private async Task<IEnumerable<IPRangeInfo>> LocateIPv6Async(IPAddress ip)
{
var flatIP = new FlatIPAddress(ip);
using (var connection = new SqliteConnection(_connectionString))
{
connection.Open();
return await connection.ExecuteReaderAsync(dataReader =>
{
return new IPRangeInfo
{
IPRange = new IPRange
{
Start = new FlatIPAddress { Low = (long)dataReader["StartLow"], High = (long)dataReader["StartHigh"] }.ToIPAddress(),
End = new FlatIPAddress { Low = (long)dataReader["EndLow"], High = (long)dataReader["EndHigh"] }.ToIPAddress(),
},
AreaId = Convert.ToInt32(dataReader["AreaId"]),
ProviderId = Convert.ToInt32(dataReader["ProviderId"]),
};
}, @"
SELECT * FROM IPRangeInfos
WHERE (StartHigh < {1} OR (StartHigh = {1} AND StartLow <= {0}))
AND (EndHigh > {1} OR (EndHigh = {1} AND EndLow >= {0}));",
flatIP.Low, flatIP.High);
}
}
public async Task AddIPRangeLocationRangeAsync(string providerName, IEnumerable<IPRangeLocation> ipRangeLocations, IProgress<int> progress = null)
{
if (ipRangeLocations == null)
{
throw new ArgumentNullException(nameof(ipRangeLocations));
}
var providerId = await GetProviderId(providerName);
var query = @"
INSERT INTO IPRangeInfos (AreaId, ProviderId, StartLow, StartHigh, EndLow, EndHigh)
VALUES ({0}, {1}, {2}, {3}, {4}, {5});";
var parameterSeries = ipRangeLocations.Select(item =>
{
var startIP = new FlatIPAddress(item.IPRange.Start);
var endIP = new FlatIPAddress(item.IPRange.End);
return new object[] { item.AreaId, providerId, startIP.Low, startIP.High, endIP.Low, endIP.High };
});
await _connection.Value.ExecuteBatchWithoutJournalAsync(query, parameterSeries, _batchLength, progress).ConfigureAwait(false);
}