public IPRangesGroup GetRangesGroup()
{
var amazonRegionMapper = new AmazonRegionMapper();
var prefixes = new AmazonIpRangeSource().LoadPrefixes();
var rangesByRegion =
prefixes.Select(
prefix =>
{
var regionInformation = amazonRegionMapper.GetIPRangesRegion(prefix.Region);
return(new
{
regionInformation.Id,
regionInformation.Name,
regionInformation.Description,
prefix.IpPrefix
});
})
.ToLookup(x => x.Id);
var regionIds = rangesByRegion.Select(x => x.Key).Distinct().OrderBy(x => x);
var ipRangesGroup = new IPRangesGroup {
Name = "AmazonAWS"
};
foreach (var regionId in regionIds)
{
IPRangesRegion ipRangesRegion = null;
foreach (var range in rangesByRegion[regionId].Distinct())
{
if (ipRangesRegion == null)
{
ipRangesRegion = new IPRangesRegion
{
Id = range.Id,
Name = range.Name,
Description = range.Description
};
ipRangesGroup.Regions.Add(ipRangesRegion);
}
var ipRange = IPRange.Parse(range.IpPrefix);
ipRangesRegion.Ranges.Add(ipRange);
}
}
return(ipRangesGroup);
}
public IPRangesGroup GetRangesGroup()
{
var amazonRegionMapper = new AmazonRegionMapper();
var prefixes = new AmazonIpRangeSource().LoadPrefixes();
var rangesByRegion =
prefixes.Select(
prefix =>
{
var regionInformation = amazonRegionMapper.GetIPRangesRegion(prefix.Region);
return new
{
regionInformation.Id,
regionInformation.Name,
regionInformation.Description,
prefix.IpPrefix
};
})
.ToLookup(x => x.Id);
var regionIds = rangesByRegion.Select(x => x.Key).Distinct().OrderBy(x => x);
var ipRangesGroup = new IPRangesGroup { Name = "AmazonAWS" };
foreach (var regionId in regionIds)
{
IPRangesRegion ipRangesRegion = null;
foreach (var range in rangesByRegion[regionId].Distinct())
{
if (ipRangesRegion == null)
{
ipRangesRegion = new IPRangesRegion
{
Id = range.Id,
Name = range.Name,
Description = range.Description
};
ipRangesGroup.Regions.Add(ipRangesRegion);
}
var ipRange = IPRange.Parse(range.IpPrefix);
ipRangesRegion.Ranges.Add(ipRange);
}
}
return ipRangesGroup;
}
private static void WriteGroupsToFile(StreamWriter file, IPRangesGroup @group)
{
file.WriteLine("<group name=\"{0}\">", @group.Name);
foreach (var region in group.Regions)
{
if (String.IsNullOrEmpty(region.Id))
throw new InvalidOperationException(String.Format("No mapping for region {0}", region.Name));
var nameFragment = region.Name != null ? " name=\"" + region.Name + "\"" : "";
file.WriteLine(" <region id=\"{0}\"{1} description=\"{2}\">", region.Id, nameFragment, region.Description);
foreach (var range in region.Ranges.OrderBy(x => x.From, new IPAddressComparer()))
{
file.WriteLine(" <range network=\"{0}\" from=\"{1}\" to=\"{2}\" />", range.GetNetwork(), range.From, range.To);
}
file.WriteLine(" </region>");
}
file.WriteLine("</group>");
}
private static void WriteGroupsToFile(StreamWriter file, IPRangesGroup @group)
{
file.WriteLine("<group name=\"{0}\">", @group.Name);
foreach (var region in group.Regions)
{
if (String.IsNullOrEmpty(region.Id))
{
throw new InvalidOperationException(String.Format("No mapping for region {0}", region.Name));
}
var nameFragment = region.Name != null ? " name=\"" + region.Name + "\"" : "";
file.WriteLine(" <region id=\"{0}\"{1} description=\"{2}\">", region.Id, nameFragment, region.Description);
foreach (var range in region.Ranges.OrderBy(x => x.From, new IPAddressComparer()))
{
file.WriteLine(" <range network=\"{0}\" from=\"{1}\" to=\"{2}\" />", range.GetNetwork(), range.From, range.To);
}
file.WriteLine(" </region>");
}
file.WriteLine("</group>");
}