³ò îH°Ic@sWddkZddkZddkZddkZddklZddd„ƒYZdS(iÿÿÿÿN(tSIGTERMtDaemoncBsVeZdZdddd„Zd„Zd„Zd„Zd„Zd„Zd„Z RS( s] A generic daemon class. Usage: subclass the Daemon class and override the run() method s /dev/nullcCs(||_||_||_||_dS(N(tstdintstdouttstderrtpidfile(tselfRRRR((s daemon.pyt__init__ s   c Csýy.tiƒ}|djotidƒnWnBtj o6}tiid|i|ifƒtidƒnXti dƒti ƒti dƒy.tiƒ}|djotidƒnWnBtj o6}tiid|i|ifƒtidƒnXti i ƒtii ƒt|idƒ}t|i dƒ}t|iddƒ}ti|iƒtiiƒƒti|iƒti iƒƒti|iƒtiiƒƒti|iƒttiƒƒ}t|idƒid |ƒd S( sº do the UNIX double-fork magic, see Stevens' "Advanced Programming in the UNIX Environment" for details (ISBN 0201563177) http://www.erlenstar.demon.co.uk/unix/faq_2.html#SEC16 isfork #1 failed: %d (%s) it/sfork #2 failed: %d (%s) trsa+sw+s%s N(tostforktsystexittOSErrorRtwriteterrnotstrerrortchdirtsetsidtumaskRtflushtfileRtdup2tfilenotatexittregistertdelpidtstrtgetpidR(Rtpidtetsitsotse((s daemon.pyt daemonizes8           cCsti|iƒdS(N(R tremoveR(R((s daemon.pyR?scCs¡y8t|idƒ}t|iƒiƒƒ}|iƒWntj o d}nX|o.d}ti i ||iƒti dƒn|i ƒ|i ƒdS(s Start the daemon R s2pidfile %s already exist. Daemon already running? iN(RRtinttreadtstriptclosetIOErrortNoneR RRR R#trun(RtpfRtmessage((s daemon.pytstartBs  c Cs+y8t|idƒ}t|iƒiƒƒ}|iƒWntj o d}nX|p%d}ti i ||iƒdSny'x t i |t ƒtidƒq†Wn}tj oq}t|ƒ}|idƒdjo.t ii|iƒot i|iƒq"q't|ƒGHtidƒnXdS(s Stop the daemon R s/pidfile %s does not exist. Daemon not running? Ngš™™™™™¹?sNo such processii(RRR%R&R'R(R)R*R RRR tkillRttimetsleepRRtfindtpathtexistsR$R (RR,RR-terr((s daemon.pytstopWs*   cCs|iƒ|iƒdS(s Restart the daemon N(R6R.(R((s daemon.pytrestartvs cCsdS(s’ You should override this method when you subclass Daemon. It will be called after the process has been daemonized by start() or restart(). N((R((s daemon.pyR+}s( t__name__t __module__t__doc__RR#RR.R6R7R+(((s daemon.pyRs -    ((R R R0RtsignalRR(((s daemon.pyss0