public IActionResult DisplayViewAsImage()
{
var sim = Program.uglyGlobalSimulation;
lock (sim)
{
var filename = "/tmp/tmp.png";
var w = 1600;
var h = 1000;
var scale = 0.150; // TODO: automatically determine boundaries of view
var fontSize = 9;
GraphicsOutput.RenderPng(sim.CoordSpace, sim.Network, sim.Units, Program.uglyGlobalTCSS, filename, w, h, scale, fontSize);
byte[] filedata = System.IO.File.ReadAllBytes(filename);
string contentType = "image/png";
return(File(filedata, contentType));
}
}
private static void Subscribe(Simulation sim)
{
var factory = new ConnectionFactory()
{
HostName = "localhost"
};
var connection = factory.CreateConnection();
var channel = connection.CreateModel();
var simStateQueue = channel.QueueDeclare().QueueName;
channel.ExchangeDeclare(exchange: "SimState_full.cbor",
type: ExchangeType.Fanout);
channel.QueueBind(queue: simStateQueue,
exchange: "SimState_full.cbor",
routingKey: "");
channel.ExchangeDeclare(exchange: "TSIM.cbor",
type: ExchangeType.Fanout);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
// var message = Encoding.UTF8.GetString(ea.Body.ToArray());
// Console.WriteLine("RX " + message);
var(unitsSnapshot, controlSnapshot, simInfoSnapshot) = Serialization.UnglueFullSimSnapshot(ea.Body.ToArray());
// var message = Encoding.UTF8.GetString(unitsSnapshot);
// Console.WriteLine("RX " + message);
// var message = Encoding.UTF8.GetString(controlSnapshot);
// Console.WriteLine("RX " + message);
var controlStateMap = Serialization.DeserializeTrainControlState(controlSnapshot);
uglyGlobalTCSS = controlStateMap;
lock (sim)
{
// Serialization.DeserializeInfoSnapshot(sim, simInfoSnapshot);
sim.Units.SnapshotFullRestore(unitsSnapshot);
// Render outputs
var filename = "/tmp/tmp.png";
var w = 1400;
var h = 1000;
var scale = 0.150; // TODO: automatically determine boundaries of view
var fontSize = 9;
GraphicsOutput.RenderPng(sim.CoordSpace, sim.Network, sim.Units, Program.uglyGlobalTCSS, filename, w, h, scale, fontSize);
byte[] filedata = System.IO.File.ReadAllBytes(filename);
string contentType = "image/png";
// Wrap in CBOR & publish
var cbor = CBORObject.NewMap()
.Add("objects", CBORObject.NewArray()
.Add(CBORObject.NewMap()
.Add("name", "main") // deprecated
.Add("topic", "main")
.Add("displayName", "TSIM View")
.Add("mimeType", contentType)
.Add("data", filedata)
)
.Add(ControlSystemStateMapToCbor(Program.uglyGlobalTCSS))
.Add(SimulationStateMapToCbor(/*sim.SimTimeElapsed*/ simInfoSnapshot))
.Add(UnitsToCbor(sim.Units))
)
.Add("controls", CBORObject.NewArray())
;
channel.BasicPublish(exchange: "TSIM.cbor",
routingKey: "",
basicProperties: null,
body: cbor.EncodeToBytes());
// Console.WriteLine($"Pub now");
}
};
channel.BasicConsume(queue: simStateQueue,
autoAck: true,
consumer: consumer);
}