diff options
Diffstat (limited to 'lib/inets/src/ftp/ftp.erl')
-rw-r--r-- | lib/inets/src/ftp/ftp.erl | 153 |
1 files changed, 116 insertions, 37 deletions
diff --git a/lib/inets/src/ftp/ftp.erl b/lib/inets/src/ftp/ftp.erl index 3028cd800f..fe25c23316 100644 --- a/lib/inets/src/ftp/ftp.erl +++ b/lib/inets/src/ftp/ftp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2011. All Rights Reserved. +%% Copyright Ericsson AB 1997-2012. 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 @@ -55,9 +55,10 @@ -include("ftp_internal.hrl"). %% Constante used in internal state definition --define(CONNECTION_TIMEOUT, 60*1000). --define(DEFAULT_MODE, passive). --define(PROGRESS_DEFAULT, ignore). +-define(CONNECTION_TIMEOUT, 60*1000). +-define(DATA_ACCEPT_TIMEOUT, infinity). +-define(DEFAULT_MODE, passive). +-define(PROGRESS_DEFAULT, ignore). %% Internal Constants -define(FTP_PORT, 21). @@ -88,7 +89,8 @@ %% data needed further on. caller = undefined, % term() ipfamily, % inet | inet6 | inet6fb4 - progress = ignore % ignore | pid() + progress = ignore, % ignore | pid() + dtimeout = ?DATA_ACCEPT_TIMEOUT % non_neg_integer() | infinity }). @@ -847,6 +849,7 @@ start_options(Options) -> %% host %% port %% timeout +%% dtimeout %% progress open_options(Options) -> ?fcrt("open_options", [{options, Options}]), @@ -875,7 +878,12 @@ open_options(Options) -> (_) -> false end, ValidateTimeout = - fun(Timeout) when is_integer(Timeout) andalso (Timeout > 0) -> true; + fun(Timeout) when is_integer(Timeout) andalso (Timeout >= 0) -> true; + (_) -> false + end, + ValidateDTimeout = + fun(DTimeout) when is_integer(DTimeout) andalso (DTimeout >= 0) -> true; + (infinity) -> true; (_) -> false end, ValidateProgress = @@ -893,6 +901,7 @@ open_options(Options) -> {port, ValidatePort, false, ?FTP_PORT}, {ipfamily, ValidateIpFamily, false, inet}, {timeout, ValidateTimeout, false, ?CONNECTION_TIMEOUT}, + {dtimeout, ValidateDTimeout, false, ?DATA_ACCEPT_TIMEOUT}, {progress, ValidateProgress, false, ?PROGRESS_DEFAULT}], validate_options(Options, ValidOptions, []). @@ -1037,13 +1046,15 @@ handle_call({_, {open, ip_comm, Opts}}, From, State) -> Mode = key_search(mode, Opts, ?DEFAULT_MODE), Port = key_search(port, Opts, ?FTP_PORT), Timeout = key_search(timeout, Opts, ?CONNECTION_TIMEOUT), + DTimeout = key_search(dtimeout, Opts, ?DATA_ACCEPT_TIMEOUT), Progress = key_search(progress, Opts, ignore), IpFamily = key_search(ipfamily, Opts, inet), - + State2 = State#state{client = From, mode = Mode, progress = progress(Progress), - ipfamily = IpFamily}, + ipfamily = IpFamily, + dtimeout = DTimeout}, ?fcrd("handle_call(open) -> setup ctrl connection with", [{host, Host}, {port, Port}, {timeout, Timeout}]), @@ -1064,11 +1075,13 @@ handle_call({_, {open, ip_comm, Host, Opts}}, From, State) -> Mode = key_search(mode, Opts, ?DEFAULT_MODE), Port = key_search(port, Opts, ?FTP_PORT), Timeout = key_search(timeout, Opts, ?CONNECTION_TIMEOUT), + DTimeout = key_search(dtimeout, Opts, ?DATA_ACCEPT_TIMEOUT), Progress = key_search(progress, Opts, ignore), State2 = State#state{client = From, mode = Mode, - progress = progress(Progress)}, + progress = progress(Progress), + dtimeout = DTimeout}, case setup_ctrl_connection(Host, Port, Timeout, State2) of {ok, State3, WaitTimeout} -> @@ -1657,9 +1670,19 @@ handle_ctrl_result({pos_compl, Lines}, %%-------------------------------------------------------------------------- %% Directory listing handle_ctrl_result({pos_prel, _}, #state{caller = {dir, Dir}} = State) -> - NewState = accept_data_connection(State), - activate_data_connection(NewState), - {noreply, NewState#state{caller = {handle_dir_result, Dir}}}; + case accept_data_connection(State) of + {ok, NewState} -> + activate_data_connection(NewState), + {noreply, NewState#state{caller = {handle_dir_result, Dir}}}; + {error, _Reason} = ERROR -> + case State#state.client of + undefined -> + {stop, ERROR, State}; + From -> + gen_server:reply(From, ERROR), + {stop, normal, State#state{client = undefined}} + end + end; handle_ctrl_result({pos_compl, _}, #state{caller = {handle_dir_result, Dir, Data}, client = From} @@ -1756,9 +1779,19 @@ handle_ctrl_result({Status, _}, %%-------------------------------------------------------------------------- %% File handling - recv_bin handle_ctrl_result({pos_prel, _}, #state{caller = recv_bin} = State) -> - NewState = accept_data_connection(State), - activate_data_connection(NewState), - {noreply, NewState}; + case accept_data_connection(State) of + {ok, NewState} -> + activate_data_connection(NewState), + {noreply, NewState}; + {error, _Reason} = ERROR -> + case State#state.client of + undefined -> + {stop, ERROR, State}; + From -> + gen_server:reply(From, ERROR), + {stop, normal, State#state{client = undefined}} + end + end; handle_ctrl_result({pos_compl, _}, #state{caller = {recv_bin, Data}, client = From} = State) -> @@ -1780,16 +1813,37 @@ handle_ctrl_result({Status, _}, #state{caller = {recv_bin, _}} = State) -> handle_ctrl_result({pos_prel, _}, #state{client = From, caller = start_chunk_transfer} = State) -> - NewState = accept_data_connection(State), - gen_server:reply(From, ok), - {noreply, NewState#state{chunk = true, client = undefined, - caller = undefined}}; + case accept_data_connection(State) of + {ok, NewState} -> + gen_server:reply(From, ok), + {noreply, NewState#state{chunk = true, client = undefined, + caller = undefined}}; + {error, _Reason} = ERROR -> + case State#state.client of + undefined -> + {stop, ERROR, State}; + From -> + gen_server:reply(From, ERROR), + {stop, normal, State#state{client = undefined}} + end + end; + %%-------------------------------------------------------------------------- %% File handling - recv_file handle_ctrl_result({pos_prel, _}, #state{caller = {recv_file, _}} = State) -> - NewState = accept_data_connection(State), - activate_data_connection(NewState), - {noreply, NewState}; + case accept_data_connection(State) of + {ok, NewState} -> + activate_data_connection(NewState), + {noreply, NewState}; + {error, _Reason} = ERROR -> + case State#state.client of + undefined -> + {stop, ERROR, State}; + From -> + gen_server:reply(From, ERROR), + {stop, normal, State#state{client = undefined}} + end + end; handle_ctrl_result({Status, _}, #state{caller = {recv_file, Fd}} = State) -> file_close(Fd), @@ -1800,17 +1854,38 @@ handle_ctrl_result({Status, _}, #state{caller = {recv_file, Fd}} = State) -> %% File handling - transfer_* handle_ctrl_result({pos_prel, _}, #state{caller = {transfer_file, Fd}} = State) -> - NewState = accept_data_connection(State), - send_file(Fd, NewState); + case accept_data_connection(State) of + {ok, NewState} -> + send_file(Fd, NewState); + {error, _Reason} = ERROR -> + case State#state.client of + undefined -> + {stop, ERROR, State}; + From -> + gen_server:reply(From, ERROR), + {stop, normal, State#state{client = undefined}} + end + end; handle_ctrl_result({pos_prel, _}, #state{caller = {transfer_data, Bin}} = State) -> - NewState = accept_data_connection(State), - send_data_message(NewState, Bin), - close_data_connection(NewState), - activate_ctrl_connection(NewState), - {noreply, NewState#state{caller = transfer_data_second_phase, - dsock = undefined}}; + case accept_data_connection(State) of + {ok, NewState} -> + send_data_message(NewState, Bin), + close_data_connection(NewState), + activate_ctrl_connection(NewState), + {noreply, NewState#state{caller = transfer_data_second_phase, + dsock = undefined}}; + {error, _Reason} = ERROR -> + case State#state.client of + undefined -> + {stop, ERROR, State}; + From -> + gen_server:reply(From, ERROR), + {stop, normal, State#state{client = undefined}} + end + end; + %%-------------------------------------------------------------------------- %% Default handle_ctrl_result({Status, Lines}, #state{client = From} = State) @@ -2006,16 +2081,20 @@ connect2(Host, Port, IpFam, Timeout) -> Error end. - -accept_data_connection(#state{mode = active, - dsock = {lsock, LSock}} = State) -> - {ok, Socket} = gen_tcp:accept(LSock), - gen_tcp:close(LSock), - State#state{dsock = Socket}; +accept_data_connection(#state{mode = active, + dtimeout = DTimeout, + dsock = {lsock, LSock}} = State) -> + case gen_tcp:accept(LSock, DTimeout) of + {ok, Socket} -> + gen_tcp:close(LSock), + {ok, State#state{dsock = Socket}}; + {error, Reason} -> + {error, {data_connect_failed, Reason}} + end; accept_data_connection(#state{mode = passive} = State) -> - State. + {ok, State}. send_ctrl_message(#state{csock = Socket, verbose = Verbose}, Message) -> %% io:format("send control message: ~n~p~n", [lists:flatten(Message)]), |