public SendEvent(DateTime time, TimeSpan interval, DeviceAgent initiator, AsyncBox <bool> completionBox, byte[] payload, int bytesSent) : base(time)
{
Interval = interval;
Initiator = initiator;
CompletionBox = completionBox;
Payload = payload;
BytesSent = bytesSent;
}
public SimulationConnectionContext(DeviceAgent firstAgent, DeviceAgent secondAgent)
{
this.firstAgent = firstAgent;
this.secondAgent = secondAgent;
this.firstInboundChannel = new DisconnectableChannel <byte[], NotConnectedException>(firstDisconnectChannel, ChannelFactory.Nonblocking <byte[]>());
this.secondInboundChannel = new DisconnectableChannel <byte[], NotConnectedException>(secondDisconnectChannel, ChannelFactory.Nonblocking <byte[]>());
}
public async Task SendAsync(DeviceAgent sender, byte[] contents)
{
var interval = TimeSpan.FromMilliseconds(SimulationBluetoothConstants.SEND_TICK_INTERVAL);
var completionBox = new AsyncBox <bool>();
var sendEvent = new SendEvent(DateTime.Now + interval, interval, sender, completionBox, contents, 0);
await ChannelsExtensions.WriteAsync(adapterEventQueueChannel, sendEvent).ConfigureAwait(false);
await completionBox.GetResultAsync().ConfigureAwait(false);
}
public static SimulationBluetoothConnectivity ComputeConnectivity(DeviceAgent a, DeviceAgent b)
{
var quality = 1.0 - (a.Position - b.Position).LengthSquared() / SimulationBluetoothConstants.RANGE_SQUARED;
return(new SimulationBluetoothConnectivity {
InRange = quality > 0.0,
IsSufficientQuality = quality > SimulationBluetoothConstants.MIN_VIABLE_SIGNAL_QUALITY,
SignalQuality = (float)Math.Max(0, quality)
});
}
public async Task ConnectAsync(DeviceAgent sender)
{
var now = DateTime.Now;
var connectEvent = new BeginConnectEvent(now + TimeSpan.FromMilliseconds(SimulationBluetoothConstants.BASE_HANDSHAKE_DELAY_MILLIS), sender);
await ChannelsExtensions.WriteAsync(adapterEventQueueChannel, connectEvent).ConfigureAwait(false);
var timeoutEvent = new TimeoutConnectEvent(now + TimeSpan.FromMilliseconds(SimulationBluetoothConstants.HANDSHAKE_TIMEOUT_MILLIS), connectEvent);
await ChannelsExtensions.WriteAsync(adapterEventQueueChannel, timeoutEvent).ConfigureAwait(false);
await connectEvent.ResultBox.GetResultAsync().ConfigureAwait(false);
}
private static DeviceAgent[] ConstructAgents(SimulatorConfiguration configuration)
{
var random = new Random(2);
var agents = new DeviceAgent[configuration.AgentCount];
for (int i = 0; i < agents.Length; i++)
{
agents[i] = new DeviceAgent {
BluetoothAdapterId = Guid.NewGuid(),
Position = new Vector2(
random.Next(configuration.AgentRadius, configuration.FieldWidth - configuration.AgentRadius),
random.Next(configuration.AgentRadius, configuration.FieldHeight - configuration.AgentRadius)
),
Velocity = Vector2.Transform(new Vector2(10, 0), Matrix.CreateRotationZ((float)(random.NextDouble() * Math.PI * 2)))
};
}
agents[0].Position = new Vector2(300, 300);
agents[1].Position = new Vector2(310, 300);
var agentsPerRow = (4 * (int)Math.Sqrt(agents.Length)) / 3;
var hSPacing = 60;
var vSPacing = 60;
var gw = agentsPerRow * hSPacing;
var gh = (agents.Length / agentsPerRow) * vSPacing;
var ox = (configuration.FieldWidth - gw) / 2;
var oy = (configuration.FieldHeight - gh) / 2;
for (var i = 0; i < agents.Length; i++)
{
agents[i].Position = new Vector2((i % agentsPerRow) * hSPacing + ox, (i / agentsPerRow) * vSPacing + oy);
}
for (var i = 0; i < agents.Length; i++)
{
agents[i].Position += agents[i].Velocity * 10;
agents[i].Velocity = Vector2.Zero;
}
var agentIndexToNeighborsByAdapterId = Enumerable.Range(0, agents.Length).ToDictionary(
i => i,
i => new Dictionary <Guid, SimulationBluetoothAdapter.SimulationBluetoothNeighbor>());
for (int i = 0; i < agents.Length; i++)
{
var agent = agents[i];
var bluetoothAdapter = agent.BluetoothAdapter = new SimulationBluetoothAdapter(agent, agentIndexToNeighborsByAdapterId[i]);
agent.BluetoothAdapter.Permit(SimulationBluetoothAdapter.MAX_RATE_LIMIT_TOKENS * (float)random.NextDouble());
var broadcastMessageSerializer = new BroadcastMessageSerializer();
var merkleTreeFactory = new ClientMerkleTreeFactory(broadcastMessageSerializer, new InMemoryCampfireNetObjectStore());
var identity = agent.CampfireNetIdentity = (Identity) new Identity(new IdentityManager(), $"Agent_{i}");
if (i == 0 || i == 1)
{
agent.CampfireNetIdentity.GenerateRootChain();
}
else
{
var rootAgent = agents[i % 2];
agent.CampfireNetIdentity.AddTrustChain(rootAgent.CampfireNetIdentity.GenerateNewChain(identity.PublicIdentity, Permission.All, Permission.None, identity.Name));
}
var client = agent.Client = new CampfireNetClient(identity, bluetoothAdapter, broadcastMessageSerializer, merkleTreeFactory);
client.MessageReceived += e => {
var epoch = BitConverter.ToInt32(e.Message.DecryptedPayload, 0);
// Console.WriteLine($"{client.AdapterId:n} recv {epoch}");
agent.Value = Math.Max(agent.Value, epoch);
};
client.RunAsync().ContinueWith(task => {
if (task.IsFaulted)
{
Console.WriteLine(task.Exception);
}
});
}
return(agents);
}
public SimulationBluetoothNeighbor(DeviceAgent self, SimulationConnectionContext connectionContext)
{
this.self = self;
this.connectionContext = connectionContext;
}
public SimulationBluetoothAdapter(DeviceAgent agent, Dictionary <Guid, SimulationBluetoothNeighbor> neighborsByAdapterId)
{
this.agent = agent;
this.neighborsByAdapterId = neighborsByAdapterId;
}
public BeginConnectEvent(DateTime time, DeviceAgent initiator) : base(time)
{
Initiator = initiator;
}
public bool GetIsConnected(DeviceAgent self) => self == firstAgent ? !firstDisconnectChannel.IsClosed : !secondDisconnectChannel.IsClosed;
public ReadableChannel <byte[]> GetOtherInboundChannel(DeviceAgent self) => GetOtherInboundChannelInternal(self);
private Channel <byte[]> GetOtherInboundChannelInternal(DeviceAgent self) => GetInboundChannelInternal(GetOther(self));
private Channel <byte[]> GetInboundChannelInternal(DeviceAgent self) => self == firstAgent ? firstInboundChannel : secondInboundChannel;
public DeviceAgent GetOther(DeviceAgent self) => self == firstAgent ? secondAgent : firstAgent;