private void add_peer(ICommPeer peer)
{
var peers = _peers;
var newPeers = new List<ICommPeer>(peers);
newPeers.Add(peer);
_counters.Vcall_State_ActivePeers++;
_peers = newPeers;
}
// user arbitrary thread
void IEngine.ClosePeer(int timeout, ICommPeer peer, IDoneEvent observer)
{
lock (_self.mutex)
{
_self.repo.Remove(peer);
_self.counters.Vcall_Event_CloseCommPeer++;
}
_self.resolver.Cancel(peer.Tag);
peer.Stop(timeout, observer);
}
private void remove_peer(ICommPeer peerToRemove)
{
var peers = _peers;
var newPeers =
from peer in peers
where !ReferenceEquals(peer, peerToRemove)
select peer;
_counters.Vcall_State_ActivePeers--;
_peers = newPeers.ToList();
}
void IRepository.Remove(ICommPeer peer)
{
remove_peer(peer);
}
void IRepository.Add(ICommPeer peer)
{
add_peer(peer);
}
private void close_comm_peers(ICommPeer[] peers)
{
int timeout = _self.vconfig.Timeouts.PeerClosing;
int wcfTimeout = _self.vconfig.Timeouts.WcfHostClosing;
var observer = DoneEvent.New(peers.Length);
foreach (var peer in peers)
{
trace("closing peer.{0}", peer.Tag);
_engine.ClosePeer(wcfTimeout, peer, observer);
}
if (observer.Wait(timeout) == false)
{
int notReadyCount = observer.NotReadyCount;
lock (_self.mutex)
_self.counters.Vcall_Error_CloseCommPeer += notReadyCount;
if (notReadyCount == 1)
warn("Failed to stop peer.{0} (timeout={1})", peers[0].Tag, timeout);
else
warn("Failed to stop {0} peers (timeout={1})", notReadyCount, timeout);
}
else
{
if (peers.Length == 1)
trace("peer.{0} is closed", peers[0].Tag);
else
trace("{0} peers are closed", peers.Length);
}
}
// user arbitrary thread
void IVcallSubsystem.Close(ICommPeer peer)
{
close_comm_peers(new[] {peer});
}