public void QueueTooManyClients()
{
var queue = new ConcurrentQueue <ClientConnection>();
var socket = new MockSocket();
var client0 = new ClientConnection(socket, ClientId.Next(), 100);
var client1 = new ClientConnection(socket, ClientId.Next(), 100);
var client2 = new ClientConnection(socket, ClientId.Next(), 100);
var client3 = new ClientConnection(socket, ClientId.Next(), 100);
socket.ExpectConnected(() => true);
socket.ExpectSend(data =>
{
Console.WriteLine(BitConverter.ToString(data.ToArray()));
Console.WriteLine(BitConverter.ToString(MessageCreationHelper.NoMoreSpaceForClientsMessage));
Assert.Equal(MessageCreationHelper.NoMoreSpaceForClientsMessage, data.ToArray());
return(data.Length);
});
socket.ExpectClose();
var dispatcher = new Dispatcher(queue, 3, BoundedInbox.Create(), new BoundedInbox[64],
BoundedInbox.Create());
queue.Enqueue(client0);
queue.Enqueue(client1);
queue.Enqueue(client2);
queue.Enqueue(client3);
dispatcher.DequeueNewClients();
socket.ExpectAllDone();
}
public void RemoveDeadClients()
{
var queue = new ConcurrentQueue <ClientConnection>();
var socket = new MockSocket();
var client = new ClientConnection(socket, ClientId.Next(), 100);
// First normal loop
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Second loop where client is disconnected and therefore deleted
socket.ExpectConnected(() => false);
// No actions for the third loop which should be empty
var dispatcher = new Dispatcher(queue, 3, BoundedInbox.Create(), new BoundedInbox[64],
BoundedInbox.Create());
queue.Enqueue(client);
dispatcher.DequeueNewClients();
// Normal listen (nothing happens though)
dispatcher.ListenToConnections();
// Client is disconnected
dispatcher.ListenToConnections();
// Empty loop
dispatcher.ListenToConnections();
socket.ExpectAllDone();
}
public void RemoveDeadClients()
{
var socket = new MockSocket();
var dispatcherInbox = new BoundedInbox();
var client = new ConnectionController(dispatcherInbox, socket, ClientId.Next());
client.OnRequestReceived = () => { };
socket.ExpectConnected(() => false);
var dispatcher = new DispatchController(dispatcherInbox, new BoundedInbox(), new BoundedInbox[4],
new IdentityHash());
dispatcher.OnConnectionAccepted = (_) => { };
dispatcher.AddConnection(client);
dispatcher.HandleNewConnection();
var firstMessage = new byte[100];
var message = new Message(firstMessage);
message.Header.ClientId = client.ClientId;
message.Header.MessageSizeInBytes = 100;
message.Header.MessageKind = MessageKind.CloseConnection;
Assert.True(dispatcherInbox.TryWrite(firstMessage));
dispatcher.HandleRequest();
socket.ExpectAllDone();
}
public Pipe RegisterClient(IDataClient client)
{
var id = ClientId.Next();
Logger.Log("Registering new client with id {0}", id);
var pipe = new Pipe(id, this);
var result = _clients.TryAdd(id, client);
Debug.Assert(result);
result = _pipes.TryAdd(id, pipe);
Debug.Assert(result);
client.Start();
return(pipe);
}
public void Setup()
{
var sharedInboxDispatcherController = BoundedInbox.Create();
var sharedOutboxDispatcherController = BoundedInbox.Create();
var clientQueue = new ConcurrentQueue <ClientConnection>();
_dispatcher = new Dispatcher(clientQueue, 3, sharedOutboxDispatcherController, new BoundedInbox[4],
sharedInboxDispatcherController);
_chain = new SimpleBlockchain();
_controllerThread = new ControllerThread(_chain, default(OptimizedLineage), sharedInboxDispatcherController,
sharedOutboxDispatcherController);
_clientConn = new ClientConnection(_socket, ClientId.Next(), ClientServerMessage.MaxSizeInBytes);
clientQueue.Enqueue(_clientConn);
_dispatcher.DequeueNewClients();
// TODO there should really be three threads, one for each component. However, I do not know how to test this.
}
public void Setup()
{
var dispatchInbox = new BoundedInbox();
var chainInbox = new BoundedInbox();
var coinInboxes = new BoundedInbox[ShardCount];
for (var i = 0; i < coinInboxes.Length; i++)
{
coinInboxes[i] = new BoundedInbox();
}
_dispatcher = new DispatchController(
dispatchInbox,
chainInbox,
coinInboxes,
new IdentityHash());
// Configure the wake-up callbacks to do nothing.
_dispatcher.OnBlockMessageDispatched = () => { };
for (var i = 0; i < _dispatcher.OnCoinMessageDispatched.Length; i++)
{
_dispatcher.OnCoinMessageDispatched[i] = () => { }
}
;
_store = new VolatileChainStore();
_chainController = new ChainController(
_store,
chainInbox,
dispatchInbox,
lineage => { });
var c1 = ClientId.Next();
_clientConn = new ConnectionController(dispatchInbox, _socket, c1);
_handleMask = c1.Mask;
_dispatcher.AddConnection(_clientConn);
_dispatcher.OnConnectionAccepted = _ => { };
_dispatcher.HandleNewConnection();
_c0 = new ClientId(0);
}
public void Listen(CancellationToken cancel)
{
// TODO: [vermorel] Use a 'ConnectionId' instead.
cancel.Register(() => _listener.Close());
while (!cancel.IsCancellationRequested)
{
try
{
var s = _listener.Accept();
_queue.Append(new ClientConnection(s, ClientId.Next(), _bufferOutLength));
}
catch
{
// TODO: [vermorel] We must log exceptions here.
// TODO: [vermorel] In debug mode, I would still suggest to crash the server.
// An exception is not allowed to kill the accept loop
}
}
}
public void QueueTooManyClients()
{
var socket = new MockSocket();
var dispatcherInbox = new BoundedInbox();
var dispatcher = new DispatchController(dispatcherInbox, new BoundedInbox(), new BoundedInbox[64],
new IdentityHash());
dispatcher.OnConnectionAccepted = (_) => { };
for (var i = 0; i < Constants.MaxActiveConnections; i++)
{
var client0 = new ConnectionController(dispatcherInbox, socket, ClientId.Next());
client0.OnRequestReceived = () => { };
dispatcher.AddConnection(client0);
dispatcher.HandleNewConnection();
}
var client1 = new ConnectionController(dispatcherInbox, socket, ClientId.Next());
client1.OnRequestReceived = () => { };
socket.ExpectSend(data =>
{
Assert.Equal(ProtocolErrorResponse.SizeInBytes, data.Length);
var errorMessage = new ProtocolErrorResponse(data);
Assert.Equal(MessageKind.ProtocolErrorResponse, errorMessage.MessageHeader.MessageKind);
Assert.Equal(ProtocolErrorStatus.TooManyActiveClients, errorMessage.Status);
return(data.Length);
});
dispatcher.AddConnection(client1);
dispatcher.HandleNewConnection();
client1.HandleResponse();
socket.ExpectAllDone();
}
public void ReadMultipleMessagesFromClient()
{
var queue = new ConcurrentQueue <ClientConnection>();
var socket = new MockSocket();
var client1 = new ClientConnection(socket, ClientId.Next(), 100);
var client2 = new ClientConnection(socket, ClientId.Next(), 100);
var dispatcher = new Dispatcher(queue, 3, BoundedInbox.Create(),
new BoundedInbox[2], BoundedInbox.Create());
// Client1 messages
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 600);
socket.ExpectReceive(data =>
{
data.Clear();
// Three messages, of sizes 200, 300 and 100
BitConverter.GetBytes(200).CopyTo(data);
BitConverter.GetBytes(300).CopyTo(data.Slice(200));
BitConverter.GetBytes(100).CopyTo(data.Slice(500));
return(600);
});
// Reading second message
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Reading third message
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Exiting loop
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Client2 messages
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 100);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(70).CopyTo(data);
BitConverter.GetBytes(30).CopyTo(data.Slice(70));
return(100);
});
// Reading second message
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Exiting loop
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Some more messages for Client1
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 60);
socket.ExpectReceive(data =>
{
data.Clear();
// Two messages, of sizes 10 and 40
BitConverter.GetBytes(25).CopyTo(data);
BitConverter.GetBytes(35).CopyTo(data.Slice(25));
return(60);
});
// Reading second message
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Exiting loop
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// No more messages for Client2
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
queue.Enqueue(client1);
queue.Enqueue(client2);
dispatcher.DequeueNewClients();
// Client1 reading 3 messages, Client2 two
dispatcher.ListenToConnections();
// Client1 reading 2 more messages, Client2 none
dispatcher.ListenToConnections();
socket.ExpectAllDone();
}
public void SendAnswers()
{
var queue = new ConcurrentQueue <ClientConnection>();
var socket = new MockSocket();
var outbox = BoundedInbox.Create();
var client1 = new ClientConnection(socket, ClientId.Next(), 100);
var client2 = new ClientConnection(socket, ClientId.Next(), 100);
queue.Enqueue(client1);
queue.Enqueue(client2);
var dispatcher = new Dispatcher(queue, 3, outbox,
new BoundedInbox[2], BoundedInbox.Create());
// Try sending message to one client, doesn't succeed
socket.ExpectConnected(() => true);
socket.ExpectSend(data => 0);
// Try sending message to the other client, doesn't succeed
socket.ExpectConnected(() => true);
socket.ExpectSend(data => 0);
// Try sending message to first client, socket gets closed
socket.ExpectConnected(() => true);
socket.ExpectClose();
// Try sending message to second client, socket gets closed
socket.ExpectConnected(() => true);
socket.ExpectClose();
var firstMessage = new byte[100];
BitConverter.GetBytes(100).CopyTo(new Span <byte>(firstMessage));
client2.ConnectionId.WriteTo( // send back to client2
firstMessage.AsSpan(ClientServerMessage.ClientIdStart, ClientServerMessage.ClientIdSizeInBytes));
var secondMessage = new byte[100];
BitConverter.GetBytes(100).CopyTo(new Span <byte>(secondMessage));
client1.ConnectionId.WriteTo( // send back to client1
secondMessage.AsSpan(ClientServerMessage.ClientIdStart, ClientServerMessage.ClientIdSizeInBytes));
var thirdMessage = new byte[50];
BitConverter.GetBytes(50).CopyTo(new Span <byte>(thirdMessage));
client1.ConnectionId.WriteTo( // send back to client1
thirdMessage.AsSpan(ClientServerMessage.ClientIdStart, ClientServerMessage.ClientIdSizeInBytes));
var fourthMessage = new byte[50];
BitConverter.GetBytes(50).CopyTo(new Span <byte>(fourthMessage));
client2.ConnectionId.WriteTo( // send back to client2
fourthMessage.AsSpan(ClientServerMessage.ClientIdStart, ClientServerMessage.ClientIdSizeInBytes));
// Write messages into dispatcher buffer for both clients
Assert.True(outbox.TryWrite(firstMessage));
Assert.True(outbox.TryWrite(secondMessage));
dispatcher.DequeueNewClients();
// Try sending the answers, fails
dispatcher.SendResponses();
Assert.True(outbox.TryWrite(thirdMessage));
Assert.True(outbox.TryWrite(fourthMessage));
dispatcher.SendResponses();
socket.ExpectAllDone();
}
public void FillShardedInboxes()
{
var queue = new ConcurrentQueue <ClientConnection>();
var socket = new MockSocket();
var client1 = new ClientConnection(socket, ClientId.Next(), 100);
var client2 = new ClientConnection(socket, ClientId.Next(), 100);
BoundedInbox[] threadInboxes =
{
BoundedInbox.Create(), BoundedInbox.Create()
};
var dispatcher = new Dispatcher(queue, 3, BoundedInbox.Create(),
threadInboxes, BoundedInbox.Create());
// Client1 sharded message
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => LargeMessageSize);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(LargeMessageSize).CopyTo(data);
data[ClientServerMessage.ShardedIndStart] = 0xFF; // 0xFF: all bits set to one, so "sharded" is set to 1 for sure
data[ClientServerMessage.PayloadStart] = 0x01;
return(LargeMessageSize);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Client2 sharded message
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => LargeMessageSize);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(LargeMessageSize).CopyTo(data);
data[12] = 0xFF;
return(LargeMessageSize);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Client1 sharded message, fills up first sharded inbox
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => LargeMessageSize);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(LargeMessageSize).CopyTo(data);
data[ClientServerMessage.ShardedIndStart] = 0xFF; // 0xFF: all bits set to one, so "sharded" is set to 1 for sure
data[ClientServerMessage.PayloadStart] = 0x00;
return(LargeMessageSize);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Client2 sharded message, fills up second sharded inbox
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => LargeMessageSize);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(LargeMessageSize).CopyTo(data);
data[ClientServerMessage.ShardedIndStart] = 0xFF; // 0xFF: all bits set to one, so "sharded" is set to 1 for sure
data[ClientServerMessage.PayloadStart] = 0x01;
return(LargeMessageSize);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Read and get error message server busy writing into second sharded inbox
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 20);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(20).CopyTo(data);
data[ClientServerMessage.ShardedIndStart] = 0xFF;
data[ClientServerMessage.PayloadStart] = 0x01;
return(20);
});
socket.ExpectConnected(() => true);
socket.ExpectSend(data =>
{
Assert.Equal(ClientServerMessage.PayloadStart, data.Length);
Assert.Equal(data[13], (byte)MessageType.ServerBusy);
return(ClientServerMessage.PayloadStart);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Read and get error message server busy writing into first sharded inbox
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 20);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(20).CopyTo(data);
data[ClientServerMessage.ShardedIndStart] = 0xFF; // 0xFF: all bits set to one, so "sharded" is set to 1 for sure
data[ClientServerMessage.PayloadStart] = 0x00;
return(20);
});
socket.ExpectConnected(() => true);
socket.ExpectSend(data =>
{
Assert.Equal(ClientServerMessage.PayloadStart, data.Length);
Assert.Equal(MessageType.ServerBusy, ClientServerMessage.GetMessageType(data));
return(ClientServerMessage.PayloadStart);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
queue.Enqueue(client1);
queue.Enqueue(client2);
dispatcher.DequeueNewClients();
// Client1 into sharded inbox 1, Client2 into sharded inbox 2
dispatcher.ListenToConnections();
// Client1 filling up sharded inbox 2, Client2 filling up sharded inbox 1
dispatcher.ListenToConnections();
// Errors when trying to write into any inbox
dispatcher.ListenToConnections();
socket.ExpectAllDone();
}
public void FillControllerInbox()
{
var queue = new ConcurrentQueue <ClientConnection>();
var socket = new MockSocket();
var client1 = new ClientConnection(socket, ClientId.Next(), 100);
var client2 = new ClientConnection(socket, ClientId.Next(), 100);
// Client1 empty inbox
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Client2 unsharded message
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => LargeMessageSize);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(LargeMessageSize).CopyTo(data);
return(LargeMessageSize);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Client1 unsharded message, fills up ControllerInbox
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => LargeMessageSize);
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(LargeMessageSize).CopyTo(data);
return(LargeMessageSize);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
// Client2 unsharded message, gets BufferFull response
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => ClientServerMessage.PayloadStart); // minimal valid message size
socket.ExpectReceive(data =>
{
data.Clear();
BitConverter.GetBytes(ClientServerMessage.PayloadStart).CopyTo(data);
return(ClientServerMessage.PayloadStart);
});
socket.ExpectConnected(() => true);
socket.ExpectSend(data =>
{
Assert.Equal(ClientServerMessage.PayloadStart, data.Length);
Assert.Equal(data[13], (int)MessageType.ServerBusy);
return(ClientServerMessage.PayloadStart);
});
socket.ExpectConnected(() => true);
socket.ExpectAvailable(() => 0);
var dispatcher = new Dispatcher(queue, 3, BoundedInbox.Create(), new BoundedInbox[64],
BoundedInbox.Create());
queue.Enqueue(client1);
queue.Enqueue(client2);
dispatcher.DequeueNewClients();
// Client1 empty inbox, Client2 LargeMessageSize bytes unsharded
dispatcher.ListenToConnections();
// Client1 LargeMessageSize bytes unsharded, Client2 10 bytes, error message
dispatcher.ListenToConnections();
socket.ExpectAllDone();
}
public ClientConnectionTests()
{
Socket = new MockSocket();
_cc = new ClientConnection(Socket, ClientId.Next(), 4000);
}
public void SendAnswers()
{
var dispatcherInbox = new BoundedInbox();
var socket1 = new MockSocket();
var socket2 = new MockSocket();
var client1 = new ConnectionController(dispatcherInbox, socket1, ClientId.Next());
var client2 = new ConnectionController(dispatcherInbox, socket2, ClientId.Next());
client1.OnRequestReceived = () => { };
client2.OnRequestReceived = () => { };
var dispatcher = new DispatchController(dispatcherInbox, new BoundedInbox(), new BoundedInbox[2],
new IdentityHash());
// Nil handling of notifications
dispatcher.OnBlockMessageDispatched = () => { };
for (var i = 0; i < dispatcher.OnCoinMessageDispatched.Length; i++)
{
dispatcher.OnCoinMessageDispatched[i] = () => { }
}
;
dispatcher.OnConnectionAccepted = (_) => { };
var firstMessage = new byte[Constants.MaxRequestSize];
var message = new Message(firstMessage);
message.Header.ClientId = client2.ClientId;
message.Header.MessageSizeInBytes = Constants.MaxRequestSize;
message.Header.MessageKind = MessageKind.GetCoinResponse;
var secondMessage = new byte[Constants.MaxRequestSize];
message = new Message(secondMessage);
message.Header.ClientId = client1.ClientId;
message.Header.MessageSizeInBytes = Constants.MaxRequestSize;
message.Header.MessageKind = MessageKind.GetCoinResponse;
var thirdMessage = new byte[50];
message = new Message(thirdMessage);
message.Header.ClientId = client1.ClientId;
message.Header.MessageSizeInBytes = 50;
message.Header.MessageKind = MessageKind.GetCoinResponse;
var fourthMessage = new byte[50];
message = new Message(fourthMessage);
message.Header.ClientId = client2.ClientId;
message.Header.MessageSizeInBytes = 50;
message.Header.MessageKind = MessageKind.GetCoinResponse;
dispatcher.AddConnection(client1);
dispatcher.AddConnection(client2);
dispatcher.HandleNewConnection();
dispatcher.HandleNewConnection();
// Write messages into dispatcher buffer for both clients
for (var i = 0; i < Constants.SocketSendBufferSize / Constants.MaxRequestSize; i++)
{
socket1.ExpectConnected(() => true);
socket2.ExpectConnected(() => true);
Assert.True(dispatcherInbox.TryWrite(firstMessage));
Assert.True(dispatcherInbox.TryWrite(secondMessage));
// Try sending the answers, fails
dispatcher.HandleRequest();
dispatcher.HandleRequest();
}
// Try sending message to first client, socket gets closed
socket1.ExpectConnected(() => true);
socket1.ExpectClose();
// Try sending message to second client, socket gets closed
socket2.ExpectConnected(() => true);
socket2.ExpectClose();
Assert.True(dispatcherInbox.TryWrite(thirdMessage));
Assert.True(dispatcherInbox.TryWrite(fourthMessage));
dispatcher.HandleRequest();
dispatcher.HandleRequest();
socket1.ExpectAllDone();
socket2.ExpectAllDone();
}
}
public void FillChainControllerInbox()
{
var socket1 = new MockSocket();
var socket2 = new MockSocket();
var dispatcherInbox = new BoundedInbox();
var client1 = new ConnectionController(dispatcherInbox, socket1, ClientId.Next());
var client2 = new ConnectionController(dispatcherInbox, socket2, ClientId.Next());
client1.OnRequestReceived = () => { };
client2.OnRequestReceived = () => { };
Func <int, int, MockSocket.SpanToInt> func = (s1, s2) =>
{
return(data =>
{
data.Clear();
BinaryPrimitives.TryWriteInt32LittleEndian(data, s1);
// TODO: [vermorel] PingChainController has been removed, logic need to be upgraded.
//MessageKind.PingChainController.WriteTo(data.Slice(MessageHeaderHelper.MessageKindStart));
return s2;
});
};
socket2.ExpectReceive(func(LargeMessageSize, MessageHeader.SizeInBytes));
socket2.ExpectReceive(func(LargeMessageSize, LargeMessageSize));
socket1.ExpectReceive(func(LargeMessageSize, MessageHeader.SizeInBytes));
socket1.ExpectReceive(func(LargeMessageSize, LargeMessageSize));
// request too short
var bodyStart = sizeof(int) + RequestId.SizeInBytes + ClientId.SizeInBytes + sizeof(MessageKind);
socket2.ExpectReceive(func(bodyStart, bodyStart));
socket2.ExpectSend(data =>
{
Assert.Equal(ProtocolErrorResponse.SizeInBytes, data.Length);
var message = new ProtocolErrorResponse(data);
Assert.Equal(MessageKind.ProtocolErrorResponse, message.MessageHeader.MessageKind);
Assert.Equal(ProtocolErrorStatus.RequestTooShort, message.Status);
return(ProtocolErrorResponse.SizeInBytes);
});
socket2.ExpectConnected(() => true);
socket1.ExpectConnected(() => true);
var dispatcher = new DispatchController(dispatcherInbox,
new BoundedInbox(Constants.MaxResponseSize),
Enumerable.Range(0, 32).Select(x => new BoundedInbox()).ToArray(),
new IdentityHash());
// Nil handling of notifications
dispatcher.OnBlockMessageDispatched = () => { };
for (var i = 0; i < dispatcher.OnCoinMessageDispatched.Length; i++)
{
dispatcher.OnCoinMessageDispatched[i] = () => { }
}
;
dispatcher.OnConnectionAccepted = (_) => { };
dispatcher.AddConnection(client1);
dispatcher.AddConnection(client2);
dispatcher.HandleNewConnection();
dispatcher.HandleNewConnection();
client1.HandleRequest();
client2.HandleRequest();
client2.HandleRequest();
client2.HandleResponse();
dispatcher.HandleRequest();
dispatcher.HandleRequest();
dispatcher.HandleRequest();
socket1.ExpectAllDone();
socket2.ExpectAllDone();
}
public (IChainStore, BoundedInbox, BoundedInbox, ChainController, ClientId) Setup(int pruneLimit = 100)
{
var store = new VolatileChainStore();
store.BlockPruneLimitDistance = pruneLimit;
Assert.Equal(OpenBlockStatus.Success,
store.TryOpenBlock(CommittedBlockId.GenesisParent, out var openedBlock));
var id = openedBlock.Alias;
Assert.NotEqual(BlockAlias.GenesisParent, id);
Assert.Equal(CommitBlockStatus.Success, store.TryCommitBlock(id, CommittedBlockId.Genesis, out _));
// C(0)
Assert.Equal(OpenBlockStatus.Success, store.TryOpenBlock(CommittedBlockId.Genesis, out var cb1));
Assert.Equal(_1, cb1.Alias);
Assert.Equal(CommitBlockStatus.Success, store.TryCommitBlock(cb1.Alias, _id_1, out _));
// C(0) -> C(1)
Assert.Equal(OpenBlockStatus.Success, store.TryOpenBlock(_id_1, out var cb2));
Assert.Equal(_2, cb2.Alias);
Assert.Equal(CommitBlockStatus.Success, store.TryCommitBlock(cb2.Alias, _id_2, out _));
// C(0) -> C(1) -> C(2)
// Second child for block 2
Assert.Equal(OpenBlockStatus.Success, store.TryOpenBlock(_id_1, out var cb3));
Assert.Equal(_2_1, cb3.Alias);
Assert.Equal(CommitBlockStatus.Success, store.TryCommitBlock(cb3.Alias, _id_2_1, out _));
// C(0) -> C(1) -> C(2)
// \-> C(2-1)
// main chain prolonged
Assert.Equal(OpenBlockStatus.Success, store.TryOpenBlock(_id_2, out var cb4));
Assert.Equal(_3, cb4.Alias);
Assert.Equal(CommitBlockStatus.Success, store.TryCommitBlock(cb4.Alias, _id_3, out _));
// C(0) -> C(1) -> C(2) -> C(3)
// \-> C(2-1)
// side chain prolonged
Assert.Equal(OpenBlockStatus.Success, store.TryOpenBlock(_id_2_1, out var cb5));
// the new assert
Assert.Equal(_3_1, cb5.Alias);
// the new assert
Assert.Equal(CommitBlockStatus.Success, store.TryCommitBlock(cb5.Alias, _id_3_1, out _));
// C(0) -> C(1) -> C(2) -> C(3)
// \-> C(2-1) -> C(3-1)
// fork on end of main chain
Assert.Equal(OpenBlockStatus.Success, store.TryOpenBlock(_id_3, out var cb6));
Assert.Equal(_4_0, cb6.Alias);
Assert.Equal(CommitBlockStatus.Success, store.TryCommitBlock(cb6.Alias, _id_4_0, out _));
Assert.Equal(OpenBlockStatus.Success, store.TryOpenBlock(_id_3, out var cb7));
Assert.Equal(_4_1, cb7.Alias);
Assert.Equal(CommitBlockStatus.Success, store.TryCommitBlock(cb7.Alias, _id_4_1, out _));
// C(0) -> C(1) -> C(2) -> C(3) -> C(4)
// | \-> C(4-1)
// \-> C(2-1) -> C(3-1)
var inbox = new BoundedInbox();
var outbox = new BoundedInbox();
var chainController = new ChainController(
store,
inbox,
outbox,
lineage => { });
ClientId.Next();
ClientId.Next();
ClientId.Next();
ClientId.Next();
var c5 = ClientId.Next();
return(store, inbox, outbox, chainController, c5);
}