#!/usr/bin/perl -w
use strict;
+use POSIX qw( :sys_wait_h );
+use Sys::SigAction qw( set_sig_handler );
use Date::Parse;
use Date::Format;
use FS::Daemon ':all'; #daemonize1 drop_root daemonize2 myexit logfile sig*
-use FS::UID qw( adminsuidsetup dbh driver_name );
+use FS::UID qw( adminsuidsetup forksuidsetup dbh driver_name );
use FS::Record qw( qsearch str2time_sql str2time_sql_closing concat_sql );
use FS::torrus_srvderive;
our $DEBUG = 2;
+our $max_kids = 6;
+our $search_timeout = 30*60; # 15*60 5*60; #$torrus_srvderive->last_srv_date ? 5*60 : 15*60);
+our %kids;
my $user = shift or die &usage;
$FS::Daemon::PID_NEWSTYLE = 1;
my $orderlimit = "
ORDER BY srv_date, srv_time
LIMIT 100
-";
+"; #50?
+
+if ( driver_name eq 'mysql' ) {
+ dbh->do('SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED');
+ dbh->commit or die dbh->errstr;
+}
+our $kids = 0;
+#MAIN: while (1) {
while (1) {
my $found = 0;
+ #SERVICEID: foreach my $torrus_srvderive ( qsearch('torrus_srvderive', {}) ) {
foreach my $torrus_srvderive ( qsearch('torrus_srvderive', {}) ) {
- my $serviceid = $torrus_srvderive->serviceid;
-
- my @serviceids = $torrus_srvderive->component_serviceids;
-
- my @in = ();
- for my $dir ('_IN', '_OUT') {
- push @in, map dbh->quote("$_$dir"), @serviceids;
+ &reap_kids;
+ if ( $kids >= $max_kids ) {
+ sleep 5;
+ myexit() if sigterm() || sigint();
+ redo;
}
- my $in = join(',', @in);
- my $ssql = "
- $sql AND EXISTS (
- SELECT 1 FROM srvexport AS other
- WHERE other.serviceid IN ($in)
- AND srvexport.srv_date = other.srv_date
- AND ABS( $_date - $other_date ) <= 60
- )
- ";
+ defined( my $pid = fork ) or do {
+ #warn "WARNING: can't fork: $!\n";
+ #next; #don't increment the kid counter
+ die "can't fork: $!\n";
+ };
- $ssql .= " AND srv_date >= '". $torrus_srvderive->last_srv_date. "' "
- if $torrus_srvderive->last_srv_date;
+ if ( $pid ) {
+ $kids++;
+ $kids{$pid} = 1;
+ } else { #kid time
- $ssql .= $orderlimit;
+ #get new db handle
+ $FS::UID::dbh->{InactiveDestroy} = 1;
- warn "searching for times to add $serviceid\n" if $DEBUG;
- warn $ssql if $DEBUG > 2;
- my $sth = dbh->prepare($ssql) or die $DBI::errstr; #better recovery?
- $sth->execute($serviceid, $serviceid) or die $sth->errstr;
+ forksuidsetup($user);
- my $prev = 0;
- while ( my $row = $sth->fetchrow_arrayref ) {
- last if sigterm() || sigint();
+ my $serviceid = $torrus_srvderive->serviceid;
- my( $srv_date, $srv_time ) = @$row;
- my $cur = str2time( "$srv_date $srv_time" );
- next if $cur-$prev <= 60;
- last if time - $cur <= 300;
+ my @serviceids = $torrus_srvderive->component_serviceids;
+ exit unless @serviceids; #don't try to search for empty virtual ports
- warn "no $serviceid for $srv_date $srv_time; adding\n"
- if $DEBUG;
- $found++;
+ #nonlocking select statements; rows in this table never change
+ if ( driver_name eq 'mysql' ) {
+ dbh->do('SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED');
+ dbh->commit or die dbh->errstr;
+ }
+ my @in = ();
for my $dir ('_IN', '_OUT') {
+ push @in, map dbh->quote("$_$dir"), @serviceids;
+ }
+ my $in = join(',', @in);
+
+ if ( ! $torrus_srvderive->last_srv_date ) {
+ warn "finding initial last_srv_date for $serviceid\n" if $DEBUG;
+ my $dsql = "SELECT srv_date FROM srvexport WHERE serviceid IN ($in)
+ ORDER BY srv_date LIMIT 1";
+ my $dsth = dbh->prepare($dsql) or die $DBI::errstr;
+ $dsth->execute or die $dsth->errstr;
+ my $date = $dsth->fetchrow_arrayref->[0];
+ if ( $date ) {
+ warn "found initial last_srv_date of $date; updating $serviceid\n"
+ if $DEBUG;
+ $torrus_srvderive->last_srv_date($date);
+ my $error = $torrus_srvderive->replace;
+ die $error if $error;
+ } else {
+ warn "no initial last_srv_date for $serviceid; skipping\n" if $DEBUG;
+ exit;
+ }
+ }
- my $sin = join(',', map dbh->quote("$_$dir"), @serviceids);
-
- my $sum = "
- SELECT COALESCE(SUM(value),0) FROM srvexport AS other
- WHERE other.serviceid IN ($sin)
- AND ABS( $cur - $other_date ) <= 60
- ";
-
- my $isql = "
- INSERT INTO srvexport ( srv_date, srv_time, serviceid, value, intvl )
- VALUES ( ?, ?, ?, ($sum), ? )
- ";
- my @param = ( time2str('%Y-%m-%d', $cur), #srv_date
- time2str('%X', $cur), #srv_time
- "$serviceid$dir",
- 300, #intvl ...
- );
- warn $isql. ' with param '. join(',',@param). "\n"
- if $DEBUG > 2;
-
- my $isth = dbh->prepare($isql) or die $DBI::errstr; #better recovery?
- $isth->execute( @param ) or die $isth->errstr;
-
+ my $ssql = "
+ $sql AND EXISTS (
+ SELECT 1 FROM srvexport AS other
+ WHERE other.serviceid IN ($in)
+ AND srvexport.srv_date = other.srv_date
+ AND ABS( $_date - $other_date ) <= 60
+ )
+ ";
+
+ $ssql .= " AND srv_date >= '". $torrus_srvderive->last_srv_date. "' "
+ if $torrus_srvderive->last_srv_date;
+
+ $ssql .= $orderlimit;
+
+ warn "searching for times to add $serviceid\n" if $DEBUG;
+ warn $ssql if $DEBUG > 2;
+ my $sth = dbh->prepare($ssql) or die $DBI::errstr; #better recovery here?
+
+ eval {
+ my $h = set_sig_handler( 'ALRM', sub { die "_timeout\n"; } );
+ alarm($search_timeout);
+ $sth->execute($serviceid, $serviceid) or die $sth->errstr;
+ alarm(0);
+ };
+ alarm(0);
+
+ if ( $@ && $@ eq "_timeout\n" ) {
+ #warn "search timed out; reconnecting and restarting\n";
+ warn "search timed out\n";
+ dbh->clone()->do("KILL QUERY ". dbh->{"mysql_thread_id"})
+ if driver_name eq 'mysql';
+ dbh->rollback; #or die dbh->errstr;
+ #adminsuidsetup($user);
+ #next SERVICEID; #MAIN;
+ exit;
+ } elsif ( $@ ) {
+ die $@;
}
- if ( $srv_date ne $torrus_srvderive->last_srv_date ) {
- warn "updating last_srv_date of $serviceid to $srv_date\n" if $DEBUG;
- $torrus_srvderive->last_srv_date($srv_date);
- my $error = $torrus_srvderive->replace;
- die $error if $error;
+ warn "search for $serviceid finished; checking results\n" if $DEBUG;
+
+ my $prev = 0;
+ while ( my $row = $sth->fetchrow_arrayref ) {
+ last if sigterm() || sigint();
+
+ my( $srv_date, $srv_time ) = @$row;
+ my $cur = str2time( "$srv_date $srv_time" );
+ next if $cur-$prev <= 60;
+ last if time - $cur <= 300;
+
+ warn "no $serviceid for $srv_date $srv_time; adding\n"
+ if $DEBUG;
+ $found++;
+
+ for my $dir ('_IN', '_OUT') {
+
+ my $sin = join(',', map dbh->quote("$_$dir"), @serviceids);
+
+ my $sum = "
+ SELECT COALESCE(SUM(value),0) FROM srvexport AS other
+ WHERE other.serviceid IN ($sin)
+ AND ABS( $cur - $other_date ) <= 60
+ ";
+
+ my $isql = "
+ INSERT INTO srvexport ( srv_date, srv_time, serviceid, value, intvl )
+ VALUES ( ?, ?, ?, ($sum), ? )
+ ";
+ my @param = ( time2str('%Y-%m-%d', $cur), #srv_date
+ time2str('%X', $cur), #srv_time
+ "$serviceid$dir",
+ 300, #intvl ...
+ );
+ warn $isql. ' with param '. join(',',@param). "\n"
+ if $DEBUG > 2;
+
+ my $isth = dbh->prepare($isql) or die $DBI::errstr; #better recovery?
+
+ #stupid mysql deadlocks all the time on insert, so we need to recover
+ unless ( $isth->execute(@param) ) {
+ #warn "Error inserting data for $serviceid$dir (restarting): ".
+ # $isth->errstr;
+ warn "Error inserting data for $serviceid$dir: ". $isth->errstr;
+ dbh->rollback; #or die dbh->errstr;
+ #sleep 5;
+ #next SERVICEID; #MAIN;
+ exit;
+ }
+
+ }
+
+ if ( $srv_date ne $torrus_srvderive->last_srv_date ) {
+ warn "updating last_srv_date of $serviceid to $srv_date\n" if $DEBUG;
+ $torrus_srvderive->last_srv_date($srv_date);
+ my $error = $torrus_srvderive->replace;
+ die $error if $error;
+ }
+ dbh->commit or die dbh->errstr;
+
+ $prev = $cur;
}
- dbh->commit or die dbh->errstr;
+ warn "done with $serviceid\n" if $DEBUG;
- $prev = $cur;
+ exit;
+ #end-of-kid
}
- warn "done with $serviceid\n" if $DEBUG;
- }
+ } #foreach my $torrus_srvderive
+ dbh->commit or die dbh->errstr;
myexit() if sigterm() || sigint();
warn "restarting main loop\n" if $DEBUG > 1;
- sleep 60 unless $found;
+ #sleep 60 unless $found;
}
sub _shouldrun {
die "Usage:\n\n freeside-cdrrewrited user\n";
}
+sub reap_kids {
+ foreach my $pid ( keys %kids ) {
+ my $kid = waitpid($pid, WNOHANG);
+ if ( $kid > 0 ) {
+ $kids--;
+ delete $kids{$kid};
+ }
+ }
+}
=head1 NAME