private IList <MembershipEvent> DetectMembershipEvents(IDictionary <string, IMember> prevMembers)
{
IList <MembershipEvent> events = new List <MembershipEvent>();
var eventMembers = GetMembers();
foreach (var member in _members)
{
IMember former;
prevMembers.TryGetValue(member.GetUuid(), out former);
if (former == null)
{
events.Add(new MembershipEvent(_client.GetCluster(), member, MembershipEvent.MemberAdded,
eventMembers));
}
else
{
prevMembers.Remove(member.GetUuid());
}
}
foreach (var member in prevMembers.Values)
{
events.Add(new MembershipEvent(_client.GetCluster(), member, MembershipEvent.MemberRemoved, eventMembers));
var address = member.GetAddress();
if (_clusterService.GetMember(address) == null)
{
var connection = _connectionManager.GetConnection(address);
if (connection != null)
{
_connectionManager.DestroyConnection(connection, new TargetDisconnectedException(address, "member left the cluster."));
}
}
}
return(events);
}
private IList <MembershipEvent> DetectMembershipEvents(ISet <IMember> prevMembers)
{
var events = new List <MembershipEvent>();
var eventMembers = ImmutableSetOfMembers();
var newMembers = new LinkedList <IMember>();
foreach (var member in _members)
{
if (!prevMembers.Remove(member))
{
newMembers.AddLast(member);
}
}
// removal events should be added before added events
foreach (var member in prevMembers)
{
events.Add(new MembershipEvent(_client.GetCluster(), member, MembershipEvent.MemberRemoved, eventMembers));
var address = member.GetAddress();
if (_clusterService.GetMember(address) == null)
{
var connection = _connectionManager.GetConnection(address);
if (connection != null)
{
_connectionManager.DestroyConnection(connection, new TargetDisconnectedException(address, "member left the cluster."));
}
}
}
foreach (var member in newMembers)
{
events.Add(new MembershipEvent(_client.GetCluster(), member, MembershipEvent.MemberAdded, eventMembers));
}
return(events);
}
private void MemberRemoved(IMember member)
{
_members.Remove(member);
ApplyMemberListChanges();
var connection = _connectionManager.GetConnection(member.GetAddress());
if (connection != null)
{
_connectionManager.DestroyConnection(connection);
}
var @event = new MembershipEvent(_client.GetCluster(), member, MembershipEvent.MemberRemoved, GetMembers());
_clusterService.FireMembershipEvent(@event);
}
public void HeartBeatStopped(ClientConnection connection)
{
if (connection.GetAddress().Equals(OwnerConnectionAddress))
{
_connectionManager.DestroyConnection(connection, new TargetDisconnectedException(OwnerConnectionAddress));
}
}