public static byte[] _CreateRPCMessageTemplate(RPCOpcode op, byte filterType, ushort filterSize, uint payloadSize, out int filterOffset, out int payloadOffset)
{
//1 Byte Command Opcode
//1 Byte Flags
//4 Int32 RPC Opcode
//1 Byte Filter Type
//1 Byte <Reserved>
//2 UInt16 Filter Size
//^ <blob> Filter
//4 UInt32 Payload Size
//^ <blob> Payload
filterOffset = 10;
payloadOffset = 10 + filterSize + 4;
//Generate buffer
byte[] payload = new byte[10 + filterSize + 4 + payloadSize];
payload[0] = TYPECODE_MESSAGE;
payload[1] = 0x00;
BitConverter.GetBytes((int)op).CopyTo(payload, 2);
payload[6] = filterType;
payload[7] = 0x00;
BitConverter.GetBytes(filterSize).CopyTo(payload, 8);
//User writes filter
BitConverter.GetBytes(payloadSize).CopyTo(payload, 10 + filterSize);
//User writes payload
return(payload);
}
public static void SendRPCMsgToServer(DeltaConnection conn, RPCOpcode opcode, object payload, ObjectId server_id)
{
//Calculate
string data = JsonConvert.SerializeObject(payload);
int dataLen = Encoding.UTF8.GetByteCount(data);
//Get buffer
byte[] buffer = _CreateRPCMessageTemplate(opcode, FILTERCODE_SERVER, 12, (uint)dataLen, out int filterOffset, out int payloadOffset);
//Write filter
BinaryTool.WriteMongoID(buffer, filterOffset, server_id);
//Write payload
Encoding.UTF8.GetBytes(data, 0, data.Length, buffer, payloadOffset);
//Send
conn.net.SendRPCCommand(buffer);
}
private static void OnIncomingRPCCommand_RPCMessage(byte[] payload)
{
//Read header
RPCOpcode opcode = (RPCOpcode)BitConverter.ToInt32(payload, 2);
byte filterType = payload[6];
byte reserved = payload[7];
ushort filterSize = BitConverter.ToUInt16(payload, 8);
uint payloadSize = BitConverter.ToUInt32(payload, 10 + filterSize);
//Read filter
ISockFilter filter = DecodeCommandFilter(payload, filterType, (byte)filterSize, 10, out ObjectId? serverId);
//Read payload
JObject data = JsonConvert.DeserializeObject <JObject>(Encoding.UTF8.GetString(payload, 10 + filterSize + 4, (int)payloadSize));
//Handle
DispatchMessage(filter, new SendRPCMessageCommand(opcode.ToString(), serverId, data));
}
private static void OnIncomingRPCCommand_PrivledgedMessage(byte[] payload)
{
//Read header
RPCOpcode opcode = (RPCOpcode)BitConverter.ToInt32(payload, 2);
ObjectId serverId = BinaryTool.ReadMongoID(payload, 6);
int payloadCount = BitConverter.ToInt32(payload, 18);
//Clone list
List <RPCConnection> clientsSafe = new List <RPCConnection>();
lock (connections)
clientsSafe.AddRange(connections);
//Begin reading array
int offset = 22;
for (int i = 0; i < payloadCount; i++)
{
//Read header data
int tribeId = BitConverter.ToInt32(payload, offset + 0);
int payloadLength = BitConverter.ToInt32(payload, offset + 4);
offset += 8;
//Decode payload
JObject data = JsonConvert.DeserializeObject <JObject>(Encoding.UTF8.GetString(payload, offset, payloadLength));
//Create filter and command
ISockFilter filter = new ServerTribeSockFilter(serverId, tribeId);
var cmd = new SendRPCMessageCommand(opcode.ToString(), serverId, data);
//Search to send messages
foreach (var c in clientsSafe)
{
//Filter
if (!filter.CheckFilter(c))
{
continue;
}
//Send
c.EnqueueMessage(cmd);
}
}
}
public static byte[] _CreatePrivilegedMessageServerTemplate(RPCOpcode op, ObjectId guild, int[] payloadSizes, int[] payloadTribes, out int[] payloadOffsets)
{
//1 Byte Command Opcode
//1 Byte Flags
//4 Int32 RPC Opcode
//12 MongoID Guild ID
//4 Int32 Payload Count
// === ARRAY BEGIN ===
//4 Int32 Tribe ID
//4 Int32 Payload Size
//^ <blob> Payload data
// === ARRAY END ===
payloadOffsets = new int[payloadSizes.Length];
//Calculate the total size of all payloads, plus their headers
int totalLength = 0;
for (int i = 0; i < payloadSizes.Length; i++)
{
totalLength += 8 + payloadSizes[i];
}
//Generate buffer
byte[] payload = new byte[22 + totalLength];
payload[0] = TYPECODE_GROUP_RESET;
payload[1] = 0x00;
BitConverter.GetBytes((int)op).CopyTo(payload, 2);
BinaryTool.WriteMongoID(payload, 6, guild);
BitConverter.GetBytes((int)payloadSizes.Length).CopyTo(payload, 18);
int offset = 22;
for (int i = 0; i < payloadSizes.Length; i++)
{
BitConverter.GetBytes(payloadTribes[i]).CopyTo(payload, offset + 0);
BitConverter.GetBytes(payloadSizes[i]).CopyTo(payload, offset + 4);
payloadOffsets[i] = offset + 8;
offset += 8 + payloadSizes[i];
}
return(payload);
}