private void ChangeMembershipShardwide(MembershipChangeArgs args)
{
Message message = new Message();
message.NeedsResponse = false;
message.MessageType = MessageType.MembershipOperation;
//Since, in order to handle deadlock scenarios, the message cannot be sent to the local node,
// this method is being called in its stead.
((LocalShard)_shard).OnMembershipChanged(args);
message.Payload = args;
IList <Server> activeList = new List <Server>();
foreach (var node in _shard.ActiveChannelsList)
{
if (!node.Address.Equals(_context.LocalAddress))
{
activeList.Add(node);
}
}
ShardMulticastRequest <ResponseCollection <object>, object> request = _shard.CreateMulticastRequest <ResponseCollection <object>, object>(activeList, message);
IAsyncResult asyncResult = request.BeginExecute();
request.EndExecute(asyncResult);
}
public IDictionary <String, IResponseCollection <T> > SendMessageToAllShards <T>(Message message, bool primaryOnly)
{
IDictionary <String, IResponseCollection <T> > responses = new HashVector <String, IResponseCollection <T> >();
IDictionary <String, RequestAsync> asyncResults = new HashVector <String, RequestAsync>();
foreach (String shard in _remoteShards.Keys)
{
IShard dest = GetShardInstance(shard);
if (dest != null)
{
try
{
if (primaryOnly)
{
ShardRequestBase <T> request = dest.CreateUnicastRequest <T>(dest.Primary, message);
asyncResults.Add(shard, new RequestAsync(request.BeginExecute(), request, dest.Primary));
}
else
{
ShardMulticastRequest <ResponseCollection <T>, T> multicastRequest = dest.CreateMulticastRequest <ResponseCollection <T>, T>(dest.ActiveChannelsList, message);
asyncResults.Add(shard, new RequestAsync(multicastRequest.BeginExecute(), multicastRequest));
}
}
catch (Exception ex)
{
}
}
}
foreach (KeyValuePair <String, RequestAsync> pair in asyncResults)
{
String shardName = pair.Key;
IResponseCollection <T> shardResponse = new ResponseCollection <T>();
if (primaryOnly)
{
ShardRequestBase <T> req = pair.Value.Request;
IClusterResponse <T> clusterResponse = new ClusterResponse <T>(req.EndExecute(pair.Value.AsyncResult), pair.Value.Destination);
IList <IClusterResponse <T> > list = new List <IClusterResponse <T> >();
list.Add(clusterResponse);
shardResponse.Responses = list;
}
else
{
ShardMulticastRequest <ResponseCollection <T>, T> req = pair.Value.Request;
shardResponse = req.EndExecute(pair.Value.AsyncResult);
}
responses.Add(shardName, shardResponse);
}
return(responses);
}
internal ResponseCollection <object> MulticastRequest(Object data)
{
Message message = new Message();
message.Payload = data;
message.NeedsResponse = true;
message.MessageType = MessageType.MembershipOperation;
ShardMulticastRequest <ResponseCollection <object>, object> request = _shard.CreateMulticastRequest <ResponseCollection <object>, object>(_shard.ActiveChannelsList, message);
IAsyncResult result = request.BeginExecute();
return(request.EndExecute(result));
}
public IResponseCollection <T> SendMessageToAllServers <T>(string shard, Message message)
{
IShard dest = GetShardInstance(shard);
if (dest != null)
{
ShardMulticastRequest <ResponseCollection <T>, T> multicastRequest = dest.CreateMulticastRequest <ResponseCollection <T>, T>(dest.ActiveChannelsList, message);
IAsyncResult asyncResult = multicastRequest.BeginExecute();
return(multicastRequest.EndExecute(asyncResult));
}
throw new ArgumentException("Specified Shard Does not exist");
}
internal void SendHeartbeat(HeartbeatInfo info)
{
List <Server> list = new List <Server>();
if (_shard != null && _shard.ActiveChannelsList != null)
{
Message msg = new Message();
msg.MessageType = MessageType.Heartbeat;
msg.Payload = info;
msg.NeedsResponse = false;
ShardMulticastRequest <ResponseCollection <object>, object> request = _shard.CreateMulticastRequest <ResponseCollection <object>, object>(_shard.ActiveChannelsList, msg);
IAsyncResult result = request.BeginExecute();
ResponseCollection <Object> response = request.EndExecute(result);
}
}
