foreach ($switch_queue as $object) {
if ($do_fork) {
// wait for the next free slot
while ($fork_slots <= $switches_working) {
pcntl_waitpid(-1, $wait_status);
--$switches_working;
}
$i_am_child = 0 === ($fork_res = pcntl_fork());
}
if (!$do_fork or $i_am_child) {
try {
// make a separate DB connection for correct concurrent transactions handling
if ($i_am_child) {
connectDB();
}
$portsdone = exec8021QDeploy($object['id'], $do_push);
$flags = PML_NOTICE;
if (!$portsdone) {
$flags |= PML_VERBOSE;
}
print_message_line("Done '{$object['dname']}': {$portsdone}", $flags);
} catch (RackTablesError $e) {
print_message_line("FAILED '{$object['dname']}': " . $e->getMessage());
}
if ($i_am_child) {
exit(0);
}
}
if (isset($fork_res) and $fork_res > 0) {
++$switches_working;
}
function process8021QSyncRequest()
{
// behave depending on current operation: exec8021QPull or exec8021QPush
global $sic, $op;
if (FALSE === ($done = exec8021QDeploy($sic['object_id'], $op == 'exec8021QPush'))) {
showFuncMessage(__FUNCTION__, 'ERR');
} else {
showFuncMessage(__FUNCTION__, 'OK', array($done));
}
}
function apply8021qChangeRequest($switch_id, $changes, $verbose = TRUE, $mutex_rev = NULL)
{
global $dbxlink;
$dbxlink->beginTransaction();
try {
if (NULL === ($vswitch = getVLANSwitchInfo($switch_id, 'FOR UPDATE'))) {
throw new InvalidArgException('object_id', $switch_id, 'VLAN domain is not set for this object');
}
if (isset($mutex_rev) and $vswitch['mutex_rev'] != $mutex_rev) {
throw new InvalidRequestArgException('mutex_rev', $mutex_rev, 'expired form data');
}
$after = $before = apply8021QOrder($vswitch['template_id'], getStored8021QConfig($vswitch['object_id'], 'desired'));
$domain_vlanlist = getDomainVLANs($vswitch['domain_id']);
$changes = filter8021QChangeRequests($domain_vlanlist, $before, apply8021QOrder($vswitch['template_id'], $changes));
$desired_ports_count = count($changes);
$changes = authorize8021QChangeRequests($before, $changes);
if (count($changes) < $desired_ports_count) {
showWarning(sprintf("Permission denied to change %d ports", $desired_ports_count - count($changes)));
}
foreach ($changes as $port_name => $port) {
$after[$port_name] = $port;
}
$new_uplinks = filter8021QChangeRequests($domain_vlanlist, $after, produceUplinkPorts($domain_vlanlist, $after, $vswitch['object_id']));
$npulled = replace8021QPorts('desired', $vswitch['object_id'], $before, $changes);
$nsaved_uplinks = replace8021QPorts('desired', $vswitch['object_id'], $before, $new_uplinks);
if ($npulled + $nsaved_uplinks) {
touchVLANSwitch($vswitch['object_id']);
}
$dbxlink->commit();
} catch (Exception $e) {
$dbxlink->rollBack();
showError(sprintf("Failed to update switchports: %s", $e->getMessage()));
return 0;
}
$nsaved_downlinks = 0;
if ($nsaved_uplinks) {
$nsaved_downlinks = initiateUplinksReverb($vswitch['object_id'], $new_uplinks);
}
// instant deploy to that switch if configured
$done = 0;
if ($npulled + $nsaved_uplinks > 0 and getConfigVar('8021Q_INSTANT_DEPLOY') == 'yes') {
try {
if (FALSE === ($done = exec8021QDeploy($vswitch['object_id'], TRUE))) {
showError("deploy was blocked due to conflicting configuration versions");
} elseif ($verbose) {
showSuccess(sprintf("Configuration for %u port(s) have been deployed", $done));
}
} catch (Exception $e) {
showError(sprintf("Failed to deploy changes to switch: %s", $e->getMessage()));
}
}
// report number of changed ports
$total = $npulled + $nsaved_uplinks + $nsaved_downlinks;
if ($verbose) {
$message = sprintf('%u port(s) have been changed', $total);
if ($total > 0) {
showSuccess($message);
} else {
showNotice($message);
}
}
return $total;
}