internal async Task SendCommandAsync(IMessage m)
{
var bytes = new byte[(m.CalculateSize())];
var stream = new CodedOutputStream(bytes);
m.WriteTo(stream);
var chunker = new PacketChunker(mtu);
//var all = chunker.Chunks(bytes).Select(x => characteristic.WriteValueAsync(x.AsBuffer(), GattWriteOption.WriteWithResponse).AsTask());
//await Task.WhenAll(all);
foreach (var c in chunker.Chunks(bytes))
{
try
{
Log.Information("Sending packet");
await characteristic.WriteValueAsync(c.AsBuffer(), GattWriteOption.WriteWithResponse);
}
catch (Exception e)
{
Log.Error(e, "");
throw;
}
}
//await characteristic.WriteValueAsync(bytes.AsBuffer(), GattWriteOption.WriteWithResponse);
Log.Information("Sent all packets");
}
public void Chunks_bytes_into_multiples_of_mtu_size()
{
byte[] total = Enumerable.Range(0, 200).Select(x => (byte)x).ToArray();
var chunks = new PacketChunker(20).Chunks(total);
chunks.Should().HaveCountGreaterOrEqualTo(10);
}
public void Appends_EOM_packet()
{
byte[] total = Enumerable.Range(0, 10).Select(x => (byte)x).ToArray();
var chunks = new PacketChunker(20).Chunks(total).ToArray();
chunks.Should().HaveCount(2);
chunks[1].Should().BeEquivalentTo("EOM");
}
public void Chunks_bytes_with_correct_content()
{
byte[] total = Enumerable.Range(0, 200).Select(x => (byte)x).ToArray();
var chunks = new PacketChunker(20).Chunks(total).ToArray();
chunks[0].Should().BeEquivalentTo(Enumerable.Range(0, 20));
chunks[1].Should().BeEquivalentTo(Enumerable.Range(20, 20));
chunks[2].Should().BeEquivalentTo(Enumerable.Range(40, 20));
chunks[3].Should().BeEquivalentTo(Enumerable.Range(60, 20));
chunks[4].Should().BeEquivalentTo(Enumerable.Range(80, 20));
}
public void Builds_multiples_into_one_buffer()
{
var total = Enumerable.Range(0, 200).Select(x => (byte)x).ToArray();
var chunks = new PacketChunker(20).Chunks(total);
chunks = chunks.Take(chunks.Count() - 1);
foreach (var block in chunks)
{
sut.AddBlock(block);
}
var fullPacket = sut.GetCompletedPacket();
fullPacket.Should().BeEquivalentTo(total);
}
