def _hardlink_rorp_eq(src_rorp, dest_rorp): """Compare two files for hardlink equality, encompassing being hard-linked, having the same hashsum, and the same number of link counts.""" Hardlink.add_rorp(dest_rorp) Hardlink.add_rorp(src_rorp, dest_rorp) rorp_eq = Hardlink.rorp_eq(src_rorp, dest_rorp) if not src_rorp.isreg() or not dest_rorp.isreg() or src_rorp.getnumlinks() == dest_rorp.getnumlinks() == 1: if not rorp_eq: Log("Hardlink compare error with when no links exist", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return False elif src_rorp.getnumlinks() > 1 and not Hardlink.is_linked(src_rorp): if rorp_eq: Log("Hardlink compare error with first linked src_rorp and no dest_rorp sha1", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return False hash.compute_sha1(dest_rorp) rorp_eq = Hardlink.rorp_eq(src_rorp, dest_rorp) if src_rorp.getnumlinks() != dest_rorp.getnumlinks(): if rorp_eq: Log("Hardlink compare error with first linked src_rorp, with dest_rorp sha1, and with differing link counts", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return False elif not rorp_eq: Log("Hardlink compare error with first linked src_rorp, with dest_rorp sha1, and with equal link counts", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return False elif src_rorp.getnumlinks() != dest_rorp.getnumlinks(): if rorp_eq: Log("Hardlink compare error with non-first linked src_rorp and with differing link counts", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return False elif not rorp_eq: Log("Hardlink compare error with non-first linked src_rorp and with equal link counts", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return False Hardlink.del_rorp(src_rorp) Hardlink.del_rorp(dest_rorp) return True
def hardlink_rorp_eq(src_rorp, dest_rorp): Hardlink.add_rorp(dest_rorp) Hardlink.add_rorp(src_rorp, dest_rorp) rorp_eq = Hardlink.rorp_eq(src_rorp, dest_rorp) if not src_rorp.isreg() or not dest_rorp.isreg() or src_rorp.getnumlinks() == dest_rorp.getnumlinks() == 1: if not rorp_eq: Log("Hardlink compare error with when no links exist exist", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return 0 elif src_rorp.getnumlinks() > 1 and not Hardlink.is_linked(src_rorp): if rorp_eq: Log("Hardlink compare error with first linked src_rorp and no dest_rorp sha1", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return 0 hash.compute_sha1(dest_rorp) rorp_eq = Hardlink.rorp_eq(src_rorp, dest_rorp) if src_rorp.getnumlinks() != dest_rorp.getnumlinks(): if rorp_eq: Log("Hardlink compare error with first linked src_rorp, with dest_rorp sha1, and with differing link counts", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return 0 elif not rorp_eq: Log("Hardlink compare error with first linked src_rorp, with dest_rorp sha1, and with equal link counts", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return 0 elif src_rorp.getnumlinks() != dest_rorp.getnumlinks(): if rorp_eq: Log("Hardlink compare error with non-first linked src_rorp and with differing link counts", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return 0 elif not rorp_eq: Log("Hardlink compare error with non-first linked src_rorp and with equal link counts", 3) Log("%s: %s" % (src_rorp.index, Hardlink._get_inode_key(src_rorp)), 3) Log("%s: %s" % (dest_rorp.index, Hardlink._get_inode_key(dest_rorp)), 3) return 0 Hardlink.del_rorp(src_rorp) Hardlink.del_rorp(dest_rorp) return 1
def hashes_changed(src_rp, mir_rorp): """Return 0 if their data hashes same, 1 otherwise""" verify_sha1 = map_hardlinks.get_hash(mir_rorp) if not verify_sha1: log.Log("Metadata file has no digest for mirror file {mf}, " "unable to compare.".format(mf=mir_rorp), log.WARNING) return 0 elif (src_rp.getsize() == mir_rorp.getsize() and hash.compute_sha1(src_rp) == verify_sha1): return 0 return 1