From c1fe4ce53f2df2c10078de2abae712d49fd6a633 Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Fri, 16 Dec 2011 10:02:01 +0100
Subject: [ftp] Fails to open IPv6 connection

Fails to open IPv6 connection due to badly formatted IPv6 address in
EPRT command. The address part of the command incorrectly contained decimal
elements instead of hexadecimal.
Attila Rajmund Nohl
OTP-9827
---
 lib/inets/doc/src/notes.xml             | 36 +++++++++++++++++++++++++++++++++
 lib/inets/src/ftp/ftp.erl               |  7 ++-----
 lib/inets/src/inets_app/inets.appup.src | 18 ++++++++++++++++-
 lib/inets/vsn.mk                        |  2 +-
 4 files changed, 56 insertions(+), 7 deletions(-)

diff --git a/lib/inets/doc/src/notes.xml b/lib/inets/doc/src/notes.xml
index de934b91ea..ae2557b44e 100644
--- a/lib/inets/doc/src/notes.xml
+++ b/lib/inets/doc/src/notes.xml
@@ -32,6 +32,42 @@
     <file>notes.xml</file>
   </header>
   
+  <section><title>Inets 5.7.3</title>
+    <section><title>Improvements and New Features</title>
+    <p>-</p>
+
+<!--
+      <list>
+        <item>
+          <p>[httpc|httpd] Added support for IPv6 with ssl. </p>
+	  <p>Own Id: OTP-5566</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+<!--
+    <p>-</p>
+-->
+
+      <list>
+        <item>
+          <p>[ftp] Fails to open IPv6 connection due to badly formatted
+          IPv6 address in EPRT command. The address part of the command
+	  incorrectly contained decimal elements instead of hexadecimal. </p>
+          <p>Own Id: OTP-9827</p>
+          <p>Aux Id: Seq 11970 </p>
+        </item>
+
+      </list>
+    </section>
+  
+  </section> <!-- 5.7.3 -->
+
+
   <section><title>Inets 5.7.2</title>
     <section><title>Improvements and New Features</title>
     <p>-</p>
diff --git a/lib/inets/src/ftp/ftp.erl b/lib/inets/src/ftp/ftp.erl
index ac72963347..3028cd800f 100644
--- a/lib/inets/src/ftp/ftp.erl
+++ b/lib/inets/src/ftp/ftp.erl
@@ -1912,17 +1912,14 @@ setup_ctrl_connection(Host, Port, Timeout, State) ->
 setup_data_connection(#state{mode   = active, 
 			     caller = Caller, 
 			     csock  = CSock} = State) ->    
-    IntToString = fun(Element) -> integer_to_list(Element) end,
-    
     case (catch inet:sockname(CSock)) of
 	{ok, {{_, _, _, _, _, _, _, _} = IP, _}} ->
 	    {ok, LSock} = 
 		gen_tcp:listen(0, [{ip, IP}, {active, false},
 				   inet6, binary, {packet, 0}]),
 	    {ok, Port} = inet:port(LSock),
-	    Cmd = mk_cmd("EPRT |2|~s:~s:~s:~s:~s:~s:~s:~s|~s|", 
-			 lists:map(IntToString, 
-				   tuple_to_list(IP) ++ [Port])),
+	    IpAddress = inet_parse:ntoa(IP),
+	    Cmd = mk_cmd("EPRT |2|~s|~p|", [IpAddress, Port]),
 	    send_ctrl_message(State, Cmd),
 	    activate_ctrl_connection(State),  
 	    {noreply, State#state{caller = {setup_data_connection, 
diff --git a/lib/inets/src/inets_app/inets.appup.src b/lib/inets/src/inets_app/inets.appup.src
index fb605351b4..a9ffd89568 100644
--- a/lib/inets/src/inets_app/inets.appup.src
+++ b/lib/inets/src/inets_app/inets.appup.src
@@ -18,8 +18,14 @@
 
 {"%VSN%",
  [
+  {"5.7.2",
+   [
+    {load_module, ftp, soft_purge, soft_purge, []}
+   ]
+  }, 
   {"5.7.1",
    [
+    {load_module, ftp,            soft_purge, soft_purge, []},
     {load_module, http_uri,       soft_purge, soft_purge, []},
     {load_module, http_util,      soft_purge, soft_purge, []},
     {load_module, httpd_util,     soft_purge, soft_purge, [http_util]},
@@ -31,6 +37,7 @@
   }, 
   {"5.7", 
    [
+    {load_module, ftp,            soft_purge, soft_purge, []},
     {load_module, http_uri,       soft_purge, soft_purge, []},
     {load_module, httpd_util,     soft_purge, soft_purge, [http_util]},
     {load_module, httpd_file,     soft_purge, soft_purge, []}, 
@@ -43,6 +50,7 @@
   }, 
   {"5.6", 
    [
+    {load_module, ftp,               soft_purge, soft_purge, []},
     {load_module, http_uri,          soft_purge, soft_purge, []},
     {load_module, httpd_util,        soft_purge, soft_purge, [http_util]},
     {load_module, httpd_file,        soft_purge, soft_purge, []}, 
@@ -80,8 +88,14 @@
   } 
  ],
  [
+  {"5.7.2",
+   [
+    {load_module, ftp, soft_purge, soft_purge, []}
+   ]
+  }, 
   {"5.7.1",
    [
+    {load_module, ftp,            soft_purge, soft_purge, []},
     {load_module, http_uri,       soft_purge, soft_purge, []},
     {load_module, http_util,      soft_purge, soft_purge, []},
     {load_module, httpd_util,     soft_purge, soft_purge, [http_util]},
@@ -92,7 +106,8 @@
    ]
   }, 
   {"5.7", 
-   [
+   [ 
+    {load_module, ftp,            soft_purge, soft_purge, []},
     {load_module, http_uri,       soft_purge, soft_purge, []},
     {load_module, httpd_util,     soft_purge, soft_purge, [http_util]},
     {load_module, httpd_file,     soft_purge, soft_purge, []}, 
@@ -105,6 +120,7 @@
   }, 
   {"5.6", 
    [
+    {load_module, ftp,              soft_purge, soft_purge, []},
     {load_module, http_uri,         soft_purge, soft_purge, []},
     {load_module, httpd_util,       soft_purge, soft_purge, [http_util]},
     {load_module, httpd_file,       soft_purge, soft_purge, []}, 
diff --git a/lib/inets/vsn.mk b/lib/inets/vsn.mk
index d294d0006e..e34500b3ab 100644
--- a/lib/inets/vsn.mk
+++ b/lib/inets/vsn.mk
@@ -18,7 +18,7 @@
 # %CopyrightEnd%
 
 APPLICATION = inets
-INETS_VSN   = 5.7.2
+INETS_VSN   = 5.7.3
 PRE_VSN     =
 APP_VSN     = "$(APPLICATION)-$(INETS_VSN)$(PRE_VSN)"
 
-- 
cgit v1.2.3


From 10014b400da456869449c2affe683ddd2e252d0c Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Tue, 3 Jan 2012 11:42:58 +0100
Subject: [inets/httpc] Fix the selection of session for keep-alive mode When
 selecting a session, the "state" of the session (specifically if the server
 has responded) was not taken into account. Attempting to fix this, a "state"
 field (actually available) has been added to the session record.

OTP-9847
---
 lib/inets/src/http_client/httpc_handler.erl  | 24 ++++++++++++++-----
 lib/inets/src/http_client/httpc_internal.hrl | 36 +++++++++++++++++++++-------
 lib/inets/src/http_client/httpc_manager.erl  | 29 ++++++++++++++++++++--
 lib/inets/src/inets_app/inets.appup.src      | 30 +++++++++++++++++++----
 lib/inets/vsn.mk                             |  2 +-
 5 files changed, 99 insertions(+), 22 deletions(-)

diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 587e24cc8d..8874304bd6 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -1403,7 +1403,9 @@ try_to_enable_pipeline_or_keep_alive(
     end.
 
 answer_request(#request{id = RequestId, from = From} = Request, Msg, 
-	       #state{timers = Timers, profile_name = ProfileName} = State) -> 
+	       #state{session      = Session, 
+		      timers       = Timers, 
+		      profile_name = ProfileName} = State) -> 
     ?hcrt("answer request", [{request, Request}, {msg, Msg}]),
     httpc_response:send(From, Msg),
     RequestTimers = Timers#timers.request_timers,
@@ -1412,12 +1414,22 @@ answer_request(#request{id = RequestId, from = From} = Request, Msg,
     Timer = {RequestId, TimerRef},
     cancel_timer(TimerRef, {timeout, Request#request.id}),
     httpc_manager:request_done(RequestId, ProfileName),
-
+    NewSession = maybe_make_session_available(ProfileName, Session), 
+    Timers2 = Timers#timers{request_timers = lists:delete(Timer, 
+							  RequestTimers)}, 
     State#state{request = Request#request{from = answer_sent},
-		timers = 
-		Timers#timers{request_timers =
-			      lists:delete(Timer, RequestTimers)}}.
-
+		session = NewSession, 
+		timers  = Timers2}.
+
+maybe_make_session_available(ProfileName, 
+			     #session{id        = SessionId, 
+				      available = false} = Session) ->
+    httpc_manager:update_session(ProfileName, SessionId, 
+				 #session.available, true),
+    Session#session{available = true};
+maybe_make_session_available(_ProfileName, Session) ->
+    Session.
+    
 cancel_timers(#timers{request_timers = ReqTmrs, queue_timer = QTmr}) ->
     cancel_timer(QTmr, timeout_queue),
     CancelTimer = fun({_, Timer}) -> cancel_timer(Timer, timeout) end, 
diff --git a/lib/inets/src/http_client/httpc_internal.hrl b/lib/inets/src/http_client/httpc_internal.hrl
index 1d8a5b6a92..3261061d61 100644
--- a/lib/inets/src/http_client/httpc_internal.hrl
+++ b/lib/inets/src/http_client/httpc_internal.hrl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 2005-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2012. All Rights Reserved.
 %%
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -112,17 +112,37 @@
 	}
        ).               
 
+
 -record(session,
 	{
-	  id,           % {{Host, Port}, HandlerPid}
-	  client_close, % true | false
-	  scheme,       % http (HTTP/TCP) | https (HTTP/SSL/TCP)
-	  socket,       % Open socket, used by connection
-	  socket_type,  % socket-type, used by connection
-	  queue_length = 1, % Current length of pipeline or keep-alive queue  
-	  type          % pipeline | keep_alive (wait for response before sending new request) 
+	  %% {{Host, Port}, HandlerPid}
+	  id, 
+
+	  %% true | false
+	  client_close, 
+
+	  %% http (HTTP/TCP) | https (HTTP/SSL/TCP)
+	  scheme, 
+
+	  %% Open socket, used by connection
+	  socket, 
+	  
+	  %% socket-type, used by connection
+	  socket_type,
+
+	  %% Current length of pipeline or keep-alive queue  
+	  queue_length = 1, 
+
+	  %% pipeline | keep_alive (wait for response before sending new request) 
+	  type, 
+
+	  %% true | false
+	  %% This will be true, when a response has been received for 
+	  %% the first request. See type above.
+	  available = false
 	 }).
 
+
 -record(http_cookie,
 	{
 	  domain,
diff --git a/lib/inets/src/http_client/httpc_manager.erl b/lib/inets/src/http_client/httpc_manager.erl
index 9015bf1ce2..d699f1e7d8 100644
--- a/lib/inets/src/http_client/httpc_manager.erl
+++ b/lib/inets/src/http_client/httpc_manager.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 2002-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2012. All Rights Reserved.
 %% 
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -34,6 +34,7 @@
 	 retry_request/2, 
 	 redirect_request/2,
 	 insert_session/2, 
+	 update_session/4, 
 	 delete_session/2, 
 	 set_options/2, 
 	 store_cookies/3,
@@ -192,6 +193,29 @@ insert_session(Session, ProfileName) ->
     ets:insert(SessionDbName, Session).
 
 
+%%--------------------------------------------------------------------
+%% Function: update_session(ProfileName, SessionId, Pos, Value) -> _
+%%	Session - #session{}
+%%      ProfileName - atom()
+%%
+%% Description: Update, only one field (Pos) of the session record
+%%              identified by the SessionId, the session information 
+%%              of the httpc manager table <ProfileName>_session_db. 
+%%              Intended to be called by the httpc request handler process.
+%%--------------------------------------------------------------------
+
+update_session(ProfileName, SessionId, Pos, Value) ->
+    SessionDbName = session_db_name(ProfileName), 
+    ?hcrt("insert session", 
+	  [{id,      SessionId}, 
+	   {pos,     Pos}, 
+	   {value,   Value}, 
+	   {profile, ProfileName}]),
+    ets:update_element(SessionDbName, SessionId, {Pos, Value}).
+
+
+
+
 %%--------------------------------------------------------------------
 %% Function: delete_session(SessionId, ProfileName) -> _
 %%	SessionId -  {{Host, Port}, HandlerPid}
@@ -679,6 +703,7 @@ select_session(Method, HostPort, Scheme, SessionType,
 			       scheme       = Scheme,
 			       queue_length = '$2',
 			       type         = SessionType,
+			       available    = true, 
 			       _            = '_'},
 	    %% {'_', {HostPort, '$1'}, false, Scheme, '_', '$2', SessionTyp}, 
 	    Candidates = ets:match(SessionDb, Pattern), 
@@ -716,7 +741,7 @@ pipeline_or_keep_alive(Request, HandlerPid, State) ->
 	    ets:insert(State#state.handler_db, {Request#request.id,
 						HandlerPid,
 						Request#request.from});
-	_  -> %timeout pipelining failed
+	_  -> % timeout pipelining failed
 	    start_handler(Request, State)
     end.
 
diff --git a/lib/inets/src/inets_app/inets.appup.src b/lib/inets/src/inets_app/inets.appup.src
index fb605351b4..9108faf197 100644
--- a/lib/inets/src/inets_app/inets.appup.src
+++ b/lib/inets/src/inets_app/inets.appup.src
@@ -1,7 +1,7 @@
 %% This is an -*- erlang -*- file.
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1999-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2012. All Rights Reserved.
 %%
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -18,6 +18,12 @@
 
 {"%VSN%",
  [
+  {"5.7.2",
+   [
+    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
+    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
+   ]
+  }, 
   {"5.7.1",
    [
     {load_module, http_uri,       soft_purge, soft_purge, []},
@@ -26,7 +32,9 @@
     {load_module, httpd_file,     soft_purge, soft_purge, []}, 
     {load_module, httpd_request,  soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}
+    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]},
+    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
+    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
    ]
   }, 
   {"5.7", 
@@ -38,7 +46,9 @@
     {load_module, httpc_cookie,   soft_purge, soft_purge, [http_util]}, 
     {load_module, http_util,      soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}
+    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]},
+    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
+    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
    ]
   }, 
   {"5.6", 
@@ -80,6 +90,12 @@
   } 
  ],
  [
+  {"5.7.2",
+   [
+    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
+    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
+   ]
+  }, 
   {"5.7.1",
    [
     {load_module, http_uri,       soft_purge, soft_purge, []},
@@ -88,7 +104,9 @@
     {load_module, httpd_file,     soft_purge, soft_purge, []}, 
     {load_module, httpd_request,  soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}
+    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]},
+    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
+    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
    ]
   }, 
   {"5.7", 
@@ -100,7 +118,9 @@
     {load_module, httpc_cookie,   soft_purge, soft_purge, [http_util]}, 
     {load_module, http_util,      soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}
+    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]},
+    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
+    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
    ]
   }, 
   {"5.6", 
diff --git a/lib/inets/vsn.mk b/lib/inets/vsn.mk
index d294d0006e..e34500b3ab 100644
--- a/lib/inets/vsn.mk
+++ b/lib/inets/vsn.mk
@@ -18,7 +18,7 @@
 # %CopyrightEnd%
 
 APPLICATION = inets
-INETS_VSN   = 5.7.2
+INETS_VSN   = 5.7.3
 PRE_VSN     =
 APP_VSN     = "$(APPLICATION)-$(INETS_VSN)$(PRE_VSN)"
 
-- 
cgit v1.2.3


From bf5246974e426a18f0f12895b6696ddd32f876de Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Tue, 3 Jan 2012 11:51:06 +0100
Subject: [inets] Add proper release notes for OTP-9847

---
 lib/inets/doc/src/notes.xml | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/lib/inets/doc/src/notes.xml b/lib/inets/doc/src/notes.xml
index de934b91ea..1ae8e3c325 100644
--- a/lib/inets/doc/src/notes.xml
+++ b/lib/inets/doc/src/notes.xml
@@ -4,7 +4,7 @@
 <chapter>
   <header>
     <copyright>
-      <year>2002</year><year>2011</year>
+      <year>2002</year><year>2012</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
@@ -32,6 +32,42 @@
     <file>notes.xml</file>
   </header>
   
+  <section><title>Inets 5.7.3</title>
+
+    <section><title>Improvements and New Features</title>
+    <p>-</p>
+
+<!--
+      <list>
+        <item>
+          <p>[httpc|httpd] Added support for IPv6 with ssl. </p>
+	  <p>Own Id: OTP-5566</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+<!--
+    <p>-</p>
+-->
+
+      <list>
+        <item>
+          <p>[httpc] Bad Keep Alive Mode. When selecting a session, 
+	  the "state" of the session (specifically if the server has 
+	  responded) was not taken into account. </p>
+          <p>Own Id: OTP-9847</p>
+        </item>
+
+      </list>
+    </section>
+  
+  </section> <!-- 5.7.3 -->
+
+
   <section><title>Inets 5.7.2</title>
     <section><title>Improvements and New Features</title>
     <p>-</p>
-- 
cgit v1.2.3


From 345ffc04c94d583ec829bacf2807fe1562b7f72c Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Wed, 4 Jan 2012 17:59:23 +0100
Subject: [inets/httpc] Add test case

Add a test case verifying the session selection.
Add some more use of the update_session function. Improved
verbosity printouts.

OTP-9847
---
 lib/inets/src/http_client/httpc_handler.erl |  18 +-
 lib/inets/src/http_client/httpc_manager.erl |   2 +-
 lib/inets/test/httpc_SUITE.erl              | 330 +++++++++++++++++++++++++++-
 3 files changed, 337 insertions(+), 13 deletions(-)

diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 8874304bd6..a88945898a 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -1181,7 +1181,7 @@ handle_pipeline(#state{status       = pipeline,
 
     case queue:out(State#state.pipeline) of
 	{empty, _} ->
-	    ?hcrd("epmty pipeline queue", []),
+	    ?hcrd("pipeline queue empty", []),
 	    
 	    %% The server may choose too teminate an idle pipeline
 	    %% in this case we want to receive the close message
@@ -1191,9 +1191,10 @@ handle_pipeline(#state{status       = pipeline,
 
 	    %% If a pipeline that has been idle for some time is not
 	    %% closed by the server, the client may want to close it.
-	    NewState   = activate_queue_timeout(TimeOut, State),
-	    NewSession = Session#session{queue_length = 0},
-	    httpc_manager:insert_session(NewSession, ProfileName),
+	    NewState = activate_queue_timeout(TimeOut, State),
+	    httpc_manager:update_session(ProfileName, 
+					 Session#session.id, 
+					 #session.queue_length, 0), 
 	    %% Note mfa will be initilized when a new request 
 	    %% arrives.
 	    {noreply, 
@@ -1203,6 +1204,7 @@ handle_pipeline(#state{status       = pipeline,
 			    headers     = undefined,
 			    body        = undefined}};
 	{{value, NextRequest}, Pipeline} ->    
+	    ?hcrd("pipeline queue non-empty", []),
 	    case lists:member(NextRequest#request.id, 
 			      State#state.canceled) of		
 		true ->
@@ -1257,7 +1259,7 @@ handle_keep_alive_queue(
 
     case queue:out(State#state.keep_alive) of
 	{empty, _} ->
-	    ?hcrd("empty keep_alive queue", []),
+	    ?hcrd("keep_alive queue empty", []),
 	    %% The server may choose too terminate an idle keep_alive session
 	    %% in this case we want to receive the close message
 	    %% at once and not when trying to send the next
@@ -1266,8 +1268,9 @@ handle_keep_alive_queue(
 	    %% If a keep_alive session has been idle for some time is not
 	    %% closed by the server, the client may want to close it.
 	    NewState = activate_queue_timeout(TimeOut, State),
-	    NewSession = Session#session{queue_length = 0},
-	    httpc_manager:insert_session(NewSession, ProfileName),
+	    httpc_manager:update_session(ProfileName, 
+					 Session#session.id, 
+					 #session.queue_length, 0),
 	    %% Note mfa will be initilized when a new request 
 	    %% arrives.
 	    {noreply, 
@@ -1279,6 +1282,7 @@ handle_keep_alive_queue(
 			   } 
 	    };
 	{{value, NextRequest}, KeepAlive} ->    
+	    ?hcrd("keep_alive queue non-empty", []),
 	    case lists:member(NextRequest#request.id, 
 			      State#state.canceled) of		
 		true ->
diff --git a/lib/inets/src/http_client/httpc_manager.erl b/lib/inets/src/http_client/httpc_manager.erl
index d699f1e7d8..4262abc5d0 100644
--- a/lib/inets/src/http_client/httpc_manager.erl
+++ b/lib/inets/src/http_client/httpc_manager.erl
@@ -206,7 +206,7 @@ insert_session(Session, ProfileName) ->
 
 update_session(ProfileName, SessionId, Pos, Value) ->
     SessionDbName = session_db_name(ProfileName), 
-    ?hcrt("insert session", 
+    ?hcrt("update session", 
 	  [{id,      SessionId}, 
 	   {pos,     Pos}, 
 	   {value,   Value}, 
diff --git a/lib/inets/test/httpc_SUITE.erl b/lib/inets/test/httpc_SUITE.erl
index be5d100ecc..63935a2352 100644
--- a/lib/inets/test/httpc_SUITE.erl
+++ b/lib/inets/test/httpc_SUITE.erl
@@ -90,6 +90,7 @@ all() ->
      parse_url, 
      options,
      headers_as_is, 
+     selecting_session, 
      {group, proxy}, 
      {group, ssl}, 
      {group, stream}, 
@@ -265,7 +266,7 @@ init_per_testcase(Case, Timeout, Config) ->
 
     %% inets:enable_trace(max, io, httpd),
     %% inets:enable_trace(max, io, httpc),
-    inets:enable_trace(max, io, all),
+    %% inets:enable_trace(max, io, all),
 
     NewConfig = 
 	case atom_to_list(Case) of
@@ -1807,6 +1808,7 @@ http_stream(Config) when is_list(Config) ->
 
 
 %%-------------------------------------------------------------------------
+
 http_stream_once(doc) ->
     ["Test the option stream for asynchrony requests"];
 http_stream_once(suite) ->
@@ -1814,12 +1816,12 @@ http_stream_once(suite) ->
 http_stream_once(Config) when is_list(Config) ->
     p("http_stream_once -> entry with"
       "~n   Config: ~p", [Config]),
-      
+
     p("http_stream_once -> set ipfamily to inet", []),
     ok = httpc:set_options([{ipfamily, inet}]),
     p("http_stream_once -> start dummy server", []),
     {DummyServerPid, Port} = dummy_server(ipv4),    
-    
+
     PortStr =  integer_to_list(Port),
     p("http_stream_once -> once", []),
     once(?URL_START ++ PortStr ++ "/once.html"),
@@ -1827,14 +1829,14 @@ http_stream_once(Config) when is_list(Config) ->
     once(?URL_START ++ PortStr ++ "/once_chunked.html"),
     p("http_stream_once -> dummy", []),
     once(?URL_START ++ PortStr ++ "/dummy.html"),
-    
+
     p("http_stream_once -> stop dummy server", []),
     DummyServerPid ! stop,
     p("http_stream_once -> set ipfamily to inet6fb4", []),
     ok = httpc:set_options([{ipfamily, inet6fb4}]), 
     p("http_stream_once -> done", []),
     ok.
-  
+
 once(URL) ->
     p("once -> issue sync request for ~p", [URL]),
     {ok, {{_,200,_}, [_ | _], Body}} = 
@@ -2032,6 +2034,7 @@ ipv6(SocketType, Scheme, HTTPOptions, Extra, Config) ->
 
 
 %%-------------------------------------------------------------------------
+
 headers_as_is(doc) ->
     ["Test the option headers_as_is"];
 headers_as_is(suite) ->
@@ -2049,6 +2052,321 @@ headers_as_is(Config) when is_list(Config) ->
 
 
 %%-------------------------------------------------------------------------
+
+selecting_session(doc) ->
+    ["Test selection of sessions - OTP-9847"];
+selecting_session(suite) ->
+    [];
+selecting_session(Config) when is_list(Config) ->
+    tsp("selecting_session -> entry with"
+	"~n   Config: ~p", [Config]),
+
+    tsp("selecting_session -> set ipfamily to inet"),
+    ok = httpc:set_options([{ipfamily, inet}]),
+
+    tsp("selecting_session -> start server"),
+    {ServerPid, Port} = otp_9847_server(),    
+
+    PortStr = integer_to_list(Port),
+    URL     = ?URL_START ++ PortStr ++ "/index.html",
+     
+    tsp("selecting_session -> issue the first batch (three) requests"),
+    lists:foreach(fun(P) -> 
+			  tsp("selecting_session:fun1 -> "
+			      "send stop request to ~p", [P]),
+			  P ! stop 
+		  end, 
+		  reqs(URL, ServerPid, 3, 3, false)),
+    tsp("selecting_session -> sleep some (1) to make sure nothing lingers"),
+    ?SLEEP(5000),
+    tsp("selecting_session -> "
+	"instruct the server to reply to the first request"),
+    ServerPid ! {answer, true}, 
+    receive
+	{answer, true} ->
+	    tsp("selecting_session -> "
+		"received ack from server to reply to the first request"),
+	    ok
+    end,
+    tsp("selecting_session -> issue the second batch (four) requests"),
+    lists:foreach(fun(P) -> 
+			  tsp("selecting_session:fun2 -> "
+			      "send stop request to ~p", [P]),
+			  P ! stop 
+		  end, 
+		  reqs(URL, ServerPid, 4, 1, true)),
+    tsp("selecting_session -> sleep some (2) to make sure nothing lingers"),
+    ?SLEEP(5000),
+
+    tsp("selecting_session -> stop server"),
+    ServerPid ! stop,
+    tsp("selecting_session -> set ipfamily (back) to inet6fb4"),
+    ok = httpc:set_options([{ipfamily, inet6fb4}]), 
+    tsp("selecting_session -> done"),
+    ok.
+
+reqs(URL, ServerPid, NumReqs, NumHandlers, InitialSync) ->
+    tsp("reqs -> entry with"
+	"~n   URL:         ~p"
+	"~n   ServerPid:   ~w"
+	"~n   NumReqs:     ~w"
+	"~n   NumHandlers: ~w"
+	"~n   InitialSync: ~w", 
+	[URL, ServerPid, NumReqs, NumHandlers, InitialSync]),
+    Handlers = reqs2(URL, NumReqs, [], InitialSync),
+    tsp("reqs -> "
+	"~n   Handlers: ~w", [Handlers]),
+    case length(Handlers) of
+	NumHandlers ->
+	    tsp("reqs -> "
+		"~n   NumHandlers: ~w", [NumHandlers]),
+	    ServerPid ! num_handlers, 
+	    receive
+		{num_handlers, NumHandlers} ->
+		    tsp("reqs -> received num_handlers with"
+			"~n   NumHandlers: ~w", [NumHandlers]),
+		    Handlers;
+		{num_handlers, WrongNumHandlers} ->
+		    tsp("reqs -> received num_handlers with"
+			"~n   WrongNumHandlers: ~w", [WrongNumHandlers]),
+		    exit({wrong_num_handlers1, WrongNumHandlers, NumHandlers})
+	    end;
+	WrongNumHandlers ->
+	    tsp("reqs -> "
+		"~n   WrongNumHandlers: ~w", [WrongNumHandlers]),
+	    exit({wrong_num_handlers2, WrongNumHandlers, NumHandlers})
+    end.
+	    
+
+reqs2(_URL, 0, Acc, _Sync) ->
+    lists:reverse(Acc);
+reqs2(URL, Num, Acc, Sync) ->
+    tsp("reqs2 -> entry with"
+	"~n   Num:  ~w"
+	"~n   Sync: ~w", [Num, Sync]),
+    case httpc:request(get, {URL, []}, [], [{sync, Sync}]) of
+	{ok, _Reply} ->
+	    tsp("reqs2 -> successful request: ~p", [_Reply]),
+	    receive
+		{handler, Handler, _Manager} ->
+		    %% This is when a new handler is created
+		    tsp("reqs2 -> received handler: ~p", [Handler]),
+		    case lists:member(Handler, Acc) of
+			true ->
+			    tsp("reqs2 -> duplicate handler"),
+			    exit({duplicate_handler, Handler, Num, Acc});
+			false ->
+			    tsp("reqs2 -> wait for data ack"),
+			    receive
+				{data_received, Handler} ->
+				    tsp("reqs2 -> "
+					"received data ack from ~p", [Handler]),
+				    case Sync of
+					true ->
+					    reqs2(URL, Num-1, [Handler|Acc], 
+						  false);
+					false ->
+					    reqs2(URL, Num-1, [Handler|Acc], 
+						  Sync)
+				    end
+			    end
+		    end;
+
+		{data_received, Handler} ->
+		    tsp("reqs2 -> "
+			"received data ack from ~p", [Handler]),
+		    reqs2(URL, Num-1, Acc, false)
+
+	    end;
+
+	{error, Reason} ->
+	    tsp("reqs2 -> request ~w failed: ~p", [Num, Reason]),
+	    exit({request_failed, Reason, Num, Acc})
+    end.
+
+otp_9847_server() ->
+    TC  = self(), 
+    Pid = spawn_link(fun() -> otp_9847_server_init(TC) end),
+    receive
+	{port, Port} ->
+	    {Pid, Port}
+    end.
+
+otp_9847_server_init(TC) ->
+    tsp("otp_9847_server_init -> entry with"
+	"~n   TC: ~p", [TC]),
+    {ok, ListenSocket} = 
+	gen_tcp:listen(0, [binary, inet, {packet, 0},
+			   {reuseaddr,true},
+			   {active, false}]),
+    tsp("otp_9847_server_init -> listen socket created: "
+	"~n   ListenSocket: ~p", [ListenSocket]),
+    {ok, Port} = inet:port(ListenSocket),
+    tsp("otp_9847_server_init -> Port: ~p", [Port]),
+    TC ! {port, Port},
+    otp_9847_server_main(TC, ListenSocket, false, []).
+
+otp_9847_server_main(TC, ListenSocket, Answer, Handlers) ->
+    tsp("otp_9847_server_main -> entry with"
+	"~n   TC:           ~p"
+	"~n   ListenSocket: ~p"
+	"~n   Answer:       ~p"
+	"~n   Handlers:     ~p", [TC, ListenSocket, Answer, Handlers]),
+    case gen_tcp:accept(ListenSocket, 1000) of
+	{ok, Sock} ->
+	    tsp("otp_9847_server_main -> accepted"
+		"~n   Sock: ~p", [Sock]),
+	    {Handler, Mon, Port} = otp_9847_handler(TC, Sock, Answer), 
+	    tsp("otp_9847_server_main -> handler ~p created for ~w", 
+		[Handler, Port]),
+	    gen_tcp:controlling_process(Sock, Handler),
+	    tsp("otp_9847_server_main -> control transfer"),
+	    Handler ! owner, 
+	    tsp("otp_9847_server_main -> "
+		"handler ~p informed of owner transfer", [Handler]),
+	    TC ! {handler, Handler, self()}, 
+	    tsp("otp_9847_server_main -> "
+		"TC ~p informed of handler ~p", [TC, Handler]),
+	    otp_9847_server_main(TC, ListenSocket, Answer, 
+				 [{Handler, Mon, Sock, Port}|Handlers]);
+
+	{error, timeout} ->
+	    tsp("otp_9847_server_main -> timeout"),
+	    receive 
+		{answer, true} ->
+		    tsp("otp_9847_server_main -> received answer request"),
+		    TC ! {answer, true}, 
+		    otp_9847_server_main(TC, ListenSocket, true, Handlers);
+
+		{'DOWN', _Mon, process, Pid, _Reason} ->
+		    %% Could be one of the handlers
+		    tsp("otp_9847_server_main -> received DOWN for ~p", [Pid]),
+		    otp_9847_server_main(TC, ListenSocket, Answer, 
+					 lists:keydelete(Pid, 1, Handlers));
+
+		num_handlers ->
+		    tsp("otp_9847_server_main -> "
+			"received request for number of handlers (~w)", 
+			[length(Handlers)]),
+		    TC ! {num_handlers, length(Handlers)}, 
+		    otp_9847_server_main(TC, ListenSocket, Answer, Handlers);
+
+		stop ->
+		    tsp("otp_9847_server_main -> received stop request"),
+		    %% Stop all handlers (just in case)
+		    Pids = [Handler || {Handler, _, _} <- Handlers], 
+		    lists:foreach(fun(Pid) -> Pid ! stop end, Pids),
+		    exit(normal);
+
+		Any ->
+		    tsp("otp_9847_server_main -> received"
+			"~n   Any: ~p", [Any]),
+		    exit({crap, Any})
+
+	    after 0 ->
+		    tsp("otp_9847_server_main -> nothing in queue"),
+		    otp_9847_server_main(TC, ListenSocket, Answer, Handlers)
+	    end;
+
+	Error ->
+	    exit(Error)
+    end.
+
+
+otp_9847_handler(TC, Sock, Answer) ->
+    tsp("otp_9847_handler -> entry with"
+	"~n   TC:     ~p" 
+	"~n   Sock:   ~p" 
+	"~n   Answer: ~p", [TC, Sock, Answer]),
+    Self = self(), 
+    {Pid, Mon} = 
+	spawn_opt(fun() -> 
+			  otp_9847_handler_init(TC, Self, Sock, Answer) 
+		  end, 
+		  [monitor]),
+    receive
+	{port, Port} ->
+	    tsp("otp_9847_handler -> received port message (from ~p)"
+		"~n   Port: ~p", [Pid, Port]),
+	    {Pid, Mon, Port}
+    end.
+    
+
+otp_9847_handler_init(TC, Server, Sock, Answer) ->
+    tsp("otp_9847_handler_init -> entry with"
+	"~n   TC:     ~p" 
+	"~n   Server: ~p" 
+	"~n   Sock:   ~p" 
+	"~n   Answer: ~p", [TC, Server, Sock, Answer]),
+    {ok, Port} = inet:port(Sock),
+    Server ! {port, Port},
+    receive 
+	owner ->
+	    tsp("otp_9847_handler_init -> "
+		"received owner message - activate socket"),
+	    inet:setopts(Sock, [{active, true}]),
+	    otp_9847_handler_main(TC, Server, Sock, Answer, [?HTTP_MAX_HEADER_SIZE])
+    end.
+    
+otp_9847_handler_main(TC, Server, Sock, Answer, ParseArgs) ->
+    tsp("otp_9847_handler_main -> entry with"
+	"~n   TC:        ~p" 
+	"~n   Server:    ~p" 
+	"~n   Sock:      ~p" 
+	"~n   Answer:    ~p"
+	"~n   ParseArgs: ~p", [TC, Server, Sock, Answer, ParseArgs]),
+    receive
+	stop ->
+	    tsp("otp_9847_handler_main -> received stop request"),
+	    exit(normal);
+
+	{tcp, Sock, _Data} when Answer =:= false ->
+	    tsp("otp_9847_handler_main -> received tcp data - no answer"),
+	    TC ! {data_received, self()}, 
+	    inet:setopts(Sock, [{active, true}]),
+	    %% Ignore all data
+	    otp_9847_handler_main(TC, Server, Sock, Answer, ParseArgs);
+
+	{tcp, Sock, Data} when Answer =:= true ->
+	    tsp("otp_9847_handler_main -> received tcp data - answer"),
+	    TC ! {data_received, self()}, 
+	    inet:setopts(Sock, [{active, true}]),
+	    NewParseArgs = otp_9847_handler_request(Sock, [Data|ParseArgs]), 
+	    otp_9847_handler_main(TC, Server, Sock, Answer, NewParseArgs);
+
+	{tcp_closed, Sock} ->
+	    tsp("otp_9847_handler_main -> received tcp socket closed"),
+	    exit(normal);
+
+	{tcp_error, Sock, Reason} ->
+	    tsp("otp_9847_handler_main -> socket error: ~p", [Reason]),
+	    (catch gen_tcp:close(Sock)),
+	    exit(normal)
+
+    %% after 30000 ->
+    %% 	    gen_tcp:close(Sock),
+    %% 	    exit(normal)
+    end.
+    
+otp_9847_handler_request(Sock, Args) ->
+    Msg = 
+	case httpd_request:parse(Args) of
+	    {ok, {_, "/index.html" = _RelUrl, _, _, _}} ->
+		B = 
+		    "<HTML><BODY>" ++ 
+		    "...some body part..." ++ 
+		    "</BODY></HTML>", 
+		Len = integer_to_list(length(B)), 
+		"HTTP/1.1 200 ok\r\n" ++
+		    "Content-Length:" ++ Len ++ "\r\n\r\n" ++ B
+	end,
+    gen_tcp:send(Sock, Msg),
+    [?HTTP_MAX_HEADER_SIZE].
+	    
+
+
+%%-------------------------------------------------------------------------
+
 options(doc) ->
     ["Test the option parameters."];
 options(suite) ->
@@ -2073,6 +2391,7 @@ options(Config) when is_list(Config) ->
 
 
 %%-------------------------------------------------------------------------
+
 http_invalid_http(doc) ->
     ["Test parse error"];
 http_invalid_http(suite) ->
@@ -2863,6 +3182,7 @@ otp_8739_dummy_server_main(_Parent, ListenSocket) ->
 	    exit(Error)
     end.
 
+
 %%-------------------------------------------------------------------------
 
 initial_server_connect(doc) ->
-- 
cgit v1.2.3


From 5edcd0d6372d73124e4160a2bbc5b81853642fc5 Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Thu, 5 Jan 2012 12:09:37 +0100
Subject: [inets/httpc] Add proper code change code

Added proper code to handle code upgrade/downgrade.
The manager and handler(s) are interdependant which
makes it a bit tricky.

OTP-9847
---
 lib/inets/src/http_client/httpc_handler.erl | 103 ++++++++++++++++++-------
 lib/inets/src/http_client/httpc_manager.erl |  65 +++++++++++++++-
 lib/inets/src/inets_app/inets.appup.src     | 114 +++++++---------------------
 3 files changed, 162 insertions(+), 120 deletions(-)

diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index a88945898a..4ae2275f70 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -295,7 +295,7 @@ handle_call(#request{address = Addr} = Request, _,
 					%% Queue + current
 					queue:len(NewPipeline) + 1,
 					client_close = ClientClose},
-		    httpc_manager:insert_session(NewSession, ProfileName),
+		    insert_session(NewSession, ProfileName),
 		    ?hcrd("session updated", []),
                     {reply, ok, State#state{pipeline = NewPipeline,
 					    session  = NewSession,
@@ -363,7 +363,7 @@ handle_call(#request{address = Addr} = Request, _,
 					%% Queue + current
 					queue:len(NewKeepAlive) + 1,
 					client_close = ClientClose},
-		    httpc_manager:insert_session(NewSession, ProfileName),
+		    insert_session(NewSession, ProfileName),
 		    ?hcrd("session updated", []),
                     {reply, ok, State#state{keep_alive = NewKeepAlive,
 					    session    = NewSession,
@@ -377,7 +377,7 @@ handle_call(#request{address = Addr} = Request, _,
 		    NewSession = 
 			Session#session{queue_length = 1,
 					client_close = ClientClose},
-		    httpc_manager:insert_session(NewSession, ProfileName),
+		    insert_session(NewSession, ProfileName),
 		    Relaxed = 
 			(Request#request.settings)#http_options.relaxed,
 		    MFA = {httpc_response, parse,
@@ -766,23 +766,52 @@ deliver_answer(Request) ->
 %% Func: code_change(_OldVsn, State, Extra) -> {ok, NewState}
 %% Purpose: Convert process state when code is changed
 %%--------------------------------------------------------------------
-%% code_change(_, #state{request = Request, pipeline = Queue} = State, 
-%% 	    [{from, '5.0.1'}, {to, '5.0.2'}]) ->
-%%     Settings = new_http_options(Request#request.settings),
-%%     NewRequest = Request#request{settings = Settings},
-%%     NewQueue = new_queue(Queue, fun new_http_options/1),
-%%     {ok, State#state{request = NewRequest, pipeline = NewQueue}};
-
-%% code_change(_, #state{request = Request, pipeline = Queue} = State, 
-%% 	    [{from, '5.0.2'}, {to, '5.0.1'}]) ->
-%%     Settings = old_http_options(Request#request.settings),
-%%     NewRequest = Request#request{settings = Settings},
-%%     NewQueue = new_queue(Queue, fun old_http_options/1),
-%%     {ok, State#state{request = NewRequest, pipeline = NewQueue}};
+
+code_change(_, 
+	    #state{session      = OldSession, 
+		   profile_name = ProfileName} = State, 
+	    upgrade_from_pre_5_7_3) ->
+    case OldSession of
+	{session, 
+	 Id, ClientClose, Scheme, Socket, SocketType, QueueLen, Type} ->
+	    NewSession = #session{id           = Id, 
+				  client_close = ClientClose, 
+				  scheme       = Scheme, 
+				  socket       = Socket, 
+				  socket_type  = SocketType,
+				  queue_length = QueueLen, 
+				  type         = Type}, 
+	    insert_session(NewSession, ProfileName), 
+	    {ok, State#state{session = NewSession}};
+	_ -> 
+	    {ok, State}
+    end;
+
+code_change(_, 
+	    #state{session      = OldSession, 
+		   profile_name = ProfileName} = State, 
+	    downgrade_to_pre_5_7_3) ->
+    case OldSession of
+	#session{id           = Id, 
+		 client_close = ClientClose, 
+		 scheme       = Scheme, 
+		 socket       = Socket, 
+		 socket_type  = SocketType,
+		 queue_length = QueueLen, 
+		 type         = Type} ->
+	    NewSession = {session, 
+			  Id, ClientClose, Scheme, Socket, SocketType, 
+			  QueueLen, Type},
+	    insert_session(NewSession, ProfileName), 
+	    {ok, State#state{session = NewSession}};
+	_ -> 
+	    {ok, State}
+    end;
 
 code_change(_, State, _) ->
     {ok, State}.
 
+
 %% new_http_options({http_options, TimeOut, AutoRedirect, SslOpts,
 %% 		  Auth, Relaxed}) ->
 %%     {http_options, "HTTP/1.1", TimeOut, AutoRedirect, SslOpts,
@@ -1192,9 +1221,7 @@ handle_pipeline(#state{status       = pipeline,
 	    %% If a pipeline that has been idle for some time is not
 	    %% closed by the server, the client may want to close it.
 	    NewState = activate_queue_timeout(TimeOut, State),
-	    httpc_manager:update_session(ProfileName, 
-					 Session#session.id, 
-					 #session.queue_length, 0), 
+	    update_session(ProfileName, Session, #session.queue_length, 0), 
 	    %% Note mfa will be initilized when a new request 
 	    %% arrives.
 	    {noreply, 
@@ -1220,7 +1247,7 @@ handle_pipeline(#state{status       = pipeline,
 			Session#session{queue_length =
 					%% Queue + current
 					queue:len(Pipeline) + 1},
-		    httpc_manager:insert_session(NewSession, ProfileName),
+		    insert_session(NewSession, ProfileName),
 		    Relaxed = 
 			(NextRequest#request.settings)#http_options.relaxed,
 		    MFA = {httpc_response, 
@@ -1268,9 +1295,7 @@ handle_keep_alive_queue(
 	    %% If a keep_alive session has been idle for some time is not
 	    %% closed by the server, the client may want to close it.
 	    NewState = activate_queue_timeout(TimeOut, State),
-	    httpc_manager:update_session(ProfileName, 
-					 Session#session.id, 
-					 #session.queue_length, 0),
+	    update_session(ProfileName, Session, #session.queue_length, 0),
 	    %% Note mfa will be initilized when a new request 
 	    %% arrives.
 	    {noreply, 
@@ -1392,10 +1417,10 @@ try_to_enable_pipeline_or_keep_alive(
 	    case (is_pipeline_enabled_client(Session) andalso 
 		  httpc_request:is_idempotent(Method)) of
 		true ->
-		    httpc_manager:insert_session(Session, ProfileName),
+		    insert_session(Session, ProfileName),
 		    State#state{status = pipeline};
 		false ->
-		    httpc_manager:insert_session(Session, ProfileName),
+		    insert_session(Session, ProfileName),
 		    %% Make sure type is keep_alive in session
 		    %% as it in this case might be pipeline
 		    NewSession = Session#session{type = keep_alive}, 
@@ -1426,10 +1451,8 @@ answer_request(#request{id = RequestId, from = From} = Request, Msg,
 		timers  = Timers2}.
 
 maybe_make_session_available(ProfileName, 
-			     #session{id        = SessionId, 
-				      available = false} = Session) ->
-    httpc_manager:update_session(ProfileName, SessionId, 
-				 #session.available, true),
+			     #session{available = false} = Session) ->
+    update_session(ProfileName, Session, #session.available, true),
     Session#session{available = true};
 maybe_make_session_available(_ProfileName, Session) ->
     Session.
@@ -1672,6 +1695,28 @@ send_raw(SocketType, Socket, ProcessBody, Acc) ->
     end.
 
 
+%% ---------------------------------------------------------------------
+%% Session wrappers
+%% ---------------------------------------------------------------------
+
+insert_session(Session, ProfileName) ->
+    httpc_manager:insert_session(Session, ProfileName).
+
+
+update_session(ProfileName, #session{id = SessionId} = Session, Pos, Value) ->
+    try
+	begin
+	    httpc_manager:update_session(ProfileName, SessionId, Pos, Value)
+	end
+    catch
+	error:undef -> % This could happen during code upgrade
+	    Session2 = erlang:setelement(Pos, Session, Value),
+	    insert_session(Session2, ProfileName)
+    end.
+
+
+%% ---------------------------------------------------------------------
+
 call(Msg, Pid) ->
     Timeout = infinity,
     call(Msg, Pid, Timeout).
diff --git a/lib/inets/src/http_client/httpc_manager.erl b/lib/inets/src/http_client/httpc_manager.erl
index 4262abc5d0..3d846c2bff 100644
--- a/lib/inets/src/http_client/httpc_manager.erl
+++ b/lib/inets/src/http_client/httpc_manager.erl
@@ -214,8 +214,6 @@ update_session(ProfileName, SessionId, Pos, Value) ->
     ets:update_element(SessionDbName, SessionId, {Pos, Value}).
 
 
-
-
 %%--------------------------------------------------------------------
 %% Function: delete_session(SessionId, ProfileName) -> _
 %%	SessionId -  {{Host, Port}, HandlerPid}
@@ -572,9 +570,70 @@ terminate(_, State) ->
 %% Func: code_change(_OldVsn, State, Extra) -> {ok, NewState}
 %% Purpose: Convert process state when code is changed
 %%--------------------------------------------------------------------
-code_change(_OldVsn, State, _Extra) ->
+code_change(_, 
+	    #state{session_db = SessionDB} = State, 
+	    upgrade_from_pre_5_7_3) ->
+    Upgrade = 
+	fun({session, 
+	     Id, ClientClose, Scheme, Socket, SocketType, QueueLen, Type}) ->
+		{ok, #session{id           = Id, 
+			      client_close = ClientClose, 
+			      scheme       = Scheme, 
+			      socket       = Socket, 
+			      socket_type  = SocketType,
+			      queue_length = QueueLen, 
+			      type         = Type}};
+	   (_) -> % Already upgraded (by handler)
+		ignore
+	end,
+    (catch update_session_table(SessionDB, Upgrade)),
+    {ok, State};
+
+code_change(_, 
+	    #state{session_db = SessionDB} = State, 
+	    downgrade_to_pre_5_7_3) ->
+    Downgrade = 
+	fun(#session{id           = Id, 
+		     client_close = ClientClose, 
+		     scheme       = Scheme, 
+		     socket       = Socket, 
+		     socket_type  = SocketType,
+		     queue_length = QueueLen, 
+		     type         = Type}) ->
+		{ok, {session, 
+		      Id, ClientClose, Scheme, Socket, SocketType, 
+		      QueueLen, Type}};
+	   (_) -> % Already downgraded (by handler)
+		ignore
+	end,
+    (catch update_session_table(SessionDB, Downgrade)),
+    {ok, State};
+
+code_change(_, State, _) ->
     {ok, State}.
 
+%% This function is to catch everything that calls through the cracks...
+update_session_table(SessionDB, Transform) ->
+    ets:safe_fixtable(SessionDB, true),
+    update_session_table(SessionDB, ets:first(SessionDB), Transform),
+    ets:safe_fixtable(SessionDB, false).
+
+update_session_table(_SessionDB, '$end_of_table', _Transform) ->
+    ok;
+update_session_table(SessionDB, Key, Transform) ->
+    case ets:lookup(SessionDB, Key) of
+	[OldSession] ->
+	    case Transform(OldSession) of
+		{ok, NewSession} -> 
+		    ets:insert(SessionDB, NewSession);
+		ignore ->
+		    ok
+	    end;
+	_ ->
+	    ok
+    end,
+    update_session_table(SessionDB, ets:next(SessionDB, Key), Transform).
+
 
 %%--------------------------------------------------------------------
 %% Internal functions
diff --git a/lib/inets/src/inets_app/inets.appup.src b/lib/inets/src/inets_app/inets.appup.src
index 9108faf197..0e5024abe2 100644
--- a/lib/inets/src/inets_app/inets.appup.src
+++ b/lib/inets/src/inets_app/inets.appup.src
@@ -20,8 +20,10 @@
  [
   {"5.7.2",
    [
-    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
+    {update, httpc_handler, {advanced, upgrade_from_pre_4_7_3}, 
+     soft_purge, soft_purge, []}, 
+    {update, httpc_manager, {advanced, upgrade_from_pre_4_7_3}, 
+     soft_purge, soft_purge, [httpc_handler]}
    ]
   }, 
   {"5.7.1",
@@ -33,8 +35,10 @@
     {load_module, httpd_request,  soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
     {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]},
-    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
+    {update, httpc_handler, {advanced, upgrade_from_pre_4_7_3}, 
+     soft_purge, soft_purge, []}, 
+    {update, httpc_manager, {advanced, upgrade_from_pre_4_7_3}, 
+     soft_purge, soft_purge, [httpc_handler]}
    ]
   }, 
   {"5.7", 
@@ -47,53 +51,20 @@
     {load_module, http_util,      soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
     {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]},
-    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
+    {update, httpc_handler, {advanced, upgrade_from_pre_4_7_3}, 
+     soft_purge, soft_purge, []}, 
+    {update, httpc_manager, {advanced, upgrade_from_pre_4_7_3}, 
+     soft_purge, soft_purge, [httpc_handler]}
    ]
-  }, 
-  {"5.6", 
-   [
-    {load_module, http_uri,          soft_purge, soft_purge, []},
-    {load_module, httpd_util,        soft_purge, soft_purge, [http_util]},
-    {load_module, httpd_file,        soft_purge, soft_purge, []}, 
-    {load_module, httpd_request,     soft_purge, soft_purge, []}, 
-    {load_module, httpc,             soft_purge, soft_purge, [httpc_manager]}, 
-    {load_module, http_transport,    soft_purge, soft_purge, [http_transport]},
-    {load_module, httpc_cookie,      soft_purge, soft_purge, [http_util]}, 
-    {load_module, http_util,         soft_purge, soft_purge, []}, 
-    {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}, 
-    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}, 
-    {update, ftp, soft, soft_purge,  soft_purge, []}
-   ]
-  }, 
-  {"5.5.2", 
-   [
-    {restart_application, inets}
-   ]
-  }, 
-  {"5.5.1", 
-   [
-    {restart_application, inets}
-   ]
-  }, 
-  {"5.5",
-   [
-    {restart_application, inets}
-   ]
-  }, 
-  {"5.4",
-   [
-    {restart_application, inets}
-   ]
-  } 
+  }
  ],
  [
   {"5.7.2",
    [
-    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
+    {update, httpc_handler, {advanced, downgrade_to_pre_4_7_3}, 
+     soft_purge, soft_purge, []}, 
+    {update, httpc_manager, {advanced, downgrade_to_pre_4_7_3}, 
+     soft_purge, soft_purge, [httpc_handler]}
    ]
   }, 
   {"5.7.1",
@@ -105,8 +76,10 @@
     {load_module, httpd_request,  soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
     {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]},
-    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
+    {update, httpc_handler, {advanced, downgrade_to_pre_4_7_3}, 
+     soft_purge, soft_purge, []}, 
+    {update, httpc_manager, {advanced, downgrade_to_pre_4_7_3}, 
+     soft_purge, soft_purge, [httpc_handler]}
    ]
   }, 
   {"5.7", 
@@ -119,46 +92,11 @@
     {load_module, http_util,      soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
     {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]},
-    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}
-   ]
-  }, 
-  {"5.6", 
-   [
-    {load_module, http_uri,         soft_purge, soft_purge, []},
-    {load_module, httpd_util,       soft_purge, soft_purge, [http_util]},
-    {load_module, httpd_file,       soft_purge, soft_purge, []}, 
-    {load_module, httpd_request,    soft_purge, soft_purge, []}, 
-    {load_module, httpc,            soft_purge, soft_purge, [httpc_manager]}, 
-    {load_module, http_transport,   soft_purge, soft_purge, [http_transport]},
-    {load_module, httpc_cookie,     soft_purge, soft_purge, [http_util]}, 
-    {load_module, http_util,        soft_purge, soft_purge, []}, 
-    {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}, 
-    {update, httpc_handler, soft,   soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,   soft_purge, soft_purge, [httpc_handler]}, 
-    {update, ftp, soft, soft_purge, soft_purge, []}
-   ]
-  }, 
-  {"5.5.2",
-   [
-    {restart_application, inets}
-   ]
-  },
-  {"5.5.1", 
-   [
-    {restart_application, inets}
-   ]
-  }, 
-  {"5.5",
-   [
-    {restart_application, inets}
-   ]
-  },     
-  {"5.4",
-   [
-    {restart_application, inets}
+    {update, httpc_handler, {advanced, downgrade_to_pre_4_7_3}, 
+     soft_purge, soft_purge, []}, 
+    {update, httpc_manager, {advanced, downgrade_to_pre_4_7_3}, 
+     soft_purge, soft_purge, [httpc_handler]}
    ]
-  }     
+  }
  ]
 }.
-- 
cgit v1.2.3


From aaf8fc6097d612f688ca6bc2374669e4f4a08a4d Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Fri, 13 Jan 2012 12:48:28 +0100
Subject: [inets/httpc] The client incorrectly streams 404 responses

The client incorrectly streams 404 responses. The documentation
specifies that only 200 and 206 responses shall be streamed.

OTP-9860
---
 lib/inets/doc/src/notes.xml                 | 37 ++++++++++-
 lib/inets/src/http_client/httpc_handler.erl | 15 ++---
 lib/inets/src/inets_app/inets.appup.src     | 96 ++++++-----------------------
 lib/inets/vsn.mk                            |  4 +-
 4 files changed, 60 insertions(+), 92 deletions(-)

diff --git a/lib/inets/doc/src/notes.xml b/lib/inets/doc/src/notes.xml
index de934b91ea..9d2400660e 100644
--- a/lib/inets/doc/src/notes.xml
+++ b/lib/inets/doc/src/notes.xml
@@ -4,7 +4,7 @@
 <chapter>
   <header>
     <copyright>
-      <year>2002</year><year>2011</year>
+      <year>2002</year><year>2012</year>
       <holder>Ericsson AB. All Rights Reserved.</holder>
     </copyright>
     <legalnotice>
@@ -32,6 +32,41 @@
     <file>notes.xml</file>
   </header>
   
+  <section><title>Inets 5.7.3</title>
+    <section><title>Improvements and New Features</title>
+    <p>-</p>
+
+<!--
+      <list>
+        <item>
+          <p>[httpc|httpd] Added support for IPv6 with ssl. </p>
+	  <p>Own Id: OTP-5566</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+
+    <section><title>Fixed Bugs and Malfunctions</title>
+<!--
+    <p>-</p>
+-->
+
+      <list>
+        <item>
+          <p>[httpc] The client incorrectly streams 404 responses. 
+	  The documentation specifies that only 200 and 206 responses 
+	  shall be streamed. </p>
+          <p>Own Id: OTP-9860</p>
+        </item>
+
+      </list>
+    </section>
+  
+  </section> <!-- 5.7.3 -->
+
+
   <section><title>Inets 5.7.2</title>
     <section><title>Improvements and New Features</title>
     <p>-</p>
diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 587e24cc8d..0f9e039643 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -157,12 +157,12 @@ info(Pid) ->
 %%              memory in vain.)
 %%--------------------------------------------------------------------
 %% Request should not be streamed
-stream(BodyPart, Request = #request{stream = none}, _) ->
+stream(BodyPart, #request{stream = none} = Request, _) ->
     ?hcrt("stream - none", []),
     {BodyPart, Request};
 
 %% Stream to caller
-stream(BodyPart, Request = #request{stream = Self}, Code) 
+stream(BodyPart, #request{stream = Self} = Request, Code) 
   when ((Code =:= 200) orelse  (Code =:= 206)) andalso 
        ((Self =:= self) orelse (Self =:= {self, once})) ->
     ?hcrt("stream - self", [{stream, Self}, {code, Code}]),
@@ -170,17 +170,10 @@ stream(BodyPart, Request = #request{stream = Self}, Code)
 			{Request#request.id, stream, BodyPart}),
     {<<>>, Request};
 
-stream(BodyPart, Request = #request{stream = Self}, 404) 
-  when (Self =:= self) orelse (Self =:= {self, once}) ->
-    ?hcrt("stream - self with 404", [{stream, Self}]),
-    httpc_response:send(Request#request.from, 
-			{Request#request.id, stream, BodyPart}),
-    {<<>>, Request};
-
 %% Stream to file
 %% This has been moved to start_stream/3
 %% We keep this for backward compatibillity...
-stream(BodyPart, Request = #request{stream = Filename}, Code)
+stream(BodyPart, #request{stream = Filename} = Request, Code)
   when ((Code =:= 200) orelse (Code =:= 206)) andalso is_list(Filename) -> 
     ?hcrt("stream - filename", [{stream, Filename}, {code, Code}]),
     case file:open(Filename, [write, raw, append, delayed_write]) of
@@ -192,7 +185,7 @@ stream(BodyPart, Request = #request{stream = Filename}, Code)
     end;
 
 %% Stream to file
-stream(BodyPart, Request = #request{stream = Fd}, Code)  
+stream(BodyPart, #request{stream = Fd} = Request, Code)  
   when ((Code =:= 200) orelse (Code =:= 206)) -> 
     ?hcrt("stream to file", [{stream, Fd}, {code, Code}]),
     case file:write(Fd, BodyPart) of
diff --git a/lib/inets/src/inets_app/inets.appup.src b/lib/inets/src/inets_app/inets.appup.src
index fb605351b4..6864558781 100644
--- a/lib/inets/src/inets_app/inets.appup.src
+++ b/lib/inets/src/inets_app/inets.appup.src
@@ -1,7 +1,7 @@
 %% This is an -*- erlang -*- file.
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 1999-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2012. All Rights Reserved.
 %%
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -18,6 +18,11 @@
 
 {"%VSN%",
  [
+  {"5.7.2",
+   [
+    {update, httpc_handler, soft, soft_purge, soft_purge, []} 
+   ]
+  }, 
   {"5.7.1",
    [
     {load_module, http_uri,       soft_purge, soft_purge, []},
@@ -26,7 +31,8 @@
     {load_module, httpd_file,     soft_purge, soft_purge, []}, 
     {load_module, httpd_request,  soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}
+    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}, 
+    {update, httpc_handler, soft, soft_purge, soft_purge, []} 
    ]
   }, 
   {"5.7", 
@@ -38,48 +44,17 @@
     {load_module, httpc_cookie,   soft_purge, soft_purge, [http_util]}, 
     {load_module, http_util,      soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}
-   ]
-  }, 
-  {"5.6", 
-   [
-    {load_module, http_uri,          soft_purge, soft_purge, []},
-    {load_module, httpd_util,        soft_purge, soft_purge, [http_util]},
-    {load_module, httpd_file,        soft_purge, soft_purge, []}, 
-    {load_module, httpd_request,     soft_purge, soft_purge, []}, 
-    {load_module, httpc,             soft_purge, soft_purge, [httpc_manager]}, 
-    {load_module, http_transport,    soft_purge, soft_purge, [http_transport]},
-    {load_module, httpc_cookie,      soft_purge, soft_purge, [http_util]}, 
-    {load_module, http_util,         soft_purge, soft_purge, []}, 
-    {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
     {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}, 
-    {update, httpc_handler, soft,    soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,    soft_purge, soft_purge, [httpc_handler]}, 
-    {update, ftp, soft, soft_purge,  soft_purge, []}
-   ]
-  }, 
-  {"5.5.2", 
-   [
-    {restart_application, inets}
-   ]
-  }, 
-  {"5.5.1", 
-   [
-    {restart_application, inets}
+    {update, httpc_handler, soft, soft_purge, soft_purge, []} 
    ]
-  }, 
-  {"5.5",
+  }
+ ],
+ [
+  {"5.7.2",
    [
-    {restart_application, inets}
+    {update, httpc_handler, soft, soft_purge, soft_purge, []} 
    ]
   }, 
-  {"5.4",
-   [
-    {restart_application, inets}
-   ]
-  } 
- ],
- [
   {"5.7.1",
    [
     {load_module, http_uri,       soft_purge, soft_purge, []},
@@ -88,7 +63,8 @@
     {load_module, httpd_file,     soft_purge, soft_purge, []}, 
     {load_module, httpd_request,  soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}
+    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}, 
+    {update, httpc_handler, soft, soft_purge, soft_purge, []} 
    ]
   }, 
   {"5.7", 
@@ -100,45 +76,9 @@
     {load_module, httpc_cookie,   soft_purge, soft_purge, [http_util]}, 
     {load_module, http_util,      soft_purge, soft_purge, []}, 
     {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
-    {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}
-   ]
-  }, 
-  {"5.6", 
-   [
-    {load_module, http_uri,         soft_purge, soft_purge, []},
-    {load_module, httpd_util,       soft_purge, soft_purge, [http_util]},
-    {load_module, httpd_file,       soft_purge, soft_purge, []}, 
-    {load_module, httpd_request,    soft_purge, soft_purge, []}, 
-    {load_module, httpc,            soft_purge, soft_purge, [httpc_manager]}, 
-    {load_module, http_transport,   soft_purge, soft_purge, [http_transport]},
-    {load_module, httpc_cookie,     soft_purge, soft_purge, [http_util]}, 
-    {load_module, http_util,        soft_purge, soft_purge, []}, 
-    {load_module, mod_responsecontrol, soft_purge, soft_purge, []},
     {load_module, httpd_response, soft_purge, soft_purge, [mod_responsecontrol]}, 
-    {update, httpc_handler, soft,   soft_purge, soft_purge, []}, 
-    {update, httpc_manager, soft,   soft_purge, soft_purge, [httpc_handler]}, 
-    {update, ftp, soft, soft_purge, soft_purge, []}
-   ]
-  }, 
-  {"5.5.2",
-   [
-    {restart_application, inets}
-   ]
-  },
-  {"5.5.1", 
-   [
-    {restart_application, inets}
-   ]
-  }, 
-  {"5.5",
-   [
-    {restart_application, inets}
-   ]
-  },     
-  {"5.4",
-   [
-    {restart_application, inets}
+    {update, httpc_handler, soft, soft_purge, soft_purge, []} 
    ]
-  }     
+  }
  ]
 }.
diff --git a/lib/inets/vsn.mk b/lib/inets/vsn.mk
index d294d0006e..50c7915cb2 100644
--- a/lib/inets/vsn.mk
+++ b/lib/inets/vsn.mk
@@ -2,7 +2,7 @@
 
 # %CopyrightBegin%
 # 
-# Copyright Ericsson AB 2001-2011. All Rights Reserved.
+# Copyright Ericsson AB 2001-2012. All Rights Reserved.
 # 
 # The contents of this file are subject to the Erlang Public License,
 # Version 1.1, (the "License"); you may not use this file except in
@@ -18,7 +18,7 @@
 # %CopyrightEnd%
 
 APPLICATION = inets
-INETS_VSN   = 5.7.2
+INETS_VSN   = 5.7.3
 PRE_VSN     =
 APP_VSN     = "$(APPLICATION)-$(INETS_VSN)$(PRE_VSN)"
 
-- 
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