diff options
Diffstat (limited to 'Source/DirectFB/lib/voodoo/unix/interfaces_unix.c')
| -rwxr-xr-x | Source/DirectFB/lib/voodoo/unix/interfaces_unix.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/Source/DirectFB/lib/voodoo/unix/interfaces_unix.c b/Source/DirectFB/lib/voodoo/unix/interfaces_unix.c new file mode 100755 index 0000000..5c3b1f8 --- /dev/null +++ b/Source/DirectFB/lib/voodoo/unix/interfaces_unix.c @@ -0,0 +1,237 @@ +/*
+ (c) Copyright 2001-2011 The world wide DirectFB Open Source Community (directfb.org)
+ (c) Copyright 2000-2004 Convergence (integrated media) GmbH
+
+ All rights reserved.
+
+ Written by Denis Oliver Kropp <dok@directfb.org>,
+ Andreas Hundt <andi@fischlustig.de>,
+ Sven Neumann <neo@directfb.org>,
+ Ville Syrjälä <syrjala@sci.fi> and
+ Claudio Ciccani <klan@users.sf.net>.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+
+#include <direct/mem.h>
+
+#include <voodoo/play.h>
+
+#include <unistd.h>
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <net/if.h>
+
+#include <sys/ioctl.h>
+
+
+
+DirectResult
+voodoo_play_get_broadcast( VoodooPlayAddress **ret_addr,
+ size_t *ret_num )
+{
+ size_t num = 0;
+ size_t i = 0;
+ VoodooPlayAddress *addr;
+
+ int ret;
+ int fd;
+ char *ptr, lastname[IFNAMSIZ];
+ struct ifreq req[16];
+ struct ifconf conf;
+
+ D_ASSERT( ret_addr != NULL );
+ D_ASSERT( ret_num != NULL );
+
+ conf.ifc_buf = (char*) req;
+ conf.ifc_len = sizeof(req);
+
+ fd = socket( AF_INET, SOCK_DGRAM, 0 );
+ if (fd < 0) {
+ D_PERROR( "Voodoo/Unix: socket( AF_INET, SOCK_DGRAM, 0 ) failed!\n" );
+ return DR_FAILURE;
+ }
+
+ ret = ioctl( fd, SIOCGIFCONF, &conf );
+ if (ret) {
+ D_PERROR( "Voodoo/Player: ioctl( SIOCGIFCONF ) failed!\n" );
+ close( fd );
+ return DR_FAILURE;
+ }
+
+ lastname[0] = 0;
+
+ for (ptr = conf.ifc_buf; ptr < conf.ifc_buf + conf.ifc_len; ) {
+ struct ifreq ifrcopy, *ifr = (struct ifreq *)ptr;
+ struct sockaddr_in *saddr = (struct sockaddr_in*) &ifr->ifr_broadaddr;
+
+#ifdef MACOS
+ ptr += sizeof(ifr->ifr_name) + MAX(sizeof(struct sockaddr), ifr->ifr_addr.sa_len); // for next one in buffer
+#else
+ ptr += sizeof(req[0]);
+#endif
+
+ if (strncmp(lastname, ifr->ifr_name, IFNAMSIZ) == 0) {
+ continue; /* already processed this interface */
+ }
+
+ memcpy(lastname, ifr->ifr_name, IFNAMSIZ);
+
+ ifrcopy = *ifr;
+ ioctl( fd, SIOCGIFFLAGS, &ifrcopy);
+ if ((ifrcopy.ifr_flags & IFF_UP) == 0)
+ continue; // ignore if interface not up
+
+ ret = ioctl( fd, SIOCGIFBRDADDR, ifr );
+ if (ret)
+ continue;
+
+ if (!saddr->sin_addr.s_addr) {
+ ret = ioctl( fd, SIOCGIFDSTADDR, ifr );
+ if (ret)
+ continue;
+ }
+
+ num++;
+ }
+
+
+ addr = D_CALLOC( num, sizeof(VoodooPlayAddress) );
+ if (!addr) {
+ close( fd );
+ return D_OOM();
+ }
+
+
+ for (ptr = conf.ifc_buf; ptr < conf.ifc_buf + conf.ifc_len; ) {
+ char buf[100];
+ struct ifreq ifrcopy, *ifr = (struct ifreq *)ptr;
+ struct sockaddr_in *saddr = (struct sockaddr_in*) &ifr->ifr_broadaddr;
+
+#ifdef MACOS
+ ptr += sizeof(ifr->ifr_name) + MAX(sizeof(struct sockaddr), ifr->ifr_addr.sa_len); // for next one in buffer
+#else
+ ptr += sizeof(req[0]);
+#endif
+
+ if (strncmp(lastname, ifr->ifr_name, IFNAMSIZ) == 0) {
+ continue; /* already processed this interface */
+ }
+
+ memcpy(lastname, ifr->ifr_name, IFNAMSIZ);
+
+ ifrcopy = *ifr;
+ ioctl( fd, SIOCGIFFLAGS, &ifrcopy);
+ if ((ifrcopy.ifr_flags & IFF_UP) == 0) {
+ D_INFO( "Voodoo/Player: %-16s is not up.\n", ifrcopy.ifr_name );
+ continue; // ignore if interface not up
+ }
+
+ ret = ioctl( fd, SIOCGIFBRDADDR, ifr );
+ if (ret) {
+ D_PERROR( "Voodoo/Player: ioctl( SIOCGIFBRDADDR ) %-16s failed!\n", ifr->ifr_name );
+ continue;
+ }
+
+ if (saddr->sin_addr.s_addr) {
+ inet_ntop( AF_INET, &saddr->sin_addr, buf, sizeof(buf) );
+
+ D_INFO( "Voodoo/Player: %-16s (%s)\n", ifr->ifr_name, buf );
+ }
+ else {
+ ret = ioctl( fd, SIOCGIFDSTADDR, ifr );
+ if (ret) {
+ D_PERROR( "Voodoo/Player: ioctl( SIOCGIFDSTADDR ) failed!\n" );
+ continue;
+ }
+
+ inet_ntop( AF_INET, &saddr->sin_addr, buf, sizeof(buf) );
+
+ D_INFO( "Voodoo/Player: %-16s (%s) (P-t-P)\n", ifr->ifr_name, buf );
+ }
+
+ voodoo_play_from_inet_addr( &addr[i++], saddr->sin_addr.s_addr );
+ }
+
+ close( fd );
+
+ *ret_addr = addr;
+ *ret_num = num;
+
+ return DR_OK;
+}
+
+
+
+#if 0
+
+DirectResult
+voodoo_play_get_broadcast( VoodooPlayAddress **ret_addr,
+ size_t *ret_num )
+{
+ DirectResult ret = DR_OK;
+ VoodooPlayAddress *addr;
+
+ // Get local host name
+ char szHostName[128] = "";
+
+ if (gethostname(szHostName, sizeof(szHostName))) {
+ ret = errno2result( errno );
+ D_PERROR( "Voodoo/Win32: gethostname() failed!\n" );
+ return ret;
+ }
+
+ // Get local IP addresses
+ struct hostent *pHost = 0;
+
+ pHost = gethostbyname(szHostName);
+ if (!pHost) {
+ ret = errno2result( errno );
+ D_PERROR( "Voodoo/Win32: gethostbyname('%s') failed!\n", szHostName );
+ return ret;
+ }
+
+
+ size_t iCnt, iTotal = 0;
+
+ for (iCnt = 0; pHost->h_addr_list[iCnt]; ++iCnt)
+ iTotal++;
+
+
+ addr = D_CALLOC( iTotal, sizeof(VoodooPlayAddress) );
+ if (!addr)
+ return D_OOM();
+
+ for (iCnt = 0; pHost->h_addr_list[iCnt]; ++iCnt) {
+ struct sockaddr_in SocketAddress;
+
+ memcpy(&SocketAddress.sin_addr, pHost->h_addr_list[iCnt], pHost->h_length);
+
+ voodoo_play_from_inet_addr( &addr[iCnt], SocketAddress.sin_addr.s_addr );
+ }
+
+ *ret_addr = addr;
+ *ret_num = iTotal;
+
+ return DR_OK;
+}
+
+#endif
+
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