int
main (int argc, char **argv)
{
int c ;
char *liss_server ;
int timeout = 10;
int verbose = 0 ;
int defaultport = 4000 ;
unsigned char *seed ;
int fd = -1 ;
Bns *bns=0 ;
elog_init (argc, argv);
announce(0,0) ;
while ((c = getopt (argc, argv, "v")) != -1) {
switch (c) {
case 'v':
verbose++ ;
break;
default:
usage ();
}
}
if (argc - optind < 1)
usage ();
allot(unsigned char *, seed, SIZE) ;
for(;optind < argc;optind++) {
liss_server = argv[optind] ;
elog_notify(0, "opening %s\n", liss_server) ;
fd = open_socket ( liss_server, defaultport ) ;
if ( fd < 0 ) {
elog_complain ( 1, "Can't open liss server %s", liss_server ) ;
} else {
int out ;
bns = bnsnew(fd, 8192) ;
bnsuse_sockio(bns) ;
bnstimeout ( bns, timeout*1000 ) ;
bnsclr(bns) ;
bns->fd = fd ;
elog_notify(0, "reading %d bytes from %s\n", SIZE, liss_server) ;
if ( bnsget(bns, seed, BYTES, SIZE ) == 0 ) {
out = open(liss_server, O_WRONLY | O_CREAT, 0664 ) ;
if ( out == 0 ) {
elog_die (0, "Can't open %s to write", liss_server) ;
}
elog_notify(0, "writing %d bytes from %s\n", SIZE, liss_server) ;
if ( write(out, seed, SIZE) != SIZE ) {
elog_complain(0, "failed to write %d bytes to %s", SIZE, liss_server) ;
}
if ( close(out) != 0 ) {
elog_complain(0, "failed to close %s", liss_server) ;
}
} else {
elog_complain(0, "Failed to read data from %s", liss_server) ;
}
if ( bnsclose(bns) != 0 ) {
elog_complain(0, "failed to close bns #%d for %s", fd, liss_server) ;
}
}
}
return 0 ;
}
void
refresh_import_thread( ImportThread *it )
{
int val;
while( it->bnsin == NULL ) {
it->so = socket( PF_INET, SOCK_STREAM, 0 );
if( it->so < 0 ) {
elog_complain( 1,
"'%s': Failed to open socket to %s:%d\n",
it->name, it->server_ipaddress, it->server_port );
sleep( CONNECT_FAILURE_SLEEPTIME_SEC );
continue;
}
it->sin.sin_family = AF_INET;
it->sin.sin_port = htons( 0 ); /* Any port */
it->sin.sin_addr.s_addr = htonl( INADDR_ANY );
if( bind( it->so, (struct sockaddr *) &it->sin,
sizeof( it->sin ) ) ) {
if( it->bindfail < NCOMPLAIN_MAX ) {
elog_complain( 1, "'%s': Couldn't bind socket\n",
it->name );
}
if( it->bindfail++ == NCOMPLAIN_MAX ) {
elog_complain( 0,
"'%s': Last message repeated %d "
"times; will keep retrying "
"every %d sec\n",
it->name,
NCOMPLAIN_MAX,
CONNECT_FAILURE_SLEEPTIME_SEC );
}
close( it->so );
sleep( CONNECT_FAILURE_SLEEPTIME_SEC );
continue;
} else {
it->bindfail = 0;
}
it->sin.sin_port = htons( it->server_port );
it->sin.sin_addr.s_addr = inet_addr( it->server_ipaddress );
if( Verbose ) {
elog_notify( 0,
"'%s': Attempting to connect "
"to remote export module at %s:%d\n",
it->name, it->server_ipaddress,
it->server_port );
}
if( connect( it->so, (struct sockaddr *) &it->sin, sizeof( it->sin ) ) ) {
if( it->connectfail < NCOMPLAIN_MAX ) {
elog_complain( 1,
"'%s': Failed to connect socket for %s:%d\n",
it->name,
it->server_ipaddress, it->server_port );
}
if( it->connectfail++ == NCOMPLAIN_MAX ) {
elog_complain( 0,
"'%s': Last message repeated %d "
"times; will keep retrying "
"every %d sec\n",
it->name,
NCOMPLAIN_MAX,
CONNECT_FAILURE_SLEEPTIME_SEC );
}
close( it->so );
sleep( CONNECT_FAILURE_SLEEPTIME_SEC );
continue;
} else {
it->connectfail = 0;
val = 1;
if( setsockopt( it->so, SOL_SOCKET, SO_KEEPALIVE,
&val, sizeof(int) ) ) {
elog_die( 1,
"Failed to set KEEPALIVE for socket\n" );
}
if( Verbose ) {
elog_notify( 0,
"'%s': import thread Connected "
"to remote export module\n",
it->name );
}
}
it->bnsin = bnsnew( it->so, BNS_BUFFER_SIZE );
bnsuse_sockio( it->bnsin );
bnstimeout( it->bnsin, DEFAULT_BNS_TIMEOUT );
}
return;
}
