diff options
Diffstat (limited to 'lib/inets/src/http_server')
| -rw-r--r-- | lib/inets/src/http_server/Makefile | 3 | ||||
| -rw-r--r-- | lib/inets/src/http_server/httpd.erl | 218 | ||||
| -rw-r--r-- | lib/inets/src/http_server/httpd_acceptor.erl | 112 | ||||
| -rw-r--r-- | lib/inets/src/http_server/httpd_acceptor_sup.erl | 84 | ||||
| -rw-r--r-- | lib/inets/src/http_server/httpd_connection_sup.erl | 68 | ||||
| -rw-r--r-- | lib/inets/src/http_server/httpd_instance_sup.erl | 30 | ||||
| -rw-r--r-- | lib/inets/src/http_server/httpd_manager.erl | 725 | ||||
| -rw-r--r-- | lib/inets/src/http_server/httpd_request_handler.erl | 97 |
8 files changed, 379 insertions, 958 deletions
diff --git a/lib/inets/src/http_server/Makefile b/lib/inets/src/http_server/Makefile index 67555d5f1c..2660d04d16 100644 --- a/lib/inets/src/http_server/Makefile +++ b/lib/inets/src/http_server/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2005-2012. All Rights Reserved. +# Copyright Ericsson AB 2005-2013. 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 @@ -43,6 +43,7 @@ MODULES = \ httpd \ httpd_acceptor \ httpd_acceptor_sup \ + httpd_connection_sup\ httpd_cgi \ httpd_conf \ httpd_example \ diff --git a/lib/inets/src/http_server/httpd.erl b/lib/inets/src/http_server/httpd.erl index 93608dbf96..6052ae9022 100644 --- a/lib/inets/src/http_server/httpd.erl +++ b/lib/inets/src/http_server/httpd.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2010. All Rights Reserved. +%% Copyright Ericsson AB 1997-2013. 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 @@ -36,13 +36,6 @@ %% API -export([parse_query/1, reload_config/2, info/1, info/2, info/3]). -%% Internal debugging and status info stuff... --export([ - get_status/1, get_status/2, get_status/3, - get_admin_state/0, get_admin_state/1, get_admin_state/2, - get_usage_state/0, get_usage_state/1, get_usage_state/2 - ]). - %%%======================================================================== %%% API %%%======================================================================== @@ -296,136 +289,6 @@ make_name(Addr, Port) -> httpd_util:make_name("httpd", Addr, Port). -%%%-------------------------------------------------------------- -%%% Internal debug functions - Do we want these functions here!? -%%%-------------------------------------------------------------------- - -%%% ========================================================= -%%% Function: get_admin_state/0, get_admin_state/1, get_admin_state/2 -%%% get_admin_state() -%%% get_admin_state(Port) -%%% get_admin_state(Addr,Port) -%%% -%%% Returns: {ok,State} | {error,Reason} -%%% -%%% Description: This function is used to retrieve the administrative -%%% state of the HTTP server. -%%% -%%% Types: Port -> integer() -%%% Addr -> {A,B,C,D} | string() | undefined -%%% State -> unblocked | shutting_down | blocked -%%% Reason -> term() -%%% -get_admin_state() -> get_admin_state(undefined,8888). -get_admin_state(Port) when is_integer(Port) -> get_admin_state(undefined,Port); - -get_admin_state(ConfigFile) when is_list(ConfigFile) -> - case get_addr_and_port(ConfigFile) of - {ok,Addr,Port} -> - unblock(Addr,Port); - Error -> - Error - end. - -get_admin_state(Addr,Port) when is_integer(Port) -> - Name = make_name(Addr,Port), - case whereis(Name) of - Pid when is_pid(Pid) -> - httpd_manager:get_admin_state(Pid); - _ -> - {error,not_started} - end. - - - -%%% ========================================================= -%%% Function: get_usage_state/0, get_usage_state/1, get_usage_state/2 -%%% get_usage_state() -%%% get_usage_state(Port) -%%% get_usage_state(Addr,Port) -%%% -%%% Returns: {ok,State} | {error,Reason} -%%% -%%% Description: This function is used to retrieve the usage -%%% state of the HTTP server. -%%% -%%% Types: Port -> integer() -%%% Addr -> {A,B,C,D} | string() | undefined -%%% State -> idle | active | busy -%%% Reason -> term() -%%% -get_usage_state() -> get_usage_state(undefined,8888). -get_usage_state(Port) when is_integer(Port) -> get_usage_state(undefined,Port); - -get_usage_state(ConfigFile) when is_list(ConfigFile) -> - case get_addr_and_port(ConfigFile) of - {ok,Addr,Port} -> - unblock(Addr,Port); - Error -> - Error - end. - -get_usage_state(Addr,Port) when is_integer(Port) -> - Name = make_name(Addr,Port), - case whereis(Name) of - Pid when is_pid(Pid) -> - httpd_manager:get_usage_state(Pid); - _ -> - {error,not_started} - end. - - - -%%% ========================================================= -%% Function: get_status(ConfigFile) -> Status -%% get_status(Port) -> Status -%% get_status(Addr,Port) -> Status -%% get_status(Port,Timeout) -> Status -%% get_status(Addr,Port,Timeout) -> Status -%% -%% Arguments: ConfigFile -> string() -%% Configuration file from which Port and -%% BindAddress will be extracted. -%% Addr -> {A,B,C,D} | string() -%% Bind Address of the http server -%% Port -> integer() -%% Port number of the http server -%% Timeout -> integer() -%% Timeout time for the call -%% -%% Returns: Status -> list() -%% -%% Description: This function is used when the caller runs in the -%% same node as the http server or if calling with a -%% program such as erl_call (see erl_interface). -%% - -get_status(ConfigFile) when is_list(ConfigFile) -> - case get_addr_and_port(ConfigFile) of - {ok,Addr,Port} -> - get_status(Addr,Port); - Error -> - Error - end; - -get_status(Port) when is_integer(Port) -> - get_status(undefined,Port,5000). - -get_status(Port,Timeout) when is_integer(Port) andalso is_integer(Timeout) -> - get_status(undefined,Port,Timeout); - -get_status(Addr,Port) -> - get_status(Addr,Port,5000). - -get_status(Addr,Port,Timeout) when is_integer(Port) -> - Name = make_name(Addr,Port), - case whereis(Name) of - Pid when is_pid(Pid) -> - httpd_manager:get_status(Pid,Timeout); - _ -> - not_started - end. - do_reload_config(ConfigList, Mode) -> case (catch httpd_conf:validate_properties(ConfigList)) of {ok, Config} -> @@ -438,85 +301,6 @@ do_reload_config(ConfigList, Mode) -> Error end. - %%%-------------------------------------------------------------- %%% Deprecated %%%-------------------------------------------------------------- - -%% start() -> -%% start("/var/tmp/server_root/conf/8888.conf"). - -%% start(ConfigFile) -> -%% {ok, Pid} = inets:start(httpd, ConfigFile, stand_alone), -%% unlink(Pid), -%% {ok, Pid}. - -%% start_link() -> -%% start("/var/tmp/server_root/conf/8888.conf"). - -%% start_link(ConfigFile) when is_list(ConfigFile) -> -%% inets:start(httpd, ConfigFile, stand_alone). - -%% stop() -> -%% stop(8888). - -%% stop(Port) when is_integer(Port) -> -%% stop(undefined, Port); -%% stop(Pid) when is_pid(Pid) -> -%% old_stop(Pid); -%% stop(ConfigFile) when is_list(ConfigFile) -> -%% old_stop(ConfigFile). - -%% stop(Addr, Port) when is_integer(Port) -> -%% old_stop(Addr, Port). - -%% start_child() -> -%% start_child("/var/tmp/server_root/conf/8888.conf"). - -%% start_child(ConfigFile) -> -%% httpd_sup:start_child(ConfigFile). - -%% stop_child() -> -%% stop_child(8888). - -%% stop_child(Port) -> -%% stop_child(undefined, Port). - -%% stop_child(Addr, Port) when is_integer(Port) -> -%% httpd_sup:stop_child(Addr, Port). - -%% restart() -> reload(undefined, 8888). - -%% restart(Port) when is_integer(Port) -> -%% reload(undefined, Port). -%% restart(Addr, Port) -> -%% reload(Addr, Port). - -%% old_stop(Pid) when is_pid(Pid) -> -%% do_stop(Pid); -%% old_stop(ConfigFile) when is_list(ConfigFile) -> -%% case get_addr_and_port(ConfigFile) of -%% {ok, Addr, Port} -> -%% old_stop(Addr, Port); - -%% Error -> -%% Error -%% end; -%% old_stop(_StartArgs) -> -%% ok. - -%% old_stop(Addr, Port) when is_integer(Port) -> -%% Name = old_make_name(Addr, Port), -%% case whereis(Name) of -%% Pid when is_pid(Pid) -> -%% do_stop(Pid), -%% ok; -%% _ -> -%% not_started -%% end. - -%% do_stop(Pid) -> -%% exit(Pid, shutdown). - -%% old_make_name(Addr,Port) -> -%% httpd_util:make_name("httpd_instance_sup",Addr,Port). diff --git a/lib/inets/src/http_server/httpd_acceptor.erl b/lib/inets/src/http_server/httpd_acceptor.erl index 1bffcc1f12..e812bc76f5 100644 --- a/lib/inets/src/http_server/httpd_acceptor.erl +++ b/lib/inets/src/http_server/httpd_acceptor.erl @@ -21,13 +21,13 @@ -include("httpd.hrl"). -include("httpd_internal.hrl"). --include("inets_internal.hrl"). +%%-include("inets_internal.hrl"). %% Internal application API --export([start_link/6, start_link/7]). +-export([start_link/7, start_link/8]). %% Other exports (for spawn's etc.) --export([acceptor_init/7, acceptor_init/8, acceptor_loop/6]). +-export([acceptor_init/8, acceptor_init/9, acceptor_loop/8]). %% %% External API @@ -36,51 +36,52 @@ %% start_link start_link(Manager, SocketType, Addr, Port, IpFamily, ConfigDb, AcceptTimeout) -> - ?hdrd("start link", - [{manager, Manager}, - {socket_type, SocketType}, - {address, Addr}, - {port, Port}, - {timeout, AcceptTimeout}]), + %% ?hdrd("start link", + %% [{manager, Manager}, + %% {socket_type, SocketType}, + %% {address, Addr}, + %% {port, Port}, + %% {timeout, AcceptTimeout}]), Args = [self(), Manager, SocketType, Addr, Port, IpFamily, ConfigDb, AcceptTimeout], proc_lib:start_link(?MODULE, acceptor_init, Args). -start_link(Manager, SocketType, ListenSocket, IpFamily, ConfigDb, AcceptTimeout) -> - ?hdrd("start link", - [{manager, Manager}, - {socket_type, SocketType}, - {listen_socket, ListenSocket}, - {timeout, AcceptTimeout}]), - Args = [self(), Manager, SocketType, ListenSocket, IpFamily, +start_link(Manager, SocketType, Addr, Port, ListenSocket, IpFamily, ConfigDb, AcceptTimeout) -> + %% ?hdrd("start link", + %% [{manager, Manager}, + %% {socket_type, SocketType}, + %% {listen_socket, ListenSocket}, + %% {timeout, AcceptTimeout}]), + Args = [self(), Manager, SocketType, Addr, Port, ListenSocket, IpFamily, ConfigDb, AcceptTimeout], proc_lib:start_link(?MODULE, acceptor_init, Args). -acceptor_init(Parent, Manager, SocketType, {ListenOwner, ListenSocket}, IpFamily, +acceptor_init(Parent, Manager, SocketType, Addr, Port, {ListenOwner, ListenSocket}, IpFamily, ConfigDb, AcceptTimeout) -> - ?hdrd("acceptor init", - [{parent, Parent}, - {manager, Manager}, - {socket_type, SocketType}, - {listen_owner, ListenOwner}, - {listen_socket, ListenSocket}, - {timeout, AcceptTimeout}]), + %% ?hdrd("acceptor init", + %% [{parent, Parent}, + %% {manager, Manager}, + %% {socket_type, SocketType}, + %% {listen_owner, ListenOwner}, + %% {listen_socket, ListenSocket}, + %% {timeout, AcceptTimeout}]), link(ListenOwner), proc_lib:init_ack(Parent, {ok, self()}), - acceptor_loop(Manager, SocketType, ListenSocket, IpFamily, ConfigDb, AcceptTimeout). + acceptor_loop(Manager, SocketType, Addr, Port, + ListenSocket, IpFamily, ConfigDb, AcceptTimeout). acceptor_init(Parent, Manager, SocketType, Addr, Port, IpFamily, ConfigDb, AcceptTimeout) -> - ?hdrd("acceptor init", - [{parent, Parent}, - {manager, Manager}, - {socket_type, SocketType}, - {address, Addr}, - {port, Port}, - {timeout, AcceptTimeout}]), + %% ?hdrd("acceptor init", + %% [{parent, Parent}, + %% {manager, Manager}, + %% {socket_type, SocketType}, + %% {address, Addr}, + %% {port, Port}, + %% {timeout, AcceptTimeout}]), case (catch do_init(SocketType, Addr, Port, IpFamily)) of {ok, ListenSocket} -> proc_lib:init_ack(Parent, {ok, self()}), - acceptor_loop(Manager, SocketType, + acceptor_loop(Manager, SocketType, Addr, Port, ListenSocket, IpFamily,ConfigDb, AcceptTimeout); Error -> proc_lib:init_ack(Parent, Error), @@ -88,67 +89,68 @@ acceptor_init(Parent, Manager, SocketType, Addr, Port, IpFamily, end. do_init(SocketType, Addr, Port, IpFamily) -> - ?hdrt("do init", []), + %% ?hdrt("do init", []), do_socket_start(SocketType), ListenSocket = do_socket_listen(SocketType, Addr, Port, IpFamily), {ok, ListenSocket}. do_socket_start(SocketType) -> - ?hdrt("do socket start", []), + %% ?hdrt("do socket start", []), case http_transport:start(SocketType) of ok -> ok; {error, Reason} -> - ?hdrv("failed starting transport", [{reason, Reason}]), + %% ?hdrv("failed starting transport", [{reason, Reason}]), throw({error, {socket_start_failed, Reason}}) end. do_socket_listen(SocketType, Addr, Port, IpFamily) -> - ?hdrt("do socket listen", []), + %% ?hdrt("do socket listen", []), case http_transport:listen(SocketType, Addr, Port, IpFamily) of {ok, ListenSocket} -> ListenSocket; {error, Reason} -> - ?hdrv("listen failed", [{reason, Reason}, - {socket_type, SocketType}, - {addr, Addr}, - {port, Port}]), + %% ?hdrv("listen failed", [{reason, Reason}, + %% {socket_type, SocketType}, + %% {addr, Addr}, + %% {port, Port}]), throw({error, {listen, Reason}}) end. %% acceptor -acceptor_loop(Manager, SocketType, ListenSocket, IpFamily, ConfigDb, AcceptTimeout) -> - ?hdrd("awaiting accept", - [{manager, Manager}, - {socket_type, SocketType}, - {listen_socket, ListenSocket}, - {timeout, AcceptTimeout}]), +acceptor_loop(Manager, SocketType, Addr, Port, ListenSocket, IpFamily, ConfigDb, AcceptTimeout) -> + %% ?hdrd("awaiting accept", + %% [{manager, Manager}, + %% {socket_type, SocketType}, + %% {listen_socket, ListenSocket}, + %% {timeout, AcceptTimeout}]), case (catch http_transport:accept(SocketType, ListenSocket, 50000)) of {ok, Socket} -> - ?hdrv("accepted", [{socket, Socket}]), - handle_connection(Manager, ConfigDb, AcceptTimeout, + %% ?hdrv("accepted", [{socket, Socket}]), + handle_connection(Addr, Port, Manager, ConfigDb, AcceptTimeout, SocketType, Socket), - ?MODULE:acceptor_loop(Manager, SocketType, + ?MODULE:acceptor_loop(Manager, SocketType, Addr, Port, ListenSocket, IpFamily, ConfigDb,AcceptTimeout); {error, Reason} -> - ?hdri("accept failed", [{reason, Reason}]), + %% ?hdri("accept failed", [{reason, Reason}]), handle_error(Reason, ConfigDb), - ?MODULE:acceptor_loop(Manager, SocketType, ListenSocket, + ?MODULE:acceptor_loop(Manager, SocketType, Addr, Port, ListenSocket, IpFamily, ConfigDb, AcceptTimeout); {'EXIT', Reason} -> - ?hdri("accept exited", [{reason, Reason}]), + %% ?hdri("accept exited", [{reason, Reason}]), ReasonString = lists:flatten(io_lib:format("Accept exit: ~p", [Reason])), accept_failed(ConfigDb, ReasonString) end. -handle_connection(Manager, ConfigDb, AcceptTimeout, SocketType, Socket) -> - {ok, Pid} = httpd_request_handler:start(Manager, ConfigDb, AcceptTimeout), +handle_connection(Address, Port, Manager, ConfigDb, AcceptTimeout, SocketType, Socket) -> + Sup = httpd_connection_sup:connection_sup(Address, Port), + {ok, Pid} = httpd_connection_sup:start_child(Sup, [Manager, ConfigDb, AcceptTimeout]), http_transport:controlling_process(SocketType, Socket, Pid), httpd_request_handler:socket_ownership_transfered(Pid, SocketType, Socket). diff --git a/lib/inets/src/http_server/httpd_acceptor_sup.erl b/lib/inets/src/http_server/httpd_acceptor_sup.erl index df837b5a24..cc2b582b52 100644 --- a/lib/inets/src/http_server/httpd_acceptor_sup.erl +++ b/lib/inets/src/http_server/httpd_acceptor_sup.erl @@ -27,7 +27,8 @@ -behaviour(supervisor). %% API --export([start_link/2, start_acceptor/6, start_acceptor/7, stop_acceptor/2]). +-export([start_link/1]). +%%, start_acceptor/6, start_acceptor/7, stop_acceptor/2]). %% Supervisor callback -export([init/1]). @@ -35,63 +36,48 @@ %%%========================================================================= %%% API %%%========================================================================= -start_link(Addr, Port) -> +start_link([Addr, Port| _] = Args) -> SupName = make_name(Addr, Port), - supervisor:start_link({local, SupName}, ?MODULE, []). - -%%---------------------------------------------------------------------- -%% Function: [start|stop]_acceptor/5 -%% Description: Starts/stops an [auth | security] worker (child) process -%%---------------------------------------------------------------------- -start_acceptor(SocketType, Addr, Port, IpFamily, ConfigDb, AcceptTimeout) -> - start_worker(httpd_acceptor, SocketType, Addr, Port, IpFamily, - ConfigDb, AcceptTimeout, self(), []). -start_acceptor(SocketType, Addr, Port, IpFamily, ConfigDb, AcceptTimeout, ListenSocket) -> - start_worker(httpd_acceptor, SocketType, Addr, Port, IpFamily, - ConfigDb, AcceptTimeout, ListenSocket, self(), []). - - -stop_acceptor(Addr, Port) -> - stop_worker(httpd_acceptor, Addr, Port). + supervisor:start_link({local, SupName}, ?MODULE, [Args]). %%%========================================================================= %%% Supervisor callback %%%========================================================================= -init(_) -> - Flags = {one_for_one, 500, 100}, - Workers = [], - {ok, {Flags, Workers}}. +init([Args]) -> + RestartStrategy = one_for_one, + MaxR = 10, + MaxT = 3600, + Children = [child_spec(Args)], + {ok, {{RestartStrategy, MaxR, MaxT}, Children}}. %%%========================================================================= %%% Internal functions %%%========================================================================= +child_spec([Address, Port, ConfigList, AcceptTimeout, ListenInfo]) -> + Name = id(Address, Port), + Manager = httpd_util:make_name("httpd", Address, Port), + SockType = proplists:get_value(socket_type, ConfigList, ip_comm), + IpFamily = proplists:get_value(ipfamily, ConfigList, inet), + StartFunc = case ListenInfo of + undefined -> + {httpd_acceptor, start_link, [Manager, SockType, Address, Port, IpFamily, + httpd_util:make_name("httpd_conf", Address, Port), + AcceptTimeout]}; + _ -> + {httpd_acceptor, start_link, [Manager, SockType, Address, Port, ListenInfo, + IpFamily, + httpd_util:make_name("httpd_conf", Address, Port), + AcceptTimeout]} + end, + Restart = transient, + Shutdown = brutal_kill, + Modules = [httpd_acceptor], + Type = worker, + {Name, StartFunc, Restart, Shutdown, Type, Modules}. -make_name(Addr,Port) -> - httpd_util:make_name("httpd_acc_sup", Addr, Port). +id(Address, Port) -> + {httpd_acceptor_sup, Address, Port}. -start_worker(M, SocketType, Addr, Port, IpFamily, ConfigDB, AcceptTimeout, Manager, Modules) -> - SupName = make_name(Addr, Port), - Args = [Manager, SocketType, Addr, Port, IpFamily, ConfigDB, AcceptTimeout], - Spec = {{M, Addr, Port}, - {M, start_link, Args}, - permanent, timer:seconds(1), worker, [M] ++ Modules}, - supervisor:start_child(SupName, Spec). - -start_worker(M, SocketType, Addr, Port, IpFamily, ConfigDB, AcceptTimeout, ListenSocket, - Manager, Modules) -> - SupName = make_name(Addr, Port), - Args = [Manager, SocketType, ListenSocket, IpFamily, ConfigDB, AcceptTimeout], - Spec = {{M, Addr, Port}, - {M, start_link, Args}, - permanent, timer:seconds(1), worker, [M] ++ Modules}, - supervisor:start_child(SupName, Spec). +make_name(Addr,Port) -> + httpd_util:make_name("httpd_acceptor_sup", Addr, Port). -stop_worker(M, Addr, Port) -> - SupName = make_name(Addr, Port), - Name = {M, Addr, Port}, - case supervisor:terminate_child(SupName, Name) of - ok -> - supervisor:delete_child(SupName, Name); - Error -> - Error - end. diff --git a/lib/inets/src/http_server/httpd_connection_sup.erl b/lib/inets/src/http_server/httpd_connection_sup.erl new file mode 100644 index 0000000000..48c2d8f076 --- /dev/null +++ b/lib/inets/src/http_server/httpd_connection_sup.erl @@ -0,0 +1,68 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2008-2014. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% +%% +%%---------------------------------------------------------------------- +%% Purpose: Ssh connection supervisor. +%%---------------------------------------------------------------------- + +-module(httpd_connection_sup). + +-behaviour(supervisor). + +%% API +-export([start_link/1]). +-export([start_child/2, connection_sup/2]). + +%% Supervisor callback +-export([init/1]). + +%%%========================================================================= +%%% API +%%%========================================================================= +start_link(Args) -> + supervisor:start_link(?MODULE, [Args]). + +start_child(Sup, Args) -> + supervisor:start_child(Sup, Args). + +connection_sup(Addr, Port) -> + httpd_util:make_name("httpd_connection_sup", Addr, Port). + +%%%========================================================================= +%%% Supervisor callback +%%%========================================================================= +init([[Addr, Port]]) -> + RegName = connection_sup(Addr, Port), + register(RegName, self()), + RestartStrategy = simple_one_for_one, + MaxR = 0, + MaxT = 3600, + + Name = undefined, % As simple_one_for_one is used. + StartFunc = {httpd_request_handler, start_link, []}, + Restart = temporary, % E.g. should not be restarted + Shutdown = 4000, + Modules = [httpd_request_handler], + Type = worker, + + ChildSpec = {Name, StartFunc, Restart, Shutdown, Type, Modules}, + {ok, {{RestartStrategy, MaxR, MaxT}, [ChildSpec]}}. + + + diff --git a/lib/inets/src/http_server/httpd_instance_sup.erl b/lib/inets/src/http_server/httpd_instance_sup.erl index baa60d318c..b95be44b2a 100644 --- a/lib/inets/src/http_server/httpd_instance_sup.erl +++ b/lib/inets/src/http_server/httpd_instance_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2010. All Rights Reserved. +%% Copyright Ericsson AB 2001-2013. 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 @@ -100,7 +100,9 @@ start_link(ConfigFile, AcceptTimeout, ListenInfo, Debug) -> init([ConfigFile, ConfigList, AcceptTimeout, Debug, Address, Port]) -> httpd_util:enable_debug(Debug), Flags = {one_for_one, 0, 1}, - Children = [sup_spec(httpd_acceptor_sup, Address, Port), + Children = [httpd_connection_sup_spec(Address, Port), + httpd_acceptor_sup_spec(Address, Port, ConfigList, AcceptTimeout, + undefined), sup_spec(httpd_misc_sup, Address, Port), worker_spec(httpd_manager, Address, Port, ConfigFile, ConfigList,AcceptTimeout)], @@ -108,7 +110,9 @@ init([ConfigFile, ConfigList, AcceptTimeout, Debug, Address, Port]) -> init([ConfigFile, ConfigList, AcceptTimeout, Debug, Address, Port, ListenInfo]) -> httpd_util:enable_debug(Debug), Flags = {one_for_one, 0, 1}, - Children = [sup_spec(httpd_acceptor_sup, Address, Port), + Children = [httpd_connection_sup_spec(Address, Port), + httpd_acceptor_sup_spec(Address, Port, ConfigList, AcceptTimeout, + ListenInfo), sup_spec(httpd_misc_sup, Address, Port), worker_spec(httpd_manager, Address, Port, ListenInfo, ConfigFile, ConfigList, AcceptTimeout)], @@ -118,6 +122,24 @@ init([ConfigFile, ConfigList, AcceptTimeout, Debug, Address, Port, ListenInfo]) %%%========================================================================= %%% Internal functions %%%========================================================================= +httpd_connection_sup_spec(Address, Port) -> + Name = {httpd_connection_sup, Address, Port}, + StartFunc = {httpd_connection_sup, start_link, [[Address, Port]]}, + Restart = permanent, + Shutdown = 5000, + Modules = [httpd_connection_sup], + Type = supervisor, + {Name, StartFunc, Restart, Shutdown, Type, Modules}. + +httpd_acceptor_sup_spec(Address, Port, ConfigList, AcceptTimeout, ListenInfo) -> + Name = {httpd_acceptor_sup, Address, Port}, + StartFunc = {httpd_acceptor_sup, start_link, [[Address, Port, ConfigList, AcceptTimeout, ListenInfo]]}, + Restart = permanent, + Shutdown = infinity, + Modules = [httpd_acceptor_sup], + Type = supervisor, + {Name, StartFunc, Restart, Shutdown, Type, Modules}. + sup_spec(SupModule, Address, Port) -> Name = {SupModule, Address, Port}, StartFunc = {SupModule, start_link, [Address, Port]}, @@ -167,5 +189,3 @@ file_2_config(ConfigFile) -> Error -> Error end. - - diff --git a/lib/inets/src/http_server/httpd_manager.erl b/lib/inets/src/http_server/httpd_manager.erl index 00384fa108..e155498bb8 100644 --- a/lib/inets/src/http_server/httpd_manager.erl +++ b/lib/inets/src/http_server/httpd_manager.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2000-2013. All Rights Reserved. +%% Copyright Ericsson AB 2000-2014. 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 @@ -25,11 +25,11 @@ -behaviour(gen_server). %% Application internal API --export([start/2, start_link/2, start_link/3, start_link/4, stop/1, reload/2]). --export([new_connection/1, done_connection/1]). --export([config_lookup/2, config_lookup/3, - config_multi_lookup/2, config_multi_lookup/3, - config_match/2, config_match/3]). +-export([start/2, start_link/2, start_link/3, start_link/4, + stop/1, reload/2]). +-export([new_connection/1]). +-export([config_match/2, config_match/3]). +-export([block/2, block/3, unblock/1]). %% gen_server exports -export([init/1, @@ -37,34 +37,19 @@ terminate/2, code_change/3]). - -%% Management exports --export([block/2, block/3, unblock/1]). --export([get_admin_state/1, get_usage_state/1]). --export([is_busy/1,is_busy/2,is_busy_or_blocked/1,is_blocked/1]). %% ??????? --export([get_status/1, get_status/2]). - --export([c/1]). - -record(state,{socket_type = ip_comm, config_file, config_db = null, - connections, %% Current request handlers + connection_sup, admin_state = unblocked, blocker_ref = undefined, - blocking_tmr = undefined, + blocking_from = undefined, + shutdown_poller = undefined, status = []}). +%%%-------------------------------------------------------------------- +%%% Application internal API +%%%-------------------------------------------------------------------- - -%%TODO: Clean up this module! - -c(Port) -> - Ref = httpd_util:make_name("httpd",undefined,Port), - call(Ref, fake_close). - -%% -%% External API -%% %% Deprecated start(ConfigFile, ConfigList) -> Port = proplists:get_value(port,ConfigList,80), @@ -83,7 +68,8 @@ start_link(ConfigFile, ConfigList, AcceptTimeout) -> Name = make_name(Addr, Port), gen_server:start_link({local, Name},?MODULE, - [ConfigFile, ConfigList, AcceptTimeout, Addr, Port],[]). + [ConfigFile, ConfigList, + AcceptTimeout, Addr, Port],[]). start_link(ConfigFile, ConfigList, AcceptTimeout, ListenSocket) -> Port = proplists:get_value(port, ConfigList, 80), @@ -93,146 +79,33 @@ start_link(ConfigFile, ConfigList, AcceptTimeout, ListenSocket) -> gen_server:start_link({local, Name},?MODULE, [ConfigFile, ConfigList, AcceptTimeout, Addr, Port, ListenSocket],[]). - stop(ServerRef) -> call(ServerRef, stop). reload(ServerRef, Conf) -> call(ServerRef, {reload, Conf}). - -%%%---------------------------------------------------------------- - -block(ServerRef, disturbing) -> - call(ServerRef,block); - -block(ServerRef, non_disturbing) -> - do_block(ServerRef, non_disturbing, infinity). +block(ServerRef, Method) -> + block(ServerRef, Method, infinity). block(ServerRef, Method, Timeout) -> - do_block(ServerRef, Method, Timeout). - - -%% The reason for not using call here, is that the manager cannot -%% _wait_ for completion of the requests. It must be able to do -%% do other things at the same time as the blocking goes on. -do_block(ServerRef, Method, infinity) -> - Ref = make_ref(), - cast(ServerRef, {block, Method, infinity, self(), Ref}), - receive - {block_reply, Reply, Ref} -> - Reply - end; -do_block(ServerRef,Method,Timeout) when Timeout > 0 -> - Ref = make_ref(), - cast(ServerRef,{block,Method,Timeout,self(),Ref}), - receive - {block_reply,Reply,Ref} -> - Reply - end. - - -%%%---------------------------------------------------------------- - -%% unblock + call(ServerRef, {block, self(), Method, Timeout}). unblock(ServerRef) -> - call(ServerRef,unblock). - -%% get admin/usage state - -get_admin_state(ServerRef) -> - call(ServerRef,get_admin_state). - -get_usage_state(ServerRef) -> - call(ServerRef,get_usage_state). - - -%% get_status - -get_status(ServerRef) -> - gen_server:call(ServerRef,get_status). - -get_status(ServerRef,Timeout) -> - gen_server:call(ServerRef,get_status,Timeout). - -%% -%% Internal API -%% - - -%% new_connection + call(ServerRef,{unblock, self()}). new_connection(Manager) -> - gen_server:call(Manager, {new_connection, self()}, infinity). - -%% done - -done_connection(Manager) -> - gen_server:cast(Manager, {done_connection, self()}). - - -%% is_busy(ServerRef) -> true | false -%% -%% Tests if the server is (in usage state) busy, -%% i.e. has rached the heavy load limit. -%% - -is_busy(ServerRef) -> - gen_server:call(ServerRef,is_busy). - -is_busy(ServerRef,Timeout) -> - gen_server:call(ServerRef,is_busy,Timeout). - - -%% is_busy_or_blocked(ServerRef) -> busy | blocked | false -%% -%% Tests if the server is busy (usage state), i.e. has rached, -%% the heavy load limit, or blocked (admin state) . -%% - -is_busy_or_blocked(ServerRef) -> - gen_server:call(ServerRef,is_busy_or_blocked). - - -%% is_blocked(ServerRef) -> true | false -%% -%% Tests if the server is blocked (admin state) . -%% - -is_blocked(ServerRef) -> - gen_server:call(ServerRef,is_blocked). - - -%% -%% Module API. Theese functions are intended for use from modules only. -%% - -config_lookup(Port, Query) -> - config_lookup(undefined, Port, Query). -config_lookup(Addr, Port, Query) -> - Name = httpd_util:make_name("httpd",Addr,Port), - gen_server:call(whereis(Name), {config_lookup, Query}). - -config_multi_lookup(Port, Query) -> - config_multi_lookup(undefined,Port,Query). -config_multi_lookup(Addr,Port, Query) -> - Name = httpd_util:make_name("httpd",Addr,Port), - gen_server:call(whereis(Name), {config_multi_lookup, Query}). + call(Manager, {new_connection, self()}). config_match(Port, Pattern) -> config_match(undefined,Port,Pattern). config_match(Addr, Port, Pattern) -> Name = httpd_util:make_name("httpd",Addr,Port), - gen_server:call(whereis(Name), {config_match, Pattern}). - - -%% -%% Server call-back functions -%% - -%% init + call(whereis(Name), {config_match, Pattern}). +%%%-------------------------------------------------------------------- +%%% gen_server callbacks functions +%%%-------------------------------------------------------------------- init([ConfigFile, ConfigList, AcceptTimeout, Addr, Port]) -> process_flag(trap_exit, true), case (catch do_init(ConfigFile, ConfigList, AcceptTimeout, Addr, Port)) of @@ -263,47 +136,35 @@ init([ConfigFile, ConfigList, AcceptTimeout, Addr, Port, ListenInfo]) -> {ok, State} end. -do_init(ConfigFile, ConfigList, AcceptTimeout, Addr, Port) -> - IpFamily = proplists:get_value(ipfamily, ConfigList, inet6fb4), +do_init(ConfigFile, ConfigList, _AcceptTimeout, Addr, Port) -> + Sup = httpd_util:make_name("httpd_connection_sup", Addr, Port), NewConfigFile = proplists:get_value(file, ConfigList, ConfigFile), ConfigDB = do_initial_store(ConfigList), SocketType = httpd_conf:lookup_socket_type(ConfigDB), - case httpd_acceptor_sup:start_acceptor(SocketType, Addr, - Port, IpFamily, ConfigDB, AcceptTimeout) of - {ok, _Pid} -> - Status = [{max_conn, 0}, - {last_heavy_load, never}, - {last_connection, never}], + Status = [{max_conn, 0}, + {last_heavy_load, never}, + {last_connection, never}], State = #state{socket_type = SocketType, config_file = NewConfigFile, config_db = ConfigDB, - connections = [], + connection_sup = Sup, status = Status}, - {ok, State}; - Else -> - Else - end. + {ok, State}. -do_init(ConfigFile, ConfigList, AcceptTimeout, Addr, Port, ListenInfo) -> - IpFamily = proplists:get_value(ipfamily, ConfigList, inet6fb4), +do_init(ConfigFile, ConfigList, _AcceptTimeout, Addr, Port, _ListenInfo) -> + Sup = httpd_util:make_name("httpd_connection_sup", Addr, Port), NewConfigFile = proplists:get_value(file, ConfigList, ConfigFile), ConfigDB = do_initial_store(ConfigList), SocketType = httpd_conf:lookup_socket_type(ConfigDB), - case httpd_acceptor_sup:start_acceptor(SocketType, Addr, - Port, IpFamily, ConfigDB, - AcceptTimeout, ListenInfo) of - {ok, _Pid} -> - Status = [{max_conn,0}, {last_heavy_load,never}, - {last_connection,never}], + Status = [{max_conn,0}, {last_heavy_load,never}, + {last_connection,never}], State = #state{socket_type = SocketType, config_file = NewConfigFile, config_db = ConfigDB, - connections = [], + connection_sup = Sup, status = Status}, - {ok, State}; - Else -> - Else - end. + {ok, State}. + do_initial_store(ConfigList) -> case httpd_conf:store(ConfigList) of @@ -313,75 +174,14 @@ do_initial_store(ConfigList) -> throw({error, Reason}) end. - - -%% handle_call - handle_call(stop, _From, State) -> {stop, normal, ok, State}; -handle_call({config_lookup, Query}, _From, State) -> - Res = httpd_util:lookup(State#state.config_db, Query), - {reply, Res, State}; - -handle_call({config_multi_lookup, Query}, _From, State) -> - Res = httpd_util:multi_lookup(State#state.config_db, Query), - {reply, Res, State}; - handle_call({config_match, Query}, _From, State) -> Res = ets:match_object(State#state.config_db, Query), {reply, Res, State}; -handle_call(get_status, _From, State) -> - ManagerStatus = manager_status(self()), - S1 = [{current_conn,length(State#state.connections)}|State#state.status]++ - [ManagerStatus], - {reply,S1,State}; - -handle_call(is_busy, _From, State) -> - Reply = case get_ustate(State) of - busy -> - true; - _ -> - false - end, - {reply,Reply,State}; - -handle_call(is_busy_or_blocked, _From, State) -> - Reply = - case get_astate(State) of - unblocked -> - case get_ustate(State) of - busy -> - busy; - _ -> - false - end; - _ -> - blocked - end, - {reply,Reply,State}; - -handle_call(is_blocked, _From, State) -> - Reply = - case get_astate(State) of - unblocked -> - false; - _ -> - true - end, - {reply,Reply,State}; - -handle_call(get_admin_state, _From, State) -> - Reply = get_astate(State), - {reply,Reply,State}; - -handle_call(get_usage_state, _From, State) -> - Reply = get_ustate(State), - {reply,Reply,State}; - -handle_call({reload, Conf}, _From, State) - when State#state.admin_state =:= blocked -> +handle_call({reload, Conf}, _From, #state{admin_state = blocked} = State) -> case handle_reload(Conf, State) of {stop, Reply,S1} -> {stop, Reply, S1}; @@ -392,13 +192,32 @@ handle_call({reload, Conf}, _From, State) handle_call({reload, _}, _From, State) -> {reply,{error,{invalid_admin_state,State#state.admin_state}},State}; -handle_call(block, _From, State) -> - {Reply,S1} = handle_block(State), - {reply,Reply,S1}; +handle_call({block , Blocker, Mode, Timeout}, From, + #state{admin_state = unblocked, + connection_sup = CSup} = State) -> + Monitor = erlang:monitor(process, Blocker), + case count_children(CSup) of + 0 -> + %% Already in idle usage state => go directly to blocked + {reply, ok, State#state{admin_state = blocked, + blocker_ref = {Blocker, Monitor}, + blocking_from = From}}; + _ -> + handle_block(Mode, Timeout, + State#state{blocker_ref = {Blocker, Monitor}, + blocking_from = From}) + end; +handle_call({block , _, _, _}, _, State) -> + {reply, {error, blocked}, State}; + +handle_call({unblock, Blocker}, _, #state{blocker_ref = {Blocker,_}, + admin_state = blocked} = State) -> + + {reply, ok, + State#state{admin_state = unblocked, blocker_ref = undefined}}; -handle_call(unblock, {From,_Tag}, State) -> - {Reply,S1} = handle_unblock(State,From), - {reply, Reply, S1}; +handle_call({unblock, _}, _, State) -> + {reply, {error, only_blocker_may_unblock}, State}; handle_call({new_connection, Pid}, _From, State) -> {Status, NewState} = handle_new_connection(State, Pid), @@ -415,21 +234,6 @@ handle_call(Request, From, State) -> report_error(State,String), {reply, ok, State}. - -%% handle_cast - -handle_cast({done_connection, Pid}, State) -> - S1 = handle_done_connection(State, Pid), - {noreply, S1}; - -handle_cast({block, disturbing, Timeout, From, Ref}, State) -> - S1 = handle_block(State, Timeout, From, Ref), - {noreply,S1}; - -handle_cast({block, non_disturbing, Timeout, From, Ref}, State) -> - S1 = handle_nd_block(State, Timeout, From, Ref), - {noreply,S1}; - handle_cast(Message, State) -> String = lists:flatten( @@ -440,32 +244,51 @@ handle_cast(Message, State) -> report_error(State, String), {noreply, State}. -%% handle_info - -handle_info({block_timeout, Method}, State) -> - S1 = handle_block_timeout(State,Method), - {noreply, S1}; +handle_info(connections_terminated, #state{admin_state = shutting_down, + blocking_from = From} = State) -> + gen_server:reply(From, ok), + {noreply, State#state{admin_state = blocked, blocking_from = undefined, + blocker_ref = undefined}}; +handle_info(connections_terminated, State) -> + {noreply, State}; -handle_info({'DOWN', Ref, process, _Object, _Info}, State) -> - S1 = - case State#state.blocker_ref of - Ref -> - handle_blocker_exit(State); - _ -> - %% Not our blocker, so ignore - State - end, - {noreply, S1}; +handle_info({block_timeout, non_disturbing}, + #state{admin_state = shutting_down, + blocking_from = From, + blocker_ref = {_, Monitor}} = State) -> + erlang:demonitor(Monitor), + gen_server:reply(From, {error, timeout}), + {noreply, State#state{admin_state = unblocked, blocking_from = undefined, + blocker_ref = undefined}}; +handle_info({block_timeout, disturbing}, + #state{admin_state = shutting_down, + blocking_from = From, + blocker_ref = {_, Monitor}, + connection_sup = Sup} = State) -> + SupPid = whereis(Sup), + shutdown_connections(SupPid), + erlang:demonitor(Monitor), + gen_server:reply(From, ok), + {noreply, State#state{admin_state = blocked, blocker_ref = undefined, + blocking_from = undefined}}; +handle_info({block_timeout, _, _}, State) -> + {noreply, State}; + +handle_info({'DOWN', _, process, Pid, _Info}, + #state{admin_state = Admin, + blocker_ref = {Pid, _}} = State) when + Admin =/= unblocked -> + {noreply, State#state{admin_state = unblocked, + blocking_from = undefined, + blocker_ref = undefined}}; +handle_info({'DOWN', _, process, _, _}, State) -> + {noreply, State}; handle_info({'EXIT', _, normal}, State) -> {noreply, State}; -handle_info({'EXIT', _, blocked}, S) -> - {noreply, S}; - -handle_info({'EXIT', Pid, Reason}, State) -> - S1 = check_connections(State, Pid, Reason), - {noreply, S1}; +handle_info({'EXIT', _, shutdown}, State) -> + {stop, shutdown, State}; handle_info(Info, State) -> String = @@ -477,217 +300,66 @@ handle_info(Info, State) -> report_error(State, String), {noreply, State}. - -%% terminate - terminate(_, #state{config_db = Db}) -> httpd_conf:remove_all(Db), ok. - -%% code_change({down,ToVsn}, State, Extra) -%% - code_change({down,_ToVsn}, State, _Extra) -> {ok,State}; -%% code_change(FromVsn, State, Extra) -%% code_change(_FromVsn, State, _Extra) -> {ok,State}. - - -%% ------------------------------------------------------------------------- -%% check_connection -%% -%% -%% -%% - -check_connections(#state{connections = []} = State, _Pid, _Reason) -> - State; -check_connections(#state{connections = Connections} = State, Pid, _Reason) -> - State#state{connections = lists:delete(Pid, Connections)}. - - -%% ------------------------------------------------------------------------- -%% handle_[new | done]_connection -%% -%% -%% -%% - -handle_new_connection(State, Handler) -> +%%%-------------------------------------------------------------------- +%%% Internal functions +%%%-------------------------------------------------------------------- +handle_new_connection(#state{admin_state = AdminState} = State, Handler) -> UsageState = get_ustate(State), - AdminState = get_astate(State), handle_new_connection(UsageState, AdminState, State, Handler). -handle_new_connection(busy, unblocked, State, _Handler) -> - Status = update_heavy_load_status(State#state.status), - {{reject, busy}, - State#state{status = Status}}; - -handle_new_connection(_UsageState, unblocked, State, Handler) -> - Connections = State#state.connections, - Status = update_connection_status(State#state.status, - length(Connections)+1), - link(Handler), - {{ok, accept}, - State#state{connections = [Handler|Connections], status = Status}}; - -handle_new_connection(_UsageState, _AdminState, State, _Handler) -> - {{reject, blocked}, - State}. - -handle_done_connection(#state{admin_state = shutting_down, - connections = Connections} = State, Handler) -> - unlink(Handler), - case lists:delete(Handler, Connections) of - [] -> % Ok, block complete - demonitor_blocker(State#state.blocker_ref), - {Tmr,From,Ref} = State#state.blocking_tmr, - stop_block_tmr(Tmr), - From ! {block_reply,ok,Ref}, - State#state{admin_state = blocked, connections = [], - blocker_ref = undefined}; - Connections1 -> - State#state{connections = Connections1} - end; - -handle_done_connection(#state{connections = Connections} = State, Handler) -> - State#state{connections = lists:delete(Handler, Connections)}. - - -%% ------------------------------------------------------------------------- -%% handle_block -%% -%% -%% -%% -handle_block(#state{admin_state = AdminState} = S) -> - handle_block(S, AdminState). - -handle_block(S,unblocked) -> - %% Kill all connections - [kill_handler(Pid) || Pid <- S#state.connections], - {ok,S#state{connections = [], admin_state = blocked}}; -handle_block(S,blocked) -> - {ok,S}; -handle_block(S,shutting_down) -> - {{error,shutting_down},S}. - - -kill_handler(Pid) -> - exit(Pid, blocked). - -handle_block(S,Timeout,From,Ref) when Timeout >= 0 -> - do_block(S,Timeout,From,Ref); - -handle_block(S,Timeout,From,Ref) -> - Reply = {error,{invalid_block_request,Timeout}}, - From ! {block_reply,Reply,Ref}, - S. - -do_block(S,Timeout,From,Ref) -> - case S#state.connections of - [] -> - %% Already in idle usage state => go directly to blocked - From ! {block_reply,ok,Ref}, - S#state{admin_state = blocked}; +handle_new_connection(_UsageState, unblocked, + #state{config_db = Db, connection_sup = CSup} = + State, _) -> + Max = httpd_util:lookup(Db, max_clients), + case count_children(CSup) of + Count when Count =< Max -> + {{ok, accept}, State}; _ -> - %% Active or Busy usage state => go to shutting_down - %% Make sure we get to know if blocker dies... - MonitorRef = monitor_blocker(From), - Tmr = {start_block_tmr(Timeout,disturbing),From,Ref}, - S#state{admin_state = shutting_down, - blocker_ref = MonitorRef, blocking_tmr = Tmr} - end. - -handle_nd_block(S,infinity,From,Ref) -> - do_nd_block(S,infinity,From,Ref); - -handle_nd_block(S,Timeout,From,Ref) when Timeout >= 0 -> - do_nd_block(S,Timeout,From,Ref); - -handle_nd_block(S,Timeout,From,Ref) -> - Reply = {error,{invalid_block_request,Timeout}}, - From ! {block_reply,Reply,Ref}, - S. - -do_nd_block(S,Timeout,From,Ref) -> - case S#state.connections of - [] -> - %% Already in idle usage state => go directly to blocked - From ! {block_reply,ok,Ref}, - S#state{admin_state = blocked}; - _ -> - %% Active or Busy usage state => go to shutting_down - %% Make sure we get to know if blocker dies... - MonitorRef = monitor_blocker(From), - Tmr = {start_block_tmr(Timeout,non_disturbing),From,Ref}, - S#state{admin_state = shutting_down, - blocker_ref = MonitorRef, blocking_tmr = Tmr} - end. + {{reject, busy}, State} + end; -handle_block_timeout(S,Method) -> - %% Time to take this to the road... - demonitor_blocker(S#state.blocker_ref), - handle_block_timeout1(S,Method,S#state.blocking_tmr). - -handle_block_timeout1(S,non_disturbing,{_,From,Ref}) -> - From ! {block_reply,{error,timeout},Ref}, - S#state{admin_state = unblocked, - blocker_ref = undefined, blocking_tmr = undefined}; - -handle_block_timeout1(S,disturbing,{_,From,Ref}) -> - [exit(Pid,blocked) || Pid <- S#state.connections], - - From ! {block_reply,ok,Ref}, - S#state{admin_state = blocked, connections = [], - blocker_ref = undefined, blocking_tmr = undefined}; - -handle_block_timeout1(S,Method,{_,From,Ref}) -> - From ! {block_reply,{error,{unknown_block_method,Method}},Ref}, - S#state{admin_state = blocked, connections = [], - blocker_ref = undefined, blocking_tmr = undefined}; - -handle_block_timeout1(S, _Method, _TmrInfo) -> - S#state{admin_state = unblocked, - blocker_ref = undefined, blocking_tmr = undefined}. - -handle_unblock(S, FromA) -> - handle_unblock(S, FromA, S#state.admin_state). - -handle_unblock(S, _FromA, unblocked) -> - {ok,S}; -handle_unblock(S, FromA, _AdminState) -> - case S#state.blocking_tmr of - {Tmr,FromB,Ref} -> - %% Another process is trying to unblock - %% Inform the blocker - stop_block_tmr(Tmr), - FromB ! {block_reply, {error,{unblocked,FromA}},Ref}; - _ -> - ok - end, - {ok,S#state{admin_state = unblocked, blocking_tmr = undefined}}. - -%% The blocker died so we give up on the block. -handle_blocker_exit(S) -> - {Tmr,_From,_Ref} = S#state.blocking_tmr, - stop_block_tmr(Tmr), - S#state{admin_state = unblocked, - blocker_ref = undefined, blocking_tmr = undefined}. +handle_new_connection(_UsageState, _AdminState, State, _Handler) -> + {{reject, blocked}, State}. + +handle_block(disturbing, infinity, + #state{connection_sup = CSup, + blocking_from = From, + blocker_ref = {_, Monitor}} = State) -> + SupPid = whereis(CSup), + shutdown_connections(SupPid), + erlang:demonitor(Monitor), + gen_server:reply(From, ok), + {noreply, State#state{admin_state = blocked, blocker_ref = undefined, + blocking_from = undefined}}; +handle_block(disturbing, Timeout, #state{connection_sup = CSup} = State) -> + Manager = self(), + spawn_link(fun() -> wait_for_shutdown(CSup, Manager) end), + erlang:send_after(Timeout, self(), {block_timeout, disturbing}), + {noreply, State#state{admin_state = shutting_down}}; + +handle_block(non_disturbing, infinity, + #state{connection_sup = CSup} = State) -> + Manager = self(), + spawn_link(fun() -> wait_for_shutdown(CSup, Manager) end), + {noreply, State#state{admin_state = shutting_down}}; + +handle_block(non_disturbing, Timeout, + #state{connection_sup = CSup} = State) -> + Manager = self(), + spawn_link(fun() -> wait_for_shutdown(CSup, Manager) end), + erlang:send_after(Timeout, self(), {block_timeout, non_disturbing}), + {noreply, State#state{admin_state = shutting_down}}. - - -%% ------------------------------------------------------------------------- -%% handle_reload -%% -%% -%% -%% handle_reload(undefined, #state{config_file = undefined} = State) -> {continue, {error, undefined_config_file}, State}; handle_reload(undefined, #state{config_file = ConfigFile} = State) -> @@ -763,7 +435,7 @@ check_constant_values(Db, Config) -> %% Otherwise -> active %% get_ustate(State) -> - get_ustate(length(State#state.connections),State). + get_ustate(count_children(State#state.connection_sup),State). get_ustate(0,_State) -> idle; @@ -776,76 +448,6 @@ get_ustate(ConnectionCnt,State) -> active end. - -get_astate(S) -> S#state.admin_state. - - -%% Timer handling functions -start_block_tmr(infinity,_) -> - undefined; -start_block_tmr(T,M) -> - erlang:send_after(T,self(),{block_timeout,M}). - -stop_block_tmr(undefined) -> - ok; -stop_block_tmr(Ref) -> - erlang:cancel_timer(Ref). - - -%% Monitor blocker functions -monitor_blocker(Pid) when is_pid(Pid) -> - case (catch erlang:monitor(process,Pid)) of - {'EXIT', _Reason} -> - undefined; - MonitorRef -> - MonitorRef - end; -monitor_blocker(_) -> - undefined. - -demonitor_blocker(undefined) -> - ok; -demonitor_blocker(Ref) -> - (catch erlang:demonitor(Ref)). - - -%% Some status utility functions - -update_heavy_load_status(Status) -> - update_status_with_time(Status,last_heavy_load). - -update_connection_status(Status,ConnCount) -> - S1 = case lists:keysearch(max_conn,1,Status) of - {value, {max_conn, C1}} when ConnCount > C1 -> - lists:keyreplace(max_conn,1,Status,{max_conn,ConnCount}); - {value, {max_conn, _C2}} -> - Status; - false -> - [{max_conn, ConnCount} | Status] - end, - update_status_with_time(S1,last_connection). - -update_status_with_time(Status,Key) -> - lists:keyreplace(Key,1,Status,{Key,universal_time()}). - -universal_time() -> calendar:universal_time(). - -manager_status(P) -> - Items = [status, message_queue_len, reductions, - heap_size, stack_size], - {manager_status, process_status(P,Items,[])}. - - -process_status(P,[],L) -> - [{pid,P}|lists:reverse(L)]; -process_status(P,[H|T],L) -> - case (catch process_info(P,H)) of - {H, Value} -> - process_status(P,T,[{H,Value}|L]); - _ -> - process_status(P,T,[{H,undefined}|L]) - end. - make_name(Addr,Port) -> httpd_util:make_name("httpd",Addr,Port). @@ -856,10 +458,31 @@ report_error(State,String) -> mod_log:report_error(Cdb,String), mod_disk_log:report_error(Cdb,String). -%% -call(ServerRef,Request) -> - gen_server:call(ServerRef,Request). +call(ServerRef, Request) -> + try gen_server:call(ServerRef, Request, infinity) + catch + exit:_ -> + {error, closed} + end. + +count_children(Sup) -> + Children = supervisor:count_children(whereis(Sup)), + proplists:get_value(workers, Children). -cast(ServerRef,Message) -> - gen_server:cast(ServerRef,Message). +shutdown_connections(Sup) -> + Children = [Child || {_,Child,_,_} <- supervisor:which_children(Sup)], + lists:foreach(fun(Pid) -> exit(Pid, kill) end, + Children). + +wait_for_shutdown(CSup, Manager) -> + case count_children(CSup) of + 0 -> + Manager ! connections_terminated; + _ -> + receive + after 500 -> + ok + end, + wait_for_shutdown(CSup, Manager) + end. diff --git a/lib/inets/src/http_server/httpd_request_handler.erl b/lib/inets/src/http_server/httpd_request_handler.erl index ea7a17e40d..bd37066ff6 100644 --- a/lib/inets/src/http_server/httpd_request_handler.erl +++ b/lib/inets/src/http_server/httpd_request_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2012. All Rights Reserved. +%% Copyright Ericsson AB 1997-2013. 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 @@ -25,7 +25,7 @@ -behaviour(gen_server). %% Application internal API --export([start/2, start/3, socket_ownership_transfered/3]). +-export([start_link/2, start_link/3, socket_ownership_transfered/3]). %% gen_server callbacks -export([init/1, handle_call/3, handle_cast/2, handle_info/2, @@ -57,10 +57,10 @@ %% Description: Starts a httpd-request handler process. Intended to be %% called by the httpd acceptor process. %%-------------------------------------------------------------------- -start(Manager, ConfigDB) -> - start(Manager, ConfigDB, 15000). -start(Manager, ConfigDB, AcceptTimeout) -> - proc_lib:start(?MODULE, init, [[Manager, ConfigDB,AcceptTimeout]]). +start_link(Manager, ConfigDB) -> + start_link(Manager, ConfigDB, 15000). +start_link(Manager, ConfigDB, AcceptTimeout) -> + proc_lib:start_link(?MODULE, init, [[Manager, ConfigDB,AcceptTimeout]]). %%-------------------------------------------------------------------- @@ -87,34 +87,27 @@ socket_ownership_transfered(Pid, SocketType, Socket) -> %% gen_server provides is needed. %%-------------------------------------------------------------------- init([Manager, ConfigDB, AcceptTimeout]) -> - ?hdrd("initiate", - [{manager, Manager}, {cdb, ConfigDB}, {timeout, AcceptTimeout}]), + process_flag(trap_exit, true), %% Make sure this process terminates if the httpd manager process %% should die! - link(Manager), + %%link(Manager), %% At this point the function httpd_request_handler:start/2 will return. proc_lib:init_ack({ok, self()}), {SocketType, Socket} = await_socket_ownership_transfer(AcceptTimeout), - ?hdrd("socket ownership transfered", - [{socket_type, SocketType}, {socket, Socket}]), - + TimeOut = httpd_util:lookup(ConfigDB, keep_alive_timeout, 150000), Then = erlang:now(), - ?hdrd("negotiate", []), case http_transport:negotiate(SocketType, Socket, TimeOut) of - {error, Error} -> - ?hdrd("negotiation failed", [{error, Error}]), + {error, _Error} -> exit(shutdown); %% Can be 'normal'. ok -> - ?hdrt("negotiation successfull", []), NewTimeout = TimeOut - timer:now_diff(now(),Then) div 1000, continue_init(Manager, ConfigDB, SocketType, Socket, NewTimeout) end. continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> - ?hdrt("continue init", [{timeout, TimeOut}]), Resolve = http_transport:resolve(), Peername = httpd_socket:peername(SocketType, Socket), @@ -139,14 +132,10 @@ continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> max_keep_alive_request = NrOfRequest, mfa = MFA}, - ?hdrt("activate request timeout", []), - - ?hdrt("set socket options (binary, packet & active)", []), http_transport:setopts(SocketType, Socket, [binary, {packet, 0}, {active, once}]), NewState = data_receive_counter(activate_request_timeout(State), httpd_util:lookup(ConfigDB, minimum_bytes_per_second, false)), - ?hdrt("init done", []), - gen_server:enter_loop(?MODULE, [], NewState). + gen_server:enter_loop(?MODULE, [], NewState). %%==================================================================== @@ -195,18 +184,13 @@ handle_cast(Msg, #state{mod = ModData} = State) -> %% Description: Handling all non call/cast messages %%-------------------------------------------------------------------- handle_info({Proto, Socket, Data}, - #state{mfa = {Module, Function, Args} = MFA, + #state{mfa = {Module, Function, Args}, mod = #mod{socket_type = SockType, socket = Socket} = ModData} = State) when (((Proto =:= tcp) orelse (Proto =:= ssl) orelse (Proto =:= dummy)) andalso is_binary(Data)) -> - ?hdrd("received data", - [{data, Data}, {proto, Proto}, - {socket, Socket}, {socket_type, SockType}, {mfa, MFA}]), - -%% case (catch Module:Function([Data | Args])) of PROCESSED = (catch Module:Function([Data | Args])), NewDataSize = case State#state.byte_limit of undefined -> @@ -214,10 +198,8 @@ handle_info({Proto, Socket, Data}, _ -> State#state.data + byte_size(Data) end, - ?hdrt("data processed", [{processing_result, PROCESSED}]), case PROCESSED of {ok, Result} -> - ?hdrd("data processed", [{result, Result}]), NewState = case NewDataSize of undefined -> cancel_request_timeout(State); @@ -227,7 +209,6 @@ handle_info({Proto, Socket, Data}, handle_http_msg(Result, NewState); {error, {uri_too_long, MaxSize}, Version} -> - ?hdrv("uri too long", [{max_size, MaxSize}, {version, Version}]), NewModData = ModData#mod{http_version = Version}, httpd_response:send_status(NewModData, 414, "URI too long"), Reason = io_lib:format("Uri too long, max size is ~p~n", @@ -236,8 +217,6 @@ handle_info({Proto, Socket, Data}, {stop, normal, State#state{response_sent = true, mod = NewModData}}; {error, {header_too_long, MaxSize}, Version} -> - ?hdrv("header too long", - [{max_size, MaxSize}, {version, Version}]), NewModData = ModData#mod{http_version = Version}, httpd_response:send_status(NewModData, 413, "Header too long"), Reason = io_lib:format("Header too long, max size is ~p~n", @@ -246,7 +225,6 @@ handle_info({Proto, Socket, Data}, {stop, normal, State#state{response_sent = true, mod = NewModData}}; NewMFA -> - ?hdrd("data processed - reactivate socket", [{new_mfa, NewMFA}]), http_transport:setopts(SockType, Socket, [{active, once}]), case NewDataSize of undefined -> @@ -293,6 +271,10 @@ handle_info(check_data, #state{data = Data, byte_limit = Byte_Limit} = State) -> _ -> {stop, normal, State#state{response_sent = true}} end; + +handle_info({'EXIT', _, Reason}, State) -> + {stop, Reason, State}; + %% Default case handle_info(Info, #state{mod = ModData} = State) -> Error = lists:flatten( @@ -324,10 +306,8 @@ terminate(Reason, #state{response_sent = false, mod = ModData} = State) -> terminate(_Reason, State) -> do_terminate(State). -do_terminate(#state{mod = ModData, manager = Manager} = State) -> - catch httpd_manager:done_connection(Manager), +do_terminate(#state{mod = ModData} = State) -> cancel_request_timeout(State), - %% receive after 5000 -> ok end, httpd_socket:close(ModData#mod.socket_type, ModData#mod.socket). @@ -355,30 +335,24 @@ await_socket_ownership_transfer(AcceptTimeout) -> handle_http_msg({_, _, Version, {_, _}, _}, #state{status = busy, mod = ModData} = State) -> - ?hdrt("handle http msg when manager busy", [{mod, ModData}]), handle_manager_busy(State#state{mod = ModData#mod{http_version = Version}}), {stop, normal, State}; handle_http_msg({_, _, Version, {_, _}, _}, #state{status = blocked, mod = ModData} = State) -> - ?hdrt("handle http msg when manager blocket", [{mod, ModData}]), handle_manager_blocked(State#state{mod = ModData#mod{http_version = Version}}), {stop, normal, State}; handle_http_msg({Method, Uri, Version, {RecordHeaders, Headers}, Body}, #state{status = accept, mod = ModData} = State) -> - ?hdrt("handle http msg when manager accepting", - [{method, Method}, {mod, ModData}]), case httpd_request:validate(Method, Uri, Version) of ok -> - ?hdrt("request validated", []), {ok, NewModData} = httpd_request:update_mod_data(ModData, Method, Uri, Version, Headers), - ?hdrt("new mod data", [{mod, NewModData}]), case is_host_specified_if_required(NewModData#mod.absolute_uri, RecordHeaders, Version) of true -> @@ -392,23 +366,18 @@ handle_http_msg({Method, Uri, Version, {RecordHeaders, Headers}, Body}, {stop, normal, State#state{response_sent = true}} end; {error, {not_supported, What}} -> - ?hdrd("validation failed: not supported", [{what, What}]), httpd_response:send_status(ModData#mod{http_version = Version}, 501, {Method, Uri, Version}), Reason = io_lib:format("Not supported: ~p~n", [What]), error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}}; {error, {bad_request, {forbidden, URI}}} -> - ?hdrd("validation failed: bad request - forbidden", - [{uri, URI}]), httpd_response:send_status(ModData#mod{http_version = Version}, 403, URI), Reason = io_lib:format("Forbidden URI: ~p~n", [URI]), error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}}; {error, {bad_request, {malformed_syntax, URI}}} -> - ?hdrd("validation failed: bad request - malformed syntax", - [{uri, URI}]), httpd_response:send_status(ModData#mod{http_version = Version}, 400, URI), Reason = io_lib:format("Malformed syntax in URI: ~p~n", [URI]), @@ -417,12 +386,9 @@ handle_http_msg({Method, Uri, Version, {RecordHeaders, Headers}, Body}, end; handle_http_msg({ChunkedHeaders, Body}, State = #state{headers = Headers}) -> - ?hdrt("handle http msg", - [{chunked_headers, ChunkedHeaders}, {body, Body}]), NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), handle_response(State#state{headers = NewHeaders, body = Body}); handle_http_msg(Body, State) -> - ?hdrt("handle http msg", [{body, Body}]), handle_response(State#state{body = Body}). handle_manager_busy(#state{mod = #mod{config_db = ConfigDB}} = State) -> @@ -445,7 +411,6 @@ is_host_specified_if_required(_, _, _) -> true. handle_body(#state{mod = #mod{config_db = ConfigDB}} = State) -> - ?hdrt("handle body", []), MaxHeaderSize = max_header_size(ConfigDB), MaxBodySize = max_body_size(ConfigDB), @@ -459,34 +424,22 @@ handle_body(#state{mod = #mod{config_db = ConfigDB}} = State) -> handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, MaxHeaderSize, MaxBodySize) -> - ?hdrt("handle body", [{headers, Headers}, {body, Body}]), case Headers#http_request_h.'transfer-encoding' of "chunked" -> - ?hdrt("chunked - attempt decode", []), case http_chunk:decode(Body, MaxBodySize, MaxHeaderSize) of {Module, Function, Args} -> - ?hdrt("chunk decoded", - [{module, Module}, - {function, Function}, - {args, Args}]), http_transport:setopts(ModData#mod.socket_type, ModData#mod.socket, [{active, once}]), {noreply, State#state{mfa = {Module, Function, Args}}}; {ok, {ChunkedHeaders, NewBody}} -> - ?hdrt("chunk decoded", - [{chunked_headers, ChunkedHeaders}, - {new_body, NewBody}]), NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), - ?hdrt("chunked - headers handled", - [{new_headers, NewHeaders}]), handle_response(State#state{headers = NewHeaders, body = NewBody}) end; Encoding when is_list(Encoding) -> - ?hdrt("not chunked - encoding", [{encoding, Encoding}]), httpd_response:send_status(ModData, 501, "Unknown Transfer-Encoding"), Reason = io_lib:format("Unknown Transfer-Encoding: ~p~n", @@ -494,17 +447,12 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}}; _ -> - ?hdrt("not chunked", []), Length = list_to_integer(Headers#http_request_h.'content-length'), case ((Length =< MaxBodySize) or (MaxBodySize == nolimit)) of true -> case httpd_request:whole_body(Body, Length) of {Module, Function, Args} -> - ?hdrt("whole body", - [{module, Module}, - {function, Function}, - {args, Args}]), http_transport:setopts(ModData#mod.socket_type, ModData#mod.socket, [{active, once}]), @@ -512,15 +460,11 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, {Module, Function, Args}}}; {ok, NewBody} -> - ?hdrt("whole body", - [{new_body, NewBody}]), handle_response( State#state{headers = Headers, body = NewBody}) end; false -> - ?hdrd("body too long", - [{length, Length}, {max_body_size, MaxBodySize}]), httpd_response:send_status(ModData, 413, "Body too long"), error_log("Body too long", ModData), {stop, normal, State#state{response_sent = true}} @@ -582,8 +526,6 @@ handle_response(#state{body = Body, mod = ModData, headers = Headers, max_keep_alive_request = Max} = State) when Max > 0 -> - ?hdrt("handle response", - [{body, Body}, {mod, ModData}, {headers, Headers}, {max, Max}]), {NewBody, Data} = httpd_request:body_data(Headers, Body), ok = httpd_response:generate_and_send_response( ModData#mod{entity_body = NewBody}), @@ -592,8 +534,6 @@ handle_response(#state{body = Body, handle_response(#state{body = Body, headers = Headers, mod = ModData} = State) -> - ?hdrt("handle response", - [{body, Body}, {mod, ModData}, {headers, Headers}]), {NewBody, _} = httpd_request:body_data(Headers, Body), ok = httpd_response:generate_and_send_response( ModData#mod{entity_body = NewBody}), @@ -601,7 +541,6 @@ handle_response(#state{body = Body, handle_next_request(#state{mod = #mod{connection = true} = ModData, max_keep_alive_request = Max} = State, Data) -> - ?hdrt("handle next request", [{max, Max}]), NewModData = #mod{socket_type = ModData#mod.socket_type, socket = ModData#mod.socket, @@ -630,11 +569,9 @@ handle_next_request(#state{mod = #mod{connection = true} = ModData, end; handle_next_request(State, _) -> - ?hdrt("handle next request - stop", []), {stop, normal, State}. activate_request_timeout(#state{timeout = Time} = State) -> - ?hdrt("activate request timeout", [{time, Time}]), Ref = erlang:send_after(Time, self(), timeout), State#state{timer = Ref}. data_receive_counter(State, Byte_limit) -> |