internal async Task SendAsync(GatewayPayload payload,
bool highPriority,
WebSocketMessageType msgType,
CancellationToken cts) // TODO : заменить CTS на Action
{
Console.WriteLine($"Sending: {payload.Opcode}");
payload.Sequence = lastSequence;
string jsonPayload = JsonConvert.SerializeObject(payload, typeof(GatewayPayload), null); // TODO : сериализацию с помощью внещнего проекта
byte[] jsonBytes = Encoding.UTF8.GetBytes(jsonPayload);
byte chunksCount = 0;
for (int dataLength = jsonBytes.Length; dataLength > 0; dataLength -= chunkSize)
{
chunksCount++;
}
PayloadRecovery recovery = new PayloadRecovery(payload, highPriority, msgType);
try
{
using (SocketAccessToken token = highPriority
? socketHelper.GetHighPrioritySendAccess()
: socketHelper.GetSendAccess())
{
token.OnCancellation(x => ResendPayloadAsync(x), recovery); // TODO : проверить на работоспособность
if (chunksCount == 1)
{
await socket.SendAsync(new ArraySegment <byte>(jsonBytes), msgType, true, token.CancellationToken);
}
else
{
for (int i = 0; i < chunksCount; i++)
{
bool isLastMsg = i == chunksCount;
int offset = i * chunkSize,
count = isLastMsg ? (jsonBytes.Length - chunkSize * i) : chunkSize;
await socket.SendAsync(new ArraySegment <byte>(jsonBytes, offset, count), msgType, isLastMsg, token.CancellationToken);
}
}
}
}
catch (OperationCanceledException ex)
{
// TODO : логирование
return;
}
catch (WebSocketException ex)
{
Reconnect();
return;
}
Interlocked.Increment(ref payloadSentLastMinute);
}
private async Task ResendPayloadAsync(object recoveryData)
{
PayloadRecovery recovery = recoveryData as PayloadRecovery;
await SendAsync(recovery.Payload, recovery.IsHighPriority, recovery.MessageType, CancellationToken.None);
}