Ported thrash test to new bdberl API.

This commit is contained in:
Phillip Toland 2008-12-12 14:43:09 -06:00
parent ab3162d47c
commit e6f0cba53d

View file

@ -39,60 +39,42 @@ thrash_run(Owner) ->
random:seed(A1, A2, A3), random:seed(A1, A2, A3),
%% Open up a port and database %% Open up a port and database
{ok, P} = bdberl_port:new(), {ok, 0} = bdberl:open("thrash", btree),
{ok, 0} = bdberl_port:open_database(P, "thrash", btree),
%% Start thrashing %% Start thrashing
thrash_incr_loop(P, Owner, 1000). thrash_incr_loop(Owner, 1000).
thrash_incr_loop(Owner, 0) ->
thrash_incr_loop(Port, Owner, 0) ->
Owner ! {finished, self()}; Owner ! {finished, self()};
thrash_incr_loop(Port, Owner, Count) -> thrash_incr_loop(Owner, Count) ->
ct:print("~p\n", [Count]), ct:print("~p\n", [Count]),
%% Choose random key %% Choose random key
Key = random:uniform(1200), Key = random:uniform(1200),
%% Start a txn that will read the current value of the key and increment by 1 %% Start a txn that will read the current value of the key and increment by 1
F = fun() -> F = fun() ->
case get_or_die(Port, 0, Key) of case bdberl:get(0, Key, [rmw]) of
not_found -> not_found ->
Value = 0; Value = 0;
Value -> {ok, Value} ->
Value Value
end, end,
put_or_die(Port, 0, Key, Value) ok = bdberl:put(0, Key, Value)
end, end,
ok = do_txn(Port, F, 0), ok = do_txn(F, 0),
thrash_incr_loop(Port, Owner, Count-1). thrash_incr_loop(Owner, Count-1).
do_txn(F, Count) ->
case bdberl:txn_begin() of
get_or_die(Port, DbRef, Key) ->
case bdberl_port:get(Port, DbRef, Key, [rmw]) of
not_found ->
not_found;
{ok, Value} ->
Value
end.
put_or_die(Port, DbRef, Key, Value) ->
ok = bdberl_port:put(Port, DbRef, Key, Value).
do_txn(Port, F, Count) ->
case bdberl_port:txn_begin(Port) of
ok -> ok ->
case catch(F()) of case catch(F()) of
{'EXIT', Reason} -> {'EXIT', _Reason} ->
io:format("Txn attempt ~p failed; retrying", [Count]), io:format("Txn attempt ~p failed; retrying", [Count]),
do_txn(Port, F, Count+1); do_txn(F, Count+1);
Other -> _Other ->
ok = bdberl_port:txn_commit(Port) ok = bdberl:txn_commit()
end; end;
{error, Reason} -> {error, _Reason} ->
do_txn(Port, F, Count+1) do_txn(F, Count+1)
end. end.