public void SetPackets(LogPacket[] packets)
{
_packets = packets;
if (packets.Length > 0)
{
_bytag = packets.GroupBy(p => String.IsNullOrWhiteSpace(p.Tag) ? "Unknown Tag" : p.Tag).ToDictionary(g => g.Key, g => g.ToList());
comboBoxTag.Items.Clear();
comboBoxTag.Items.Add(Properties.Resources.HistogramChartControl_AllTags);
foreach (KeyValuePair<string, List<LogPacket>> pair in _bytag)
{
comboBoxTag.Items.Add(pair.Key);
}
comboBoxTag.SelectedIndex = 0;
}
else
{
_bytag = new Dictionary<string, List<LogPacket>>();
}
}
public void SetPackets(LogPacket[] packets)
{
_packets = packets;
if (packets.Length > 0)
{
_bytag = packets.GroupBy(p => String.IsNullOrWhiteSpace(p.Tag) ? "Unknown Tag" : p.Tag).ToDictionary(g => g.Key, g => g.ToList());
_startTime = DateTime.MaxValue;
_endTime = DateTime.MinValue;
foreach (LogPacket packet in _packets)
{
if (packet.Timestamp < _startTime)
{
_startTime = packet.Timestamp;
}
if (packet.Timestamp > _endTime)
{
_endTime = packet.Timestamp;
}
}
double secs = _endTime.Subtract(_startTime).TotalSeconds;
double bucketLength = secs / (double)MAX_BUCKETS;
int bucketCount = MAX_BUCKETS+1;
if(bucketLength < MIN_TIME_DIVISION)
{
bucketCount = (int)Math.Ceiling(secs / MIN_TIME_DIVISION) + 1;
bucketLength = MIN_TIME_DIVISION;
}
_bucketsByteCount = new Dictionary<string, long>[bucketCount];
_bucketLength = bucketLength;
for (int i = 0; i < bucketCount; ++i)
{
_bucketsByteCount[i] = new Dictionary<string, long>();
}
foreach (LogPacket packet in _packets)
{
TimeSpan currSpan = packet.Timestamp.Subtract(_startTime);
int bucketNumber = (int)Math.Truncate(currSpan.TotalSeconds / bucketLength);
string tag = packet.Tag ?? "Unknown Tag";
Dictionary<string, long> bucket = _bucketsByteCount[bucketNumber];
if (!bucket.ContainsKey(tag))
{
bucket[tag] = 0;
}
bucket[tag] = bucket[tag] + packet.Length;
}
}
else
{
_bytag = new Dictionary<string, List<LogPacket>>();
}
UpdateChart();
}
