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Posted to dev@couchdb.apache.org by Damien Katz <da...@apache.org> on 2010/06/23 21:21:48 UTC

Re: svn commit: r957314 - in /couchdb/trunk: etc/couchdb/ share/ share/www/script/ share/www/script/test/ src/couchdb/ src/couchdb/priv/

Doh, forgot to check them into svn. Fixing now!

-Damien


On Jun 23, 2010, at 12:19 PM, Filipe David Manana wrote:

> Damien,
> 
> the new files share/www/script/test/auth_cache.js and src/couchdb/couch_js_functions.hrl are missing in the diff.
> 
> cheers
> 
> On Wed, Jun 23, 2010 at 8:11 PM, <da...@apache.org> wrote:
> Author: damien
> Date: Wed Jun 23 19:11:50 2010
> New Revision: 957314
> 
> URL: http://svn.apache.org/viewvc?rev=957314&view=rev
> Log:
> Authentication caching, to avoid repeated opening and closing of the users database for each request requiring authentication. COUCHDB-807
> 
> Modified:
>    couchdb/trunk/etc/couchdb/default.ini.tpl.in
>    couchdb/trunk/share/Makefile.am
>    couchdb/trunk/share/www/script/couch_tests.js
>    couchdb/trunk/share/www/script/test/users_db.js
>    couchdb/trunk/src/couchdb/Makefile.am
>    couchdb/trunk/src/couchdb/couch_db.erl
>    couchdb/trunk/src/couchdb/couch_db.hrl
>    couchdb/trunk/src/couchdb/couch_db_updater.erl
>    couchdb/trunk/src/couchdb/couch_file.erl
>    couchdb/trunk/src/couchdb/couch_httpd_auth.erl
>    couchdb/trunk/src/couchdb/couch_httpd_db.erl
>    couchdb/trunk/src/couchdb/couch_httpd_oauth.erl
>    couchdb/trunk/src/couchdb/couch_server.erl
>    couchdb/trunk/src/couchdb/priv/stat_descriptions.cfg.in
> 
> Modified: couchdb/trunk/etc/couchdb/default.ini.tpl.in
> URL: http://svn.apache.org/viewvc/couchdb/trunk/etc/couchdb/default.ini.tpl.in?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/etc/couchdb/default.ini.tpl.in (original)
> +++ couchdb/trunk/etc/couchdb/default.ini.tpl.in Wed Jun 23 19:11:50 2010
> @@ -31,6 +31,7 @@ include_sasl = true
>  authentication_db = _users
>  require_valid_user = false
>  timeout = 600 ; number of seconds before automatic logout
> +auth_cache_size = 50 ; size is number of cache entries
> 
>  [query_servers]
>  javascript = %bindir%/%couchjs_command_name% %localbuilddatadir%/server/main.js
> @@ -55,6 +56,7 @@ httpd={couch_httpd, start_link, []}
>  stats_aggregator={couch_stats_aggregator, start, []}
>  stats_collector={couch_stats_collector, start, []}
>  uuids={couch_uuids, start, []}
> +auth_cache={couch_auth_cache, start_link, []}
> 
>  [httpd_global_handlers]
>  / = {couch_httpd_misc_handlers, handle_welcome_req, <<"Welcome">>}
> 
> Modified: couchdb/trunk/share/Makefile.am
> URL: http://svn.apache.org/viewvc/couchdb/trunk/share/Makefile.am?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/share/Makefile.am (original)
> +++ couchdb/trunk/share/Makefile.am Wed Jun 23 19:11:50 2010
> @@ -110,6 +110,7 @@ nobase_dist_localdata_DATA = \
>     www/script/test/attachment_names.js \
>     www/script/test/attachment_paths.js \
>     www/script/test/attachment_views.js \
> +    www/script/test/auth_cache.js \
>     www/script/test/basics.js \
>     www/script/test/batch_save.js \
>     www/script/test/bulk_docs.js \
> 
> Modified: couchdb/trunk/share/www/script/couch_tests.js
> URL: http://svn.apache.org/viewvc/couchdb/trunk/share/www/script/couch_tests.js?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/share/www/script/couch_tests.js [utf-8] (original)
> +++ couchdb/trunk/share/www/script/couch_tests.js [utf-8] Wed Jun 23 19:11:50 2010
> @@ -35,6 +35,7 @@ loadTest("attachments_multipart.js");
>  loadTest("attachment_names.js");
>  loadTest("attachment_paths.js");
>  loadTest("attachment_views.js");
> +loadTest("auth_cache.js");
>  loadTest("batch_save.js");
>  loadTest("bulk_docs.js");
>  loadTest("changes.js");
> 
> Modified: couchdb/trunk/share/www/script/test/users_db.js
> URL: http://svn.apache.org/viewvc/couchdb/trunk/share/www/script/test/users_db.js?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/share/www/script/test/users_db.js (original)
> +++ couchdb/trunk/share/www/script/test/users_db.js Wed Jun 23 19:11:50 2010
> @@ -24,8 +24,6 @@ couchTests.users_db = function(debug) {
>   // to determine the actual users db name.
> 
>   function testFun() {
> -    usersDb.deleteDb();
> -
>     // test that the validation function is installed
>     var ddoc = usersDb.open("_design/_auth");
>     T(ddoc.validate_doc_update);
> @@ -89,10 +87,12 @@ couchTests.users_db = function(debug) {
> 
>   };
> 
> +  usersDb.deleteDb();
>   run_on_modified_server(
>     [{section: "couch_httpd_auth",
> -      key: "authentication_db", value: "test_suite_users"}],
> +      key: "authentication_db", value: usersDb.name}],
>     testFun
>   );
> +  usersDb.deleteDb(); // cleanup
> 
>  }
> \ No newline at end of file
> 
> Modified: couchdb/trunk/src/couchdb/Makefile.am
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/Makefile.am?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/Makefile.am (original)
> +++ couchdb/trunk/src/couchdb/Makefile.am Wed Jun 23 19:11:50 2010
> @@ -17,7 +17,7 @@ couchlibdir = $(localerlanglibdir)/couch
>  couchincludedir = $(couchlibdir)/include
>  couchebindir = $(couchlibdir)/ebin
> 
> -couchinclude_DATA = couch_db.hrl
> +couchinclude_DATA = couch_db.hrl couch_js_functions.hrl
>  couchebin_DATA = $(compiled_files)
> 
>  # dist_devdoc_DATA = $(doc_base) $(doc_modules)
> @@ -29,6 +29,7 @@ CLEANFILES = $(compiled_files) $(doc_bas
>  source_files = \
>     couch.erl \
>     couch_app.erl \
> +    couch_auth_cache.erl \
>     couch_btree.erl \
>     couch_changes.erl \
>     couch_config.erl \
> @@ -80,12 +81,13 @@ source_files = \
>     couch_db_updater.erl \
>     couch_work_queue.erl
> 
> -EXTRA_DIST = $(source_files) couch_db.hrl
> +EXTRA_DIST = $(source_files) couch_db.hrl couch_js_functions.hrl
> 
>  compiled_files = \
>     couch.app \
>     couch.beam \
>     couch_app.beam \
> +    couch_auth_cache.beam \
>     couch_btree.beam \
>     couch_changes.beam \
>     couch_config.beam \
> @@ -194,6 +196,6 @@ endif
> 
>  # $(ERL) -noshell -run edoc_run files [\"$<\"]
> 
> -%.beam: %.erl couch_db.hrl
> +%.beam: %.erl couch_db.hrl couch_js_functions.hrl
>        $(ERLC) $(ERLC_FLAGS) ${TEST} $<;
> 
> 
> Modified: couchdb/trunk/src/couchdb/couch_db.erl
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/couch_db.erl?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/couch_db.erl (original)
> +++ couchdb/trunk/src/couchdb/couch_db.erl Wed Jun 23 19:11:50 2010
> @@ -114,7 +114,7 @@ open_doc(Db, IdOrDocInfo) ->
>     open_doc(Db, IdOrDocInfo, []).
> 
>  open_doc(Db, Id, Options) ->
> -    couch_stats_collector:increment({couchdb, database_reads}),
> +    increment_stat(Db, {couchdb, database_reads}),
>     case open_doc_int(Db, Id, Options) of
>     {ok, #doc{deleted=true}=Doc} ->
>         case lists:member(deleted, Options) of
> @@ -157,7 +157,7 @@ find_ancestor_rev_pos({RevPos, [RevId|Re
>     end.
> 
>  open_doc_revs(Db, Id, Revs, Options) ->
> -    couch_stats_collector:increment({couchdb, database_reads}),
> +    increment_stat(Db, {couchdb, database_reads}),
>     [{ok, Results}] = open_doc_revs_int(Db, [{Id, Revs}], Options),
>     {ok, [apply_open_options(Result, Options) || Result <- Results]}.
> 
> @@ -621,7 +621,7 @@ check_dup_atts2(_) ->
> 
> 
>  update_docs(Db, Docs, Options, replicated_changes) ->
> -    couch_stats_collector:increment({couchdb, database_writes}),
> +    increment_stat(Db, {couchdb, database_writes}),
>     DocBuckets = group_alike_docs(Docs),
> 
>     case (Db#db.validate_doc_funs /= []) orelse
> @@ -647,7 +647,7 @@ update_docs(Db, Docs, Options, replicate
>     {ok, DocErrors};
> 
>  update_docs(Db, Docs, Options, interactive_edit) ->
> -    couch_stats_collector:increment({couchdb, database_writes}),
> +    increment_stat(Db, {couchdb, database_writes}),
>     AllOrNothing = lists:member(all_or_nothing, Options),
>     % go ahead and generate the new revision ids for the documents.
>     % separate out the NonRep documents from the rest of the documents
> @@ -959,7 +959,12 @@ init({DbName, Filepath, Fd, Options}) ->
>     {ok, UpdaterPid} = gen_server:start_link(couch_db_updater, {self(), DbName, Filepath, Fd, Options}, []),
>     {ok, #db{fd_ref_counter=RefCntr}=Db} = gen_server:call(UpdaterPid, get_db),
>     couch_ref_counter:add(RefCntr),
> -    couch_stats_collector:track_process_count({couchdb, open_databases}),
> +    case lists:member(sys_db, Options) of
> +    true ->
> +        ok;
> +    false ->
> +        couch_stats_collector:track_process_count({couchdb, open_databases})
> +    end,
>     process_flag(trap_exit, true),
>     {ok, Db}.
> 
> @@ -983,7 +988,9 @@ handle_call({db_updated, NewDb}, _From,
>         couch_ref_counter:add(NewRefCntr),
>         couch_ref_counter:drop(OldRefCntr)
>     end,
> -    {reply, ok, NewDb}.
> +    {reply, ok, NewDb};
> +handle_call(get_db, _From, Db) ->
> +    {reply, {ok, Db}, Db}.
> 
> 
>  handle_cast(Msg, Db) ->
> @@ -1178,4 +1185,7 @@ make_doc(#db{fd=Fd}=Db, Id, Deleted, Bp,
>         }.
> 
> 
> -
> +increment_stat(#db{is_sys_db = true}, _Stat) ->
> +    ok;
> +increment_stat(#db{}, Stat) ->
> +    couch_stats_collector:increment(Stat).
> 
> Modified: couchdb/trunk/src/couchdb/couch_db.hrl
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/couch_db.hrl?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/couch_db.hrl (original)
> +++ couchdb/trunk/src/couchdb/couch_db.hrl Wed Jun 23 19:11:50 2010
> @@ -173,7 +173,8 @@
>     user_ctx = #user_ctx{},
>     waiting_delayed_commit = nil,
>     revs_limit = 1000,
> -    fsync_options = []
> +    fsync_options = [],
> +    is_sys_db = false
>     }).
> 
> 
> 
> Modified: couchdb/trunk/src/couchdb/couch_db_updater.erl
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/couch_db_updater.erl?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/couch_db_updater.erl (original)
> +++ couchdb/trunk/src/couchdb/couch_db_updater.erl Wed Jun 23 19:11:50 2010
> @@ -35,7 +35,7 @@ init({MainPid, DbName, Filepath, Fd, Opt
> 
>     Db = init_db(DbName, Filepath, Fd, Header),
>     Db2 = refresh_validate_doc_funs(Db),
> -    {ok, Db2#db{main_pid=MainPid}}.
> +    {ok, Db2#db{main_pid = MainPid, is_sys_db = lists:member(sys_db, Options)}}.
> 
> 
>  terminate(_Reason, Db) ->
> 
> Modified: couchdb/trunk/src/couchdb/couch_file.erl
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/couch_file.erl?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/couch_file.erl (original)
> +++ couchdb/trunk/src/couchdb/couch_file.erl Wed Jun 23 19:11:50 2010
> @@ -231,16 +231,14 @@ init({Filepath, Options, ReturnPid, Ref}
>                     {ok, 0} = file:position(Fd, 0),
>                     ok = file:truncate(Fd),
>                     ok = file:sync(Fd),
> -                    couch_stats_collector:track_process_count(
> -                            {couchdb, open_os_files}),
> +                    maybe_track_open_os_files(Options),
>                     {ok, #file{fd=Fd}};
>                 false ->
>                     ok = file:close(Fd),
>                     init_status_error(ReturnPid, Ref, file_exists)
>                 end;
>             false ->
> -                couch_stats_collector:track_process_count(
> -                        {couchdb, open_os_files}),
> +                maybe_track_open_os_files(Options),
>                 {ok, #file{fd=Fd}}
>             end;
>         Error ->
> @@ -252,7 +250,7 @@ init({Filepath, Options, ReturnPid, Ref}
>         {ok, Fd_Read} ->
>             {ok, Fd} = file:open(Filepath, [read, append, raw, binary]),
>             ok = file:close(Fd_Read),
> -            couch_stats_collector:track_process_count({couchdb, open_os_files}),
> +            maybe_track_open_os_files(Options),
>             {ok, Length} = file:position(Fd, eof),
>             {ok, #file{fd=Fd, eof=Length}};
>         Error ->
> @@ -260,6 +258,13 @@ init({Filepath, Options, ReturnPid, Ref}
>         end
>     end.
> 
> +maybe_track_open_os_files(FileOptions) ->
> +    case lists:member(sys_db, FileOptions) of
> +    true ->
> +        ok;
> +    false ->
> +        couch_stats_collector:track_process_count({couchdb, open_os_files})
> +    end.
> 
>  terminate(_Reason, _Fd) ->
>     ok.
> 
> Modified: couchdb/trunk/src/couchdb/couch_httpd_auth.erl
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/couch_httpd_auth.erl?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/couch_httpd_auth.erl (original)
> +++ couchdb/trunk/src/couchdb/couch_httpd_auth.erl Wed Jun 23 19:11:50 2010
> @@ -19,7 +19,6 @@
>  -export([proxy_authentification_handler/1]).
>  -export([cookie_auth_header/2]).
>  -export([handle_session_req/1]).
> --export([ensure_users_db_exists/1, get_user/1]).
> 
>  -import(couch_httpd, [header_value/2, send_json/2,send_json/4, send_method_not_allowed/2]).
> 
> @@ -66,7 +65,7 @@ basic_name_pw(Req) ->
>  default_authentication_handler(Req) ->
>     case basic_name_pw(Req) of
>     {User, Pass} ->
> -        case get_user(?l2b(User)) of
> +        case couch_auth_cache:get_user_creds(User) of
>             nil ->
>                 throw({unauthorized, <<"Name or password is incorrect.">>});
>             UserProps ->
> @@ -156,149 +155,6 @@ proxy_auth_user(Req) ->
>             end
>     end.
> 
> -% maybe we can use hovercraft to simplify running this view query
> -% rename to get_user_from_users_db
> -get_user(UserName) ->
> -    case couch_config:get("admins", ?b2l(UserName)) of
> -    "-hashed-" ++ HashedPwdAndSalt ->
> -        % the name is an admin, now check to see if there is a user doc
> -        % which has a matching name, salt, and password_sha
> -        [HashedPwd, Salt] = string:tokens(HashedPwdAndSalt, ","),
> -        case get_user_props_from_db(UserName) of
> -            nil ->
> -                [{<<"roles">>, [<<"_admin">>]},
> -                  {<<"salt">>, ?l2b(Salt)},
> -                  {<<"password_sha">>, ?l2b(HashedPwd)}];
> -            UserProps when is_list(UserProps) ->
> -                DocRoles = couch_util:get_value(<<"roles">>, UserProps),
> -                [{<<"roles">>, [<<"_admin">> | DocRoles]},
> -                  {<<"salt">>, ?l2b(Salt)},
> -                  {<<"password_sha">>, ?l2b(HashedPwd)}]
> -        end;
> -    _Else ->
> -        get_user_props_from_db(UserName)
> -    end.
> -
> -get_user_props_from_db(UserName) ->
> -    DbName = couch_config:get("couch_httpd_auth", "authentication_db"),
> -    {ok, Db} = ensure_users_db_exists(?l2b(DbName)),
> -    DocId = <<"org.couchdb.user:", UserName/binary>>,
> -    try couch_httpd_db:couch_doc_open(Db, DocId, nil, [conflicts]) of
> -        #doc{meta=Meta}=Doc ->
> -            %  check here for conflict state and throw error if conflicted
> -            case couch_util:get_value(conflicts,Meta,[]) of
> -                [] ->
> -                    {DocProps} = couch_query_servers:json_doc(Doc),
> -                    case couch_util:get_value(<<"type">>, DocProps) of
> -                        <<"user">> ->
> -                            DocProps;
> -                        _Else ->
> -                            ?LOG_ERROR("Invalid user doc. Id: ~p",[DocId]),
> -                            nil
> -                    end;
> -                _Else ->
> -                    throw({unauthorized, <<"User document conflict must be resolved before login.">>})
> -            end
> -    catch
> -        throw:_Throw ->
> -            nil
> -    after
> -        couch_db:close(Db)
> -    end.
> -
> -% this should handle creating the ddoc
> -ensure_users_db_exists(DbName) ->
> -    case couch_db:open(DbName, [{user_ctx, #user_ctx{roles=[<<"_admin">>]}}]) of
> -    {ok, Db} ->
> -        ensure_auth_ddoc_exists(Db, <<"_design/_auth">>),
> -        {ok, Db};
> -    _Error ->
> -        {ok, Db} = couch_db:create(DbName, [{user_ctx, #user_ctx{roles=[<<"_admin">>]}}]),
> -        ensure_auth_ddoc_exists(Db, <<"_design/_auth">>),
> -        {ok, Db}
> -    end.
> -
> -ensure_auth_ddoc_exists(Db, DDocId) ->
> -    try couch_httpd_db:couch_doc_open(Db, DDocId, nil, []) of
> -        _Foo -> ok
> -    catch
> -        _:_Error ->
> -            % create the design document
> -            {ok, AuthDesign} = auth_design_doc(DDocId),
> -            {ok, _Rev} = couch_db:update_doc(Db, AuthDesign, []),
> -            ok
> -    end.
> -
> -% add the validation function here
> -auth_design_doc(DocId) ->
> -    DocProps = [
> -        {<<"_id">>, DocId},
> -        {<<"language">>,<<"javascript">>},
> -        {
> -            <<"validate_doc_update">>,
> -            <<"function(newDoc, oldDoc, userCtx) {
> -                if ((oldDoc || newDoc).type != 'user') {
> -                    throw({forbidden : 'doc.type must be user'});
> -                } // we only validate user docs for now
> -                if (newDoc._deleted === true) {
> -                    // allow deletes by admins and matching users
> -                    // without checking the other fields
> -                    if ((userCtx.roles.indexOf('_admin') != -1) || (userCtx.name == oldDoc.name)) {
> -                        return;
> -                    } else {
> -                        throw({forbidden : 'Only admins may delete other user docs.'});
> -                    }
> -                }
> -                if (!newDoc.name) {
> -                    throw({forbidden : 'doc.name is required'});
> -                }
> -                if (!(newDoc.roles && (typeof newDoc.roles.length != 'undefined') )) {
> -                    throw({forbidden : 'doc.roles must be an array'});
> -                }
> -                if (newDoc._id != 'org.couchdb.user:'+newDoc.name) {
> -                    throw({forbidden : 'Docid must be of the form org.couchdb.user:name'});
> -                }
> -                if (oldDoc) { // validate all updates
> -                    if (oldDoc.name != newDoc.name) {
> -                      throw({forbidden : 'Usernames may not be changed.'});
> -                    }
> -                }
> -                if (newDoc.password_sha && !newDoc.salt) {
> -                    throw({forbidden : 'Users with password_sha must have a salt. See /_utils/script/couch.js for example code.'});
> -                }
> -                if (userCtx.roles.indexOf('_admin') == -1) { // not an admin
> -                    if (oldDoc) { // validate non-admin updates
> -                        if (userCtx.name != newDoc.name) {
> -                          throw({forbidden : 'You may only update your own user document.'});
> -                        }
> -                        // validate role updates
> -                        var oldRoles = oldDoc.roles.sort();
> -                        var newRoles = newDoc.roles.sort();
> -                        if (oldRoles.length != newRoles.length) {
> -                            throw({forbidden : 'Only _admin may edit roles'});
> -                        }
> -                        for (var i=0; i < oldRoles.length; i++) {
> -                            if (oldRoles[i] != newRoles[i]) {
> -                                throw({forbidden : 'Only _admin may edit roles'});
> -                            }
> -                        };
> -                    } else if (newDoc.roles.length > 0) {
> -                        throw({forbidden : 'Only _admin may set roles'});
> -                    }
> -                }
> -                // no system roles in users db
> -                for (var i=0; i < newDoc.roles.length; i++) {
> -                    if (newDoc.roles[i][0] == '_') {
> -                        throw({forbidden : 'No system roles (starting with underscore) in users db.'});
> -                    }
> -                };
> -                // no system names as names
> -                if (newDoc.name[0] == '_') {
> -                    throw({forbidden : 'Username may not start with underscore.'});
> -                }
> -            }">>
> -        }],
> -    {ok, couch_doc:from_json_obj({DocProps})}.
> 
>  cookie_authentication_handler(#httpd{mochi_req=MochiReq}=Req) ->
>     case MochiReq:get_cookie_value("AuthSession") of
> @@ -321,7 +177,7 @@ cookie_authentication_handler(#httpd{moc
>             Req;
>         SecretStr ->
>             Secret = ?l2b(SecretStr),
> -            case get_user(?l2b(User)) of
> +            case couch_auth_cache:get_user_creds(User) of
>             nil -> Req;
>             UserProps ->
>                 UserSalt = couch_util:get_value(<<"salt">>, UserProps, <<"">>),
> @@ -403,7 +259,7 @@ handle_session_req(#httpd{method='POST',
>     UserName = ?l2b(couch_util:get_value("name", Form, "")),
>     Password = ?l2b(couch_util:get_value("password", Form, "")),
>     ?LOG_DEBUG("Attempt Login: ~s",[UserName]),
> -    User = case get_user(UserName) of
> +    User = case couch_auth_cache:get_user_creds(UserName) of
>         nil -> [];
>         Result -> Result
>     end,
> 
> Modified: couchdb/trunk/src/couchdb/couch_httpd_db.erl
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/couch_httpd_db.erl?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/couch_httpd_db.erl (original)
> +++ couchdb/trunk/src/couchdb/couch_httpd_db.erl Wed Jun 23 19:11:50 2010
> @@ -160,23 +160,13 @@ handle_design_info_req(Req, _Db, _DDoc)
> 
>  create_db_req(#httpd{user_ctx=UserCtx}=Req, DbName) ->
>     ok = couch_httpd:verify_is_server_admin(Req),
> -    LDbName = ?b2l(DbName),
> -    case couch_config:get("couch_httpd_auth", "authentication_db") of
> -        LDbName ->
> -            % make sure user's db always has the auth ddoc
> -            {ok, Db} = couch_httpd_auth:ensure_users_db_exists(DbName),
> -            couch_db:close(Db),
> -            DbUrl = absolute_uri(Req, "/" ++ couch_util:url_encode(DbName)),
> -            send_json(Req, 201, [{"Location", DbUrl}], {[{ok, true}]});
> -        _Else ->
> -            case couch_server:create(DbName, [{user_ctx, UserCtx}]) of
> -            {ok, Db} ->
> -                couch_db:close(Db),
> -                DbUrl = absolute_uri(Req, "/" ++ couch_util:url_encode(DbName)),
> -                send_json(Req, 201, [{"Location", DbUrl}], {[{ok, true}]});
> -            Error ->
> -                throw(Error)
> -            end
> +    case couch_server:create(DbName, [{user_ctx, UserCtx}]) of
> +    {ok, Db} ->
> +        couch_db:close(Db),
> +        DbUrl = absolute_uri(Req, "/" ++ couch_util:url_encode(DbName)),
> +        send_json(Req, 201, [{"Location", DbUrl}], {[{ok, true}]});
> +    Error ->
> +        throw(Error)
>     end.
> 
>  delete_db_req(#httpd{user_ctx=UserCtx}=Req, DbName) ->
> @@ -189,15 +179,6 @@ delete_db_req(#httpd{user_ctx=UserCtx}=R
>     end.
> 
>  do_db_req(#httpd{user_ctx=UserCtx,path_parts=[DbName|_]}=Req, Fun) ->
> -    LDbName = ?b2l(DbName),
> -    % I hope this lookup is cheap.
> -    case couch_config:get("couch_httpd_auth", "authentication_db") of
> -        LDbName ->
> -            % make sure user's db always has the auth ddoc
> -            {ok, ADb} = couch_httpd_auth:ensure_users_db_exists(DbName),
> -            couch_db:close(ADb);
> -        _Else -> ok
> -    end,
>     case couch_db:open(DbName, [{user_ctx, UserCtx}]) of
>     {ok, Db} ->
>         try
> 
> Modified: couchdb/trunk/src/couchdb/couch_httpd_oauth.erl
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/couch_httpd_oauth.erl?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/couch_httpd_oauth.erl (original)
> +++ couchdb/trunk/src/couchdb/couch_httpd_oauth.erl Wed Jun 23 19:11:50 2010
> @@ -41,7 +41,7 @@ set_user_ctx(Req, AccessToken) ->
>         undefined -> throw({bad_request, unknown_oauth_token});
>         Value -> ?l2b(Value)
>     end,
> -    case couch_httpd_auth:get_user(Name) of
> +    case couch_auth_cache:get_user_creds(Name) of
>         nil -> Req;
>         User ->
>             Roles = couch_util:get_value(<<"roles">>, User, []),
> 
> Modified: couchdb/trunk/src/couchdb/couch_server.erl
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/couch_server.erl?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/couch_server.erl (original)
> +++ couchdb/trunk/src/couchdb/couch_server.erl Wed Jun 23 19:11:50 2010
> @@ -141,6 +141,7 @@ init([]) ->
>     ets:new(couch_dbs_by_name, [set, private, named_table]),
>     ets:new(couch_dbs_by_pid, [set, private, named_table]),
>     ets:new(couch_dbs_by_lru, [ordered_set, private, named_table]),
> +    ets:new(couch_sys_dbs, [set, private, named_table]),
>     process_flag(trap_exit, true),
>     {ok, #server{root_dir=RootDir,
>                 dbname_regexp=RegExp,
> @@ -180,7 +181,7 @@ maybe_close_lru_db(#server{dbs_open=NumO
>     end.
> 
>  try_close_lru(StartTime) ->
> -    LruTime = ets:first(couch_dbs_by_lru),
> +    LruTime = get_lru(),
>     if LruTime > StartTime ->
>         % this means we've looped through all our opened dbs and found them
>         % all in use.
> @@ -194,6 +195,7 @@ try_close_lru(StartTime) ->
>             true = ets:delete(couch_dbs_by_lru, LruTime),
>             true = ets:delete(couch_dbs_by_name, DbName),
>             true = ets:delete(couch_dbs_by_pid, MainPid),
> +            true = ets:delete(couch_sys_dbs, DbName),
>             ok;
>         false ->
>             % this still has referrers. Go ahead and give it a current lru time
> @@ -207,11 +209,31 @@ try_close_lru(StartTime) ->
>         end
>     end.
> 
> +get_lru() ->
> +    get_lru(ets:first(couch_dbs_by_lru)).
> +
> +get_lru(LruTime) ->
> +    [{LruTime, DbName}] = ets:lookup(couch_dbs_by_lru, LruTime),
> +    case ets:member(couch_sys_dbs, DbName) of
> +    false ->
> +        LruTime;
> +    true ->
> +        [{_, {opened, MainPid, _}}] = ets:lookup(couch_dbs_by_name, DbName),
> +        case couch_db:is_idle(MainPid) of
> +        true ->
> +            LruTime;
> +        false ->
> +            get_lru(ets:next(couch_dbs_by_lru, LruTime))
> +        end
> +    end.
> +
>  open_async(Server, From, DbName, Filepath, Options) ->
>     Parent = self(),
>     Opener = spawn_link(fun() ->
>             Res = couch_db:start_link(DbName, Filepath, Options),
> -            gen_server:call(Parent, {open_result, DbName, Res}, infinity),
> +            gen_server:call(
> +                Parent, {open_result, DbName, Res, Options}, infinity
> +            ),
>             unlink(Parent),
>             case Res of
>             {ok, DbReader} ->
> @@ -222,13 +244,20 @@ open_async(Server, From, DbName, Filepat
>         end),
>     true = ets:insert(couch_dbs_by_name, {DbName, {opening, Opener, [From]}}),
>     true = ets:insert(couch_dbs_by_pid, {Opener, DbName}),
> -    Server#server{dbs_open=Server#server.dbs_open + 1}.
> +    DbsOpen = case lists:member(sys_db, Options) of
> +    true ->
> +        true = ets:insert(couch_sys_dbs, {DbName, true}),
> +        Server#server.dbs_open;
> +    false ->
> +        Server#server.dbs_open + 1
> +    end,
> +    Server#server{dbs_open = DbsOpen}.
> 
>  handle_call({set_max_dbs_open, Max}, _From, Server) ->
>     {reply, ok, Server#server{max_dbs_open=Max}};
>  handle_call(get_server, _From, Server) ->
>     {reply, {ok, Server}, Server};
> -handle_call({open_result, DbName, {ok, OpenedDbPid}}, _From, Server) ->
> +handle_call({open_result, DbName, {ok, OpenedDbPid}, Options}, _From, Server) ->
>     link(OpenedDbPid),
>     [{DbName, {opening,Opener,Froms}}] = ets:lookup(couch_dbs_by_name, DbName),
>     lists:foreach(fun({FromPid,_}=From) ->
> @@ -241,15 +270,28 @@ handle_call({open_result, DbName, {ok, O
>     true = ets:delete(couch_dbs_by_pid, Opener),
>     true = ets:insert(couch_dbs_by_pid, {OpenedDbPid, DbName}),
>     true = ets:insert(couch_dbs_by_lru, {LruTime, DbName}),
> +    case lists:member(create, Options) of
> +    true ->
> +        couch_db_update_notifier:notify({created, DbName});
> +    false ->
> +        ok
> +    end,
>     {reply, ok, Server};
> -handle_call({open_result, DbName, Error}, _From, Server) ->
> +handle_call({open_result, DbName, Error, Options}, _From, Server) ->
>     [{DbName, {opening,Opener,Froms}}] = ets:lookup(couch_dbs_by_name, DbName),
>     lists:foreach(fun(From) ->
>         gen_server:reply(From, Error)
>     end, Froms),
>     true = ets:delete(couch_dbs_by_name, DbName),
>     true = ets:delete(couch_dbs_by_pid, Opener),
> -    {reply, ok, Server#server{dbs_open=Server#server.dbs_open - 1}};
> +    DbsOpen = case lists:member(sys_db, Options) of
> +    true ->
> +        true = ets:delete(couch_sys_dbs, DbName),
> +        Server#server.dbs_open;
> +    false ->
> +        Server#server.dbs_open - 1
> +    end,
> +    {reply, ok, Server#server{dbs_open = DbsOpen}};
>  handle_call({open, DbName, Options}, {FromPid,_}=From, Server) ->
>     LruTime = now(),
>     case ets:lookup(couch_dbs_by_name, DbName) of
> @@ -257,12 +299,17 @@ handle_call({open, DbName, Options}, {Fr
>         DbNameList = binary_to_list(DbName),
>         case check_dbname(Server, DbNameList) of
>         ok ->
> -            case maybe_close_lru_db(Server) of
> -            {ok, Server2} ->
> -                Filepath = get_full_filename(Server, DbNameList),
> -                {noreply, open_async(Server2, From, DbName, Filepath, Options)};
> -            CloseError ->
> -                {reply, CloseError, Server}
> +            Path = get_full_filename(Server, DbNameList),
> +            case lists:member(sys_db, Options) of
> +            true ->
> +                {noreply, open_async(Server, From, DbName, Path, Options)};
> +            false ->
> +                case maybe_close_lru_db(Server) of
> +                {ok, Server2} ->
> +                    {noreply, open_async(Server2, From, DbName, Path, Options)};
> +                CloseError ->
> +                    {reply, CloseError, Server}
> +                end
>             end;
>         Error ->
>             {reply, Error, Server}
> @@ -301,21 +348,34 @@ handle_call({delete, DbName, _Options},
>     case check_dbname(Server, DbNameList) of
>     ok ->
>         FullFilepath = get_full_filename(Server, DbNameList),
> -        Server2 =
> +        UpdateState =
>         case ets:lookup(couch_dbs_by_name, DbName) of
> -        [] -> Server;
> +        [] -> false;
>         [{_, {opening, Pid, Froms}}] ->
>             couch_util:shutdown_sync(Pid),
>             true = ets:delete(couch_dbs_by_name, DbName),
>             true = ets:delete(couch_dbs_by_pid, Pid),
>             [gen_server:send_result(F, not_found) || F <- Froms],
> -            Server#server{dbs_open=Server#server.dbs_open - 1};
> +            true;
>         [{_, {opened, Pid, LruTime}}] ->
>             couch_util:shutdown_sync(Pid),
>             true = ets:delete(couch_dbs_by_name, DbName),
>             true = ets:delete(couch_dbs_by_pid, Pid),
>             true = ets:delete(couch_dbs_by_lru, LruTime),
> -            Server#server{dbs_open=Server#server.dbs_open - 1}
> +            true
> +        end,
> +        Server2 = case UpdateState of
> +        true ->
> +            DbsOpen = case ets:member(couch_sys_dbs, DbName) of
> +            true ->
> +                true = ets:delete(couch_sys_dbs, DbName),
> +                Server#server.dbs_open;
> +            false ->
> +                Server#server.dbs_open - 1
> +            end,
> +            Server#server{dbs_open = DbsOpen};
> +        false ->
> +            Server
>         end,
> 
>         %% Delete any leftover .compact files.  If we don't do this a subsequent
> 
> Modified: couchdb/trunk/src/couchdb/priv/stat_descriptions.cfg.in
> URL: http://svn.apache.org/viewvc/couchdb/trunk/src/couchdb/priv/stat_descriptions.cfg.in?rev=957314&r1=957313&r2=957314&view=diff
> ==============================================================================
> --- couchdb/trunk/src/couchdb/priv/stat_descriptions.cfg.in (original)
> +++ couchdb/trunk/src/couchdb/priv/stat_descriptions.cfg.in Wed Jun 23 19:11:50 2010
> @@ -19,6 +19,8 @@
>  {couchdb, open_databases, "number of open databases"}.
>  {couchdb, open_os_files, "number of file descriptors CouchDB has open"}.
>  {couchdb, request_time, "length of a request inside CouchDB without MochiWeb"}.
> +{couchdb, auth_cache_hits, "number of authentication cache hits"}.
> +{couchdb, auth_cache_misses, "number of authentication cache misses"}.
> 
>  {httpd, bulk_requests, "number of bulk requests"}.
>  {httpd, requests, "number of HTTP requests"}.
> 
> 
> 
> 
> 
> -- 
> Filipe David Manana,
> fdmanana@gmail.com
> 
> "Reasonable men adapt themselves to the world.
> Unreasonable men adapt the world to themselves.
> That's why all progress depends on unreasonable men."
>