/* -------------------------------------------------------------------------
- * Project: GSocket (Generic Socket)
- * Name: gsocket.h
- * Author: Guilhem Lavaux
- * Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)
- * Purpose: GSocket include file (system independent)
- * CVSID: $Id$
+ * Project: GSocket (Generic Socket)
+ * Name: gsocket.h
+ * Author: Guilhem Lavaux
+ * Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)
+ * Copyright: (c) Guilhem Lavaux
+ * Licence: wxWindows Licence
+ * Purpose: GSocket include file (system independent)
+ * CVSID: $Id$
* -------------------------------------------------------------------------
*/
#define __GSOCKET_H
#ifndef __GSOCKET_STANDALONE__
-#include "wx/setup.h"
+#include "wx/defs.h"
+
+#include "wx/dlimpexp.h" /* for WXDLLIMPEXP_NET */
+
#endif
#if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)
#include <stddef.h>
-#ifndef __WXMAC__
+
+/*
+ Including sys/types.h under cygwin results in the warnings about "fd_set
+ having been defined in sys/types.h" when winsock.h is included later and
+ doesn't seem to be necessary anyhow. It's not needed under Mac neither.
+ */
+#if !defined(__WXMAC__) && !defined(__CYGWIN__) && !defined(__WXWINCE__)
#include <sys/types.h>
#endif
+#ifdef __WXWINCE__
+#include <stdlib.h>
+#endif
+
+class GSocket;
+
#ifdef __cplusplus
extern "C" {
#endif
-typedef struct _GSocket GSocket;
typedef struct _GAddress GAddress;
typedef enum {
GSOCK_INVPORT,
GSOCK_WOULDBLOCK,
GSOCK_TIMEDOUT,
- GSOCK_MEMERR
+ GSOCK_MEMERR,
+ GSOCK_OPTERR
} GSocketError;
/* See below for an explanation on how events work.
char *cdata);
+/* Functions tables for internal use by GSocket code: */
+
+/* Actually this is a misnomer now, but reusing this name means I don't
+ have to ifdef app traits or common socket code */
+class GSocketGUIFunctionsTable
+{
+public:
+ // needed since this class declares virtual members
+ virtual ~GSocketGUIFunctionsTable() { }
+ virtual bool OnInit() = 0;
+ virtual void OnExit() = 0;
+ virtual bool CanUseEventLoop() = 0;
+ virtual bool Init_Socket(GSocket *socket) = 0;
+ virtual void Destroy_Socket(GSocket *socket) = 0;
+#ifndef __WINDOWS__
+ virtual void Install_Callback(GSocket *socket, GSocketEvent event) = 0;
+ virtual void Uninstall_Callback(GSocket *socket, GSocketEvent event) = 0;
+#endif
+ virtual void Enable_Events(GSocket *socket) = 0;
+ virtual void Disable_Events(GSocket *socket) = 0;
+};
+
+
/* Global initializers */
+/* Sets GUI functions callbacks. Must be called *before* GSocket_Init
+ if the app uses async sockets. */
+void GSocket_SetGUIFunctions(GSocketGUIFunctionsTable *guifunc);
+
/* GSocket_Init() must be called at the beginning */
int GSocket_Init(void);
/* Constructors / Destructors */
GSocket *GSocket_new(void);
-void GSocket_destroy(GSocket *socket);
-
-
-
-/* GSocket_Shutdown:
- * Disallow further read/write operations on this socket, close
- * the fd and disable all callbacks.
- */
-void GSocket_Shutdown(GSocket *socket);
-
-/* Address handling */
-
-/* GSocket_SetLocal:
- * GSocket_GetLocal:
- * GSocket_SetPeer:
- * GSocket_GetPeer:
- * Set or get the local or peer address for this socket. The 'set'
- * functions return GSOCK_NOERROR on success, an error code otherwise.
- * The 'get' functions return a pointer to a GAddress object on success,
- * or NULL otherwise, in which case they set the error code of the
- * corresponding GSocket.
- *
- * Error codes:
- * GSOCK_INVSOCK - the socket is not valid.
- * GSOCK_INVADDR - the address is not valid.
- */
-GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address);
-GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address);
-GAddress *GSocket_GetLocal(GSocket *socket);
-GAddress *GSocket_GetPeer(GSocket *socket);
-
-/* Server specific parts */
-
-/* GSocket_SetServer:
- * Sets up this socket as a server. The local address must have been
- * set with GSocket_SetLocal() before GSocket_SetServer() is called.
- * Returns GSOCK_NOERROR on success, one of the following otherwise:
- *
- * Error codes:
- * GSOCK_INVSOCK - the socket is in use.
- * GSOCK_INVADDR - the local address has not been set.
- * GSOCK_IOERR - low-level error.
- */
-GSocketError GSocket_SetServer(GSocket *socket);
-
-/* GSocket_WaitConnection:
- * Waits for an incoming client connection. Returns a pointer to
- * a GSocket object, or NULL if there was an error, in which case
- * the last error field will be updated for the calling GSocket.
- *
- * Error codes (set in the calling GSocket)
- * GSOCK_INVSOCK - the socket is not valid or not a server.
- * GSOCK_TIMEDOUT - timeout, no incoming connections.
- * GSOCK_WOULDBLOCK - the call would block and the socket is nonblocking.
- * GSOCK_MEMERR - couldn't allocate memory.
- * GSOCK_IOERR - low-level error.
- */
-GSocket *GSocket_WaitConnection(GSocket *socket);
-
-
-/* Client specific parts */
-
-/* GSocket_Connect:
- * For stream (connection oriented) sockets, GSocket_Connect() tries
- * to establish a client connection to a server using the peer address
- * as established with GSocket_SetPeer(). Returns GSOCK_NOERROR if the
- * connection has been succesfully established, or one of the error
- * codes listed below. Note that for nonblocking sockets, a return
- * value of GSOCK_WOULDBLOCK doesn't mean a failure. The connection
- * request can be completed later; you should use GSocket_Select()
- * to poll for GSOCK_CONNECTION | GSOCK_LOST, or wait for the
- * corresponding asynchronous events.
- *
- * For datagram (non connection oriented) sockets, GSocket_Connect()
- * just sets the peer address established with GSocket_SetPeer() as
- * default destination.
- *
- * Error codes:
- * GSOCK_INVSOCK - the socket is in use or not valid.
- * GSOCK_INVADDR - the peer address has not been established.
- * GSOCK_TIMEDOUT - timeout, the connection failed.
- * GSOCK_WOULDBLOCK - connection in progress (nonblocking sockets only)
- * GSOCK_MEMERR - couldn't allocate memory.
- * GSOCK_IOERR - low-level error.
- */
-GSocketError GSocket_Connect(GSocket *socket, GSocketStream stream);
-
-
-/* Datagram sockets */
-
-/* GSocket_SetNonOriented:
- * Sets up this socket as a non-connection oriented (datagram) socket.
- * Before using this function, the local address must have been set
- * with GSocket_SetLocal(), or the call will fail. Returns GSOCK_NOERROR
- * on success, or one of the following otherwise.
- *
- * Error codes:
- * GSOCK_INVSOCK - the socket is in use.
- * GSOCK_INVADDR - the local address has not been set.
- * GSOCK_IOERR - low-level error.
- */
-GSocketError GSocket_SetNonOriented(GSocket *socket);
-
-
-/* Generic IO */
-
-/* Like recv(), send(), ... */
-
-/* For datagram sockets, the incoming / outgoing addresses
- * are stored as / read from the 'peer' address field.
- */
-int GSocket_Read(GSocket *socket, char *buffer, int size);
-int GSocket_Write(GSocket *socket, const char *buffer,
- int size);
-
-/* GSocket_Select:
- * Polls the socket to determine its status. This function will
- * check for the events specified in the 'flags' parameter, and
- * it will return a mask indicating which operations can be
- * performed. This function won't block, regardless of the
- * mode (blocking | nonblocking) of the socket.
- */
-GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags);
-
-
-/* Attributes */
-
-/* GSocket_SetNonBlocking:
- * Sets the socket to non-blocking mode. All IO calls will return
- * immediately.
- */
-void GSocket_SetNonBlocking(GSocket *socket, int non_block);
-
-/* GSocket_SetTimeout:
- * Sets the timeout for blocking calls. Time is expressed in
- * milliseconds.
- */
-void GSocket_SetTimeout(GSocket *socket, unsigned long millisec);
-
-/* GSocket_GetError:
- * Returns the last error occured for this socket. Note that successful
- * operations do not clear this back to GSOCK_NOERROR, so use it only
- * after an error.
- */
-GSocketError GSocket_GetError(GSocket *socket);
-
-
-/* Callbacks */
-
-/* GSOCK_INPUT:
- * There is data to be read in the input buffer. If, after a read
- * operation, there is still data available, the callback function will
- * be called again.
- * GSOCK_OUTPUT:
- * The socket is available for writing. That is, the next write call
- * won't block. This event is generated only once, when the connection is
- * first established, and then only if a call failed with GSOCK_WOULDBLOCK,
- * when the output buffer empties again. This means that the app should
- * assume that it can write since the first OUTPUT event, and no more
- * OUTPUT events will be generated unless an error occurs.
- * GSOCK_CONNECTION:
- * Connection succesfully established, for client sockets, or incoming
- * client connection, for server sockets. Wait for this event (also watch
- * out for GSOCK_LOST) after you issue a nonblocking GSocket_Connect() call.
- * GSOCK_LOST:
- * The connection is lost (or a connection request failed); this could
- * be due to a failure, or due to the peer closing it gracefully.
- */
-
-/* GSocket_SetCallback:
- * Enables the callbacks specified by 'flags'. Note that 'flags'
- * may be a combination of flags OR'ed toghether, so the same
- * callback function can be made to accept different events.
- * The callback function must have the following prototype:
- *
- * void function(GSocket *socket, GSocketEvent event, char *cdata)
- */
-void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
- GSocketCallback fallback, char *cdata);
-
-/* GSocket_UnsetCallback:
- * Disables all callbacks specified by 'flags', which may be a
- * combination of flags OR'ed toghether.
- */
-void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags);
/* GAddress */
GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf);
#ifdef __cplusplus
-};
+}
#endif /* __cplusplus */
+# if defined(__WINDOWS__)
+# include "wx/msw/gsockmsw.h"
+# elif defined(__WXMAC__) && !defined(__DARWIN__)
+# include "wx/mac/gsockmac.h"
+# else
+# include "wx/unix/gsockunx.h"
+# endif
#endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */
projects / wxWidgets.git / blobdiff