fixed Cygwin compilation (there's no _get_osfhandle)

[wxWidgets.git] / include / wx / gsocket.h

diff --git a/include/wx/gsocket.h b/include/wx/gsocket.h
index 59739c14c59f8f26b376d4f239176db9732491bc..a527a8586a9a5f4fbcd36e02e4824cd62659cdd8 100644 (file)
--- a/include/wx/gsocket.h
+++ b/include/wx/gsocket.h
@@ -1,30 +1,47 @@
 /* -------------------------------------------------------------------------
  * Project: GSocket (Generic Socket)
  * Name:    gsocket.h
 /* -------------------------------------------------------------------------
  * Project: GSocket (Generic Socket)
  * Name:    gsocket.h

+ * Author:  Guilhem Lavaux
+ *          Guillermo Rodriguez Garcia <guille@iies.es> (maintainer)

  * Purpose: GSocket include file (system independent)
  * CVSID:   $Id$
  * -------------------------------------------------------------------------
  */
  * Purpose: GSocket include file (system independent)
  * CVSID:   $Id$
  * -------------------------------------------------------------------------
  */

+

 #ifndef __GSOCKET_H
 #define __GSOCKET_H
 
 #ifndef __GSOCKET_H
 #define __GSOCKET_H
 

-#include <sys/types.h>
+#ifndef __GSOCKET_STANDALONE__
+#include "wx/setup.h"
+#include "wx/platform.h"

 
 

-#if !defined(__cplusplus)
+#include "wx/dlimpexp.h" /* for WXDLLIMPEXP_NET */
+
+#endif

 
 

-typedef int bool;
+#if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)

 
 

+#include <stddef.h>
+
+/*
+   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
 
 #endif
 

-#ifndef TRUE
-#define TRUE 1
+#ifdef __WXWINCE__
+#include <stdlib.h>

 #endif
 
 #endif
 

-#ifndef FALSE
-#define FALSE 0
+class GSocket;
+
+#ifdef __cplusplus
+extern "C" {

 #endif
 
 #endif
 

-typedef struct _GSocket GSocket;

 typedef struct _GAddress GAddress;
 
 typedef enum {
 typedef struct _GAddress GAddress;
 
 typedef enum {


@@ -46,9 +63,15 @@ typedef enum {
   GSOCK_INVADDR,
   GSOCK_INVSOCK,
   GSOCK_NOHOST,
   GSOCK_INVADDR,
   GSOCK_INVSOCK,
   GSOCK_NOHOST,

-  GSOCK_INVPORT
+  GSOCK_INVPORT,
+  GSOCK_WOULDBLOCK,
+  GSOCK_TIMEDOUT,
+  GSOCK_MEMERR,
+  GSOCK_OPTERR

 } GSocketError;
 
 } GSocketError;
 

+/* See below for an explanation on how events work.
+ */

 typedef enum {
   GSOCK_INPUT  = 0,
   GSOCK_OUTPUT = 1,
 typedef enum {
   GSOCK_INPUT  = 0,
   GSOCK_OUTPUT = 1,


@@ -69,137 +92,62 @@ typedef int GSocketEventFlags;
 typedef void (*GSocketCallback)(GSocket *socket, GSocketEvent event,
                                 char *cdata);
 
 typedef void (*GSocketCallback)(GSocket *socket, GSocketEvent event,
                                 char *cdata);
 

-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Global initialisers */
-
-/* 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 IO calls to this socket but errors are still available */
-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() setups the socket as a server. It uses the "Local" field
-  of GSocket. "Local" must be set by GSocket_SetLocal() before
-  GSocket_SetServer() is called. In the other case, it returns GSOCK_INVADDR.
-*/
-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. In the other case, it returns GSOCK_INVADDR.
-*/
-GSocketError GSocket_Connect(GSocket *socket, GSocketStream stream);
-
-/* Generic IO */
+/* 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;
+};

 
 

-/* Like recv(), send(), ... */
-/*
-   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);
-bool GSocket_DataAvailable(GSocket *socket);

 
 

-/* Flags/Parameters */
+/* Global initializers */

 
 

-/*
-  GSocket_SetTimeout() sets the timeout for reading and writing IO call. Time
-  is expressed in milliseconds.
- */
-void GSocket_SetTimeout(GSocket *socket, unsigned long millisec);
+/* Sets GUI functions callbacks. Must be called *before* GSocket_Init
+   if the app uses async sockets. */
+void GSocket_SetGUIFunctions(GSocketGUIFunctionsTable *guifunc);

 
 

-/*
-  GSocket_SetBlocking() puts the socket in non-blocking mode. This is useful
-  if we don't want to wait.
-*/
-void GSocket_SetNonBlocking(GSocket *socket, bool non_block);
+/* GSocket_Init() must be called at the beginning */
+int GSocket_Init(void);

 
 

-/*
-  GSocket_GetError() returns the last error occured on the socket stream.
-*/
+/* GSocket_Cleanup() must be called at the end */
+void GSocket_Cleanup(void);

 
 

-GSocketError GSocket_GetError(GSocket *socket);

 
 

-/* Callbacks */
+/* Constructors / Destructors */

 
 

-/*
-   Only one fallback is possible for each event (INPUT, OUTPUT, CONNECTION, LOST)
-   INPUT: The function is called when there is at least a byte in the
-          input buffer
-   OUTPUT: The function is called when the system is sure the next write call
-           will not block
-   CONNECTION: Two cases is possible:
-             Client socket -> the connection is established
-             Server socket -> a client request a connection
-   LOST: the connection is lost
-
-   SetCallback accepts a combination of these flags so a same callback can
-   receive different events.
-
-   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()
-*/
-void GSocket_SetCallback(GSocket *socket, GSocketEventFlags event,
-                         GSocketCallback fallback, char *cdata);
+GSocket *GSocket_new(void);

 
 

-/*
-  UnsetCallback will disables all fallbacks specified by "event".
-  NOTE: event may be a combination of flags
-*/
-void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags event);

 
 /* GAddress */
 
 
 /* GAddress */
 

-GAddress *GAddress_new();
+GAddress *GAddress_new(void);

 GAddress *GAddress_copy(GAddress *address);
 void GAddress_destroy(GAddress *address);
 
 void GAddress_SetFamily(GAddress *address, GAddressType type);
 GAddressType GAddress_GetFamily(GAddress *address);
 
 GAddress *GAddress_copy(GAddress *address);
 void GAddress_destroy(GAddress *address);
 
 void GAddress_SetFamily(GAddress *address, GAddressType type);
 GAddressType GAddress_GetFamily(GAddress *address);
 

-/*
-   The use of any of the next functions will set the address family to the adapted
-   one. For example if you use GAddress_INET_SetHostName, address family will be AF_INET
-   implicitely
-*/
+/* The use of any of the next functions will set the address family to
+ * the specific one. For example if you use GAddress_INET_SetHostName,
+ * address family will be implicitly set to AF_INET.
+ */

 
 GSocketError GAddress_INET_SetHostName(GAddress *address, const char *hostname);
 
 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_INET_SetHostAddress(GAddress *address,
                                           unsigned long hostaddr);
 GSocketError GAddress_INET_SetPortName(GAddress *address, const char *port,


@@ -216,19 +164,18 @@ unsigned short GAddress_INET_GetPort(GAddress *address);
 GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path);
 GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf);
 
 GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path);
 GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf);
 

-/*
- * System specific functions
- */
-
-/* On systems needing an event id */
-void GSocket_SetEventID(GSocket *socket, unsigned long evt_id);
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */

 
 

-/* On systems which don't have background refresh */
-void GSocket_DoEvent(unsigned long evt_id);
+# 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

 
 

-#ifdef __cplusplus
-};
-#endif
+#endif    /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */

 
 

-#endif
- /* __GSOCKET_H */
+#endif    /* __GSOCKET_H */