int EdStream::read(char *pBuf, int size)
{
int ret = ::read(getfd(), pBuf, size);
if (ret < size)
resetRevent(POLLIN);
if (!ret)
{
errno = ECONNRESET;
return -1;
}
if ((ret == -1) && ((errno == EAGAIN) || (errno == EINTR)))
return 0;
return ret;
}
int EdStream::readv(struct iovec *vector, size_t count)
{
int ret = ::readv(getfd(), vector, count);
if (!ret)
{
errno = ECONNRESET;
return -1;
}
if (ret == -1)
{
resetRevent(POLLIN);
if ((errno == EAGAIN) || (errno == EINTR))
return 0;
}
return ret;
}
int HttpListener::handleEvents( short event )
{
static struct conn_data conns[CONN_BATCH_SIZE];
static struct conn_data * pEnd = &conns[CONN_BATCH_SIZE];
struct conn_data * pCur = conns;
int allowed;
int iCount = 0;
ConnLimitCtrl * pCLC = HttpGlobals::getConnLimitCtrl();
int limitType = 1;
allowed = pCLC->availConn();
if ( isSSL() )
{
if ( allowed > pCLC->availSSLConn() )
{
allowed = pCLC->availSSLConn();
limitType = 2;
}
}
while( iCount < allowed )
{
socklen_t len = 24;
pCur->fd = accept( getfd(), (struct sockaddr *)(pCur->achPeerAddr), &len );
if ( pCur->fd == -1 )
{
resetRevent( POLLIN );
if (( errno != EAGAIN )&&( errno != ECONNABORTED )
&&( errno != EINTR ))
{
LOG_ERR(( getLogger(),
"HttpListener::acceptConnection(): [%s] can't accept:%s!",
getAddrStr(), strerror( errno ) ));
}
break;
}
//++iCount;
//addConnection( conns, &iCount );
++pCur;
if ( pCur == pEnd )
{
iCount += CONN_BATCH_SIZE;
batchAddConn( conns, pCur, &iCount );
pCur = conns;
}
}
if ( pCur > conns )
{
int n = pCur - conns;
iCount += n;
if ( n > 1 )
batchAddConn( conns, pCur, &iCount );
else
addConnection( conns, &iCount );
}
if ( iCount > 0 )
{
m_pMapVHost->incRef( iCount );
pCLC->incConn( iCount );
}
if ( iCount >= allowed )
{
if ( limitType == 1 )
{
if ( D_ENABLED( DL_MORE ) )
{
LOG_D(( getLogger(),
"[%s] max connections reached, suspend accepting!",
getAddrStr() ));
}
pCLC->suspendAll();
}
else
{
if ( D_ENABLED( DL_MORE ) )
{
LOG_D(( getLogger(),
"[%s] max SSL connections reached, suspend accepting!",
getAddrStr() ));
}
pCLC->suspendSSL();
}
}
if ( D_ENABLED( DL_MORE ) )
{
LOG_D(( getLogger(),
"[%s] %d connections accepted!", getAddrStr(), iCount ));
}
return 0;
}
