/* -------------------------------------------------------------------------
* Project: GSocket (Generic Socket)
* Name: gsocket.h
+ * Author: Guilhem Lavaux
+ * Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)
* Purpose: GSocket include file (system independent)
* CVSID: $Id$
* -------------------------------------------------------------------------
*/
+
#ifndef __GSOCKET_H
#define __GSOCKET_H
#ifndef __GSOCKET_STANDALONE__
#include "wx/setup.h"
+#include "wx/platform.h"
+
+#include "wx/dlimpexp.h" /* for WXDLLIMPEXP_NET */
+
#endif
#if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)
#include <stddef.h>
-#include <sys/types.h>
-
-#if !defined(__cplusplus)
-typedef unsigned int bool;
-#endif
-#ifndef TRUE
-#define TRUE 1
+/*
+ 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
-#ifndef FALSE
-#define FALSE 0
+#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.
+ */
typedef enum {
GSOCK_INPUT = 0,
GSOCK_OUTPUT = 1,
char *cdata);
-/* Global initializers */
-
-/* GSocket_Init() must be called at the beginning */
-bool GSocket_Init();
-/* GSocket_Cleanup() must be called at the ending */
-void GSocket_Cleanup();
-
-/* Constructors / Destructors */
-
-GSocket *GSocket_new();
-void GSocket_destroy(GSocket *socket);
-
-/* This will disable all further IO calls to this socket */
-void GSocket_Shutdown(GSocket *socket);
-
-/* Address handling */
-
-GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address);
-GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address);
-GAddress *GSocket_GetLocal(GSocket *socket);
-GAddress *GSocket_GetPeer(GSocket *socket);
-
-/* Non-oriented connections handlers */
-
-GSocketError GSocket_SetNonOriented(GSocket *socket);
-
-/* Server specific parts */
-
-/* GSocket_SetServer:
- * Sets up the socket as a server. It uses the "Local" field of GSocket.
- * "Local" must be set by GSocket_SetLocal() before GSocket_SetServer()
- * is called. Possible error codes are: GSOCK_INVSOCK if socket has not
- * been initialized, GSOCK_INVADDR if the local address has not been
- * defined and GSOCK_IOERR for other internal errors.
- */
-GSocketError GSocket_SetServer(GSocket *socket);
-
-/* GSocket_WaitConnection:
- * Waits for an incoming client connection.
- */
-GSocket *GSocket_WaitConnection(GSocket *socket);
-
-/* Client specific parts */
-
-/* GSocket_Connect:
- * Establishes a client connection to a server using the "Peer"
- * field of GSocket. "Peer" must be set by GSocket_SetPeer() before
- * GSocket_Connect() is called. Possible error codes are GSOCK_INVSOCK,
- * GSOCK_INVADDR, GSOCK_TIMEDOUT, GSOCK_WOULDBLOCK and GSOCK_IOERR.
- * If a socket is nonblocking and Connect() returns GSOCK_WOULDBLOCK,
- * the connection request can be completed later. Use GSocket_Select()
- * to check it, or wait for a GSOCK_CONNECTION event.
- */
-GSocketError GSocket_Connect(GSocket *socket, GSocketStream stream);
+/* 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:
+ 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;
+};
-/* Generic IO */
-/* Like recv(), send(), ... */
+/* Global initializers */
-/* NOTE: In case we read from a non-oriented connection, the incoming
- * (outgoing) connection address is stored in the "Local" ("Peer")
- * 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);
+/* Sets GUI functions callbacks. Must be called *before* GSocket_Init
+ if the app uses async sockets. */
+void GSocket_SetGUIFunctions(GSocketGUIFunctionsTable *guifunc);
-/* Flags/Parameters */
+/* GSocket_Init() must be called at the beginning */
+int GSocket_Init(void);
-/* GSocket_SetTimeout:
- * Sets the timeout for blocking calls. Time is
- * expressed in milliseconds.
- */
-void GSocket_SetTimeout(GSocket *socket, unsigned long millisec);
+/* GSocket_Cleanup() must be called at the end */
+void GSocket_Cleanup(void);
-/* GSocket_SetNonBlocking:
- * Sets the socket to non-blocking mode. This is useful if
- * we don't want to wait.
- */
-void GSocket_SetNonBlocking(GSocket *socket, bool non_block);
-/* GSocket_GetError:
- * Returns the last error occured for this socket.
- */
-GSocketError GSocket_GetError(GSocket *socket);
-
-/* Callbacks */
-
-/* Only one callback is possible for each event (INPUT, OUTPUT, CONNECTION
- * and LOST). The callbacks are called in the following situations:
- *
- * INPUT: There is at least one byte in the input buffer
- * OUTPUT: The system is sure that the next write call will not block
- * CONNECTION: Two cases are possible:
- * Client socket -> the connection is established
- * Server socket -> a client requests a connection
- * LOST: The connection is lost
- *
- * An event is generated only once and its state is reseted when the
- * relative IO call is requested.
- * For example: INPUT -> GSocket_Read()
- * CONNECTION -> GSocket_Accept()
- */
+/* Constructors / Destructors */
-/* 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 *GSocket_new(void);
-/* 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 */
-GAddress *GAddress_new();
+GAddress *GAddress_new(void);
GAddress *GAddress_copy(GAddress *address);
void GAddress_destroy(GAddress *address);
*/
GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname);
+GSocketError GAddress_INET_SetAnyAddress(GAddress *address);
GSocketError GAddress_INET_SetHostAddress(GAddress *address,
unsigned long hostaddr);
GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,
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