public void UpdateServers(string serverId, string serverUrl)
{
ServerUrlMapping.AddServerToServerUrlMapping(serverId, serverUrl);
if (pcsRole == "server")
{
server.UpdateServersContext(ServerUrlMapping.serverUrlMapping);
}
else if (pcsRole == "client")
{
client.UpdateServersContext(ServerUrlMapping.serverUrlMapping);
}
}
private void attachServer(string server_id)
{
if (debug_console)
{
Console.WriteLine("Attaching to server with id: " + server_id);
}
string url = ServerUrlMapping.GetServerUrl(server_id);
if (debug_console)
{
Console.WriteLine("Server URL is: " + url);
}
channel = GrpcChannel.ForAddress(url);
client = new DataStoreService.DataStoreServiceClient(channel);
attached_server_id = server_id;
}
private bool HandleCrashedServer(string crashed_server_id)
{
Console.WriteLine("--------------------");
Console.WriteLine(">>> CLIENT: Notify Crash... " + crashed_server_id);
Console.WriteLine(">>> The server is not responding. It seems to have crashed. ServerID: " + crashed_server_id);
Console.WriteLine("--------------------");
if (NotifyPartitionsAboutCrashedServerAndReattachNewMaster(crashed_server_id))
{
PartitionMapping.RemoveCrashedServerFromAllPartitions(crashed_server_id);
ServerUrlMapping.RemoveCrashedServer(crashed_server_id);
Console.WriteLine("--------------------");
return(true);
}
return(false);
}
private void updateConnectionToReplicas(string partition_id)
{
string[] replicas = PartitionMapping.GetPartitionReplicas(partition_id);
foreach (string replica in replicas)
{
GrpcChannel channel;
if (replica_channels.TryGetValue(replica, out channel))
{
channel.ShutdownAsync();
}
string url = ServerUrlMapping.GetServerUrl(replica);
channel = GrpcChannel.ForAddress(url);
replica_channels[replica] = channel;
replica_clients[replica] = new ServerCommunicationService.ServerCommunicationServiceClient(channel);
}
}
public void UpdateServersContext(Dictionary <string, string> serverUrlMapping)
{
ServerUrlMapping.CreateServerUrlMapping(serverUrlMapping);
}