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More optimization of detect_configuration()

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2015-04-28 11:32:45 -07:00
parent 864dba2e62
commit 86e053be7a
3 changed files with 81 additions and 14 deletions
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42
Shorewall/Perl/Shorewall/Chains.pm
View File

@ -260,6 +260,7 @@ our %EXPORT_TAGS = (
get_interface_gateway
get_interface_mac
have_global_variables
have_address_variables
set_global_variables
save_dynamic_chains
load_ipsets
@ -5604,6 +5605,8 @@ sub have_ipset_rules() {
sub get_interface_address( $ );
sub get_interface_gateway ( $;$ );
sub record_runtime_address( $$;$ ) {
my ( $addrtype, $interface, $protect ) = @_;
@ -6693,11 +6696,10 @@ sub get_interface_gateway ( $;$ ) {
$global_variables |= ALL_COMMANDS;
if ( interface_is_optional $logical ) {
$interfacegateways{$interface} = qq([ -n "\$$variable" ] || $variable=\$($routine $interface)\n);
$interfacegateways{$interface} = qq([ -n "\$$variable" ] || $variable=\$($routine $interface));
} else {
$interfacegateways{$interface} = qq([ -n "\$$variable" ] || $variable=\$($routine $interface)
[ -n "\$$variable" ] || startup_error "Unable to detect the gateway through interface $interface"
);
[ -n "\$$variable" ] || startup_error "Unable to detect the gateway through interface $interface");
}
$protect ? "\${$variable:-" . NILIP . '}' : "\$$variable";
@ -6803,16 +6805,40 @@ sub have_global_variables() {
have_capability( 'ADDRTYPE' ) ? $global_variables : $global_variables | NOT_RESTORE;
}
sub have_address_variables() {
( keys %interfaceaddr || keys %interfacemacs || keys %interfacegateways );
}
#
# Generate setting of run-time global shell variables
#
sub set_global_variables( $ ) {
sub set_global_variables( $$ ) {
my $setall = shift;
my ( $setall, $conditional ) = @_;
emit $_ for values %interfaceaddr;
emit $_ for values %interfacegateways;
emit $_ for values %interfacemacs;
if ( $conditional ) {
my ( $interface, $code );
while ( ( $interface, $code ) = each %interfaceaddr ) {
emit( qq([ -z "\$interface" -o "\$interface" = "$interface" ] && $code) );
}
while ( ( $interface, $code ) = each %interfacegateways ) {
emit( qq(if [ -z "\$interface" -o "\$interface" = "$interface" ]; then) );
push_indent;
emit( $code );
pop_indent;
emit( qq(fi\n) );
}
while ( ( $interface, $code ) = each %interfacemacs ) {
emit( qq([ -z "\$interface" -o "\$interface" = "$interface" ] && $code) );
}
} else {
emit $_ for values %interfaceaddr;
emit "$_\n" for values %interfacegateways;
emit $_ for values %interfacemacs;
}
if ( $setall ) {
emit $_ for values %interfaceaddrs;

17
Shorewall/Perl/Shorewall/Compiler.pm
View File

@ -274,10 +274,21 @@ sub generate_script_2() {
'detect_configuration()',
'{' );
my $global_variables = have_global_variables;
my $global_variables = have_global_variables;
my $optional_interfaces = find_interfaces_by_option( 'optional' );
push_indent;
if ( have_address_variables || @$optional_interfaces ) {
emit( 'local interface',
'',
'interface="$1"',
''
);
}
map_provider_to_interface if have_providers;
if ( $global_variables ) {
if ( $global_variables & NOT_RESTORE ) {
@ -292,7 +303,7 @@ sub generate_script_2() {
if ( $global_variables == ( ALL_COMMANDS | NOT_RESTORE ) ) {
set_global_variables(0);
set_global_variables(0, 0);
handle_optional_interfaces(0);
}
@ -306,7 +317,7 @@ sub generate_script_2() {
push_indent;
}
set_global_variables(1);
set_global_variables(1,1);
if ( $global_variables & NOT_RESTORE ) {
handle_optional_interfaces(0);

36
Shorewall/Perl/Shorewall/Providers.pm
View File

@ -44,6 +44,7 @@ our @EXPORT = qw( process_providers
compile_updown
setup_load_distribution
have_providers
map_provider_to_interface
);
our @EXPORT_OK = qw( initialize provider_realm );
our $VERSION = '4.4_24';
@ -1588,6 +1589,35 @@ sub have_providers() {
return our $providers;
}
sub map_provider_to_interface() {
my $haveoptional;
for my $providerref ( values %providers ) {
if ( $providerref->{optional} ) {
unless ( $haveoptional++ ) {
emit( 'if [ -n "$interface" ]; then',
' case $interface in' );
push_indent;
push_indent;
}
emit( $providerref->{provider} . ')',
' interface=' . $providerref->{physical},
' ;;' );
}
}
if ( $haveoptional ) {
pop_indent;
pop_indent;
emit( ' esac',
"fi\n"
);
}
}
sub setup_providers() {
our $providers;
@ -1945,12 +1975,12 @@ sub handle_optional_interfaces( $ ) {
#
# Just an optional interface, or provider and interface are the same
#
emit qq(if [ -z "\$1" -o "\$1" = "$physical" ]; then);
emit qq(if [ -z "\$interface" -o "\$interface" = "$physical" ]; then);
} else {
#
# Provider
#
emit qq(if [ -z "\$1" -o "\$1" = "$physical" -o "\$1" = "$provider" ]; then);
emit qq(if [ -z "\$interface" -o "\$interface" = "$physical" ]; then);
}
push_indent;
@ -1967,7 +1997,7 @@ sub handle_optional_interfaces( $ ) {
pop_indent;
emit( 'fi' );
emit( "fi\n" );
emit( ';;' ), pop_indent if $wildcards;
}