSocketBase *)client;
- char c;
- int i;
-
- i = recv(fd, &c, 1, MSG_PEEK);
-
- if (i == -1 && (sock->NeededReq() & wxSocketBase::REQ_ACCEPT)) {
- sock->OnRequest(wxSocketBase::EVT_ACCEPT);
- return;
- }
-
- /* Bytes arrived */
- if (i != 0) {
- if (!(sock->NeededReq() & wxSocketBase::REQ_READ))
- return (Notify_value) FALSE;
-
- sock->OnRequest(wxSocketBase::EVT_READ);
- } else {
- if (!(sock->NeededReq() & wxSocketBase::REQ_LOST))
- return;
-
- sock->OnRequest(wxSocketBase::EVT_LOST);
- }
-
- return (Notify_value) FALSE;
+ return _Wait(seconds, milliseconds, REQ_READ | REQ_LOST);
}
-Notify_value wx_sock_write_xview (Notify_client client, int fd)
+bool wxSocketBase::WaitForWrite(long seconds, long milliseconds)
{
- wxSocketBase *sock = (wxSocketBase *)client;
-
- if (!sock->IsConnected())
- sock->OnRequest(wxSocketBase::EVT_CONNECT);
- else
- sock->OnRequest(wxSocketBase::EVT_WRITE);
+ return _Wait(seconds, milliseconds, REQ_WRITE);
+}
- return (Notify_value) TRUE;
+bool wxSocketBase::WaitForLost(long seconds, long milliseconds)
+{
+ return _Wait(seconds, milliseconds, REQ_LOST);
}
-#endif
+
+// --------------------------------------------------------------
+// --------- wxSocketBase callback management -------------------
+// --------------------------------------------------------------
wxSocketBase::wxRequestNotify wxSocketBase::EventToNotify(wxRequestEvent evt)
{
void wxSocketBase::SetFlags(wxSockFlags _flags)
{
m_flags = _flags;
- if (_flags & SPEED)
- {
- unsigned long flag = 0;
- ioctl(m_fd, FIONBIO, &flag);
-
+ if (_flags & SPEED) {
// SPEED and WAITALL are antagonists.
m_flags = (wxSockFlags)(m_flags & ~WAITALL);
-
- Notify(FALSE);
- }
- else
- {
- unsigned long flag = 1;
- ioctl(m_fd, FIONBIO, &flag);
}
}
-void wxSocketBase::SetNotify(wxRequestNotify flags)
+wxSocketBase::wxSockFlags wxSocketBase::GetFlags() const
{
- wxRequestNotify old_needed_req = m_neededreq;
- if (flags & REQ_ACCEPT)
- {
- /* Check if server */
- if (!(GetClassInfo()->IsKindOf(CLASSINFO(wxSocketServer))))
- flags &= ~REQ_ACCEPT;
- }
- m_neededreq = flags;
-
-/*
- if (m_cbkon && old_needed_req != flags) seems to be wrong, Robert Roebling
- SetupCallbacks();
-*/
-
- if ((!m_cbkon) || (old_needed_req != flags))
- SetupCallbacks();
+ return m_flags;
}
-void wxSocketBase::SetupCallbacks()
+void wxSocketBase::SetNotify(wxRequestNotify flags)
{
- if (m_fd == INVALID_SOCKET || !m_handler || (m_flags & SPEED))
- return;
+ /* Check if server */
+ if (m_type != SOCK_SERVER)
+ flags &= ~REQ_ACCEPT;
-#if defined(__WXMOTIF__) || defined(__WXXT__) || defined(__WXGTK__)
- if (m_cbkon)
- DestroyCallbacks();
- if (m_neededreq & (REQ_ACCEPT | REQ_READ | REQ_LOST)) {
-#ifdef __WXGTK__
- m_internal->sock_inputid = gdk_input_add(m_fd, GDK_INPUT_READ,
- wx_socket_read, (gpointer)this);
-#else
- m_internal->sock_inputid = XtAppAddInput (wxAPP_CONTEXT, m_fd,
- (XtPointer *) XtInputReadMask,
- (XtInputCallbackProc) wx_socket_read,
- (XtPointer) this);
-#endif
- }
- if (m_neededreq & (REQ_CONNECT | REQ_WRITE)) {
-#ifdef __WXGTK__
- m_internal->sock_outputid = gdk_input_add(m_fd, GDK_INPUT_WRITE,
- wx_socket_write, (gpointer)this);
-#else
- m_internal->sock_outputid = XtAppAddInput (wxAPP_CONTEXT, m_fd,
- (XtPointer *) XtInputWriteMask,
- (XtInputCallbackProc) wx_socket_write,
- (XtPointer) this);
-#endif
- }
-#endif
-#ifdef __WINDOWS__
- WORD mask = 0;
-
- if (m_neededreq & REQ_READ)
- mask |= FD_READ;
- if (m_neededreq & REQ_WRITE)
- mask |= FD_WRITE;
- if (m_neededreq & REQ_LOST)
- mask |= FD_CLOSE;
- if (m_neededreq & REQ_ACCEPT)
- mask |= FD_ACCEPT;
- if (m_neededreq & REQ_CONNECT)
- mask |= FD_CONNECT;
-
- if (!m_internal->my_msg)
- m_internal->my_msg = m_handler->NewMessage(this);
- WSAAsyncSelect(m_fd, m_handler->GetHWND(), m_internal->my_msg, mask);
-#endif
- m_cbkon = TRUE;
- m_processing = FALSE;
-}
-
-void wxSocketBase::DestroyCallbacks()
-{
- if (!m_cbkon || !m_handler)
- return;
-
- m_cbkon = FALSE;
- m_processing = FALSE;
-#if defined(__WXMOTIF__) || defined(__WXXT__)
- if (m_internal->sock_inputid > 0)
- XtRemoveInput(m_internal->sock_inputid);
- m_internal->sock_inputid = 0;
- if (m_internal->sock_outputid > 0)
- XtRemoveInput(m_internal->sock_outputid);
- m_internal->sock_outputid = 0;
-#endif
-#ifdef __WXGTK__
- if (m_internal->sock_inputid > 0)
- gdk_input_remove(m_internal->sock_inputid);
- m_internal->sock_inputid = 0;
- if (m_internal->sock_outputid > 0)
- gdk_input_remove(m_internal->sock_outputid);
- m_internal->sock_outputid = 0;
-#endif
-#ifdef __WINDOWS__
- WSAAsyncSelect(m_fd, m_handler->GetHWND(), 0, 0);
-#endif
+ m_internal->AcquireData();
+ m_neededreq = flags;
+ m_internal->ReleaseData();
+ if (m_neededreq == 0)
+ m_internal->StopWaiter();
+ else
+ Notify(m_notify_state);
}
void wxSocketBase::Notify(bool notify)
{
- if (m_notifyme == notify)
+ m_notify_state = notify;
+ if (m_fd == INVALID_SOCKET)
return;
+
if (notify)
- SetupCallbacks();
+ m_internal->ResumeWaiter();
else
- DestroyCallbacks();
- m_notifyme = notify;
+ m_internal->StopWaiter();
}
void wxSocketBase::OnRequest(wxRequestEvent req_evt)
{
- wxRequestNotify req_notif = EventToNotify(req_evt);
-
- // Mask the current event
- SetNotify(m_neededreq & ~req_notif);
-
- if (req_evt <= EVT_WRITE && DoRequests(req_evt))
- return;
+ wxSocketEvent event(m_id);
+ wxRequestNotify notify = EventToNotify(req_evt);
- if (m_waitflags & 0xF0)
- {
- // Wake up
- if ((m_waitflags & 0x0F) == req_evt)
- {
- m_waitflags = 0x80;
-#ifndef __WXGTK__
- DestroyCallbacks(); // I disable it to prevent infinite loop on X11.
-#endif
- }
- return;
- }
+ if ((m_neededreq & notify) == notify) {
+ event.m_socket = this;
+ event.m_skevt = req_evt;
+ ProcessEvent(event);
+ // TODOTODO
+ // OldOnNotify(req_evt);
- if (req_evt == EVT_LOST)
- {
- m_connected = FALSE;
- Close();
+ // We disable the event reporting.
+ m_neededreq &= ~notify;
}
- if (m_notifyme)
- OldOnNotify(req_evt);
-
- // Unmask
- SetNotify(m_neededreq | req_notif);
}
wxSocketEvent::wxSocketEvent(int id)
SetEventType(type);
}
-void wxSocketBase::OldOnNotify(wxRequestEvent evt)
+void wxSocketEvent::CopyObject(wxObject& obj_d) const
{
- wxSocketEvent event(m_id);
+ wxSocketEvent *event = (wxSocketEvent *)&obj_d;
- event.SetEventObject(this);
- event.m_skevt = evt;
- ProcessEvent(event);
+ wxEvent::CopyObject(obj_d);
- if (m_cbk)
- m_cbk(*this, evt, m_cdata);
+ event->m_skevt = m_skevt;
+ event->m_socket = m_socket;
}
-// --------------------------------------------------------------
-// --------- wxSocketBase functions [Callback, CallbackData] ----
-// --------------------------------------------------------------
-
-wxSocketBase::wxSockCbk wxSocketBase::Callback(wxSocketBase::wxSockCbk _cbk)
+void wxSocketBase::OldOnNotify(wxRequestEvent evt)
{
- wxSockCbk old_cbk = m_cbk;
-
- m_cbk = _cbk;
- return old_cbk;
}
-char *wxSocketBase::CallbackData(char *cdata_)
-{
- char *old_cdata = m_cdata;
-
- m_cdata = cdata_;
- return old_cdata;
-}
+// --------------------------------------------------------------
+// --------- wxSocketBase functions [Callback, CallbackData] ----
+// --------------------------------------------------------------
void wxSocketBase::SetEventHandler(wxEvtHandler& h_evt, int id)
{
{
char *curr_pos;
- m_unread = (char *) realloc(m_unread, m_unrd_size+size);
+ if (m_unread != NULL)
+ m_unread = (char *) realloc(m_unread, m_unrd_size+size);
+ else
+ m_unread = (char *) malloc(size);
curr_pos = m_unread + m_unrd_size;
memcpy(curr_pos, buffer, size);
curr_pos = new_buf + size;
memcpy(new_buf, buffer, size);
- memcpy(curr_pos, m_unread, m_unrd_size);
-
- free(m_unread);
+ if (m_unrd_size != 0) {
+ memcpy(curr_pos, m_unread, m_unrd_size);
+ free(m_unread);
+ }
m_unread = new_buf;
m_unrd_size += size;
}
if (!peek) {
m_unrd_size -= size;
- if (!m_unrd_size) {
+ if (m_unrd_size == 0) {
free(m_unread);
m_unread = NULL;
}
}
// --------------------------------------------------------------
-// --------- wxSocketBase "multi-thread" core -------------------
+// --------- wxSocketBase buffer core requester -----------------
// --------------------------------------------------------------
-bool wxSocketBase::DoRequests(wxRequestEvent req_flag)
-{
- wxNode *node = req_list[req_flag].First();
- size_t len;
- int ret;
-
- if (!node)
- return FALSE;
-
- SockRequest *req = (SockRequest *)node->Data();
-
- delete node;
-
- switch (req->type)
- {
- case EVT_READ:
- case EVT_PEEK:
- ret = recv(m_fd, req->buffer, req->size,
- (req->type == EVT_PEEK) ? MSG_PEEK : 0);
- if (ret < 0) {
- req->error = errno;
- req->done = TRUE;
- break;
- }
- len = ret;
- if ((len < req->size) && (m_flags & WAITALL)) {
- req->size -= len;
- req->nbytes += len;
- req->buffer += len;
- req->auto_wakeup->Start(m_timeout*1000, TRUE);
- req_list[req_flag].Insert(req);
- break;
- }
- req->done = TRUE;
- req->nbytes += len;
-#ifndef __WXGTK__
- DestroyCallbacks();
-#endif
- break;
- case EVT_WRITE:
- ret = send(m_fd, req->buffer, req->size, 0);
- if (ret < 0) {
- req->error = errno;
- req->done = TRUE;
- break;
- }
- len = ret;
- if ((len < req->size) && (m_flags & WAITALL)) {
- req->size -= len;
- req->nbytes += len;
- req->buffer += len;
- req->auto_wakeup->Start(m_timeout*1000, TRUE);
- req_list[req_flag].Insert(req);
- break;
- }
- req->done = TRUE;
- req->nbytes += len;
-#ifndef __WXGTK__
- DestroyCallbacks();
-#endif
- break;
- default:
- return FALSE;
- }
- return TRUE;
-}
-
-void wxSocketBase::WantSpeedBuffer(char *buffer, size_t nbytes,
- wxRequestEvent evt)
-{
- int ret = 0;
-
- switch (evt) {
- case EVT_PEEK:
- case EVT_READ:
- ret = recv(m_fd, buffer, nbytes,
- (evt == EVT_PEEK) ? MSG_PEEK : 0);
- break;
- case EVT_WRITE:
- ret = send(m_fd, buffer, nbytes, 0);
- break;
- }
- if (ret < 0) {
- m_lcount = 0;
- m_error = errno;
- } else {
- m_lcount = ret;
- m_error = 0;
- }
-}
-
void wxSocketBase::WantBuffer(char *buffer, size_t nbytes,
- wxRequestEvent evt)
+ wxRequestEvent evt)
{
bool buf_timed_out;
if (m_fd == INVALID_SOCKET || !m_handler || !m_connected)
return;
- if (m_flags & SPEED) {
- WantSpeedBuffer(buffer, nbytes, evt);
- return;
- }
-
SockRequest *buf = new SockRequest;
- wxSockWakeUp s_wake(NULL, (int *)&buf_timed_out, (int)TRUE);
-
- m_wantbuf++;
- req_list[evt].Append(buf);
SaveState();
- SetNotify(REQ_LOST | EventToNotify(evt));
- SetupCallbacks();
buf->buffer = buffer;
buf->size = nbytes;
buf->done = FALSE;
- buf->type = evt;
- buf->nbytes = 0;
- buf->auto_wakeup = &s_wake;
+ buf->type = EventToNotify(evt);
+ buf->io_nbytes = 0;
buf->error = 0;
+ buf->wait = TRUE;
+ buf->timeout = 1000;
buf_timed_out = FALSE;
- s_wake.Start(m_timeout*1000, TRUE);
- if (m_flags & NOWAIT)
- {
- DoRequests(evt);
- }
- else
- {
- while (!buf->done && !buf_timed_out)
- PROCESS_EVENTS();
- }
- m_wantbuf--;
- m_lcount = buf->nbytes;
+ if ((m_flags & SPEED) != 0)
+ m_internal->QueueRequest(buf, FALSE);
+ else
+ if ((m_flags & NOWAIT) != 0)
+ m_internal->QueueRequest(buf, TRUE);
+ else
+ m_internal->QueueRequest(buf, TRUE);
+ m_lcount += buf->io_nbytes;
if (buf_timed_out)
m_error = ETIMEDOUT;
else
}
// --------------------------------------------------------------
-// wxSocketServer ///////////////////////////////////////////////
+// wxSocketServer
// --------------------------------------------------------------
-// --------------------------------------------------------------
-// --------- wxSocketServer CONSTRUCTOR -------------------------
-// --------------------------------------------------------------
wxSocketServer::wxSocketServer(wxSockAddress& addr_man,
- wxSockFlags flags) :
+ wxSockFlags flags) :
wxSocketBase(flags, SOCK_SERVER)
{
m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0);
m_fd = INVALID_SOCKET;
return;
}
+
+ m_internal->SetFD(m_fd);
+
+ Notify(TRUE);
}
// --------------------------------------------------------------
-// --------- wxSocketServer Accept ------------------------------
+// wxSocketServer Accept
// --------------------------------------------------------------
+
bool wxSocketServer::AcceptWith(wxSocketBase& sock)
{
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;
int flag = 0;
setsockopt(fd2, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int));
- if (!(sock.m_flags & SPEED)) {
- unsigned long flag2 = 1;
- ioctl(fd2, FIONBIO, &flag2);
- }
-
sock.m_type = SOCK_INTERNAL;
sock.m_fd = fd2;
sock.m_connected = TRUE;
+ sock.m_internal->SetFD(fd2);
+
+ sock.m_internal->ResumeWaiter();
+
return TRUE;
}
}
// --------------------------------------------------------------
-// --------- wxSocketServer callbacks ---------------------------
-// --------------------------------------------------------------
-void wxSocketServer::OnRequest(wxRequestEvent evt)
-{
- if (evt == EVT_ACCEPT) {
- OldOnNotify(EVT_ACCEPT);
- }
-}
-
-// --------------------------------------------------------------
-// wxSocketClient ///////////////////////////////////////////////
+// wxSocketClient
// --------------------------------------------------------------
// --------- wxSocketClient CONSTRUCTOR -------------------------
// --------------------------------------------------------------
wxSocketClient::wxSocketClient(wxSockFlags _flags) :
- wxSocketBase(_flags, SOCK_CLIENT)
+ wxSocketBase(_flags, SOCK_CLIENT)
{
}
if (IsConnected())
Close();
+ // Initializes all socket stuff ...
+ // --------------------------------
m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0);
if (m_fd < 0)
if (connect(m_fd, remote, len) != 0)
return FALSE;
- if (!(m_flags & SPEED)) {
- flag = 1;
- ioctl(m_fd, FIONBIO, &flag);
- }
+ m_internal->SetFD(m_fd);
+ // Enables bg events.
+ // ------------------
Notify(TRUE);
m_connected = TRUE;
void wxSocketClient::OnRequest(wxRequestEvent evt)
{
- if (evt == EVT_CONNECT) {
- if (m_connected) {
- SetNotify(m_neededreq & ~REQ_CONNECT);
+ if (evt == EVT_CONNECT)
+ {
+ if (m_connected)
+ {
+ m_neededreq &= ~REQ_CONNECT;
return;
}
- m_waitflags = 0x40;
m_connected = TRUE;
- OldOnNotify(EVT_CONNECT);
- DestroyCallbacks();
return;
}
wxSocketBase::OnRequest(evt);
// --------------------------------------------------------------
// --------- wxSocketHandler CONSTRUCTOR ------------------------
// --------------------------------------------------------------
-#ifdef __WINDOWS__
-
-extern char wxPanelClassName[];
-
-LRESULT APIENTRY _EXPORT wxSocketHandlerWndProc(HWND hWnd, UINT message,
- WPARAM wParam, LPARAM lParam)
-{
- if(message==WM_DESTROY)
- {
- ::SetWindowLong(hWnd, GWL_WNDPROC, (LONG) DefWindowProc);
- return DefWindowProc(hWnd, message, wParam, lParam);
- }
- wxSocketHandler *h_sock = (wxSocketHandler *)GetWindowLong(hWnd, GWL_USERDATA);
- wxNode *node = h_sock->smsg_list->Find(message);
- wxSocketBase *sock;
- wxSocketBase::wxRequestEvent sk_req;
- UINT event = WSAGETSELECTEVENT(lParam);
-
- if (!node)
- return DefWindowProc(hWnd, message, wParam, lParam);
-
- sock = (wxSocketBase *)node->Data();
-
- switch (event) {
- case FD_READ:
- sk_req = wxSocketBase::EVT_READ;
- break;
- case FD_WRITE:
- sk_req = wxSocketBase::EVT_WRITE;
- break;
- case FD_CLOSE:
- sk_req = wxSocketBase::EVT_LOST;
- break;
- case FD_ACCEPT:
- sk_req = wxSocketBase::EVT_ACCEPT;
- break;
- case FD_CONNECT:
- sk_req = wxSocketBase::EVT_CONNECT;
- break;
- }
- sock->OnRequest(sk_req);
-
- return (LRESULT)0;
-}
-
-FARPROC wxSocketSubClassProc = NULL;
-
-#endif
-
wxSocketHandler::wxSocketHandler()
{
#if defined(__WINDOWS__)
- if (!win_initialized) {
+ if (!win_initialized)
+ {
WSADATA wsaData;
WSAStartup((1 << 8) | 1, &wsaData);
win_initialized = 1;
}
- internal = new wxSockHandlerInternal;
- internal->sockWin = ::CreateWindow(wxPanelClassName, NULL, 0,
- 0, 0, 0, 0, NULL, (HMENU) NULL,
- wxhInstance, 0);
-
- // Subclass the window
- if (!wxSocketSubClassProc)
- wxSocketSubClassProc = MakeProcInstance((FARPROC) wxSocketHandlerWndProc, wxhInstance);
- ::SetWindowLong(internal->sockWin, GWL_WNDPROC, (LONG) wxSocketSubClassProc);
- ::SetWindowLong(internal->sockWin, GWL_USERDATA, (LONG) this);
-
- internal->firstAvailableMsg = 5000;
- smsg_list = new wxList(wxKEY_INTEGER);
#endif
socks = new wxList;
{
wxNode *next_node, *node = socks->First();
- while (node) {
+ while (node)
+ {
wxSocketBase* sock = (wxSocketBase*)node->Data();
delete sock;
delete socks;
#ifdef __WINDOWS__
- delete smsg_list;
-
- ::DestroyWindow(internal->sockWin);
WSACleanup();
win_initialized = 0;
-
- delete internal;
#endif
}
// --------------------------------------------------------------
// --------- wxSocketHandler registering functions --------------
// --------------------------------------------------------------
+
void wxSocketHandler::Register(wxSocketBase* sock)
{
wxNode *node;
- for (node = socks->First(); node != NULL; node = node->Next()) {
+ for (node = socks->First(); node != NULL; node = node->Next())
+ {
wxSocketBase* s = (wxSocketBase*)node->Data();
if (s == sock)
return;
}
- if (sock) {
+ if (sock)
+ {
socks->Append(sock);
sock->SetHandler(this);
- sock->SetupCallbacks();
}
}
{
wxNode *node;
- for (node = socks->First(); node; node = node->Next()) {
+ for (node = socks->First(); node; node = node->Next())
+ {
wxSocketBase* s = (wxSocketBase*)node->Data();
- if (s == sock) {
+ if (s == sock)
+ {
delete node;
- sock->DestroyCallbacks();
sock->SetHandler(NULL);
return;
}
// --------------------------------------------------------------
// --------- wxSocketHandler "big" wait functions ---------------
// --------------------------------------------------------------
-void handler_cbk(wxSocketBase& sock,
- wxSocketBase::wxRequestEvent WXUNUSED(flags),
- char *cdata)
-{
- int *a_wait = (int *)cdata;
-
- (*a_wait)++;
- sock.Notify(FALSE);
-}
int wxSocketHandler::Wait(long seconds, long microseconds)
{
+ // TODO Needs the completely asynchronous notifier.
+
+ /*
int i;
int on_wait;
- wxSockWakeUp s_wake(NULL, &on_wait, -2);
wxNode *node;
-
- for (node = socks->First(), i=0; node; node = node->Next(), i++) {
+ for (node = socks->First(), i=0; node; node = node->Next(), i++)
+ {
wxSocketBase *sock = (wxSocketBase *)node->Data();
sock->SaveState();
while (!on_wait)
PROCESS_EVENTS();
- for (node = socks->First(), i=0; node; node = node->Next(), i++) {
+ for (node = socks->First(), i=0; node; node = node->Next(), i++)
+ {
wxSocketBase *sock = (wxSocketBase *)node->Data();
sock->RestoreState();
return 0;
return on_wait;
+ */
+ return 0;
}
void wxSocketHandler::YieldSock()
{
wxNode *node;
- for (node = socks->First(); node; node = node->Next() ) {
+ // Nothing to do anymore here except waiting for the queue emptying.
+ for (node = socks->First(); node; node=node->Next()) {
wxSocketBase *sock = (wxSocketBase *)node->Data();
- sock->SaveState();
-
- sock->SetFlags(wxSocketBase::SPEED);
- if (sock->IsData())
- sock->DoRequests(wxSocketBase::EVT_READ);
- sock->DoRequests(wxSocketBase::EVT_WRITE);
-
- sock->RestoreState();
+ sock->m_internal->WaitForEnd(NULL);
}
}
// --------- wxSocketHandler: create and register the socket ----
// --------------------------------------------------------------
wxSocketServer *wxSocketHandler::CreateServer(wxSockAddress& addr,
- wxSocketBase::wxSockFlags flags)
+ wxSocketBase::wxSockFlags flags)
{
wxSocketServer *serv = new wxSocketServer(addr, flags);
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)
+bool wxSocketModule::OnInit()
{
- wxNode *node = smsg_list->Find(msg);
- delete node;
-}
-
-HWND wxSocketHandler::GetHWND() const
-{
- return internal->sockWin;
-}
-
-#endif
-
-bool wxSocketModule::OnInit() {
wxSocketHandler::master = new wxSocketHandler();
return TRUE;
}
-void wxSocketModule::OnExit() {
+void wxSocketModule::OnExit()
+{
delete wxSocketHandler::master;
wxSocketHandler::master = NULL;
}
#endif
// __WXSTUBS__
+
+#endif
+ // wxUSE_SOCKETS
projects / wxWidgets.git / blobdiff