public bool TryHandshake(AmqpProtocol client, out AmqpProtocol server)
{
if (_client == null)
{
_client = new TcpClient();
_client.Connect(_endpoint, AmqpPort);
_stream = _client.GetStream();
_inner = _stream;
UpgradeToTls();
}
Span <byte> amqp = stackalloc byte[16]; // slack is needed for read (below)
amqp[0] = (byte)'A';
amqp[1] = (byte)'M';
amqp[2] = (byte)'Q';
amqp[3] = (byte)'P';
amqp[4] = (byte)client.Security;
amqp[5] = client.Major;
amqp[6] = client.Minor;
amqp[7] = client.Revision;
_stream.Write(amqp.Slice(0, 8));
_stream.Flush();
amqp.Clear();
int read = _stream.Read(amqp);
var response = amqp.Slice(0, read);
return(TryParseHandshake(response, out server));
}
bool TryParseHandshake(ReadOnlySpan <byte> response, out AmqpProtocol protocol)
{
if (response.Length == 8 && response.StartsWith(s_Amqp))
{
protocol = new AmqpProtocol();
protocol.Security = (AmqpSecurity)response[4];
protocol.Major = response[5];
protocol.Minor = response[6];
protocol.Revision = response[7];
return(true);
}
else
{
protocol = default;
return(false);
}
}