Add virtual host support for SQLite

include/ejabberd.hrl

@@ -33,10 +33,6 @@
 
 -define(SQL_DIR, filename:join(["priv", "sql"])).
 
--define(SQLITE_DB, ejabberd_sqlite).
-
--define(DEFAULT_SQLITE_DB_PATH, <<"/tmp/ejabberd.db">>).
-
 -define(CONFIG_PATH, <<"ejabberd.cfg">>).
 
 -define(LOG_PATH, <<"ejabberd.log">>).

src/ejabberd_odbc.erl

@@ -40,6 +40,8 @@
 	 escape/1,
 	 escape_like/1,
 	 to_bool/1,
+	 sqlite_db/1,
+	 sqlite_file/1,
          encode_term/1,
          decode_term/1,
 	 keep_alive/1]).
@@ -199,6 +201,22 @@ decode_term(Bin) ->
     {ok, Term} = erl_parse:parse_term(Tokens),
     Term.
 
+-spec sqlite_db(binary()) -> atom().
+sqlite_db(Host) ->
+    list_to_atom("ejabberd_sqlite_" ++ binary_to_list(Host)).
+
+-spec sqlite_file(binary()) -> string().
+sqlite_file(Host) ->
+    case ejabberd_config:get_option({odbc_database, Host},
+				    fun iolist_to_binary/1) of
+	undefined ->
+	    {ok, Cwd} = file:get_cwd(),
+	    filename:join([Cwd, "sqlite", atom_to_list(node()),
+			   binary_to_list(Host), "ejabberd.db"]);
+	File ->
+	    binary_to_list(File)
+    end.
+
 %%%----------------------------------------------------------------------
 %%% Callback functions from gen_fsm
 %%%----------------------------------------------------------------------
@@ -329,7 +347,7 @@ terminate(_Reason, _StateName, State) ->
     ejabberd_odbc_sup:remove_pid(State#state.host, self()),
     case State#state.db_type of
         mysql -> catch p1_mysql_conn:stop(State#state.db_ref);
-        sqlite -> catch sqlite3:close(?SQLITE_DB);
+        sqlite -> catch sqlite3:close(sqlite_db(State#state.host));
         _ -> ok
     end,
     ok.
@@ -460,7 +478,8 @@ sql_query_internal(Query) ->
 		%% ?INFO_MSG("MySQL, Received result~n~p~n", [R]),
 		  R;
 	      sqlite ->
-        sqlite_to_odbc(sqlite3:sql_exec(?SQLITE_DB, Query))
+		  Host = State#state.host,
+		  sqlite_to_odbc(Host, sqlite3:sql_exec(sqlite_db(Host), Query))
 	  end,
     case Res of
       {error, <<"No SQL-driver information available.">>} ->
@@ -497,23 +516,30 @@ odbc_connect(SQLServer) ->
 %% part of init/1
 %% Open a database connection to SQLite
 
-sqlite_connect(DB) ->
-    case sqlite3:open(?SQLITE_DB, [{file, binary_to_list(DB)}]) of
+sqlite_connect(Host) ->
+    File = sqlite_file(Host),
+    case filelib:ensure_dir(File) of
+	ok ->
+	    case sqlite3:open(sqlite_db(Host), [{file, File}]) of
 		{ok, Ref} ->
-	    sqlite3:sql_exec(?SQLITE_DB, "pragma foreign_keys = on"),
+		    sqlite3:sql_exec(
+		      sqlite_db(Host), "pragma foreign_keys = on"),
 		    {ok, Ref};
 		{error, {already_started, Ref}} ->
 		    {ok, Ref};
 		{error, Reason} ->
 		    {error, Reason}
+	    end;
+	Err ->
+	    Err
     end.
 
 %% Convert SQLite query result to Erlang ODBC result formalism
-sqlite_to_odbc(ok) ->
-    {updated, sqlite3:changes(?SQLITE_DB)};
-sqlite_to_odbc({rowid, _}) ->
-    {updated, sqlite3:changes(?SQLITE_DB)};
-sqlite_to_odbc([{columns, Columns}, {rows, TRows}]) ->
+sqlite_to_odbc(Host, ok) ->
+    {updated, sqlite3:changes(sqlite_db(Host))};
+sqlite_to_odbc(Host, {rowid, _}) ->
+    {updated, sqlite3:changes(sqlite_db(Host))};
+sqlite_to_odbc(_Host, [{columns, Columns}, {rows, TRows}]) ->
     Rows = [lists:map(
 	      fun(I) when is_integer(I) ->
 		      jlib:integer_to_binary(I);
@@ -521,9 +547,9 @@ sqlite_to_odbc([{columns, Columns}, {rows, TRows}]) ->
 		      B
 	      end, tuple_to_list(Row)) || Row <- TRows],
     {selected, [list_to_binary(C) || C <- Columns], Rows};
-sqlite_to_odbc({error, _Code, Reason}) ->
+sqlite_to_odbc(_Host, {error, _Code, Reason}) ->
     {error, Reason};
-sqlite_to_odbc(_) ->
+sqlite_to_odbc(_Host, _) ->
     {updated, undefined}.
 
 %% == Native PostgreSQL code
@@ -633,10 +659,7 @@ db_opts(Host) ->
         odbc ->
             [odbc, Server];
         sqlite ->
-            DB = ejabberd_config:get_option({odbc_database, Host},
-                                            fun iolist_to_binary/1,
-                                            ?DEFAULT_SQLITE_DB_PATH),
-            [sqlite, DB];
+            [sqlite, Host];
         _ ->
             Port = ejabberd_config:get_option(
                      {odbc_port, Host},

src/ejabberd_odbc_sup.erl

@@ -75,10 +75,7 @@ init([Host]) ->
                                       end, odbc),
     case Type of
         sqlite ->
-            DB = ejabberd_config:get_option({odbc_database, Host},
-                                            fun iolist_to_binary/1,
-                                            ?DEFAULT_SQLITE_DB_PATH),
-            check_sqlite_db(DB);
+            check_sqlite_db(Host);
         _ ->
             ok
     end,
@@ -134,19 +131,26 @@ transform_options({odbc_server, {sqlite, DB}}, Opts) ->
 transform_options(Opt, Opts) ->
     [Opt|Opts].
 
-check_sqlite_db(DB) ->
-    Ret = case sqlite3:open(?SQLITE_DB, [{file, binary_to_list(DB)}]) of
+check_sqlite_db(Host) ->
+    DB = ejabberd_odbc:sqlite_db(Host),
+    File = ejabberd_odbc:sqlite_file(Host),
+    Ret = case filelib:ensure_dir(File) of
+	      ok ->
+		  case sqlite3:open(DB, [{file, File}]) of
 		      {ok, _Ref} -> ok;
 		      {error, {already_started, _Ref}} -> ok;
 		      {error, R} -> {error, R}
+		  end;
+	      Err ->
+		  Err
 	  end,
     case Ret of
         ok ->
-	    sqlite3:sql_exec(?SQLITE_DB, "pragma foreign_keys = on"),
-            case sqlite3:list_tables(?SQLITE_DB) of
+	    sqlite3:sql_exec(DB, "pragma foreign_keys = on"),
+            case sqlite3:list_tables(DB) of
                 [] ->
-                    create_sqlite_tables(),
-                    sqlite3:close(?SQLITE_DB),
+                    create_sqlite_tables(DB),
+                    sqlite3:close(DB),
                     ok;
                 [_H | _] ->
                     ok
@@ -155,7 +159,7 @@ check_sqlite_db(DB) ->
             ?INFO_MSG("Failed open sqlite database, reason ~p", [Reason])
     end.
 
-create_sqlite_tables() ->
+create_sqlite_tables(DB) ->
     SqlDir = case code:priv_dir(ejabberd) of
                  {error, _} ->
                      ?SQL_DIR;
@@ -166,12 +170,12 @@ create_sqlite_tables() ->
     case file:open(File, [read, binary]) of
         {ok, Fd} ->
             Qs = read_lines(Fd, File, []),
-            ok = sqlite3:sql_exec(?SQLITE_DB, "begin"),
-            [ok = sqlite3:sql_exec(?SQLITE_DB, Q) || Q <- Qs],
-            ok = sqlite3:sql_exec(?SQLITE_DB, "commit");
+            ok = sqlite3:sql_exec(DB, "begin"),
+            [ok = sqlite3:sql_exec(DB, Q) || Q <- Qs],
+            ok = sqlite3:sql_exec(DB, "commit");
         {error, Reason} ->
-            ?INFO_MSG("Not found sqlite database schema, reason: ~p", [Reason]),
-            ok
+            ?INFO_MSG("Failed to read SQLite schema file: ~s",
+		      [file:format_error(Reason)])
     end.
 
 read_lines(Fd, File, Acc) ->

test/ejabberd_SUITE.erl

@@ -35,7 +35,6 @@ init_per_suite(Config) ->
     LDIFFile = filename:join([DataDir, "ejabberd.ldif"]),
     {ok, _} = file:copy(ExtAuthScript, filename:join([CWD, "extauth.py"])),
     {ok, _} = ldap_srv:start(LDIFFile),
-    file:delete("/tmp/ejabberd_test.db"),
     ok = application:start(ejabberd),
     NewConfig.
 

test/ejabberd_SUITE_data/ejabberd.yml

@@ -57,7 +57,6 @@ Welcome to this XMPP server."
       mod_version: []
   "sqlite.localhost": 
     odbc_type: sqlite
-    odbc_database: "/tmp/ejabberd_test.db"
     auth_method: odbc
     modules: 
       mod_announce: