protected SearchIndex.CZ_INDEX_INFO IndexInfoAtPos(uint Index_Pos)
{
SearchIndex.CZ_INDEX_INFO czIndexInfo = new SearchIndex.CZ_INDEX_INFO();
this.FileStrm.Seek((long)(this.Index_Set + 7U * Index_Pos), SeekOrigin.Begin);
czIndexInfo.IpSet = this.GetUInt32();
czIndexInfo.Offset = this.GetOffset();
this.FileStrm.Seek((long)czIndexInfo.Offset, SeekOrigin.Begin);
czIndexInfo.IpEnd = this.GetUInt32();
return(czIndexInfo);
}
protected SearchIndex.CZ_INDEX_INFO IndexInfoAtPos(uint Index_Pos)
{
SearchIndex.CZ_INDEX_INFO cZ_INDEX_INFO = new SearchIndex.CZ_INDEX_INFO();
this.FileStrm.Seek((long)((ulong)(this.Index_Set + 7u * Index_Pos)), SeekOrigin.Begin);
cZ_INDEX_INFO.IpSet = this.GetUInt32();
cZ_INDEX_INFO.Offset = this.GetOffset();
this.FileStrm.Seek((long)((ulong)cZ_INDEX_INFO.Offset), SeekOrigin.Begin);
cZ_INDEX_INFO.IpEnd = this.GetUInt32();
return(cZ_INDEX_INFO);
}
public string GetAddressWithIP(string IPValue)
{
if (!this.bFilePathInitialized)
{
return("");
}
this.Initialize();
uint uint32 = this.IPToUInt32(IPValue);
while (true)
{
this.Search_Set = this.IndexInfoAtPos(this.Search_Index_Set);
this.Search_End = this.IndexInfoAtPos(this.Search_Index_End);
if (uint32 < this.Search_Set.IpSet || uint32 > this.Search_Set.IpEnd)
{
if (uint32 < this.Search_End.IpSet || uint32 > this.Search_End.IpEnd)
{
this.Search_Mid = this.IndexInfoAtPos((this.Search_Index_End + this.Search_Index_Set) / 2U);
if (uint32 < this.Search_Mid.IpSet || uint32 > this.Search_Mid.IpEnd)
{
if (uint32 < this.Search_Mid.IpSet)
{
this.Search_Index_End = (this.Search_Index_End + this.Search_Index_Set) / 2U;
}
else
{
this.Search_Index_Set = (this.Search_Index_End + this.Search_Index_Set) / 2U;
}
}
else
{
goto label_8;
}
}
else
{
goto label_6;
}
}
else
{
break;
}
}
return(this.ReadAddressInfoAtOffset(this.Search_Set.Offset));
label_6:
return(this.ReadAddressInfoAtOffset(this.Search_End.Offset));
label_8:
return(this.ReadAddressInfoAtOffset(this.Search_Mid.Offset));
}