public LocationInfo Geolocate(IPAddress address)
{
var startTime = Stopwatch.GetTimestamp();
var location = _inner.Geolocate(address);
var elapsedTicks = Stopwatch.GetTimestamp() - startTime;
var isSuccessful = location != default;
var elapsed = TimeSpan.FromTicks(checked ((long)(elapsedTicks * StopwatchTickScale)));
_metricsRecorder.RecordGeolocation(isSuccessful, elapsed);
return(location);
}
public async static Task GeolocateIpAddress(this AuditTrailEntry entry, IGeolocator geolocator)
{
using (var db = new DatabaseContext())
{
var info = await geolocator.Geolocate(entry.UserHostAddress);
if (info != null)
{
entry.UserCountry = info.Country;
db.Entry(entry).State = EntityState.Modified;
}
await db.SaveChangesAsync();
}
}
private async Task Process(TextReader input, Stream output)
{
var requestLineTask = input.ReadLineAsync();
var responseLineTask = default(ValueTask);
var buffer = new byte[256];
while (true)
{
string?requestLine;
try
{
requestLine = await requestLineTask;
}
catch (IOException)
{
break;
}
if (requestLine is null)
{
break;
}
requestLineTask = input.ReadLineAsync();
if (!IPAddress.TryParse(requestLine, out var address))
{
continue;
}
var locationInfo = _geolocator.Geolocate(address);
if (locationInfo == default)
{
continue;
}
await responseLineTask;
var length = CreateResponseLine(buffer, requestLine, locationInfo);
responseLineTask = output.WriteAsync(buffer.AsMemory(0, length));
}
}