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src/parallel: Inplemented --linebuffer.

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Ole Tange 2013-07-30 17:13:31 +02:00
parent c52acfb001
commit 5b16a482e4
1 changed files with 59 additions and 10 deletions
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69
src/parallel
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@ -585,6 +585,7 @@ sub options_hash {
"group" => \$opt::group,
"g" => \$opt::retired,
"ungroup|u" => \$opt::u,
"linebuffer|linebuffered|line-buffer|line-buffered" => \$opt::linebuffer,
"null|0" => \$opt::0,
"quote|q" => \$opt::q,
"I=s" => \$opt::I,
@ -2245,6 +2246,11 @@ sub reap_usleep {
return $ms/2+0.001;
} else {
usleep($ms);
if($opt::linebuffer) {
for my $job (values %Global::running) {
$job->print();
}
}
# Sleep exponentially longer (1.1^n) if a job did not finish
# though at most 1000 ms.
return (($ms < 1000) ? ($ms * 1.1) : ($ms));
@ -4454,7 +4460,10 @@ sub print {
$Global::grouped or return;
my $command = $self->sshlogin_wrap();
if(($opt::dryrun or $Global::verbose) and $Global::grouped) {
if(($opt::dryrun or $Global::verbose) and $Global::grouped
and
not $self->{'verbose_printed'}) {
$self->{'verbose_printed'}++;
if($Global::verbose <= 1) {
print STDOUT $self->replaced(),"\n";
} else {
@ -4472,21 +4481,61 @@ sub print {
my $out_fd = $Global::fd{$fdno};
my $in_fd = $self->fd($fdno);
if(not $in_fd) {
# ::warning("File descriptor $fdno not defined\n");
if(not $Job::file_descriptor_warning_printed{$fdno}++) {
::warning("File descriptor $fdno not defined\n");
}
next;
}
seek $in_fd, 0, 0;
if($Global::debug) {
print STDERR "File descriptor $fdno:\n";
}
::debug("File descriptor $fdno:");
if($opt::files) {
$self->fd_file_name($fdno) and print $out_fd $self->fd_file_name($fdno),"\n";
} elsif($opt::linebuffer) {
# Line buffered print out
my $partial = \$self->{'partial_line',$fdno};
# This seek will clear EOF
seek $in_fd, tell($in_fd), 0;
while(read($in_fd,substr($$partial,length $$partial),1_000_000)) {
# Append to $$partial
# Find the last \n
my $i = rindex($$partial,"\n");
if($i != -1) {
# One or more complete lines were found
if($fdno == 2 and not $self->{'printed_first_line',$fdno}++) {
# OpenSSH_3.6.1p2 gives 'tcgetattr: Invalid argument' with -tt
# This is a crappy way of ignoring it.
$$partial =~ s/^tcgetattr: Invalid argument\n//;
# Length of partial line has changed: Find the last \n again
$i = rindex($$partial,"\n");
}
if($opt::tag or defined $opt::tagstring) {
# Replace ^ with $tag within the full line
my $tag = $self->tag();
substr($$partial,0,$i+1) =~ s/^/$tag/gm;
# Length of partial line has changed: Find the last \n again
$i = rindex($$partial,"\n");
}
# Print up to and including the last \n
print $out_fd substr($$partial,0,$i+1);
# Remove the printed part
substr($$partial,0,$i+1)="";
}
}
if(defined $self->{'exitstatus'} and length $$partial > 0) {
# If the job is dead: print the remaining partial line
if($opt::tag or defined $opt::tagstring) {
my $tag = $self->tag();
$$partial =~ s/^/$tag/gm;
}
print $out_fd $$partial;
$$partial = undef;
# then close fd
close $in_fd;
}
} else {
my $buf;
seek $in_fd, 0, 0;
if($Global::debug) {
print STDOUT "OUT:\n";
}
if($opt::tag or defined $opt::tagstring) {
my $tag = $self->tag();
if($fdno == 2) {
@ -4516,10 +4565,10 @@ sub print {
print $out_fd $buf;
}
}
close $in_fd;
}
flush $out_fd;
::debug("<<joboutput $command\n");
close $in_fd;
}
}