int network_listen(struct timeval *timeout)
{
fd_set set;
int ret;
flush_list();
setfd(&set);
if (timeout)
logger_debug("[NETWORK] waiting for next action in %lu:%lu",
timeout->tv_sec,
timeout->tv_usec);
else
logger_debug("[NETWORK] waiting for extern action. nothing planified");
if ((ret = (select(g_network->nfds, &set, NULL, NULL, timeout))) > 0)
{
find_speaker(&set,
g_network->read,
&extract_from_socket,
&execute_from_socket);
find_speaker(&set,
g_network->listened,
&extract_from_listener,
&execute_from_listener);
}
g_network->nfds = 0;
return (ret);
}
int HttpListener::setSockAttr( int fd, GSockAddr &addr )
{
setfd( fd );
::fcntl( fd, F_SETFD, FD_CLOEXEC );
::fcntl( fd, F_SETFL, HttpGlobals::getMultiplexer()->getFLTag());
int nodelay = 1;
//::setsockopt( fd, IPPROTO_TCP, TCP_NODELAY, &nodelay, sizeof( int ) );
#ifdef TCP_DEFER_ACCEPT
::setsockopt( fd, IPPROTO_TCP, TCP_DEFER_ACCEPT, &nodelay, sizeof( int ) );
#endif
//int tos = IPTOS_THROUGHPUT;
//setsockopt( fd, IPPROTO_IP, IP_TOS, &tos, sizeof( tos ));
m_pMapVHost->setPort( addr.getPort() );
#ifdef SO_ACCEPTFILTER
/*
* FreeBSD accf_http filter
*/
struct accept_filter_arg arg;
memset( &arg, 0, sizeof(arg) );
strcpy( arg.af_name, "httpready" );
if ( setsockopt(fd, SOL_SOCKET, SO_ACCEPTFILTER, &arg, sizeof(arg)) < 0)
{
if (errno != ENOENT)
{
LOG_NOTICE(( "Failed to set accept-filter 'httpready': %s", strerror(errno) ));
}
}
#endif
return HttpGlobals::getMultiplexer()->add( this, POLLIN|POLLHUP|POLLERR );
}
int AioOutputStream::open(const char *pathname, int flags, mode_t mode)
{
if (m_closeRequested)
m_closeRequested = 0;
if (getfd() == -1)
setfd(ls_fio_open(pathname, flags, mode));
return getfd();
}
int pipe2(int fildes[2], int flags)
{
int rc = pipe(fildes);
if (rc == 0) {
if (flags & O_NONBLOCK) {
rc |= setfl(fildes[0], O_NONBLOCK);
rc |= setfl(fildes[1], O_NONBLOCK);
}
if (flags & O_CLOEXEC) {
rc |= setfd(fildes[0], FD_CLOEXEC);
rc |= setfd(fildes[1], FD_CLOEXEC);
}
if (rc != 0) {
int e = errno;
close(fildes[0]);
close(fildes[1]);
errno = e;
}
}
return rc;
}
int EdStream::close()
{
if (getfd() != -1)
{
if (m_pMplex)
m_pMplex->remove(this);
//::shutdown( getfd(), SHUT_RDWR );
::close(getfd());
setfd(-1);
}
return 0;
}
int HttpListener::stop()
{
if ( getfd() != -1 )
{
LOG_INFO(( "Stop listener %s.", getAddrStr() ));
HttpGlobals::getMultiplexer()->remove( this );
close( getfd() );
setfd( -1 );
return 0;
}
return EBADF;
}
/*
* creat() and open() replacement.
* BUGS: An unusually long file name could be dangerous.
*/
int
creat_(tchar *name_, int mode)
{
int fd;
char chbuf[MAXPATHLEN * MB_LEN_MAX]; /* General use buffer. */
tstostr(chbuf, name_);
fd = creat((char *)chbuf, mode);
if (fd != -1) {
setfd(fd);
}
return (fd);
}
int bsd_socketpair(int domain, int type, int protocol, int socket_vector[2])
{
int flags = type & ~0xf;
type &= 0xf;
int rc = socketpair(domain, type, protocol, socket_vector);
if (rc == 0) {
if (flags & SOCK_NONBLOCK) {
rc |= setfl(socket_vector[0], O_NONBLOCK);
rc |= setfl(socket_vector[1], O_NONBLOCK);
}
if (flags & SOCK_CLOEXEC) {
rc |= setfd(socket_vector[0], FD_CLOEXEC);
rc |= setfd(socket_vector[1], FD_CLOEXEC);
}
if (rc != 0) {
int e = errno;
close(socket_vector[0]);
close(socket_vector[1]);
errno = e;
}
}
return rc;
}
int CoreSocket::close()
{
int iRet;
for (int i = 0; i < 3; i++)
{
iRet = ::close(getfd());
if (iRet != EINTR) // not interupted
{
setfd(INVALID_FD);
return iRet;
}
}
return iRet;
}
int AioOutputStream::close()
{
if (getfd() == -1)
return 0;
if (m_pRecv)
flush();
if (m_pSend)
m_closeRequested = 1;
else
{
ls_fio_close(getfd());
setfd(-1);
m_closeRequested = 0;
m_flushRequested = 0;
}
return 0;
}
int FileCacheDataEx::readyData(const char * pPath)
{
int fd;
int ret = openFile( pPath, fd );
if ( ret )
return ret;
if ( (size_t)m_lSize < s_iMaxInMemCacheSize )
{
ret = allocateCache( m_lSize );
if ( ret == 0 )
{
ret = nio_read( fd, m_pCache, m_lSize );
if ( ret == m_lSize )
{
close( fd );
return 0;
}
else
{
release();
}
}
}
else if (( (size_t)m_lSize < s_iMaxMMapCacheSize )
&&((size_t)m_lSize + s_iCurTotalMMAPCache < s_iMaxTotalMMAPCache ))
{
m_pCache = (char *)mmap( 0, m_lSize, PROT_READ,
MAP_PRIVATE, fd, 0 );
s_iCurTotalMMAPCache += m_lSize;
if ( D_ENABLED( DL_MORE ))
LOG_D(( "[MMAP] Map %p to file:%s", m_pCache, pPath ));
if ( m_pCache == MAP_FAILED )
{
m_pCache = 0;
}
else
{
setStatus( MMAPED );
close( fd );
return 0;
}
}
setfd( fd );
fcntl( fd, F_SETFD, FD_CLOEXEC );
return 0;
}
int EventNotifier::initNotifier(Multiplexer *pMultiplexer)
{
#ifdef LSEFD_AVAIL
setfd(eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK));
#else
int fds[2];
if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) == -1)
return LS_FAIL;
::fcntl(fds[0], F_SETFD, FD_CLOEXEC);
::fcntl(fds[1], F_SETFD, FD_CLOEXEC);
int fl = 0;
::fcntl(fds[1], F_GETFL, &fl);
::fcntl(fds[1], F_SETFL, fl | pMultiplexer->getFLTag());
EventReactor::setfd(fds[1]);
m_fdIn = fds[0];
#endif
if (getfd() == -1)
return LS_FAIL;
pMultiplexer->add(this, POLLIN | POLLHUP | POLLERR);
return 0;
}
void BVCan::initializeCan( ){
#ifdef USE_CAN
WORD awBTR0BTR1=0x0014;
int aCANMsgType=0;
h = NULL;
errno = 0;
device = string("/dev/pcan32");
// open the device
// // O_RDWR which request opening the file read/write
h = LINUX_CAN_Open((char*)(device.c_str()), O_RDWR);
if (h==0)
{
device = string("/dev/pcan0");
h = LINUX_CAN_Open((char*)(device.c_str()), O_RDWR);
}
if(h==0){
cerr<< "PCan_Device nicht gefunden !!!"<<endl;
exit(37);
}
if(h){
PCAN_DESCRIPTOR *desc= (PCAN_DESCRIPTOR *)h;
BV_ASSERT( desc->nFileNo>0 );
BV_DEBUGINFO4NNL("BVCan::ctor device=[" << desc->szDevicePath << "]");
BV_DEBUGINFO4C(" fd=[" << desc->nFileNo << "]" << endl);
setfd(desc->nFileNo);
CAN_Status(h);
// -----------------------------------------------------------
// returns a text string with driver version info
errno = CAN_VersionInfo(h, info);
if (!errno){
string infostr( string(info) );
BV_DEBUGINFO4("BVCan::ctor driver version=[" << infostr << "]");
}
else
perror("BVCan::ctor CAN_VersionInfo()");
wBTR0BTR1 = 0x401c;
if(LINUX_CAN_BTR0BTR1(h,wBTR0BTR1)==0)
BV_WARNING("BVCan::ctor 0x" << hex << wBTR0BTR1 << dec << " is not possible" );
else
BV_DEBUGINFO4("BVCan::ctor baudrate changes to 0x" << hex << wBTR0BTR1 << dec );
}
else
BV_DEBUGINFO4("BVCan::ctor cannot open the can device");
BV_WARNING("BVCan::initializeCan .....................");
if(h){
// init to a user defined bit rate
//nExtended = CAN_INIT_TYPE_ST;
//wBTR0BTR1 = CAN_BAUD_500K;
canMsgType = aCANMsgType;
wBTR0BTR1 = awBTR0BTR1;
errno = CAN_Init(h, wBTR0BTR1, canMsgType);
if (errno)
perror("BVCan::initializeCan CAN_Init failed");
else
BV_WARNING("BVCan::initializeCan baudrate=0x" << hex << wBTR0BTR1 << dec << " msgType=" << canMsgType );
}
else
BV_WARNING("BVCan::initializeCan can HANDLE is NULL");
#endif
}
int LocalWorker::startWorker( )
{
int fd = getfd();
LocalWorkerConfig& config = getConfig();
struct stat st;
// if (( stat( config.getCommand(), &st ) == -1 )||
// ( access(config.getCommand(), X_OK) == -1 ))
// {
// LOG_ERR(("Start FCGI [%s]: invalid path to executable - %s,"
// " not exist or not executable ",
// config.getName(),config.getCommand() ));
// return -1;
// }
// if ( st.st_mode & S_ISUID )
// {
// if ( D_ENABLED( DL_LESS ))
// LOG_D(( "Fast CGI [%s]: Setuid bit is not allowed : %s\n",
// config.getName(), config.getCommand() ));
// return -1;
// }
if ( fd < 0 )
{
fd = ExtWorker::startServerSock( &config, config.getBackLog() );
if ( fd != -1 )
{
setfd( fd );
if ( config.getServerAddr().family() == PF_UNIX )
{
nio_stat( config.getServerAddr().getUnix(), &st );
HttpGlobals::getServerInfo()->addUnixSocket(
config.getServerAddr().getUnix(), &st );
}
}
else
return -1;
}
int instances = config.getInstances();
int cur_instances = getCurInstances();
int new_instances = getConnPool().getTotalConns() + 2 - cur_instances;
if ( new_instances <= 0 )
new_instances = 1;
if ( instances < new_instances + cur_instances )
{
new_instances = instances - cur_instances;
}
if ( new_instances <= 0 )
return 0;
int i;
for( i = 0; i < new_instances; ++i )
{
int pid;
pid = workerExec( config, fd );
if ( pid > 0 )
{
if ( D_ENABLED( DL_LESS ) )
LOG_D(( "[%s] add child process pid: %d", getName(), pid ));
PidRegistry::add( pid, this, 0 );
}
else
{
LOG_ERR(("Start FCGI [%s]: failed to start the # %d of %d instances.",
config.getName(), i+1, instances ));
break;
}
}
return (i==0)?-1:0;
}
