public void Update(ConnectionStasticRecord record)
{
LastActivate = DateTime.Now;
var stData = record.StasticData;
var stPath = record.StasticPath;
RTT = (long)stPath.SampleRtt;
// TODO: Calculate pkt lost
while ((_stasticRecords.Count > 0 &&
record.Timestamp.Subtract(_stasticRecords.First.Value.Timestamp).Seconds > 20) ||
_stasticRecords.Count > 5)
{
_stasticRecords.RemoveFirst();
}
var lost = _stasticRecords.Select(record.CalculateLost)
.DefaultIfEmpty(0)
.Max();
_stasticRecords.AddLast(record);
Lost = (uint)lost;
// if (stData.DataSegsOut != 0)
// {
// Lost = (uint) ((stPath.FastRetran + stPath.PktsRetrans) * 100 / stData.DataSegsOut);
// }
// Controller.NotifyLogMessageAppend(false,
// $"TotalPkt={stData.DataSegsOut},TotalBytes={stData.DataBytesOut},FastRetran={stPath.FastRetran},PktsRetrans={stPath.PktsRetrans},SndDupAckEpisodes={stPath.SndDupAckEpisodes},BytesRetrans={stPath.BytesRetrans}");
}
public double CalculateLost(ConnectionStasticRecord start)
{
if (Timestamp <= start.Timestamp)
{
return(0);
}
if (StasticData.DataBytesOut <= start.StasticData.DataBytesOut)
{
return(0);
}
if (StasticPath.BytesRetrans <= start.StasticPath.BytesRetrans)
{
return(0);
}
var sendDelta = StasticData.DataBytesOut - start.StasticData.DataBytesOut;
var retransDelta = StasticPath.BytesRetrans - start.StasticPath.BytesRetrans;
return((retransDelta * 100.0 / sendDelta).Clamp(0, 100));
}
protected override void DoWork(ProbeContext context)
{
var service = context.Service;
var delay = context.Delay;
while (!WorkingThreadStopping)
{
try
{
var currentPid = _gamePids;
var connections = currentPid.Count > 0 ? Win32PInvoke_iphlpapi.GetAllTcpConnections() : null;
if (connections != null)
{
var gameConnections = connections
.Where(it => currentPid.Contains(it.ProcessId))
.GroupBy(it => it.ProcessId).ToDictionary(g => g.Key, g => g.ToList());
if (gameConnections.Count > 0)
{
var records = new List <ConnectionStasticRecord>();
foreach (var connection in gameConnections)
{
foreach (var row in connection.Value)
{
var stasticData = new Win32PInvoke_iphlpapi.TCP_ESTATS_DATA_ROD_v0();
var stasticPath = new Win32PInvoke_iphlpapi.TCP_ESTATS_PATH_ROD_v0();
if (
Win32PInvoke_iphlpapi.GetPerTcpConnectionEStats_Data(row,
ref stasticData) &&
Win32PInvoke_iphlpapi.GetPerTcpConnectionEStats_Path(row,
ref stasticPath)
)
{
var record = new ConnectionStasticRecord
{
Timestamp = DateTime.Now,
TcpRow = row,
StasticData = stasticData,
StasticPath = stasticPath
};
records.Add(record);
}
}
}
service.SubmitRecords(records);
}
else
{
service.SubmitRecords(null);
}
}
else
{
service.SubmitRecords(null);
}
}
catch (Exception ex)
{
service._controller?.NotifyLogMessageAppend(false, ex + "\n");
}
SafeSleep(delay);
}
}
