/* -------------------------------------------------------------------------
- * Project: GSocket (Generic Socket)
- * Name: gsocket.cpp
- * 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: $Id$
* -------------------------------------------------------------------------
*/
#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
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 */
/* If socket has been created, shutdown it */
if (m_fd != INVALID_SOCKET)
{
- shutdown(m_fd, 2);
+ shutdown(m_fd, 1 /* SD_SEND */);
Close();
}
{
GAddress *address;
struct sockaddr addr;
- SOCKLEN_T size = sizeof(addr);
+ WX_SOCKLEN_T size = sizeof(addr);
GSocketError err;
assert(this);
/* allow a socket to re-bind if the socket is in the TIME_WAIT
state after being previously closed.
*/
- if (m_reusable) {
- setsockopt(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,
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;
* 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)
*/
bool GSocket::SetReusable()
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 */
/* 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
+ * 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()
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(m_fd, m_peer->m_addr, m_peer->m_len);
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(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))
+ if (m_reusable)
{
- Close();
- 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;
/* 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)
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(m_fd, &readfds))
{
- char c;
+ result |= GSOCK_INPUT_FLAG;
- if (!m_stream || recv(m_fd, &c, 1, MSG_PEEK) > 0)
- {
- result |= GSOCK_INPUT_FLAG;
- }
- else
+ if (m_server && m_stream)
{
- 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);
- }
+ /* 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;
}
}
- /* 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.
*/
* 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;
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;
}
typedef void (*wxDummy)();
#endif /* wxUSE_SOCKETS || defined(__GSOCKET_STANDALONE__) */
-
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