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Pass 2 at correcting xcatd infinite patience with clients

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@12397 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
This commit is contained in:
jbjohnso 2012-04-29 00:36:54 +00:00
parent 57e4d2e508
commit 3b3ce1f894
1 changed files with 20 additions and 8 deletions
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28
xCAT-server/sbin/xcatd
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@ -34,7 +34,7 @@ use xCAT::MsgUtils;
use File::Path;
use Time::HiRes qw(sleep);
use Thread qw(yield);
use Fcntl ":flock";
use Fcntl qw/:DEFAULT :flock/;
use xCAT::Client qw(submit_request);
my $clientselect = new IO::Select;
my $sslclients = 0; #THROTTLE
@ -92,7 +92,7 @@ Getopt::Long::Configure("bundling");
Getopt::Long::Configure("pass_through");
use Storable qw(dclone);
use POSIX qw(WNOHANG setsid);
use POSIX qw(WNOHANG setsid :errno_h);
my $pidfile;
my $foreground;
GetOptions(
@ -1686,12 +1686,25 @@ sub service_connection {
eval { #REMOVEEVALFORDEBUG
my $request;
my $req=undef;
alarm(15);
while (<$sock>) {
alarm(0);
$request .= $_;
my $line;
my $flags;
fcntl($sock,F_GETFL,$flags);
$flags |= O_NONBLOCK; #we want sysread to bail on us, select seems to be evil to us still..
fcntl($sock,F_SETFL,$flags);
my $clientsel = new IO::Select;
$clientsel->add($sock);
while (1) {
$line="";
unless ($clientsel->can_read(15)) { last; } #don't let an unresponsive client hold us up
my $bytesread;
do { $bytesread=sysread($sock,$line,65536,length($line)) } while ($bytesread);
if (length($line)==0) {
if (not defined $bytesread and $! == EAGAIN) { next; } #
last;
}
$request .= $line;
#$req = eval { XMLin($request, ForceArray => [ 'attribute' , 'attributepair' ]) };
if (m/<\/xcatrequest>/) {
if ($line =~ m/<\/xcatrequest>/) {
$req = eval { XMLin($request, SuppressEmpty=>undef,ForceArray=>1) };
#first change peername on 'becomeuser' tag if present and valid
if (defined $req->{becomeuser}) {
@ -1779,7 +1792,6 @@ sub service_connection {
next;
}
}
alarm(15);
}
}; #REMOVEEVALFORDEBUG
if ($@) { # The eval statement caught a program bug..