public static PeerAddress Decode(IByteReader stream) {
PeerAddress decodedPeerAddress = new PeerAddress();
decodedPeerAddress.Ip = PeerAddressIp.Decode(stream);
decodedPeerAddress.Port = Uint32.Decode(stream);
decodedPeerAddress.NumFailures = Uint32.Decode(stream);
return decodedPeerAddress;
}
/// <summary>
/// Decodes a message object.
/// The format looks as follows: 28 bit P2P version, 4 bit message type, 32 bit message ID, 8 bit message command,
/// 160 bit senderSocket ID, 16 bit senderSocket TCP port, 16 bit senderSocket UDP port, 160 bit recipientSocket ID, 32 bit content types, 8 bit options.
/// In total, the header is of size 58 bytes.
/// </summary>
/// <param name="buffer">The buffer to decode from.</param>
/// <param name="recipientSocket">The recipientSocket of the message.</param>
/// <param name="senderSocket">The senderSocket of the packet, which has been set in the socket class.</param> // TODO check if true
/// <returns>The partial message where only the header fields are set.</returns>
public static Message DecodeHeader(AlternativeCompositeByteBuf buffer, IPEndPoint recipientSocket, IPEndPoint senderSocket)
{
Logger.Debug("Decode message. Recipient: {0}, Sender: {1}", recipientSocket, senderSocket);
var message = new Message();
int versionAndType = buffer.ReadInt(); // 4
message.SetVersion(versionAndType >> 4);
message.SetType((Message.MessageType)(versionAndType & Utils.Utils.Mask0F)); // TODO does this work? (2x)
message.SetMessageId(buffer.ReadInt()); // 8
message.SetCommand(buffer.ReadByte()); // 9 // TODO check conversion with Java version
var senderId = ReadId(buffer); // 29
int tcpPort = buffer.ReadUShort(); // 31 // TODO check if should be read as short (same as encode)
int udpPort = buffer.ReadUShort(); // 33
var recipientId = ReadId(buffer); // 53
int contentTypes = buffer.ReadInt(); // 57
int options = buffer.ReadUByte(); // 58 // TODO check if should be read as unsigned/signed
message.SetRecipient(new PeerAddress(recipientId, recipientSocket));
message.HasContent(contentTypes != 0);
message.SetContentType(DecodeContentTypes(contentTypes, message));
message.SetOptions(options & Utils.Utils.Mask0F);
// set the address as we see it, important for port forwarding identification
int senderOptions = options >> 4;
var pa = new PeerAddress(senderId, senderSocket.Address, tcpPort, udpPort, senderOptions);
message.SetSender(pa);
message.SetSenderSocket(senderSocket);
message.SetRecipientSocket(recipientSocket);
return message;
}
/// <summary>
/// Sends data directly to a peer. Make sure you have set up a reply handler.
/// This is an RPC.
/// </summary>
/// <param name="remotePeer">The remote peer to store the data.</param>
/// <param name="sendDirectBuilder"></param>
/// <returns></returns>
public RequestHandler SendInternal(PeerAddress remotePeer, ISendDirectBuilder sendDirectBuilder)
{
var message = CreateRequestMessage(remotePeer, Rpc.Commands.DirectData.GetNr(),
sendDirectBuilder.IsRaw ? Message.Message.MessageType.Request1 : Message.Message.MessageType.Request2);
var tcsResponse = new TaskCompletionSource<Message.Message>(message);
if (sendDirectBuilder.IsSign)
{
message.SetPublicKeyAndSign(sendDirectBuilder.KeyPair);
}
message.SetStreaming(sendDirectBuilder.IsStreaming);
if (sendDirectBuilder.IsRaw)
{
message.SetBuffer(sendDirectBuilder.Buffer);
}
else
{
try
{
sbyte[] me = Utils.Utils.EncodeObject(sendDirectBuilder.Object);
message.SetBuffer(new Message.Buffer(Unpooled.WrappedBuffer(me)));
}
catch (Exception ex)
{
tcsResponse.SetException(ex);
}
}
return new RequestHandler(tcsResponse, PeerBean, ConnectionBean, sendDirectBuilder);
}
public static PeerAddress CreateAddress(Number160 idSender, String inetSender, int tcpPortSender,
int udpPortSender, bool firewallUdp, bool firewallTcp)
{
IPAddress inetSend = IPAddress.Parse(inetSender); // TODO correct port
var peerSocketAddress = new PeerSocketAddress(inetSend, tcpPortSender, udpPortSender);
var n1 = new PeerAddress(idSender, peerSocketAddress, firewallTcp, firewallUdp, false, PeerAddress.EmptyPeerSocketAddresses);
return n1;
}
public void TestPeerAddressRoundtrip()
{
// copied verbatim from https://en.bitcoin.it/wiki/Protocol_specification#Network_address
const string fromSpec = "010000000000000000000000000000000000ffff0a000001208d";
var pa = new PeerAddress(NetworkParameters.ProdNet(), Hex.Decode(fromSpec), 0, 0);
var reserialized = Utils.BytesToHexString(pa.BitcoinSerialize());
Assert.AreEqual(reserialized, fromSpec);
}
public Buffer Reply(PeerAddress sender, Buffer requestBuffer, bool complete)
{
Console.WriteLine("{0}.", ++_counter);
Console.WriteLine("Request from {0}.", sender);
Console.WriteLine("Buffer Size : {0}", Convenient.ToHumanReadable(requestBuffer.Length));
// server returns just OK if same buffer is returned
return requestBuffer;
}
/// <summary>
/// Creates a request requestMessage and fills it with peer bean and connection bean parameters.
/// </summary>
/// <param name="recipient">The recipient of this requestMessage.</param>
/// <param name="name">The command type.</param>
/// <param name="type">The request type.</param>
/// <returns>The created request requestMessage.</returns>
public Message.Message CreateRequestMessage(PeerAddress recipient, sbyte name, Message.Message.MessageType type)
{
return new Message.Message()
.SetRecipient(recipient)
.SetSender(PeerBean.ServerPeerAddress)
.SetCommand(name)
.SetType(type)
.SetVersion(ConnectionBean.P2PId);
}
public static PeerAddress[] CreateDummyAddresses(int size, int portTcp, int portUdp)
{
var pa = new PeerAddress[size];
for (int i = 0; i < size; i++)
{
pa[i] = CreateAddress(i + 1, portTcp, portUdp);
}
return pa;
}
/// <summary>
/// Creates a new future object and creates a timer that fires failed after a timeout.
/// </summary>
/// <param name="serverPeerAddress"></param>
/// <param name="timer">.NET-specific: CTS instead of timer.</param>
/// <param name="delaySec">The delay in seconds.</param>
public void Timeout(PeerAddress serverPeerAddress, ExecutorService timer, int delaySec)
{
_start = Convenient.CurrentTimeMillis();
var cts = timer.Schedule(DiscoverTimeoutTask, serverPeerAddress, TimeSpan.FromSeconds(delaySec).TotalMilliseconds);
// ReSharper disable once MethodSupportsCancellation
// cancel timeout if we are done
Task.ContinueWith(tDelay => cts.Cancel());
}
public void Connect(PeerAddress peerAddress)
{
var connectAsServerMessage = new PeerAddressMessage(peerAddress, MessageType.ConnectAsClient);
Peer.SendToSuperPeer(connectAsServerMessage);
Peer.ReadFromSuperPeer();
var connection = new TcpClientPeerConnection(this, Peer.PeerAddress);
_server = connection.GetConnection();
Peer.Close();
}
public Task<Message.Message> SendAsync(PeerAddress remotePeer, ISendDirectBuilder sendDirectBuilder,
ChannelCreator channelCreator)
{
var requestHandler = SendInternal(remotePeer, sendDirectBuilder);
if (!sendDirectBuilder.IsForceUdp)
{
return requestHandler.SendTcpAsync(channelCreator);
}
return requestHandler.SendUdpAsync(channelCreator);
}
public void AllowConnection(PeerAddress peerAddress)
{
var connectAsServerMessage = new PeerAddressMessage(peerAddress, MessageType.ConnectAsServer);
Peer.SendToSuperPeer(connectAsServerMessage);
Peer.ReadFromSuperPeer();
ServerPeerConnection serverPeerConnection = new TcpServerPeerConnection(this);
_client = serverPeerConnection.GetConnection();
Peer.Close();
Console.WriteLine("Client connected to server");
}
protected override async Task SetupAsync(Arguments args)
{
Network = BenchmarkUtil.CreateNodes(NetworkSize, Rnd, 7077, false, false);
Sender = Network[0];
_remoteAddress = args.Param as PeerAddress;
Cc = await Sender.ConnectionBean.Reservation.CreateAsync(IsForceUdp ? 1 : 0, IsForceUdp ? 0 : 1);
SendDirectBuilder = new SendDirectBuilder(Sender, (PeerAddress)null)
.SetIdleUdpSeconds(0)
.SetIdleTcpSeconds(0)
.SetBuffer(CreateSampleBuffer())
.SetIsForceUdp(IsForceUdp);
}
private void Failed(PeerAddress serverPeerAddress, string failed)
{
lock (Lock)
{
if (!CompletedAndNotify())
{
return;
}
// TODO reason and type needed?
Logger.Debug(failed);
_ourPeerAddress = serverPeerAddress;
}
NotifyListeners();
}
/// <summary>
/// Sends a message that indicates this peer is about to quit. This is an RPC.
/// </summary>
/// <param name="remotePeer">The remote peer to send this request.</param>
/// <param name="shutdownBuilder">Used for the sign and force TCP flag. Set if the message should be signed.</param>
/// <param name="channelCreator">The channel creator that creates connections.</param>
/// <returns>The future response message.</returns>
public Task<Message.Message> QuitAsync(PeerAddress remotePeer, ShutdownBuilder shutdownBuilder,
ChannelCreator channelCreator)
{
var message = CreateRequestMessage(remotePeer, Rpc.Commands.Quit.GetNr(),
Message.Message.MessageType.RequestFf1);
if (shutdownBuilder.IsSign)
{
message.SetPublicKeyAndSign(shutdownBuilder.KeyPair);
}
var tcsResponse = new TaskCompletionSource<Message.Message>(message);
var requestHandler = new RequestHandler(tcsResponse, PeerBean, ConnectionBean, shutdownBuilder);
Logger.Debug("Send QUIT message {0}.", message);
if (!shutdownBuilder.IsForceTcp)
{
return requestHandler.FireAndForgetUdpAsync(channelCreator);
}
return requestHandler.SendTcpAsync(channelCreator);
}
private void InitConnectionAsClient(PeerAddress peerAddress)
{
List<SuperPeerServer> onlineServers = new List<SuperPeerServer>(ConnectionsRepository.GetServers());
SuperPeerServer targetServer = null;
foreach (SuperPeerServer server in onlineServers)
{
if (server.GetClientInfo().PeerAddress().Equals(peerAddress))
targetServer = server;
}
if (targetServer == null)
return;
if (!targetServer.AllowedConnection.Equals(_superPeerClient.GetClientInfo().PeerAddress()))
return;
ConnectionPair connectionPair = CreateConnectionPair(targetServer, _superPeerClient);
ProcessConnectionBetweenClients(connectionPair);
}
public PeerAddressMessage(byte[] encoding)
: this()
{
try
{
MemoryStream memoryStream = new MemoryStream(encoding, 0, encoding.Length, false);
BinaryReader binaryReader = new BinaryReader(new BufferedStream(memoryStream));
TypeOfMessage = (MessageType)MessagesEncodingUtil.ReadByte(binaryReader);
IPEndPoint localEndPoint = ParseIpEndPoint(MessagesEncodingUtil.ReadString(binaryReader));
IPEndPoint publicEndPoint = ParseIpEndPoint(MessagesEncodingUtil.ReadString(binaryReader));
PeerAddress = new PeerAddress(localEndPoint, publicEndPoint);
}
catch (Exception)
{
throw new BinaryEncodingException("Encode");
}
}
private bool InitClientAddress()
{
var requestMessage = _client.Read() as RequestMessage;
if (requestMessage != null && requestMessage.RequestedMessageType == MessageType.ClientPeerAddress)
{
PeerAddress peerAddress = new PeerAddress {PublicEndPoint = _client.RemoteEndPoint};
_client.Send(new PeerAddressMessage(peerAddress, MessageType.ClientPeerAddress));
peerAddress.PrivateEndPoint = ((PeerAddressMessage) _client.Read()).PeerAddress.PrivateEndPoint;
_clientInfo.PeerAddress(peerAddress);
return true;
}
else
{
_client.Close();
return false;
}
}
/// <summary>
/// Gets called if the discovery was a success and another peer could ping us with TCP and UDP.
/// </summary>
/// <param name="ourPeerAddress">The peer address of our server.</param>
/// <param name="reporter">The peer address of the peer that reported our address.</param>
public void Done(PeerAddress ourPeerAddress, PeerAddress reporter)
{
lock (Lock)
{
if (!CompletedAndNotify())
{
return;
}
// TODO reason and type needed?
if (_reporter != null)
{
/*if (!_reporter.Equals(reporter))
{
// TODO reason and type needed?
}*/
}
_ourPeerAddress = ourPeerAddress;
_reporter = reporter;
}
NotifyListeners();
}
public Task<Message.Message> SendAsync(PeerAddress remotePeer, BroadcastBuilder broadcastBuilder,
ChannelCreator channelCreator, IConnectionConfiguration configuration)
{
var message = CreateRequestMessage(remotePeer, Rpc.Commands.Broadcast.GetNr(),
Message.Message.MessageType.RequestFf1);
message.SetIntValue(broadcastBuilder.HopCounter);
message.SetKey(broadcastBuilder.MessageKey);
if (broadcastBuilder.DataMap != null)
{
message.SetDataMap(new DataMap(broadcastBuilder.DataMap));
}
var tcsResponse = new TaskCompletionSource<Message.Message>(message);
var requestHandler = new RequestHandler(tcsResponse, PeerBean, ConnectionBean, configuration);
if (!broadcastBuilder.IsUdp)
{
return requestHandler.SendTcpAsync(channelCreator);
}
else
{
return requestHandler.FireAndForgetUdpAsync(channelCreator);
}
}
/// <summary>
/// .NET-specific: Used for DistributedRouting only.
/// </summary>
internal TaskCompletionSource<Message.Message> CloseNeighborsTcs(PeerAddress remotePeer, SearchValues searchValues, Message.Message.MessageType type,
ChannelCreator channelCreator, IConnectionConfiguration configuration)
{
var message = CreateRequestMessage(remotePeer, Rpc.Commands.Neighbor.GetNr(), type);
if (!message.IsRequest())
{
throw new ArgumentException("The type must be a request.");
}
message.SetKey(searchValues.LocationKey);
message.SetKey(searchValues.DomainKey ?? Number160.Zero);
if (searchValues.From != null && searchValues.To != null)
{
ICollection<Number640> collection = new List<Number640>();
collection.Add(searchValues.From);
collection.Add(searchValues.To);
var keyCollection = new KeyCollection(collection);
message.SetKeyCollection(keyCollection);
}
else
{
if (searchValues.ContentKey != null)
{
message.SetKey(searchValues.ContentKey);
}
if (searchValues.KeyBloomFilter != null)
{
message.SetBloomFilter(searchValues.KeyBloomFilter);
}
if (searchValues.ContentBloomFilter != null)
{
message.SetBloomFilter(searchValues.ContentBloomFilter);
}
}
return Send(message, configuration, channelCreator);
}
public bool Reject(PeerAddress peerAddress, ICollection<PeerAddress> all, Number160 target)
{
// TODO in Java: to be implemented
return false;
}
public static StellarMessage Decode(IByteReader stream)
{
StellarMessage decodedStellarMessage = new StellarMessage();
decodedStellarMessage.Discriminant = MessageType.Decode(stream);
switch (decodedStellarMessage.Discriminant.InnerValue)
{
case MessageType.MessageTypeEnum.ERROR_MSG:
decodedStellarMessage.Error = Error.Decode(stream);
break;
case MessageType.MessageTypeEnum.HELLO:
decodedStellarMessage.Hello = Hello.Decode(stream);
break;
case MessageType.MessageTypeEnum.AUTH:
decodedStellarMessage.Auth = Auth.Decode(stream);
break;
case MessageType.MessageTypeEnum.DONT_HAVE:
decodedStellarMessage.DontHave = DontHave.Decode(stream);
break;
case MessageType.MessageTypeEnum.GET_PEERS:
break;
case MessageType.MessageTypeEnum.PEERS:
int peerssize = XdrEncoding.DecodeInt32(stream);
decodedStellarMessage.Peers = new PeerAddress[peerssize];
for (int i = 0; i < peerssize; i++)
{
decodedStellarMessage.Peers[i] = PeerAddress.Decode(stream);
}
break;
case MessageType.MessageTypeEnum.GET_TX_SET:
decodedStellarMessage.TxSetHash = Uint256.Decode(stream);
break;
case MessageType.MessageTypeEnum.TX_SET:
decodedStellarMessage.TxSet = TransactionSet.Decode(stream);
break;
case MessageType.MessageTypeEnum.TRANSACTION:
decodedStellarMessage.Transaction = TransactionEnvelope.Decode(stream);
break;
case MessageType.MessageTypeEnum.GET_SCP_QUORUMSET:
decodedStellarMessage.QSetHash = Uint256.Decode(stream);
break;
case MessageType.MessageTypeEnum.SCP_QUORUMSET:
decodedStellarMessage.QSet = SCPQuorumSet.Decode(stream);
break;
case MessageType.MessageTypeEnum.SCP_MESSAGE:
decodedStellarMessage.Envelope = SCPEnvelope.Decode(stream);
break;
case MessageType.MessageTypeEnum.GET_SCP_STATE:
decodedStellarMessage.GetSCPLedgerSeq = Uint32.Decode(stream);
break;
}
return(decodedStellarMessage);
}
public PeerAddressMessage(PeerAddress peerAddress, MessageType messageType = MessageType.PeerAddress)
{
PeerAddress = peerAddress;
TypeOfMessage = messageType;
}
private void InitConnectionAsServer(PeerAddress peerAddress)
{
_superPeerServer.AllowedConnection = peerAddress;
}
public void Add(PeerAddress neighbor)
{
Neighbors.Add(neighbor);
}
public Message SetRecipientRelay(PeerAddress recipientRelay)
{
RecipientRelay = recipientRelay;
return this;
}
public override void Read(ChannelHandlerContext ctx, object msg)
{
// client-side:
// Here, the result for the awaitable task can be set.
// If it is not a fire-and-forget message, the "result" of the TCS
// must be set here. (If FF, then it is set in Sender.)
// Java uses a SimpleChannelInboundHandler that only expects Message objects
var responseMessage = msg as Message.Message;
if (responseMessage == null)
{
return;
}
var recvMessageId = new MessageId(responseMessage);
// error handling
if (responseMessage.Type == Message.Message.MessageType.UnknownId)
{
string msg2 =
"Message was not delivered successfully. Unknown ID (peer may be offline or unknown RPC handler): " +
_message;
ExceptionCaught(ctx, new PeerException(PeerException.AbortCauseEnum.PeerAbort, msg2));
return;
}
if (responseMessage.Type == Message.Message.MessageType.Exception)
{
string msg2 = "Message caused an exception on the other side. Handle as PeerAbort: " + _message;
ExceptionCaught(ctx, new PeerException(PeerException.AbortCauseEnum.PeerAbort, msg2));
return;
}
if (responseMessage.IsRequest())
{
ctx.FireRead(responseMessage);
return;
}
if (!_sendMessageId.Equals(recvMessageId))
{
string msg2 =
String.Format(
"Response message [{0}] sent to the node is not the same as we expect. We sent request message [{1}].",
responseMessage, _message);
ExceptionCaught(ctx, new PeerException(PeerException.AbortCauseEnum.PeerAbort, msg2));
return;
}
// We need to exclude RCON messages from the sanity check because we
// use this RequestHandler for sending a Type.REQUEST_1,
// RPC.Commands.RCON message on top of it. Therefore the response
// type will never be the same Type as the one the user initially
// used (e.g. DIRECT_DATA).
if (responseMessage.Command != Rpc.Rpc.Commands.Rcon.GetNr() &&
_message.Recipient.IsRelayed != responseMessage.Sender.IsRelayed)
{
string msg2 =
String.Format(
"Response message [{0}] sent has a different relay flag than we sent with request message [{1}]. Recipient ({2}) / Sender ({3}).",
responseMessage, _message, _message.Recipient.IsRelayed, responseMessage.Sender.IsRelayed);
ExceptionCaught(ctx, new PeerException(PeerException.AbortCauseEnum.PeerAbort, msg2));
return;
}
// we got a good answer, let's mark the sender as alive
if (responseMessage.IsOk() || responseMessage.IsNotOk())
{
lock (PeerBean.PeerStatusListeners)
{
if (responseMessage.Sender.IsRelayed && responseMessage.PeerSocketAddresses.Count != 0)
{
// use the response message as we have up-to-date content for the relays
PeerAddress remotePeer =
responseMessage.Sender.ChangePeerSocketAddresses(responseMessage.PeerSocketAddresses);
responseMessage.SetSender(remotePeer);
}
foreach (IPeerStatusListener listener in PeerBean.PeerStatusListeners)
{
listener.PeerFound(responseMessage.Sender, null, null);
}
}
}
// call this for streaming support
if (!responseMessage.IsDone)
{
Logger.Debug("Good message is streaming. {0}", responseMessage);
return;
}
if (!_message.IsKeepAlive())
{
Logger.Debug("Good message {0}. Close channel {1}.", responseMessage, ctx.Channel);
// .NET-specific:
// set the result now, but trigger the notify when the channel is closed
_tcsResponse.ResponseLater(responseMessage, ctx);
// in Java, the channel creator adds a listener that sets the
// future response result when the channel is closed
ctx.Close(); // TODO needed?
}
else
{
Logger.Debug("Good message {0}. Leave channel {1} open.", responseMessage, ctx.Channel);
_tcsResponse.SetResult(responseMessage);
}
}
/// <summary>
/// Set the ID of the sender. The IP of the sender will NOT be transferred, as this information is in the IP packet.
/// </summary>
/// <param name="sender">The ID of the sender.</param>
/// <returns>This class.</returns>
public Message SetSender(PeerAddress sender)
{
Sender = sender;
return this;
}
public static void Encode(IByteWriter stream, StellarMessage encodedStellarMessage)
{
XdrEncoding.EncodeInt32((int)encodedStellarMessage.Discriminant.InnerValue, stream);
switch (encodedStellarMessage.Discriminant.InnerValue)
{
case MessageType.MessageTypeEnum.ERROR_MSG:
Error.Encode(stream, encodedStellarMessage.Error);
break;
case MessageType.MessageTypeEnum.HELLO:
Hello.Encode(stream, encodedStellarMessage.Hello);
break;
case MessageType.MessageTypeEnum.AUTH:
Auth.Encode(stream, encodedStellarMessage.Auth);
break;
case MessageType.MessageTypeEnum.DONT_HAVE:
DontHave.Encode(stream, encodedStellarMessage.DontHave);
break;
case MessageType.MessageTypeEnum.GET_PEERS:
break;
case MessageType.MessageTypeEnum.PEERS:
int peerssize = encodedStellarMessage.Peers.Length;
XdrEncoding.EncodeInt32(peerssize, stream);
for (int i = 0; i < peerssize; i++)
{
PeerAddress.Encode(stream, encodedStellarMessage.Peers[i]);
}
break;
case MessageType.MessageTypeEnum.GET_TX_SET:
Uint256.Encode(stream, encodedStellarMessage.TxSetHash);
break;
case MessageType.MessageTypeEnum.TX_SET:
TransactionSet.Encode(stream, encodedStellarMessage.TxSet);
break;
case MessageType.MessageTypeEnum.TRANSACTION:
TransactionEnvelope.Encode(stream, encodedStellarMessage.Transaction);
break;
case MessageType.MessageTypeEnum.GET_SCP_QUORUMSET:
Uint256.Encode(stream, encodedStellarMessage.QSetHash);
break;
case MessageType.MessageTypeEnum.SCP_QUORUMSET:
SCPQuorumSet.Encode(stream, encodedStellarMessage.QSet);
break;
case MessageType.MessageTypeEnum.SCP_MESSAGE:
SCPEnvelope.Encode(stream, encodedStellarMessage.Envelope);
break;
case MessageType.MessageTypeEnum.GET_SCP_STATE:
Uint32.Encode(stream, encodedStellarMessage.GetSCPLedgerSeq);
break;
}
}
static void Main(string[] args)
{
#region Configs creation.
BlockchainStorageManagerParameters managerParameters = new BlockchainStorageManagerParameters()
{
BlocksInUnit = 2
};
UnitRepositoryParameters firstRepositoryParameters = new UnitRepositoryParameters()
{
DirectoryPath = Path.Combine(Directory.GetCurrentDirectory(), "blockchain0")
};
UnitRepositoryParameters secondRepositoryParameters = new UnitRepositoryParameters()
{
DirectoryPath = Path.Combine(Directory.GetCurrentDirectory(), "blockchain1")
};
WalletManagerParameters walletManagerParameters = new WalletManagerParameters()
{
WalletDirectoryPath = Path.Combine(Directory.GetCurrentDirectory(), "wallets")
};
NetworkParameters networkParametersFirst = new NetworkParameters()
{
AddressBookPath = Path.Combine(Directory.GetCurrentDirectory(), FirstBookPath),
PeerHostName = Dns.GetHostName(),
PeerPort = 8900,
ClientTimeout = new TimeSpan(0, 0, 4),
ServerTimeout = new TimeSpan(0, 0, 4)
};
NetworkParameters networkParametersSecond = new NetworkParameters()
{
AddressBookPath = Path.Combine(Directory.GetCurrentDirectory(), SecondBookPath),
PeerHostName = Dns.GetHostName(),
PeerPort = 8910,
ClientTimeout = new TimeSpan(0, 0, 4),
ServerTimeout = new TimeSpan(0, 0, 4)
};
BasicMiningFactoryParameters parameters = new BasicMiningFactoryParameters()
{
HashLeastUpFactor = 1.25,
HashMostUpFactor = 1.75,
HashLeastDownFactor = 0.25,
HashMostDownFactor = 0.75,
DifficultyLeastUpFactor = 1.25,
DifficultyMostUpFactor = 1.75,
DifficultyLeastDownFactor = 0.25,
DifficultyMostDownFactor = 0.75,
MinDifficulty = Difficulty
};
JsonSerializer jsonSerializer = new JsonSerializer()
{
Formatting = Formatting.Indented
};
using (Stream jsonFile = File.Open(MiningConfigPath, FileMode.Create, FileAccess.Write, FileShare.None))
using (StreamWriter writer = new StreamWriter(jsonFile))
using (JsonWriter jsonWriter = new JsonTextWriter(writer))
jsonSerializer.Serialize(jsonWriter, parameters);
using (Stream jsonFile = File.Open(ManagerConfigPath, FileMode.Create, FileAccess.Write, FileShare.None))
using (StreamWriter writer = new StreamWriter(jsonFile))
using (JsonWriter jsonWriter = new JsonTextWriter(writer))
jsonSerializer.Serialize(jsonWriter, managerParameters);
using (Stream jsonFile = File.Open(FirstRepositoryConfigPath, FileMode.Create, FileAccess.Write, FileShare.None))
using (StreamWriter writer = new StreamWriter(jsonFile))
using (JsonWriter jsonWriter = new JsonTextWriter(writer))
jsonSerializer.Serialize(jsonWriter, firstRepositoryParameters);
using (Stream jsonFile = File.Open(SecondRepositoryConfigPath, FileMode.Create, FileAccess.Write, FileShare.None))
using (StreamWriter writer = new StreamWriter(jsonFile))
using (JsonWriter jsonWriter = new JsonTextWriter(writer))
jsonSerializer.Serialize(jsonWriter, secondRepositoryParameters);
using (Stream jsonFile = File.Open(WalletManagerConfigPath, FileMode.Create, FileAccess.Write, FileShare.None))
using (StreamWriter writer = new StreamWriter(jsonFile))
using (JsonWriter jsonWriter = new JsonTextWriter(writer))
jsonSerializer.Serialize(jsonWriter, walletManagerParameters);
using (Stream jsonFile = File.Open(FirstNetworkConfigPath, FileMode.Create, FileAccess.Write, FileShare.None))
using (StreamWriter writer = new StreamWriter(jsonFile))
using (JsonWriter jsonWriter = new JsonTextWriter(writer))
jsonSerializer.Serialize(jsonWriter, networkParametersFirst);
using (Stream jsonFile = File.Open(SecondNetworkConfigPath, FileMode.Create, FileAccess.Write, FileShare.None))
using (StreamWriter writer = new StreamWriter(jsonFile))
using (JsonWriter jsonWriter = new JsonTextWriter(writer))
jsonSerializer.Serialize(jsonWriter, networkParametersSecond);
JsonBasicMiningFactoryConfig miningConfig = new JsonBasicMiningFactoryConfig(MiningConfigPath);
JsonBlockchainStorageManagerConfig managerConfig = new JsonBlockchainStorageManagerConfig(ManagerConfigPath);
JsonUnitRepositoryConfig firstRepositoryConfig = new JsonUnitRepositoryConfig(FirstRepositoryConfigPath);
JsonUnitRepositoryConfig secondRepositoryConfig = new JsonUnitRepositoryConfig(SecondRepositoryConfigPath);
JsonWalletManagerConfig walletManagerConfig = new JsonWalletManagerConfig(WalletManagerConfigPath);
JsonNetworkConfig firstNetworkConfig = new JsonNetworkConfig(FirstNetworkConfigPath);
JsonNetworkConfig secondNetworkConfig = new JsonNetworkConfig(SecondNetworkConfigPath);
#endregion
#region Directory remove.
removeDirectory(firstRepositoryConfig.DirectoryPath);
removeDirectory(secondRepositoryConfig.DirectoryPath);
removeDirectory(walletManagerConfig.WalletDirectoryPath);
#endregion
#region Directory creation.
Directory.CreateDirectory(firstRepositoryParameters.DirectoryPath);
Directory.CreateDirectory(secondRepositoryParameters.DirectoryPath);
Directory.CreateDirectory(Path.Combine(firstRepositoryConfig.DirectoryPath, "addressers"));
Directory.CreateDirectory(Path.Combine(firstRepositoryConfig.DirectoryPath, "units"));
Directory.CreateDirectory(Path.Combine(secondRepositoryConfig.DirectoryPath, "addressers"));
Directory.CreateDirectory(Path.Combine(secondRepositoryConfig.DirectoryPath, "units"));
Directory.CreateDirectory(walletManagerConfig.WalletDirectoryPath);
#endregion
#region Initial units.
// Addressers.
string firstAddresser0Path = Path.Combine(firstRepositoryParameters.DirectoryPath, "addressers", "addresser0.addr");
string secondAddresser0Path = Path.Combine(secondRepositoryParameters.DirectoryPath, "addressers", "addresser0.addr");
#if (CREATE_EXTRA_FILE)
string firstAddresser1Path = Path.Combine(firstRepositoryParameters.DirectoryPath, "addressers", "addresser1.addr");
string secondAddresser1Path = Path.Combine(secondRepositoryParameters.DirectoryPath, "addressers", "addresser1.addr");
#endif
File.Create(firstAddresser0Path).Close();
File.Create(secondAddresser0Path).Close();
#if (CREATE_EXTRA_FILE)
File.Create(firstAddresser1Path).Close();
File.Create(secondAddresser1Path).Close();
#endif
// Units.
string firstUnit0Path = Path.Combine(firstRepositoryParameters.DirectoryPath, "units", "unit0.unit");
string secondUnit0Path = Path.Combine(secondRepositoryParameters.DirectoryPath, "units", "unit0.unit");
#if (CREATE_EXTRA_FILE)
string firstUnit1Path = Path.Combine(firstRepositoryParameters.DirectoryPath, "units", "unit1.unit");
string secondUnit1Path = Path.Combine(secondRepositoryParameters.DirectoryPath, "units", "unit1.unit");
#endif
File.Create(firstUnit0Path).Close();
File.Create(secondUnit0Path).Close();
#if (CREATE_EXTRA_FILE)
File.Create(firstUnit1Path).Close();
File.Create(secondUnit1Path).Close();
#endif
BlockchainUnit firstUnit0 = new BlockchainUnit(firstUnit0Path, new AddressStorage(firstAddresser0Path));
BlockchainUnit secondUnit0 = new BlockchainUnit(secondUnit0Path, new AddressStorage(secondAddresser0Path));
#endregion
IMiningFactory miningFactory = new BasicMiningFactory(miningConfig);
IHashFactory hashFactory = miningFactory.GetMiningHashFactoryById(3);
IHashFactory transactionHashFactory = new TransactionHashFactory();
ISignatureFactory signatureFactory = new ECDSAFactory();
IWalletManager walletManager = new WalletManager(walletManagerConfig, signatureFactory, transactionHashFactory);
Wallet firstWallet = walletManager.AddNewWallet();
#region Initial transactions.
LinkedList <Transaction> firstInitialList = new LinkedList <Transaction>();
LinkedList <Transaction> secondInitialList = new LinkedList <Transaction>();
Transaction firstInitialTransaction = new Transaction(firstWallet.PublicKey, firstWallet.PublicKey, 32, transactionHashFactory);
Transaction secondInitialTransaction = new Transaction(firstWallet.PublicKey, firstWallet.PublicKey, 19, transactionHashFactory);
Transaction thirdInitialTransaction = new Transaction(firstWallet.PublicKey, firstWallet.PublicKey, 32, transactionHashFactory);
Transaction fourthInitialTransaction = new Transaction(firstWallet.PublicKey, firstWallet.PublicKey, 19, transactionHashFactory);
firstInitialTransaction.SignTransaction(firstWallet.Signer);
secondInitialTransaction.SignTransaction(firstWallet.Signer);
thirdInitialTransaction.SignTransaction(firstWallet.Signer);
fourthInitialTransaction.SignTransaction(firstWallet.Signer);
firstInitialList.AddLast(firstInitialTransaction);
firstInitialList.AddLast(secondInitialTransaction);
secondInitialList.AddLast(thirdInitialTransaction);
secondInitialList.AddLast(fourthInitialTransaction);
#endregion
#region Initial blocks.
IHashFactory miningHashFactory = miningFactory.GetMiningHashFactoryById(3);
IMiner miner = new BasicMiner(3, Difficulty, miningHashFactory);
Block firstInitialBlock = new Block(firstWallet.PublicKey, new byte[hashFactory.GetDigest().HashLength], firstInitialList, hashFactory);
miner.MineBlock(firstInitialBlock);
firstInitialBlock.SignBlock(firstWallet.Signer);
Block secondInitialBlock = new Block(firstWallet.PublicKey, firstInitialBlock.Hash, secondInitialList, hashFactory);
miner.MineBlock(secondInitialBlock);
secondInitialBlock.SignBlock(firstWallet.Signer);
firstUnit0.AddBlock(firstInitialBlock);
firstUnit0.AddBlock(secondInitialBlock);
secondUnit0.AddBlock(firstInitialBlock);
secondUnit0.AddBlock(secondInitialBlock);
firstUnit0.Dispose();
secondUnit0.Dispose();
#endregion
UnitRepository firstRepository = new UnitRepository(firstRepositoryConfig);
UnitRepository secondRepository = new UnitRepository(secondRepositoryConfig);
BlockchainStorageManager firstManager = new BlockchainStorageManager(managerConfig, firstRepository);
BlockchainStorageManager secondManager = new BlockchainStorageManager(managerConfig, secondRepository);
Blockchain firstBlockchain = new Blockchain(firstWallet, walletManager, transactionHashFactory, signatureFactory, miningFactory, firstManager);
Wallet secondWallet = walletManager.AddNewWallet();
Blockchain secondBlockchain = new Blockchain(secondWallet, walletManager, transactionHashFactory, signatureFactory, miningFactory, secondManager);
#region Address books creation.
File.Create(FirstBookPath).Close();
File.Create(SecondBookPath).Close();
PeerAddress firstPeer = new PeerAddress(firstWallet.PublicKey);
PeerAddress secondPeer = new PeerAddress(secondWallet.PublicKey);
AddressBook firstPeerAddressBook = new AddressBook(FirstBookPath);
AddressBook secondPeerAddressBook = new AddressBook(SecondBookPath);
firstPeerAddressBook.Add(secondPeer, "ws://" + secondNetworkConfig.PeerHostName + $":{secondNetworkConfig.PeerPort}/simplecoin");
secondPeerAddressBook.Add(firstPeer, "ws://" + firstNetworkConfig.PeerHostName + $":{firstNetworkConfig.PeerPort}/simplecoin");
firstPeerAddressBook.SaveOnDrive();
secondPeerAddressBook.SaveOnDrive();
#endregion
#region Network.
IBroadcaster firstNetwork = new Network(firstBlockchain, firstPeerAddressBook, firstNetworkConfig, firstWallet.Signer);
IBroadcaster secondNetwork = new Network(secondBlockchain, secondPeerAddressBook, secondNetworkConfig, secondWallet.Signer);
firstBlockchain.NetworkBroadcaster = firstNetwork;
secondBlockchain.NetworkBroadcaster = secondNetwork;
firstNetwork.Start();
secondNetwork.Start();
#endregion
firstWallet.Blockchain = firstBlockchain;
secondWallet.Blockchain = secondBlockchain;
firstWallet.SendTokens(16, secondWallet.PublicKey);
firstWallet.SendTokens(8, secondWallet.PublicKey);
secondBlockchain.ProcessPendingTransactions();
secondWallet.SendTokens(8, firstWallet.PublicKey);
firstBlockchain.ProcessPendingTransactions();
Console.WriteLine("First blockchain:\n");
foreach (Block block in firstBlockchain)
{
Console.WriteLine(JsonConvert.SerializeObject(block, Formatting.Indented));
Console.WriteLine();
}
Console.WriteLine("--------------------------------------------------------------------------------------");
Console.WriteLine("Second blockchain:\n");
foreach (Block block in secondBlockchain)
{
Console.WriteLine(JsonConvert.SerializeObject(block, Formatting.Indented));
Console.WriteLine();
}
Console.WriteLine("}\n");
Console.WriteLine(firstBlockchain.IsValid ? "First blockchain is valid" : "First blockchain is invalid");
Console.WriteLine(firstBlockchain.IsValid ? "Second blockchain is valid" : "Second blockchain is invalid");
Console.WriteLine($"Cryptocurrency ownership for first wallet: {firstBlockchain.CountBalanceForWallet(firstWallet.PublicKey)}");
Console.WriteLine($"Cryptocurrency ownership for second wallet: {firstBlockchain.CountBalanceForWallet(secondWallet.PublicKey)}");
}
public Buffer Reply(PeerAddress sender, Buffer requestBuffer, bool complete)
{
// server returns just OK if same buffer is returned
return(requestBuffer);
}
public SendDirectBuilder(Peer peer, PeerAddress peerAddress)
{
_peer = peer;
RecipientAddress = peerAddress;
TcsRecipientConnection = null;
}
/** Returns true if the given address has been seen via markBroadcastBy() */
public boolean wasBroadcastBy(PeerAddress address)
{
return(broadcastBy.contains(address));
}
public void TestBitcoinSerialize()
{
var pa = new PeerAddress(IPAddress.Loopback, 8333, 0);
Assert.AreEqual("000000000000000000000000000000000000ffff7f000001208d",
Utils.BytesToHexString(pa.BitcoinSerialize()));
}
public static void Encode(IByteWriter stream, PeerAddress encodedPeerAddress)
{
PeerAddressIp.Encode(stream, encodedPeerAddress.Ip);
Uint32.Encode(stream, encodedPeerAddress.Port);
Uint32.Encode(stream, encodedPeerAddress.NumFailures);
}
/// <summary>
/// Sets a new address for this peer.
/// </summary>
/// <param name="serverPeerAddress">The new address of this peer.</param>
/// <returns>This class.</returns>
public PeerBean SetServerPeerAddress(PeerAddress serverPeerAddress)
{
ServerPeerAddress = serverPeerAddress;
return(this);
}
public static Message.Message CreateResponseMessage(Message.Message requestMessage,
Message.Message.MessageType replyType, PeerAddress peerAddress)
{
// this will have the ports >40'000 that we need to know for sending the reply
return new Message.Message()
.SetSenderSocket(requestMessage.SenderSocket)
.SetRecipientSocket(requestMessage.RecipientSocket)
.SetRecipient(requestMessage.Sender)
.SetSender(peerAddress)
.SetCommand(requestMessage.Command)
.SetType(replyType)
.SetVersion(requestMessage.Version)
.SetMessageId(requestMessage.MessageId)
.SetIsUdp(requestMessage.IsUdp);
}
public PeerConnection ChangeRemotePeer(PeerAddress remotePeer)
{
return(new PeerConnection(_oneConnection, remotePeer, ChannelCreator, _initiator, _map, _tcsClose, HeartBeatMillis, _channel));
}
public TcpClientPeerConnection(ClientPeer clientPeer, PeerAddress clientPeerAddress)
: base(clientPeer, clientPeerAddress)
{
}
private bool DecodePayload(AlternativeCompositeByteBuf buffer)
{
Logger.Debug("About to pass message {0} to {1}. Buffer to read: {2}.", Message, Message.SenderSocket, buffer.ReadableBytes);
if (!Message.HasContent())
{
return(true);
}
int size;
IPublicKey receivedPublicKey;
while (_contentTypes.Count > 0)
{
Message.Content content = _contentTypes.Peek();
Logger.Debug("Go for content: {0}.", content);
switch (content)
{
case Message.Content.Integer:
if (buffer.ReadableBytes < Utils.Utils.IntegerByteSize)
{
return(false);
}
Message.SetIntValue(buffer.ReadInt());
LastContent = _contentTypes.Dequeue();
break;
case Message.Content.Long:
if (buffer.ReadableBytes < Utils.Utils.LongByteSize)
{
return(false);
}
Message.SetLongValue(buffer.ReadLong());
LastContent = _contentTypes.Dequeue();
break;
case Message.Content.Key:
if (buffer.ReadableBytes < Number160.ByteArraySize)
{
return(false);
}
var keyBytes = new sbyte[Number160.ByteArraySize];
buffer.ReadBytes(keyBytes);
Message.SetKey(new Number160(keyBytes));
LastContent = _contentTypes.Dequeue();
break;
case Message.Content.BloomFilter:
if (buffer.ReadableBytes < Utils.Utils.ShortByteSize)
{
return(false);
}
size = buffer.GetUShort(buffer.ReaderIndex);
if (buffer.ReadableBytes < size)
{
return(false);
}
Message.SetBloomFilter(new SimpleBloomFilter <Number160>(buffer));
LastContent = _contentTypes.Dequeue();
break;
case Message.Content.SetNeighbors:
if (_neighborSize == -1 && buffer.ReadableBytes < Utils.Utils.ByteByteSize)
{
return(false);
}
if (_neighborSize == -1)
{
_neighborSize = buffer.ReadByte();
}
if (_neighborSet == null)
{
_neighborSet = new NeighborSet(-1, new List <PeerAddress>(_neighborSize));
}
for (int i = _neighborSet.Size; i < _neighborSize; i++)
{
if (buffer.ReadableBytes < Utils.Utils.ShortByteSize)
{
return(false);
}
int header = buffer.GetUShort(buffer.ReaderIndex);
size = PeerAddress.CalculateSize(header);
if (buffer.ReadableBytes < size)
{
return(false);
}
var pa = new PeerAddress(buffer);
_neighborSet.Add(pa);
}
Message.SetNeighborSet(_neighborSet);
LastContent = _contentTypes.Dequeue();
_neighborSize = -1; // TODO why here? not in prepareFinish()?
_neighborSet = null;
break;
case Message.Content.SetPeerSocket:
if (_peerSocketAddressSize == -1 && buffer.ReadableBytes < Utils.Utils.ByteByteSize)
{
return(false);
}
if (_peerSocketAddressSize == -1)
{
_peerSocketAddressSize = buffer.ReadUByte();
}
if (_peerSocketAddresses == null)
{
_peerSocketAddresses = new List <PeerSocketAddress>(_peerSocketAddressSize);
}
for (int i = _peerSocketAddresses.Count; i < _peerSocketAddressSize; i++)
{
if (buffer.ReadableBytes < Utils.Utils.ByteByteSize)
{
return(false);
}
int header = buffer.GetUByte(buffer.ReaderIndex);
bool isIPv4 = header == 0; // TODO check if works
size = PeerSocketAddress.Size(isIPv4);
if (buffer.ReadableBytes < size + Utils.Utils.ByteByteSize)
{
return(false);
}
// skip the ipv4/ipv6 header
buffer.SkipBytes(1);
_peerSocketAddresses.Add(PeerSocketAddress.Create(buffer, isIPv4));
}
Message.SetPeerSocketAddresses(_peerSocketAddresses);
LastContent = _contentTypes.Dequeue();
_peerSocketAddressSize = -1; // TODO why here? not in prepareFinish()?
_peerSocketAddresses = null;
break;
case Message.Content.SetKey640:
if (_keyCollectionSize == -1 && buffer.ReadableBytes < Utils.Utils.IntegerByteSize)
{
return(false);
}
if (_keyCollectionSize == -1)
{
_keyCollectionSize = buffer.ReadInt();
}
if (_keyCollection == null)
{
_keyCollection = new KeyCollection(new List <Number640>(_keyCollectionSize));
}
for (int i = _keyCollection.Size; i < _keyCollectionSize; i++)
{
if (buffer.ReadableBytes < 4 * Number160.ByteArraySize)
{
return(false);
}
var me = new sbyte[Number160.ByteArraySize];
buffer.ReadBytes(me);
var locationKey = new Number160(me);
buffer.ReadBytes(me);
var domainKey = new Number160(me);
buffer.ReadBytes(me);
var contentKey = new Number160(me);
buffer.ReadBytes(me);
var versionKey = new Number160(me);
_keyCollection.Add(new Number640(locationKey, domainKey, contentKey, versionKey));
}
Message.SetKeyCollection(_keyCollection);
LastContent = _contentTypes.Dequeue();
_keyCollectionSize = -1; // TODO why here? not in prepareFinish()?
_keyCollection = null;
break;
case Message.Content.MapKey640Data:
if (_mapSize == -1 && buffer.ReadableBytes < Utils.Utils.IntegerByteSize)
{
return(false);
}
if (_mapSize == -1)
{
_mapSize = buffer.ReadInt();
}
if (_dataMap == null)
{
_dataMap = new DataMap(new Dictionary <Number640, Data>(2 * _mapSize));
}
if (_data != null)
{
if (!_data.DecodeBuffer(buffer))
{
return(false);
}
if (!_data.DecodeDone(buffer, Message.PublicKey(0), _signatureFactory))
{
return(false);
}
_data = null; // TODO why here? not in prepareFinish()?
_key = null;
}
for (int i = _dataMap.Size; i < _mapSize; i++)
{
if (_key == null)
{
if (buffer.ReadableBytes < 4 * Number160.ByteArraySize)
{
return(false);
}
var me = new sbyte[Number160.ByteArraySize];
buffer.ReadBytes(me);
var locationKey = new Number160(me);
buffer.ReadBytes(me);
var domainKey = new Number160(me);
buffer.ReadBytes(me);
var contentKey = new Number160(me);
buffer.ReadBytes(me);
var versionKey = new Number160(me);
_key = new Number640(locationKey, domainKey, contentKey, versionKey);
}
_data = Data.DeocdeHeader(buffer, _signatureFactory);
if (_data == null)
{
return(false);
}
_dataMap.BackingDataMap.Add(_key, _data);
if (!_data.DecodeBuffer(buffer))
{
return(false);
}
if (!_data.DecodeDone(buffer, Message.PublicKey(0), _signatureFactory))
{
return(false);
}
// if we have signed the message, set the public key anyway, but only if we indicated so
if (Message.IsSign && Message.PublicKey(0) != null && _data.HasPublicKey &&
(_data.PublicKey == null || _data.PublicKey == PeerBuilder.EmptyPublicKey))
// TODO check empty key condition
{
_data.SetPublicKey(Message.PublicKey(0));
}
_data = null; // TODO why here? not in prepareFinish()?
_key = null;
}
Message.SetDataMap(_dataMap);
LastContent = _contentTypes.Dequeue();
_mapSize = -1; // TODO why here? not in prepareFinish()?
_dataMap = null;
break;
case Message.Content.MapKey640Keys:
if (_keyMap640KeysSize == -1 && buffer.ReadableBytes < Utils.Utils.IntegerByteSize)
{
return(false);
}
if (_keyMap640KeysSize == -1)
{
_keyMap640KeysSize = buffer.ReadInt();
}
if (_keyMap640Keys == null)
{
_keyMap640Keys = new KeyMap640Keys(new SortedDictionary <Number640, ICollection <Number160> >());
// TODO check TreeMap equivalent
}
const int meta = 4 * Number160.ByteArraySize;
for (int i = _keyMap640Keys.Size; i < _keyMap640KeysSize; i++)
{
if (buffer.ReadableBytes < meta + Utils.Utils.ByteByteSize)
{
return(false);
}
size = buffer.GetUByte(buffer.ReaderIndex + meta);
if (buffer.ReadableBytes <
meta + Utils.Utils.ByteByteSize + (size * Number160.ByteArraySize))
{
return(false);
}
var me = new sbyte[Number160.ByteArraySize];
buffer.ReadBytes(me);
var locationKey = new Number160(me);
buffer.ReadBytes(me);
var domainKey = new Number160(me);
buffer.ReadBytes(me);
var contentKey = new Number160(me);
buffer.ReadBytes(me);
var versionKey = new Number160(me);
int numBasedOn = buffer.ReadByte();
var value = new HashSet <Number160>();
for (int j = 0; j < numBasedOn; j++)
{
buffer.ReadBytes(me);
var basedOnKey = new Number160(me);
value.Add(basedOnKey);
}
_keyMap640Keys.Put(new Number640(locationKey, domainKey, contentKey, versionKey), value);
}
Message.SetKeyMap640Keys(_keyMap640Keys);
LastContent = _contentTypes.Dequeue();
_keyMap640KeysSize = -1; // TODO why here? not in prepareFinish()?
_keyMap640Keys = null;
break;
case Message.Content.MapKey640Byte:
if (_keyMapByteSize == -1 && buffer.ReadableBytes < Utils.Utils.IntegerByteSize)
{
return(false);
}
if (_keyMapByteSize == -1)
{
_keyMapByteSize = buffer.ReadInt();
}
if (_keyMapByte == null)
{
_keyMapByte = new KeyMapByte(new Dictionary <Number640, sbyte>(2 * _keyMapByteSize));
}
for (int i = _keyMapByte.Size; i < _keyMapByteSize; i++)
{
if (buffer.ReadableBytes < 4 * Number160.ByteArraySize + 1)
{
return(false);
}
var me = new sbyte[Number160.ByteArraySize];
buffer.ReadBytes(me);
var locationKey = new Number160(me);
buffer.ReadBytes(me);
var domainKey = new Number160(me);
buffer.ReadBytes(me);
var contentKey = new Number160(me);
buffer.ReadBytes(me);
var versionKey = new Number160(me);
sbyte value = buffer.ReadByte();
_keyMapByte.Put(new Number640(locationKey, domainKey, contentKey, versionKey), value);
}
Message.SetKeyMapByte(_keyMapByte);
LastContent = _contentTypes.Dequeue();
_keyMapByteSize = -1; // TODO why here? not in prepareFinish()?
_keyMapByte = null;
break;
case Message.Content.ByteBuffer:
if (_bufferSize == -1 && buffer.ReadableBytes < Utils.Utils.IntegerByteSize)
{
return(false);
}
if (_bufferSize == -1)
{
_bufferSize = buffer.ReadInt();
}
if (_buffer == null)
{
_buffer = new DataBuffer();
}
int already = _buffer.AlreadyTransferred;
int remaining = _bufferSize - already;
// already finished
if (remaining != 0)
{
int read = _buffer.TransferFrom(buffer, remaining);
if (read != remaining)
{
Logger.Debug(
"Still looking for data. Indicating that its not finished yet. Already Transferred = {0}, Size = {1}.",
_buffer.AlreadyTransferred, _bufferSize);
return(false);
}
}
ByteBuf buf2 = AlternativeCompositeByteBuf.CompBuffer(_buffer.ToByteBufs());
Message.SetBuffer(new Buffer(buf2, _bufferSize));
LastContent = _contentTypes.Dequeue();
_bufferSize = -1;
_buffer = null;
break;
case Message.Content.SetTrackerData:
if (_trackerDataSize == -1 && buffer.ReadableBytes < Utils.Utils.ByteByteSize)
{
return(false);
}
if (_trackerDataSize == -1)
{
_trackerDataSize = buffer.ReadUByte();
}
if (_trackerData == null)
{
_trackerData = new TrackerData(new Dictionary <PeerAddress, Data>(2 * _trackerDataSize));
}
if (_currentTrackerData != null)
{
if (!_currentTrackerData.DecodeBuffer(buffer))
{
return(false);
}
if (!_currentTrackerData.DecodeDone(buffer, Message.PublicKey(0), _signatureFactory))
{
return(false);
}
_currentTrackerData = null;
}
for (int i = _trackerData.Size; i < _trackerDataSize; i++)
{
if (buffer.ReadableBytes < Utils.Utils.ShortByteSize)
{
return(false);
}
int header = buffer.GetUShort(buffer.ReaderIndex);
size = PeerAddress.CalculateSize(header);
if (buffer.ReadableBytes < Utils.Utils.ShortByteSize)
{
return(false);
}
var pa = new PeerAddress(buffer);
_currentTrackerData = Data.DeocdeHeader(buffer, _signatureFactory);
if (_currentTrackerData == null)
{
return(false);
}
_trackerData.PeerAddresses.Add(pa, _currentTrackerData);
if (Message.IsSign)
{
_currentTrackerData.SetPublicKey(Message.PublicKey(0));
}
if (!_currentTrackerData.DecodeBuffer(buffer))
{
return(false);
}
if (!_currentTrackerData.DecodeDone(buffer, Message.PublicKey(0), _signatureFactory))
{
return(false);
}
_currentTrackerData = null; // TODO why here?
}
Message.SetTrackerData(_trackerData);
LastContent = _contentTypes.Dequeue();
_trackerDataSize = -1;
_trackerData = null;
break;
case Message.Content.PublicKey: // fall-through
case Message.Content.PublicKeySignature:
receivedPublicKey = _signatureFactory.DecodePublicKey(buffer);
if (content == Message.Content.PublicKeySignature)
{
if (receivedPublicKey == PeerBuilder.EmptyPublicKey) // TODO check if works
{
// TODO throw InvalidKeyException
throw new SystemException("The public key cannot be empty.");
}
}
if (receivedPublicKey == null)
{
return(false);
}
Message.SetPublicKey(receivedPublicKey);
LastContent = _contentTypes.Dequeue();
break;
default:
break;
}
}
if (Message.IsSign)
{
var signatureEncode = _signatureFactory.SignatureCodec;
size = signatureEncode.SignatureSize;
if (buffer.ReadableBytes < size)
{
return(false);
}
signatureEncode.Read(buffer);
Message.SetReceivedSignature(signatureEncode);
}
return(true);
}
/// <summary>
/// Set the ID of the recipient. The IP is used to connect to the recipient, but the IP is NOT transferred.
/// </summary>
/// <param name="recipient">The ID of the recipient.</param>
/// <returns>This class.</returns>
public Message SetRecipient(PeerAddress recipient)
{
Recipient = recipient;
return this;
}
public PeerAddressMessage(PeerAddress peerAddress, MessageType messageType = MessageType.PeerAddress)
{
PeerAddress = peerAddress;
TypeOfMessage = messageType;
}
public ClientInfo PeerAddress(PeerAddress peerAddress)
{
_peerAddress = peerAddress;
return this;
}
public static void Encode(XdrDataOutputStream stream, PeerAddress encodedPeerAddress)
{
PeerAddressIp.Encode(stream, encodedPeerAddress.Ip);
Uint32.Encode(stream, encodedPeerAddress.Port);
Uint32.Encode(stream, encodedPeerAddress.NumFailures);
}
