# $Id$
###########################################################################
-use strict;
-#use warnings; # requires perl 5.006 or later
-
-
-my $DEFAULT_TIMEOUT_START = 90; # default allowed time for a process to startup
-my $DEFAULT_TIMEOUT_STOP = 90; # default allowed time for a process to stop
-
-my $ONE_HALF_STOP_TIMEOUT = int($DEFAULT_TIMEOUT_STOP / 2);
-my $ONE_THIRD_STOP_TIMEOUT = int($DEFAULT_TIMEOUT_STOP / 3);
-my $ONE_SIXTH_STOP_TIMEOUT = int($DEFAULT_TIMEOUT_STOP / 6);
-
-my $pidpattern = qr/^\-?(\d+)$/; # pre-compiled pid pattern regexp
-
-
-######################################################################
-# pidfromfile returns the pid stored in the given pidfile. The value
-# of the returned pid will never be a negative value. It will be zero
-# on any file related error or if a pid can not be extracted from the
-# file. Otherwise it will be a positive value, even If the pid number
-# stored in the file is a negative one.
-#
-sub pidfromfile {
- my ($pidfile)=@_;
-
- my $pid = 0; # on failure or empty file return 0
- my $pidline;
-
- if(not defined $pidfile) {
- return 0;
- }
- if(-f $pidfile) {
- if(open(PIDF, "<$pidfile")) {
- my $pidline = <PIDF>;
- close(PIDF);
- if($pidline) {
- chomp $pidline;
- $pidline =~ s/^\s+//;
- $pidline =~ s/\s+$//;
- $pidline =~ s/^[+-]?0+//;
- if($pidline =~ $pidpattern) {
- $pid = $1;
- }
- }
- }
- }
- return $pid;
+#######################################################################
+# Return the pid of the server as found in the given pid file
+#
+sub serverpid {
+ my $PIDFILE = $_[0];
+ open(PFILE, "<$PIDFILE");
+ my $PID=0+<PFILE>;
+ close(PFILE);
+ return $PID;
}
-
-######################################################################
-# unlinkpidfiles unlinks/deletes the given pidfiles. The first argument
-# 'pidfiles' is a string of whitespace separated pidfiles. If successful
-# returns 0, on error it returns the number of files not deleted.
+#######################################################################
+# Check the given test server if it is still alive.
#
-sub unlinkpidfiles {
- my ($pidfiles)=@_;
-
- if(not defined $pidfiles) {
- return 0;
- }
- my $pidfile;
- my $errcount = 0;
- for $pidfile (split(" ", $pidfiles)) {
- if($pidfile) {
- if(unlink($pidfile) == 0) {
- $errcount++;
- }
- }
- }
- return $errcount;
-}
-
-
-######################################################################
-# checkalivepid checks if the process of the given pid is alive. The
-# argument must represent a single pid and be a valid number, if not
-# it will return 0. It will also return 0 if the pid argument is zero
-# or negative. If the pid argument is positive and it is alive returns
-# the same positive pid, otherwise, if it is not alive it will return
-# the negative value of the pid argument.
-#
-sub checkalivepid {
- my ($pid)=@_;
+sub checkserver {
+ my ($pidfile)=@_;
+ my $pid=0;
- if(not defined $pid) {
- return 0;
- }
- if ($pid !~ $pidpattern) {
- return 0; # invalid argument
- }
- if($pid > 0) {
- if(kill(0, $pid)) {
- return $pid; # positive means it is alive
+ # check for pidfile
+ if ( -f $pidfile ) {
+ $pid=serverpid($pidfile);
+ if ($pid ne "" && kill(0, $pid)) {
+ return $pid;
}
else {
return -$pid; # negative means dead process
}
}
- return 0; # not a positive pid argument
-}
-
-
-######################################################################
-# checkalivepidfile checks if the process of the pid stored in the
-# given pidfile is alive. It will return 0 on any file related error
-# or if a pid can not be extracted from the file. If the process of
-# the pid present in the file is alive it returns that positive pid,
-# if it is not alive it will return the negative value of the pid.
-#
-sub checkalivepidfile {
- my ($pidfile)=@_;
-
- my $pid = pidfromfile($pidfile);
- my $ret = checkalivepid($pid);
- return $ret;
-}
-
-
-######################################################################
-# signalpids signals processes in the second argument with the signal
-# given in the first argument. The second argument 'pids' is a string
-# of whitespace separated pids. Of the given pids only those that are
-# positive and are actually alive will be signalled, and no matter
-# how many times a pid is repeated it will only be signalled once.
-#
-sub signalpids {
- my ($signal, $pids, $verbose)=@_;
-
- if((not defined $signal) || (not defined $pids)) {
- return;
- }
- if($pids !~ /\s+/) {
- # avoid sorting if only one pid
- if(checkalivepid($pids) > 0) {
- printf ("* pid $pids signalled ($signal)\n") if($verbose);
- kill($signal, $pids);
- }
- return;
- }
- my $prev = 0;
- for(sort({$a <=> $b} split(" ", $pids))) {
- if($_ =~ $pidpattern) {
- my $pid = $1;
- if($prev != $pid) {
- $prev = $pid;
- if(checkalivepid($pid) > 0) {
- printf ("* pid $pid signalled ($signal)\n") if($verbose);
- kill($signal, $pid);
- }
- }
- }
- }
-}
-
-
-######################################################################
-# signalpidfile signals the process of the pid stored in the given
-# pidfile with the signal given in the first argument if the process
-# with that pid is actually alive.
-#
-sub signalpidfile {
- my ($signal, $pidfile, $verbose)=@_;
-
- my $pid = pidfromfile($pidfile);
- if($pid > 0) {
- signalpids($signal, $pid, $verbose);
- }
-}
-
-
-######################################################################
-# waitdeadpid waits until all processes given in the first argument
-# are not alive, waiting at most timeout seconds. The first argument
-# 'pids' is a string of whitespace separated pids. Returns 1 when all
-# pids are not alive. Returns 0 when the specified timeout has expired
-# and at least one of the specified pids is still alive.
-#
-sub waitdeadpid {
- my ($pids, $timeout)=@_;
-
- if(not defined $pids) {
- return 1;
- }
- if((not defined $timeout) || ($timeout < 1)) {
- $timeout = $DEFAULT_TIMEOUT_STOP;
- }
- while($timeout--) {
- my $alive = 0;
- for(split(" ", $pids)) {
- if($_ =~ $pidpattern) {
- my $pid = $1;
- if(checkalivepid($pid) > 0) {
- $alive++;
- }
- }
- }
- if($alive == 0) {
- return 1; # not a single pid is alive
- }
- sleep(1);
- }
- return 0; # at least one pid is still alive after timeout seconds
-}
-
-
-######################################################################
-# waitalivepidfile waits until the given pidfile has a pid that is
-# alive, waiting at most timeout seconds. It returns the positive pid
-# When it is alive, otherwise it returns 0 when timeout seconds have
-# elapsed and the pidfile does not have a pid that is alive.
-#
-sub waitalivepidfile {
- my ($pidfile, $timeout)=@_;
-
- if(not defined $pidfile) {
- return 0;
- }
- if((not defined $timeout) || ($timeout < 1)) {
- $timeout = $DEFAULT_TIMEOUT_START;
- }
- while($timeout--) {
- my $pid = checkalivepidfile($pidfile);
- if($pid > 0) {
- return $pid; # positive means it is alive
- }
- sleep(1);
- }
- return 0; # no pid in pidfile or not alive
-}
-
-
-######################################################################
-# stopprocess ends the given pid(s), waiting for them to die. The 'pids'
-# argument is a string of whitespace separated pids. Returns 1 if all
-# of the processes have been successfully stopped. If unable to stop
-# any of them in DEFAULT_TIMEOUT_STOP seconds then it returns 0.
-#
-sub stopprocess {
- my ($pids, $verbose)=@_;
-
- if(not defined $pids) {
- return 1;
- }
- signalpids("KILL", $pids, $verbose);
- if(waitdeadpid($pids, $ONE_HALF_STOP_TIMEOUT) == 0) {
- signalpids("KILL", $pids, $verbose);
- if(waitdeadpid($pids, $ONE_THIRD_STOP_TIMEOUT) == 0) {
- signalpids("KILL", $pids, $verbose);
- if(waitdeadpid($pids, $ONE_SIXTH_STOP_TIMEOUT) == 0) {
- return 0; # at least one pid is still alive !!!
- }
- }
- }
- return 1; # not a single pid is alive
+ return 0;
}
-
-######################################################################
-# stopprocesspidfile ends the test server process of the given pidfile,
-# waiting for it to die, and unlinking/deleting the given pidfile. If
-# the given process was not running or has been successfully stopped it
-# returns 1. If unable to stop it in DEFAULT_TIMEOUT_STOP seconds then
-# returns 0.
-#
-sub stopprocesspidfile {
- my ($pidfile, $verbose)=@_;
-
- if(not defined $pidfile) {
- return 1;
- }
- my $ret = 1; # assume success stopping it
- my $pid = checkalivepidfile($pidfile);
- if($pid > 0) {
- $ret = stopprocess($pid, $verbose);
- }
- unlinkpidfiles($pidfile);
- return $ret;
-}
-
-
-######################################################################
-# ftpkillslave ends a specific slave, waiting for it to die, and
-# unlinking/deleting its pidfiles. If the given ftpslave was not
-# running or has been successfully stopped it returns 1. If unable
-# to stop it in DEFAULT_TIMEOUT_STOP seconds then it returns 0.
+#############################################################################
+# Kill a specific slave
#
sub ftpkillslave {
my ($id, $ext, $verbose)=@_;
-
- if(not defined $id) {
- $id = "";
- }
- if(not defined $ext) {
- $ext = "";
- }
- my $ret = 1; # assume success stopping them
- my $pids = "";
- my $pidfiles = "";
- for my $base (('filt', 'data')) {
- my $pidfile = ".sock$base$id$ext.pid";
- my $pid = checkalivepidfile($pidfile);
- $pidfiles .= " $pidfile";
+ my $base;
+ for $base (('filt', 'data')) {
+ my $f = ".sock$base$id$ext.pid";
+ my $pid = checkserver($f);
if($pid > 0) {
- $pids .= " $pid";
+ printf ("* kill pid for %s => %d\n", "ftp-$base$id$ext", $pid) if($verbose);
+ kill (9, $pid); # die!
}
+ unlink($f);
}
- if($pids) {
- $ret = stopprocess($pids, $verbose);
- }
- if($pidfiles) {
- unlinkpidfiles($pidfiles);
- }
- return $ret;
}
-######################################################################
-# ftpkillslaves ends all the ftpslave processes, waiting for them to
-# die, unlinking/deleting its pidfiles. If they were not running or
-# have been successfully stopped it returns 1. If unable to stop any
-# of them in DEFAULT_TIMEOUT_STOP seconds then returns 0.
+#############################################################################
+# Make sure no FTP leftovers are still running. Kill all slave processes.
+# This uses pidfiles since it might be used by other processes.
#
sub ftpkillslaves {
- my ($verbose)=@_;
-
- my $ret = 1; # assume success stopping them
- my $pids = "";
- my $pidfiles = "";
- for my $ext (("", "ipv6")) {
- for my $id (("", "2")) {
- for my $base (('filt', 'data')) {
- my $pidfile = ".sock$base$id$ext.pid";
- my $pid = checkalivepidfile($pidfile);
- $pidfiles .= " $pidfile";
- if($pid > 0) {
- $pids .= " $pid";
- }
- }
+ my ($versbose) = @_;
+ for $ext (("", "ipv6")) {
+ for $id (("", "2")) {
+ ftpkillslave ($id, $ext, $verbose);
}
}
- if($pids) {
- $ret = stopprocess($pids, $verbose);
- }
- if($pidfiles) {
- unlinkpidfiles($pidfiles);
- }
- return $ret;
}
-
-######################################################################
-# library files end with 1; to make 'require' and 'use' succeed.
1;
-
projects / thirdparty / curl.git / commitdiff
