static void
test_update_nonexistent_wildcards_entry_fails() {
oxm_matches *carol = create_oxm_matches();
set_carol_match_entry( carol );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
assert_true( !update_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_OTHER_SERVICE_NAME ) ) );
oxm_matches *alice_wildcards = create_oxm_matches();
set_alice_match_entry( alice_wildcards );
assert_true( insert_match_entry( alice_wildcards, DEFAULT_PRIORITY, xstrdup( ALICE_MATCH_SERVICE_NAME ) ) );
assert_true( !update_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_OTHER_SERVICE_NAME ) ) );
void *data = lookup_match_strict_entry( carol_wildcards, DEFAULT_PRIORITY );
assert_true( data == NULL );
data = lookup_match_entry( carol );
assert_true( data == NULL );
XFREE( delete_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY ) );
delete_oxm_matches( carol );
delete_oxm_matches( carol_wildcards );
delete_oxm_matches( alice_wildcards );
}
static void
test_map_entry_if_match_set_nw_src_helper( oxm_matches *match, uint16_t priority, void *data, void *user_data ) {
oxm_matches *alice = create_oxm_matches();
set_alice_match_entry( alice );
oxm_matches *alice_wildcards = create_oxm_matches();
set_alice_wildcards_entry( alice_wildcards );
switch ( ++count ) {
case 1:
assert_string_equal( ( char * ) data, ALICE_MATCH_SERVICE_NAME );
assert_true( priority == HIGH_PRIORITY );
assert_true( compare_oxm_match_strict( match, alice ) );
XFREE( data );
break;
case 2:
assert_string_equal( ( char * ) data, ALICE_MATCH_SERVICE_NAME );
assert_true( priority == DEFAULT_PRIORITY );
assert_true( compare_oxm_match_strict( match, alice_wildcards ) );
XFREE( data );
break;
default:
assert_true( false );
break;
}
assert_string_equal( ( char * ) user_data, USER_DATA );
delete_oxm_matches( alice );
delete_oxm_matches( alice_wildcards );
}
static void
add_all_wildcards_entry() {
oxm_matches *alice_wildcards = create_oxm_matches();
set_alice_wildcards_entry( alice_wildcards );
assert_true( insert_match_entry( alice_wildcards, DEFAULT_PRIORITY, xstrdup( ALICE_MATCH_SERVICE_NAME ) ) );
oxm_matches *bob_wildcards = create_oxm_matches();
set_bob_wildcards_entry( bob_wildcards );
assert_true( insert_match_entry( bob_wildcards, DEFAULT_PRIORITY, xstrdup( BOB_MATCH_SERVICE_NAME ) ) );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
assert_true( insert_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_SERVICE_NAME ) ) );
oxm_matches *any_wildcards = create_oxm_matches();
set_any_wildcards_entry( any_wildcards );
assert_true( insert_match_entry( any_wildcards, LOW_PRIORITY, xstrdup( ANY_MATCH_SERVICE_NAME ) ) );
oxm_matches *lldp_wildcards = create_oxm_matches();
set_lldp_wildcards_entry( lldp_wildcards );
assert_true( insert_match_entry( lldp_wildcards, HIGH_PRIORITY, xstrdup( LLDP_MATCH_SERVICE_NAME ) ) );
assert_true( update_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_OTHER_SERVICE_NAME ) ) );
delete_oxm_matches( alice_wildcards );
delete_oxm_matches( bob_wildcards );
delete_oxm_matches( carol_wildcards );
delete_oxm_matches( any_wildcards );
delete_oxm_matches( lldp_wildcards );
}
static void
test_insert_wildcards_entry_into_empty_table_succeeds() {
oxm_matches *alice = create_oxm_matches();
set_alice_match_entry( alice );
oxm_matches *alice_wildcards = create_oxm_matches();
set_alice_wildcards_entry( alice_wildcards );
assert_true( insert_match_entry( alice_wildcards, DEFAULT_PRIORITY, xstrdup( ALICE_MATCH_SERVICE_NAME ) ) );
oxm_matches *bob = create_oxm_matches();
set_bob_match_entry( bob );
void *data0 = lookup_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY );
assert_true( data0 != NULL );
assert_string_equal( ( char * ) data0, ALICE_MATCH_SERVICE_NAME );
void *data1 = lookup_match_entry( alice );
assert_true( data1 != NULL );
assert_string_equal( ( char * ) data1, ALICE_MATCH_SERVICE_NAME );
assert_true( data0 == data1 );
assert_true( lookup_match_entry( bob ) == NULL );
void *data2 = delete_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY );
assert_true( data2 != NULL );
assert_string_equal( ( char * ) data2, ALICE_MATCH_SERVICE_NAME );
assert_true( data1 == data2 );
XFREE( data2 );
delete_oxm_matches( alice );
delete_oxm_matches( alice_wildcards );
delete_oxm_matches( bob );
}
static void
test_map_entry_if_match_set_nw_prefix_helper( oxm_matches *match, uint16_t priority, void *data, void *user_data ) {
oxm_matches *nw_prefix_24 = create_oxm_matches();
set_nw_prefix_24_wildcards_entry( nw_prefix_24 );
oxm_matches *nw_prefix_28 = create_oxm_matches();
set_nw_prefix_28_wildcards_entry( nw_prefix_28 );
switch ( ++count ) {
case 1:
assert_string_equal( ( char * ) data, NW_PREFIX_24_SERVICE_NAME );
assert_true( priority == DEFAULT_PRIORITY );
assert_true( compare_oxm_match_strict( match, nw_prefix_24 ) );
XFREE( data );
break;
case 2:
assert_string_equal( ( char * ) data, NW_PREFIX_28_SERVICE_NAME );
assert_true( priority == DEFAULT_PRIORITY );
assert_true( compare_oxm_match_strict( match, nw_prefix_28 ) );
XFREE( data );
break;
default:
assert_true( false );
break;
}
assert_string_equal( ( char * ) user_data, USER_DATA );
delete_oxm_matches( nw_prefix_24 );
delete_oxm_matches( nw_prefix_28 );
}
static void
test_map_entry_if_match_set_nw_prefix() {
oxm_matches *nw_src_prefix_20 = create_oxm_matches();
set_nw_src_prefix_20_wildcards_entry( nw_src_prefix_20 );
assert_true( insert_match_entry( nw_src_prefix_20, DEFAULT_PRIORITY, xstrdup( NW_SRC_PREFIX_20_SERVICE_NAME ) ) );
oxm_matches *nw_dst_prefix_20 = create_oxm_matches();
set_nw_dst_prefix_20_wildcards_entry( nw_dst_prefix_20 );
assert_true( insert_match_entry( nw_dst_prefix_20, DEFAULT_PRIORITY, xstrdup( NW_DST_PREFIX_20_SERVICE_NAME ) ) );
oxm_matches *nw_prefix_24 = create_oxm_matches();
set_nw_prefix_24_wildcards_entry( nw_prefix_24 );
assert_true( insert_match_entry( nw_prefix_24, DEFAULT_PRIORITY, xstrdup( NW_PREFIX_24_SERVICE_NAME ) ) );
oxm_matches *nw_prefix_28 = create_oxm_matches();
set_nw_prefix_28_wildcards_entry( nw_prefix_28 );
assert_true( insert_match_entry( nw_prefix_28, DEFAULT_PRIORITY, xstrdup( NW_PREFIX_28_SERVICE_NAME ) ) );
oxm_matches *match = create_oxm_matches();
set_nw_prefix_24_wildcards_entry( match );
char *user_data = xstrdup( USER_DATA );
count = 0;
map_match_table( match, test_map_entry_if_match_set_nw_prefix_helper, user_data );
assert_int_equal( count, 2 );
XFREE( user_data );
delete_oxm_matches( nw_src_prefix_20 );
delete_oxm_matches( nw_dst_prefix_20 );
delete_oxm_matches( nw_prefix_24 );
delete_oxm_matches( nw_prefix_28 );
delete_oxm_matches( match );
}
static void
test_insert_lowest_priority_wildcards_entry_succeeds() {
oxm_matches *alice = create_oxm_matches();
set_alice_match_entry( alice );
oxm_matches *alice_wildcards = create_oxm_matches();
set_alice_wildcards_entry( alice_wildcards );
assert_true( insert_match_entry( alice_wildcards, DEFAULT_PRIORITY, xstrdup( ALICE_MATCH_SERVICE_NAME ) ) );
oxm_matches *bob_wildcards = create_oxm_matches();
set_bob_wildcards_entry( bob_wildcards );
assert_true( insert_match_entry( bob_wildcards, LOW_PRIORITY, xstrdup( BOB_MATCH_SERVICE_NAME ) ) );
void *data0 = lookup_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY );
assert_true( data0 != NULL );
assert_string_equal( ( char * ) data0, ALICE_MATCH_SERVICE_NAME );
void *data1 = lookup_match_entry( alice );
assert_true( data1 != NULL );
assert_string_equal( ( char * ) data1, ALICE_MATCH_SERVICE_NAME );
assert_true( data0 == data1 );
oxm_matches *lldp_wildcards = create_oxm_matches();
set_lldp_wildcards_entry( lldp_wildcards );
assert_true( insert_match_entry( lldp_wildcards, LOW_PRIORITY, xstrdup( LLDP_MATCH_SERVICE_NAME ) ) );
data0 = lookup_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY );
assert_true( data0 != NULL );
assert_string_equal( ( char * ) data0, ALICE_MATCH_SERVICE_NAME );
data1 = lookup_match_entry( alice );
assert_true( data1 != NULL );
assert_string_equal( ( char * ) data1, ALICE_MATCH_SERVICE_NAME );
assert_true( data0 == data1 );
oxm_matches *any_wildcards = create_oxm_matches();
set_any_wildcards_entry( any_wildcards );
assert_true( insert_match_entry( any_wildcards, LOW_PRIORITY, xstrdup( ANY_MATCH_SERVICE_NAME ) ) );
data0 = lookup_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY );
assert_true( data0 != NULL );
assert_string_equal( ( char * ) data0, ALICE_MATCH_SERVICE_NAME );
data1 = lookup_match_entry( alice );
assert_true( data1 != NULL );
assert_string_equal( ( char * ) data1, ALICE_MATCH_SERVICE_NAME );
assert_true( data0 == data1 );
XFREE( delete_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY ) );
XFREE( delete_match_strict_entry( bob_wildcards, LOW_PRIORITY ) );
XFREE( delete_match_strict_entry( lldp_wildcards, LOW_PRIORITY ) );
XFREE( delete_match_strict_entry( any_wildcards, LOW_PRIORITY ) );
delete_oxm_matches( alice );
delete_oxm_matches( alice_wildcards );
delete_oxm_matches( bob_wildcards );
delete_oxm_matches( lldp_wildcards );
delete_oxm_matches( any_wildcards );
}
static void
test_foreach_entry_if_wildcards_table_only_helper( oxm_matches *match, uint16_t priority, void *data, void *user_data ) {
oxm_matches *alice_wildcards = create_oxm_matches();
set_alice_wildcards_entry( alice_wildcards );
oxm_matches *bob_wildcards = create_oxm_matches();
set_bob_wildcards_entry( bob_wildcards );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
oxm_matches *any_wildcards = create_oxm_matches();
set_any_wildcards_entry( any_wildcards );
oxm_matches *lldp_wildcards = create_oxm_matches();
set_lldp_wildcards_entry( lldp_wildcards );
switch ( ++count ) {
case 2:
assert_string_equal( ( char * ) data, ALICE_MATCH_SERVICE_NAME );
assert_true( priority == DEFAULT_PRIORITY );
assert_true( compare_oxm_match_strict( match, alice_wildcards ) );
break;
case 3:
assert_string_equal( ( char * ) data, BOB_MATCH_SERVICE_NAME );
assert_true( priority == DEFAULT_PRIORITY );
assert_true( compare_oxm_match_strict( match, bob_wildcards ) );
break;
case 4:
assert_string_equal( ( char * ) data, CAROL_MATCH_OTHER_SERVICE_NAME );
assert_true( priority == DEFAULT_PRIORITY );
assert_true( compare_oxm_match_strict( match, carol_wildcards ) );
break;
case 5:
assert_string_equal( ( char * ) data, ANY_MATCH_SERVICE_NAME );
assert_true( priority == LOW_PRIORITY );
assert_true( compare_oxm_match_strict( match, any_wildcards ) );
break;
case 1:
assert_string_equal( ( char * ) data, LLDP_MATCH_SERVICE_NAME );
assert_true( priority == HIGH_PRIORITY );
assert_true( compare_oxm_match_strict( match, lldp_wildcards ) );
break;
default:
assert_true( false );
break;
}
assert_string_equal( ( char * ) user_data, USER_DATA );
delete_oxm_matches( alice_wildcards );
delete_oxm_matches( bob_wildcards );
delete_oxm_matches( carol_wildcards );
delete_oxm_matches( any_wildcards );
delete_oxm_matches( lldp_wildcards );
}
static void
test_update_different_priority_wildcards_entry_fails() {
oxm_matches *carol = create_oxm_matches();
set_carol_match_entry( carol );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
assert_true( insert_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_SERVICE_NAME ) ) );
assert_true( !update_match_entry( carol_wildcards, DEFAULT_PRIORITY + 1, xstrdup( CAROL_MATCH_OTHER_SERVICE_NAME ) ) );
XFREE( delete_match_strict_entry( carol_wildcards, DEFAULT_PRIORITY ) );
delete_oxm_matches( carol );
delete_oxm_matches( carol_wildcards );}
static void
test_delete_of_deleted_wildcards_entry_fails() {
oxm_matches *carol = create_oxm_matches();
set_carol_match_entry( carol );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
assert_true( insert_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_SERVICE_NAME ) ) );
XFREE( delete_match_strict_entry( carol_wildcards, DEFAULT_PRIORITY ) );
assert_true( delete_match_strict_entry( carol_wildcards, DEFAULT_PRIORITY ) == NULL );
delete_oxm_matches( carol );
delete_oxm_matches( carol_wildcards );
}
oxm_matches *
pack_flexible_action( VALUE r_action ) {
oxm_matches *oxm_match = create_oxm_matches();
VALUE r_oxm_ins = Qnil;
VALUE r_id = rb_intern( "flexible_action" );
if ( !NIL_P( r_action ) ) {
switch ( TYPE( r_action ) ) {
case T_ARRAY: {
VALUE *each = RARRAY_PTR( r_action );
for ( int i = 0; i < RARRAY_LEN( r_action ); i++ ) {
if ( rb_respond_to( each[ i ], r_id ) ) {
r_oxm_ins = Data_Wrap_Struct( rb_obj_class( each[ i ] ), NULL, NULL, oxm_match );
rb_funcall( each[ i ], r_id, 1, r_oxm_ins );
}
}
}
break;
case T_OBJECT:
if ( rb_respond_to( r_action, r_id ) ) {
r_oxm_ins = Data_Wrap_Struct( rb_obj_class( r_action ), NULL, NULL, oxm_match );
rb_funcall( r_action, r_id, 1, r_oxm_ins );
}
break;
default:
rb_raise( rb_eTypeError, "Action argument must be either an Array or an Action object" );
break;
}
}
Data_Get_Struct( r_oxm_ins, oxm_matches, oxm_match );
return oxm_match;
}
static void
dump_filter_strict( void ) {
oxm_matches *match = create_oxm_matches();
append_oxm_match_in_port( match, 1 );
append_oxm_match_eth_type( match, 0x0800 );
append_oxm_match_vlan_vid( match, 0, 0 );
append_oxm_match_ipv4_src( match, 0x0a000001, 0 );
append_oxm_match_ipv4_dst( match, 0x0a000002, 0 );
append_oxm_match_ip_dscp( match, 0 );
append_oxm_match_ip_ecn( match, 0 );
append_oxm_match_ip_proto( match, 0x6 );
append_oxm_match_tcp_src( match, 1024 );
append_oxm_match_tcp_dst( match, 2048 );
static handler_data data;
data.match = match;
snprintf( data.service_name, sizeof( data.service_name ), "dumper" );
data.service_name[ sizeof( data.service_name ) - 1 ] = '\0';
data.strict = true;
bool ret = dump_packetin_filter( data.match, OFP_HIGH_PRIORITY, data.service_name, data.strict,
dump_filters, &data );
if ( ret == false ) {
error( "Failed to dump packetin filters ( ret = %d ).", ret );
}
else {
add_periodic_event_callback( 5, timeout, &data );
}
}
oxm_matches *
parse_ofp_match( struct ofp_match *match ) {
assert( match != NULL );
assert( ntohs( match->length ) >= offsetof( struct ofp_match, oxm_fields ) );
uint16_t oxms_len = 0;
uint16_t oxm_len = 0;
oxm_match_header *dst, *src;
oxm_matches *matches = create_oxm_matches();
uint16_t offset = offsetof( struct ofp_match, oxm_fields );
oxms_len = ( uint16_t ) ( ntohs( match->length ) - offset );
src = ( oxm_match_header * ) ( ( char * ) match + offset );
while ( oxms_len > sizeof( oxm_match_header ) ) {
oxm_len = OXM_LENGTH( ntohl( *src ) );
dst = ( oxm_match_header * ) xcalloc( 1, sizeof( oxm_match_header ) + oxm_len );
ntoh_oxm_match( dst, src );
append_oxm_match( matches, dst );
offset = ( uint16_t ) ( sizeof( oxm_match_header ) + oxm_len );
if ( oxms_len < offset ) {
break;
}
oxms_len = ( uint16_t ) ( oxms_len - offset );
src = ( oxm_match_header * ) ( ( char * ) src + offset );
}
return matches;
}
static void
test_insert_existing_same_match_same_priority_wildcards_entry_fails() {
oxm_matches *carol = create_oxm_matches();
set_carol_match_entry( carol );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
assert_true( insert_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_SERVICE_NAME ) ) );
assert_true( !insert_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_OTHER_SERVICE_NAME ) ) );
void *data = lookup_match_entry( carol );
assert_true( data != NULL );
assert_string_equal( ( char * ) data, CAROL_MATCH_SERVICE_NAME );
XFREE( delete_match_strict_entry( carol_wildcards, DEFAULT_PRIORITY ) );
delete_oxm_matches( carol );
delete_oxm_matches( carol_wildcards );
}
static void
test_delete_match_strict_entry_dies_if_not_initialized() {
assert_true( _match_table_head == NULL );
oxm_matches *alice = create_oxm_matches();
set_alice_match_entry( alice );
expect_assert_failure( delete_match_strict_entry( alice, DEFAULT_PRIORITY ) );
delete_oxm_matches( alice );
}
static void
add_all_exact_entry() {
oxm_matches *alice = create_oxm_matches();
set_alice_match_entry( alice );
assert_true( insert_match_entry( alice, HIGH_PRIORITY, xstrdup( ALICE_MATCH_SERVICE_NAME ) ) );
oxm_matches *bob = create_oxm_matches();
set_bob_match_entry( bob );
assert_true( insert_match_entry( bob, HIGH_PRIORITY, xstrdup( BOB_MATCH_SERVICE_NAME ) ) );
oxm_matches *carol = create_oxm_matches();
set_carol_match_entry( carol );
assert_true( insert_match_entry( carol, HIGH_PRIORITY, xstrdup( CAROL_MATCH_SERVICE_NAME ) ) );
assert_true( update_match_entry( carol, HIGH_PRIORITY, xstrdup( CAROL_MATCH_OTHER_SERVICE_NAME ) ) );
delete_oxm_matches( alice );
delete_oxm_matches( bob );
delete_oxm_matches( carol );
}
static void
test_lookup_match_entry_dies_if_not_initialized() {
assert_true( _match_table_head == NULL );
oxm_matches *alice = create_oxm_matches();
set_alice_match_entry( alice );
expect_assert_failure( lookup_match_entry( alice ) );
delete_oxm_matches( alice );
}
static void
handle_packet_in( uint64_t datapath_id, packet_in message ) {
if ( message.data == NULL ) {
error( "data must not be NULL" );
return;
}
uint32_t in_port = get_in_port_from_oxm_matches( message.match );
if ( in_port == 0 ) {
return;
}
openflow_actions *actions = create_actions();
append_action_output( actions, OFPP_ALL, OFPCML_NO_BUFFER );
openflow_instructions *insts = create_instructions();
append_instructions_apply_actions( insts, actions );
oxm_matches *match = create_oxm_matches();
set_match_from_packet( match, in_port, 0, message.data );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
60,
0,
OFP_HIGH_PRIORITY,
message.buffer_id,
0,
0,
OFPFF_SEND_FLOW_REM,
match,
insts
);
send_openflow_message( datapath_id, flow_mod );
free_buffer( flow_mod );
delete_oxm_matches( match );
delete_instructions( insts );
if ( message.buffer_id == OFP_NO_BUFFER ) {
buffer *frame = duplicate_buffer( message.data );
fill_ether_padding( frame );
buffer *packet_out = create_packet_out(
get_transaction_id(),
message.buffer_id,
in_port,
actions,
frame
);
send_openflow_message( datapath_id, packet_out );
free_buffer( packet_out );
free_buffer( frame );
}
delete_actions( actions );
}
static void
test_insert_existing_same_priority_wildcards_entry_succeeds() {
oxm_matches *alice = create_oxm_matches();
set_alice_match_entry( alice );
oxm_matches *alice_wildcards = create_oxm_matches();
set_alice_wildcards_entry( alice_wildcards );
assert_true( insert_match_entry( alice_wildcards, DEFAULT_PRIORITY, xstrdup( ALICE_MATCH_SERVICE_NAME ) ) );
oxm_matches *bob = create_oxm_matches();
set_bob_match_entry( bob );
oxm_matches *bob_wildcards = create_oxm_matches();
set_bob_wildcards_entry( bob_wildcards );
assert_true( insert_match_entry( bob_wildcards, DEFAULT_PRIORITY, xstrdup( BOB_MATCH_SERVICE_NAME ) ) );
void *data0 = lookup_match_strict_entry( bob_wildcards, DEFAULT_PRIORITY );
assert_true( data0 != NULL );
assert_string_equal( ( char * ) data0, BOB_MATCH_SERVICE_NAME );
void *data1 = lookup_match_entry( bob );
assert_true( data1 != NULL );
assert_string_equal( ( char * ) data1, BOB_MATCH_SERVICE_NAME );
assert_true( data0 == data1 );
oxm_matches *any_wildcards = create_oxm_matches();
set_any_wildcards_entry( any_wildcards );
assert_true( insert_match_entry( any_wildcards, DEFAULT_PRIORITY, xstrdup( ANY_MATCH_SERVICE_NAME ) ) );
oxm_matches *carol = create_oxm_matches();
set_carol_match_entry( carol );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
assert_true( insert_match_entry( carol_wildcards, DEFAULT_PRIORITY, xstrdup( CAROL_MATCH_SERVICE_NAME ) ) );
data0 = lookup_match_strict_entry( carol_wildcards, DEFAULT_PRIORITY );
assert_true( data0 != NULL );
assert_string_equal( ( char * ) data0, CAROL_MATCH_SERVICE_NAME );
data1 = lookup_match_entry( carol );
assert_true( data1 != NULL );
assert_string_equal( ( char * ) data1, ANY_MATCH_SERVICE_NAME );
assert_true( data0 != data1 );
data1 = lookup_match_entry( alice );
assert_true( data1 != NULL );
assert_string_equal( ( char * ) data1, ALICE_MATCH_SERVICE_NAME );
data1 = lookup_match_entry( bob );
assert_true( data1 != NULL );
assert_string_equal( ( char * ) data1, BOB_MATCH_SERVICE_NAME );
XFREE( delete_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY ) );
XFREE( delete_match_strict_entry( bob_wildcards, DEFAULT_PRIORITY ) );
XFREE( delete_match_strict_entry( carol_wildcards, DEFAULT_PRIORITY ) );
XFREE( delete_match_strict_entry( any_wildcards, DEFAULT_PRIORITY ) );
delete_oxm_matches( alice );
delete_oxm_matches( alice_wildcards );
delete_oxm_matches( bob );
delete_oxm_matches( bob_wildcards );
delete_oxm_matches( carol );
delete_oxm_matches( carol_wildcards );
delete_oxm_matches( any_wildcards );
}
static void
test_update_match_entry_dies_if_not_initialized() {
assert_true( _match_table_head == NULL );
oxm_matches *alice = create_oxm_matches();
set_alice_match_entry( alice );
void *data = xstrdup( ALICE_MATCH_SERVICE_NAME );
expect_assert_failure( update_match_entry( alice, DEFAULT_PRIORITY, data ) );
XFREE( data );
delete_oxm_matches( alice );
}
static void
test_reinsert_of_deleted_lowhest_priority_wildcards_entry_succeeds() {
oxm_matches *carol = create_oxm_matches();
set_carol_match_entry( carol );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
assert_true( insert_match_entry( carol_wildcards, LOW_PRIORITY, xstrdup( CAROL_MATCH_SERVICE_NAME ) ) );
XFREE( delete_match_strict_entry( carol_wildcards, LOW_PRIORITY ) );
void *data = lookup_match_strict_entry( carol, LOW_PRIORITY );
assert_true( data == NULL );
data = lookup_match_entry( carol );
assert_true( data == NULL );
assert_true( insert_match_entry( carol_wildcards, LOW_PRIORITY, xstrdup( CAROL_MATCH_OTHER_SERVICE_NAME ) ) );
data = lookup_match_entry( carol );
assert_true( data != NULL );
assert_string_equal( ( char * ) data, CAROL_MATCH_OTHER_SERVICE_NAME );
XFREE( delete_match_strict_entry( carol_wildcards, LOW_PRIORITY ) );
delete_oxm_matches( carol );
delete_oxm_matches( carol_wildcards );
}
static void
send_packet( uint32_t destination_port, packet_in packet_in, uint32_t in_port ) {
openflow_actions *actions = create_actions();
append_action_output( actions, destination_port, OFPCML_NO_BUFFER );
openflow_instructions *insts = create_instructions();
append_instructions_apply_actions( insts, actions );
oxm_matches *match = create_oxm_matches();
set_match_from_packet( match, in_port, NULL, packet_in.data );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
60,
0,
OFP_HIGH_PRIORITY,
packet_in.buffer_id,
0,
0,
OFPFF_SEND_FLOW_REM,
match,
insts
);
send_openflow_message( packet_in.datapath_id, flow_mod );
free_buffer( flow_mod );
delete_oxm_matches( match );
delete_instructions( insts );
if ( packet_in.buffer_id == OFP_NO_BUFFER ) {
buffer *frame = duplicate_buffer( packet_in.data );
fill_ether_padding( frame );
buffer *packet_out = create_packet_out(
get_transaction_id(),
packet_in.buffer_id,
in_port,
actions,
frame
);
send_openflow_message( packet_in.datapath_id, packet_out );
free_buffer( packet_out );
free_buffer( frame );
}
delete_actions( actions );
}
static void
delete_all_wildcards_entry() {
oxm_matches *alice_wildcards = create_oxm_matches();
set_alice_wildcards_entry( alice_wildcards );
XFREE( delete_match_strict_entry( alice_wildcards, DEFAULT_PRIORITY ) );
oxm_matches *bob_wildcards = create_oxm_matches();
set_bob_wildcards_entry( bob_wildcards );
XFREE( delete_match_strict_entry( bob_wildcards, DEFAULT_PRIORITY ) );
oxm_matches *carol_wildcards = create_oxm_matches();
set_carol_wildcards_entry( carol_wildcards );
XFREE( delete_match_strict_entry( carol_wildcards, DEFAULT_PRIORITY ) );
oxm_matches *any_wildcards = create_oxm_matches();
set_any_wildcards_entry( any_wildcards );
XFREE( delete_match_strict_entry( any_wildcards, LOW_PRIORITY ) );
oxm_matches *lldp_wildcards = create_oxm_matches();
set_lldp_wildcards_entry( lldp_wildcards );
XFREE( delete_match_strict_entry( lldp_wildcards, HIGH_PRIORITY ) );
delete_oxm_matches( alice_wildcards );
delete_oxm_matches( bob_wildcards );
delete_oxm_matches( carol_wildcards );
delete_oxm_matches( any_wildcards );
delete_oxm_matches( lldp_wildcards );
}
static void
test_map_entry_if_match_set_nw_src() {
add_all_exact_entry();
add_all_wildcards_entry();
oxm_matches *match = create_oxm_matches();
append_oxm_match_eth_type( match, ETHERTYPE_IP );
append_oxm_match_ipv4_src( match, 0x0a000101, 0 );
char *user_data = xstrdup( USER_DATA );
count = 0;
map_match_table( match, test_map_entry_if_match_set_nw_src_helper, user_data );
assert_int_equal( count, 2 );
XFREE( user_data );
delete_oxm_matches( match );
}
static void
dump_filter( void ) {
oxm_matches *match = create_oxm_matches();
static handler_data data;
data.match = match;
snprintf( data.service_name, sizeof( data.service_name ), "dumper" );
data.service_name[ sizeof( data.service_name ) - 1 ] = '\0';
data.strict = false;
bool ret = dump_packetin_filter( data.match, UINT16_MAX, data.service_name, data.strict,
dump_filters, &data );
if ( ret == false ) {
error( "Failed to dump packetin filters ( ret = %d ).", ret );
}
else {
add_periodic_event_callback( 5, timeout, &data );
}
}
static void
alloc_MATCH() {
uint8_t dst_mac[6] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
uint8_t src_mac[6] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
uint8_t nomask[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
MATCH = create_oxm_matches();
append_oxm_match_in_port( MATCH, 1 );
append_oxm_match_eth_dst( MATCH, dst_mac, nomask );
append_oxm_match_eth_src( MATCH, src_mac, nomask );
append_oxm_match_vlan_vid( MATCH, 1, 0 );
append_oxm_match_vlan_pcp( MATCH, 1 );
append_oxm_match_eth_type( MATCH, 0x0800 );
append_oxm_match_ip_proto( MATCH, 0x6 );
append_oxm_match_ipv4_src( MATCH, 0x0a090807, 0x00000000 );
append_oxm_match_ipv4_dst( MATCH, 0x0a090807, 0x00000000 );
append_oxm_match_tcp_src( MATCH, 1024 );
append_oxm_match_tcp_dst( MATCH, 2048 );
}
static void
handle_switch_ready( uint64_t datapath_id, void *user_data ) {
UNUSED( user_data );
openflow_actions *actions = create_actions();
append_action_output( actions, OFPP_CONTROLLER, OFPCML_NO_BUFFER );
openflow_instructions *insts = create_instructions();
append_instructions_apply_actions( insts, actions );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_LOW_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
NULL,
insts
);
send_openflow_message( datapath_id, flow_mod );
free_buffer( flow_mod );
delete_instructions( insts );
// sleep(2000);
info("sending ARP config to %d",datapath_id);
uint32_t dest = OFPP_ALL;
oxm_matches *match2 = create_oxm_matches();
append_oxm_match_eth_type( match2, 0x0806);
openflow_actions *actions2 = create_actions();
append_action_output( actions2, dest, OFPCML_NO_BUFFER );
openflow_instructions *insts2 = create_instructions();
append_instructions_apply_actions( insts2, actions2 );
buffer *flow_mod2 = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_HIGH_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
match2,
insts2
);
send_openflow_message( datapath_id, flow_mod2 );
free_buffer( flow_mod2 );
delete_oxm_matches( match2 );
delete_instructions( insts2 );
// sleep(2000);
info("sending second config: ipv4");
oxm_matches *match3 = create_oxm_matches();
append_oxm_match_eth_type( match3, 0x0800);
// append_oxm_match_in_port( match2, 2);
// dest = 1;
openflow_actions *actions3 = create_actions();
append_action_push_mpls(actions3,0x8847);
append_action_set_field_mpls_label(actions3,4120955);
append_action_output( actions3, dest, OFPCML_NO_BUFFER );
openflow_instructions *insts3 = create_instructions();
append_instructions_apply_actions( insts3, actions3 );
buffer *flow_mod3 = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_HIGH_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
match3,
insts3
);
send_openflow_message( datapath_id, flow_mod3 );
free_buffer( flow_mod3 );
delete_oxm_matches( match3 );
delete_instructions( insts3 );
info("done sending");
// sleep(2000);
info("sending third config");
oxm_matches *match4 = create_oxm_matches();
append_oxm_match_eth_type( match4, 0x8847);
append_oxm_match_mpls_label(match4, 4120955);
openflow_actions *actions4 = create_actions();
append_action_pop_mpls(actions4, 0x0800);
append_action_output( actions4, dest, OFPCML_NO_BUFFER );
openflow_instructions *insts4 = create_instructions();
append_instructions_apply_actions( insts4, actions4 );
buffer *flow_mod4 = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_HIGH_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
match4,
insts4
);
send_openflow_message( datapath_id, flow_mod4);
free_buffer( flow_mod4 );
delete_oxm_matches( match4 );
delete_instructions( insts4 );
info("done sending");
}
buffer *
pack_aggregate_multipart_request( VALUE options ) {
uint32_t xid = get_transaction_id();
VALUE r_xid = HASH_REF( options, transaction_id );
if ( !NIL_P( r_xid ) ) {
xid = NUM2UINT( r_xid );
}
uint16_t flags = 0;
VALUE r_flags = HASH_REF( options, flags );
if ( !NIL_P( r_flags ) ) {
flags = ( uint16_t ) NUM2UINT( r_flags );
}
uint8_t table_id = OFPTT_ALL;
VALUE r_table_id = HASH_REF( options, table_id );
if ( !NIL_P( r_table_id ) ) {
table_id = ( uint8_t ) NUM2UINT( r_table_id );
}
uint32_t out_port = OFPP_ANY;
VALUE r_out_port = HASH_REF( options, out_port );
if ( !NIL_P( r_out_port ) ) {
out_port = NUM2UINT( r_out_port );
}
uint32_t out_group = OFPG_ANY;
VALUE r_out_group = HASH_REF( options, out_group );
if ( !NIL_P( r_out_group ) ) {
out_group = NUM2UINT( r_out_group );
}
uint64_t cookie = 0;
VALUE r_cookie = HASH_REF( options, cookie );
if ( !NIL_P( r_cookie ) ) {
cookie = ( uint64_t ) NUM2ULL( r_cookie );
}
uint64_t cookie_mask = 0;
VALUE r_cookie_mask = HASH_REF( options, cookie_mask );
if ( !NIL_P( r_cookie_mask ) ) {
cookie_mask = ( uint64_t ) NUM2ULL( r_cookie_mask );
}
VALUE r_match = HASH_REF( options, match );
oxm_matches *oxm_match = NULL;
if ( !NIL_P( r_match ) ) {
oxm_match = create_oxm_matches();
r_match_to_oxm_match( r_match, oxm_match );
}
buffer *aggregate_multipart_request = create_aggregate_multipart_request( xid, flags, table_id,
out_port, out_group, cookie,
cookie_mask, oxm_match );
if ( oxm_match != NULL ) {
delete_oxm_matches( oxm_match );
}
return aggregate_multipart_request;
}
static void
handle_switch_ready( uint64_t datapath_id, void *user_data ) {
UNUSED( user_data );
openflow_actions *actions = create_actions();
append_action_output( actions, OFPP_CONTROLLER, OFPCML_NO_BUFFER );
openflow_instructions *insts = create_instructions();
append_instructions_apply_actions( insts, actions );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_LOW_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
NULL,
insts
);
send_openflow_message( datapath_id, flow_mod );
free_buffer( flow_mod );
delete_instructions( insts );
// sleep(2000);
info("sending ARP config: flood - %d",datapath_id);
uint32_t dest = OFPP_ALL;
oxm_matches *match2 = create_oxm_matches();
append_oxm_match_eth_type( match2, 0x0806);
openflow_actions *actions2 = create_actions();
append_action_output( actions2, dest, OFPCML_NO_BUFFER );
openflow_instructions *insts2 = create_instructions();
append_instructions_apply_actions( insts2, actions2 );
buffer *flow_mod2 = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_HIGH_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
match2,
insts2
);
send_openflow_message( datapath_id, flow_mod2 );
free_buffer( flow_mod2 );
delete_oxm_matches( match2 );
delete_instructions( insts2 );
// sleep(2000);
info("sending second config: match on eth src");
uint8_t eth_src[ OFP_ETH_ALEN ] = {0x0,0x24,0xe8,0x77,0xa5,0x32};
uint8_t set_src[ OFP_ETH_ALEN ] = {0x0,0x10,0x18,0x56,0xab,0xc2};
uint8_t eth_mask[ OFP_ETH_ALEN ] = {0xff,0xff,0xff,0xff,0xff,0xff};
oxm_matches *match3 = create_oxm_matches();
append_oxm_match_eth_type( match3, 0x0800);
append_oxm_match_eth_src( match3,eth_src,eth_mask);
// append_oxm_match_in_port( match2, 2);
// dest = 1;
openflow_actions *actions3 = create_actions();
append_action_set_field_eth_src( actions3, set_src );
append_action_push_mpls(actions3,0x8847);
append_action_set_field_mpls_label(actions3,412095);
append_action_output( actions3, 3, OFPCML_NO_BUFFER );
openflow_instructions *insts3 = create_instructions();
append_instructions_apply_actions( insts3, actions3 );
buffer *flow_mod3 = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_HIGH_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
match3,
insts3
);
send_openflow_message( datapath_id, flow_mod3 );
free_buffer( flow_mod3 );
delete_oxm_matches( match3 );
delete_instructions( insts3 );
info("done sending");
// sleep(2000);
info("sending config:match mpls label -> pop mpls, set dest eth");
oxm_matches *match4 = create_oxm_matches();
append_oxm_match_eth_type( match4, 0x8847);
append_oxm_match_mpls_label(match4, 412095);
uint8_t set_src2[ OFP_ETH_ALEN ] = {0x0,0x24,0xe8,0x77,0xa5,0x32};
openflow_actions *actions4 = create_actions();
append_action_pop_mpls(actions4, 0x0800);
append_action_output( actions4, 1, OFPCML_NO_BUFFER );
append_action_set_field_eth_src( actions4, set_src2 );
openflow_instructions *insts4 = create_instructions();
append_instructions_apply_actions( insts4, actions4 );
buffer *flow_mod4 = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_HIGH_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
match4,
insts4
);
send_openflow_message( 0x00101856ab98 , flow_mod4);
free_buffer( flow_mod4 );
delete_oxm_matches( match4 );
delete_instructions( insts4 );
info("sending second config: match on eth src");
uint8_t set_src3[ OFP_ETH_ALEN ] = {0x0,0x10,0x18,0x56,0xab,0xc2};
oxm_matches *match5 = create_oxm_matches();
append_oxm_match_eth_type( match5, 0x0800);
// append_oxm_match_eth_src( match3,eth_src,eth_mask);
// append_oxm_match_in_port( match2, 2);
// dest = 1;
openflow_actions *actions5 = create_actions();
append_action_set_field_eth_src( actions5, set_src3 );
append_action_push_mpls(actions5,0x8847);
append_action_set_field_mpls_label(actions5,442095);
append_action_output( actions5, 3, OFPCML_NO_BUFFER );
openflow_instructions *insts5 = create_instructions();
append_instructions_apply_actions( insts5, actions5 );
buffer *flow_mod5 = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_HIGH_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
match5,
insts5
);
send_openflow_message( datapath_id, flow_mod5 );
free_buffer( flow_mod5 );
delete_oxm_matches( match5 );
delete_instructions( insts5 );
info("done sending");
}
