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
