void AOnlineBeaconHost::NotifyControlMessage(UNetConnection* Connection, uint8 MessageType, class FInBunch& Bunch)
{
if(NetDriver->ServerConnection == NULL)
{
bool bCloseConnection = false;
// We are the server.
#if !(UE_BUILD_SHIPPING && WITH_EDITOR)
UE_LOG(LogNet, Verbose, TEXT("Beacon: Host received: %s"), FNetControlMessageInfo::GetName(MessageType));
#endif
switch (MessageType)
{
case NMT_Hello:
{
UE_LOG(LogNet, Log, TEXT("Beacon Hello"));
uint8 IsLittleEndian;
int32 RemoteMinVer, RemoteVer;
FGuid RemoteGameGUID;
FNetControlMessage<NMT_Hello>::Receive(Bunch, IsLittleEndian, RemoteMinVer, RemoteVer, RemoteGameGUID);
if (!IsNetworkCompatible(Connection->Driver->RequireEngineVersionMatch, RemoteVer, RemoteMinVer))
{
FNetControlMessage<NMT_Upgrade>::Send(Connection, GEngineMinNetVersion, GEngineNetVersion);
bCloseConnection = true;
}
else
{
Connection->NegotiatedVer = FMath::Min(RemoteVer, GEngineNetVersion);
// Make sure the server has the same GameGUID as we do
if( RemoteGameGUID != GetDefault<UGeneralProjectSettings>()->ProjectID )
{
FString ErrorMsg = NSLOCTEXT("NetworkErrors", "ServerHostingDifferentGame", "Incompatible game connection.").ToString();
FNetControlMessage<NMT_Failure>::Send(Connection, ErrorMsg);
bCloseConnection = true;
break;
}
Connection->Challenge = FString::Printf(TEXT("%08X"), FPlatformTime::Cycles());
FNetControlMessage<NMT_BeaconWelcome>::Send(Connection);
Connection->FlushNet();
}
break;
}
case NMT_Netspeed:
{
int32 Rate;
FNetControlMessage<NMT_Netspeed>::Receive(Bunch, Rate);
Connection->CurrentNetSpeed = FMath::Clamp(Rate, 1800, NetDriver->MaxClientRate);
UE_LOG(LogNet, Log, TEXT("Beacon: Client netspeed is %i"), Connection->CurrentNetSpeed);
break;
}
case NMT_BeaconJoin:
{
FString ErrorMsg;
FString BeaconType;
FNetControlMessage<NMT_BeaconJoin>::Receive(Bunch, BeaconType);
UE_LOG(LogNet, Log, TEXT("Beacon Join %s"), *BeaconType);
if (Connection->ClientWorldPackageName == NAME_None)
{
AOnlineBeaconClient* ClientActor = GetClientActor(Connection);
if (ClientActor == NULL)
{
UWorld* World = GetWorld();
Connection->ClientWorldPackageName = World->GetOutermost()->GetFName();
AOnlineBeaconClient* NewClientActor = SpawnBeaconActor();
if (NewClientActor && BeaconType == NewClientActor->GetBeaconType())
{
FNetworkGUID NetGUID = Connection->PackageMap->AssignNewNetGUID(NewClientActor);
NewClientActor->SetNetConnection(Connection);
Connection->OwningActor = NewClientActor;
NewClientActor->Role = ROLE_None;
NewClientActor->SetReplicates(false);
ClientActors.Add(NewClientActor);
FNetControlMessage<NMT_BeaconAssignGUID>::Send(Connection, NetGUID);
}
else
{
ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnFailureError", "Join failure, Couldn't spawn beacon.").ToString();
}
}
else
{
ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnExistingActorError", "Join failure, existing beacon actor.").ToString();;
}
}
else
{
ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnClientWorldPackageNameError", "Join failure, existing ClientWorldPackageName.").ToString();;
}
if (!ErrorMsg.IsEmpty())
{
UE_LOG(LogNet, Log, TEXT("%s"), *ErrorMsg);
FNetControlMessage<NMT_Failure>::Send(Connection, ErrorMsg);
bCloseConnection = true;
}
break;
}
case NMT_BeaconNetGUIDAck:
{
FString BeaconType;
FNetControlMessage<NMT_BeaconNetGUIDAck>::Receive(Bunch, BeaconType);
AOnlineBeaconClient* ClientActor = GetClientActor(Connection);
if (ClientActor && BeaconType == ClientActor->GetBeaconType())
{
ClientActor->Role = ROLE_Authority;
ClientActor->SetReplicates(true);
ClientActor->SetAutonomousProxy(true);
// Send an RPC to the client to open the actor channel and guarantee RPCs will work
ClientActor->ClientOnConnected();
UE_LOG(LogNet, Log, TEXT("Beacon Handshake complete!"));
FOnBeaconConnected* OnBeaconConnectedDelegate = OnBeaconConnectedMapping.Find(FName(*BeaconType));
if (OnBeaconConnectedDelegate)
{
OnBeaconConnectedDelegate->ExecuteIfBound(ClientActor, Connection);
}
}
else
{
// Failed to connect.
FString ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnNetGUIDAckError", "Join failure, no actor at NetGUIDAck.").ToString();
UE_LOG(LogNet, Log, TEXT("%s"), *ErrorMsg);
FNetControlMessage<NMT_Failure>::Send(Connection, ErrorMsg);
bCloseConnection = true;
}
break;
}
case NMT_BeaconWelcome:
case NMT_BeaconAssignGUID:
default:
{
FString ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnUnexpectedError", "Join failure, unexpected control message.").ToString();
UE_LOG(LogNet, Log, TEXT("%s"), *ErrorMsg);
FNetControlMessage<NMT_Failure>::Send(Connection, ErrorMsg);
bCloseConnection = true;
}
break;
}
if (bCloseConnection)
{
AOnlineBeaconClient* ClientActor = GetClientActor(Connection);
if (ClientActor)
{
RemoveClientActor(ClientActor);
}
Connection->FlushNet(true);
Connection->Close();
}
}
}
void AOnlineBeaconHost::NotifyControlMessage(UNetConnection* Connection, uint8 MessageType, class FInBunch& Bunch)
{
if(NetDriver->ServerConnection == nullptr)
{
bool bCloseConnection = false;
// We are the server.
#if !(UE_BUILD_SHIPPING && WITH_EDITOR)
UE_LOG(LogBeacon, Verbose, TEXT("%s[%s] Host received: %s"), *GetName(), Connection ? *Connection->GetName() : TEXT("Invalid"), FNetControlMessageInfo::GetName(MessageType));
#endif
switch (MessageType)
{
case NMT_Hello:
{
UE_LOG(LogBeacon, Log, TEXT("Beacon Hello"));
uint8 IsLittleEndian;
uint32 RemoteNetworkVersion = 0;
uint32 LocalNetworkVersion = FNetworkVersion::GetLocalNetworkVersion();
FNetControlMessage<NMT_Hello>::Receive(Bunch, IsLittleEndian, RemoteNetworkVersion);
if (!FNetworkVersion::IsNetworkCompatible(LocalNetworkVersion, RemoteNetworkVersion))
{
UE_LOG(LogBeacon, Log, TEXT("Client not network compatible %s"), *Connection->GetName());
FNetControlMessage<NMT_Upgrade>::Send(Connection, LocalNetworkVersion);
bCloseConnection = true;
}
else
{
Connection->Challenge = FString::Printf(TEXT("%08X"), FPlatformTime::Cycles());
FNetControlMessage<NMT_BeaconWelcome>::Send(Connection);
Connection->FlushNet();
}
break;
}
case NMT_Netspeed:
{
int32 Rate;
FNetControlMessage<NMT_Netspeed>::Receive(Bunch, Rate);
Connection->CurrentNetSpeed = FMath::Clamp(Rate, 1800, NetDriver->MaxClientRate);
UE_LOG(LogBeacon, Log, TEXT("Client netspeed is %i"), Connection->CurrentNetSpeed);
break;
}
case NMT_BeaconJoin:
{
FString ErrorMsg;
FString BeaconType;
FUniqueNetIdRepl UniqueId;
FNetControlMessage<NMT_BeaconJoin>::Receive(Bunch, BeaconType, UniqueId);
UE_LOG(LogBeacon, Log, TEXT("Beacon Join %s %s"), *BeaconType, *UniqueId.ToDebugString());
if (Connection->ClientWorldPackageName == NAME_None)
{
AOnlineBeaconClient* ClientActor = GetClientActor(Connection);
if (ClientActor == nullptr)
{
UWorld* World = GetWorld();
Connection->ClientWorldPackageName = World->GetOutermost()->GetFName();
AOnlineBeaconClient* NewClientActor = nullptr;
FOnBeaconSpawned* OnBeaconSpawnedDelegate = OnBeaconSpawnedMapping.Find(BeaconType);
if (OnBeaconSpawnedDelegate && OnBeaconSpawnedDelegate->IsBound())
{
NewClientActor = OnBeaconSpawnedDelegate->Execute(Connection);
}
if (NewClientActor && BeaconType == NewClientActor->GetBeaconType())
{
NewClientActor->SetConnectionState(EBeaconConnectionState::Pending);
FNetworkGUID NetGUID = Connection->Driver->GuidCache->AssignNewNetGUID_Server(NewClientActor);
NewClientActor->SetNetConnection(Connection);
Connection->PlayerId = UniqueId;
Connection->OwningActor = NewClientActor;
NewClientActor->Role = ROLE_Authority;
NewClientActor->SetReplicates(false);
check(NetDriverName == NetDriver->NetDriverName);
NewClientActor->SetNetDriverName(NetDriverName);
ClientActors.Add(NewClientActor);
FNetControlMessage<NMT_BeaconAssignGUID>::Send(Connection, NetGUID);
}
else
{
ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnFailureError", "Join failure, Couldn't spawn beacon.").ToString();
}
}
else
{
ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnExistingActorError", "Join failure, existing beacon actor.").ToString();
}
}
else
{
ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnClientWorldPackageNameError", "Join failure, existing ClientWorldPackageName.").ToString();
}
if (!ErrorMsg.IsEmpty())
{
UE_LOG(LogBeacon, Log, TEXT("%s: %s"), *Connection->GetName(), *ErrorMsg);
FNetControlMessage<NMT_Failure>::Send(Connection, ErrorMsg);
bCloseConnection = true;
}
break;
}
case NMT_BeaconNetGUIDAck:
{
FString ErrorMsg;
FString BeaconType;
FNetControlMessage<NMT_BeaconNetGUIDAck>::Receive(Bunch, BeaconType);
AOnlineBeaconClient* ClientActor = GetClientActor(Connection);
if (ClientActor && BeaconType == ClientActor->GetBeaconType())
{
FOnBeaconConnected* OnBeaconConnectedDelegate = OnBeaconConnectedMapping.Find(BeaconType);
if (OnBeaconConnectedDelegate)
{
ClientActor->SetReplicates(true);
ClientActor->SetAutonomousProxy(true);
ClientActor->SetConnectionState(EBeaconConnectionState::Open);
// Send an RPC to the client to open the actor channel and guarantee RPCs will work
ClientActor->ClientOnConnected();
UE_LOG(LogBeacon, Log, TEXT("Handshake complete for %s!"), *ClientActor->GetName());
OnBeaconConnectedDelegate->ExecuteIfBound(ClientActor, Connection);
}
else
{
// Failed to connect.
ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnNetGUIDAckError1", "Join failure, no host object at NetGUIDAck.").ToString();
}
}
else
{
// Failed to connect.
ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnNetGUIDAckError2", "Join failure, no actor at NetGUIDAck.").ToString();
}
if (!ErrorMsg.IsEmpty())
{
UE_LOG(LogBeacon, Log, TEXT("%s: %s"), *Connection->GetName(), *ErrorMsg);
FNetControlMessage<NMT_Failure>::Send(Connection, ErrorMsg);
bCloseConnection = true;
}
break;
}
case NMT_BeaconWelcome:
case NMT_BeaconAssignGUID:
default:
{
FString ErrorMsg = NSLOCTEXT("NetworkErrors", "BeaconSpawnUnexpectedError", "Join failure, unexpected control message.").ToString();
UE_LOG(LogBeacon, Log, TEXT("%s: %s"), *Connection->GetName(), *ErrorMsg);
FNetControlMessage<NMT_Failure>::Send(Connection, ErrorMsg);
bCloseConnection = true;
}
break;
}
if (bCloseConnection)
{
UE_LOG(LogBeacon, Verbose, TEXT("Closing connection %s: %s"), *Connection->GetName(), *Connection->PlayerId.ToDebugString());
AOnlineBeaconClient* ClientActor = GetClientActor(Connection);
if (ClientActor)
{
UE_LOG(LogBeacon, Verbose, TEXT("- BeaconActor: %s %s"), *ClientActor->GetName(), *ClientActor->GetBeaconType());
AOnlineBeaconHostObject* BeaconHostObject = GetHost(ClientActor->GetBeaconType());
if (BeaconHostObject)
{
UE_LOG(LogBeacon, Verbose, TEXT("- HostObject: %s"), *BeaconHostObject->GetName());
BeaconHostObject->NotifyClientDisconnected(ClientActor);
}
RemoveClientActor(ClientActor);
}
Connection->FlushNet(true);
Connection->Close();
UE_LOG(LogBeacon, Verbose, TEXT("--------------------------------"));
}
}
}