void send (PeerFinder::Slot::ptr const& slot,
std::vector <PeerFinder::Endpoint> const& endpoints)
{
typedef std::vector <PeerFinder::Endpoint> List;
protocol::TMEndpoints tm;
for (List::const_iterator iter (endpoints.begin());
iter != endpoints.end(); ++iter)
{
PeerFinder::Endpoint const& ep (*iter);
protocol::TMEndpoint& tme (*tm.add_endpoints());
if (ep.address.is_v4())
tme.mutable_ipv4()->set_ipv4(
toNetworkByteOrder (ep.address.to_v4().value));
else
tme.mutable_ipv4()->set_ipv4(0);
tme.mutable_ipv4()->set_ipv4port (ep.address.port());
tme.set_hops (ep.hops);
}
tm.set_version (1);
PackedMessage::pointer msg (
boost::make_shared <PackedMessage> (
tm, protocol::mtENDPOINTS));
{
std::lock_guard <decltype(m_mutex)> lock (m_mutex);
PeersBySlot::iterator const iter (m_peers.find (slot));
assert (iter != m_peers.end ());
PeerImp::ptr const peer (iter->second.lock());
assert (peer != nullptr);
peer->sendPacket (msg, false);
}
}
/** Close all peer connections.
If `graceful` is true then active
Requirements:
Caller must hold the mutex.
*/
void close_all (bool graceful)
{
for (auto const& entry : m_peers)
{
PeerImp::ptr const peer (entry.second.lock());
assert (peer != nullptr);
peer->close (graceful);
}
}
void activate (PeerFinder::Slot::ptr const& slot)
{
m_journal.trace <<
"Activate " << slot->remote_endpoint();
std::lock_guard <decltype(m_mutex)> lock (m_mutex);
PeersBySlot::iterator const iter (m_peers.find (slot));
assert (iter != m_peers.end ());
PeerImp::ptr const peer (iter->second.lock());
assert (peer != nullptr);
peer->activate ();
}
/** Close all peer connections.
If `graceful` is true then active
Requirements:
Caller must hold the mutex.
*/
void
OverlayImpl::close_all (bool graceful)
{
for (auto const& entry : m_peers)
{
PeerImp::ptr const peer (entry.second.lock());
// VFALCO The only case where the weak_ptr is expired should be if
// ~PeerImp is pre-empted before it calls m_peers.remove()
//
if (peer != nullptr)
peer->close (graceful);
}
}
void disconnect (PeerFinder::Slot::ptr const& slot, bool graceful)
{
if (m_journal.trace) m_journal.trace <<
"Disconnect " << slot->remote_endpoint () <<
(graceful ? "gracefully" : "");
std::lock_guard <decltype(m_mutex)> lock (m_mutex);
PeersBySlot::iterator const iter (m_peers.find (slot));
assert (iter != m_peers.end ());
PeerImp::ptr const peer (iter->second.lock());
assert (peer != nullptr);
peer->close (graceful);
//peer->detach ("disc", false);
}
void OverlayImpl::accept (bool proxyHandshake, socket_type&& socket)
{
// An error getting an endpoint means the connection closed.
// Just do nothing and the socket will be closed by the caller.
boost::system::error_code ec;
auto const local_endpoint_native (socket.local_endpoint (ec));
if (ec)
return;
auto const remote_endpoint_native (socket.remote_endpoint (ec));
if (ec)
return;
auto const local_endpoint (
beast::IPAddressConversion::from_asio (local_endpoint_native));
auto const remote_endpoint (
beast::IPAddressConversion::from_asio (remote_endpoint_native));
PeerFinder::Slot::ptr const slot (m_peerFinder->new_inbound_slot (
local_endpoint, remote_endpoint));
if (slot == nullptr)
return;
MultiSocket::Flag flags (
MultiSocket::Flag::server_role | MultiSocket::Flag::ssl_required);
if (proxyHandshake)
flags = flags.with (MultiSocket::Flag::proxy);
PeerImp::ptr const peer (boost::make_shared <PeerImp> (
std::move (socket), remote_endpoint, *this, m_resourceManager,
*m_peerFinder, slot, m_ssl_context, flags));
{
std::lock_guard <decltype(m_mutex)> lock (m_mutex);
{
std::pair <PeersBySlot::iterator, bool> const result (
m_peers.emplace (slot, peer));
assert (result.second);
}
++m_child_count;
// This has to happen while holding the lock,
// otherwise the socket might not be canceled during a stop.
peer->start ();
}
}
void
OverlayImpl::connect (beast::IP::Endpoint const& remote_endpoint)
{
if (isStopping())
{
m_journal.debug <<
"Skipping " << remote_endpoint <<
" connect on stop";
return;
}
PeerFinder::Slot::ptr const slot (
m_peerFinder->new_outbound_slot (remote_endpoint));
if (slot == nullptr)
return;
MultiSocket::Flag const flags (
MultiSocket::Flag::client_role | MultiSocket::Flag::ssl);
PeerImp::ptr const peer (std::make_shared <PeerImp> (
remote_endpoint, m_io_service, *this, m_resourceManager,
*m_peerFinder, slot, m_ssl_context, flags));
{
std::lock_guard <decltype(m_mutex)> lock (m_mutex);
{
std::pair <PeersBySlot::iterator, bool> const result (
m_peers.emplace (slot, peer));
assert (result.second);
}
++m_child_count;
// This has to happen while holding the lock,
// otherwise the socket might not be canceled during a stop.
peer->start ();
}
}