/// <summary>
/// Creates a new server manager.
/// </summary>
/// <param name="serverSettings">The server's main configuration.</param>
/// <param name="serverRegistrySettings">The server's registry configuration.</param>
/// <param name="clusterSpawnData">The cluster configuration</param>
/// <param name="networkListenerManager">The server's network listener manager.</param>
/// <param name="threadHelper">The server's thread helper.</param>
/// <param name="serverRegistryConnectorManager">The server's registry connector manager.</param>
/// <param name="logManager">The server's log manager.</param>
/// <param name="logger">The logger to use.</param>
/// <param name="metricsManager">The server's metrics manager.</param>
internal RemoteServerManager(ServerSpawnData.ServerSettings serverSettings, ServerSpawnData.ServerRegistrySettings serverRegistrySettings, ClusterSpawnData clusterSpawnData, NetworkListenerManager networkListenerManager, DarkRiftThreadHelper threadHelper, ServerRegistryConnectorManager serverRegistryConnectorManager, LogManager logManager, Logger logger, MetricsManager metricsManager)
{
this.AdvertisedHost = serverRegistrySettings.AdvertisedHost;
this.AdvertisedPort = serverRegistrySettings.AdvertisedPort;
this.networkListenerManager = networkListenerManager;
this.serverRegistryConnectorManager = serverRegistryConnectorManager;
this.logger = logger;
this.Group = serverSettings.ServerGroup;
if (!string.IsNullOrEmpty(serverSettings.ServerGroup))
{
if (serverRegistrySettings.AdvertisedHost == null || serverRegistrySettings.AdvertisedPort == 0)
{
throw new ArgumentException("Cannot start server clustering without an advertised host and port. Consider setting the 'advertisedHost' and 'advertisedPort' properties in configuration.");
}
// Find our group
ClusterSpawnData.GroupsSettings.GroupSettings ourGroup = null;
foreach (ClusterSpawnData.GroupsSettings.GroupSettings groupSettings in clusterSpawnData.Groups.Groups)
{
if (groupSettings.Name == serverSettings.ServerGroup)
{
ourGroup = groupSettings;
break;
}
}
if (ourGroup == null)
{
throw new ArgumentException($"The group specified to own this server '{serverSettings.ServerGroup}' is not present in the cluster configuration. Consider adding this group to the cluster configuration or moving the server to an existing group.");
}
this.Visibility = ourGroup.Visibility;
// Build relationships to other groups
foreach (ClusterSpawnData.GroupsSettings.GroupSettings groupSettings in clusterSpawnData.Groups.Groups)
{
ClusterSpawnData.GroupsSettings.GroupSettings.ConnectsToSettings ourGroupConnectsTo = ourGroup.ConnectsTo.FirstOrDefault(c => c.Name == groupSettings.Name);
ClusterSpawnData.GroupsSettings.GroupSettings.ConnectsToSettings connectsToOurGroup = groupSettings.ConnectsTo.FirstOrDefault(c => c.Name == ourGroup.Name);
IModifiableServerGroup serverGroup;
if (ourGroupConnectsTo != null)
{
serverGroup = new UpstreamServerGroup(groupSettings.Name, groupSettings.Visibility, threadHelper, serverRegistryConnectorManager, this, serverSettings.ReconnectAttempts, logManager.GetLoggerFor(nameof(UpstreamServerGroup)), logManager.GetLoggerFor(nameof(UpstreamRemoteServer)), metricsManager.GetMetricsCollectorFor(nameof(UpstreamServerGroup)), metricsManager.GetMetricsCollectorFor(nameof(UpstreamRemoteServer)));
}
else if (connectsToOurGroup != null)
{
serverGroup = new DownstreamServerGroup(groupSettings.Name, groupSettings.Visibility, threadHelper, logManager.GetLoggerFor(nameof(DownstreamServerGroup)), logManager.GetLoggerFor(nameof(DownstreamRemoteServer)), metricsManager.GetMetricsCollectorFor(nameof(DownstreamServerGroup)), metricsManager.GetMetricsCollectorFor(nameof(DownstreamRemoteServer)));
}
else
{
continue;
}
groups.Add(groupSettings.Name, serverGroup);
}
}
}
/// <summary>
/// Creates a new remote server.
/// </summary>
/// <param name="remoteServerManager">The remote server manager for the server.</param>
/// <param name="id">The ID of the server.</param>
/// <param name="host">The host connected to.</param>
/// <param name="port">The port connected to.</param>
/// <param name="group">The group the server belongs to.</param>
/// <param name="threadHelper">The thread helper to use.</param>
/// <param name="logger">The logger to use.</param>
/// <param name="metricsCollector">The metrics collector to use.</param>
internal UpstreamRemoteServer(RemoteServerManager remoteServerManager, ushort id, string host, ushort port, UpstreamServerGroup group, DarkRiftThreadHelper threadHelper, Logger logger, MetricsCollector metricsCollector)
{
this.remoteServerManager = remoteServerManager;
this.ID = id;
this.Host = host;
this.Port = port;
this.serverGroup = group;
this.threadHelper = threadHelper;
this.logger = logger;
messagesSentCounter = metricsCollector.Counter("messages_sent", "The number of messages sent to remote servers.", "group").WithTags(group.Name);
messagesReceivedCounter = metricsCollector.Counter("messages_received", "The number of messages received from remote servers.", "group").WithTags(group.Name);
messageReceivedEventTimeHistogram = metricsCollector.Histogram("message_received_event_time", "The time taken to execute the MessageReceived event.", "group").WithTags(group.Name);
messageReceivedEventFailuresCounter = metricsCollector.Counter("message_received_event_failures", "The number of failures executing the MessageReceived event.", "group").WithTags(group.Name);
serverConnectedEventTimeHistogram = metricsCollector.Histogram("remote_server_connected_event_time", "The time taken to execute the ServerConnected event.", "group").WithTags(group.Name);
serverDisconnectedEventTimeHistogram = metricsCollector.Histogram("remote_server_disconnected_event_time", "The time taken to execute the ServerDisconnected event.", "group").WithTags(group.Name);
serverConnectedEventFailuresCounter = metricsCollector.Counter("remote_server_connected_event_failures", "The number of failures executing the ServerConnected event.", "group").WithTags(group.Name);
serverDisconnectedEventFailuresCounter = metricsCollector.Counter("remote_server_disconnected_event_failures", "The number of failures executing the ServerDisconnected event.", "group").WithTags(group.Name);
}
