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Fix pipe handling so all log entries are written.

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This commit is contained in:
Daniel Nichter
2013-06-09 19:29:52 -07:00
parent aadb5dbd80
commit ad4e9a9207
2 changed files with 10 additions and 56 deletions
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33
bin/pt-agent
View File

@@ -4874,20 +4874,21 @@ sub read_stdin {
POSIX::SigAction->new(sub { die 'read timeout'; }),
) or die "Error setting SIGALRM handler: $OS_ERROR";
my $timeout = 0;
my @lines;
eval {
alarm $t;
while(defined(my $line = <STDIN>)) {
push @lines, $line;
}
push @lines, undef; # stop
alarm 0;
};
if ( $EVAL_ERROR ) {
PTDEBUG && _d('Read error:', $EVAL_ERROR);
die $EVAL_ERROR unless $EVAL_ERROR =~ m/read timeout/;
$timeout = 1;
}
return unless scalar @lines || $timeout;
return \@lines;
}
@@ -4911,13 +4912,9 @@ sub start_online_logging {
QUEUE:
while ($oktorun) {
my $lines = read_stdin($read_timeout);
last QUEUE unless $lines;
LINE:
foreach my $line ( @$lines ) {
if ( !defined $line ) {
$oktorun = 0;
last LINE;
}
my ($ts, $level, $msg) = $line =~ m/^([^,]+),([^,]+),(.+)/s;
chomp $msg;
@@ -5027,8 +5024,7 @@ sub _log {
my $level_number = level_number($level);
if ( $self->online_logging ) {
foreach my $log_entry ( shift @{$self->_buffer} ) {
last unless defined $log_entry;
while ( defined(my $log_entry = shift @{$self->_buffer}) ) {
$self->_queue_log_entry(@$log_entry);
}
$self->_queue_log_entry($ts, $level_number, $msg);
@@ -5055,25 +5051,6 @@ sub _queue_log_entry {
return;
}
sub stop_online_logging {
my $self = shift;
if ( $self->_pipe_write ) {
close $self->_pipe_write;
}
$self->online_logging(0);
return;
}
sub DESTROY {
my $self = shift;
foreach my $log_entry ( shift @{$self->_buffer} ) {
last unless defined $log_entry;
$self->_queue_log_entry(@$log_entry);
}
$self->stop_online_logging();
return;
}
sub _d {
my ($package, undef, $line) = caller 0;
@_ = map { (my $temp = $_) =~ s/\n/\n# /g; $temp; }

33
lib/Percona/Agent/Logger.pm
View File

@@ -86,20 +86,21 @@ sub read_stdin {
POSIX::SigAction->new(sub { die 'read timeout'; }),
) or die "Error setting SIGALRM handler: $OS_ERROR";
my $timeout = 0;
my @lines;
eval {
alarm $t;
while(defined(my $line = <STDIN>)) {
push @lines, $line;
}
push @lines, undef; # stop
alarm 0;
};
if ( $EVAL_ERROR ) {
PTDEBUG && _d('Read error:', $EVAL_ERROR);
die $EVAL_ERROR unless $EVAL_ERROR =~ m/read timeout/;
$timeout = 1;
}
return unless scalar @lines || $timeout;
return \@lines;
}
@@ -125,13 +126,9 @@ sub start_online_logging {
QUEUE:
while ($oktorun) {
my $lines = read_stdin($read_timeout);
last QUEUE unless $lines;
LINE:
foreach my $line ( @$lines ) {
if ( !defined $line ) {
$oktorun = 0;
last LINE;
}
# $line = ts,level,message
my ($ts, $level, $msg) = $line =~ m/^([^,]+),([^,]+),(.+)/s;
chomp $msg;
@@ -243,8 +240,7 @@ sub _log {
my $level_number = level_number($level);
if ( $self->online_logging ) {
foreach my $log_entry ( shift @{$self->_buffer} ) {
last unless defined $log_entry;
while ( defined(my $log_entry = shift @{$self->_buffer}) ) {
$self->_queue_log_entry(@$log_entry);
}
$self->_queue_log_entry($ts, $level_number, $msg);
@@ -271,25 +267,6 @@ sub _queue_log_entry {
return;
}
sub stop_online_logging {
my $self = shift;
if ( $self->_pipe_write ) {
close $self->_pipe_write;
}
$self->online_logging(0);
return;
}
sub DESTROY {
my $self = shift;
foreach my $log_entry ( shift @{$self->_buffer} ) {
last unless defined $log_entry;
$self->_queue_log_entry(@$log_entry);
}
$self->stop_online_logging();
return;
}
sub _d {
my ($package, undef, $line) = caller 0;
@_ = map { (my $temp = $_) =~ s/\n/\n# /g; $temp; }