public void WriteMessage(NatsOperation operation, IBufferWriter <byte> output)
{
var writer = new NatsWriter(output);
switch (operation.OpId)
{
case NatsOperationId.PING:
writer.WriteString("PING\r\n");
break;
case NatsOperationId.PONG:
writer.WriteString("PONG\r\n");
break;
case NatsOperationId.PUB:
WritePub(ref writer, (PubOperation)operation.Op);
break;
case NatsOperationId.SUB:
WriteSub(ref writer, (SubOperation)operation.Op);
break;
case NatsOperationId.CONNECT:
WriteConnect(ref writer, (ConnectOperation)operation.Op);
break;
}
writer.Commit();
}
private static void WriteSub(ref NatsWriter writer, SubOperation op)
{
writer.WriteString($"SUB {op.Subject}");
if (!string.IsNullOrEmpty(op.QueueGroup))
{
writer.WriteString(" ");
writer.WriteString(op.QueueGroup);
}
writer.WriteString(" ");
writer.WriteString(op.Sid);
writer.Write(CRLF);
}
private static void WritePub(ref NatsWriter writer, PubOperation op)
{
writer.WriteString($"PUB {op.Subject} ");
if (!string.IsNullOrEmpty(op.ReplyTo))
{
writer.WriteString(op.ReplyTo);
writer.WriteString(" ");
}
writer.WriteInt(op.Data.Length);
writer.Write(CRLF);
writer.Write(op.Data.Span);
writer.Write(CRLF);
}
private static void WriteConnect(ref NatsWriter writer, ConnectOperation op)
{
writer.WriteString($"CONNECT ");
writer.WriteJson(op);
writer.Write(CRLF);
}