/* -------------------------------------------------------------------------
- * 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
+#if wxUSE_IPV6
+typedef struct sockaddr_storage wxSockAddr;
+#else
+typedef struct sockaddr wxSockAddr;
+#endif
+
+
/* Table of GUI-related functions. We must call them indirectly because
* of wxBase and GUI separation: */
m_timeout.tv_usec = 0;
m_establishing = false;
m_reusable = false;
+ m_broadcast = false;
+ m_dobind = true;
+ m_initialRecvBufferSize = -1;
+ m_initialSendBufferSize = -1;
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 *GSocket::GetLocal()
{
GAddress *address;
- struct sockaddr addr;
- SOCKLEN_T size = sizeof(addr);
+ wxSockAddr addr;
+ WX_SOCKLEN_T size = sizeof(addr);
GSocketError err;
assert(this);
return NULL;
}
- if (getsockname(m_fd, &addr, &size) == SOCKET_ERROR)
+ if (getsockname(m_fd, (sockaddr*)&addr, &size) == SOCKET_ERROR)
{
m_error = GSOCK_IOERR;
return NULL;
return NULL;
}
- if ((err = _GAddress_translate_from(address, &addr, size)) != GSOCK_NOERROR)
+ if ((err = _GAddress_translate_from(address, (sockaddr*)&addr, size)) != GSOCK_NOERROR)
{
GAddress_destroy(address);
m_error = err;
/* 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 *GSocket::WaitConnection()
{
GSocket *connection;
- struct sockaddr from;
- SOCKLEN_T fromlen = sizeof(from);
+ wxSockAddr from;
+ WX_SOCKLEN_T fromlen = sizeof(from);
GSocketError err;
u_long arg = 1;
return NULL;
}
- connection->m_fd = accept(m_fd, &from, &fromlen);
+ connection->m_fd = accept(m_fd, (sockaddr*)&from, &fromlen);
if (connection->m_fd == INVALID_SOCKET)
{
m_error = GSOCK_MEMERR;
return NULL;
}
- err = _GAddress_translate_from(connection->m_peer, &from, fromlen);
+ err = _GAddress_translate_from(connection->m_peer, (sockaddr*)&from, fromlen);
if (err != GSOCK_NOERROR)
{
GAddress_destroy(connection->m_peer);
* 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 (m_initialRecvBufferSize >= 0)
+ setsockopt(m_fd, SOL_SOCKET, SO_RCVBUF, (const char*)&m_initialRecvBufferSize, sizeof(m_initialRecvBufferSize));
+ if (m_initialSendBufferSize >= 0)
+ setsockopt(m_fd, SOL_SOCKET, SO_SNDBUF, (const char*)&m_initialSendBufferSize, sizeof(m_initialSendBufferSize));
+
+ // 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)
+ if (m_server && m_stream)
{
- 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);
- }
+ /* 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);
+ wxSockAddr from;
+ WX_SOCKLEN_T fromlen = sizeof(from);
int ret;
GSocketError err;
- ret = recvfrom(m_fd, buffer, size, 0, &from, &fromlen);
+ ret = recvfrom(m_fd, buffer, size, 0, (sockaddr*)&from, &fromlen);
if (ret == SOCKET_ERROR)
return SOCKET_ERROR;
return -1;
}
}
- err = _GAddress_translate_from(m_peer, &from, fromlen);
+ err = _GAddress_translate_from(m_peer, (sockaddr*)&from, fromlen);
if (err != GSOCK_NOERROR)
{
GAddress_destroy(m_peer);
case AF_UNIX:
address->m_family = GSOCK_UNIX;
break;
-#ifdef AF_INET6
+#if wxUSE_IPV6
case AF_INET6:
address->m_family = GSOCK_INET6;
break;
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 ntohs(addr->sin_port);
}
+
+#if wxUSE_IPV6
+/*
+ * -------------------------------------------------------------------------
+ * Internet IPv6 address family
+ * -------------------------------------------------------------------------
+ */
+#include "ws2tcpip.h"
+
+#ifdef __VISUALC__
+ #pragma comment(lib,"ws2_32")
+#endif // __VISUALC__
+
+GSocketError _GAddress_Init_INET6(GAddress *address)
+{
+ struct in6_addr any_address = IN6ADDR_ANY_INIT;
+ address->m_len = sizeof(struct sockaddr_in6);
+ address->m_addr = (struct sockaddr *) malloc(address->m_len);
+ if (address->m_addr == NULL)
+ {
+ address->m_error = GSOCK_MEMERR;
+ return GSOCK_MEMERR;
+ }
+ memset(address->m_addr,0,address->m_len);
+
+ address->m_family = GSOCK_INET6;
+ address->m_realfamily = AF_INET6;
+ ((struct sockaddr_in6 *)address->m_addr)->sin6_family = AF_INET6;
+ ((struct sockaddr_in6 *)address->m_addr)->sin6_addr = any_address;
+
+ return GSOCK_NOERROR;
+}
+
+GSocketError GAddress_INET6_SetHostName(GAddress *address, const char *hostname)
+{
+ assert(address != NULL);
+ CHECK_ADDRESS(address, INET6);
+
+ addrinfo hints;
+ memset( & hints, 0, sizeof( hints ) );
+ hints.ai_family = AF_INET6;
+ addrinfo * info = 0;
+ if ( getaddrinfo( hostname, "0", & hints, & info ) || ! info )
+ {
+ address->m_error = GSOCK_NOHOST;
+ return GSOCK_NOHOST;
+ }
+
+ memcpy( address->m_addr, info->ai_addr, info->ai_addrlen );
+ freeaddrinfo( info );
+ return GSOCK_NOERROR;
+}
+
+GSocketError GAddress_INET6_SetAnyAddress(GAddress *address)
+{
+ assert(address != NULL);
+
+ CHECK_ADDRESS(address, INET6);
+
+ struct in6_addr addr;
+ memset( & addr, 0, sizeof( addr ) );
+ return GAddress_INET6_SetHostAddress(address, addr);
+}
+GSocketError GAddress_INET6_SetHostAddress(GAddress *address,
+ struct in6_addr hostaddr)
+{
+ assert(address != NULL);
+
+ CHECK_ADDRESS(address, INET6);
+
+ ((struct sockaddr_in6 *)address->m_addr)->sin6_addr = hostaddr;
+
+ return GSOCK_NOERROR;
+}
+
+GSocketError GAddress_INET6_SetPortName(GAddress *address, const char *port,
+ const char *protocol)
+{
+ struct servent *se;
+ struct sockaddr_in6 *addr;
+
+ assert(address != NULL);
+ CHECK_ADDRESS(address, INET6);
+
+ if (!port)
+ {
+ address->m_error = GSOCK_INVPORT;
+ return GSOCK_INVPORT;
+ }
+
+ se = getservbyname(port, protocol);
+ if (!se)
+ {
+ if (isdigit(port[0]))
+ {
+ int port_int;
+
+ port_int = atoi(port);
+ addr = (struct sockaddr_in6 *)address->m_addr;
+ addr->sin6_port = htons((u_short) port_int);
+ return GSOCK_NOERROR;
+ }
+
+ address->m_error = GSOCK_INVPORT;
+ return GSOCK_INVPORT;
+ }
+
+ addr = (struct sockaddr_in6 *)address->m_addr;
+ addr->sin6_port = se->s_port;
+
+ return GSOCK_NOERROR;
+}
+
+GSocketError GAddress_INET6_SetPort(GAddress *address, unsigned short port)
+{
+ struct sockaddr_in6 *addr;
+
+ assert(address != NULL);
+ CHECK_ADDRESS(address, INET6);
+
+ addr = (struct sockaddr_in6 *)address->m_addr;
+ addr->sin6_port = htons(port);
+
+ return GSOCK_NOERROR;
+}
+
+GSocketError GAddress_INET6_GetHostName(GAddress *address, char *hostname, size_t sbuf)
+{
+ struct hostent *he;
+ char *addr_buf;
+ struct sockaddr_in6 *addr;
+
+ assert(address != NULL);
+ CHECK_ADDRESS(address, INET6);
+
+ addr = (struct sockaddr_in6 *)address->m_addr;
+ addr_buf = (char *)&(addr->sin6_addr);
+
+ he = gethostbyaddr(addr_buf, sizeof(addr->sin6_addr), AF_INET6);
+ if (he == NULL)
+ {
+ address->m_error = GSOCK_NOHOST;
+ return GSOCK_NOHOST;
+ }
+
+ strncpy(hostname, he->h_name, sbuf);
+
+ return GSOCK_NOERROR;
+}
+
+GSocketError GAddress_INET6_GetHostAddress(GAddress *address,struct in6_addr *hostaddr)
+{
+ assert(address != NULL);
+ assert(hostaddr != NULL);
+ CHECK_ADDRESS_RETVAL(address, INET6, GSOCK_INVADDR);
+ *hostaddr = ( (struct sockaddr_in6 *)address->m_addr )->sin6_addr;
+ return GSOCK_NOERROR;
+}
+
+unsigned short GAddress_INET6_GetPort(GAddress *address)
+{
+ assert(address != NULL);
+ CHECK_ADDRESS_RETVAL(address, INET6, 0);
+
+ return ntohs( ((struct sockaddr_in6 *)address->m_addr)->sin6_port );
+}
+
+#endif // wxUSE_IPV6
+
/*
* -------------------------------------------------------------------------
* Unix address family
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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