bool connection_handler::do_receives()
{
hpx::util::high_resolution_timer t;
hpx::lcos::local::spinlock::scoped_try_lock l(receivers_mtx_);
for(
receivers_type::iterator it = receivers_.begin();
!stopped_ && enable_parcel_handling_ && it != receivers_.end();
/**/)
{
boost::system::error_code ec;
if((*it)->done(*this, ec))
{
if(!ec)
{
HPX_IBVERBS_RESET_EC(ec)
(*it)->async_read(ec);
}
}
if(ec == boost::asio::error::eof
|| ec == boost::asio::error::operation_aborted)
{
it = receivers_.erase(it);
continue;
}
++it;
}
time_recv += t.elapsed();
return !receivers_.empty();
}
void close(boost::system::error_code &ec)
{
if(!event_channel_)
{
HPX_IBVERBS_RESET_EC(ec);
return;
}
if(event_channel_)
{
rdma_destroy_event_channel(event_channel_);
event_channel_ = 0;
}
else {
HPX_IBVERBS_THROWS_IF(ec, boost::asio::error::not_connected);
}
if(listener_)
{
rdma_destroy_id(listener_);
listener_ = 0;
}
HPX_IBVERBS_RESET_EC(ec);
}
void bind(
boost::asio::ip::tcp::endpoint const & ep
, boost::system::error_code &ec)
{
if(event_channel_)
{
HPX_IBVERBS_THROWS_IF(ec, boost::asio::error::already_connected);
}
else
{
event_channel_ = rdma_create_event_channel();
if(!event_channel_)
{
int verrno = errno;
close(ec);
boost::system::error_code err(verrno, boost::system::system_category());
HPX_IBVERBS_THROWS_IF(
ec
, err
);
return;
}
set_nonblocking(event_channel_->fd, ec);
if(ec)
{
close(ec);
return;
}
int ret = 0;
ret = rdma_create_id(event_channel_, &listener_, NULL, RDMA_PS_TCP);
if(ret)
{
int verrno = errno;
close(ec);
boost::system::error_code err(verrno, boost::system::system_category());
HPX_IBVERBS_THROWS_IF(
ec
, err
);
return;
}
std::string host = ep.address().to_string();
std::string port = boost::lexical_cast<std::string>(ep.port());
addrinfo *addr;
getaddrinfo(host.c_str(), port.c_str(), NULL, &addr);
ret = rdma_bind_addr(listener_, addr->ai_addr);
freeaddrinfo(addr);
if(ret)
{
int verrno = errno;
close(ec);
boost::system::error_code err(verrno, boost::system::system_category());
HPX_IBVERBS_THROWS_IF(
ec
, err
);
return;
}
ret = rdma_listen(listener_, 10); /* backlog = 10 is arbitrary */
if(ret)
{
int verrno = errno;
close(ec);
boost::system::error_code err(verrno, boost::system::system_category());
HPX_IBVERBS_THROWS_IF(
ec
, err
);
return;
}
HPX_IBVERBS_RESET_EC(ec);
}
}
