////////////////////////////////////////////////////////////////////////////////
// Name: socket.cpp
// Purpose: Socket handler classes
-// Authors: Guilhem Lavaux (completely rewritten from a basic API of Andrew
-// Davidson(1995) in wxWeb)
+// Authors: Guilhem Lavaux
// Created: April 1997
-// Updated: April 1999
-// Copyright: (C) 1999 1998, 1997, Guilhem Lavaux
+// Updated: July 1999
+// Copyright: (C) 1999, 1998, 1997, Guilhem Lavaux
// RCS_ID: $Id$
// License: see wxWindows license
////////////////////////////////////////////////////////////////////////////////
#pragma implementation "socket.h"
#endif
-#ifdef __MWERKS__
-typedef int socklen_t ;
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include <wx/string.h>
#include <wx/timer.h>
#include <wx/utils.h>
-
-// Not enough OS behaviour defined for wxStubs
-#ifndef __WXSTUBS__
+#include <wx/log.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
-/////////////////////////////////////////////////////////////////////////////
-// 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__
-
-#if defined(__UNIX__)
-
-#ifdef VMS
-#include <socket.h>
-#else
-#include <sys/socket.h>
-#endif
-#include <sys/ioctl.h>
-
-#include <sys/time.h>
-#include <unistd.h>
-
-#ifdef sun
-#include <sys/filio.h>
-#endif
-
-#endif // __UNIX__
-
-#include <signal.h>
-#include <errno.h>
-
-#ifdef __VISUALC__
-#include <io.h>
-#endif
-
/////////////////////////////////////////////////////////////////////////////
// wxSocket headers
/////////////////////////////////////////////////////////////////////////////
#include <wx/module.h>
-#define WXSOCK_INTERNAL
#include <wx/sckaddr.h>
#include <wx/socket.h>
-#include <wx/sckint.h>
-
-// ----------------------
-// Some patch ----- BEGIN
-// ----------------------
-#ifdef __WINDOWS__
-#define close closesocket
-#define ioctl ioctlsocket
-#ifdef errno
-#undef errno
-#endif
-#define errno WSAGetLastError()
-#ifdef EWOULDBLOCK
-#undef EWOULDBLOCK
-#endif
-#define EWOULDBLOCK WSAEWOULDBLOCK
-#define ETIMEDOUT WSAETIMEDOUT
-#undef EINTR
-#define EINTR WSAEINTR
-#endif
-
-#ifndef __WINDOWS__
-#define INVALID_SOCKET -1
-#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( __VISUALC__ )
-int PASCAL FAR __WSAFDIsSet(SOCKET fd, fd_set FAR *set)
-{
- int i = set->fd_count;
-
- while (i--)
- {
- if (set->fd_array[i] == fd)
- return 1;
- }
-
- return 0;
-}
-#endif
-#endif
-
-// -------------------
-// Some patch ---- END
-// -------------------
-
-#ifdef GetClassInfo
-#undef GetClassInfo
-#endif
-
-// --------------------------------------------------------------
-// Module
-// --------------------------------------------------------------
-class wxSocketModule: public wxModule
-{
- DECLARE_DYNAMIC_CLASS(wxSocketModule)
-public:
- wxSocketModule() {}
- bool OnInit();
- void OnExit();
-};
// --------------------------------------------------------------
// ClassInfos
IMPLEMENT_CLASS(wxSocketBase, wxObject)
IMPLEMENT_CLASS(wxSocketServer, wxSocketBase)
IMPLEMENT_CLASS(wxSocketClient, wxSocketBase)
-IMPLEMENT_CLASS(wxSocketHandler, wxObject)
IMPLEMENT_DYNAMIC_CLASS(wxSocketEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxSocketModule, wxModule)
#endif
+class wxSocketState : public wxObject {
+public:
+ bool notify_state;
+ GSocketEventFlags evt_notify_state;
+ wxSocketBase::wxSockFlags socket_flags;
+ wxSocketBase::wxSockCbk c_callback;
+ char *c_callback_data;
+
+public:
+ wxSocketState() : wxObject() {}
+};
+
// --------------------------------------------------------------
// --------- wxSocketBase CONSTRUCTOR ---------------------------
// --------------------------------------------------------------
wxSocketBase::wxSocketBase(wxSocketBase::wxSockFlags _flags,
wxSocketBase::wxSockType _type) :
wxEvtHandler(),
- m_flags(_flags), m_type(_type), m_connected(FALSE), m_connecting(FALSE),
- m_fd(INVALID_SOCKET), m_id(-1),
- m_handler(0),
- m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)),
- m_timeout(3600),
- m_unread(NULL), m_unrd_size(0),
+ m_socket(NULL), m_flags(_flags), m_type(_type),
+ m_neededreq(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG),
+ m_lcount(0), m_timeout(3600),
+ m_unread(NULL), m_unrd_size(0), m_unrd_cur(0),
m_cbk(NULL), m_cdata(NULL),
- m_notify_state(FALSE)
+ m_connected(FALSE), m_notify_state(FALSE), m_id(-1),
+ m_defering(NO_DEFER),
+ m_states()
{
- 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_id(-1), m_handler(0),
- m_neededreq((wxRequestNotify)(REQ_READ | REQ_LOST)),
- m_timeout(3600),
- m_unread(NULL), m_unrd_size(0),
+ m_socket(NULL), m_flags(SPEED | WAITALL), m_type(SOCK_UNINIT),
+ m_neededreq(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG),
+ m_lcount(0), m_timeout(3600),
+ m_unread(NULL), m_unrd_size(0), m_unrd_cur(0),
m_cbk(NULL), m_cdata(NULL),
- m_notify_state(FALSE)
+ m_connected(FALSE), m_notify_state(FALSE), m_id(-1),
+ m_defering(NO_DEFER),
+ m_states()
{
- m_internal = new wxSocketInternal(this);
}
// --------------------------------------------------------------
-// wxSocketBase
+// wxSocketBase destructor
// --------------------------------------------------------------
wxSocketBase::~wxSocketBase()
{
- // First, close the file descriptor.
- Close();
-
if (m_unread)
free(m_unread);
- // Unregister from the handler database.
- if (m_handler)
- m_handler->UnRegister(this);
- // Destroy all saved states.
- m_states.DeleteContents(TRUE);
+ // At last, close the file descriptor.
+ Close();
- // Destroy the socket manager.
- delete m_internal;
+ if (m_socket)
+ GSocket_destroy(m_socket);
}
bool wxSocketBase::Close()
{
- if (m_fd != INVALID_SOCKET)
+ if (m_socket)
{
if (m_notify_state == TRUE)
Notify(FALSE);
// Shutdown the connection.
- shutdown(m_fd, 2);
- close(m_fd);
- m_fd = INVALID_SOCKET;
+ GSocket_Shutdown(m_socket);
m_connected = FALSE;
}
// wxSocketBase base IO function
// --------------------------------------------------------------
+int wxSocketBase::DeferRead(char *buffer, size_t nbytes)
+{
+ GSocketEventFlags old_event_flags;
+ bool old_notify_state;
+
+ wxASSERT(m_defering == NO_DEFER);
+
+ m_defering = DEFER_READ;
+
+ old_event_flags = NeededReq();
+ old_notify_state = m_notify_state;
+
+ SetNotify(GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG);
+ Notify(TRUE);
+
+ m_defer_buffer = buffer;
+ m_defer_nbytes = nbytes;
+ while (m_defer_buffer != NULL)
+ wxYield();
+
+ Notify(old_notify_state);
+ SetNotify(old_event_flags);
+
+ m_defering = NO_DEFER;
+
+ return nbytes-m_defer_nbytes;
+}
+
wxSocketBase& wxSocketBase::Read(char* buffer, size_t nbytes)
{
+ int ret = 1;
+
m_lcount = GetPushback(buffer, nbytes, FALSE);
nbytes -= m_lcount;
buffer += m_lcount;
+ if (!m_connected)
+ return *this;
+
// 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);
+ if ((m_flags & SPEED) != 0) {
+
+ if ((m_flags & WAITALL) != 0) {
+ while (ret > 0 && nbytes > 0) {
+ ret = GSocket_Read(m_socket, buffer, nbytes);
+ m_lcount += ret;
+ buffer += ret;
+ nbytes -= ret;
+ }
+ // In case the last call was an error ...
+ if (ret < 0)
+ m_lcount ++;
+ } else {
+ ret = GSocket_Read(m_socket, buffer, nbytes);
+ if (ret > 0)
+ m_lcount += ret;
+ }
+
+ } else {
+ ret = DeferRead(buffer, nbytes);
+
+ if (ret > 0)
+ m_lcount += ret;
+ }
return *this;
}
-wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes)
+wxSocketBase& wxSocketBase::ReadMsg(char* buffer, size_t nbytes)
{
- m_lcount = GetPushback(buffer, nbytes, TRUE);
- if (nbytes-m_lcount == 0)
- {
+ 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;
}
- buffer += m_lcount;
- nbytes -= m_lcount;
+ 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;
- WantBuffer(buffer, nbytes, EVT_PEEK);
+ 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
+ if (sig != 0xdeadfeed)
+ wxLogDebug(_T("Warning: invalid signature returned to ReadMsg\n"));
+
+ return *this;
+}
+
+wxSocketBase& wxSocketBase::Peek(char* buffer, size_t nbytes)
+{
+ Read(buffer, nbytes);
+ CreatePushbackAfter(buffer, nbytes);
return *this;
}
+int wxSocketBase::DeferWrite(const char *buffer, size_t nbytes)
+{
+ GSocketEventFlags old_event_flags;
+ bool old_notify_state;
+
+ wxASSERT(m_defering == NO_DEFER);
+
+ m_defering = DEFER_WRITE;
+
+ old_event_flags = NeededReq();
+ old_notify_state = m_notify_state;
+
+ SetNotify(GSOCK_OUTPUT_FLAG | GSOCK_LOST_FLAG);
+ Notify(TRUE);
+
+ m_defer_buffer = (char *)buffer;
+ m_defer_nbytes = nbytes;
+ while (m_defer_buffer != NULL)
+ wxYield();
+
+ Notify(old_notify_state);
+ SetNotify(old_event_flags);
+
+ m_defering = NO_DEFER;
+
+ return nbytes-m_defer_nbytes;
+}
+
wxSocketBase& wxSocketBase::Write(const char *buffer, size_t nbytes)
{
- m_lcount = 0;
- WantBuffer((char *)buffer, nbytes, EVT_WRITE);
+ int ret;
+
+ if ((m_flags & SPEED) != 0)
+ ret = GSocket_Write(m_socket, buffer, nbytes);
+ else
+ ret = DeferWrite(buffer, nbytes);
+
+ if (ret != -1)
+ m_lcount += ret;
+
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;
}
bool wxSocketBase::IsData() const
{
- struct timeval tv;
- fd_set sock_set;
-
- if (m_fd < 0)
+ if (!m_socket)
return FALSE;
- if (m_unrd_size > 0)
- return TRUE;
- m_internal->AcquireFD();
+ return (GSocket_DataAvailable(m_socket));
+}
- 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);
+void wxSocketBase::DoDefer(GSocketEvent req_evt)
+{
+ int ret;
- m_internal->ReleaseFD();
+ if (req_evt == GSOCK_LOST) {
+ Close();
+ m_defer_buffer = NULL;
+ return;
+ }
+ switch (m_defering) {
+ case DEFER_READ:
+ ret = GSocket_Read(m_socket, m_defer_buffer, m_defer_nbytes);
+ break;
+ case DEFER_WRITE:
+ ret = GSocket_Write(m_socket, m_defer_buffer, m_defer_nbytes);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
- return (FD_ISSET(m_fd, &sock_set) != 0);
+ m_defer_nbytes -= ret;
+
+ if (ret < 0)
+ m_defer_nbytes++;
+
+ if ((m_flags & WAITALL) == 0 || m_defer_nbytes == 0 || ret < 0) {
+ m_defer_buffer = NULL;
+ Notify(FALSE);
+ } else
+ m_defer_buffer += ret;
}
// ---------------------------------------------------------------------
size_t recv_size = MAX_BUFSIZE;
SaveState();
- SetFlags((wxSockFlags)(NOWAIT | SPEED));
+ SetFlags(NOWAIT | SPEED);
- while (recv_size == MAX_BUFSIZE)
+ while (recv_size == MAX_BUFSIZE)
{
recv_size = Read(my_data, MAX_BUFSIZE).LastCount();
}
#undef MAX_BUFSIZE
}
-// 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*.
-//
-// 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
-#endif
-
// --------------------------------------------------------------
// wxSocketBase socket info functions
// --------------------------------------------------------------
bool wxSocketBase::GetPeer(wxSockAddress& addr_man) const
{
- struct sockaddr my_addr;
- wxSOCKET_INT len_addr = sizeof(my_addr);
+ GAddress *peer;
- if (m_fd < 0)
+ if (!m_socket)
return FALSE;
- m_internal->AcquireFD();
-
- if (getpeername(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0) {
- m_internal->ReleaseFD();
- return FALSE;
- }
+ peer = GSocket_GetPeer(m_socket);
+ addr_man.SetAddress(peer);
+ GAddress_destroy(peer);
- m_internal->ReleaseFD();
- addr_man.Disassemble(&my_addr, len_addr);
return TRUE;
}
bool wxSocketBase::GetLocal(wxSockAddress& addr_man) const
{
- struct sockaddr my_addr;
- wxSOCKET_INT len_addr = sizeof(my_addr);
+ GAddress *local;
- if (m_fd < 0)
+ if (!m_socket)
return FALSE;
- m_internal->AcquireFD();
-
- if (getsockname(m_fd, (struct sockaddr *)&my_addr, &len_addr) < 0) {
- m_internal->ReleaseFD();
- return FALSE;
- }
- m_internal->ReleaseFD();
+ local = GSocket_GetLocal(m_socket);
+ addr_man.SetAddress(local);
+ GAddress_destroy(local);
- addr_man.Disassemble(&my_addr, len_addr);
return TRUE;
}
void wxSocketBase::SaveState()
{
- SocketState *state = new SocketState;
+ wxSocketState *state;
+
+ state = new wxSocketState();
state->notify_state = m_notify_state;
state->evt_notify_state = m_neededreq;
state->c_callback = m_cbk;
state->c_callback_data = m_cdata;
- m_states.Append((wxObject *)state);
+ m_states.Append(state);
}
void wxSocketBase::RestoreState()
{
wxNode *node;
- SocketState *state;
+ wxSocketState *state;
node = m_states.Last();
if (!node)
return;
- state = (SocketState *)node->Data();
+ state = (wxSocketState *)node->Data();
SetFlags(state->socket_flags);
m_neededreq = state->evt_notify_state;
// --------- wxSocketBase wait functions ------------------------
// --------------------------------------------------------------
+class _wxSocketInternalTimer: public wxTimer {
+ public:
+ int *m_state;
+
+ void Notify()
+ {
+ *m_state = GSOCK_MAX_EVENT; // Just to say it's a timeout.
+ }
+};
+
+static void wx_socket_wait(GSocket *socket, GSocketEvent event, char *cdata)
+{
+ int *state = (int *)cdata;
+
+ *state = event;
+}
+
bool wxSocketBase::_Wait(long seconds, long milliseconds, int type)
{
- SockRequest *req;
+ bool old_notify_state = m_notify_state;
+ int state = 0;
+ _wxSocketInternalTimer timer;
- if ((!m_connected && !m_connecting) || m_fd < 0)
+ if (!m_connected || !m_socket)
return FALSE;
- req = new SockRequest;
+ timer.m_state = &state;
+
+ Notify(FALSE);
+
+ timer.Start(seconds * 1000 + milliseconds, TRUE);
+ GSocket_SetFallback(m_socket, type, wx_socket_wait, (char *)&state);
+
+ while (state == 0)
+ wxYield();
- 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);
+ GSocket_UnsetFallback(m_socket, type);
+ timer.Stop();
- return (req->io_nbytes != 0);
+ Notify(old_notify_state);
+
+ return (state != GSOCK_MAX_EVENT);
}
bool wxSocketBase::Wait(long seconds, long milliseconds)
{
- return _Wait(seconds, milliseconds, REQ_ACCEPT | REQ_CONNECT |
- REQ_READ | REQ_WRITE | REQ_LOST);
+ return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_CONNECTION_FLAG | GSOCK_LOST_FLAG);
}
bool wxSocketBase::WaitForRead(long seconds, long milliseconds)
{
- return _Wait(seconds, milliseconds, REQ_READ | REQ_LOST);
+ return _Wait(seconds, milliseconds, GSOCK_INPUT_FLAG | GSOCK_LOST_FLAG);
}
bool wxSocketBase::WaitForWrite(long seconds, long milliseconds)
{
- return _Wait(seconds, milliseconds, REQ_WRITE);
+ return _Wait(seconds, milliseconds, GSOCK_OUTPUT_FLAG | GSOCK_LOST_FLAG);
}
bool wxSocketBase::WaitForLost(long seconds, long milliseconds)
{
- return _Wait(seconds, milliseconds, REQ_LOST);
+ return _Wait(seconds, milliseconds, GSOCK_LOST_FLAG);
}
// --------------------------------------------------------------
// --------- wxSocketBase callback management -------------------
// --------------------------------------------------------------
-wxSocketBase::wxRequestNotify wxSocketBase::EventToNotify(wxRequestEvent evt)
+GSocketEventFlags wxSocketBase::EventToNotify(GSocketEvent evt)
{
- switch (evt)
+ switch (evt)
{
- case EVT_READ:
- return REQ_READ;
- case EVT_PEEK:
- return REQ_PEEK;
- case EVT_WRITE:
- return REQ_WRITE;
- case EVT_LOST:
- return REQ_LOST;
- case EVT_ACCEPT:
- return REQ_ACCEPT;
- case EVT_CONNECT:
- return REQ_CONNECT;
+ case GSOCK_INPUT:
+ return GSOCK_INPUT_FLAG;
+ case GSOCK_OUTPUT:
+ return GSOCK_OUTPUT_FLAG;
+ case GSOCK_CONNECTION:
+ return GSOCK_CONNECTION_FLAG;
+ case GSOCK_LOST_FLAG:
+ return GSOCK_LOST_FLAG;
+ default:
+ return 0;
}
return 0;
}
void wxSocketBase::SetFlags(wxSockFlags _flags)
{
m_flags = _flags;
- if (_flags & SPEED) {
- // SPEED and WAITALL are antagonists.
- m_flags = (wxSockFlags)(m_flags & ~WAITALL);
- }
}
wxSocketBase::wxSockFlags wxSocketBase::GetFlags() const
return m_flags;
}
-void wxSocketBase::SetNotify(wxRequestNotify flags)
+void wxSocketBase::SetNotify(GSocketEventFlags flags)
{
/* Check if server */
if (m_type != SOCK_SERVER)
- flags &= ~REQ_ACCEPT;
+ flags &= ~GSOCK_CONNECTION_FLAG;
m_neededreq = flags;
if (m_neededreq == 0)
- m_internal->StopWaiter();
+ Notify(FALSE);
else
Notify(m_notify_state);
}
+// --------------------------------------------------------------
+// Automatic notifier
+// --------------------------------------------------------------
+
+static void wx_socket_fallback(GSocket *socket, GSocketEvent event, char *cdata)
+{
+ wxSocketBase *sckobj = (wxSocketBase *)cdata;
+
+ sckobj->OnRequest(event);
+}
+
void wxSocketBase::Notify(bool notify)
{
m_notify_state = notify;
- if (m_fd == INVALID_SOCKET)
+ if (!m_socket)
return;
- if (notify)
- m_internal->ResumeWaiter();
- else
- m_internal->StopWaiter();
+ GSocket_UnsetFallback(m_socket, GSOCK_INPUT_FLAG | GSOCK_OUTPUT_FLAG |
+ GSOCK_LOST_FLAG | GSOCK_CONNECTION_FLAG);
+ if (!notify)
+ return;
+
+ GSocket_SetFallback(m_socket, m_neededreq, wx_socket_fallback, (char *)this);
}
-void wxSocketBase::OnRequest(wxRequestEvent req_evt)
+void wxSocketBase::OnRequest(GSocketEvent req_evt)
{
wxSocketEvent event(m_id);
- wxRequestNotify notify = EventToNotify(req_evt);
+ GSocketEventFlags notify = EventToNotify(req_evt);
+
+ if (m_defering != NO_DEFER) {
+ DoDefer(req_evt);
+ return;
+ }
if ((m_neededreq & notify) == notify) {
event.m_socket = this;
event.m_skevt = req_evt;
ProcessEvent(event);
- // TODOTODO
- // OldOnNotify(req_evt);
-
- // We disable the event reporting.
- m_neededreq &= ~notify;
+ OldOnNotify(req_evt);
}
-}
-
-wxSocketEvent::wxSocketEvent(int id)
- : wxEvent(id)
-{
- wxEventType type = (wxEventType)wxEVT_SOCKET;
-
- SetEventType(type);
-}
-
-void wxSocketEvent::CopyObject(wxObject& obj_d) const
-{
- wxSocketEvent *event = (wxSocketEvent *)&obj_d;
-
- wxEvent::CopyObject(obj_d);
- event->m_skevt = m_skevt;
- event->m_socket = m_socket;
+ if (req_evt == GSOCK_LOST)
+ Close();
}
-void wxSocketBase::OldOnNotify(wxRequestEvent evt)
+void wxSocketBase::OldOnNotify(GSocketEvent evt)
{
}
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);
void wxSocketBase::CreatePushbackBefore(const char *buffer, size_t size)
{
- char *curr_pos, *new_buf;
-
- new_buf = (char *) malloc(m_unrd_size+size);
- curr_pos = new_buf + size;
+ if (m_unread == NULL)
+ m_unread = (char *)malloc(size);
+ else {
+ char *tmp;
- memcpy(new_buf, buffer, size);
- if (m_unrd_size != 0) {
- memcpy(curr_pos, m_unread, m_unrd_size);
+ tmp = (char *)malloc(m_unrd_size + size);
+ memcpy(tmp+size, m_unread, m_unrd_size);
free(m_unread);
+
+ m_unread = tmp;
}
- m_unread = new_buf;
+
m_unrd_size += size;
+
+ memcpy(m_unread, buffer, size);
}
size_t wxSocketBase::GetPushback(char *buffer, size_t size, bool peek)
if (!m_unrd_size)
return 0;
- if (size > m_unrd_size)
- size = m_unrd_size;
- memcpy(buffer, m_unread, size);
+ if (size > (m_unrd_size-m_unrd_cur))
+ size = m_unrd_size-m_unrd_cur;
+ memcpy(buffer, (m_unread+m_unrd_cur), size);
if (!peek) {
- m_unrd_size -= size;
- if (m_unrd_size == 0) {
+ m_unrd_cur += size;
+ if (m_unrd_size == m_unrd_cur) {
free(m_unread);
m_unread = NULL;
+ m_unrd_size = 0;
+ m_unrd_cur = 0;
}
}
return size;
}
-// --------------------------------------------------------------
-// --------- wxSocketBase buffer core requester -----------------
-// --------------------------------------------------------------
-
-void wxSocketBase::WantBuffer(char *buffer, size_t nbytes,
- wxRequestEvent evt)
-{
- bool buf_timed_out;
-
- if (m_fd == INVALID_SOCKET || !m_handler || !m_connected)
- return;
-
- SockRequest *buf = new SockRequest;
-
- SaveState();
- m_internal->StopWaiter();
- buf->buffer = buffer;
- buf->size = nbytes;
- buf->done = FALSE;
- buf->type = EventToNotify(evt);
- buf->io_nbytes = 0;
- buf->error = 0;
- buf->wait = TRUE;
- buf->timeout = 1000;
- buf_timed_out = FALSE;
-
- if (m_flags & SPEED)
- m_internal->QueueRequest(buf, FALSE);
- else
- if (m_flags & NOWAIT)
- m_internal->QueueRequest(buf, TRUE);
- else
- m_internal->QueueRequest(buf, TRUE);
- m_lcount += buf->io_nbytes;
- if (buf_timed_out)
- m_error = ETIMEDOUT;
- else
- m_error = buf->error;
-
- delete buf;
- RestoreState();
-}
-
// --------------------------------------------------------------
// wxSocketServer
// --------------------------------------------------------------
wxSockFlags flags) :
wxSocketBase(flags, SOCK_SERVER)
{
- m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0);
+ m_socket = GSocket_new();
- if (m_fd == INVALID_SOCKET)
+ if (!m_socket)
return;
- int flag = 1;
- setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (char*)&flag, sizeof(int));
-
- struct sockaddr *myaddr;
- size_t len;
-
- addr_man.Build(myaddr, len);
- if (bind(m_fd, myaddr, addr_man.SockAddrLen()) < 0)
- return;
-
- if (listen(m_fd, 5) < 0) {
- m_fd = INVALID_SOCKET;
+ GSocket_SetLocal(m_socket, addr_man.GetAddress());
+ if (GSocket_SetServer(m_socket) != GSOCK_NOERROR) {
+ GSocket_destroy(m_socket);
+ m_socket = NULL;
return;
}
bool wxSocketServer::AcceptWith(wxSocketBase& sock)
{
- int fd2;
-
- 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;
- linger.l_linger = 1;
+ GSocket *child_socket;
- setsockopt(fd2, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger));
-
- int flag = 0;
- setsockopt(fd2, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int));
+ child_socket = GSocket_WaitConnection(m_socket);
sock.m_type = SOCK_INTERNAL;
- sock.m_fd = fd2;
+ sock.m_socket = child_socket;
sock.m_connected = TRUE;
- sock.m_internal->ResumeWaiter();
-
return TRUE;
}
if (!AcceptWith(*sock))
return NULL;
- if (m_handler)
- m_handler->Register(sock);
-
return sock;
}
// --------------------------------------------------------------
bool wxSocketClient::Connect(wxSockAddress& addr_man, bool WXUNUSED(wait) )
{
- struct linger linger;
-
if (IsConnected())
Close();
+ // This should never happen.
+ if (m_socket)
+ GSocket_destroy(m_socket);
+
// Initializes all socket stuff ...
// --------------------------------
- m_fd = socket(addr_man.GetFamily(), SOCK_STREAM, 0);
+ m_socket = GSocket_new();
- if (m_fd < 0)
+ if (!m_socket)
return FALSE;
m_connected = FALSE;
- linger.l_onoff = 1;
- linger.l_linger = 5;
- setsockopt(m_fd, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger));
-
- // Stay in touch with the state of things...
-
- unsigned long flag = 1;
- setsockopt(m_fd, SOL_SOCKET, SO_KEEPALIVE, (char*)&flag, sizeof(int));
-
- // Disable the nagle algorithm, which delays sends till the
- // buffer is full (or a certain time period has passed?)...
-
-#if defined(__WINDOWS__) || (defined(IPPROTO_TCP) && defined(TCP_NODELAY))
- flag = 1;
- setsockopt(m_fd, IPPROTO_TCP, TCP_NODELAY, (char*)&flag, sizeof(int));
-#endif
-
- struct sockaddr *remote;
- size_t len;
-
- addr_man.Build(remote, len);
-
- if (connect(m_fd, remote, len) != 0)
+ // Update the flags of m_socket.
+ SetFlags(m_flags);
+ GSocket_SetPeer(m_socket, addr_man.GetAddress());
+ if (GSocket_Connect(m_socket, GSOCK_STREAMED) != GSOCK_NOERROR) {
return FALSE;
+ }
// Enables bg events.
// ------------------
bool wxSocketClient::WaitOnConnect(long seconds, long microseconds)
{
- int ret = _Wait(seconds, microseconds, REQ_CONNECT | REQ_LOST);
+ int ret = _Wait(seconds, microseconds, GSOCK_CONNECTION_FLAG | GSOCK_LOST_FLAG);
if (ret)
m_connected = TRUE;
return m_connected;
}
-void wxSocketClient::OnRequest(wxRequestEvent evt)
+void wxSocketClient::OnRequest(GSocketEvent evt)
{
- if (evt == EVT_CONNECT)
+ if (evt == GSOCK_CONNECTION)
{
- if (m_connected)
+ if (m_connected)
{
- m_neededreq &= ~REQ_CONNECT;
+ m_neededreq &= ~GSOCK_CONNECTION_FLAG;
return;
}
m_connected = TRUE;
wxSocketBase::OnRequest(evt);
}
-/////////////////////////////////////////////////////////////////
-// wxSocketHandler ///////////////////////////////////////////////
-/////////////////////////////////////////////////////////////////
-
-wxSocketHandler *wxSocketHandler::master = NULL;
-#if defined(__WINDOWS__)
-static int win_initialized = 0;
-#endif
-
-// --------------------------------------------------------------
-// --------- wxSocketHandler CONSTRUCTOR ------------------------
-// --------------------------------------------------------------
-wxSocketHandler::wxSocketHandler()
-{
-#if defined(__WINDOWS__)
- if (!win_initialized)
- {
- WSADATA wsaData;
-
- WSAStartup((1 << 8) | 1, &wsaData);
- win_initialized = 1;
- }
-#endif
-
- socks = new wxList;
-
-#ifndef __WINDOWS__
- signal(SIGPIPE, SIG_IGN);
-#endif
-}
-
-// --------------------------------------------------------------
-// --------- wxSocketHandler DESTRUCTOR -------------------------
-// --------------------------------------------------------------
-wxSocketHandler::~wxSocketHandler()
-{
- wxNode *next_node, *node = socks->First();
-
- while (node)
- {
- wxSocketBase* sock = (wxSocketBase*)node->Data();
-
- delete sock;
- next_node = node->Next();
- delete node;
- node = next_node;
- }
-
- delete socks;
-
-#ifdef __WINDOWS__
- WSACleanup();
- win_initialized = 0;
-#endif
-}
-
-// --------------------------------------------------------------
-// --------- wxSocketHandler registering functions --------------
-// --------------------------------------------------------------
-
-void wxSocketHandler::Register(wxSocketBase* sock)
-{
- wxNode *node;
-
- for (node = socks->First(); node != NULL; node = node->Next())
- {
- wxSocketBase* s = (wxSocketBase*)node->Data();
-
- if (s == sock)
- return;
- }
-
- if (sock)
- {
- socks->Append(sock);
- sock->SetHandler(this);
- }
-}
-
-void wxSocketHandler::UnRegister(wxSocketBase* sock)
-{
- wxNode *node;
-
- for (node = socks->First(); node; node = node->Next())
- {
- wxSocketBase* s = (wxSocketBase*)node->Data();
-
- if (s == sock)
- {
- delete node;
- sock->SetHandler(NULL);
- return;
- }
- }
-}
-
-unsigned long wxSocketHandler::Count() const
-{
- return socks->Number();
-}
-
// --------------------------------------------------------------
-// --------- wxSocketHandler "big" wait functions ---------------
+// wxSocketEvent
// --------------------------------------------------------------
-int wxSocketHandler::Wait(long seconds, long microseconds)
-{
- // TODO Needs the completely asynchronous notifier.
-
- /*
- int i;
- int on_wait;
- wxNode *node;
- for (node = socks->First(), i=0; node; node = node->Next(), i++)
- {
- wxSocketBase *sock = (wxSocketBase *)node->Data();
-
- sock->SaveState();
-
- sock->SetupCallbacks();
-
- sock->Callback(handler_cbk);
- sock->CallbackData((char *)&on_wait);
- }
- on_wait = 0;
- if (seconds != -1)
- s_wake.Start((seconds*1000) + (microseconds/1000), TRUE);
-
- while (!on_wait)
- PROCESS_EVENTS();
-
- for (node = socks->First(), i=0; node; node = node->Next(), i++)
- {
- wxSocketBase *sock = (wxSocketBase *)node->Data();
-
- sock->RestoreState();
- }
-
- if (on_wait == -2)
- return 0;
-
- return on_wait;
- */
- return 0;
-}
-
-void wxSocketHandler::YieldSock()
-{
- wxNode *node;
-
- // 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->m_internal->WaitForEnd(NULL);
- }
-}
-
-// --------------------------------------------------------------
-// --------- wxSocketHandler: create and register the socket ----
-// --------------------------------------------------------------
-wxSocketServer *wxSocketHandler::CreateServer(wxSockAddress& addr,
- wxSocketBase::wxSockFlags flags)
+wxSocketEvent::wxSocketEvent(int id)
+ : wxEvent(id)
{
- wxSocketServer *serv = new wxSocketServer(addr, flags);
+ wxEventType type = (wxEventType)wxEVT_SOCKET;
- Register(serv);
- return serv;
+ SetEventType(type);
}
-wxSocketClient *wxSocketHandler::CreateClient(wxSocketBase::wxSockFlags flags)
+void wxSocketEvent::CopyObject(wxObject& obj_d) const
{
- wxSocketClient *client = new wxSocketClient(flags);
-
- Register(client);
- return client;
-}
+ wxSocketEvent *event = (wxSocketEvent *)&obj_d;
-bool wxSocketModule::OnInit()
-{
- wxSocketHandler::master = new wxSocketHandler();
- return TRUE;
-}
+ wxEvent::CopyObject(obj_d);
-void wxSocketModule::OnExit()
-{
- delete wxSocketHandler::master;
- wxSocketHandler::master = NULL;
+ event->m_skevt = m_skevt;
+ event->m_socket = m_socket;
}
-#endif
- // __WXSTUBS__
-
#endif
// wxUSE_SOCKETS
projects / wxWidgets.git / blobdiff