static void
test_delete_entry() {
table = create_hash( compare_string, hash_string );
insert_hash_entry( table, alpha, alpha );
insert_hash_entry( table, bravo, bravo );
insert_hash_entry( table, charlie, charlie );
delete_hash_entry( table, bravo );
assert_string_equal( lookup_hash_entry( table, alpha ), "alpha" );
assert_true( lookup_hash_entry( table, bravo ) == NULL );
assert_string_equal( lookup_hash_entry( table, charlie ), "charlie" );
delete_hash( table );
}
static bool
add_transaction( uint64_t datapath_id, uint32_t vni, int operation,
overlay_operation_completed_handler callback, void *user_data ) {
debug( "Adding a transaction record ( datapath_id = %#" PRIx64 ", vni = %#x, operation = %#x, callback = %p, user_data = %p ).",
datapath_id, vni, operation, callback, user_data );
if ( !valid_vni( vni ) ) {
return false;
}
transaction_entry *entry = xmalloc( sizeof( transaction_entry ) );
memset( entry, 0, sizeof( transaction_entry ) );
entry->datapath_id = datapath_id;
entry->vni = vni;
entry->operation = operation;
entry->port_wait_count = 0;
entry->n_ongoing_http_requests = 0;
entry->n_failed_http_requests = 0;
entry->callback = callback;
entry->user_data = user_data;
entry = insert_hash_entry( transactions, entry, entry );
if ( entry != NULL ) {
warn( "Duplicated transaction record found ( datapath_id = %#" PRIx64 ", vni = %#x, operation = %#x, callback = %p, user_data = %p ).",
datapath_id, vni, operation, callback, user_data );
xfree( entry );
}
debug( "A transaction record is added ( datapath_id = %#" PRIx64 ", vni = %#x, operation = %#x, callback = %p, user_data = %p ).",
datapath_id, vni, operation, callback, user_data );
return true;
}
static void
handle_desc_stats_reply( uint64_t datapath_id, uint32_t transaction_id,
uint16_t type, uint16_t flags, const buffer *data,
void *user_data ) {
UNUSED( transaction_id );
UNUSED( type );
UNUSED( flags );
show_desc *show_desc = user_data;
if ( data->length < SIZE_OF_OFP_DESC ) {
error( "invalid data" );
stop_trema();
return;
}
desc_entry *entry = xmalloc( sizeof( desc_entry ) );
entry->datapath_id = datapath_id;
#ifdef TREMA_EDGE
create_list( &entry->port_desc );
#endif
memcpy( &entry->desc_stats, data->data, SIZE_OF_OFP_DESC );
insert_hash_entry( show_desc->db, &entry->datapath_id, entry );
#ifdef TREMA_EDGE
buffer *port_desc_request = create_port_desc_multipart_request( get_transaction_id(), 0 );
send_openflow_message( datapath_id, port_desc_request );
free_buffer( port_desc_request );
#else
buffer *features_request = create_features_request( get_transaction_id() );
send_openflow_message( datapath_id, features_request );
free_buffer( features_request );
#endif
}
uint32_t
insert_xid_entry( uint32_t original_xid, char *service_name ) {
xid_entry_t *new_entry;
debug( "Inserting xid entry ( original_xid = %#lx, service_name = %s ).",
original_xid, service_name );
if ( xid_table.next_index >= XID_MAX_ENTRIES ) {
xid_table.next_index = 0;
}
if ( xid_table.entries[ xid_table.next_index ] != NULL ) {
delete_xid_entry( xid_table.entries[ xid_table.next_index ] );
}
new_entry = allocate_xid_entry( original_xid, service_name, xid_table.next_index );
xid_entry_t *old = insert_hash_entry( xid_table.hash, &new_entry->xid, new_entry );
if ( old != NULL ) {
xid_table.entries[ old->index ] = NULL;
free_xid_entry( old );
}
xid_table.entries[ xid_table.next_index ] = new_entry;
xid_table.next_index++;
return new_entry->xid;
}
/**
* Adds a parameter to the Statistics database/table, stats of which are to be tracked.
* @param key Identifier for the parameter of which stats are required
* @return bool True if the entry was successfully added, else False in case entry already exists
*/
bool
add_stat_entry( const char *key ) {
assert( key != NULL );
pthread_mutex_lock( &stats_table_mutex );
stat_entry *entry = lookup_hash_entry( stats, key );
if ( entry != NULL ) {
error( "Statistic entry for %s already exists.", key );
pthread_mutex_unlock( &stats_table_mutex );
return false;
}
entry = xmalloc( sizeof( stat_entry ) );
entry->value = 0;
strncpy( entry->key, key, STAT_KEY_LENGTH );
entry->key[ STAT_KEY_LENGTH - 1 ] = '\0';
insert_hash_entry( stats, entry->key, entry );
pthread_mutex_unlock( &stats_table_mutex );
return true;
}
static void
test_insert_twice_overwrites_old_value() {
char *prev;
char key[] = "key";
table = create_hash( compare_string, hash_string );
char old_value[] = "old value";
char new_value[] = "new value";
insert_hash_entry( table, key, old_value );
prev = insert_hash_entry( table, key, new_value );
assert_string_equal( lookup_hash_entry( table, key ), "new value" );
assert_string_equal( prev, "old value" );
delete_hash( table );
}
static void
test_map() {
table = create_hash( compare_string, hash_string );
char key[] = "key";
insert_hash_entry( table, key, alpha );
insert_hash_entry( table, key, bravo );
insert_hash_entry( table, key, charlie );
map_hash( table, key, append_back, NULL );
assert_string_equal( abc0[ 0 ], "charlie" );
assert_string_equal( abc0[ 1 ], "bravo" );
assert_string_equal( abc0[ 2 ], "alpha" );
delete_hash( table );
}
static void
test_foreach() {
table = create_hash( compare_string, hash_string );
insert_hash_entry( table, alpha, alpha );
insert_hash_entry( table, bravo, bravo );
insert_hash_entry( table, charlie, charlie );
delete_hash_entry( table, bravo );
delete_hash_entry( table, charlie );
foreach_hash( table, append_back_foreach, NULL );
assert_string_equal( abc[ 0 ], "alpha" );
assert_true( abc[ 1 ] == NULL );
assert_true( abc[ 2 ] == NULL );
delete_hash( table );
}
static void
test_iterator() {
table = create_hash( compare_string, hash_string );
char one[] = "one";
insert_hash_entry( table, one, ( void * ) 1 );
char two[] = "two";
insert_hash_entry( table, two, ( void * ) 2 );
char three[] = "three";
insert_hash_entry( table, three, ( void * ) 3 );
char four[] = "four";
insert_hash_entry( table, four, ( void * ) 4 );
char five[] = "five";
insert_hash_entry( table, five, ( void * ) 5 );
char six[] = "six";
insert_hash_entry( table, six, ( void * ) 6 );
char seven[] = "seven";
insert_hash_entry( table, seven, ( void * ) 7 );
char eight[] = "eight";
insert_hash_entry( table, eight, ( void * ) 8 );
char nine[] = "nine";
insert_hash_entry( table, nine, ( void * ) 9 );
char ten[] = "ten";
insert_hash_entry( table, ten, ( void * ) 10 );
int sum = 0;
hash_iterator iter;
hash_entry *e;
init_hash_iterator( table, &iter );
while ( ( e = iterate_hash_next( &iter ) ) != NULL ) {
sum += ( int ) ( uintptr_t ) e->value;
delete_hash_entry( table, e->key );
}
assert_true( sum == 55 );
delete_hash( table );
}
static void
test_insert_and_lookup() {
table = create_hash( compare_string, hash_string );
insert_hash_entry( table, alpha, alpha );
assert_string_equal( lookup_hash_entry( table, alpha ), "alpha" );
delete_hash( table );
}
static bool
add_transaction_entry( transaction_entry *entry ) {
debug( "Adding a transaction entry ( entry = %p, transaction_db = %p ).", entry, transaction_db );
assert( entry != NULL );
assert( transaction_db != NULL );
assert( transaction_db->xid != NULL );
assert( transaction_db->barrier_xid != NULL );
bool ret = get_monotonic_time( &entry->expires_at );
if ( !ret ) {
return false;
}
ADD_TIMESPEC( &entry->expires_at, &TRANSACTION_TIMEOUT, &entry->expires_at );
dump_transaction_entry( debug, entry );
if ( lookup_transaction_entry_by_xid( entry->xid ) == NULL ) {
void *duplicated = insert_hash_entry( transaction_db->xid, &entry->xid, entry );
assert( duplicated == NULL );
}
else {
error( "Duplicated transaction entry found ( entry = %p, xid = %#x ).", entry, entry->xid );
dump_transaction_entry( error, entry );
return false;
}
if ( lookup_transaction_entry_by_barrier_xid( entry->barrier_xid ) == NULL ) {
void *duplicated = insert_hash_entry( transaction_db->barrier_xid, &entry->barrier_xid, entry );
assert( duplicated == NULL );
}
else {
error( "Duplicated transaction entry found ( entry = %p, barrier_xid = %#x ).", entry, entry->barrier_xid );
dump_transaction_entry( error, entry );
delete_transaction_entry_by_xid( entry->xid );
return false;
}
debug( "A transaction is added." );
dump_transaction_entry( debug, entry );
return true;
}
void
insert_datapath_entry( hash_table *db, uint64_t datapath_id, void *user_data, void delete_user_data( void *user_data ) ) {
datapath_entry *entry = allocate_datapath_entry( datapath_id, user_data, delete_user_data );
debug( "insert datapath: %#" PRIx64 " ( entry = %p )", datapath_id, entry );
datapath_entry *old_datapath_entry = insert_hash_entry( db, &entry->id, entry );
if ( old_datapath_entry != NULL ) {
warn( "duplicated datapath ( datapath_id = %#" PRIx64 ", entry = %p )", datapath_id, old_datapath_entry );
free_datapath_entry( old_datapath_entry );
}
}
static void
test_insert_and_lookup_by_atom_hash() {
key mykey = { "alpha" };
table = create_hash( compare_atom, hash_atom );
insert_hash_entry( table, &mykey, alpha );
assert_string_equal( lookup_hash_entry( table, &mykey ), "alpha" );
delete_hash( table );
}
static void
handle_switch_ready( uint64_t datapath_id, void *switch_db ) {
known_switch *sw = lookup_hash_entry( switch_db, &datapath_id );
if ( sw == NULL ) {
sw = new_switch( datapath_id );
insert_hash_entry( switch_db, &sw->datapath_id, sw );
}
else {
refresh( sw );
}
}
static void
learn( hash_table *forwarding_db, uint16_t port_no, uint8_t *mac ) {
forwarding_entry *entry = lookup_hash_entry( forwarding_db, mac );
if ( entry == NULL ) {
entry = xmalloc( sizeof( forwarding_entry ) );
memcpy( entry->mac, mac, sizeof( entry->mac ) );
insert_hash_entry( forwarding_db, entry->mac, entry );
}
entry->port_no = port_no;
entry->last_update = now();
}
void
learn_fdb( hash_table *db, uint8_t *mac, uint16_t port_number ) {
fdb *entry = lookup_hash_entry( db, mac );
if ( entry == NULL ) {
entry = xmalloc( sizeof( fdb ) );
memcpy( entry->mac, mac, ETH_ADDRLEN );
entry->port_number = port_number;
insert_hash_entry( db, entry->mac, entry );
}
else {
entry->port_number = port_number;
}
}
all_sw_tx*
_insert_tx( size_t n_dpids, struct event_forward_operation_to_all_request_param *param ) {
all_sw_tx *tx = xcalloc( 1, sizeof(all_sw_tx) );
tx->txid = get_txid();
tx->request_param = param;
tx->tx_result = EFI_OPERATION_SUCCEEDED;
tx->waiting_dpid = create_hash_with_size( compare_datapath_id,
hash_datapath_id,
( unsigned ) n_dpids );
void *dupe_tx = insert_hash_entry( efi_tx_table, &tx->txid, tx );
assert( dupe_tx == NULL );
return tx;
}
void
add_counter( hash_table *db, uint8_t *mac, uint64_t packet_count, uint64_t byte_count ) {
counter *entry = lookup_hash_entry( db, mac );
if ( entry == NULL ) {
entry = xmalloc( sizeof( counter ) );
memcpy( entry->mac, mac, ETH_ADDRLEN );
entry->packet_count = 0;
entry->byte_count = 0;
insert_hash_entry( db, entry->mac, entry );
}
entry->packet_count += packet_count;
entry->byte_count += byte_count;
}
static void
learn( hash_table *forwarding_db, struct key new_key, uint16_t port_no ) {
forwarding_entry *entry = lookup_hash_entry( forwarding_db, &new_key );
if ( entry == NULL ) {
entry = xmalloc( sizeof( forwarding_entry ) );
memcpy( entry->key.mac, new_key.mac, OFP_ETH_ALEN );
entry->key.datapath_id = new_key.datapath_id;
insert_hash_entry( forwarding_db, &entry->key, entry );
}
entry->port_no = port_no;
entry->last_update = now();
}
bool
update_fdb( hash_table *fdb, const uint8_t mac[ OFP_ETH_ALEN ], uint64_t dpid, uint16_t port ) {
assert( fdb != NULL );
assert( mac != NULL );
assert( port != 0 );
fdb_entry *entry = lookup_hash_entry( fdb, mac );
debug( "Updating fdb ( mac = %02x:%02x:%02x:%02x:%02x:%02x, dpid = %#" PRIx64 ", port = %u ).",
mac[ 0 ], mac[ 1 ], mac[ 2 ], mac[ 3 ], mac[ 4 ], mac[ 5 ], dpid, port );
if ( entry != NULL ) {
if ( ( entry->dpid == dpid ) && ( entry->port == port ) ) {
entry->updated_at = time( NULL );
return true;
}
if ( entry->created_at + HOST_MOVE_GUARD_SEC < time( NULL ) ) {
// Poisoning when the terminal moves
poison( entry->dpid, mac );
entry->dpid = dpid;
entry->port = port;
entry->created_at = time( NULL );
entry->updated_at = entry->created_at;
return true;
}
warn( "Failed to update fdb because host move detected in %d sec "
"( mac = %02x:%02x:%02x:%02x:%02x:%02x, "
"dpid = %#" PRIx64 " -> %#" PRIx64 ", port = %u -> %u ).",
HOST_MOVE_GUARD_SEC,
mac[ 0 ], mac[ 1 ], mac[ 2 ], mac[ 3 ], mac[ 4 ], mac[ 5 ],
entry->dpid, dpid, entry->port, port );
return false;
}
entry = xmalloc( sizeof( fdb_entry ) );
entry->dpid = dpid;
memcpy( entry->mac, mac, OFP_ETH_ALEN );
entry->port = port;
entry->created_at = time( NULL );
entry->updated_at = entry->created_at;
insert_hash_entry( fdb, entry->mac, entry );
return true;
}
static void
test_multiple_inserts_and_deletes_then_iterate() {
table = create_hash( compare_string, hash_string );
char one[] = "one";
insert_hash_entry( table, one, ( void * ) 1 );
delete_hash_entry( table, one );
insert_hash_entry( table, one, ( void * ) 1 );
delete_hash_entry( table, one );
insert_hash_entry( table, one, ( void * ) 1 );
int sum = 0;
hash_iterator iter;
hash_entry *e;
init_hash_iterator( table, &iter );
while ( ( e = iterate_hash_next( &iter ) ) != NULL ) {
sum += ( int ) ( uintptr_t ) e->value;
delete_hash_entry( table, e->key );
}
assert_true( sum == 1 );
delete_hash( table );
}
void
insert_dpid_entry( uint64_t *dpid ) {
assert( dpid_table != NULL );
assert( dpid != NULL );
if ( lookup_hash_entry( dpid_table, dpid ) != NULL ) {
warn( "datapath %#" PRIx64 " is already registered.", *dpid );
return;
}
uint64_t *new_entry = xmalloc( sizeof ( uint64_t ) );
*new_entry = *dpid;
insert_hash_entry( dpid_table, new_entry, new_entry );
}
void
insert_match_entry( struct ofp_match *ofp_match, uint16_t priority, const char *service_name, const char *entry_name ) {
match_entry *new_entry, *entry;
list_element *list;
pthread_mutex_lock( match_table_head.mutex );
new_entry = allocate_match_entry( ofp_match, priority, service_name, entry_name );
if ( !ofp_match->wildcards ) {
entry = lookup_hash_entry( match_table_head.exact_table, ofp_match );
if ( entry != NULL ) {
warn( "insert entry exits" );
free_match_entry( new_entry );
pthread_mutex_unlock( match_table_head.mutex );
return;
}
insert_hash_entry( match_table_head.exact_table, &new_entry->ofp_match, new_entry );
pthread_mutex_unlock( match_table_head.mutex );
return;
}
// wildcard flags are set
for ( list = match_table_head.wildcard_table; list != NULL; list = list->next ) {
entry = list->data;
if ( entry->priority <= new_entry->priority ) {
break;
}
}
if ( list == NULL ) {
// wildcard_table is null or tail
append_to_tail( &match_table_head.wildcard_table, new_entry );
pthread_mutex_unlock( match_table_head.mutex );
return;
}
if ( list == match_table_head.wildcard_table ) {
// head
insert_in_front( &match_table_head.wildcard_table, new_entry );
pthread_mutex_unlock( match_table_head.mutex );
return;
}
// insert brefore
insert_before( &match_table_head.wildcard_table, list->data, new_entry );
pthread_mutex_unlock( match_table_head.mutex );
}
static bool
insert_exact_match_entry( hash_table *exact_table, struct ofp_match *match, void *data ) {
assert( exact_table != NULL );
assert( match != NULL );
match_entry *entry = lookup_hash_entry( exact_table, match );
if ( entry != NULL ) {
char match_string[ MATCH_STRING_LENGTH ];
match_to_string( match, match_string, sizeof( match_string ) );
warn( "exact match entry already exists ( match = [%s] )", match_string );
return false;
}
match_entry *new_entry = allocate_match_entry( match, 0 /* dummy priority */, data );
match_entry *conflict_entry = insert_hash_entry( exact_table, &new_entry->match, new_entry );
assert( conflict_entry == NULL );
return true;
}
void
print_with_graph_easy_format( void *param, size_t entries, const topology_link_status *s ) {
size_t i;
UNUSED( param );
debug( "topology: entries %d", entries );
hash_table *link_hash = create_hash( compare_link, hash_link );
// show_topology graph-easy | graph-easy
// Graph-Easy:
// http://search.cpan.org/~shlomif/Graph-Easy/bin/graph-easy
printf("#! /usr/bin/env graph-easy\n" );
for ( i = 0; i < entries; i++ ) {
if ( s[ i ].status != TD_LINK_UP ) {
continue;
}
topology_link_status r;
r.from_dpid = s[ i ].to_dpid;
r.from_portno = s[ i ].to_portno;
r.to_dpid = s[ i ].from_dpid;
r.to_portno = s[ i ].from_portno;
topology_link_status *e = lookup_hash_entry( link_hash, &r );
if ( e != NULL ) {
delete_hash_entry( link_hash, e );
print_link_status( e, true );
} else {
insert_hash_entry( link_hash, ( void * ) ( intptr_t ) &s[ i ], ( void *) ( intptr_t ) &s[ i ] );
}
}
hash_iterator iter;
init_hash_iterator( link_hash, &iter );
hash_entry *e;
while ( ( e = iterate_hash_next( &iter ) ) != NULL ) {
topology_link_status *le = e->value;
print_link_status( le, false );
}
delete_hash( link_hash );
stop_trema();
}
switch_port *
add_switch_port( const char *interface, uint32_t port_no,
const size_t max_send_queue, const size_t max_recv_queue ) {
assert( interface != NULL );
assert( switch_ports != NULL );
switch_port *port = ( switch_port * ) xmalloc( sizeof( switch_port ) );
memset( port, 0, sizeof( switch_port ) );
port->port_no = port_no;
port->device = create_ether_device( interface, max_send_queue, max_recv_queue );
if ( port->device == NULL ) {
xfree( port );
return NULL;
}
insert_hash_entry( switch_ports, &port->port_no, port );
return port;
}
static void grow_hash_table(struct hash_table *table)
{
unsigned int i;
unsigned int old_size = table->size, new_size;
struct hash_table_entry *old_array = table->array, *new_array;
new_size = alloc_nr(old_size);
new_array = xzmalloc(sizeof(struct hash_table_entry) * new_size);
table->size = new_size;
table->array = new_array;
table->nr = 0;
for (i = 0; i < old_size; i++) {
unsigned int hash = old_array[i].hash;
void *ptr = old_array[i].ptr;
if (ptr)
insert_hash_entry(hash, ptr, table);
}
if (old_array)
xfree(old_array);
}
static void
add_host( const uint8_t *mac, const uint32_t ip, const uint64_t dpid, const uint16_t port ) {
host_entry *entry;
struct in_addr addr;
addr.s_addr = htonl( ip );
entry = lookup_host( ip );
if ( entry != NULL ) {
debug( "Updating a host entry (mac = %02x:%02x:%02x:%02x:%02x:%02x, "
"ip = %s, dpid = %#" PRIx64 ", port = %u).",
mac[ 0 ], mac[ 1 ], mac[ 2 ], mac[ 3 ], mac[ 4 ], mac[ 5 ],
inet_ntoa( addr ), dpid, port );
memcpy( entry->mac, mac, ETH_ADDRLEN );
entry->dpid = dpid;
entry->port = port;
entry->updated_at = time( NULL );
return;
}
debug( "Adding a host entry (mac = %02x:%02x:%02x:%02x:%02x:%02x, "
"ip = %s, dpid = %#" PRIx64 ", port = %u).",
mac[ 0 ], mac[ 1 ], mac[ 2 ], mac[ 3 ], mac[ 4 ], mac[ 5 ],
inet_ntoa( addr ), dpid, port );
entry = xmalloc( sizeof( host_entry ) );
memcpy( entry->mac, mac, ETH_ADDRLEN );
entry->ip = ip;
entry->dpid = dpid;
entry->port = port;
entry->updated_at = time( NULL );
insert_hash_entry( host_db, &entry->ip, entry );
add_host_route( entry->ip );
}
static bool
add_http_transaction( http_transaction *transaction, CURL *handle ) {
debug( "Adding a HTTP transaction to database ( transaction = %p, handle = %p ).",
transaction, handle );
assert( transaction != NULL );
assert( handle != NULL );
transaction->handle = handle;
assert( curl_handle != NULL );
CURLMcode ret = curl_multi_add_handle( curl_handle, transaction->handle );
if ( ret != CURLM_OK && ret != CURLM_CALL_MULTI_PERFORM ) {
error( "Failed to add an easy handle to a multi handle ( curl_handle = %p, handle = %p, error = %s ).",
curl_handle, transaction->handle, curl_multi_strerror( ret ) );
return false;
}
ret = curl_multi_perform( curl_handle, &curl_running );
if ( ret != CURLM_OK && ret != CURLM_CALL_MULTI_PERFORM ) {
error( "Failed to run a multi handle ( curl_handle = %p, error = %s ).", curl_handle, curl_multi_strerror( ret ) );
ret = curl_multi_remove_handle( curl_handle, transaction->handle );
if ( ret != CURLM_OK && ret != CURLM_CALL_MULTI_PERFORM ) {
error( "Failed to remove an easy handle from a multi handle ( curl_handle = %p, handle = %p, error = %s ).",
curl_handle, transaction->handle, curl_multi_strerror( ret ) );
}
return false;
}
assert( transactions != NULL );
void *duplicated = insert_hash_entry( transactions, transaction->handle, transaction );
if ( duplicated != NULL ) {
// FIXME: handle duplication properly
warn( "Duplicated HTTP transaction found ( %p ).", duplicated );
free_http_transaction( duplicated );
}
debug( "A HTTP transaction is added into database ( transaction = %p, handle = %p ).", transaction, handle );
return true;
}
void
_dispatch_to_all_switch( uint64_t *dpids, size_t n_dpids, void *user_data ) {
struct event_forward_operation_to_all_request_param *param = user_data;
all_sw_tx *tx = _insert_tx( n_dpids, param );
info( "txid %#x Start dispatching to switches", tx->txid );
debug( "dispatching to %zd switches", n_dpids );
// copy dpid hash to transaction.
for ( size_t i = 0 ; i < n_dpids ; ++i ) {
uint64_t *dpid = xmalloc( sizeof( uint64_t ) );
*dpid = dpids[i];
uint64_t *dupe_dpid = insert_hash_entry( tx->waiting_dpid, dpid, dpid );
if ( dupe_dpid == NULL ) {
struct txinfo *txinfo = xcalloc( 1, sizeof( struct txinfo ) );
txinfo->dpid = *dpid;
txinfo->txid = tx->txid;
bool send_ok;
if ( param->add ) {
send_ok = add_switch_event_forward_entry( *dpid, param->type, param->service_name, _switch_response_handler, txinfo );
}
else {
send_ok = delete_switch_event_forward_entry( *dpid, param->type, param->service_name, _switch_response_handler, txinfo );
}
if ( !send_ok ) {
tx->tx_result = EFI_OPERATION_FAILED;
warn( "txid %#x Failed to send request to switch %#" PRIx64 ".", tx->txid, *dpid );
xfree( delete_hash_entry( tx->waiting_dpid, dpid ) );
dpid = NULL;
xfree( txinfo );
continue;
}
struct itimerspec interval;
interval.it_interval.tv_sec = 0;
interval.it_interval.tv_nsec = 0;
interval.it_value.tv_sec = 5; // FIXME make this configurable?
interval.it_value.tv_nsec = 0;
bool set_ok = add_timer_event_callback( &interval, _switch_response_timeout, txinfo );
if ( !set_ok ) {
tx->tx_result = EFI_OPERATION_FAILED;
warn( "txid %#x Failed to set timeout timer for switch %#" PRIx64 ".", tx->txid, *dpid );
xfree( delete_hash_entry( tx->waiting_dpid, dpid ) );
dpid = NULL;
// txinfo will be freed by _switch_response_handler
continue;
}
}
else {
warn( "Duplicate dpid returned %#." PRIx64, *dupe_dpid );
xfree( dupe_dpid );
}
}
if ( n_dpids == 0 || tx->tx_result == EFI_OPERATION_FAILED ) {
if ( n_dpids == 0 ) {
info( "txid %#x completed. No switches found.", tx->txid );
}
else if ( tx->tx_result == EFI_OPERATION_FAILED ) {
info( "txid %#x completed with failure.", tx->txid );
}
if ( param->callback != NULL ) {
param->callback( tx->tx_result, param->user_data );
}
// remove and cleanup tx
delete_hash_entry( efi_tx_table, &tx->txid );
xfree_all_sw_tx( tx );
}
}