public override async Task OnReceiveBinary(byte[] data, int length)
{
//If we're not authenticated, handle that first.
Log("RECEIVE", "GOT MESSAGE of length " + length);
if (!authenticated)
{
await HandleAuthentication(data, length);
return;
}
//Read the opcode and index
ushort opcode = BinaryTool.ReadUInt16(data, 0);
ulong index = BinaryTool.ReadUInt64(data, 2);
//Switch on this opcode
Log("RECEIVE", "Got message with opcode " + opcode + " / index " + index);
if (opcode == 1)
{
await HandleRPCMessage(data, length, index);
}
else
{
await WriteResponse(index, 404);
}
}
public byte[] OnDestroyCommand(CoreNetworkServer server, CoreNetworkOpcode opcode, byte[] payload)
{
//Get requested ID
ushort id = BinaryTool.ReadUInt16(payload, 0);
//Find requested server ID
ManagerInstance instance = null;
foreach (var s in Program.server_types)
{
foreach (var p in s.Value.instances)
{
if (p.settings.server_id == id)
{
instance = p;
}
}
}
//Check if failed
if (instance == null)
{
return(CreateFailResponse("Could not find requested instance."));
}
//End
instance.RemoveInstance().GetAwaiter().GetResult();
//Return OK status
return(new byte[] { 0x00 });
}
/// <summary>
/// Handles an RPC message: opcode 1. This will fire events to clients by a filter
/// </summary>
/// <param name="data"></param>
/// <param name="length"></param>
/// <returns></returns>
private async Task HandleRPCMessage(byte[] data, int length, ulong index)
{
//This follows the following format, starting at byte 10
// 4 bytes: int - Payload length "x"
// x bytes: string - Payload
// 2 bytes: ushort - Filter type
// [Dependant on filter type]
//Read the length of the payload and read the payload
int payloadLength = BinaryTool.ReadInt32(data, 10);
byte[] payload = BinaryTool.CopyFromArray(data, 14, payloadLength);
Log("RPC-MESSAGE", "Payload length " + payloadLength);
//Read the filter code
ushort filterCode = BinaryTool.ReadUInt16(data, 14 + payloadLength);
Log("RPC-MESSAGE", "Filter type " + filterCode);
//Pack contents
PackedWebSocketMessage packed = new PackedWebSocketMessage(payload, payloadLength, WebSocketMessageType.Text);
//Read the filter and send messages
Task pending;
if (filterCode == 0)
{
//USER_ID - Read the user ID
// 12 bytes: MongoDB ID - User ID
ObjectId userId = BinaryTool.ReadMongoID(data, 14 + payloadLength + 2);
pending = RPCEventDispatcher.SendDataToUserById(RPCType.RPCSession, userId, packed);
}
else if (filterCode == 1)
{
//SERVER - Sends to all members of a server
// 12 bytes: MongoDB ID - Server ID
ObjectId serverId = BinaryTool.ReadMongoID(data, 14 + payloadLength + 2);
pending = RPCEventDispatcher.SendDataToServerById(RPCType.RPCSession, serverId, packed);
}
else if (filterCode == 2)
{
//SERVER_TRIBE - Sends to a tribe of a server
// 12 bytes: MongoDB ID - Server ID
// 4 bytes: Int - ARK Tribe ID
ObjectId serverId = BinaryTool.ReadMongoID(data, 14 + payloadLength + 2);
int tribeId = BinaryTool.ReadInt32(data, 14 + payloadLength + 2 + 12);
pending = RPCEventDispatcher.SendDataToServerTribeById(RPCType.RPCSession, serverId, tribeId, packed);
}
else
{
await WriteResponse(index, 400);
return;
}
//Wait for sending to complete
Log("RPC-MESSAGE", "Sending message....pending...");
await pending;
Log("RPC-MESSAGE", "Message sent OK!");
//Send OK
await WriteResponse(index, 0);
}