- struct hostent *he = NULL;
- *err = 0;
-#if defined(HAVE_FUNC_GETHOSTBYNAME_R_6)
- if (gethostbyname_r(hostname, h, (char*)buffer, size, &he, err))
- he = NULL;
-#elif defined(HAVE_FUNC_GETHOSTBYNAME_R_5)
- he = gethostbyname_r(hostname, h, (char*)buffer, size, err);
-#elif defined(HAVE_FUNC_GETHOSTBYNAME_R_3)
- if (gethostbyname_r(hostname, h, (struct hostent_data*) buffer))
- {
- he = NULL;
- *err = h_errno;
- }
- else
- he = h;
-#elif defined(HAVE_GETHOSTBYNAME)
-#if wxUSE_THREADS
- wxMutexLocker locker(nameLock);
-#endif
- he = gethostbyname(hostname);
- if (!he)
- *err = h_errno;
- else
- he = deepCopyHostent(h, he, (char*)buffer, size, err);
-#endif
- return he;
-}
-
-#if defined(HAVE_GETHOSTBYNAME) && wxUSE_THREADS
-static wxMutex addrLock;
-#endif
-struct hostent * wxGethostbyaddr_r(const char *addr_buf, int buf_size,
- int proto, struct hostent *h,
- void *buffer, int size, int *err)
-{
- struct hostent *he = NULL;
- *err = 0;
-#if defined(HAVE_FUNC_GETHOSTBYNAME_R_6)
- if (gethostbyaddr_r(addr_buf, buf_size, proto, h,
- (char*)buffer, size, &he, err))
- he = NULL;
-#elif defined(HAVE_FUNC_GETHOSTBYNAME_R_5)
- he = gethostbyaddr_r(addr_buf, buf_size, proto, h, (char*)buffer, size, err);
-#elif defined(HAVE_FUNC_GETHOSTBYNAME_R_3)
- if (gethostbyaddr_r(addr_buf, buf_size, proto, h,
- (struct hostent_data*) buffer))
- {
- he = NULL;
- *err = h_errno;
- }
- else
- he = h;
-#elif defined(HAVE_GETHOSTBYNAME)
-#if wxUSE_THREADS
- wxMutexLocker locker(addrLock);
-#endif
- he = gethostbyaddr(addr_buf, buf_size, proto);
- if (!he)
- *err = h_errno;
- else
- he = deepCopyHostent(h, he, (char*)buffer, size, err);
-#endif
- return he;
-}
-
-#if defined(HAVE_GETSERVBYNAME)
-static struct servent * deepCopyServent(struct servent *s,
- const struct servent *se,
- char *buffer, int size)
-{
- /* copy plain old structure */
- memcpy(s, se, sizeof(struct servent));
-
- /* copy name */
- int len = strlen(s->s_name);
- if (len >= size)
- {
- return NULL;
- }
- memcpy(buffer, s->s_name, len);
- buffer[len] = '\0';
- s->s_name = buffer;
-
- /* track position in the buffer */
- int pos = len + 1;
-
- /* copy protocol */
- len = strlen(s->s_proto);
- if (pos + len >= size)
- {
- return NULL;
- }
- memcpy(buffer + pos, s->s_proto, len);
- buffer[pos + len] = '\0';
- s->s_proto = buffer + pos;
-
- /* track position in the buffer */
- pos += len + 1;
-
- /* ensure pointer alignment */
- unsigned int misalign = sizeof(char *) - pos%sizeof(char *);
- if(misalign < sizeof(char *))
- pos += misalign;
-
- /* leave space for pointer list */
- char **p = s->s_aliases, **q;
- char **s_aliases = (char **)(buffer + pos);
- while(*(p++) != 0)
- pos += sizeof(char *);
-
- /* copy addresses and fill new pointer list */
- for (p = s->s_aliases, q = s_aliases; *p != 0; p++, q++){
- len = strlen(*p);
- if (size <= pos + len)
- {
- return NULL;
- }
- memcpy(buffer + pos, *p, len); /* copy content */
- buffer[pos + len] = '\0';
- *q = buffer + pos; /* set copied pointer to copied content */
- pos += len + 1;
- }
- *++q = 0; /* null terminate the pointer list */
- s->s_aliases = s_aliases; /* copy pointer to pointers */
- return s;
-}
-#endif
-
-#if defined(HAVE_GETSERVBYNAME) && wxUSE_THREADS
-static wxMutex servLock;
-#endif
-struct servent *wxGetservbyname_r(const char *port, const char *protocol,
- struct servent *serv, void *buffer, int size)
-{
- struct servent *se = NULL;
-#if defined(HAVE_FUNC_GETSERVBYNAME_R_6)
- if (getservbyname_r(port, protocol, serv, (char*)buffer, size, &se))
- se = NULL;
-#elif defined(HAVE_FUNC_GETSERVBYNAME_R_5)
- se = getservbyname_r(port, protocol, serv, (char*)buffer, size);
-#elif defined(HAVE_FUNC_GETSERVBYNAME_R_4)
- if (getservbyname_r(port, protocol, serv, (struct servent_data*) buffer))
- se = NULL;
- else
- se = serv;
-#elif defined(HAVE_GETSERVBYNAME)
-#if wxUSE_THREADS
- wxMutexLocker locker(servLock);
-#endif
- se = getservbyname(port, protocol);
- if (se)
- se = deepCopyServent(serv, se, (char*)buffer, size);
-#endif
- return se;
-}
-
-/* debugging helpers */
-#ifdef __GSOCKET_DEBUG__
-# define SOCKET_DEBUG(args) printf args
-#else
-# define SOCKET_DEBUG(args)
-#endif /* __GSOCKET_DEBUG__ */
-
-/* static */
-wxSocketImpl *wxSocketImpl::Create(wxSocketBase& wxsocket)
-{
- return new wxSocketImplUnix(wxsocket);
-}
-
-
-/*
- * Disallow further read/write operations on this socket, close
- * the fd and disable all callbacks.
- */
-void wxSocketImplUnix::Shutdown()
-{
- /* Don't allow events to fire after socket has been closed */
- DisableEvents();
-
- wxSocketImpl::Shutdown();
-}
-
-/*
- * Waits for an incoming client connection. Returns a pointer to
- * a wxSocketImplUnix object, or NULL if there was an error, in which case
- * the last error field will be updated for the calling wxSocketImplUnix.
- *
- * Error codes (set in the calling wxSocketImplUnix)
- * wxSOCKET_INVSOCK - the socket is not valid or not a server.
- * wxSOCKET_TIMEDOUT - timeout, no incoming connections.
- * wxSOCKET_WOULDBLOCK - the call would block and the socket is nonblocking.
- * wxSOCKET_MEMERR - couldn't allocate memory.
- * wxSOCKET_IOERR - low-level error.
- */
-wxSocketImpl *wxSocketImplUnix::WaitConnection(wxSocketBase& wxsocket)
-{
- wxSockAddr from;
- WX_SOCKLEN_T fromlen = sizeof(from);
- wxSocketImpl *connection;
- wxSocketError err;
- int arg = 1;
-
- /* If the socket has already been created, we exit immediately */
- if (m_fd == INVALID_SOCKET || !m_server)
- {
- m_error = wxSOCKET_INVSOCK;
- return NULL;
- }
-
- /* Create a wxSocketImplUnix object for the new connection */
- connection = wxSocketImplUnix::Create(wxsocket);
-
- if (!connection)
- {
- m_error = wxSOCKET_MEMERR;
- return NULL;
- }
-
- /* Wait for a connection (with timeout) */
- if (Input_Timeout() == wxSOCKET_TIMEDOUT)
- {
- delete connection;
- /* m_error set by Input_Timeout */
- return NULL;
- }
-
- connection->m_fd = accept(m_fd, (sockaddr*)&from, (WX_SOCKLEN_T *) &fromlen);
-
- /* Reenable CONNECTION events */
- EnableEvent(wxSOCKET_CONNECTION);
-
- if (connection->m_fd == INVALID_SOCKET)
- {
- if (errno == EWOULDBLOCK)
- m_error = wxSOCKET_WOULDBLOCK;
- else
- m_error = wxSOCKET_IOERR;
-
- delete connection;
- return NULL;
- }
-
- /* Initialize all fields */
- connection->m_server = false;
- connection->m_stream = true;
-
- /* Setup the peer address field */
- connection->m_peer = GAddress_new();
- if (!connection->m_peer)
- {
- delete connection;
- m_error = wxSOCKET_MEMERR;
- return NULL;
- }
-
- err = _GAddress_translate_from(connection->m_peer, (sockaddr*)&from, fromlen);
- if (err != wxSOCKET_NOERROR)
- {
- delete connection;
- m_error = err;
- return NULL;
- }
-
-#if defined(__EMX__) || defined(__VISAGECPP__)
- ioctl(connection->m_fd, FIONBIO, (char*)&arg, sizeof(arg));
-#else
- ioctl(connection->m_fd, FIONBIO, &arg);
-#endif
- if (m_use_events)
- connection->Notify(true);
-
- return connection;
-}
-
-void wxSocketImplUnix::Notify(bool flag)
-{
- if (flag == m_use_events)
projects / wxWidgets.git / blobdiff