void
flow_ssh_master_connect (FlowSshMaster *ssh_master)
{
FlowSshMasterPrivate *priv;
g_return_if_fail (FLOW_IS_SSH_MASTER (ssh_master));
priv = ssh_master->priv;
g_mutex_lock (priv->mutex);
if (priv->is_connecting)
goto out;
if (!is_master_supported (ssh_master))
priv->is_connected = TRUE;
if (priv->is_connected)
{
if (priv->fake_connect_idle_id == 0)
priv->fake_connect_idle_id = flow_idle_add_to_current_thread ((GSourceFunc) confirm_already_connected, ssh_master);
}
else
{
g_clear_error (&priv->connect_error);
connect_begin (ssh_master);
}
out:
g_mutex_unlock (priv->mutex);
}
parcelport_connection_ptr parcelport::create_connection(
naming::locality const& l, error_code& ec)
{
boost::asio::io_service& io_service = io_service_pool_.get_io_service();
// The parcel gets serialized inside the connection constructor, no
// need to keep the original parcel alive after this call returned.
parcelport_connection_ptr client_connection(
new parcelport_connection(io_service, here_, l,
data_buffer_cache_, parcels_sent_, ++connection_count_));
// Connect to the target locality, retry if needed
boost::system::error_code error = boost::asio::error::try_again;
for (std::size_t i = 0; i < HPX_MAX_NETWORK_RETRIES; ++i)
{
try {
naming::locality::iterator_type end = connect_end(l);
for (naming::locality::iterator_type it =
connect_begin(l, io_service);
it != end; ++it)
{
boost::asio::ip::tcp::endpoint const& ep = *it;
std::string fullname(ep.address().to_string() + "." +
boost::lexical_cast<std::string>(ep.port()));
parcelset::shmem::data_window& w = client_connection->window();
w.close();
w.connect(fullname, error);
if (!error)
break;
}
if (!error)
break;
// wait for a really short amount of time
this_thread::suspend();
}
catch (boost::system::system_error const& e) {
client_connection->window().close();
client_connection.reset();
HPX_THROWS_IF(ec, network_error,
"shmem::parcelport::get_connection", e.what());
return client_connection;
}
}
if (error) {
client_connection->window().close();
client_connection.reset();
hpx::util::osstream strm;
strm << error.message() << " (while trying to connect to: "
<< l << ")";
HPX_THROWS_IF(ec, network_error,
"shmem::parcelport::get_connection",
hpx::util::osstream_get_string(strm));
return client_connection;
}
if (&ec != &throws)
ec = make_success_code();
return client_connection;
}
parcelport_connection_ptr parcelport::create_connection(
naming::locality const& l, error_code& ec)
{
boost::asio::io_service& io_service = io_service_pool_.get_io_service();
// The parcel gets serialized inside the connection constructor, no
// need to keep the original parcel alive after this call returned.
parcelport_connection_ptr client_connection(new parcelport_connection(
io_service, l, parcels_sent_));
// Connect to the target locality, retry if needed
boost::system::error_code error = boost::asio::error::try_again;
for (std::size_t i = 0; i < HPX_MAX_NETWORK_RETRIES; ++i)
{
try {
naming::locality::iterator_type end = connect_end(l);
for (naming::locality::iterator_type it =
connect_begin(l, io_service);
it != end; ++it)
{
boost::asio::ip::tcp::endpoint const& ep = *it;
parcelset::ibverbs::client_context& ctx = client_connection->context();
ctx.close();
ctx.connect(ep, error);
if (!error)
break;
}
if (!error)
break;
// wait for a really short amount of time
if (hpx::threads::get_self_ptr()) {
this_thread::suspend();
}
else {
boost::this_thread::sleep(boost::get_system_time() +
boost::posix_time::milliseconds(
HPX_NETWORK_RETRIES_SLEEP));
}
}
catch (boost::system::system_error const& e) {
client_connection->context().close();
client_connection.reset();
HPX_THROWS_IF(ec, network_error,
"ibverbs::parcelport::get_connection", e.what());
return client_connection;
}
}
if (error) {
client_connection->context().close();
client_connection.reset();
hpx::util::osstream strm;
strm << error.message() << " (while trying to connect to: "
<< l << ")";
HPX_THROWS_IF(ec, network_error,
"ibverbs::parcelport::get_connection",
hpx::util::osstream_get_string(strm));
return client_connection;
}
if (&ec != &throws)
ec = make_success_code();
return client_connection;
}
boost::shared_ptr<sender> connection_handler::create_connection(
naming::locality const& l, error_code& ec)
{
boost::asio::io_service& io_service = io_service_pool_.get_io_service(0);
boost::shared_ptr<sender> sender_connection(new sender(*this, memory_pool_, l, parcels_sent_));
// Connect to the target locality, retry if needed
boost::system::error_code error = boost::asio::error::try_again;
for (std::size_t i = 0; i < HPX_MAX_NETWORK_RETRIES; ++i)
{
try {
naming::locality::iterator_type end = connect_end(l);
for (naming::locality::iterator_type it =
connect_begin(l, io_service, true);
it != end; ++it)
{
boost::asio::ip::tcp::endpoint const& ep = *it;
client_context& ctx = sender_connection->context();
ctx.close(ec);
ctx.connect(*this, ep, error);
if (!error)
break;
}
if (!error)
break;
// wait for a really short amount of time
if (hpx::threads::get_self_ptr()) {
this_thread::suspend(hpx::threads::pending,
"connection_handler(ibverbs)::create_connection");
}
else {
boost::this_thread::sleep(boost::get_system_time() +
boost::posix_time::milliseconds(
HPX_NETWORK_RETRIES_SLEEP));
}
}
catch (boost::system::system_error const& e) {
sender_connection->context().close(ec);
sender_connection.reset();
HPX_THROWS_IF(ec, network_error,
"ibverbs::parcelport::create_connection", e.what());
return sender_connection;
}
}
if (error) {
sender_connection->context().close(ec);
sender_connection.reset();
hpx::util::osstream strm;
strm << error.message() << " (while trying to connect to: "
<< l << ")";
HPX_THROWS_IF(ec, network_error,
"ibverbs::parcelport::create_connection",
hpx::util::osstream_get_string(strm));
return sender_connection;
}
if (&ec != &throws)
ec = make_success_code();
return sender_connection;
}
endpoint_iterator_type connect_begin(Locality const& loc,
boost::asio::io_service& io_service)
{
return connect_begin(loc.address(), loc.port(), io_service);
}