/// <summary>
/// Gets the cache latency time.
/// </summary>
/// <param name="dataCache">The data cache.</param>
/// <returns></returns>
public int?GetCacheLatencyTime(DataCache dataCache)
{
RequestLatency <DataCache> latency = GetCacheLatency(dataCache);
return(latency == null ? (int?)null : latency.Time);
}
/// <summary>
/// Reads the specified source file path.
/// </summary>
/// <param name="sourceFilePath">The source file path.</param>
public void Read(string sourceFilePath)
{
string[] lines = File.ReadAllLines(sourceFilePath);
int[] descriptions = lines.ToIntArray(0);
int videosCount = descriptions[0];
int[] videosSizes = lines.ToIntArray(1);
Videos = videosCount.ForEach(v => new Video(v, videosSizes[v])).ToArray();
int cachesCount = descriptions[3];
int cachesSize = descriptions[4];
Caches = cachesCount.ForEach(e => new DataCache(e, cachesSize)).ToArray();
DataCenter = new DataCenter();
int endpointsCount = descriptions[1];
EndPoints = endpointsCount.ForEach(e => new VideoEndpoint(e)).ToArray();
int requestsCount = descriptions[2];
Requests = requestsCount.ForEach(e => new VideoRequest()).ToArray();
string[] linesLeft = lines.Skip(2).ToArray();
int lineIdx = 0;
for (int idx = 0; idx < EndPoints.Length; idx++)
{
VideoEndpoint endpoint = EndPoints[idx];
int[] values = linesLeft.ToIntArray(lineIdx);
int dataCenterLatency = values[0];
endpoint.CenterLatency = new RequestLatency <DataCenter>()
{
Publisher = DataCenter,
Time = dataCenterLatency
};
int connectionsCount = values[1];
RequestLatency <DataCache>[] latencies = connectionsCount.ForEach(c => new RequestLatency <DataCache>()).ToArray();
lineIdx++;
for (int i = 0; i < latencies.Length; i++)
{
values = linesLeft.ToIntArray(lineIdx);
RequestLatency <DataCache> latency = latencies[i];
latency.Publisher = GetCache(values[0]);
latency.Time = values[1];
lineIdx++;
}
endpoint.CacheLatency = latencies;
}
linesLeft = linesLeft.Skip(lineIdx).ToArray();
Requests = linesLeft.Length.ForEach(e => new VideoRequest()).ToArray();
for (int i = 0; i < linesLeft.Length; i++)
{
string line = linesLeft[i];
int[] values = line.ToIntArray();
Requests[i].Video = GetVideo(values[0]);
Requests[i].Video.Requests = Requests[i].Video.Requests.ConcatElt(Requests[i]).ToArray();
Requests[i].EndPoint = GetEndPoint(values[1]);
Requests[i].EndPoint.Requests = Requests[i].EndPoint.Requests.ConcatElt(Requests[i]).ToArray();
Requests[i].RequestCount = values[2];
}
DataCenter.Videos.AddRange(Videos);
SourceFilePath = sourceFilePath;
}
/// <summary>
/// Initializes a new instance of the <see cref="VideoEndpoint" /> class.
/// </summary>
/// <param name="id">The identifier.</param>
public VideoEndpoint(int id)
{
Id = id;
Requests = new VideoRequest[0];
CacheLatency = new RequestLatency <DataCache> [0];
}
