PeerCastStation.Core.AccessController.IsChannelPlayable C# (CSharp) Метод

    public virtual bool IsChannelPlayable(Channel channel)
    {
      int channel_bitrate = channel.ChannelInfo.Bitrate;
      var total_upstream_rate = PeerCast.Channels.Sum(c => c.OutputStreams.Sum(o => o.IsLocal ? 0 : o.UpstreamRate));
      var channel_upstream_rate = channel.OutputStreams.Sum(o => o.IsLocal ? 0 : o.UpstreamRate);
      return
        (this.MaxPlays<=0 || this.MaxPlays>PeerCast.Channels.Sum(c => c.LocalDirects)) &&
        (this.MaxPlaysPerChannel<=0 || this.MaxPlaysPerChannel>channel.LocalDirects) &&
        (this.MaxUpstreamRate<0 || this.MaxUpstreamRate>=total_upstream_rate+channel_bitrate) &&
        (this.MaxUpstreamRatePerChannel<=0 || this.MaxUpstreamRatePerChannel>=channel_upstream_rate+channel_bitrate);
    }