* -------------------------------------------------------------------------
*/
-#ifndef __GSOCK_UNX_H
-#define __GSOCK_UNX_H
-
-#ifndef __GSOCKET_STANDALONE__
-#include "wx/setup.h"
-#endif
+#ifndef _WX_UNIX_GSOCKUNX_H_
+#define _WX_UNIX_GSOCKUNX_H_
class wxGSocketIOHandler;
-#if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)
-
-#ifndef __GSOCKET_STANDALONE__
-#include "wx/gsocket.h"
-#else
-#include "gsocket.h"
-#endif
-
-class GSocketGUIFunctionsTableConcrete : public GSocketGUIFunctionsTable
-{
-public:
- virtual bool OnInit();
- virtual void OnExit();
- virtual bool CanUseEventLoop();
- virtual bool Init_Socket(GSocket *socket);
- virtual void Destroy_Socket(GSocket *socket);
- virtual void Install_Callback(GSocket *socket, GSocketEvent event);
- virtual void Uninstall_Callback(GSocket *socket, GSocketEvent event);
- virtual void Enable_Events(GSocket *socket);
- virtual void Disable_Events(GSocket *socket);
-};
-
class GSocket
{
public:
GSocketError GetSockOpt(int level, int optname, void *optval, int *optlen);
GSocketError SetSockOpt(int level, int optname,
const void *optval, int optlen);
+ //attach or detach from main loop
+ void Notify(bool flag);
virtual void Detected_Read();
virtual void Detected_Write();
void SetInitialSocketBuffers(int recv, int send)
}
protected:
+ //enable or disable event callback using gsocket gui callback table
+ void EnableEvents(bool flag = true);
+ void DisableEvents() { EnableEvents(false); }
void Enable(GSocketEvent event);
void Disable(GSocketEvent event);
GSocketError Input_Timeout();
bool m_dobind;
unsigned long m_timeout;
+ // true if socket should fire events
+ bool m_use_events;
+
/* Callbacks */
GSocketEventFlags m_detected;
GSocketCallback m_cbacks[GSOCK_MAX_EVENT];
char *m_data[GSOCK_MAX_EVENT];
- char *m_gui_dependent;
-
+ // pointer for storing extra (usually GUI-specific) data
+ void *m_gui_dependent;
};
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
/* Definition of GAddress */
struct _GAddress
{
GSocketError m_error;
};
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
/* GAddress */
GSocketError _GAddress_Init_INET(GAddress *address);
GSocketError _GAddress_Init_UNIX(GAddress *address);
+// A version of GSocketManager which uses FDs for socket IO
+//
+// This class uses GSocket::m_gui_dependent field to store the 2 (for input and
+// output) FDs associated with the socket.
+class GSocketFDBasedManager : public GSocketManager
+{
+public:
+ // no special initialization/cleanup needed when using FDs
+ virtual bool OnInit() { return true; }
+ virtual void OnExit() { }
+
+ // allocate/free the storage we need
+ virtual bool Init_Socket(GSocket *socket)
+ {
+ socket->m_gui_dependent = malloc(sizeof(int)*2);
+ int * const fds = wx_static_cast(int *, socket->m_gui_dependent);
+
+ fds[0] = -1;
+ fds[1] = -1;
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+ return true;
+ }
+ virtual void Destroy_Socket(GSocket *socket)
+ {
+ free(socket->m_gui_dependent);
+ }
-#endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */
+ virtual void Enable_Events(GSocket *socket)
+ {
+ Install_Callback(socket, GSOCK_INPUT);
+ Install_Callback(socket, GSOCK_OUTPUT);
+ }
+ virtual void Disable_Events(GSocket *socket)
+ {
+ Uninstall_Callback(socket, GSOCK_INPUT);
+ Uninstall_Callback(socket, GSOCK_OUTPUT);
+ }
+
+protected:
+ // identifies either input or output direction
+ //
+ // NB: the values of this enum shouldn't change
+ enum SocketDir
+ {
+ FD_INPUT,
+ FD_OUTPUT
+ };
+
+ // get the FD index corresponding to the given GSocketEvent
+ SocketDir GetDirForEvent(GSocket *socket, GSocketEvent event)
+ {
+ switch ( event )
+ {
+ default:
+ wxFAIL_MSG( "unexpected socket event" );
+ // fall through
+
+ case GSOCK_LOST:
+ // fall through
+
+ case GSOCK_INPUT:
+ return FD_INPUT;
+
+ case GSOCK_OUTPUT:
+ return FD_OUTPUT;
+
+ case GSOCK_CONNECTION:
+ // FIXME: explain this?
+ return socket->m_server ? FD_INPUT : FD_OUTPUT;
+ }
+ }
+
+ // access the FDs we store
+ int& FD(GSocket *socket, SocketDir d)
+ {
+ return wx_static_cast(int *, socket->m_gui_dependent)[d];
+ }
+};
+
+// Common base class for all ports using X11-like (and hence implemented in
+// X11, Motif and GTK) AddInput() and RemoveInput() functions
+class GSocketInputBasedManager : public GSocketFDBasedManager
+{
+public:
+ virtual void Install_Callback(GSocket *socket, GSocketEvent event)
+ {
+ wxCHECK_RET( socket->m_fd != -1,
+ "shouldn't be called on invalid socket" );
+
+ const SocketDir d = GetDirForEvent(socket, event);
+
+ int& fd = FD(socket, d);
+ if ( fd != -1 )
+ RemoveInput(fd);
+
+ fd = AddInput(socket, d);
+ }
+
+ virtual void Uninstall_Callback(GSocket *socket, GSocketEvent event)
+ {
+ const SocketDir d = GetDirForEvent(socket, event);
+
+ int& fd = FD(socket, d);
+ if ( fd != -1 )
+ {
+ RemoveInput(fd);
+ fd = -1;
+ }
+ }
+
+private:
+ // these functions map directly to XtAdd/RemoveInput() or
+ // gdk_input_add/remove()
+ virtual int AddInput(GSocket *socket, SocketDir d) = 0;
+ virtual void RemoveInput(int fd) = 0;
+};
-#endif /* __GSOCK_UNX_H */
+#endif /* _WX_UNIX_GSOCKUNX_H_ */
projects / wxWidgets.git / blobdiff