Merge runtimeconfig branch back into trunk

git-svn-id: https://svn.apache.org/repos/asf/incubator/couchdb/trunk@687336 13f79535-47bb-0310-9956-ffa450edef68

21 files changed, 452 insertions, 321 deletions

diff --git a/Makefile.am b/Makefile.am
index 4333b238..744424f7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -10,7 +10,7 @@
 ## License for the specific language governing permissions and limitations
 ## under the License.
 
-SUBDIRS = bin etc src share var
+SUBDIRS = bin etc src/couchdb src/mochiweb share test var
 
 localdoc_DATA = AUTHORS.gz BUGS.gz CHANGES.gz NEWS.gz README.gz THANKS.gz
 
diff --git a/README b/README
index a59f295b..647a5dd4 100644
--- a/README
+++ b/README
@@ -114,7 +114,7 @@ Note: All the examples assume you have installed into `/usr/local`.
 
 If everything was successful you should see the following message:
 
-    You have configured Apache CouchDB. Time to relax.
+    You have configured Apache CouchDB, time to relax.
 
 Relax.
 
@@ -177,7 +177,7 @@ This uses the `sudo` command to run the `couchdb` command as the `couchdb` user.
 
 When Apache CouchDB starts it should eventually display the following message:
 
-    Apache CouchDB has started. Time to relax.
+    Apache CouchDB has started, time to relax. See http://localhost:5984/_utils/index.html
 
 Relax.
 
diff --git a/bin/couchdb.tpl.in b/bin/couchdb.tpl.in
index 2fbafb28..e4865b53 100644
--- a/bin/couchdb.tpl.in
+++ b/bin/couchdb.tpl.in
@@ -26,7 +26,9 @@ RESPAWN_TIMEOUT=0
 LIB_DIRECTORY=%localstatelibdir%
 LOG_DIRECTORY=%localstatelogdir%
 
-INI_FILE=%localconfdir%/couch.ini
+DEFAULT_INI_FILE=%localconfdir%/default.ini
+LOCAL_INI_FILE=%localconfdir%/local.ini
+
 PID_FILE=%localstatedir%/run/couchdb.pid
 
 STDOUT_FILE=couchdb.stdout
@@ -70,10 +72,10 @@ Options:
 
   -h          display a short help message and exit
   -V          display version information and exit
-  -c FILE     set the configuration FILE (defaults to $INI_FILE)
+  -c FILE     use configuration FILE (chainable, resets system default)
   -i          use the interactive Erlang shell
   -b          spawn as a background process
-  -p FILE     set the background PID FILE (defaults to $PID_FILE)
+  -p FILE     set the background PID FILE (overrides system default)
   -r SECONDS  respawn background process after SECONDS (defaults to no respawn)
   -o FILE     redirect background stdout to FILE (defaults to $STDOUT_FILE)
   -e FILE     redirect background stderr to FILE (defaults to $STDERR_FILE)
@@ -105,7 +107,7 @@ check_status () {
     PID=`_get_pid`
     if test -n "$PID"; then
         if kill -0 $PID 2> /dev/null; then
-            echo "Apache CouchDB is running as process $PID. Time to relax."
+            echo "Apache CouchDB is running as process $PID, time to relax."
             return $SCRIPT_OK
         else
             echo >&2 << EOF
@@ -168,6 +170,17 @@ start_couchdb () {
         touch $PID_FILE
         interactive_option="+Bd -noinput"
     fi
+    if test -n "$INI_FILES"; then
+        ini_files="$INI_FILES"
+    else
+        ini_files="$DEFAULT_INI_FILE $LOCAL_INI_FILE"
+    fi
+    for file in $ini_files; do
+        if test -n "$start_arguments"; then
+            start_arguments="$start_arguments, ";
+        fi
+        start_arguments="$start_arguments \\\"$file\\\""
+    done
     command="`%ICU_CONFIG% --invoke` \
         %ERL% $interactive_option -smp auto -sasl errlog_type error \
         -pa %localerlanglibdir%/couch-%version%/ebin \
@@ -177,13 +190,12 @@ start_couchdb () {
         -eval \"application:load(couch)\" \
         -eval \"crypto:start()\" \
         -eval \"inets:start()\" \
-        -eval \"couch_server:start(), receive done -> done end.\" \
-        -couchini $INI_FILE"
+        -eval \"couch_server:start([$start_arguments]), receive done -> done end.\" "
     if test "$BACKGROUND_BOOLEAN" = "true" \
         -a "$RECURSED_BOOLEAN" = "false"; then
         $0 -c $INI_FILE -b -r $RESPAWN_TIMEOUT -p $PID_FILE \
             -o $STDOUT_FILE -e $STDERR_FILE -R &
-        echo "Apache CouchDB has started. Time to relax."
+        echo "Apache CouchDB has started, time to relax."
     else
         if test "$RECURSED_BOOLEAN" = "true"; then
             while true; do
@@ -257,7 +269,7 @@ parse_script_option_list () {
         case "$1" in
             -h) shift; display_help; exit $SCRIPT_OK;;
             -V) shift; display_version; exit $SCRIPT_OK;;
-            -c) shift; INI_FILE=$1; shift;;
+            -c) shift; INI_FILES="$INI_FILES $1"; shift;;
             -i) shift; INTERACTIVE_BOOLEAN=true;;
             -b) shift; BACKGROUND_BOOLEAN=true;;
             -r) shift; RESPAWN_TIMEOUT=$1; shift;;
diff --git a/bootstrap b/bootstrap
index 8f28e4de..e5fcd77b 100755
--- a/bootstrap
+++ b/bootstrap
@@ -188,7 +188,7 @@ run_command_collection () {
     run_autoconf
     cat << EOF
 
-You have bootstrapped Apache CouchDB. Time to relax.
+You have bootstrapped Apache CouchDB, time to relax.
 
 Run \`./configure' to configure the source before you install.
 EOF
diff --git a/configure.ac b/configure.ac
index b82edf34..bf6d948a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -232,7 +232,7 @@ AC_CONFIG_FILES([bin/couchjs.tpl])
 AC_CONFIG_FILES([bin/couchdb.tpl])
 AC_CONFIG_FILES([bin/Makefile])
 AC_CONFIG_FILES([etc/couchdb/Makefile])
-AC_CONFIG_FILES([etc/couchdb/couch.ini.tpl])
+AC_CONFIG_FILES([etc/couchdb/default.ini.tpl])
 AC_CONFIG_FILES([etc/default/couchdb.tpl])
 AC_CONFIG_FILES([etc/default/Makefile])
 AC_CONFIG_FILES([etc/init/couchdb.tpl])
@@ -246,12 +246,12 @@ AC_CONFIG_FILES([share/Makefile])
 AC_CONFIG_FILES([src/couchdb/couch.app.tpl])
 AC_CONFIG_FILES([src/couchdb/Makefile])
 AC_CONFIG_FILES([src/mochiweb/Makefile])
-AC_CONFIG_FILES([src/Makefile])
+AC_CONFIG_FILES([test/Makefile])
 AC_CONFIG_FILES([var/Makefile])
 
 AC_OUTPUT
 
 echo
-echo "You have configured Apache CouchDB. Time to relax."
+echo "You have configured Apache CouchDB, time to relax."
 echo
 echo "Run \`make && make install' to install."
diff --git a/etc/couchdb/Makefile.am b/etc/couchdb/Makefile.am
index 9f686780..c253048d 100644
--- a/etc/couchdb/Makefile.am
+++ b/etc/couchdb/Makefile.am
@@ -10,16 +10,16 @@
 ## License for the specific language governing permissions and limitations
 ## under the License.
 
-localconf_DATA = couch.ini
+couchprivlibdir = $(localerlanglibdir)/couch-$(version)/priv/lib
+
+localconf_DATA = default.ini
 
 CLEANFILES = $(localconf_DATA)
 
 transform = @program_transform_name@
 couchjs_command_name = `echo couchjs | sed '$(transform)'`
 
-couchprivlibdir = $(localerlanglibdir)/couch-$(version)/priv/lib
-
-couch.ini: couch.ini.tpl
+default.ini: default.ini.tpl
 	sed -e "s|%bindir%|$(bindir)|g" \
 	    -e "s|%localconfdir%|$(localconfdir)|g" \
 	    -e "s|%localdatadir%|$(localdatadir)|g" \
@@ -28,3 +28,11 @@ couch.ini: couch.ini.tpl
 	    -e "s|%couchprivlibdir%|$(couchprivlibdir)|g" \
 	    -e "s|%couchjs_command_name%|$(couchjs_command_name)|g" \
 	< $< > $@
+
+install-data-hook:
+	if test ! -f "$(localconfdir)/local.ini"; then \
+	    cp local.ini $(localconfdir)/local.ini; \
+	fi
+
+uninstall-local:
+	rm -f $(localconfdir)/local.ini
diff --git a/etc/couchdb/couch.ini.tpl.in b/etc/couchdb/couch.ini.tpl.in
index af7d32b7..e69de29b 100644
--- a/etc/couchdb/couch.ini.tpl.in
+++ b/etc/couchdb/couch.ini.tpl.in
@@ -1,21 +0,0 @@
-[Couch]
-
-ConsoleStartupMsg=Apache CouchDB is starting.
-
-DbRootDir=%localstatelibdir%
-
-Port=5984
-
-BindAddress=127.0.0.1
-
-DocumentRoot=%localdatadir%/www
-
-LogFile=%localstatelogdir%/couch.log
-
-UtilDriverDir=%couchprivlibdir%
-
-LogLevel=info
-
-[Couch Query Servers]
-
-javascript=%bindir%/%couchjs_command_name% %localdatadir%/server/main.js
diff --git a/share/www/script/couch_tests.js b/share/www/script/couch_tests.js
index 287ba6fb..fd6eaed2 100644
--- a/share/www/script/couch_tests.js
+++ b/share/www/script/couch_tests.js
@@ -388,12 +388,12 @@ var tests = {
       result = db.query(map, reduce, {startkey: i, endkey: numDocs - i});
       T(result.rows[0].value == 2*(summate(numDocs-i) - summate(i-1)));
     }
-    
+
     db.deleteDb();
     db.createDb();
 
     for(var i=1; i <= 5; i++) {
-      
+
       for(var j=0; j < 10; j++) {
         // these docs are in the order of the keys collation, for clarity
         var docs = [];
@@ -411,12 +411,12 @@ var tests = {
         T(db.bulkSave(docs).ok);
         T(db.info().doc_count == ((i - 1) * 10 * 11) + ((j + 1) * 11));
       }
-      
+
       map = function (doc) {emit(doc.keys, 1)};
       reduce = function (keys, values) { return sum(values); };
-    
+
       var results = db.query(map, reduce, {group:true});
-      
+
       //group by exact key match
       T(equals(results.rows[0], {key:["a"],value:20*i}));
       T(equals(results.rows[1], {key:["a","b"],value:20*i}));
@@ -432,7 +432,7 @@ var tests = {
       var results = db.query(map, reduce, {group_level:1});
       T(equals(results.rows[0], {key:["a"],value:70*i}));
       T(equals(results.rows[1], {key:["d"],value:40*i}));
-      
+
       //group by the first 2 elements in the key array
       var results = db.query(map, reduce, {group_level:2});
       T(equals(results.rows[0], {key:["a"],value:20*i}));
@@ -443,13 +443,13 @@ var tests = {
       T(equals(results.rows[5], {key:["d","b"],value:10*i}));
       T(equals(results.rows[6], {key:["d","c"],value:10*i}));
     }
-    
+
     // now test out more complex reductions that need to use the combine option.
-    
+
     db.deleteDb();
     db.createDb();
 
-      
+
     var map = function (doc) {emit(doc.val, doc.val)};
     var reduceCombine = function (keys, values, rereduce) {
         // This computes the standard deviation of the mapped results
@@ -457,7 +457,7 @@ var tests = {
         var count=0;
         var total=0.0;
         var sqrTotal=0.0;
-          
+
         if (!rereduce) {
           // This is the reduce phase, we are reducing over emitted values from
           // the map functions.
@@ -467,7 +467,7 @@ var tests = {
           }
           count = values.length;
         }
-        else { 
+        else {
           // This is the rereduce phase, we are re-reducing previosuly
           // reduced values.
           for(var i in values) {
@@ -476,17 +476,18 @@ var tests = {
             sqrTotal = sqrTotal + values[i].sqrTotal;
           }
         }
-        
+
         var variance =  (sqrTotal - ((total * total)/count)) / count;
         stdDeviation = Math.sqrt(variance);
-          
+
         // the reduce result. It contains enough information to be rereduced
         // with other reduce results.
         return {"stdDeviation":stdDeviation,"count":count,
             "total":total,"sqrTotal":sqrTotal};
       };
-      
+
       // Save a bunch a docs.
+
     for(var i=0; i < 10; i++) {
       var docs = [];
       docs.push({val:10});
@@ -786,7 +787,7 @@ var tests = {
     if (debug) debugger;
 
     var numDocs = 500;
-    
+
     function makebigstring(power) {
       var str = "a";
       while(power-- > 0) {
diff --git a/src/Makefile.am b/src/Makefile.am
index f656a6d0..e69de29b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,13 +0,0 @@
-## Licensed under the Apache License, Version 2.0 (the "License"); you may not
-## use this file except in compliance with the License.  You may obtain a copy
-## of the License at
-##
-##   http://www.apache.org/licenses/LICENSE-2.0
-##
-## Unless required by applicable law or agreed to in writing, software
-## distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-## WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
-## License for the specific language governing permissions and limitations
-## under the License.
-
-SUBDIRS = couchdb mochiweb
diff --git a/src/couchdb/Makefile.am b/src/couchdb/Makefile.am
index b7fe29ce..710ff1f0 100644
--- a/src/couchdb/Makefile.am
+++ b/src/couchdb/Makefile.am
@@ -7,12 +7,15 @@
 ## Unless required by applicable law or agreed to in writing, software
 ## distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 ## WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
-## License for the specific language governing permissions and limitations
-## under the License.
+## License for the specific language governing permissions and limitations under
+## the License.
 
 ICU_LOCAL_FLAGS = $(ICU_LOCAL_CFLAGS) $(ICU_LOCAL_LDFLAGS)
 
+devdocdir = $(localdocdir)/developer/couchdb
 couchprivlibdir = $(localerlanglibdir)/couch-$(version)/priv/lib
+couchincludedir = $(localerlanglibdir)/couch-$(version)/include
+couchebindir = $(localerlanglibdir)/couch-$(version)/ebin
 
 couchprivlib_LTLIBRARIES = couch_erl_driver.la
 couch_erl_driver_la_SOURCES = couch_erl_driver.c
@@ -23,14 +26,24 @@ couch_erl_driver_la_LIBADD = -licuuc -licudata -licui18n
 locallibbin_PROGRAMS = couchjs
 couchjs_SOURCES = couch_js.c
 
-couchebindir = $(localerlanglibdir)/couch-$(version)/ebin
-couchincludedir = $(localerlanglibdir)/couch-$(version)/include
+couchinclude_DATA = couch_db.hrl
+
+couchebin_DATA = $(compiled_files)
 
-couch_file_collection = \
+dist_devdoc_DATA = $(doc_base) $(doc_modules)
+
+EXTRA_DIST = $(couch_files)
+
+CLEANFILES = $(compiled_files) $(doc_base) $(doc_modules) edoc-info
+
+source_files = \
     cjson.erl \
     couch_btree.erl \
+    couch_config.erl \
+    couch_config_writer.erl \
     couch_db.erl \
     couch_db_update_notifier.erl \
+    couch_db_update_notifier_sup.erl \
     couch_doc.erl \
     couch_event_sup.erl \
     couch_file.erl \
@@ -47,12 +60,15 @@ couch_file_collection = \
     couch_view.erl \
     couch_db_updater.erl
 
-couchebin_DATA = \
+compiled_files = \
     cjson.beam \
     couch.app \
     couch_btree.beam \
+    couch_config.beam \
+    couch_config_writer.beam \
     couch_db.beam \
     couch_db_update_notifier.beam \
+    couch_db_update_notifier_sup.beam \
     couch_doc.beam \
     couch_event_sup.beam \
     couch_file.beam \
@@ -69,11 +85,36 @@ couchebin_DATA = \
     couch_view.beam \
     couch_db_updater.beam
 
-couchinclude_DATA = couch_db.hrl
-
-EXTRA_DIST = $(couch_file_collection) $(couchinclude_DATA)
+doc_base = \
+    erlang.png \
+    index.html \
+    modules-frame.html \
+    overview-summary.html \
+    packages-frame.html \
+    stylesheet.css
 
-CLEANFILES = $(couchebin_DATA)
+doc_modules = \
+    cjson.html \
+    couch_btree.html \
+    couch_config.html \
+    couch_config_writer.html \
+    couch_db.html \
+    couch_db_update_notifier.html \
+    couch_db_update_notifier_sup.html \
+    couch_doc.html \
+    couch_event_sup.html \
+    couch_file.html \
+    couch_ft_query.html \
+    couch_httpd.html \
+    couch_key_tree.html \
+    couch_log.html \
+    couch_query_servers.html \
+    couch_rep.html \
+    couch_server.html \
+    couch_server_sup.html \
+    couch_stream.html \
+    couch_util.html \
+    couch_view.html
 
 couch.app: couch.app.tpl
 	sed -e "s|%package_name%|@package_name@|g" \
@@ -81,6 +122,15 @@ couch.app: couch.app.tpl
 	$@ < $<
 	chmod +x $@
 
+$(dist_devdoc_DATA): $(source_files)
+	for file in $(source_files); do \
+	    if test -n "$$edoc_files"; then \
+	        edoc_files="$$edoc_files, "; \
+	    fi; \
+	    edoc_files="$$edoc_files \"$$file\""; \
+	done; \
+	erl -noshell -run edoc_run files ["$$edoc_files"]
+
 %.beam: %.erl
 	$(ERLC) $<
 
diff --git a/src/couchdb/couch.app.tpl.in b/src/couchdb/couch.app.tpl.in
index ba7f13c1..9766d0f9 100644
--- a/src/couchdb/couch.app.tpl.in
+++ b/src/couchdb/couch.app.tpl.in
@@ -17,6 +17,7 @@
                         couch_httpd,
                         couch_event_sup,
                         couch_db_update_notifier,
+                        couch_db_update_notifier_sup,
                         couch_ft_query,
                         couch_log,
                         couch_rep]},
@@ -24,5 +25,6 @@
                            couch_server_sup,
                            couch_view,
                            couch_query_servers,
-                           couch_ft_query]},
+                           couch_ft_query,
+                           couch_db_update_notifier_sup]},
               {applications,[kernel,stdlib,crypto,inets,mochiweb]}]}.
diff --git a/src/couchdb/couch_db_update_notifier.erl b/src/couchdb/couch_db_update_notifier.erl
index 96354620..f944264c 100644
--- a/src/couchdb/couch_db_update_notifier.erl
+++ b/src/couchdb/couch_db_update_notifier.erl
@@ -25,8 +25,6 @@
 -export([start_link/1, notify/1]).
 -export([init/1, terminate/2, handle_event/2, handle_call/2, handle_info/2, code_change/3,stop/1]).
 
--define(ERR_HANDLE, {Port, {exit_status, Status}} -> {stop, {unknown_error, Status}, {unknown_error, Status}, Port}).
-
 start_link(Exec) ->
     couch_event_sup:start_link(couch_db_update, {couch_db_update_notifier, make_ref()}, Exec).
 
diff --git a/src/couchdb/couch_file.erl b/src/couchdb/couch_file.erl
index 37e1d7ac..5ccb521b 100644
--- a/src/couchdb/couch_file.erl
+++ b/src/couchdb/couch_file.erl
@@ -394,7 +394,7 @@ handle_info(Info, Fd) ->
 
 
 
-should_close(Fd) ->
+should_close(_Fd) ->
     case process_info(self(), links) of
     {links, [_]} ->
         % no linkers left (except our fd port). What about monitors?
diff --git a/src/couchdb/couch_ft_query.erl b/src/couchdb/couch_ft_query.erl
index 2d1b9fc5..67fa5948 100644
--- a/src/couchdb/couch_ft_query.erl
+++ b/src/couchdb/couch_ft_query.erl
@@ -13,14 +13,12 @@
 -module(couch_ft_query).
 -behaviour(gen_server).
 
--export([start_link/1, execute/2]).
+-export([start_link/0, execute/2]).
 
 -export([init/1, terminate/2, handle_call/3, handle_cast/2, handle_info/2,code_change/3, stop/0]).
 
--define(ERR_HANDLE, {Port, {exit_status, Status}} -> {stop, {unknown_error, Status}, {unknown_error, Status}, Port}).
-
-start_link(QueryExec) ->
-    gen_server:start_link({local, couch_ft_query}, couch_ft_query, QueryExec, []).
+start_link() ->
+    gen_server:start_link({local, couch_ft_query}, couch_ft_query, [], []).
 
 stop() ->
     exit(whereis(couch_ft_query), close).
@@ -28,15 +26,27 @@ stop() ->
 execute(DatabaseName, QueryString) ->
     gen_server:call(couch_ft_query, {ft_query, DatabaseName, QueryString}).
 
-init(QueryExec) ->
-    Port = open_port({spawn, QueryExec}, [{line, 1000}, exit_status, hide]),
-    {ok, Port}.
+init([]) ->
+    ok = couch_config:register(
+        fun({"Search", "QueryServer"}) ->
+            ?MODULE:stop()
+        end),
+    
+    case couch_config:get({"Search", "QueryServer"}, none) of
+    none ->
+        {ok, none};
+    QueryExec ->
+        Port = open_port({spawn, QueryExec}, [{line, 1000}, exit_status, hide]),
+        {ok, Port}
+    end.
 
 terminate(_Reason, _Server) ->
     ok.
 
+handle_call({ft_query, _Database, _QueryText}, _From, none) ->
+    {reply, {error, no_full_test_query_specified_in_config}, none};
 handle_call({ft_query, Database, QueryText}, _From, Port) ->
-    %% send the database name
+    % send the database name
     true = port_command(Port, Database ++ "\n"),
     true = port_command(Port, QueryText ++ "\n"),
     case get_line(Port) of
@@ -63,7 +73,9 @@ get_line(Port) ->
     receive
     {Port, {data, {eol, Line}}} ->
         Line;
-    ?ERR_HANDLE
+    % would love to use ?ERR_HANDLE here, but edoc doesn't like it.
+    % TODO: find a way to skip that.
+    {Port, {exit_status, Status}} -> {stop, {unknown_error, Status}, {unknown_error, Status}, Port}
     end.
 
 handle_cast(_Whatever, State) ->
diff --git a/src/couchdb/couch_httpd.erl b/src/couchdb/couch_httpd.erl
index 82b09c72..51959d7d 100644
--- a/src/couchdb/couch_httpd.erl
+++ b/src/couchdb/couch_httpd.erl
@@ -13,7 +13,7 @@
 -module(couch_httpd).
 -include("couch_db.hrl").
 
--export([start_link/3, stop/0, handle_request/2]).
+-export([start_link/0, stop/0, handle_request/1, handle_request/2]).
 
 % Maximum size of document PUT request body (4GB)
 -define(MAX_DOC_SIZE, (4*1024*1024*1024)).
@@ -38,18 +38,41 @@
     group_level = 0
 }).
 
-start_link(BindAddress, Port, DocumentRoot) ->
+start_link() ->
+    % read config and register for configuration changes
+    
+    % just stop if one of the config settings change. couch_server_sup
+    % will restart us and then we will pick up the new settings.
+    
+    BindAddress = couch_config:get({"HTTPd", "BindAddress"}, any),
+    Port = couch_config:get({"HTTPd", "Port"}, "5984"),
+    DocumentRoot = couch_config:get({"HTTPd", "DocumentRoot"}, "../../share/www"),
+    
+    % and off we go
     Loop = fun (Req) -> apply(couch_httpd, handle_request, [Req, DocumentRoot]) end,
-    mochiweb_http:start([
+    {ok, Pid} = mochiweb_http:start([
         {loop, Loop},
         {name, ?MODULE},
         {ip, BindAddress},
         {port, Port}
-    ]).
+    ]),
+    ok = couch_config:register(
+        fun({"HTTPd", "BindAddress"}) ->
+            ?MODULE:stop();
+        ({"HTTPd", "Port"}) ->
+            ?MODULE:stop();
+        ({"HTTPd", "DocumentRoot"}) ->
+            ?MODULE:stop()
+        end, Pid),
+    
+    {ok, Pid}.
 
 stop() ->
     mochiweb_http:stop(?MODULE).
 
+handle_request(config_change) ->
+    stop().
+
 handle_request(Req, DocumentRoot) ->
     % alias HEAD to GET as mochiweb takes care of stripping the body
     Method = case Req:get(method) of
@@ -87,7 +110,7 @@ handle_request(Req, DocumentRoot) ->
         Path,
         Resp:get(code)
     ]).
-
+    
 handle_request(Req, DocumentRoot, Method, Path) ->
     % Start = erlang:now(),
     X = handle_request0(Req, DocumentRoot, Method, Path),
@@ -112,6 +135,8 @@ handle_request0(Req, DocumentRoot, Method, Path) ->
             ] ++ server_header(), <<>>})};
         "/_utils/" ++ PathInfo ->
             {ok, Req:serve_file(PathInfo, DocumentRoot, server_header())};
+        "/_config/" ++ Config ->
+            handle_config_request(Req, Method, {config, Config});
         "/_" ++ _Path ->
             throw({not_found, unknown_private_path});
         "/favicon.ico" ->
@@ -771,7 +796,6 @@ handle_attachment_request(Req, Method, _DbName, Db, DocId, FileName)
 handle_attachment_request(_Req, _Method, _DbName, _Db, _DocId, _FileName) ->
     throw({method_not_allowed, "GET,HEAD,DELETE,PUT"}).
 
-
 extract_header_rev(Req) ->
     QueryRev = proplists:get_value("rev", Req:parse_qs()),
     Etag = case Req:get_header_value("If-Match") of
@@ -787,6 +811,69 @@ extract_header_rev(Req) ->
         throw({bad_request, "Document rev and etag have different values"})
     end.
 
+% Config request handlers
+
+handle_config_request(_Req, Method, {config, Config}) ->
+    [Module, Key] = string:tokens(Config, "/"),
+    handle_config_request(_Req, Method, {[Module, Key]});
+
+
+% PUT /_config/Module/Key
+% "value"
+handle_config_request(_Req, 'PUT', {[Module, Key]}) ->
+     handle_config_request(_Req, 'POST', {[Module, Key]});
+
+% POST,PUT /_config/Module/Key
+% "value"
+ 
+handle_config_request(Req, 'POST', {[Module, Key]}) ->
+    Value = binary_to_list(Req:recv_body()),
+    ok = couch_config:store({Module, Key}, Value),
+    send_json(Req, 200, {obj, [
+        {ok, true},
+        {module, Module},
+        {key, Key},
+        {value, Value}
+    ]});
+    
+% GET /_config/Module/Key
+handle_config_request(Req, 'GET', {[Module, Key]}) ->
+    case couch_config:get({Module, Key},null) of
+    null ->
+        throw({not_found, unknown_config_value});
+    Value ->
+        send_json(Req, 200, {obj, [
+            {ok, true},
+            {module, Module},
+            {key, Key},
+            {value, Value}
+         ]})
+    end;
+
+    
+% DELETE /_config/Key
+handle_config_request(Req, 'DELETE', {[Module, Key]}) ->
+    case couch_config:get({Module, Key}, null) of
+    null ->
+        throw({not_found, unknown_config_value});
+    OldValue ->
+        couch_config:unset({Module, Key}),
+        send_json(Req, 200, {obj, [
+            {ok, true},
+            {module, Module},
+            {key, Key},
+            {old_value, OldValue}
+         ]})
+    end.
+
+
+% TODO:
+% POST,PUT /_config/
+% [{Key, Value}, {K2, V2}, {K3, V3}]
+% 
+% POST,PUT/_config/Key?value=Value
+
+
 % View request handling internals
 
 reverse_key_default(nil) -> <<>>;
diff --git a/src/couchdb/couch_log.erl b/src/couchdb/couch_log.erl
index 95ddc47f..0c2f9df7 100644
--- a/src/couchdb/couch_log.erl
+++ b/src/couchdb/couch_log.erl
@@ -13,7 +13,7 @@
 -module(couch_log).
 -behaviour(gen_event).
 
--export([start_link/2,stop/0]).
+-export([start_link/0,stop/0]).
 -export([debug_on/0,info_on/0,get_level/0,get_level_integer/0, set_level/1]).
 -export([init/1, handle_event/2, terminate/2, code_change/3, handle_info/2, handle_call/2]).
 
@@ -34,15 +34,29 @@ level_atom(?LEVEL_DEBUG) -> debug;
 level_atom(?LEVEL_TMI) -> tmi.
 
 
-start_link(Filename, Level) ->
-    couch_event_sup:start_link({local, couch_log}, error_logger, couch_log, {Filename, Level}).
+start_link() ->
+    couch_event_sup:start_link({local, couch_log}, error_logger, couch_log, []).
 
 stop() ->
     couch_event_sup:stop(couch_log).
 
-init({Filename, Level}) ->
+init([]) ->
+    % read config and register for configuration changes
+    
+    % just stop if one of the config settings change. couch_server_sup
+    % will restart us and then we will pick up the new settings.
+    ok = couch_config:register(
+        fun({"Log", "File"}) ->
+            ?MODULE:stop();
+        ({"Log", "Level"}) ->
+            ?MODULE:stop()
+        end),
+    
+    Filename = couch_config:get({"Log", "File"}, "couchdb.log"),
+    Level = couch_config:get({"Log", "Level"},"info"),
+
     {ok, Fd} = file:open(Filename, [append]),
-    {ok, {Fd, level_integer(Level)}}.
+    {ok, {Fd, level_integer(list_to_atom(Level))}}.
 
 debug_on() ->
     get_level_integer() =< ?LEVEL_DEBUG.
diff --git a/src/couchdb/couch_query_servers.erl b/src/couchdb/couch_query_servers.erl
index ffacbc26..0160e8c7 100644
--- a/src/couchdb/couch_query_servers.erl
+++ b/src/couchdb/couch_query_servers.erl
@@ -13,21 +13,17 @@
 -module(couch_query_servers).
 -behaviour(gen_server).
 
--export([start_link/1]).
+-export([start_link/0]).
 
 -export([init/1, terminate/2, handle_call/3, handle_cast/2, handle_info/2,code_change/3,stop/0]).
 -export([start_doc_map/2, map_docs/2, stop_doc_map/1]).
 -export([reduce/3, rereduce/3]).
--export([test/0, test/1]).
+-export([test/0]).
 
 -include("couch_db.hrl").
 
-timeout() ->
-    % hardcoded 5 sec timeout per document
-    5000.
-
-start_link(QueryServerList) ->
-    gen_server:start_link({local, couch_query_servers}, couch_query_servers, QueryServerList, []).
+start_link() ->
+    gen_server:start_link({local, couch_query_servers}, couch_query_servers, [], []).
 
 stop() ->
     exit(whereis(couch_query_servers), close).
@@ -36,6 +32,14 @@ readline(Port) ->
     readline(Port, []).
 
 readline(Port, Acc) ->
+    
+    case get(query_server_timeout) of
+    undefined ->
+        Timeout = list_to_integer(couch_config:get(
+            {"CouchDB Query Server Options", "QueryTimeout"}, "5000")),
+        put(timeout, Timeout);
+    Timeout -> ok
+    end,
     receive
     {Port, {data, {noeol, Data}}} ->
         readline(Port, [Data|Acc]);
@@ -44,7 +48,7 @@ readline(Port, Acc) ->
     {Port, Err} ->
         catch port_close(Port),
         throw({map_process_error, Err})
-    after timeout() ->
+    after Timeout ->
         catch port_close(Port),
         throw({map_process_error, "map function timed out"})
     end.
@@ -166,7 +170,21 @@ reduce(Lang, RedSrcs, KVs) ->
     {ok, tuple_to_list(Results)}.
 
 
-init(QueryServerList) ->
+init([]) ->
+    
+    % read config and register for configuration changes
+    
+    % just stop if one of the config settings change. couch_server_sup
+    % will restart us and then we will pick up the new settings.
+    
+    ok = couch_config:register(
+        fun({"CouchDB Query Server" ++ _, _}) ->
+            ?MODULE:stop()
+        end),
+        
+    QueryServerList = couch_config:lookup_match(
+            {{"CouchDB Query Servers", '$1'}, '$2'}, []),
+        
     {ok, {QueryServerList, []}}.
 
 terminate(_Reason, _Server) ->
@@ -216,18 +234,16 @@ handle_info({Port, {exit_status, Status}}, {QueryServerList, LangPorts}) ->
         {noreply, {QueryServerList,  lists:keydelete(Port, 2, LangPorts)}};
     _ ->
         ?LOG_ERROR("Unknown linked port/process crash: ~p", [Port])
-    end;
-handle_info(_Whatever, {Cmd, Ports}) ->
-    {noreply, {Cmd, Ports}}.
+    end.
 
 code_change(_OldVsn, State, _Extra) ->
     {ok, State}.
 
-test() ->
-    test("../js/js -f main.js").
+% test() ->
+%     test("../js/js -f main.js").
 
-test(Cmd) ->
-    start_link(Cmd),
+test() ->
+    start_link(),
     {ok, DocMap} = start_doc_map("javascript", ["function(doc) {if (doc[0] == 'a') return doc[1];}"]),
     {ok, Results} = map_docs(DocMap, [#doc{body={"a", "b"}}, #doc{body={"c", "d"}},#doc{body={"a", "c"}}]),
     io:format("Results: ~w~n", [Results]),
diff --git a/src/couchdb/couch_server.erl b/src/couchdb/couch_server.erl
index b89f5abc..3fa23867 100644
--- a/src/couchdb/couch_server.erl
+++ b/src/couchdb/couch_server.erl
@@ -14,9 +14,9 @@
 -behaviour(gen_server).
 -behaviour(application).
 
--export([start/0,start/1,start/2,stop/0,stop/1]).
+-export([start/0,start/1,start/2,stop/0,stop/1,restart/0]).
 -export([open/2,create/2,delete/1,all_databases/0,get_version/0]).
--export([init/1, handle_call/3,sup_start_link/2]).
+-export([init/1, handle_call/3,sup_start_link/0]).
 -export([handle_cast/2,code_change/3,handle_info/2,terminate/2]).
 -export([dev_start/0,remote_restart/0]).
 
@@ -31,18 +31,18 @@
     }).
 
 start() ->
-    start("").
+    start(["couch.ini"]).
 
-start(IniFile) when is_atom(IniFile) ->
-    couch_server_sup:start_link(atom_to_list(IniFile) ++ ".ini");
-start(IniNum) when is_integer(IniNum) ->
-    couch_server_sup:start_link("couch" ++ integer_to_list(IniNum) ++ ".ini");
-start(IniFile) ->
-    couch_server_sup:start_link(IniFile).
+start(IniFiles) ->
+    couch_server_sup:start_link(IniFiles).
 
 start(_Type, _Args) ->
     start().
 
+restart() ->
+    stop(),
+    start().
+    
 stop() ->
     couch_server_sup:stop().
 
@@ -63,8 +63,8 @@ get_version() ->
         "0.0.0"
     end.
 
-sup_start_link(RootDir, Options) ->
-    gen_server:start_link({local, couch_server}, couch_server, {RootDir, Options}, []).
+sup_start_link() ->
+    gen_server:start_link({local, couch_server}, couch_server, [], []).
 
 open(DbName, Options) ->
     gen_server:call(couch_server, {open, DbName, Options}).
@@ -89,7 +89,21 @@ check_dbname(#server{dbname_regexp=RegExp}, DbName) ->
 get_full_filename(Server, DbName) ->
     filename:join([Server#server.root_dir, "./" ++ DbName ++ ".couch"]).
 
-init({RootDir, Options}) ->
+init([]) ->
+    % read config and register for configuration changes
+    
+    % just stop if one of the config settings change. couch_server_sup
+    % will restart us and then we will pick up the new settings.
+
+    RootDir = couch_config:get({"CouchDB", "RootDirectory"}, "."),
+    Options = couch_config:get({"CouchDB", "ServerOptions"}, []),
+    Self = self(),
+    ok = couch_config:register(
+        fun({"CouchDB", "RootDirectory"}) ->
+            exit(Self, config_change);
+        ({"CouchDB", "ServerOptions"}) ->
+            exit(Self, config_change)
+        end),
     {ok, RegExp} = regexp:parse("^[a-z][a-z0-9\\_\\$()\\+\\-\\/]*$"),
     ets:new(couch_dbs_by_name, [set, private, named_table]),
     ets:new(couch_dbs_by_pid, [set, private, named_table]),
diff --git a/src/couchdb/couch_server_sup.erl b/src/couchdb/couch_server_sup.erl
index 5d4099bf..b90ec07e 100644
--- a/src/couchdb/couch_server_sup.erl
+++ b/src/couchdb/couch_server_sup.erl
@@ -13,35 +13,31 @@
 -module(couch_server_sup).
 -behaviour(supervisor).
 
--define(DEFAULT_INI, "couch.ini").
 
--export([start_link/1,stop/0]).
+-export([start_link/1,stop/0,couch_config_start_link_wrapper/2,start_primary_services/0]).
 
 -include("couch_db.hrl").
 
 %% supervisor callbacks
 -export([init/1]).
 
-start_link(IniFilename) ->
+start_link(IniFiles) ->
     case whereis(couch_server_sup) of
     undefined ->
-        start_server(IniFilename);
+        start_server(IniFiles);
     _Else ->
         {error, already_started}
     end.
 
-start_server("") ->
-        % no ini file specified, check the command line args
-    IniFile =
-    case init:get_argument(couchini) of
-    {ok, [CmdLineIniFilename]} ->
-        CmdLineIniFilename;
-    _Else ->
-        ?DEFAULT_INI
-    end,
-    start_server(IniFile);
-start_server(InputIniFilename) ->
+couch_config_start_link_wrapper(IniFiles, FirstConfigPid) ->
+    case is_process_alive(FirstConfigPid) of
+        true ->
+            link(FirstConfigPid),
+            {ok, FirstConfigPid};
+        false -> couch_config:start_link(IniFiles)
+    end.
 
+start_server(IniFiles) ->
     case init:get_argument(pidfile) of
     {ok, [PidFile]} ->
         case file:write_file(PidFile, os:getpid()) of
@@ -50,146 +46,124 @@ start_server(InputIniFilename) ->
         end;
     _ -> ok
     end,
-
-    {ok, Cwd} = file:get_cwd(),
-    IniFilename = couch_util:abs_pathname(InputIniFilename),
-    IniBin =
-    case file:read_file(IniFilename) of
-    {ok, IniBin0} ->
-        IniBin0;
-    {error, enoent} ->
-        Msg = io_lib:format("Couldn't find server configuration file ~s.", [InputIniFilename]),
-        io:format("~s~n", [Msg]),
-        throw({startup_error, Msg})
+    
+    {ok, ConfigPid} = couch_config:start_link(IniFiles),
+    
+    LogLevel = couch_config:get({"Log", "Level"}, "info"),
+    % announce startup
+    io:format("Apache CouchDB ~s (LogLevel=~s) is starting.~n", [
+        couch_server:get_version(),
+        LogLevel
+    ]),
+    case LogLevel of
+    "debug" ->
+        io:format("Configuration Settings ~p:~n", [IniFiles]),
+        [io:format("  [~s] ~s=~p~n", [Module, Variable, Value])
+            || {{Module, Variable}, Value} <- couch_config:all()];
+    _ -> ok
     end,
-    {ok, Ini} = couch_util:parse_ini(binary_to_list(IniBin)),
-
-    ConsoleStartupMsg = proplists:get_value({"Couch", "ConsoleStartupMsg"}, Ini, "Apache CouchDB is starting."),
-    LogLevel = list_to_atom(proplists:get_value({"Couch", "LogLevel"}, Ini, "error")),
-    DbRootDir = proplists:get_value({"Couch", "DbRootDir"}, Ini, "."),
-    BindAddress = proplists:get_value({"Couch", "BindAddress"}, Ini, any),
-    Port = proplists:get_value({"Couch", "Port"}, Ini, 5984),
-    DocumentRoot = proplists:get_value({"Couch", "DocumentRoot"}, Ini, "share/www"),
-    LogFile = proplists:get_value({"Couch", "LogFile"}, Ini, "couchdb.log"),
-    UtilDriverDir = proplists:get_value({"Couch", "UtilDriverDir"}, Ini, ""),
-    UpdateNotifierExes = proplists:get_all_values({"Couch", "DbUpdateNotificationProcess"}, Ini),
-    FtSearchQueryServer = proplists:get_value({"Couch", "FullTextSearchQueryServer"}, Ini, ""),
-    RemoteRestart = list_to_atom(proplists:get_value({"Couch", "AllowRemoteRestart"}, Ini, "false")),
-    MaxDbsOpen = proplists:get_value({"Couch", "MaxDbsOpen"}, Ini, 100),
-    ServerOptions = [{remote_restart, RemoteRestart}, {max_dbs_open, MaxDbsOpen}],
-    QueryServers = [{Lang, QueryExe} || {{"Couch Query Servers", Lang}, QueryExe} <- Ini],
-
-    ChildProcesses =
-        [{couch_log,
-            {couch_log, start_link, [LogFile, LogLevel]},
+    
+    LibDir =
+    case couch_config:get({"CouchDB", "UtilDriverDir"}, null) of
+    null ->
+        filename:join(code:priv_dir(couch), "lib");
+    LibDir0 -> LibDir0
+    end,
+    
+    ok = couch_util:start_driver(LibDir),
+    
+    BaseServices =
+    {{one_for_all, 10, 3600}, 
+        [{couch_config,
+            {couch_server_sup, couch_config_start_link_wrapper, [IniFiles, ConfigPid]},
             permanent,
             brutal_kill,
             worker,
-            [couch_server]},
-        {couch_db_update_event,
-            {gen_event, start_link, [{local, couch_db_update}]},
-            permanent,
-            1000,
-            supervisor,
             dynamic},
-        {couch_server,
-            {couch_server, sup_start_link, [DbRootDir, ServerOptions]},
-            permanent,
-            brutal_kill,
-            worker,
-            [couch_server]},
-        {couch_query_servers,
-            {couch_query_servers, start_link, [QueryServers]},
-            permanent,
-            brutal_kill,
-            worker,
-            [couch_query_servers]},
-        {couch_view,
-            {couch_view, start_link, [DbRootDir]},
+        {couch_primary_services,
+            {couch_server_sup, start_primary_services, []},
             permanent,
-            brutal_kill,
-            worker,
-            [couch_view]},
-        {couch_httpd,
-            {couch_httpd, start_link, [BindAddress, Port, DocumentRoot]},
-            permanent,
-            1000,
+            infinity,
             supervisor,
-            [couch_httpd]}
-        ] ++
-        lists:map(fun(UpdateNotifierExe) ->
-            {UpdateNotifierExe,
-                {couch_db_update_notifier, start_link, [UpdateNotifierExe]},
-                permanent,
-                1000,
-                supervisor,
-                [couch_db_update_notifier]}
-            end, UpdateNotifierExes)
-        ++
-        case FtSearchQueryServer of
-        "" ->
-            [];
-        _ ->
-            [{couch_ft_query,
-                {couch_ft_query, start_link, [FtSearchQueryServer]},
-                permanent,
-                1000,
-                supervisor,
-                [couch_ft_query]}]
-        end,
-
-    io:format("Apache CouchDB ~s (LogLevel=~s)~n", [couch_server:get_version(), LogLevel]),
-    io:format("~s~n~n", [ConsoleStartupMsg]),
-
-    couch_util:start_driver(UtilDriverDir),
+            [couch_server_sup]}
+        ]},
+   
 
     % ensure these applications are running
     application:start(inets),
     application:start(crypto),
 
-    process_flag(trap_exit, true),
-    StartResult = (catch supervisor:start_link(
-        {local, couch_server_sup}, couch_server_sup, ChildProcesses)),
-
-    ConfigInfo = io_lib:format("Config Info ~s:~n\tCurrentWorkingDir=~s~n" ++
-        "\tDbRootDir=~s~n" ++
-        "\tBindAddress=~p~n" ++
-        "\tPort=~p~n" ++
-        "\tDocumentRoot=~s~n" ++
-        "\tLogFile=~s~n" ++
-        "\tUtilDriverDir=~s~n" ++
-        "\tDbUpdateNotificationProcesses=~s~n" ++
-        "\tFullTextSearchQueryServer=~s~n" ++
-        "~s",
-            [IniFilename,
-            Cwd,
-            DbRootDir,
-            BindAddress,
-            Port,
-            DocumentRoot,
-            LogFile,
-            UtilDriverDir,
-            UpdateNotifierExes,
-            FtSearchQueryServer,
-            [lists:flatten(io_lib:format("\t~s=~s~n", [Lang, QueryExe])) || {Lang, QueryExe} <- QueryServers]]),
-    ?LOG_DEBUG("~s", [ConfigInfo]),
-
-    case StartResult of
-    {ok,_} ->
-        % only output when startup was successful
-        %io:format("Find Futon, the management interface, at:~nhttp://~s:~s/_utils/index.html~n~n", [BindAddress, Port]),
-        io:format("Apache CouchDB has started. Time to relax.~n");
-    _ ->
-        % Since we failed startup, unconditionally dump configuration data to console
-        io:format("~s", [ConfigInfo]),
-        ok
-    end,
-    process_flag(trap_exit, false),
-    StartResult.
+    {ok, Pid} = supervisor:start_link(
+        {local, couch_server_sup}, couch_server_sup, BaseServices),
+
+    % launch the icu bridge
+    % just restart if one of the config settings change.
+
+    couch_config:register(
+        fun({"CouchDB", "UtilDriverDir"}) ->
+            ?MODULE:stop()
+        end, Pid),
+    
+    unlink(ConfigPid),
+    
+    io:format("Apache CouchDB has started. Time to relax.~n"),
+    
+    {ok, Pid}.
+
+start_primary_services() ->
+    supervisor:start_link(couch_server_sup,
+        {{one_for_one, 10, 3600}, 
+            [{couch_log,
+                {couch_log, start_link, []},
+                permanent,
+                brutal_kill,
+                worker,
+                [couch_log]},
+            {couch_db_update_event,
+                {gen_event, start_link, [{local, couch_db_update}]},
+                permanent,
+                brutal_kill,
+                supervisor,
+                dynamic},
+            {couch_server,
+                {couch_server, sup_start_link, []},
+                permanent,
+                brutal_kill,
+                supervisor,
+                [couch_server]},
+            {couch_query_servers,
+                {couch_query_servers, start_link, []},
+                permanent,
+                brutal_kill,
+                supervisor,
+                [couch_query_servers]},
+            {couch_view,
+                {couch_view, start_link, []},
+                permanent,
+                brutal_kill,
+                supervisor,
+                [couch_view]},
+            {couch_httpd,
+                {couch_httpd, start_link, []},
+                permanent,
+                brutal_kill,
+                supervisor,
+                [couch_httpd]},
+            {couch_ft_query,
+                {couch_ft_query, start_link, []},
+                permanent,
+                brutal_kill,
+                supervisor,
+                [couch_ft_query]},
+            {couch_db_update_notifier_sup,
+                {couch_db_update_notifier_sup, start_link, []},
+                permanent,
+                brutal_kill,
+                supervisor,
+                [couch_db_update_notifier_sup]}]}).
 
 stop() ->
-    catch exit(whereis(couch_server_sup), normal),
-    couch_log:stop().
+    catch exit(whereis(couch_server_sup), normal).
 
-init(ChildProcesses) ->
-    {ok, {{one_for_one, 10, 3600}, ChildProcesses}}.
+init(ChildSpecs) ->
+    {ok, ChildSpecs}.
diff --git a/src/couchdb/couch_util.erl b/src/couchdb/couch_util.erl
index 1d058005..83f3e9a5 100644
--- a/src/couchdb/couch_util.erl
+++ b/src/couchdb/couch_util.erl
@@ -13,7 +13,7 @@
 -module(couch_util).
 
 -export([start_driver/1]).
--export([parse_ini/1,should_flush/0, should_flush/1]).
+-export([should_flush/0, should_flush/1]).
 -export([new_uuid/0, rand32/0, implode/2, collate/2, collate/3]).
 -export([abs_pathname/1,abs_pathname/2, trim/1, ascii_lower/1]).
 -export([encodeBase64/1, decodeBase64/1, to_hex/1]).
@@ -22,17 +22,18 @@
 % arbitrarily chosen amount of memory to use before flushing to disk
 -define(FLUSH_MAX_MEM, 10000000).
 
-start_driver("") ->
-    start_driver(filename:join(code:priv_dir(couch), "lib"));
 start_driver(LibDir) ->
+    % read config and register for configuration changes
+    
     case erl_ddll:load_driver(LibDir, "couch_erl_driver") of
-    ok -> ok;
-    {error, already_loaded} -> ok;
-    {error, Error} -> exit(erl_ddll:format_error(Error))
+    ok ->
+        ok;
+    {error, already_loaded} ->
+        ok = erl_ddll:reload_driver(LibDir, "couch_erl_driver");
+    {error, Error} ->
+        exit(erl_ddll:format_error(Error))
     end.
-    
-    
-    
+
 new_uuid() ->
     to_hex(crypto:rand_bytes(16)).
     
@@ -158,34 +159,6 @@ implode([H|T], Sep, Acc) ->
 % {{"Another Section", "oops"}, "\"it doesn't qet quoted strings with semis quite right"}]
 %
 
-parse_ini(FileContents) ->
-    {ok, Lines} = regexp:split(FileContents, "\r\n|\n|\r|\032"),
-    {_, ParsedIniValues} =
-    lists:foldl(fun(Line, {AccSectionName, AccValues}) ->
-            case string:strip(Line) of
-            "[" ++ Rest ->
-                case regexp:split(Rest, "\\]") of
-                {ok, [NewSectionName, ""]} ->
-                    {NewSectionName, AccValues};
-                _Else -> % end bracket not at end, ignore this line
-                    {AccSectionName, AccValues}
-                end;
-            ";" ++ _Comment ->
-                {AccSectionName, AccValues};
-            Line2 ->
-                case regexp:split(Line2, "=") of
-                {ok, [_SingleElement]} -> % no "=" found, ignore this line
-                    {AccSectionName, AccValues};
-                {ok, [""|_LineValues]} -> % line begins with "=", ignore
-                    {AccSectionName, AccValues};
-                {ok, [ValueName|LineValues]} -> % yeehaw, got a line!
-                    RemainingLine = implode(LineValues, "="),
-                    {ok, [LineValue | _Rest]} = regexp:split(RemainingLine, " ;|\t;"), % removes comments
-                    {AccSectionName, [{{AccSectionName, ValueName}, LineValue} | AccValues]}
-                end
-            end
-        end, {"", []}, Lines),
-    {ok, lists:reverse(ParsedIniValues)}.
 
 drv_port() ->
     case get(couch_drv_port) of
@@ -294,5 +267,3 @@ enc(C) ->
 
 dec(C) ->
     62*?st(C,43) + ?st(C,47) + (C-59)*?st(C,48) - 69*?st(C,65) - 6*?st(C,97).
-
-
diff --git a/src/couchdb/couch_view.erl b/src/couchdb/couch_view.erl
index fc304dee..ec6b16cf 100644
--- a/src/couchdb/couch_view.erl
+++ b/src/couchdb/couch_view.erl
@@ -13,7 +13,7 @@
 -module(couch_view).
 -behaviour(gen_server).
 
--export([start_link/1,fold/4,fold/5,less_json/2, start_update_loop/3, start_temp_update_loop/5]).
+-export([start_link/0,fold/4,fold/5,less_json/2, start_update_loop/3, start_temp_update_loop/5]).
 -export([init/1,terminate/2,handle_call/3,handle_cast/2,handle_info/2,code_change/3]).
 -export([get_reduce_view/1, get_map_view/1,get_row_count/1,reduce_to_count/1, fold_reduce/7]).
 
@@ -43,10 +43,8 @@
     {root_dir
     }).
 
-start_link(RootDir) ->
-    gen_server:start_link({local, couch_view}, couch_view, RootDir, []).
-
-
+start_link() ->
+    gen_server:start_link({local, couch_view}, couch_view, [], []).
 
 get_temp_updater(DbName, Type, MapSrc, RedSrc) ->
     {ok, Pid} = gen_server:call(couch_view, {start_temp_updater, DbName, Type, MapSrc, RedSrc}),
@@ -222,7 +220,15 @@ fold(#view{btree=Btree}, StartKey, Dir, Fun, Acc) ->
     {ok, _AccResult} = couch_btree:fold(Btree, StartKey, Dir, WrapperFun, Acc).
 
 
-init(RootDir) ->
+init([]) ->
+    % read configuration settings and register for configuration changes
+    RootDir = couch_config:get({"CouchDB", "RootDirectory"}),
+    Self = self(),
+    ok = couch_config:register(
+        fun({"CouchDB", "RootDirectory"})->
+            exit(Self, config_change)
+        end),
+        
     couch_db_update_notifier:start_link(
         fun({deleted, DbName}) ->
             gen_server:cast(couch_view, {reset_indexes, DbName});
@@ -238,7 +244,7 @@ init(RootDir) ->
     process_flag(trap_exit, true),
     {ok, #server{root_dir=RootDir}}.
 
-terminate(_Reason, _) ->
+terminate(_Reason,_State) ->
     ok.