/**
* Get the file ID index of the file the firewalled computer is sharing, and will push out. The
* firewalled computer returned a query hit with this file ID. The downloading computer writes
* this ID in this push packet to tell the firewalled computer which one to push out.
*
* @return The shared file ID
*/
public long getIndex() {
// Return the 4 byte file id 16 bytes into the payload
return ByteOrder.uint2long(ByteOrder.leb2int(payload, 16));
}
