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/*
(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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