/* -------------------------------------------------------------------------
- * 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 class GSocketGUIFunctionsTable *gs_gui_functions;
+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->OnInit() )
- {
- return 0;
- }
+ static GSocketGUIFunctionsTableNull table;
+ gs_gui_functions = &table;
+ }
+ if ( !gs_gui_functions->OnInit() )
+ {
+ return 0;
}
/* Initialize WinSocket */
m_local = NULL;
m_peer = NULL;
m_error = GSOCK_NOERROR;
- m_server = FALSE;
- m_stream = TRUE;
+ 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_establishing = false;
+ m_reusable = false;
assert(gs_gui_functions);
/* Per-socket GUI-specific initialization */
{
GAddress *address;
struct sockaddr addr;
- SOCKLEN_T size = sizeof(addr);
+ WX_SOCKLEN_T size = sizeof(addr);
GSocketError err;
assert(this);
}
/* Initialize all fields */
- m_server = TRUE;
- m_stream = TRUE;
+ m_server = true;
+ m_stream = true;
/* Create the socket */
m_fd = socket(m_local->m_realfamily, SOCK_STREAM, 0);
if ((bind(m_fd, m_local->m_addr, m_local->m_len) != 0) ||
(getsockname(m_fd,
m_local->m_addr,
- (SOCKLEN_T *)&m_local->m_len) != 0) ||
+ (WX_SOCKLEN_T *)&m_local->m_len) != 0) ||
(listen(m_fd, 5) != 0))
{
Close();
{
GSocket *connection;
struct sockaddr from;
- SOCKLEN_T fromlen = sizeof(from);
+ WX_SOCKLEN_T fromlen = sizeof(from);
GSocketError err;
u_long arg = 1;
/* Wait for a connection (with timeout) */
if (Input_Timeout() == GSOCK_TIMEDOUT)
{
- GSocket_destroy(connection);
+ delete connection;
/* m_error set by _GSocket_Input_Timeout */
return NULL;
}
else
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);
+ delete connection;
m_error = GSOCK_MEMERR;
return NULL;
}
if (err != GSOCK_NOERROR)
{
GAddress_destroy(connection->m_peer);
- GSocket_destroy(connection);
+ delete connection;
m_error = err;
return NULL;
}
* 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()
+bool GSocket::SetReusable()
{
/* socket must not be null, and must not be in use/already bound */
if (this && m_fd == INVALID_SOCKET) {
- m_reusable = TRUE;
- return TRUE;
+ m_reusable = true;
+ return true;
}
- return FALSE;
+ 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()
/* Streamed or dgram socket? */
m_stream = (stream == GSOCK_STREAMED);
- m_server = FALSE;
- m_establishing = FALSE;
+ m_server = false;
+ m_establishing = false;
/* Create the socket */
m_fd = socket(m_peer->m_realfamily,
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(u_long));
+ }
+
+ // 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(m_fd, m_peer->m_addr, m_peer->m_len);
*/
if ((err == WSAEWOULDBLOCK) && (m_non_blocking))
{
- m_establishing = TRUE;
+ m_establishing = true;
m_error = GSOCK_WOULDBLOCK;
return GSOCK_WOULDBLOCK;
}
}
/* Initialize all fields */
- m_stream = FALSE;
- m_server = FALSE;
+ m_stream = false;
+ m_server = false;
/* Create the socket */
m_fd = socket(m_local->m_realfamily, SOCK_DGRAM, 0);
if ((bind(m_fd, m_local->m_addr, m_local->m_len) != 0) ||
(getsockname(m_fd,
m_local->m_addr,
- (SOCKLEN_T *)&m_local->m_len) != 0))
+ (WX_SOCKLEN_T *)&m_local->m_len) != 0))
{
Close();
m_error = GSOCK_IOERR;
/* If the socket is blocking, wait for data (with a timeout) */
if (Input_Timeout() == GSOCK_TIMEDOUT)
+ {
+ m_error = GSOCK_TIMEDOUT;
return -1;
+ }
/* Read the data */
if (m_stream)
*/
if ((m_detected & GSOCK_LOST_FLAG) != 0)
{
- m_establishing = FALSE;
+ m_establishing = false;
return (GSOCK_LOST_FLAG & flags);
}
return (result & flags);
}
- /* Check for readability */
- if (FD_ISSET(m_fd, &readfds))
+ /* Check for exceptions and errors */
+ if (FD_ISSET(m_fd, &exceptfds))
{
- char c;
+ m_establishing = false;
+ m_detected = GSOCK_LOST_FLAG;
- if (!m_stream || recv(m_fd, &c, 1, MSG_PEEK) > 0)
- {
- result |= GSOCK_INPUT_FLAG;
- }
- else
- {
- if (m_server && m_stream)
- {
- result |= GSOCK_CONNECTION_FLAG;
- m_detected |= GSOCK_CONNECTION_FLAG;
- }
- else
- {
- m_detected = GSOCK_LOST_FLAG;
- m_establishing = FALSE;
+ /* LOST event: Abort any further processing */
+ return (GSOCK_LOST_FLAG & flags);
+ }
- /* LOST event: Abort any further processing */
- return (GSOCK_LOST_FLAG & flags);
- }
+ /* Check for readability */
+ if (FD_ISSET(m_fd, &readfds))
+ {
+ result |= GSOCK_INPUT_FLAG;
+
+ if (m_server && m_stream)
+ {
+ /* 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;
}
}
if (m_establishing && !m_server)
{
int error;
- SOCKLEN_T len = sizeof(error);
+ WX_SOCKLEN_T len = sizeof(error);
- m_establishing = FALSE;
+ m_establishing = false;
getsockopt(m_fd, SOL_SOCKET, SO_ERROR, (char*)&error, &len);
}
}
- /* Check for exceptions and errors (is this useful in Unices?) */
- 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);
- }
-
return (result & flags);
}
else /* USE_GUI() */
}
/* 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()
+GSocketError WXDLLIMPEXP_NET GSocket::GetError()
{
assert(this);
* 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:
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;
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__) */
-
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