
    j                    D   U d Z ddlmZ ddlZddlZddlZddlZddlmZm	Z	 ddl
mZ ddlmZ ddlmZmZ ddlmZ ej&                  ej(                  z  ej*                  z  Zd	ed
<   eeef   ZddZddZddZddZddZddZ ddZ! G d de      Z"ddZ#ddZ$ddZ%y) z@Atomic canonical data replacement for a proven torn-tail repair.    )annotationsN)current_threadmain_thread)	FrameType)Final)#WeeklyOperationsAuthorityCompromiseWeeklyOperationsCorruption)DeferredTerminationSectionr   _FILE_FLAGSc                2    | j                   | j                  fS )N)st_devst_ino)infos    /home/cube/projects/richard/traning coach/task-12-independent-verification-r9/build/hermes-full/dualcoach/profile/checkin_cli/weekly_operations_repair_publish.py	_identityr      s    ;;##    c                    t        j                  | dt         j                        }g }t        j                  | d      x}r*|j	                  |       t        j                  | d      x}r*dj                  |      S )Nr   i   r   )oslseekSEEK_SETreadappendjoin)
descriptor_chunkschunks       r   	_read_allr      sf    
Q,AF77:u-
-%
-e 77:u-
-%
-88Fr   c                   t        j                  | j                        xrV t        j                  | j                        dk(  xr2 | j                  t        j                         k(  xr | j                  dk(  }|st        d      y )N     zrepair created temp is unsafe)	statS_ISREGst_modeS_IMODEst_uidr   geteuidst_nlinkr   )r   safes     r   _verify_created_tempr*       s}    <<%  E$,,t||*D*M  ERVR]R]acakakamRm  Ervrr  DE  sED12QRR r   c                    	 t        j                  || d      }t        j                  |j
                        rt        |      |k7  rt        |      y # t        $ r}t        |      |d }~ww xY wNF)dir_fdfollow_symlinks)r   r"   OSErrorr   r#   r$   r   )	customersnameexpectedreasonnamederrors         r   _verify_namedr6   &   sj    EYF <<&)E*:h*F1&99 +G  E1&9uDEs   A 	A-A((A-c                |    d}|t        |      k  r,|t        j                  | ||d        z  }|t        |      k  r+y y )Nr   )lenr   write)r   payloadoffsets      r   
_write_allr<   /   s=    F
3w<
"((:wvw'788 3w<
r   c                v   	 t        j                  |t         j                  t        z  |       }	 t        j                  |      }t        |      }t        | ||d       t        |      |k7  svt        j                  |j                        rWt        j                  |j                        dk7  s5|j                  t        j                         k7  s|j                   dk7  s||k7  rt        d      	 t        j"                  |       y # t        $ r}t        d      |d }~ww xY w# t        j"                  |       w xY w)Nr-   z"repaired canonical data is missingz(repaired canonical data identity changedr    r!   z-repaired canonical data reconciliation failed)r   openO_RDONLYr   r/   r   fstatr   r6   r   r"   r#   r$   r%   r&   r'   r(   close)r0   	data_namer2   prefixr   r5   r   r:   s           r   
_reconcilerE   5   s9   cWWYk(A)T
xx
#J'iH6`aT?h&dll4<<.HDLLY]YeYeLfjoLosws~s~  CE  CM  CM  CO  tO  SW  S`  S`  de  Se  ip  tz  iz56eff iz 	  c12VW]bbc 	s#   -D B=D! 	DDD!D8c                N    t        | ||d       t        j                  ||        y )Nz+repair temp identity changed before cleanupr>   )r6   r   unlink)r0   r1   r2   s      r   _cleanup_temprH   D   s    )T8-Z[IId9%r   c                      e Zd Zy)_RepairTerminatedN)__name__
__module____qualname__ r   r   rJ   rJ   I   s    r   rJ   c                    t        d      )Nzrepair publication terminated)rJ   )_signal_number_frames     r   
_terminaterR   M   s    
;
<<r   c                    	 t        | ||       y # t        t        t        f$ r=}	 t	        j
                  || d      }n# t        $ r |w xY wt        | ||       |d }~ww xY wr,   )rH   rJ   KeyboardInterrupt
SystemExitr   r"   FileNotFoundError)r0   r1   r2   interruptionr   s        r   _cleanup_after_interruptionrX   Q   si    ix00*= 	YFA  		ix0s#    A!>AA

AA!c                   dt        j                  d       d}d}d}d}d}t               t               u }	t	        j
                  t        j                        }
|	r(t	        j                  t        j                  t              }	 t        | ||d       t               5  t        j                  |t        j                  t        j                  z  t        j                  z  t        z  d|       }t        j                   |      }t#        |      }t%        |       t        | ||d	       |}ddd       t'        ||       t        j(                  |       t        | ||d
       t        | ||d       d}	 t        j*                  ||| |        t5        | |||       t        j(                  |        t        j6                  |       d}	 |	r%t	        j                  t        j                  |
      }yy# 1 sw Y   xY w# t,        t.        t0        t2        f$ r' 	 t5        | |||       n# t,        t.        f$ r  w xY wY w xY w# t,        t.        t0        t2        f$ r}|xs |}||	 t5        | |||       ne# t,        t.        f$ rS 	 t9        | ||       t        j6                  |       d}n# t        j6                  |       d}w xY w|rt;        d      ||w xY wt        j(                  |        t        j6                  |       d}Y d}~|	r%t	        j                  t        j                  |
      }yy d}~ww xY w# |	r%t	        j                  t        j                  |
      }w w xY w)zGAtomically replace the canonical name without truncating its old inode.z.weekly-repair-   z.tmpNFz'repair data name changed before stagingr    r>   z$repair created temp identity changedz/repair temp identity changed before publicationz+repair data name changed before publicationT)
src_dir_fd
dst_dir_fdz$repair publication namespace changed)secrets	token_hexr   r   signal	getsignalSIGTERMrR   r6   r
   r   r?   O_WRONLYO_CREATO_EXCLr   rA   r   r*   r<   fsyncreplacer/   r	   rT   rU   rE   rB   rX   r   )r0   rC   rD   original	temp_nametempobserved_temp_identitytemp_identity	attemptedinstall_handlerprevious_handlerr   	temp_infor5   cleanup_identitys                  r   publish_repaired_prefixrq   ]   s   !'"3"3B"7!8=ID26)-MI$&+-7O''7MM&..*5.@iH6_`')779bkkBJJ&>&J[&XZ_hqrDI%.y%9" +)Y0FHno2M * 	4 
iM;lmiH6cd		JJy)	iX 	9i?

* fnn.>?A W *) 35F
S 	9iG78  H	 /1BJO (B,B 0 <
9i1A6J78  /	9FVWHHTND HHTND=>dekpp HHYHHTND fnn.>?A  	%( fnn.>?A s   H; BG,(AH; 0G8 	:H; ,G51H; 8H8H! H8!H22H85H; 7H88H; ;L1
L,I.-L,.K>J#K#J<<K/L,?L4 +L,,L11L4 4)M)r   os.stat_resultreturnFileIdentity)r   intrs   bytes)r   rr   rs   None)
r0   ru   r1   strr2   rt   r3   rx   rs   rw   )r   ru   r:   rv   rs   rw   )
r0   ru   rC   rx   r2   rt   rD   rv   rs   rw   )r0   ru   r1   rx   r2   rt   rs   rw   )rP   ru   rQ   zFrameType | Noners   rw   )
r0   ru   rC   rx   rD   rv   rg   rt   rs   rw   )&__doc__
__future__r   r   r]   r_   r"   	threadingr   r   typesr   typingr   checkin_cli.weekly_operationsr   r	   %checkin_cli.weekly_operations_signalsr
   
O_NOFOLLOW	O_CLOEXEC
O_NONBLOCKr   __annotations__tupleru   rt   r   r   r*   r6   r<   rE   rH   rJ   rR   rX   rq   rN   r   r   <module>r      s    F " 	    1   i L]]R\\1BMMAU AS#X$S:9&
	2 	=	9@r   