public static FullRouteIPInfoCache LoadFromFile(string filename)
{
Buf b = Buf.ReadFromFile(filename);
b.SeekToBegin();
return(LoadFromBuf(b));
}
// バッファに変換
public Buf WriteToBuf()
{
Buf b = new Buf();
// 要素数
b.WriteInt((uint)elements.Count);
// 要素
foreach (Element e in elements)
{
e.WriteToBuf(b);
}
b.SeekToBegin();
return(b);
}
public Buf ToBuf()
{
string s = ToString();
Buf b = new Buf();
byte[] bom = Str.GetBOM(this.Encoding);
if (bom != null)
{
b.Write(bom);
}
b.Write(encoding.GetBytes(s));
b.SeekToBegin();
return(b);
}
public static FullRouteIPInfoCache LoadFromBuf(Buf b)
{
b.Seek(b.Size - 20, SeekOrigin.Begin);
byte[] hash = b.Read(20);
b.SeekToBegin();
byte[] hash2 = Secure.HashSHA1(Util.CopyByte(b.ByteData, 0, (int)b.Size - 20));
if (Util.CompareByte(hash, hash2) == false)
{
throw new ApplicationException("Invalid Hash");
}
FullRouteIPInfoCache ret = new FullRouteIPInfoCache();
ret.TimeStamp = new DateTime((long)b.ReadInt64());
int num = (int)b.ReadInt();
int i;
for (i = 0; i < num; i++)
{
FullRouteIPInfoEntry e = new FullRouteIPInfoEntry();
e.From = b.ReadInt();
e.To = b.ReadInt();
e.Registry = b.ReadStr();
e.Assigned = b.ReadInt();
e.Country2 = b.ReadStr();
e.Country3 = b.ReadStr();
e.CountryFull = DeleteSemi(b.ReadStr());
ret.EntryList.Add(e);
}
ret.EntryList.Sort();
ret.build_country_code_to_name_db();
return(ret);
}
// ストリームから読み込み
public static Buf ReadFromStream(Stream st)
{
Buf ret = new Buf();
int size = 32767;
while (true)
{
byte[] tmp = new byte[size];
int i = st.Read(tmp, 0, tmp.Length);
if (i <= 0)
{
break;
}
Array.Resize <byte>(ref tmp, i);
ret.Write(tmp);
}
ret.SeekToBegin();
return(ret);
}
public Buf SaveToBuf()
{
Buf b = new Buf();
b.WriteInt64((ulong)this.TimeStamp.Ticks);
b.WriteInt((uint)this.EntryList.Count);
foreach (FullRouteIPInfoEntry e in this.EntryList)
{
b.WriteInt(e.From);
b.WriteInt(e.To);
b.WriteStr(e.Registry);
b.WriteInt(e.Assigned);
b.WriteStr(e.Country2);
b.WriteStr(e.Country3);
b.WriteStr(e.CountryFull);
}
b.Write(Secure.HashSHA1(b.ByteData));
b.SeekToBegin();
return(b);
}