diff options
Diffstat (limited to 'lib/inets/src/http_server/httpd_request_handler.erl')
| -rw-r--r-- | lib/inets/src/http_server/httpd_request_handler.erl | 60 |
1 files changed, 49 insertions, 11 deletions
diff --git a/lib/inets/src/http_server/httpd_request_handler.erl b/lib/inets/src/http_server/httpd_request_handler.erl index b62c10bbc7..5e0bd39cb3 100644 --- a/lib/inets/src/http_server/httpd_request_handler.erl +++ b/lib/inets/src/http_server/httpd_request_handler.erl @@ -44,7 +44,9 @@ timeout, %% infinity | integer() > 0 timer, %% ref() - Request timer headers, %% #http_request_h{} - body %% binary() + body, %% binary() + data, %% The total data received in bits, checked after 10s + byte_limit %% Bit limit per second before kick out }). %%==================================================================== @@ -98,7 +100,6 @@ init([Manager, ConfigDB, AcceptTimeout]) -> [{socket_type, SocketType}, {socket, Socket}]), TimeOut = httpd_util:lookup(ConfigDB, keep_alive_timeout, 150000), - Then = erlang:now(), ?hdrd("negotiate", []), @@ -139,12 +140,11 @@ continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> mfa = MFA}, ?hdrt("activate request timeout", []), - NewState = activate_request_timeout(State), ?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). @@ -205,16 +205,25 @@ handle_info({Proto, Socket, 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 -> + undefined; + _ -> + State#state.data + byte_size(Data) + end, ?hdrt("data processed", [{processing_result, PROCESSED}]), - case PROCESSED of {ok, Result} -> ?hdrd("data processed", [{result, Result}]), - NewState = cancel_request_timeout(State), + NewState = case NewDataSize of + undefined -> + cancel_request_timeout(State); + _ -> + set_new_data_size(cancel_request_timeout(State), NewDataSize) + end, handle_http_msg(Result, NewState); {error, {uri_too_long, MaxSize}, Version} -> @@ -239,7 +248,12 @@ handle_info({Proto, Socket, Data}, NewMFA -> ?hdrd("data processed - reactivate socket", [{new_mfa, NewMFA}]), http_transport:setopts(SockType, Socket, [{active, once}]), - {noreply, State#state{mfa = NewMFA}} + case NewDataSize of + undefined -> + {noreply, State#state{mfa = NewMFA}}; + _ -> + {noreply, State#state{mfa = NewMFA, data = NewDataSize}} + end end; %% Error cases @@ -263,7 +277,22 @@ handle_info(timeout, #state{mod = ModData} = State) -> error_log("The client did not send the whole request before the " "server side timeout", ModData), {stop, normal, State#state{response_sent = true}}; - +handle_info(check_data_first, #state{data = Data, byte_limit = Byte_Limit} = State) -> + case Data >= (Byte_Limit*3) of + true -> + erlang:send_after(1000, self(), check_data), + {noreply, State#state{data = 0}}; + _ -> + {stop, normal, State#state{response_sent = true}} + end; +handle_info(check_data, #state{data = Data, byte_limit = Byte_Limit} = State) -> + case Data >= Byte_Limit of + true -> + erlang:send_after(1000, self(), check_data), + {noreply, State#state{data = 0}}; + _ -> + {stop, normal, State#state{response_sent = true}} + end; %% Default case handle_info(Info, #state{mod = ModData} = State) -> Error = lists:flatten( @@ -311,6 +340,8 @@ code_change(_OldVsn, State, _Extra) -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- +set_new_data_size(State, NewData) -> + State#state{data = NewData}. await_socket_ownership_transfer(AcceptTimeout) -> receive {socket_ownership_transfered, SocketType, Socket} -> @@ -603,7 +634,14 @@ 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) -> + case Byte_limit of + false -> + State#state{data = 0}; + Nr -> + erlang:send_after(3000, self(), check_data_first), + State#state{data = 0, byte_limit = Nr} + end. cancel_request_timeout(#state{timer = undefined} = State) -> State; cancel_request_timeout(#state{timer = Timer} = State) -> |