void wallet_db::remove_transaction( const transaction_id_type& record_id )
{
const auto rec = lookup_transaction( record_id );
if( !rec.valid() ) return;
remove_item( rec->wallet_record_index );
transactions.erase( record_id );
}
void WalletDb::remove_transaction( const TransactionIdType& entry_id )
{
const auto rec = lookup_transaction( entry_id );
if( !rec.valid() ) return;
remove_item( rec->wallet_entry_index );
transactions.erase( entry_id );
}
void WalletDb::store_transaction( const TransactionData& transaction )
{ try {
FC_ASSERT( is_open() ,"Wallet not open!");
FC_ASSERT( transaction.entry_id != TransactionIdType() );
FC_ASSERT( transaction.is_virtual || transaction.trx.id() != SignedTransaction().id() );
oWalletTransactionEntry transaction_entry = lookup_transaction( transaction.entry_id );
if( !transaction_entry.valid() )
transaction_entry = WalletTransactionEntry();
TransactionData& temp = *transaction_entry;
temp = transaction;
store_and_reload_entry( *transaction_entry );
} FC_CAPTURE_AND_RETHROW( (transaction) ) }
void wallet_db::store_transaction( const transaction_data& transaction )
{ try {
FC_ASSERT( is_open() );
FC_ASSERT( transaction.record_id != transaction_id_type() );
FC_ASSERT( transaction.is_virtual || transaction.trx.id() != signed_transaction().id() );
owallet_transaction_record transaction_record = lookup_transaction( transaction.record_id );
if( !transaction_record.valid() )
transaction_record = wallet_transaction_record();
transaction_data& temp = *transaction_record;
temp = transaction;
store_and_reload_record( *transaction_record );
} FC_CAPTURE_AND_RETHROW( (transaction) ) }
int
detach_from_network( uint64_t datapath_id, uint32_t vni,
overlay_operation_completed_handler callback, void *user_data ) {
debug( "Detaching a switch %#" PRIx64 " from an overlay network ( vni = %#x, callback = %p, user_data = %p ).",
datapath_id, vni, callback, user_data );
char *local_address = NULL;
char *broadcast_address = NULL;
uint16_t local_port = 0;
uint16_t broadcast_port = 0;
if ( !valid_vni( vni ) ) {
return OVERLAY_NETWORK_OPERATION_FAILED;
}
transaction_entry *entry = lookup_transaction( datapath_id, vni );
if ( entry != NULL ) {
if ( entry->datapath_id == datapath_id && entry->vni == vni &&
entry->operation == OPERATION_DETACH ) {
debug( "Same operation is in progress ( datapath_id = %#" PRIx64 ", vni = %#x, operation = %#x ).",
entry->datapath_id, entry->vni, entry->operation );
return OVERLAY_NETWORK_OPERATION_IN_PROGRESS;
}
error( "Another operation is in progress ( datapath_id = %#" PRIx64 ", vni = %#x, operation = %#x ).",
entry->datapath_id, entry->vni, entry->operation );
return OVERLAY_NETWORK_OPERATION_FAILED;
}
bool ret = add_transaction( datapath_id, vni, OPERATION_DETACH, callback, user_data );
if ( !ret ) {
error( "Failed to add a transaction for detaching from a network "
"( datapath_id = %" PRIx64 ", vni = %#x, callback = %p, user_data = %p ).",
datapath_id, vni, callback, user_data );
return OVERLAY_NETWORK_OPERATION_FAILED;
}
ret = get_overlay_info( vni, datapath_id, &local_address, &local_port, &broadcast_address, &broadcast_port );
if ( !ret ) {
error( "Failed to retrieve overlay network information ( datapath_id = %#" PRIx64 ", vni = %#x ).",
datapath_id, vni );
goto error;
}
entry = lookup_transaction( datapath_id, vni );
if ( entry == NULL ) {
error( "Failed to retrieve transaction entry ( datapath_id = %#" PRIx64 ", vni = %#x ).",
datapath_id, vni );
goto error;
}
ret = delete_tunnel_from_tep( entry, vni, datapath_id );
if ( !ret ) {
if ( entry->n_ongoing_http_requests == 0 ) {
error( "Failed to delete a tunnel." );
goto error;
}
error( "Failed to delete a tunnel, but http request to delete a tunnel is ongoing." );
}
if ( !valid_multicast_address( broadcast_address ) ) {
if ( ret ) {
ret = delete_tep_from_packet_reflectors( entry, vni, local_address );
if ( !ret ) {
if ( entry->n_ongoing_http_requests == 0 ) {
error( "Failed to delete TEP from all Packet Reflectors." );
goto error;
}
error( "Failed to delete TEP from some Packet Reflectors." );
}
}
}
xfree( broadcast_address );
xfree( local_address );
debug( "A HTTP request is sent to HTTP client thread ( datapath_id = %" PRIx64 ", vni = %#x, callback = %p, user_data = %p ).",
datapath_id, vni, callback, user_data );
return OVERLAY_NETWORK_OPERATION_SUCCEEDED;
error:
delete_transaction( datapath_id, vni );
if ( broadcast_address != NULL ) {
xfree( broadcast_address );
}
if ( local_address != NULL ) {
xfree( local_address );
}
return OVERLAY_NETWORK_OPERATION_FAILED;
}
/*! Returns the writable block data for the requested blockNumber.
If \a cleared is true, the block is not read from disk; an empty block
is returned.
This is the only method to insert a block into a transaction. It makes
sure that the previous block contents are preserved in that case.
*/
static void*
get_writable_cached_block(block_cache* cache, fssh_off_t blockNumber, fssh_off_t base,
fssh_off_t length, int32_t transactionID, bool cleared)
{
TRACE(("get_writable_cached_block(blockNumber = %Ld, transaction = %d)\n",
blockNumber, transactionID));
if (blockNumber < 0 || blockNumber >= cache->max_blocks) {
fssh_panic("get_writable_cached_block: invalid block number %"
FSSH_B_PRIdOFF " (max %" FSSH_B_PRIdOFF ")", blockNumber,
cache->max_blocks - 1);
}
bool allocated;
cached_block* block = get_cached_block(cache, blockNumber, &allocated,
!cleared);
if (block == NULL)
return NULL;
block->discard = false;
// if there is no transaction support, we just return the current block
if (transactionID == -1) {
if (cleared)
fssh_memset(block->current_data, 0, cache->block_size);
block->is_dirty = true;
// mark the block as dirty
return block->current_data;
}
cache_transaction* transaction = block->transaction;
if (transaction != NULL && transaction->id != transactionID) {
// TODO: we have to wait here until the other transaction is done.
// Maybe we should even panic, since we can't prevent any deadlocks.
fssh_panic("get_writable_cached_block(): asked to get busy writable block (transaction %d)\n", (int)transaction->id);
put_cached_block(cache, block);
return NULL;
}
if (transaction == NULL && transactionID != -1) {
// get new transaction
transaction = lookup_transaction(cache, transactionID);
if (transaction == NULL) {
fssh_panic("get_writable_cached_block(): invalid transaction %d!\n",
(int)transactionID);
put_cached_block(cache, block);
return NULL;
}
if (!transaction->open) {
fssh_panic("get_writable_cached_block(): transaction already done!\n");
put_cached_block(cache, block);
return NULL;
}
block->transaction = transaction;
// attach the block to the transaction block list
block->transaction_next = transaction->first_block;
transaction->first_block = block;
transaction->num_blocks++;
}
bool wasUnchanged = block->original_data == NULL
|| block->previous_transaction != NULL;
if (!(allocated && cleared) && block->original_data == NULL) {
// we already have data, so we need to preserve it
block->original_data = cache->Allocate();
if (block->original_data == NULL) {
FATAL(("could not allocate original_data\n"));
put_cached_block(cache, block);
return NULL;
}
fssh_memcpy(block->original_data, block->current_data, cache->block_size);
}
if (block->parent_data == block->current_data) {
// remember any previous contents for the parent transaction
block->parent_data = cache->Allocate();
if (block->parent_data == NULL) {
// TODO: maybe we should just continue the current transaction in this case...
FATAL(("could not allocate parent\n"));
put_cached_block(cache, block);
return NULL;
}
fssh_memcpy(block->parent_data, block->current_data, cache->block_size);
transaction->sub_num_blocks++;
} else if (transaction != NULL && transaction->has_sub_transaction
&& block->parent_data == NULL && wasUnchanged)
transaction->sub_num_blocks++;
if (cleared)
fssh_memset(block->current_data, 0, cache->block_size);
block->is_dirty = true;
return block->current_data;
}
