/* -------------------------------------------------------------------------
- * Project: GSocket (Generic Socket)
- * Name: gsocket.c
- * Author: Guillermo Rodriguez Garcia <guille@iies.es>
- * Purpose: GSocket main MSW file
- * Licence: The wxWindows licence
- * CVSID: $Id$
+ * Project: GSocket (Generic Socket)
+ * Name: src/msw/gsocket.cpp
+ * Copyright: (c) Guilhem Lavaux
+ * Licence: wxWindows Licence
+ * Author: Guillermo Rodriguez Garcia <guille@iies.es>
+ * Purpose: GSocket main MSW file
+ * Licence: The wxWindows licence
+ * CVSID: $Id$
* -------------------------------------------------------------------------
*/
-/*
- * PLEASE don't put C++ comments here - this is a C source file.
- */
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
#ifdef _MSC_VER
/* RPCNOTIFICATION_ROUTINE in rasasync.h (included from winsock.h),
#endif /* _MSC_VER */
+#if defined(__CYGWIN__)
+ //CYGWIN gives annoying warning about runtime stuff if we don't do this
+# define USE_SYS_TYPES_FD_SET
+# include <sys/types.h>
+#endif
+
#include <winsock.h>
#ifndef __GSOCKET_STANDALONE__
# include "wx/platform.h"
-# include "wx/setup.h"
#endif
#if wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__)
#include <stddef.h>
#include <ctype.h>
-/* if we use configure for MSW SOCKLEN_T will be already defined */
-#ifndef SOCKLEN_T
-# define SOCKLEN_T int
+/* if we use configure for MSW WX_SOCKLEN_T will be already defined */
+#ifndef WX_SOCKLEN_T
+# define WX_SOCKLEN_T int
#endif
/* Table of GUI-related functions. We must call them indirectly because
* of wxBase and GUI separation: */
-static struct GSocketGUIFunctionsTable *gs_gui_functions;
-
-#define USE_GUI() (gs_gui_functions != NULL)
-
-/* Define macros to simplify indirection: */
-#define _GSocket_GUI_Init() \
- if (gs_gui_functions) gs_gui_functions->GUI_Init()
-#define _GSocket_GUI_Cleanup() \
- if (gs_gui_functions) gs_gui_functions->GUI_Cleanup()
-#define _GSocket_GUI_Init_Socket(socket) \
- (gs_gui_functions ? gs_gui_functions->GUI_Init_Socket(socket) : 1)
-#define _GSocket_GUI_Destroy_Socket(socket) \
- if (gs_gui_functions) gs_gui_functions->GUI_Destroy_Socket(socket)
-#define _GSocket_Enable_Events(socket) \
- if (gs_gui_functions) gs_gui_functions->Enable_Events(socket)
-#define _GSocket_Disable_Events(socket) \
- if (gs_gui_functions) gs_gui_functions->Disable_Events(socket)
-#define _GSocket_Install_Callback(socket, event) \
- if (gs_gui_functions) gs_gui_functions->Install_Callback(socket, event)
-#define _GSocket_Uninstall_Callback(socket, event) \
- if (gs_gui_functions) gs_gui_functions->Uninstall_Callback(socket, event)
+static GSocketGUIFunctionsTable *gs_gui_functions;
+class GSocketGUIFunctionsTableNull: 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 Enable_Events(GSocket *socket);
+ virtual void Disable_Events(GSocket *socket);
+};
+
+bool GSocketGUIFunctionsTableNull::OnInit()
+{ return true; }
+void GSocketGUIFunctionsTableNull::OnExit()
+{}
+bool GSocketGUIFunctionsTableNull::CanUseEventLoop()
+{ return false; }
+bool GSocketGUIFunctionsTableNull::Init_Socket(GSocket *WXUNUSED(socket))
+{ return true; }
+void GSocketGUIFunctionsTableNull::Destroy_Socket(GSocket *WXUNUSED(socket))
+{}
+void GSocketGUIFunctionsTableNull::Enable_Events(GSocket *WXUNUSED(socket))
+{}
+void GSocketGUIFunctionsTableNull::Disable_Events(GSocket *WXUNUSED(socket))
+{}
/* Global initialisers */
-void GSocket_SetGUIFunctions(struct GSocketGUIFunctionsTable *guifunc)
+void GSocket_SetGUIFunctions(GSocketGUIFunctionsTable *guifunc)
{
gs_gui_functions = guifunc;
}
{
WSADATA wsaData;
- if (gs_gui_functions)
+ if (!gs_gui_functions)
{
- if ( !gs_gui_functions->GUI_Init() )
- return 0;
+ static GSocketGUIFunctionsTableNull table;
+ gs_gui_functions = &table;
+ }
+ if ( !gs_gui_functions->OnInit() )
+ {
+ return 0;
}
/* Initialize WinSocket */
{
if (gs_gui_functions)
{
- gs_gui_functions->GUI_Cleanup();
+ gs_gui_functions->OnExit();
}
/* Cleanup WinSocket */
/* Constructors / Destructors for GSocket */
-GSocket *GSocket_new(void)
+GSocket::GSocket()
{
- int i, success;
- GSocket *socket;
+ int i;
- if ((socket = (GSocket *) malloc(sizeof(GSocket))) == NULL)
- return NULL;
-
- socket->m_fd = INVALID_SOCKET;
+ m_fd = INVALID_SOCKET;
for (i = 0; i < GSOCK_MAX_EVENT; i++)
{
- socket->m_cbacks[i] = NULL;
+ m_cbacks[i] = NULL;
}
- socket->m_detected = 0;
- socket->m_local = NULL;
- socket->m_peer = NULL;
- socket->m_error = GSOCK_NOERROR;
- socket->m_server = FALSE;
- socket->m_stream = TRUE;
- socket->m_non_blocking = FALSE;
- socket->m_timeout.tv_sec = 10 * 60; /* 10 minutes */
- socket->m_timeout.tv_usec = 0;
- socket->m_establishing = FALSE;
- socket->m_reusable = FALSE;
-
+ m_detected = 0;
+ m_local = NULL;
+ m_peer = NULL;
+ m_error = GSOCK_NOERROR;
+ m_server = false;
+ m_stream = true;
+ m_non_blocking = false;
+ m_timeout.tv_sec = 10 * 60; /* 10 minutes */
+ m_timeout.tv_usec = 0;
+ m_establishing = false;
+ m_reusable = false;
+ m_broadcast = false;
+ m_dobind = true;
+
+ assert(gs_gui_functions);
/* Per-socket GUI-specific initialization */
- success = _GSocket_GUI_Init_Socket(socket);
- if (!success)
- {
- free(socket);
- socket = NULL;
- }
-
- return socket;
+ m_ok = gs_gui_functions->Init_Socket(this);
}
-void GSocket_close(GSocket *socket)
+void GSocket::Close()
{
- _GSocket_Disable_Events(socket);
- closesocket(socket->m_fd);
- socket->m_fd = INVALID_SOCKET;
+ gs_gui_functions->Disable_Events(this);
+ closesocket(m_fd);
+ m_fd = INVALID_SOCKET;
}
-void GSocket_destroy(GSocket *socket)
+GSocket::~GSocket()
{
- assert(socket != NULL);
+ assert(this);
/* Per-socket GUI-specific cleanup */
- _GSocket_GUI_Destroy_Socket(socket);
+ gs_gui_functions->Destroy_Socket(this);
/* Check that the socket is really shutdowned */
- if (socket->m_fd != INVALID_SOCKET)
- GSocket_Shutdown(socket);
+ if (m_fd != INVALID_SOCKET)
+ Shutdown();
/* Destroy private addresses */
- if (socket->m_local)
- GAddress_destroy(socket->m_local);
+ if (m_local)
+ GAddress_destroy(m_local);
- if (socket->m_peer)
- GAddress_destroy(socket->m_peer);
-
- /* Destroy the socket itself */
- free(socket);
+ if (m_peer)
+ GAddress_destroy(m_peer);
}
/* GSocket_Shutdown:
* Disallow further read/write operations on this socket, close
* the fd and disable all callbacks.
*/
-void GSocket_Shutdown(GSocket *socket)
+void GSocket::Shutdown()
{
int evt;
- assert(socket != NULL);
+ assert(this);
/* If socket has been created, shutdown it */
- if (socket->m_fd != INVALID_SOCKET)
+ if (m_fd != INVALID_SOCKET)
{
- shutdown(socket->m_fd, 2);
- GSocket_close(socket);
+ shutdown(m_fd, 1 /* SD_SEND */);
+ Close();
}
/* Disable GUI callbacks */
for (evt = 0; evt < GSOCK_MAX_EVENT; evt++)
- socket->m_cbacks[evt] = NULL;
+ m_cbacks[evt] = NULL;
- socket->m_detected = GSOCK_LOST_FLAG;
+ m_detected = GSOCK_LOST_FLAG;
}
/* Address handling */
* GSOCK_INVSOCK - the socket is not valid.
* GSOCK_INVADDR - the address is not valid.
*/
-GSocketError GSocket_SetLocal(GSocket *socket, GAddress *address)
+GSocketError GSocket::SetLocal(GAddress *address)
{
- assert(socket != NULL);
+ assert(this);
/* the socket must be initialized, or it must be a server */
- if (socket->m_fd != INVALID_SOCKET && !socket->m_server)
+ if (m_fd != INVALID_SOCKET && !m_server)
{
- socket->m_error = GSOCK_INVSOCK;
+ m_error = GSOCK_INVSOCK;
return GSOCK_INVSOCK;
}
/* check address */
if (address == NULL || address->m_family == GSOCK_NOFAMILY)
{
- socket->m_error = GSOCK_INVADDR;
+ m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
- if (socket->m_local)
- GAddress_destroy(socket->m_local);
+ if (m_local)
+ GAddress_destroy(m_local);
- socket->m_local = GAddress_copy(address);
+ m_local = GAddress_copy(address);
return GSOCK_NOERROR;
}
-GSocketError GSocket_SetPeer(GSocket *socket, GAddress *address)
+GSocketError GSocket::SetPeer(GAddress *address)
{
- assert(socket != NULL);
+ assert(this);
/* check address */
if (address == NULL || address->m_family == GSOCK_NOFAMILY)
{
- socket->m_error = GSOCK_INVADDR;
+ m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
- if (socket->m_peer)
- GAddress_destroy(socket->m_peer);
+ if (m_peer)
+ GAddress_destroy(m_peer);
- socket->m_peer = GAddress_copy(address);
+ m_peer = GAddress_copy(address);
return GSOCK_NOERROR;
}
-GAddress *GSocket_GetLocal(GSocket *socket)
+GAddress *GSocket::GetLocal()
{
GAddress *address;
struct sockaddr addr;
- SOCKLEN_T size = sizeof(addr);
+ WX_SOCKLEN_T size = sizeof(addr);
GSocketError err;
- assert(socket != NULL);
+ assert(this);
/* try to get it from the m_local var first */
- if (socket->m_local)
- return GAddress_copy(socket->m_local);
+ if (m_local)
+ return GAddress_copy(m_local);
/* else, if the socket is initialized, try getsockname */
- if (socket->m_fd == INVALID_SOCKET)
+ if (m_fd == INVALID_SOCKET)
{
- socket->m_error = GSOCK_INVSOCK;
+ m_error = GSOCK_INVSOCK;
return NULL;
}
- if (getsockname(socket->m_fd, &addr, &size) == SOCKET_ERROR)
+ if (getsockname(m_fd, &addr, &size) == SOCKET_ERROR)
{
- socket->m_error = GSOCK_IOERR;
+ m_error = GSOCK_IOERR;
return NULL;
}
/* got a valid address from getsockname, create a GAddress object */
if ((address = GAddress_new()) == NULL)
{
- socket->m_error = GSOCK_MEMERR;
+ m_error = GSOCK_MEMERR;
return NULL;
}
if ((err = _GAddress_translate_from(address, &addr, size)) != GSOCK_NOERROR)
{
GAddress_destroy(address);
- socket->m_error = err;
+ m_error = err;
return NULL;
}
return address;
}
-GAddress *GSocket_GetPeer(GSocket *socket)
+GAddress *GSocket::GetPeer()
{
- assert(socket != NULL);
+ assert(this);
/* try to get it from the m_peer var */
- if (socket->m_peer)
- return GAddress_copy(socket->m_peer);
+ if (m_peer)
+ return GAddress_copy(m_peer);
return NULL;
}
* GSOCK_INVADDR - the local address has not been set.
* GSOCK_IOERR - low-level error.
*/
-GSocketError GSocket_SetServer(GSocket *sck)
+GSocketError GSocket::SetServer()
{
u_long arg = 1;
- assert(sck != NULL);
+ assert(this);
/* must not be in use */
- if (sck->m_fd != INVALID_SOCKET)
+ if (m_fd != INVALID_SOCKET)
{
- sck->m_error = GSOCK_INVSOCK;
+ m_error = GSOCK_INVSOCK;
return GSOCK_INVSOCK;
}
/* the local addr must have been set */
- if (!sck->m_local)
+ if (!m_local)
{
- sck->m_error = GSOCK_INVADDR;
+ m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
/* Initialize all fields */
- sck->m_server = TRUE;
- sck->m_stream = TRUE;
+ m_server = true;
+ m_stream = true;
/* Create the socket */
- sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_STREAM, 0);
+ m_fd = socket(m_local->m_realfamily, SOCK_STREAM, 0);
- if (sck->m_fd == INVALID_SOCKET)
+ if (m_fd == INVALID_SOCKET)
{
- sck->m_error = GSOCK_IOERR;
+ m_error = GSOCK_IOERR;
return GSOCK_IOERR;
}
- ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
- _GSocket_Enable_Events(sck);
+ ioctlsocket(m_fd, FIONBIO, (u_long FAR *) &arg);
+ gs_gui_functions->Enable_Events(this);
/* allow a socket to re-bind if the socket is in the TIME_WAIT
state after being previously closed.
*/
- if (sck->m_reusable) {
- setsockopt(sck->m_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&arg, sizeof(u_long));
+ if (m_reusable)
+ {
+ setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&arg, sizeof(arg));
}
/* Bind to the local address,
* retrieve the actual address bound,
* and listen up to 5 connections.
*/
- if ((bind(sck->m_fd, sck->m_local->m_addr, sck->m_local->m_len) != 0) ||
- (getsockname(sck->m_fd,
- sck->m_local->m_addr,
- (SOCKLEN_T *)&sck->m_local->m_len) != 0) ||
- (listen(sck->m_fd, 5) != 0))
+ if ((bind(m_fd, m_local->m_addr, m_local->m_len) != 0) ||
+ (getsockname(m_fd,
+ m_local->m_addr,
+ (WX_SOCKLEN_T *)&m_local->m_len) != 0) ||
+ (listen(m_fd, 5) != 0))
{
- GSocket_close(sck);
- sck->m_error = GSOCK_IOERR;
+ Close();
+ m_error = GSOCK_IOERR;
return GSOCK_IOERR;
}
* GSOCK_MEMERR - couldn't allocate memory.
* GSOCK_IOERR - low-level error.
*/
-GSocket *GSocket_WaitConnection(GSocket *sck)
+GSocket *GSocket::WaitConnection()
{
GSocket *connection;
struct sockaddr from;
- SOCKLEN_T fromlen = sizeof(from);
+ WX_SOCKLEN_T fromlen = sizeof(from);
GSocketError err;
u_long arg = 1;
- assert(sck != NULL);
+ assert(this);
/* Reenable CONNECTION events */
- sck->m_detected &= ~GSOCK_CONNECTION_FLAG;
+ m_detected &= ~GSOCK_CONNECTION_FLAG;
/* If the socket has already been created, we exit immediately */
- if (sck->m_fd == INVALID_SOCKET || !sck->m_server)
+ if (m_fd == INVALID_SOCKET || !m_server)
{
- sck->m_error = GSOCK_INVSOCK;
+ m_error = GSOCK_INVSOCK;
return NULL;
}
if (!connection)
{
- sck->m_error = GSOCK_MEMERR;
+ m_error = GSOCK_MEMERR;
return NULL;
}
/* Wait for a connection (with timeout) */
- if (_GSocket_Input_Timeout(sck) == GSOCK_TIMEDOUT)
+ if (Input_Timeout() == GSOCK_TIMEDOUT)
{
- GSocket_destroy(connection);
- /* sck->m_error set by _GSocket_Input_Timeout */
+ delete connection;
+ /* m_error set by _GSocket_Input_Timeout */
return NULL;
}
- connection->m_fd = accept(sck->m_fd, &from, &fromlen);
+ connection->m_fd = accept(m_fd, &from, &fromlen);
if (connection->m_fd == INVALID_SOCKET)
{
if (WSAGetLastError() == WSAEWOULDBLOCK)
- sck->m_error = GSOCK_WOULDBLOCK;
+ m_error = GSOCK_WOULDBLOCK;
else
- sck->m_error = GSOCK_IOERR;
+ m_error = GSOCK_IOERR;
- GSocket_destroy(connection);
+ delete connection;
return NULL;
}
/* Initialize all fields */
- connection->m_server = FALSE;
- connection->m_stream = TRUE;
+ connection->m_server = false;
+ connection->m_stream = true;
/* Setup the peer address field */
connection->m_peer = GAddress_new();
if (!connection->m_peer)
{
- GSocket_destroy(connection);
- sck->m_error = GSOCK_MEMERR;
+ delete connection;
+ m_error = GSOCK_MEMERR;
return NULL;
}
err = _GAddress_translate_from(connection->m_peer, &from, fromlen);
if (err != GSOCK_NOERROR)
{
GAddress_destroy(connection->m_peer);
- GSocket_destroy(connection);
- sck->m_error = err;
+ delete connection;
+ m_error = err;
return NULL;
}
ioctlsocket(connection->m_fd, FIONBIO, (u_long FAR *) &arg);
- _GSocket_Enable_Events(connection);
+ gs_gui_functions->Enable_Events(connection);
return connection;
}
* make the appropriate setsockopt() call.
* Implemented as a GSocket function because clients (ie, wxSocketServer)
* don't have access to the GSocket struct information.
-* Returns TRUE if the flag was set correctly, FALSE if an error occured
+* Returns true if the flag was set correctly, false if an error occurred
* (ie, if the parameter was NULL)
*/
-int GSocket_SetReusable(GSocket *socket)
+bool GSocket::SetReusable()
{
/* socket must not be null, and must not be in use/already bound */
- if (NULL != socket && socket->m_fd == INVALID_SOCKET) {
- socket->m_reusable = TRUE;
- return TRUE;
+ if (this && m_fd == INVALID_SOCKET) {
+ m_reusable = true;
+ return true;
}
- return FALSE;
+ return false;
+}
+
+/* GSocket_SetBroadcast:
+* Simply sets the m_broadcast flag on the socket. GSocket_SetServer will
+* make the appropriate setsockopt() call.
+* Implemented as a GSocket function because clients (ie, wxSocketServer)
+* don't have access to the GSocket struct information.
+* Returns true if the flag was set correctly, false if an error occurred
+* (ie, if the parameter was NULL)
+*/
+bool GSocket::SetBroadcast()
+{
+ /* socket must not be in use/already bound */
+ if (m_fd == INVALID_SOCKET) {
+ m_broadcast = true;
+ return true;
+ }
+ return false;
+}
+
+bool GSocket::DontDoBind()
+{
+ /* socket must not be in use/already bound */
+ if (m_fd == INVALID_SOCKET) {
+ m_dobind = false;
+ return true;
+ }
+ return false;
}
/* Client specific parts */
* 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
+ * connection has been successfully 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()
* GSOCK_MEMERR - couldn't allocate memory.
* GSOCK_IOERR - low-level error.
*/
-GSocketError GSocket_Connect(GSocket *sck, GSocketStream stream)
+GSocketError GSocket::Connect(GSocketStream stream)
{
int ret, err;
u_long arg = 1;
- assert(sck != NULL);
+ assert(this);
/* Enable CONNECTION events (needed for nonblocking connections) */
- sck->m_detected &= ~GSOCK_CONNECTION_FLAG;
+ m_detected &= ~GSOCK_CONNECTION_FLAG;
- if (sck->m_fd != INVALID_SOCKET)
+ if (m_fd != INVALID_SOCKET)
{
- sck->m_error = GSOCK_INVSOCK;
+ m_error = GSOCK_INVSOCK;
return GSOCK_INVSOCK;
}
- if (!sck->m_peer)
+ if (!m_peer)
{
- sck->m_error = GSOCK_INVADDR;
+ m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
/* Streamed or dgram socket? */
- sck->m_stream = (stream == GSOCK_STREAMED);
- sck->m_server = FALSE;
- sck->m_establishing = FALSE;
+ m_stream = (stream == GSOCK_STREAMED);
+ m_server = false;
+ m_establishing = false;
/* Create the socket */
- sck->m_fd = socket(sck->m_peer->m_realfamily,
- sck->m_stream? SOCK_STREAM : SOCK_DGRAM, 0);
+ m_fd = socket(m_peer->m_realfamily,
+ m_stream? SOCK_STREAM : SOCK_DGRAM, 0);
- if (sck->m_fd == INVALID_SOCKET)
+ if (m_fd == INVALID_SOCKET)
{
- sck->m_error = GSOCK_IOERR;
+ m_error = GSOCK_IOERR;
return GSOCK_IOERR;
}
- ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
- _GSocket_Enable_Events(sck);
+ ioctlsocket(m_fd, FIONBIO, (u_long FAR *) &arg);
+ gs_gui_functions->Enable_Events(this);
+
+ // If the reuse flag is set, use the applicable socket reuse flag
+ if (m_reusable)
+ {
+ setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&arg, sizeof(arg));
+ }
+
+ // If a local address has been set, then we need to bind to it before calling connect
+ if (m_local && m_local->m_addr)
+ {
+ bind(m_fd, m_local->m_addr, m_local->m_len);
+ }
/* Connect it to the peer address, with a timeout (see below) */
- ret = connect(sck->m_fd, sck->m_peer->m_addr, sck->m_peer->m_len);
+ ret = connect(m_fd, m_peer->m_addr, m_peer->m_len);
if (ret == SOCKET_ERROR)
{
* checking for writability to see if the connection request
* completes.
*/
- if ((err == WSAEWOULDBLOCK) && (!sck->m_non_blocking))
+ if ((err == WSAEWOULDBLOCK) && (!m_non_blocking))
{
- err = _GSocket_Connect_Timeout(sck);
+ err = Connect_Timeout();
if (err != GSOCK_NOERROR)
{
- GSocket_close(sck);
- /* sck->m_error is set in _GSocket_Connect_Timeout */
+ Close();
+ /* m_error is set in _GSocket_Connect_Timeout */
}
return (GSocketError) err;
* this way if the connection completes, a GSOCK_CONNECTION
* event will be generated, if enabled.
*/
- if ((err == WSAEWOULDBLOCK) && (sck->m_non_blocking))
+ if ((err == WSAEWOULDBLOCK) && (m_non_blocking))
{
- sck->m_establishing = TRUE;
- sck->m_error = GSOCK_WOULDBLOCK;
+ m_establishing = true;
+ m_error = GSOCK_WOULDBLOCK;
return GSOCK_WOULDBLOCK;
}
/* If connect failed with an error other than EWOULDBLOCK,
* then the call to GSocket_Connect() has failed.
*/
- GSocket_close(sck);
- sck->m_error = GSOCK_IOERR;
+ Close();
+ m_error = GSOCK_IOERR;
return GSOCK_IOERR;
}
* GSOCK_INVADDR - the local address has not been set.
* GSOCK_IOERR - low-level error.
*/
-GSocketError GSocket_SetNonOriented(GSocket *sck)
+GSocketError GSocket::SetNonOriented()
{
u_long arg = 1;
- assert(sck != NULL);
+ assert(this);
- if (sck->m_fd != INVALID_SOCKET)
+ if (m_fd != INVALID_SOCKET)
{
- sck->m_error = GSOCK_INVSOCK;
+ m_error = GSOCK_INVSOCK;
return GSOCK_INVSOCK;
}
- if (!sck->m_local)
+ if (!m_local)
{
- sck->m_error = GSOCK_INVADDR;
+ m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
/* Initialize all fields */
- sck->m_stream = FALSE;
- sck->m_server = FALSE;
+ m_stream = false;
+ m_server = false;
/* Create the socket */
- sck->m_fd = socket(sck->m_local->m_realfamily, SOCK_DGRAM, 0);
+ m_fd = socket(m_local->m_realfamily, SOCK_DGRAM, 0);
- if (sck->m_fd == INVALID_SOCKET)
+ if (m_fd == INVALID_SOCKET)
{
- sck->m_error = GSOCK_IOERR;
+ m_error = GSOCK_IOERR;
return GSOCK_IOERR;
}
- ioctlsocket(sck->m_fd, FIONBIO, (u_long FAR *) &arg);
- _GSocket_Enable_Events(sck);
+ ioctlsocket(m_fd, FIONBIO, (u_long FAR *) &arg);
+ gs_gui_functions->Enable_Events(this);
- /* Bind to the local address,
- * and retrieve the actual address bound.
- */
- if ((bind(sck->m_fd, sck->m_local->m_addr, sck->m_local->m_len) != 0) ||
- (getsockname(sck->m_fd,
- sck->m_local->m_addr,
- (SOCKLEN_T *)&sck->m_local->m_len) != 0))
+ if (m_reusable)
{
- GSocket_close(sck);
- sck->m_error = GSOCK_IOERR;
- return GSOCK_IOERR;
+ setsockopt(m_fd, SOL_SOCKET, SO_REUSEADDR, (const char*)&arg, sizeof(arg));
+ }
+ if (m_broadcast)
+ {
+ setsockopt(m_fd, SOL_SOCKET, SO_BROADCAST, (const char*)&arg, sizeof(arg));
+ }
+ if (m_dobind)
+ {
+ /* Bind to the local address,
+ * and retrieve the actual address bound.
+ */
+ if ((bind(m_fd, m_local->m_addr, m_local->m_len) != 0) ||
+ (getsockname(m_fd,
+ m_local->m_addr,
+ (WX_SOCKLEN_T *)&m_local->m_len) != 0))
+ {
+ Close();
+ m_error = GSOCK_IOERR;
+ return GSOCK_IOERR;
+ }
}
return GSOCK_NOERROR;
/* Generic IO */
/* Like recv(), send(), ... */
-int GSocket_Read(GSocket *socket, char *buffer, int size)
+int GSocket::Read(char *buffer, int size)
{
int ret;
- assert(socket != NULL);
+ assert(this);
/* Reenable INPUT events */
- socket->m_detected &= ~GSOCK_INPUT_FLAG;
+ m_detected &= ~GSOCK_INPUT_FLAG;
- if (socket->m_fd == INVALID_SOCKET || socket->m_server)
+ if (m_fd == INVALID_SOCKET || m_server)
{
- socket->m_error = GSOCK_INVSOCK;
+ m_error = GSOCK_INVSOCK;
return -1;
}
/* If the socket is blocking, wait for data (with a timeout) */
- if (_GSocket_Input_Timeout(socket) == GSOCK_TIMEDOUT)
+ if (Input_Timeout() == GSOCK_TIMEDOUT)
+ {
+ m_error = GSOCK_TIMEDOUT;
return -1;
+ }
/* Read the data */
- if (socket->m_stream)
- ret = _GSocket_Recv_Stream(socket, buffer, size);
+ if (m_stream)
+ ret = Recv_Stream(buffer, size);
else
- ret = _GSocket_Recv_Dgram(socket, buffer, size);
+ ret = Recv_Dgram(buffer, size);
if (ret == SOCKET_ERROR)
{
if (WSAGetLastError() != WSAEWOULDBLOCK)
- socket->m_error = GSOCK_IOERR;
+ m_error = GSOCK_IOERR;
else
- socket->m_error = GSOCK_WOULDBLOCK;
+ m_error = GSOCK_WOULDBLOCK;
return -1;
}
return ret;
}
-int GSocket_Write(GSocket *socket, const char *buffer, int size)
+int GSocket::Write(const char *buffer, int size)
{
int ret;
- assert(socket != NULL);
+ assert(this);
- if (socket->m_fd == INVALID_SOCKET || socket->m_server)
+ if (m_fd == INVALID_SOCKET || m_server)
{
- socket->m_error = GSOCK_INVSOCK;
+ m_error = GSOCK_INVSOCK;
return -1;
}
/* If the socket is blocking, wait for writability (with a timeout) */
- if (_GSocket_Output_Timeout(socket) == GSOCK_TIMEDOUT)
+ if (Output_Timeout() == GSOCK_TIMEDOUT)
return -1;
/* Write the data */
- if (socket->m_stream)
- ret = _GSocket_Send_Stream(socket, buffer, size);
+ if (m_stream)
+ ret = Send_Stream(buffer, size);
else
- ret = _GSocket_Send_Dgram(socket, buffer, size);
+ ret = Send_Dgram(buffer, size);
if (ret == SOCKET_ERROR)
{
if (WSAGetLastError() != WSAEWOULDBLOCK)
- socket->m_error = GSOCK_IOERR;
+ m_error = GSOCK_IOERR;
else
- socket->m_error = GSOCK_WOULDBLOCK;
+ m_error = GSOCK_WOULDBLOCK;
/* Only reenable OUTPUT events after an error (just like WSAAsyncSelect
* does). Once the first OUTPUT event is received, users can assume
* that the socket is writable until a read operation fails. Only then
* will further OUTPUT events be posted.
*/
- socket->m_detected &= ~GSOCK_OUTPUT_FLAG;
+ m_detected &= ~GSOCK_OUTPUT_FLAG;
return -1;
}
* performed. This function won't block, regardless of the
* mode (blocking | nonblocking) of the socket.
*/
-GSocketEventFlags GSocket_Select(GSocket *socket, GSocketEventFlags flags)
+GSocketEventFlags GSocket::Select(GSocketEventFlags flags)
{
- if (!USE_GUI())
+ if (!gs_gui_functions->CanUseEventLoop())
{
GSocketEventFlags result = 0;
fd_set readfds;
fd_set writefds;
fd_set exceptfds;
- assert(socket != NULL);
+ assert(this);
FD_ZERO(&readfds);
FD_ZERO(&writefds);
FD_ZERO(&exceptfds);
- FD_SET(socket->m_fd, &readfds);
+ FD_SET(m_fd, &readfds);
if (flags & GSOCK_OUTPUT_FLAG || flags & GSOCK_CONNECTION_FLAG)
- FD_SET(socket->m_fd, &writefds);
- FD_SET(socket->m_fd, &exceptfds);
+ FD_SET(m_fd, &writefds);
+ FD_SET(m_fd, &exceptfds);
/* Check 'sticky' CONNECTION flag first */
- result |= (GSOCK_CONNECTION_FLAG & socket->m_detected);
+ result |= (GSOCK_CONNECTION_FLAG & m_detected);
/* If we have already detected a LOST event, then don't try
* to do any further processing.
*/
- if ((socket->m_detected & GSOCK_LOST_FLAG) != 0)
+ if ((m_detected & GSOCK_LOST_FLAG) != 0)
{
- socket->m_establishing = FALSE;
+ m_establishing = false;
return (GSOCK_LOST_FLAG & flags);
}
/* Try select now */
- if (select(socket->m_fd + 1, &readfds, &writefds, &exceptfds,
- &socket->m_timeout) <= 0)
+ if (select(m_fd + 1, &readfds, &writefds, &exceptfds,
+ &m_timeout) <= 0)
{
/* What to do here? */
return (result & flags);
}
+ /* Check for exceptions and errors */
+ if (FD_ISSET(m_fd, &exceptfds))
+ {
+ m_establishing = false;
+ m_detected = GSOCK_LOST_FLAG;
+
+ /* LOST event: Abort any further processing */
+ return (GSOCK_LOST_FLAG & flags);
+ }
+
/* Check for readability */
- if (FD_ISSET(socket->m_fd, &readfds))
+ if (FD_ISSET(m_fd, &readfds))
{
- char c;
+ result |= GSOCK_INPUT_FLAG;
- if (!socket->m_stream || recv(socket->m_fd, &c, 1, MSG_PEEK) > 0)
- {
- result |= GSOCK_INPUT_FLAG;
- }
- else
+ if (m_server && m_stream)
{
- if (socket->m_server && socket->m_stream)
- {
- result |= GSOCK_CONNECTION_FLAG;
- socket->m_detected |= GSOCK_CONNECTION_FLAG;
- }
- else
- {
- socket->m_detected = GSOCK_LOST_FLAG;
- socket->m_establishing = FALSE;
-
- /* LOST event: Abort any further processing */
- return (GSOCK_LOST_FLAG & flags);
- }
+ /* This is a TCP server socket that detected a connection.
+ While the INPUT_FLAG is also set, it doesn't matter on
+ this kind of sockets, as we can only Accept() from them. */
+ result |= GSOCK_CONNECTION_FLAG;
+ m_detected |= GSOCK_CONNECTION_FLAG;
}
}
/* Check for writability */
- if (FD_ISSET(socket->m_fd, &writefds))
+ if (FD_ISSET(m_fd, &writefds))
{
- if (socket->m_establishing && !socket->m_server)
+ if (m_establishing && !m_server)
{
int error;
- SOCKLEN_T len = sizeof(error);
+ WX_SOCKLEN_T len = sizeof(error);
- socket->m_establishing = FALSE;
+ m_establishing = false;
- getsockopt(socket->m_fd, SOL_SOCKET, SO_ERROR, (char*)&error, &len);
+ getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (char*)&error, &len);
if (error)
{
- socket->m_detected = GSOCK_LOST_FLAG;
+ m_detected = GSOCK_LOST_FLAG;
/* LOST event: Abort any further processing */
return (GSOCK_LOST_FLAG & flags);
else
{
result |= GSOCK_CONNECTION_FLAG;
- socket->m_detected |= GSOCK_CONNECTION_FLAG;
+ m_detected |= GSOCK_CONNECTION_FLAG;
}
}
else
}
}
- /* Check for exceptions and errors (is this useful in Unices?) */
- if (FD_ISSET(socket->m_fd, &exceptfds))
- {
- socket->m_establishing = FALSE;
- socket->m_detected = GSOCK_LOST_FLAG;
-
- /* LOST event: Abort any further processing */
- return (GSOCK_LOST_FLAG & flags);
- }
-
return (result & flags);
}
else /* USE_GUI() */
{
- assert(socket != NULL);
- return flags & socket->m_detected;
+ assert(this);
+ return flags & m_detected;
}
}
* Sets the socket to non-blocking mode. All IO calls will return
* immediately.
*/
-void GSocket_SetNonBlocking(GSocket *socket, int non_block)
+void GSocket::SetNonBlocking(bool non_block)
{
- assert(socket != NULL);
+ assert(this);
- socket->m_non_blocking = non_block;
+ m_non_blocking = non_block;
}
/* GSocket_SetTimeout:
* Sets the timeout for blocking calls. Time is expressed in
* milliseconds.
*/
-void GSocket_SetTimeout(GSocket *socket, unsigned long millis)
+void GSocket::SetTimeout(unsigned long millis)
{
- assert(socket != NULL);
+ assert(this);
- socket->m_timeout.tv_sec = (millis / 1000);
- socket->m_timeout.tv_usec = (millis % 1000) * 1000;
+ m_timeout.tv_sec = (millis / 1000);
+ m_timeout.tv_usec = (millis % 1000) * 1000;
}
/* GSocket_GetError:
- * Returns the last error occured for this socket. Note that successful
+ * Returns the last error occurred 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)
+GSocketError WXDLLIMPEXP_NET GSocket::GetError()
{
- assert(socket != NULL);
+ assert(this);
- return socket->m_error;
+ return m_error;
}
/* Callbacks */
* 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
+ * Connection successfully 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:
*
* void function(GSocket *socket, GSocketEvent event, char *cdata)
*/
-void GSocket_SetCallback(GSocket *socket, GSocketEventFlags flags,
+void GSocket::SetCallback(GSocketEventFlags flags,
GSocketCallback callback, char *cdata)
{
int count;
- assert(socket != NULL);
+ assert(this);
for (count = 0; count < GSOCK_MAX_EVENT; count++)
{
if ((flags & (1 << count)) != 0)
{
- socket->m_cbacks[count] = callback;
- socket->m_data[count] = cdata;
+ m_cbacks[count] = callback;
+ m_data[count] = cdata;
}
}
}
* Disables all callbacks specified by 'flags', which may be a
* combination of flags OR'ed toghether.
*/
-void GSocket_UnsetCallback(GSocket *socket, GSocketEventFlags flags)
+void GSocket::UnsetCallback(GSocketEventFlags flags)
{
int count;
- assert(socket != NULL);
+ assert(this);
for (count = 0; count < GSOCK_MAX_EVENT; count++)
{
if ((flags & (1 << count)) != 0)
{
- socket->m_cbacks[count] = NULL;
- socket->m_data[count] = NULL;
+ m_cbacks[count] = NULL;
+ m_data[count] = NULL;
}
}
}
-GSocketError GSocket_GetSockOpt(GSocket *socket, int level, int optname,
+GSocketError GSocket::GetSockOpt(int level, int optname,
void *optval, int *optlen)
{
- if (getsockopt(socket->m_fd, level, optname, (char*)optval, optlen) == 0)
+ if (getsockopt(m_fd, level, optname, (char*)optval, optlen) == 0)
{
return GSOCK_NOERROR;
}
return GSOCK_OPTERR;
}
-GSocketError GSocket_SetSockOpt(GSocket *socket, int level, int optname,
+GSocketError GSocket::SetSockOpt(int level, int optname,
const void *optval, int optlen)
{
- if (setsockopt(socket->m_fd, level, optname, (char*)optval, optlen) == 0)
+ if (setsockopt(m_fd, level, optname, (char*)optval, optlen) == 0)
{
return GSOCK_NOERROR;
}
* For blocking sockets, wait until data is available or
* until timeout ellapses.
*/
-GSocketError _GSocket_Input_Timeout(GSocket *socket)
+GSocketError GSocket::Input_Timeout()
{
fd_set readfds;
- if (!socket->m_non_blocking)
+ if (!m_non_blocking)
{
FD_ZERO(&readfds);
- FD_SET(socket->m_fd, &readfds);
- if (select(0, &readfds, NULL, NULL, &socket->m_timeout) == 0)
+ FD_SET(m_fd, &readfds);
+ if (select(0, &readfds, NULL, NULL, &m_timeout) == 0)
{
- socket->m_error = GSOCK_TIMEDOUT;
+ m_error = GSOCK_TIMEDOUT;
return GSOCK_TIMEDOUT;
}
}
* For blocking sockets, wait until data can be sent without
* blocking or until timeout ellapses.
*/
-GSocketError _GSocket_Output_Timeout(GSocket *socket)
+GSocketError GSocket::Output_Timeout()
{
fd_set writefds;
- if (!socket->m_non_blocking)
+ if (!m_non_blocking)
{
FD_ZERO(&writefds);
- FD_SET(socket->m_fd, &writefds);
- if (select(0, NULL, &writefds, NULL, &socket->m_timeout) == 0)
+ FD_SET(m_fd, &writefds);
+ if (select(0, NULL, &writefds, NULL, &m_timeout) == 0)
{
- socket->m_error = GSOCK_TIMEDOUT;
+ m_error = GSOCK_TIMEDOUT;
return GSOCK_TIMEDOUT;
}
}
* For blocking sockets, wait until the connection is
* established or fails, or until timeout ellapses.
*/
-GSocketError _GSocket_Connect_Timeout(GSocket *socket)
+GSocketError GSocket::Connect_Timeout()
{
fd_set writefds;
fd_set exceptfds;
FD_ZERO(&writefds);
FD_ZERO(&exceptfds);
- FD_SET(socket->m_fd, &writefds);
- FD_SET(socket->m_fd, &exceptfds);
- if (select(0, NULL, &writefds, &exceptfds, &socket->m_timeout) == 0)
+ FD_SET(m_fd, &writefds);
+ FD_SET(m_fd, &exceptfds);
+ if (select(0, NULL, &writefds, &exceptfds, &m_timeout) == 0)
{
- socket->m_error = GSOCK_TIMEDOUT;
+ m_error = GSOCK_TIMEDOUT;
return GSOCK_TIMEDOUT;
}
- if (!FD_ISSET(socket->m_fd, &writefds))
+ if (!FD_ISSET(m_fd, &writefds))
{
- socket->m_error = GSOCK_IOERR;
+ m_error = GSOCK_IOERR;
return GSOCK_IOERR;
}
return GSOCK_NOERROR;
}
-int _GSocket_Recv_Stream(GSocket *socket, char *buffer, int size)
+int GSocket::Recv_Stream(char *buffer, int size)
{
- return recv(socket->m_fd, buffer, size, 0);
+ return recv(m_fd, buffer, size, 0);
}
-int _GSocket_Recv_Dgram(GSocket *socket, char *buffer, int size)
+int GSocket::Recv_Dgram(char *buffer, int size)
{
struct sockaddr from;
- SOCKLEN_T fromlen = sizeof(from);
+ WX_SOCKLEN_T fromlen = sizeof(from);
int ret;
GSocketError err;
- ret = recvfrom(socket->m_fd, buffer, size, 0, &from, &fromlen);
+ ret = recvfrom(m_fd, buffer, size, 0, &from, &fromlen);
if (ret == SOCKET_ERROR)
return SOCKET_ERROR;
/* Translate a system address into a GSocket address */
- if (!socket->m_peer)
+ if (!m_peer)
{
- socket->m_peer = GAddress_new();
- if (!socket->m_peer)
+ m_peer = GAddress_new();
+ if (!m_peer)
{
- socket->m_error = GSOCK_MEMERR;
+ m_error = GSOCK_MEMERR;
return -1;
}
}
- err = _GAddress_translate_from(socket->m_peer, &from, fromlen);
+ err = _GAddress_translate_from(m_peer, &from, fromlen);
if (err != GSOCK_NOERROR)
{
- GAddress_destroy(socket->m_peer);
- socket->m_peer = NULL;
- socket->m_error = err;
+ GAddress_destroy(m_peer);
+ m_peer = NULL;
+ m_error = err;
return -1;
}
return ret;
}
-int _GSocket_Send_Stream(GSocket *socket, const char *buffer, int size)
+int GSocket::Send_Stream(const char *buffer, int size)
{
- return send(socket->m_fd, buffer, size, 0);
+ return send(m_fd, buffer, size, 0);
}
-int _GSocket_Send_Dgram(GSocket *socket, const char *buffer, int size)
+int GSocket::Send_Dgram(const char *buffer, int size)
{
struct sockaddr *addr;
int len, ret;
GSocketError err;
- if (!socket->m_peer)
+ if (!m_peer)
{
- socket->m_error = GSOCK_INVADDR;
+ m_error = GSOCK_INVADDR;
return -1;
}
- err = _GAddress_translate_to(socket->m_peer, &addr, &len);
+ err = _GAddress_translate_to(m_peer, &addr, &len);
if (err != GSOCK_NOERROR)
{
- socket->m_error = err;
+ m_error = err;
return -1;
}
- ret = sendto(socket->m_fd, buffer, size, 0, addr, len);
+ ret = sendto(m_fd, buffer, size, 0, addr, len);
/* Frees memory allocated by _GAddress_translate_to */
free(addr);
return ret;
}
+/* Compatibility functions for GSocket */
+GSocket *GSocket_new(void)
+{
+ GSocket *newsocket = new GSocket();
+ if(newsocket->IsOk())
+ return newsocket;
+ delete newsocket;
+ return NULL;
+}
+
/*
* -------------------------------------------------------------------------
return GSOCK_NOERROR;
}
+GSocketError GAddress_INET_SetBroadcastAddress(GAddress *address)
+{
+ return GAddress_INET_SetHostAddress(address, INADDR_BROADCAST);
+}
+
GSocketError GAddress_INET_SetAnyAddress(GAddress *address)
{
return GAddress_INET_SetHostAddress(address, INADDR_ANY);
CHECK_ADDRESS(address, INET);
addr = &(((struct sockaddr_in *)address->m_addr)->sin_addr);
- addr->s_addr = htonl(hostaddr);;
+ addr->s_addr = htonl(hostaddr);
return GSOCK_NOERROR;
}
return GSOCK_INVADDR;
}
-GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *path)
+GSocketError GAddress_UNIX_SetPath(GAddress *address, const char *WXUNUSED(path))
{
-#if defined(__BORLANDC__)
- /* prevents unused variable message in Borland */
- (void)path;
-#endif
assert (address != NULL);
address->m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
}
-GSocketError GAddress_UNIX_GetPath(GAddress *address, char *path, size_t sbuf)
+GSocketError GAddress_UNIX_GetPath(GAddress *address, char *WXUNUSED(path), size_t WXUNUSED(sbuf))
{
-#if defined(__BORLANDC__)
- /* prevents unused variable message in Borland */
- (void)path;
- (void)sbuf;
-#endif
assert (address != NULL);
address->m_error = GSOCK_INVADDR;
return GSOCK_INVADDR;
typedef void (*wxDummy)();
#endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */
-
projects / wxWidgets.git / blobdiff