internal const int REDIS_MAX_ARGS = 1024 * 1024; // there is a <= 1024*1024 max constraint inside redis itself: https://github.com/antirez/redis/blob/6c60526db91e23fb2d666fc52facc9a11780a2a3/src/networking.c#L1024
internal void WriteHeader(string command, int arguments)
{
if (arguments >= REDIS_MAX_ARGS) // using >= here because we will be adding 1 for the command itself (which is an arg for the purposes of the multi-bulk protocol)
{
throw ExceptionFactory.TooManyArgs(Multiplexer.IncludeDetailInExceptions, command, null, Bridge.ServerEndPoint, arguments + 1);
}
var commandBytes = Multiplexer.CommandMap.GetBytes(command);
if (commandBytes == null)
{
throw ExceptionFactory.CommandDisabled(Multiplexer.IncludeDetailInExceptions, command, null, Bridge.ServerEndPoint);
}
outStream.WriteByte((byte)'*');
// remember the time of the first write that still not followed by read
Interlocked.CompareExchange(ref firstUnansweredWriteTickCount, Environment.TickCount, 0);
WriteRaw(outStream, arguments + 1);
WriteUnified(outStream, commandBytes);
}
