private static async Task SendAsync(WebSocket webSocket, CancellationToken cancellationToken)
{
Memory <byte> buffer = new byte[1024 * 1024];
//
// speech.config
//
{
var message = new TextMessage();
message.Path = "speech.config";
message.RequestId = Guid.NewGuid();
message.Headers.Add("Content-Type", "application/json;charset=utf-8");
message.Body = JsonConvert.SerializeObject(JsonConvert.DeserializeObject(File.ReadAllText(Path.Combine(Directory.GetCurrentDirectory(), "speech.config.json"))));
int totalLength = s_textMessageSerializer.Serialize(message, buffer.Span);
await webSocket.SendAsync(buffer.Slice(0, totalLength), WebSocketMessageType.Text, true, cancellationToken);
}
//
// send audio file
//
{
var message = new BinaryMessage();
message.Path = "audio";
message.RequestId = Guid.NewGuid();
message.Headers.Add("Content-Type", "audio/x-wav");
int bodyLength = 0;
using (var stream = File.OpenRead(Path.Combine(Directory.GetCurrentDirectory(), "data", "b0050.wav")))
{
bodyLength += await stream.ReadAsync(buffer, cancellationToken);
}
// Rewrite wav header.
WavHeaderWriter.TryWritePcmWavHeader(buffer.Span, 1, 16000, 16, 0);
message.Body = buffer.Slice(0, bodyLength).ToArray();
int totalLength = s_binaryMessageSerializer.Serialize(message, buffer.Span);
await webSocket.SendAsync(buffer.Slice(0, totalLength), WebSocketMessageType.Binary, true, cancellationToken);
}
}
public static async Task SendMessageAsync(this Stream stream, object messageObject, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var serializedMessage = BinaryMessageSerializer.Serialize(messageObject);
var sizeBytes = serializedMessage.Length.ToHexBytes();
using (var memoryStream = new MemoryStream())
{
memoryStream.Write(sizeBytes, 0, sizeBytes.Length);
memoryStream.Write(ControlSeq, 0, ControlSeq.Length);
memoryStream.Write(serializedMessage, 0, serializedMessage.Length);
memoryStream.Seek(0, SeekOrigin.Begin);
await memoryStream.CopyToAsync(stream, BufferSize, cancellationToken).ConfigureAwait(false);
}
}
public void The_binary_formatter_should_make_mouths_happy()
{
byte[] serializedMessageData;
IMessageSerializer serializer = new BinaryMessageSerializer();
using (MemoryStream output = new MemoryStream())
{
serializer.Serialize(output, _message);
serializedMessageData = output.ToArray();
}
using (MemoryStream input = new MemoryStream(serializedMessageData))
{
SerializationTestMessage receivedMessage = serializer.Deserialize(input) as SerializationTestMessage;
Assert.AreEqual(_message, receivedMessage);
}
}
public void The_binary_formatter_should_make_mouths_happy()
{
byte[] serializedMessageData;
IMessageSerializer serializer = new BinaryMessageSerializer();
using (MemoryStream output = new MemoryStream())
{
serializer.Serialize(output, _message);
serializedMessageData = output.ToArray();
}
using (MemoryStream input = new MemoryStream(serializedMessageData))
{
SerializationTestMessage receivedMessage = serializer.Deserialize(input) as SerializationTestMessage;
Assert.AreEqual(_message, receivedMessage);
}
}