public async Task UnSubscribeAsync(NATSMsgSubscriptionConfig subscriptionConfig)
{
await _policy.ExecuteAsync(async (content) =>
{
await ConnectAsync();
var UnSubscribePacket = new UnSubscribePacket(subscriptionConfig.SubscribeId);
await _embed_channel.WriteAndFlushAsync(UnSubscribePacket);
}, new Dictionary <string, object>() { { "hld", "UnSubscribeAsync" } });
}
protected static void EncodeUnsubscribeMessage(IByteBufferAllocator bufferAllocator, UnSubscribePacket packet, List <object> output)
{
byte[] IdBytes = EncodeStringInUtf8(packet.Id);
byte[] WaitMessagesBytes = EncodeStringInUtf8(packet.WaitMessages?.ToString() ?? string.Empty);
int variablePartSize = IdBytes.Length + CRLF_BYTES.Length;
if (WaitMessagesBytes.Length > 0)
{
variablePartSize += SPACES_BYTES.Length + WaitMessagesBytes.Length;
}
int fixedHeaderBufferSize = UNSUB_BYTES.Length + SPACES_BYTES.Length;
IByteBuffer buf = null;
try
{
buf = bufferAllocator.Buffer(fixedHeaderBufferSize + variablePartSize);
buf.WriteBytes(UNSUB_BYTES);
buf.WriteBytes(SPACES_BYTES);
buf.WriteBytes(IdBytes);
if (WaitMessagesBytes.Length > 0)
{
buf.WriteBytes(SPACES_BYTES);
buf.WriteBytes(WaitMessagesBytes);
}
buf.WriteBytes(CRLF_BYTES);
output.Add(buf);
buf = null;
}
finally
{
buf?.SafeRelease();
}
}
