private static bool isPartialFile(G2PacketH hit)
{
G2Packet part = hit.getFirstChildPacket(G2PacketType.PART);
if (part != null)
return true;
return false;
}
/**
* Get a URL link if present
* IF not present , it has to beretrieved by HTTP request
* */
private static string getDownloadLink(G2PacketH hit)
{
G2Packet pack = hit.getFirstChildPacket (G2PacketType.URL);
if (pack == null)
return "";
G2PacketURL url = pack as G2PacketURL;
if (url == null)
return "";
return url.Str;
}
/**
* Return the size of the file and the name with the out parameters name
* */
private static long getNameAndSizeFromHit(G2PacketH hit, out string name)
{
G2Packet SZ,DN;
DN = hit.getFirstChildPacket (G2PacketType.DN);
SZ = hit.getFirstChildPacket (G2PacketType.SZ);
name = "";
if (DN == null) // no name
return 0;
// object size packet is not present
// so we parse DN with a 32 bit integer before
if ( SZ == null) {
byte[] bytes = ((G2PacketDN)DN).bytes;
byte[] bName = bytes.SubArray (4, bytes.Length - 4);
long size = BinaryUtils.getVariableIntLE (bytes, 4);
name = BinaryUtils.getStringFromBytes (bName, (int)(bytes.Length - 4));
return size;
} else {
name = ((G2PacketDN)DN).Str;
return ((G2PacketSZ)SZ).Size;
}
}
/**
* Return creation time in DateTime format if present
* otherwise return current time
* */
private static DateTime getCreationTimeFromHit(G2PacketH hit)
{
G2Packet pack = hit.getFirstChildPacket (G2PacketType.CT);
if (pack == null)
return DateTime.Now;
G2PacketCT ct = pack as G2PacketCT;
return BinaryUtils.UnixTimeStampToDateTime (ct.Timestamp);
}