static void
handle_packet_in( uint64_t datapath_id, uint32_t transaction_id,
uint32_t buffer_id, uint16_t total_len,
uint16_t in_port, uint8_t reason, const buffer *data,
void *user_data ) {
services *services = user_data;
list_element **list_head = &services->arp_or_unicast;
packet_info *packet_info = data->user_data;
if ( !packet_type_arp( data ) && ( packet_info->eth_macda[ 0 ] & 0x1 ) == 0x1 ) {
list_head = &services->broadcast;
}
if ( *list_head == NULL ) {
return;
}
buffer *buf = create_packet_in( transaction_id, buffer_id, total_len, in_port,
reason, data );
openflow_service_header_t *message;
message = append_front_buffer( buf, sizeof( openflow_service_header_t ) );
message->datapath_id = htonll( datapath_id );
message->service_name_length = htons( 0 );
char *service_name = ( *list_head )->data;
if ( send_message( service_name, MESSENGER_OPENFLOW_MESSAGE, buf->data, buf->length ) ) {
debug( "Sending a message to %s.", service_name );
}
free_buffer( buf );
if ( ( *list_head )->next != NULL ) {
//round robin
delete_element( list_head, service_name );
append_to_tail( list_head, service_name );
}
}
static void
handle_packet_in( uint64_t datapath_id, uint32_t transaction_id,
uint32_t buffer_id, uint16_t total_len,
uint16_t in_port, uint8_t reason, const buffer *data,
void *user_data ) {
UNUSED( user_data );
char match_str[ 1024 ];
struct ofp_match ofp_match; // host order
buffer *copy = NULL;
packet_info *packet_info = data->user_data;
debug( "Receive packet. ethertype=0x%04x, ipproto=0x%x", packet_info->eth_type, packet_info->ipv4_protocol );
if ( packet_type_ipv4_etherip( data ) ) {
copy = parse_etherip( data );
}
set_match_from_packet( &ofp_match, in_port, 0, copy != NULL ? copy : data );
if ( copy != NULL ) {
free_buffer( copy );
copy = NULL;
}
match_to_string( &ofp_match, match_str, sizeof( match_str ) );
list_element *services = lookup_match_entry( ofp_match );
if ( services == NULL ) {
debug( "match entry not found" );
return;
}
buffer *buf = create_packet_in( transaction_id, buffer_id, total_len, in_port,
reason, data );
openflow_service_header_t *message;
message = append_front_buffer( buf, sizeof( openflow_service_header_t ) );
message->datapath_id = htonll( datapath_id );
message->service_name_length = htons( 0 );
list_element *element;
for ( element = services; element != NULL; element = element->next ) {
const char *service_name = element->data;
if ( !send_message( service_name, MESSENGER_OPENFLOW_MESSAGE,
buf->data, buf->length ) ) {
error( "Failed to send a message to %s ( match = %s ).", service_name, match_str );
free_buffer( buf );
return;
}
debug( "Sending a message to %s ( match = %s ).", service_name, match_str );
}
free_buffer( buf );
}
static void
handle_packet_in( uint64_t datapath_id, uint32_t transaction_id,
uint32_t buffer_id, uint16_t total_len,
uint16_t in_port, uint8_t reason, const buffer *data,
void *user_data ) {
UNUSED( user_data );
char match_str[ 1024 ];
struct ofp_match ofp_match; // host order
set_match_from_packet( &ofp_match, in_port, 0, data );
match_to_string( &ofp_match, match_str, sizeof( match_str ) );
match_entry *match_entry = lookup_match_entry( &ofp_match );
if ( match_entry == NULL ) {
debug( "No match entry found." );
return;
}
buffer *buf = create_packet_in( transaction_id, buffer_id, total_len, in_port,
reason, data );
openflow_service_header_t *message;
message = append_front_buffer( buf, sizeof( openflow_service_header_t ) );
message->datapath_id = htonll( datapath_id );
message->service_name_length = htons( 0 );
if ( !send_message( match_entry->service_name, MESSENGER_OPENFLOW_MESSAGE,
buf->data, buf->length ) ) {
error( "Failed to send a message to %s ( entry_name = %s, match = %s ).",
match_entry->service_name, match_entry->entry_name, match_str );
free_buffer( buf );
return;
}
debug( "Sending a message to %s ( entry_name = %s, match = %s ).",
match_entry->service_name, match_entry->entry_name, match_str );
free_buffer( buf );
}