diff options
37 files changed, 761 insertions, 365 deletions
diff --git a/OTP_VERSION b/OTP_VERSION index 0ffaf17a11..b09651c1d0 100644 --- a/OTP_VERSION +++ b/OTP_VERSION @@ -1 +1 @@ -20.0.4 +20.0.5 diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index 5afac46d21..2465f49581 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -432,6 +432,16 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code> <seealso marker="#binary_to_atom/2"><c>binary_to_atom/2</c></seealso>, but the atom must exist.</p> <p>Failure: <c>badarg</c> if the atom does not exist.</p> + <note> + <p>Note that the compiler may optimize away atoms. For + example, the compiler will rewrite + <c>atom_to_list(some_atom)</c> to <c>"some_atom"</c>. If + that expression is the only mention of the atom + <c>some_atom</c> in the containing module, the atom will not + be created when the module is loaded, and a subsequent call + to <c>binary_to_existing_atom(<<"some_atom">>, utf8)</c> + will fail.</p> + </note> </desc> </func> @@ -2478,6 +2488,15 @@ os_prompt%</pre> but only if there already exists such atom.</p> <p>Failure: <c>badarg</c> if there does not already exist an atom whose text representation is <c><anno>String</anno></c>.</p> + <note> + <p>Note that the compiler may optimize away atoms. For + example, the compiler will rewrite + <c>atom_to_list(some_atom)</c> to <c>"some_atom"</c>. If + that expression is the only mention of the atom + <c>some_atom</c> in the containing module, the atom will not + be created when the module is loaded, and a subsequent call + to <c>list_to_existing_atom("some_atom")</c> will fail.</p> + </note> </desc> </func> diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index f6bc6e984b..139057adb7 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -31,6 +31,27 @@ </header> <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 9.0.5</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fixed bug in <c>binary_to_term</c> and + <c>binary_to_atom</c> that could cause VM crash. + Typically happens when the last character of an UTF8 + string is in the range 128 to 255, but truncated to only + one byte. Bug exists in <c>binary_to_term</c> since ERTS + version 5.10.2 (OTP_R16B01) and <c>binary_to_atom</c> + since ERTS version 9.0 (OTP-20.0).</p> + <p> + Own Id: OTP-14590 Aux Id: ERL-474 </p> + </item> + </list> + </section> + +</section> + <section><title>Erts 9.0.4</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/erts/emulator/drivers/unix/ttsl_drv.c b/erts/emulator/drivers/unix/ttsl_drv.c index f3c1aa1c4a..2a508b02eb 100644 --- a/erts/emulator/drivers/unix/ttsl_drv.c +++ b/erts/emulator/drivers/unix/ttsl_drv.c @@ -936,10 +936,10 @@ static int put_chars(byte *s, int l) int n; n = insert_buf(s, l); + if (lpos > llen) + llen = lpos; if (n > 0) write_buf(lbuf + lpos - n, n); - if (lpos > llen) - llen = lpos; return TRUE; } @@ -1016,7 +1016,7 @@ static int del_chars(int n) outc(' '); move_left(1); } - move_cursor(llen + l, lpos); + move_cursor(llen + gcs, lpos); } else if (pos < lpos) { l = lpos - pos; /* Buffer characters */ @@ -1036,7 +1036,7 @@ static int del_chars(int n) outc(' '); move_left(1); } - move_cursor(llen + l, lpos); + move_cursor(llen + gcs, lpos); } return TRUE; } @@ -1095,6 +1095,7 @@ static int insert_buf(byte *s, int n) ch = 0; } while (lpos % 8); } else if (ch == '\e') { + DEBUGLOG(("insert_buf: ANSI Escape: \\e")); lbuf[lpos++] = (CONTROL_TAG | ((Uint32) ch)); } else if (ch == '\n' || ch == '\r') { write_buf(lbuf + buffpos, lpos - buffpos); @@ -1156,7 +1157,7 @@ static int write_buf(Uint32 *s, int n) --n; s++; } } else if (*s == (CONTROL_TAG | ((Uint32) '\e'))) { - outc('\e'); + outc(lastput = '\e'); --n; ++s; } else if (*s & CONTROL_TAG) { @@ -1251,26 +1252,63 @@ static int move_cursor(int from_pos, int to_pos) return to_col-from_col; } -static int cp_pos_to_col(int cp_pos) +/* + * Returns the length of an ANSI escape code in a buffer, this function only consider + * color escape sequences like `\e[33m` or `\e[21;33m`. If a sequence has no valid + * terminator, the length is equal the number of characters between `\e` and the first + * invalid character, inclusive. + */ + +static int ansi_escape_width(Uint32 *s, int max_length) { -#ifdef HAVE_WCWIDTH int i; - int col = 0; - - for (i = 0; i < cp_pos; i++) { - int w = wcwidth(lbuf[i]); - if (w > 0) { - col += w; - } + + if (*s != (CONTROL_TAG | ((Uint32) '\e'))) { + return 0; + } else if (max_length <= 1) { + return 1; + } else if (s[1] != '[') { + return 2; } - return col; -#else + + for (i = 2; i < max_length && (s[i] == ';' || (s[i] >= '0' && s[i] <= '9')); i++); + + return i + 1; +} + +static int cp_pos_to_col(int cp_pos) +{ /* - * We dont' have any character width information. Assume that - * code points are one column wide. + * If we don't have any character width information. Assume that + * code points are one column wide */ - return cp_pos; + int w = 1; + int col = 0; + int i = 0; + int j; + + if (cp_pos > llen) { + col += cp_pos - llen; + cp_pos = llen; + } + + while (i < cp_pos) { + j = ansi_escape_width(lbuf + i, llen - i); + + if (j > 0) { + i += j; + } else { +#ifdef HAVE_WCWIDTH + w = wcwidth(lbuf[i]); #endif + if (w > 0) { + col += w; + } + i++; + } + } + + return col; } static int start_termcap(void) diff --git a/erts/vsn.mk b/erts/vsn.mk index 8ed3993177..c231c9c27d 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -18,7 +18,7 @@ # %CopyrightEnd% # -VSN = 9.0.4 +VSN = 9.0.5 # Port number 4365 in 4.2 # Port number 4366 in 4.3 diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl index b554ebc2cc..e72c1aecfc 100644 --- a/lib/dialyzer/src/dialyzer_contracts.erl +++ b/lib/dialyzer/src/dialyzer_contracts.erl @@ -555,6 +555,9 @@ from_form_with_check(Form, ExpTypes, MFA, RecordTable, VarTable, Cache) -> Site = {spec, MFA}, C1 = erl_types:t_check_record_fields(Form, ExpTypes, Site, RecordTable, VarTable, Cache), + %% The check costs some time, and with the assumption that contracts + %% are not very deep, it does not add anything. + %% erl_types:t_from_form_check_remote(Form, ExpTypes, MFA, RecordTable), erl_types:t_from_form(Form, ExpTypes, Site, RecordTable, VarTable, C1). constraints_to_dict(Constrs, MFA, RecDict, ExpTypes, RecordTable, @@ -840,7 +843,7 @@ is_remote_types_related(Contract, CSig, Sig, MFA, RecDict) -> t_from_forms_without_remote([{FType, []}], MFA, RecDict) -> Site = {spec, MFA}, - {Type1, _} = erl_types:t_from_form_without_remote(FType, Site, RecDict), + Type1 = erl_types:t_from_form_without_remote(FType, Site, RecDict), {ok, erl_types:subst_all_vars_to_any(Type1)}; t_from_forms_without_remote([{_FType, _Constrs}], _MFA, _RecDict) -> %% 'When' constraints diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl index 511a6d66bf..9b8fbc67eb 100644 --- a/lib/dialyzer/src/dialyzer_utils.erl +++ b/lib/dialyzer/src/dialyzer_utils.erl @@ -326,9 +326,12 @@ process_record_remote_types(CServer) -> {record, Name} -> FieldFun = fun({Arity, Fields}, C4) -> - Site = {record, {Module, Name, Arity}}, + MRA = {Module, Name, Arity}, + Site = {record, MRA}, {Fields1, C7} = lists:mapfoldl(fun({FieldName, Field, _}, C5) -> + check_remote(Field, ExpTypes, + MRA, RecordTable), {FieldT, C6} = erl_types:t_from_form (Field, ExpTypes, Site, @@ -342,18 +345,12 @@ process_record_remote_types(CServer) -> {FieldsList, C3} = lists:mapfoldl(FieldFun, C2, orddict:to_list(Fields)), {{Key, {FileLine, orddict:from_list(FieldsList)}}, C3}; - {type, Name, NArgs} -> + {_TypeOrOpaque, Name, NArgs} -> %% Make sure warnings about unknown types are output %% also for types unused by specs. - Site = {type, {Module, Name, NArgs}}, - L = erl_anno:new(0), - Args = lists:duplicate(NArgs, {var, L, '_'}), - UserType = {user_type, L, Name, Args}, - {_NewType, C3} = - erl_types:t_from_form(UserType, ExpTypes, Site, - RecordTable, VarTable, C2), - {{Key, Value}, C3}; - {opaque, _Name, _NArgs} -> + MTA = {Module, Name, NArgs}, + {{_Module, _FileLine, Form, _ArgNames}, _Type} = Value, + check_remote(Form, ExpTypes, MTA, RecordTable), {{Key, Value}, C2} end end, @@ -454,6 +451,9 @@ msg_with_position(Fun, FileLine) -> throw({error, NewMsg}) end. +check_remote(Form, ExpTypes, What, RecordTable) -> + erl_types:t_from_form_check_remote(Form, ExpTypes, What, RecordTable). + -spec merge_types(codeserver(), dialyzer_plt:plt()) -> codeserver(). merge_types(CServer, Plt) -> diff --git a/lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type b/lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type index 110d896c76..74d2ac33ad 100644 --- a/lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type +++ b/lib/dialyzer/test/options2_SUITE_data/results/unused_unknown_type @@ -1,2 +1,2 @@ -:0: Unknown type unknown:type1/0:0: Unknown type unknown:type2/0:0: Unknown type unknown:type3/0
\ No newline at end of file +:0: Unknown type foo:bar/0:0: Unknown type ofoo:obar/0:0: Unknown type owww:y/0:0: Unknown type rfoo:rbar/0:0: Unknown type unknown:type1/0:0: Unknown type unknown:type2/0:0: Unknown type unknown:type3/0:0: Unknown type xxx:y/0:0: Unknown type yyy:x/0:0: Unknown type zzz:arg/1:0: Unknown type zzz:x/0
\ No newline at end of file diff --git a/lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl b/lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl index 90df7d528a..e6f9d2392c 100644 --- a/lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl +++ b/lib/dialyzer/test/options2_SUITE_data/src/unused_unknown_type.erl @@ -1,10 +1,40 @@ -module(unused_unknown_type). +-export([t/0]). + -export_type([unused/0]). +-export_type([wide/0, deep/0]). +-export_type([owide/0, odeep/0]). +-export_type([arg/0, rargs1/0, rargs2/0]). + -type unused() :: unknown:type1(). --record(unused_rec, {a :: unknown:type2()}). +-record(unused_rec, + {a :: unknown:type2(), + b :: {{{{{{{{{{{{{{{{{{{{rfoo:rbar()}}}}}}}}}}}}}}}}}}}}}). -record(rec, {a}). -type unused_rec() :: #rec{a :: unknown:type3()}. + +-type wide() :: {a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,xxx:y()}. +-type owide() :: {a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,owww:y()}. + +%% Deeper than the hardcoded limit in erl_types.erl of 16. +-type deep() :: {{{{{{{{{{{{{{{{{{{{foo:bar()}}}}}}}}}}}}}}}}}}}}. +-type odeep() :: {{{{{{{{{{{{{{{{{{{{ofoo:obar()}}}}}}}}}}}}}}}}}}}}. + +-type arg1(A) :: [A]. +-type arg() :: arg1({a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,yyy:x()}). + +%% No warning about www:x/0 because parameters are currently not +%% handled if the parameterized type cannot be found. +-type rargs1() :: zzz:arg({a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,www:x()}). + +-type rargs2() :: dict:dict({a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,zzz:x()}, + any()). + +%% No warning. The check is commented out as it takes too long. +-spec t() -> 'a' | {{{{{{{{{{{{{{{{{{{{sfoo:sbar()}}}}}}}}}}}}}}}}}}}}. +t() -> + a. diff --git a/lib/diameter/src/base/diameter_gen.erl b/lib/diameter/src/base/diameter_gen.erl index 6add06ea38..d3b9f704fe 100644 --- a/lib/diameter/src/base/diameter_gen.erl +++ b/lib/diameter/src/base/diameter_gen.erl @@ -471,9 +471,6 @@ field(_) -> %% AVP not in dictionary: try an alternate. -dec(_, _, 'AVP', _Mod, none, _, Avp) -> %% none decode is no-op - Avp; - dec(Data, Name, 'AVP', Mod, Fmt, Opts, Avp) -> dec_AVP(dicts(Mod, Opts), Data, Name, Mod, Fmt, Opts, Avp); @@ -596,13 +593,9 @@ dec_AVP([], _, _, _, _, _, _, _, Avp) -> %% A Grouped AVP is represented as a #diameter_avp{} list with AVP %% as head and component AVPs as tail. -set('Grouped', none, Avp, V) -> - {_Rec, As} = V, - [Avp | As]; - -set('Grouped', _, Avp, V) -> +set('Grouped', Fmt, Avp, V) -> {Rec, As} = V, - [Avp#diameter_avp{value = Rec} | As]; + [set(Fmt, Avp, Rec) | As]; set(_, _, Avp, V) -> Avp#diameter_avp{value = V}. @@ -611,15 +604,23 @@ set(_, _, Avp, V) -> %% %% Error when decoding a grouped AVP. -decode_error(true, none, _, Avp) -> - Avp; - -decode_error(true, _, {Rec, _, _}, Avp) -> - Avp#diameter_avp{value = Rec}; +%% Ignoring errors in Failed-AVP. +decode_error(true, Fmt, {Rec, ComponentAvps, _Errors}, Avp) -> + [set(Fmt, Avp, Rec) | ComponentAvps]; +%% Or not. A faulty component is encoded by itself in Failed-AVP, as +%% suggested by 7.5 of RFC 6733 (quoted below), so that errors are +%% reported unambigiously. decode_error(false, _, {_, ComponentAvps, [{RC,A} | _]}, Avp) -> {RC, [Avp | ComponentAvps], Avp#diameter_avp{data = [A]}}. +%% set/3 + +set(none, Avp, _Name) -> + Avp; +set(_, Avp, Rec) -> + Avp#diameter_avp{value = Rec}. + %% decode_error/6 %% %% Error when decoding a non-grouped AVP. @@ -633,7 +634,22 @@ decode_error(false, Reason, Name, Mod, Opts, Avp) -> ?MODULE, ?LINE, {Reason, Name, Avp#diameter_avp.name, Mod, Stack}), - rc(Reason, Avp, Opts, Mod). + case Reason of + {'DIAMETER', 5014 = RC, _} -> + %% Length error communicated from diameter_types or a + %% @custom_types/@codecs module. + AvpName = Avp#diameter_avp.name, + {RC, Avp#diameter_avp{data = Mod:empty_value(AvpName, Opts)}}; + _ -> + {5004, Avp} + end. + +%% 3588/6733: +%% +%% DIAMETER_INVALID_AVP_VALUE 5004 +%% The request contained an AVP with an invalid value in its data +%% portion. A Diameter message indicating this error MUST include +%% the offending AVPs within a Failed-AVP AVP. %% avp/6 @@ -789,22 +805,6 @@ avp_arity(Name, 'AVP' = AvpName, Mod, Opts, M) -> avp_arity(Name, AvpName, Mod, _, _) -> Mod:avp_arity(Name, AvpName). -%% rc/4 - -%% Length error communicated from diameter_types or a -%% @custom_types/@codecs module. -rc({'DIAMETER', 5014 = RC, _}, #diameter_avp{name = AvpName} = A, Opts, Mod) -> - {RC, A#diameter_avp{data = Mod:empty_value(AvpName, Opts)}}; - -%% 3588: -%% -%% DIAMETER_INVALID_AVP_VALUE 5004 -%% The request contained an AVP with an invalid value in its data -%% portion. A Diameter message indicating this error MUST include -%% the offending AVPs within a Failed-AVP AVP. -rc(_, Avp, _, _) -> - {5004, Avp}. - %% pack/5 pack(Arity, F, Avp, Mod, [Failed | Rec]) -> @@ -812,9 +812,9 @@ pack(Arity, F, Avp, Mod, [Failed | Rec]) -> %% set/5 -set(_, _, _, _, None) - when is_atom(None) -> - None; +set(_, _, _, _, Name) + when is_atom(Name) -> + Name; set(1, F, Value, _, Map) when is_map(Map) -> diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl index 0883a69918..f4746fc9d0 100644 --- a/lib/hipe/cerl/erl_types.erl +++ b/lib/hipe/cerl/erl_types.erl @@ -74,6 +74,7 @@ t_form_to_string/1, t_from_form/6, t_from_form_without_remote/3, + t_from_form_check_remote/4, t_check_record_fields/6, t_from_range/2, t_from_range_unsafe/2, @@ -4471,7 +4472,7 @@ t_from_form(Form, ExpTypes, Site, RecDict, VarTab, Cache) -> %% Replace external types with with none(). -spec t_from_form_without_remote(parse_form(), site(), type_table()) -> - {erl_type(), cache()}. + erl_type(). t_from_form_without_remote(Form, Site, TypeTable) -> Module = site_module(Site), @@ -4480,38 +4481,57 @@ t_from_form_without_remote(Form, Site, TypeTable) -> VarTab = var_table__new(), Cache0 = cache__new(), Cache = Cache0#cache{mod_recs = {mrecs, ModRecs}}, - t_from_form1(Form, ExpTypes, Site, undefined, VarTab, Cache). - -%% REC_TYPE_LIMIT is used for limiting the depth of recursive types. -%% EXPAND_LIMIT is used for limiting the size of types by -%% limiting the number of elements of lists within one type form. -%% EXPAND_DEPTH is used in conjunction with EXPAND_LIMIT to make the -%% types balanced (unions will otherwise collapse to any()) by limiting -%% the depth the same way as t_limit/2 does. + {Type, _} = t_from_form1(Form, ExpTypes, Site, undefined, VarTab, Cache), + Type. -type expand_limit() :: integer(). -type expand_depth() :: integer(). --record(from_form, {site :: site(), +-record(from_form, {site :: site() | {'check', mta()}, xtypes :: sets:set(mfa()) | 'replace_by_none', mrecs :: 'undefined' | mod_type_table(), vtab :: var_table(), tnames :: type_names()}). +-spec t_from_form_check_remote(parse_form(), sets:set(mfa()), mta(), + mod_type_table()) -> 'ok'. +t_from_form_check_remote(Form, ExpTypes, MTA, RecDict) -> + State = #from_form{site = {check, MTA}, + xtypes = ExpTypes, + mrecs = RecDict, + vtab = var_table__new(), + tnames = []}, + D = (1 bsl 25), % unlimited + L = (1 bsl 25), + Cache0 = cache__new(), + _ = t_from_form2(Form, State, D, L, Cache0), + ok. + +%% REC_TYPE_LIMIT is used for limiting the depth of recursive types. +%% EXPAND_LIMIT is used for limiting the size of types by +%% limiting the number of elements of lists within one type form. +%% EXPAND_DEPTH is used in conjunction with EXPAND_LIMIT to make the +%% types balanced (unions will otherwise collapse to any()) by limiting +%% the depth the same way as t_limit/2 does. + -spec t_from_form1(parse_form(), sets:set(mfa()) | 'replace_by_none', site(), 'undefined' | mod_type_table(), var_table(), cache()) -> {erl_type(), cache()}. t_from_form1(Form, ET, Site, MR, V, C) -> TypeNames = initial_typenames(Site), + D = ?EXPAND_DEPTH, + L = ?EXPAND_LIMIT, State = #from_form{site = Site, xtypes = ET, mrecs = MR, vtab = V, tnames = TypeNames}, - L = ?EXPAND_LIMIT, - {T0, L0, C0} = from_form(Form, State, ?EXPAND_DEPTH, L, C), + t_from_form2(Form, State, D, L, C). + +t_from_form2(Form, State, D, L, C) -> + {T0, L0, C0} = from_form(Form, State, D, L, C), if L0 =< 0 -> {T1, _, C1} = from_form(Form, State, 1, L, C0), @@ -4767,14 +4787,18 @@ type_from_form(Name, Args, S, D, L, C) -> case can_unfold_more(TypeName, TypeNames) of true -> {R, C1} = lookup_module_types(Module, MR, C), - type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, + type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, Site, S, D, L, C1); false -> {t_any(), L, C} end. -type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, S, D, L, C) -> +type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, Site, + S, D, L, C) -> case lookup_type(Name, ArgsLen, R) of + {_, {_, _}} when element(1, Site) =:= check -> + {_ArgTypes, L1, C1} = list_from_form(Args, S, D, L, C), + {t_any(), L1, C1}; {Tag, {{Module, _FileName, Form, ArgNames}, Type}} -> NewTypeNames = [TypeName|TypeNames], S1 = S#from_form{tnames = NewTypeNames}, @@ -4813,7 +4837,7 @@ type_from_form1(Name, Args, ArgsLen, R, TypeName, TypeNames, S, D, L, C) -> end. remote_from_form(RemMod, Name, Args, S, D, L, C) -> - #from_form{xtypes = ET, mrecs = MR, tnames = TypeNames} = S, + #from_form{site = Site, xtypes = ET, mrecs = MR, tnames = TypeNames} = S, if ET =:= replace_by_none -> {t_none(), L, C}; @@ -4831,7 +4855,7 @@ remote_from_form(RemMod, Name, Args, S, D, L, C) -> case can_unfold_more(RemType, TypeNames) of true -> remote_from_form1(RemMod, Name, Args, ArgsLen, RemDict, - RemType, TypeNames, S, D, L, C1); + RemType, TypeNames, Site, S, D, L, C1); false -> {t_any(), L, C1} end; @@ -4843,14 +4867,16 @@ remote_from_form(RemMod, Name, Args, S, D, L, C) -> end. remote_from_form1(RemMod, Name, Args, ArgsLen, RemDict, RemType, TypeNames, - S, D, L, C) -> + Site, S, D, L, C) -> case lookup_type(Name, ArgsLen, RemDict) of + {_, {_, _}} when element(1, Site) =:= check -> + {_ArgTypes, L1, C1} = list_from_form(Args, S, D, L, C), + {t_any(), L1, C1}; {Tag, {{Mod, _FileLine, Form, ArgNames}, Type}} -> NewTypeNames = [RemType|TypeNames], S1 = S#from_form{tnames = NewTypeNames}, {ArgTypes, L1, C1} = list_from_form(Args, S1, D, L, C), CKey = cache_key(RemMod, Name, ArgTypes, TypeNames, D), - %% case error of case cache_find(CKey, C) of {CachedType, DeltaL} -> {CachedType, L - DeltaL, C}; @@ -4914,6 +4940,8 @@ record_from_form({atom, _, Name}, ModFields, S, D0, L0, C) -> M = site_module(Site), {R, C1} = lookup_module_types(M, MR, C), case lookup_record(Name, R) of + {ok, _} when element(1, Site) =:= check -> + {t_any(), L0, C1}; {ok, DeclFields} -> NewTypeNames = [RecordType|TypeNames], Site1 = {record, {M, Name, length(DeclFields)}}, diff --git a/lib/inets/doc/src/httpd.xml b/lib/inets/doc/src/httpd.xml index d74635fc01..edf8731a82 100644 --- a/lib/inets/doc/src/httpd.xml +++ b/lib/inets/doc/src/httpd.xml @@ -279,7 +279,18 @@ requests defined by <c>max_keep_alive_requests</c>, the server closes the connection. The server closes it even if there are queued request. Default is no limit.</p> - </item> + </item> + + + <tag><marker id="max_client_body_chunk"></marker>{max_client_body_chunk, integer()}</tag> + <item> + <p>Enforces chunking of a HTTP PUT or POST body data to be deliverd + to the mod_esi callback. Note this is not supported for mod_cgi. + Default is no limit e.i the whole body is deliverd as one entity, which could + be very memory consuming. <seealso marker="mod_esi">mod_esi(3)</seealso>. + </p> + </item> + </taglist> <marker id="props_admin"></marker> diff --git a/lib/inets/doc/src/mod_esi.xml b/lib/inets/doc/src/mod_esi.xml index 46cc796c8a..a8393c9248 100644 --- a/lib/inets/doc/src/mod_esi.xml +++ b/lib/inets/doc/src/mod_esi.xml @@ -121,35 +121,60 @@ <funcs> <func> - <name>Module:Function(SessionID, Env, Input)-> _ </name> + <name>Module:Function(SessionID, Env, Input)-> {continue, State} | _ </name> <fsummary>Creates a dynamic web page and returns it chunk by chunk to the server process by calling <c>mod_esi:deliver/2</c>.</fsummary> <type> <v>SessionID = term()</v> <v>Env = env()</v> - <v>Input = string()</v> + <v>Input = string() | chunked_data()</v> + <v>chunked_data() = {first, Data::binary()} | + {continue, Data::binary(), State::term()} | + {last, Data::binary(), State::term()} </v> + <v>State = term()</v> </type> <desc> <p><c>Module</c> must be found in the code path and export <c>Function</c> with an arity of three. An <c>erlScriptAlias</c> must also be set up in the configuration file for the web server.</p> - <p>If the HTTP request is a 'post' request and a body is sent, - <c>content_length</c> is the length of the posted - data. If 'get' is used, <c>query_string</c> is the data after - <em>?</em> in the URL.</p> - <p><c>ParsedHeader</c> is the HTTP request as a key-value tuple - list. The keys in <c>ParsedHeader</c> are in lower case.</p> - <p><c>SessionID</c> is an identifier - the server uses when <c>deliver/2</c> is called. Do not - assume anything about the datatype.</p> - <p>Use this callback function to generate dynamic web - content dynamically. When a part of the page is generated, send the - data back to the client through <c>deliver/2</c>. Notice - that the first chunk of data sent to the client must at - least contain all HTTP header fields that the response - will generate. If the first chunk does not contain the - <em>end of HTTP header</em>, that is, <c>"\r\n\r\n",</c> - the server assumes that no HTTP header fields will be generated.</p> + + <p><c>mod_esi:deliver/2</c> shall be used to generate the response + to the client and <c>SessionID</c> is an identifier that shall by used when + calling this function, do not assume anything about + the datatype. This function may be called + several times to chunk the the respons data. Notice that the + first chunk of data sent to the client must at least contain + all HTTP header fields that the response will generate. If the + first chunk does not contain the <em>end of HTTP header</em>, + that is, <c>"\r\n\r\n",</c> the server assumes that no HTTP + header fields will be generated.</p> + + <p><c>Env</c> environment data of the request see description above.</p> + + <p><c>Input</c> is query data of a GET request or the body of + a PUT or POST request. The default behavior (legacy reasons) + for delivering the body, is that the whole body is gathered and + converted to a string. But if the httpd config parameter + <seealso + marker="httpd#max_client_body_chunk">max_client_body_chunk</seealso> + is set, the body will be delivered as binary chunks + instead. The maximum size of the chunks is either <seealso + marker="httpd#max_client_body_chunk">max_client_body_chunk</seealso> + or decide by the client if it uses HTTP chunked encoding + to send the body. When using the chunking + mechanism this callback must return {continue, State::term()} + for all calls where <c>Input</c> is <c>{first, + Data::binary()}</c> or <c>{continue, Data::binary(), + State::term()}</c>. When <c>Input</c> is <c>{last, + Data::binary(), State::term()}</c> the return value will be ignored.</p> + <note><p>Note that if the body is + small all data may be delivered in only one chunk and then the + callback will be called with {last, Data::binary(), undefined} + without getting called with <c>{first, + Data::binary()}</c>.</p></note><p>The input <c>State</c> is + the last returned <c>State</c>, in it the callback can include + any data that it needs to keep track of when handling the chunks. + </p> </desc> </func> @@ -159,14 +184,13 @@ This function is deprecated and is only kept for backwards compatibility.</fsummary> <type> <v>Env = env()</v> - <v>Input = string()</v> + <v>Input = string() </v> <v>Response = string()</v> </type> <desc> <p>This callback format consumes much memory, as the whole response must be generated before it is sent to the - user. This function is deprecated and is only kept for backwards - compatibility. + user. This callback format is deprecated. For new development, use <c>Module:Function/3</c>.</p> </desc> </func> diff --git a/lib/inets/doc/src/notes.xml b/lib/inets/doc/src/notes.xml index 2f4f20347a..c85600d0be 100644 --- a/lib/inets/doc/src/notes.xml +++ b/lib/inets/doc/src/notes.xml @@ -33,7 +33,41 @@ <file>notes.xml</file> </header> - <section><title>Inets 6.4</title> + <section><title>Inets 6.4.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + http_uri aligned to follow RFC 3986 and not convert "+" + to space when decoding URIs.</p> + <p> + Own Id: OTP-14573</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Added new option max_client_body_chunk to httpd server to + allow chunked delivery of PUT and POST data to mod_esi + callback. Note, new mod_esi callback implementation is + required.</p> + <p> + Also correct value provided by server_name environment + variable</p> + <p> + Own Id: OTP-14450</p> + </item> + </list> + </section> + +</section> + +<section><title>Inets 6.4</title> <section><title>Fixed Bugs and Malfunctions</title> <list> diff --git a/lib/inets/src/http_lib/http_uri.erl b/lib/inets/src/http_lib/http_uri.erl index c4be5abd7c..7f1ca02014 100644 --- a/lib/inets/src/http_lib/http_uri.erl +++ b/lib/inets/src/http_lib/http_uri.erl @@ -117,8 +117,6 @@ decode(String) when is_list(String) -> decode(String) when is_binary(String) -> do_decode_binary(String). -do_decode([$+|Rest]) -> - [$ |do_decode(Rest)]; do_decode([$%,Hex1,Hex2|Rest]) -> [hex2dec(Hex1)*16+hex2dec(Hex2)|do_decode(Rest)]; do_decode([First|Rest]) -> @@ -126,8 +124,6 @@ do_decode([First|Rest]) -> do_decode([]) -> []. -do_decode_binary(<<$+, Rest/bits>>) -> - <<$ , (do_decode_binary(Rest))/binary>>; do_decode_binary(<<$%, Hex:2/binary, Rest/bits>>) -> <<(binary_to_integer(Hex, 16)), (do_decode_binary(Rest))/binary>>; do_decode_binary(<<First:1/binary, Rest/bits>>) -> diff --git a/lib/inets/src/http_server/httpd_example.erl b/lib/inets/src/http_server/httpd_example.erl index c893b10dca..45b6deba97 100644 --- a/lib/inets/src/http_server/httpd_example.erl +++ b/lib/inets/src/http_server/httpd_example.erl @@ -22,7 +22,7 @@ -export([print/1]). -export([get/2, put/2, post/2, yahoo/2, test1/2, get_bin/2, peer/2]). --export([newformat/3]). +-export([newformat/3, post_chunked/3]). %% These are used by the inets test-suite -export([delay/1, chunk_timeout/3]). @@ -131,15 +131,31 @@ footer() -> "</BODY> </HTML>\n". - -newformat(SessionID, _Env, _Input)-> +post_chunked(_SessionID, _Env, {first, _Body} = _Bodychunk) -> + {continue, {state, 1}}; +post_chunked(_SessionID, _Env, {continue, _Body, {state, N}} = _Bodychunk) -> + {continue, {state, N+1}}; +post_chunked(SessionID, _Env, {last, _Body, {state, N}} = _Bodychunk) -> + mod_esi:deliver(SessionID, "Content-Type:text/html\r\n\r\n"), + mod_esi:deliver(SessionID, top("Received chunked body")), + mod_esi:deliver(SessionID, "Received" ++ integer_to_list(N) ++ "chunks"), + mod_esi:deliver(SessionID, footer()); +post_chunked(SessionID, _Env, {last, _Body, undefined} = _Bodychunk) -> + mod_esi:deliver(SessionID, "Content-Type:text/html\r\n\r\n"), + mod_esi:deliver(SessionID, top("Received chunked body")), + mod_esi:deliver(SessionID, "Received 1 chunk"), + mod_esi:deliver(SessionID, footer()); +post_chunked(_, _, _Body) -> + exit(body_not_chunked). + +newformat(SessionID,_,_) -> mod_esi:deliver(SessionID, "Content-Type:text/html\r\n\r\n"), mod_esi:deliver(SessionID, top("new esi format test")), mod_esi:deliver(SessionID, "This new format is nice<BR>"), mod_esi:deliver(SessionID, "This new format is nice<BR>"), mod_esi:deliver(SessionID, "This new format is nice<BR>"), mod_esi:deliver(SessionID, footer()). - + %% ------------------------------------------------------ delay(Time) when is_integer(Time) -> diff --git a/lib/inets/src/http_server/httpd_request.erl b/lib/inets/src/http_server/httpd_request.erl index 749f58c197..0eaf073255 100644 --- a/lib/inets/src/http_server/httpd_request.erl +++ b/lib/inets/src/http_server/httpd_request.erl @@ -36,7 +36,7 @@ %% little at a time on a socket. -export([ parse_method/1, parse_uri/1, parse_version/1, parse_headers/1, - whole_body/1 + whole_body/1, body_chunk_first/3, body_chunk/3, add_chunk/1 ]). @@ -76,13 +76,12 @@ body_data(Headers, Body) -> ContentLength = list_to_integer(Headers#http_request_h.'content-length'), case size(Body) - ContentLength of 0 -> - {binary_to_list(Body), <<>>}; + {Body, <<>>}; _ -> <<BodyThisReq:ContentLength/binary, Next/binary>> = Body, - {binary_to_list(BodyThisReq), Next} + {BodyThisReq, Next} end. - %%------------------------------------------------------------------------- %% validate(Method, Uri, Version) -> ok | {error, {bad_request, Reason} | %% {error, {not_supported, {Method, Uri, Version}} @@ -292,10 +291,46 @@ parse_headers(<<Octet, Rest/binary>>, Header, Headers, Current, parse_headers(Rest, [Octet | Header], Headers, Current + 1, Max, Options, Result). +body_chunk_first(Body, 0 = Length, _) -> + whole_body(Body, Length); +body_chunk_first(Body, Length, MaxChunk) -> + case body_chunk(Body, Length, MaxChunk) of + {ok, {last, NewBody}} -> + {ok, NewBody}; + Other -> + Other + end. +%% Used to chunk non chunk decoded post/put data +add_chunk([<<>>, Body, Length, MaxChunk]) -> + body_chunk(Body, Length, MaxChunk); +add_chunk([More, Body, Length, MaxChunk]) -> + body_chunk(<<Body/binary, More/binary>>, Length, MaxChunk). + +body_chunk(<<>> = Body, Length, MaxChunk) -> + {ok, {continue, ?MODULE, add_chunk, [Body, Length, MaxChunk]}}; +body_chunk(Body, Length, nolimit) -> + whole_body(Body, Length); + +body_chunk(Body, Length, MaxChunk) when Length > MaxChunk -> + case size(Body) >= MaxChunk of + true -> + <<Chunk:MaxChunk/binary, Rest/binary>> = Body, + {ok, {{continue, Chunk}, ?MODULE, add_chunk, [Rest, Length - MaxChunk, MaxChunk]}}; + false -> + {ok, {continue, ?MODULE, add_chunk, [Body, Length, MaxChunk]}} + end; +body_chunk(Body, Length, MaxChunk) -> + case size(Body) of + Length -> + {ok, {last, Body}}; + _ -> + {ok, {continue, ?MODULE, add_chunk, [Body, Length, MaxChunk]}} + end. + whole_body(Body, Length) -> case size(Body) of N when N < Length, Length > 0 -> - {?MODULE, whole_body, [Body, Length]}; + {?MODULE, add_chunk, [Body, Length, nolimit]}; N when N >= Length, Length >= 0 -> %% When a client uses pipelining trailing data %% may be part of the next request! @@ -443,6 +478,3 @@ check_header({"content-length", Value}, Maxsizes) -> end; check_header(_, _) -> ok. - - - diff --git a/lib/inets/src/http_server/httpd_request_handler.erl b/lib/inets/src/http_server/httpd_request_handler.erl index 538d52b98d..bd4fdd3832 100644 --- a/lib/inets/src/http_server/httpd_request_handler.erl +++ b/lib/inets/src/http_server/httpd_request_handler.erl @@ -49,7 +49,8 @@ headers, %% #http_request_h{} body, %% binary() data, %% The total data received in bits, checked after 10s - byte_limit %% Bit limit per second before kick out + byte_limit, %% Bit limit per second before kick out + chunk }). %%==================================================================== @@ -124,7 +125,8 @@ continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> NrOfRequest = max_keep_alive_request(ConfigDB), MaxContentLen = max_content_length(ConfigDB), Customize = customize(ConfigDB), - + MaxChunk = max_client_body_chunk(ConfigDB), + {_, Status} = httpd_manager:new_connection(Manager), MFA = {httpd_request, parse, [[{max_uri, MaxURISize}, {max_header, MaxHeaderSize}, @@ -139,7 +141,8 @@ continue_init(Manager, ConfigDB, SocketType, Socket, TimeOut) -> status = Status, timeout = TimeOut, max_keep_alive_request = NrOfRequest, - mfa = MFA}, + mfa = MFA, + chunk = chunk_start(MaxChunk)}, http_transport:setopts(SocketType, Socket, [binary, {packet, 0}, {active, once}]), @@ -194,6 +197,7 @@ handle_cast(Msg, #state{mod = ModData} = State) -> %%-------------------------------------------------------------------- handle_info({Proto, Socket, Data}, #state{mfa = {Module, Function, Args}, + chunk = {ChunkState, _}, mod = #mod{socket_type = SockType, socket = Socket} = ModData} = State) when (((Proto =:= tcp) orelse @@ -207,7 +211,8 @@ handle_info({Proto, Socket, Data}, _ -> State#state.data + byte_size(Data) end, - case PROCESSED of + + case PROCESSED of {ok, Result} -> NewState = case NewDataSize of undefined -> @@ -215,7 +220,7 @@ handle_info({Proto, Socket, Data}, _ -> set_new_data_size(cancel_request_timeout(State), NewDataSize) end, - handle_http_msg(Result, NewState); + handle_msg(Result, NewState); {error, {size_error, MaxSize, ErrCode, ErrStr}, Version} -> NewModData = ModData#mod{http_version = Version}, httpd_response:send_status(NewModData, ErrCode, ErrStr), @@ -224,7 +229,10 @@ handle_info({Proto, Socket, Data}, error_log(Reason, NewModData), {stop, normal, State#state{response_sent = true, mod = NewModData}}; - + + {http_chunk = Module, Function, Args} when ChunkState =/= undefined -> + NewState = handle_chunk(Module, Function, Args, State), + {noreply, NewState}; NewMFA -> http_transport:setopts(SockType, Socket, [{active, once}]), case NewDataSize of @@ -349,6 +357,34 @@ await_socket_ownership_transfer(AcceptTimeout) -> exit(accept_socket_timeout) end. + +%%% Internal chunking of client body +handle_msg({{continue, Chunk}, Module, Function, Args}, #state{chunk = {_, CbState}} = State) -> + handle_internal_chunk(State#state{chunk = {continue, CbState}, + body = Chunk}, Module, Function, Args); +handle_msg({continue, Module, Function, Args}, #state{mod = ModData} = State) -> + http_transport:setopts(ModData#mod.socket_type, + ModData#mod.socket, + [{active, once}]), + {noreply, State#state{mfa = {Module, Function, Args}}}; +handle_msg({last, Body}, #state{headers = Headers, chunk = {_, CbState}} = State) -> + NewHeaders = Headers#http_request_h{'content-length' = integer_to_list(size(Body))}, + handle_response(State#state{chunk = {last, CbState}, + headers = NewHeaders, + body = Body}); +%%% Last data chunked by client +handle_msg({ChunkedHeaders, Body}, #state{headers = Headers , chunk = {ChunkState, CbState}} = State) when ChunkState =/= undefined -> + NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), + handle_response(State#state{chunk = {last, CbState}, + headers = NewHeaders, + body = Body}); +handle_msg({ChunkedHeaders, Body}, #state{headers = Headers , chunk = {undefined, _}} = State) -> + NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), + handle_response(State#state{headers = NewHeaders, + body = Body}); +handle_msg(Result, State) -> + handle_http_msg(Result, State). + handle_http_msg({_, _, Version, {_, _}, _}, #state{status = busy, mod = ModData} = State) -> handle_manager_busy(State#state{mod = @@ -405,10 +441,6 @@ handle_http_msg({Method, Uri, Version, {RecordHeaders, Headers}, Body}, error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}} end; -handle_http_msg({ChunkedHeaders, Body}, - State = #state{headers = Headers}) -> - NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), - handle_response(State#state{headers = NewHeaders, body = Body}); handle_http_msg(Body, State) -> handle_response(State#state{body = Body}). @@ -443,22 +475,25 @@ handle_body(#state{mod = #mod{config_db = ConfigDB}} = State) -> end. -handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, +handle_body(#state{headers = Headers, body = Body, + chunk = {ChunkState, CbState}, mod = #mod{config_db = ConfigDB} = ModData} = State, MaxHeaderSize, MaxBodySize) -> + MaxChunk = max_client_body_chunk(ConfigDB), case Headers#http_request_h.'transfer-encoding' of "chunked" -> try http_chunk:decode(Body, MaxBodySize, MaxHeaderSize) of - {Module, Function, Args} -> + {Module, Function, Args} -> http_transport:setopts(ModData#mod.socket_type, ModData#mod.socket, [{active, once}]), {noreply, State#state{mfa = - {Module, Function, Args}}}; - {ok, {ChunkedHeaders, NewBody}} -> - NewHeaders = - http_chunk:handle_headers(Headers, ChunkedHeaders), - handle_response(State#state{headers = NewHeaders, - body = NewBody}) + {Module, Function, Args}, + chunk = chunk_start(MaxChunk)}}; + {ok, {ChunkedHeaders, NewBody}} -> + NewHeaders = http_chunk:handle_headers(Headers, ChunkedHeaders), + handle_response(State#state{headers = NewHeaders, + body = NewBody, + chunk = chunk_finish(ChunkState, CbState, MaxChunk)}) catch throw:Error -> httpd_response:send_status(ModData, 400, @@ -476,21 +511,25 @@ handle_body(#state{headers = Headers, body = Body, mod = ModData} = State, error_log(Reason, ModData), {stop, normal, State#state{response_sent = true}}; _ -> - Length = list_to_integer(Headers#http_request_h.'content-length'), + Length = list_to_integer(Headers#http_request_h.'content-length'), + MaxChunk = max_client_body_chunk(ConfigDB), case ((Length =< MaxBodySize) or (MaxBodySize == nolimit)) of true -> - case httpd_request:whole_body(Body, Length) of - {Module, Function, Args} -> - http_transport:setopts(ModData#mod.socket_type, + case httpd_request:body_chunk_first(Body, Length, MaxChunk) of + {ok, {continue, Module, Function, Args}} -> + http_transport:setopts(ModData#mod.socket_type, ModData#mod.socket, [{active, once}]), {noreply, State#state{mfa = {Module, Function, Args}}}; - - {ok, NewBody} -> - handle_response( - State#state{headers = Headers, - body = NewBody}) + {ok, {{continue, Chunk}, Module, Function, Args}} -> + handle_internal_chunk(State#state{chunk = chunk_start(MaxChunk), + body = Chunk}, Module, Function, Args); + {ok, NewBody} -> + handle_response(State#state{chunk = chunk_finish(ChunkState, + CbState, MaxChunk), + headers = Headers, + body = NewBody}) end; false -> httpd_response:send_status(ModData, 413, "Body too long"), @@ -550,15 +589,61 @@ expect(Headers, _, ConfigDB) -> end end. +handle_chunk(http_chunk = Module, decode_data = Function, + [ChunkSize, TotalChunk, {MaxBodySize, BodySoFar, _AccLength, MaxHeaderSize}], + #state{chunk = {_, CbState}, + mod = #mod{socket_type = SockType, + socket = Socket} = ModData} = State) -> + {continue, NewCbState} = httpd_response:handle_continuation(ModData#mod{entity_body = + {continue, BodySoFar, CbState}}), + http_transport:setopts(SockType, Socket, [{active, once}]), + State#state{chunk = {continue, NewCbState}, mfa = {Module, Function, [ChunkSize, TotalChunk, {MaxBodySize, <<>>, 0, MaxHeaderSize}]}}; + +handle_chunk(http_chunk = Module, decode_size = Function, + [Data, HexList, _AccSize, {MaxBodySize, BodySoFar, _AccLength, MaxHeaderSize}], + #state{chunk = {_, CbState}, + mod = #mod{socket_type = SockType, + socket = Socket} = ModData} = State) -> + {continue, NewCbState} = httpd_response:handle_continuation(ModData#mod{entity_body = {continue, BodySoFar, CbState}}), + http_transport:setopts(SockType, Socket, [{active, once}]), + State#state{chunk = {continue, NewCbState}, mfa = {Module, Function, [Data, HexList, 0, {MaxBodySize, <<>>, 0, MaxHeaderSize}]}}; +handle_chunk(Module, Function, Args, #state{mod = #mod{socket_type = SockType, + socket = Socket}} = State) -> + http_transport:setopts(SockType, Socket, [{active, once}]), + State#state{mfa = {Module, Function, Args}}. + +handle_internal_chunk(#state{chunk = {ChunkState, CbState}, body = Chunk, + mod = #mod{socket_type = SockType, + socket = Socket} = ModData} = State, Module, Function, Args)-> + Bodychunk = body_chunk(ChunkState, CbState, Chunk), + {continue, NewCbState} = httpd_response:handle_continuation(ModData#mod{entity_body = Bodychunk}), + case Args of + [<<>> | _] -> + http_transport:setopts(SockType, Socket, [{active, once}]), + {noreply, State#state{chunk = {continue, NewCbState}, mfa = {Module, Function, Args}}}; + _ -> + handle_info({dummy, Socket, <<>>}, State#state{chunk = {continue, NewCbState}, + mfa = {Module, Function, Args}}) + end. + +handle_response(#state{body = Body, + headers = Headers, + mod = ModData, + chunk = {last, CbState}, + max_keep_alive_request = Max} = State) when Max > 0 -> + {NewBody, Data} = httpd_request:body_data(Headers, Body), + ok = httpd_response:generate_and_send_response( + ModData#mod{entity_body = {last, NewBody, CbState}}), + handle_next_request(State#state{response_sent = true}, Data); handle_response(#state{body = Body, mod = ModData, headers = Headers, max_keep_alive_request = Max} = State) when Max > 0 -> {NewBody, Data} = httpd_request:body_data(Headers, Body), + %% Backwards compatible, may cause memory explosion ok = httpd_response:generate_and_send_response( - ModData#mod{entity_body = NewBody}), + ModData#mod{entity_body = binary_to_list(NewBody)}), handle_next_request(State#state{response_sent = true}, Data); - handle_response(#state{body = Body, headers = Headers, mod = ModData} = State) -> @@ -578,6 +663,7 @@ handle_next_request(#state{mod = #mod{connection = true} = ModData, MaxURISize = max_uri_size(ModData#mod.config_db), MaxContentLen = max_content_length(ModData#mod.config_db), Customize = customize(ModData#mod.config_db), + MaxChunk = max_client_body_chunk(ModData#mod.config_db), MFA = {httpd_request, parse, [[{max_uri, MaxURISize}, {max_header, MaxHeaderSize}, {max_version, ?HTTP_MAX_VERSION_STRING}, @@ -590,6 +676,7 @@ handle_next_request(#state{mod = #mod{connection = true} = ModData, max_keep_alive_request = decrease(Max), headers = undefined, body = undefined, + chunk = chunk_start(MaxChunk), response_sent = false}, NewState = activate_request_timeout(TmpState), @@ -647,6 +734,9 @@ error_log(ReasonString, #mod{config_db = ConfigDB}) -> max_header_size(ConfigDB) -> httpd_util:lookup(ConfigDB, max_header_size, ?HTTP_MAX_HEADER_SIZE). +max_client_body_chunk(ConfigDB) -> + httpd_util:lookup(ConfigDB, max_client_body_chunk, nolimit). + max_uri_size(ConfigDB) -> httpd_util:lookup(ConfigDB, max_uri_size, ?HTTP_MAX_URI_SIZE). @@ -661,3 +751,17 @@ max_content_length(ConfigDB) -> customize(ConfigDB) -> httpd_util:lookup(ConfigDB, customize, httpd_custom). + +chunk_start(nolimit) -> + {undefined, undefined}; +chunk_start(_) -> + {first, undefined}. +chunk_finish(_, _, nolimit) -> + {undefined, undefined}; +chunk_finish(_, CbState, _) -> + {last, CbState}. + +body_chunk(first, _, Chunk) -> + {first, Chunk}; +body_chunk(ChunkState, CbState, Chunk) -> + {ChunkState, Chunk, CbState}. diff --git a/lib/inets/src/http_server/httpd_response.erl b/lib/inets/src/http_server/httpd_response.erl index effa273e92..6b9053fda6 100644 --- a/lib/inets/src/http_server/httpd_response.erl +++ b/lib/inets/src/http_server/httpd_response.erl @@ -21,7 +21,7 @@ -module(httpd_response). -export([generate_and_send_response/1, send_status/3, send_header/3, send_body/3, send_chunk/3, send_final_chunk/2, send_final_chunk/3, - split_header/2, is_disable_chunked_send/1, cache_headers/2]). + split_header/2, is_disable_chunked_send/1, cache_headers/2, handle_continuation/1]). -export([map_status_code/2]). -include_lib("inets/src/inets_app/inets_internal.hrl"). @@ -31,6 +31,9 @@ -define(VMODULE,"RESPONSE"). +handle_continuation(Mod) -> + generate_and_send_response(Mod). + %% If peername does not exist the client already discarded the %% request so we do not need to send a reply. generate_and_send_response(#mod{init_data = @@ -39,6 +42,8 @@ generate_and_send_response(#mod{init_data = generate_and_send_response(#mod{config_db = ConfigDB} = ModData) -> Modules = httpd_util:lookup(ConfigDB, modules, ?DEFAULT_MODS), case traverse_modules(ModData, Modules) of + {continue, _} = Continue -> + Continue; done -> ok; {proceed, Data} -> @@ -69,17 +74,15 @@ generate_and_send_response(#mod{config_db = ConfigDB} = ModData) -> traverse_modules(ModData,[]) -> {proceed,ModData#mod.data}; traverse_modules(ModData,[Module|Rest]) -> - ?hdrd("traverse modules", [{callback_module, Module}]), try apply(Module, do, [ModData]) of + {continue, _} = Continue -> + Continue; done -> - ?hdrt("traverse modules - done", []), - done; + done; {break, NewData} -> - ?hdrt("traverse modules - break", [{new_data, NewData}]), - {proceed, NewData}; + {proceed, NewData}; {proceed, NewData} -> - ?hdrt("traverse modules - proceed", [{new_data, NewData}]), - traverse_modules(ModData#mod{data = NewData}, Rest) + traverse_modules(ModData#mod{data = NewData}, Rest) catch T:E -> String = @@ -104,15 +107,10 @@ send_status(#mod{socket_type = SocketType, socket = Socket, config_db = ConfigDB} = ModData, StatusCode, PhraseArgs) -> - ?hdrd("send status", [{status_code, StatusCode}, - {phrase_args, PhraseArgs}]), - ReasonPhrase = httpd_util:reason_phrase(StatusCode), Message = httpd_util:message(StatusCode, PhraseArgs, ConfigDB), Body = get_body(ReasonPhrase, Message), - ?hdrt("send status - header", [{reason_phrase, ReasonPhrase}, - {message, Message}]), send_header(ModData, StatusCode, [{content_type, "text/html"}, {content_length, integer_to_list(length(Body))}]), diff --git a/lib/inets/src/http_server/httpd_script_env.erl b/lib/inets/src/http_server/httpd_script_env.erl index e15613273e..055f08fdb0 100644 --- a/lib/inets/src/http_server/httpd_script_env.erl +++ b/lib/inets/src/http_server/httpd_script_env.erl @@ -74,9 +74,13 @@ which_peercert(#mod{socket_type = {Type, _}, socket = Socket}) when Type == essl which_peercert(_) -> %% Not an ssl connection undefined. + which_resolve(#mod{init_data = #init_data{resolve = Resolve}}) -> Resolve. +which_name(#mod{config_db = ConfigDB}) -> + httpd_util:lookup(ConfigDB, server_name). + which_method(#mod{method = Method}) -> Method. @@ -85,7 +89,8 @@ which_request_uri(#mod{request_uri = RUri}) -> create_basic_elements(esi, ModData) -> [{server_software, which_server(ModData)}, - {server_name, which_resolve(ModData)}, + {server_name, which_name(ModData)}, + {host_name, which_resolve(ModData)}, {gateway_interface, ?GATEWAY_INTERFACE}, {server_protocol, ?SERVER_PROTOCOL}, {server_port, which_port(ModData)}, @@ -96,7 +101,8 @@ create_basic_elements(esi, ModData) -> create_basic_elements(cgi, ModData) -> [{"SERVER_SOFTWARE", which_server(ModData)}, - {"SERVER_NAME", which_resolve(ModData)}, + {"SERVER_NAME", which_name(ModData)}, + {"HOST_NAME", which_resolve(ModData)}, {"GATEWAY_INTERFACE", ?GATEWAY_INTERFACE}, {"SERVER_PROTOCOL", ?SERVER_PROTOCOL}, {"SERVER_PORT", integer_to_list(which_port(ModData))}, diff --git a/lib/inets/src/http_server/mod_esi.erl b/lib/inets/src/http_server/mod_esi.erl index b21af1418c..3a589ca5f0 100644 --- a/lib/inets/src/http_server/mod_esi.erl +++ b/lib/inets/src/http_server/mod_esi.erl @@ -31,7 +31,6 @@ -include("httpd.hrl"). -include("httpd_internal.hrl"). --include("inets_internal.hrl"). -define(VMODULE,"ESI"). -define(DEFAULT_ERL_TIMEOUT,15000). @@ -69,7 +68,6 @@ deliver(_SessionID, _Data) -> %% Description: See httpd(3) ESWAPI CALLBACK FUNCTIONS %%------------------------------------------------------------------------- do(ModData) -> - ?hdrt("do", []), case proplists:get_value(status, ModData#mod.data) of {_StatusCode, _PhraseArgs, _Reason} -> {proceed, ModData#mod.data}; @@ -190,7 +188,6 @@ store({erl_script_nocache, Value}, _) -> %%% Internal functions %%%======================================================================== generate_response(ModData) -> - ?hdrt("generate response", []), case scheme(ModData#mod.request_uri, ModData#mod.config_db) of {eval, ESIBody, Modules} -> eval(ModData, ESIBody, Modules); @@ -242,7 +239,6 @@ alias_match_str(Alias, eval_script_alias) -> erl(#mod{method = Method} = ModData, ESIBody, Modules) when (Method =:= "GET") orelse (Method =:= "HEAD") orelse (Method =:= "DELETE") -> - ?hdrt("erl", [{method, Method}]), case httpd_util:split(ESIBody,":|%3A|/",2) of {ok, [ModuleName, FuncAndInput]} -> case httpd_util:split(FuncAndInput,"[\?/]",2) of @@ -273,14 +269,12 @@ erl(#mod{method = "PUT", entity_body = Body} = ModData, generate_webpage(ModData, ESIBody, Modules, list_to_atom(ModuleName), FunctionName, {Input,Body}, - [{entity_body, Body} | - script_elements(FuncAndInput, Input)]); + script_elements(FuncAndInput, Input)); {ok, [FunctionName]} -> generate_webpage(ModData, ESIBody, Modules, list_to_atom(ModuleName), FunctionName, {undefined,Body}, - [{entity_body, Body} | - script_elements(FuncAndInput, "")]); + script_elements(FuncAndInput, "")); {ok, BadRequest} -> {proceed,[{status,{400,none, BadRequest}} | ModData#mod.data]} @@ -290,12 +284,11 @@ erl(#mod{method = "PUT", entity_body = Body} = ModData, end; erl(#mod{method = "POST", entity_body = Body} = ModData, ESIBody, Modules) -> - ?hdrt("erl", [{method, post}]), case httpd_util:split(ESIBody,":|%3A|/",2) of {ok,[ModuleName, Function]} -> generate_webpage(ModData, ESIBody, Modules, list_to_atom(ModuleName), - Function, Body, [{entity_body, Body}]); + Function, Body, []); {ok, BadRequest} -> {proceed,[{status, {400, none, BadRequest}} | ModData#mod.data]} end; @@ -304,7 +297,6 @@ erl(#mod{request_uri = ReqUri, method = "PATCH", http_version = Version, data = Data}, _ESIBody, _Modules) -> - ?hdrt("erl", [{method, patch}]), {proceed, [{status,{501,{"PATCH", ReqUri, Version}, ?NICE("Erl mechanism doesn't support method PATCH")}}| Data]}. @@ -315,7 +307,6 @@ generate_webpage(ModData, ESIBody, [all], Module, FunctionName, FunctionName, Input, ScriptElements); generate_webpage(ModData, ESIBody, Modules, Module, FunctionName, Input, ScriptElements) -> - ?hdrt("generate webpage", []), Function = list_to_atom(FunctionName), case lists:member(Module, Modules) of true -> @@ -337,7 +328,6 @@ generate_webpage(ModData, ESIBody, Modules, Module, FunctionName, %% Old API that waits for the dymnamic webpage to be totally generated %% before anythig is sent back to the client. erl_scheme_webpage_whole(Mod, Func, Env, Input, ModData) -> - ?hdrt("erl_scheme_webpage_whole", [{module, Mod}, {function, Func}]), case (catch Mod:Func(Env, Input)) of {'EXIT',{undef, _}} -> {proceed, [{status, {404, ModData#mod.request_uri, "Not found"}} @@ -375,7 +365,6 @@ erl_scheme_webpage_whole(Mod, Func, Env, Input, ModData) -> %% in small chunks at the time during generation. erl_scheme_webpage_chunk(Mod, Func, Env, Input, ModData) -> process_flag(trap_exit, true), - ?hdrt("erl_scheme_webpage_chunk", [{module, Mod}, {function, Func}]), Self = self(), %% Spawn worker that generates the webpage. %% It would be nicer to use erlang:function_exported/3 but if the @@ -386,7 +375,9 @@ erl_scheme_webpage_chunk(Mod, Func, Env, Input, ModData) -> {'EXIT', {undef,_}} -> %% Will force fallback on the old API exit(erl_scheme_webpage_chunk_undefined); - _ -> + {continue, _} = Continue -> + exit(Continue); + _ -> ok end end), @@ -400,13 +391,12 @@ deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid) -> deliver_webpage_chunk(ModData, Pid, Timeout). deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid, Timeout) -> - ?hdrt("deliver_webpage_chunk", [{timeout, Timeout}]), case receive_headers(Timeout) of {error, Reason} -> %% Happens when webpage generator callback/3 is undefined - ?hdrv("deliver_webpage_chunk - failed receiving headers", - [{reason, Reason}]), {error, Reason}; + {continue, _} = Continue -> + Continue; {Headers, Body} -> case httpd_esi:handle_headers(Headers) of {proceed, AbsPath} -> @@ -430,7 +420,6 @@ deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid, Timeout) -> IsDisableChunkedSend) end; timeout -> - ?hdrv("deliver_webpage_chunk - timeout", []), send_headers(ModData, 504, [{"connection", "close"}]), httpd_socket:close(ModData#mod.socket_type, ModData#mod.socket), {proceed,[{response, {already_sent, 200, 0}} | ModData#mod.data]} @@ -439,16 +428,14 @@ deliver_webpage_chunk(#mod{config_db = Db} = ModData, Pid, Timeout) -> receive_headers(Timeout) -> receive {esi_data, Chunk} -> - ?hdrt("receive_headers - received esi data (esi)", []), httpd_esi:parse_headers(lists:flatten(Chunk)); {ok, Chunk} -> - ?hdrt("receive_headers - received esi data (ok)", []), httpd_esi:parse_headers(lists:flatten(Chunk)); {'EXIT', Pid, erl_scheme_webpage_chunk_undefined} when is_pid(Pid) -> - ?hdrd("receive_headers - exit:chunk-undef", []), {error, erl_scheme_webpage_chunk_undefined}; - {'EXIT', Pid, Reason} when is_pid(Pid) -> - ?hdrv("receive_headers - exit", [{reason, Reason}]), + {'EXIT', Pid, {continue, _} = Continue} when is_pid(Pid) -> + Continue; + {'EXIT', Pid, Reason} when is_pid(Pid) -> exit({mod_esi_linked_process_died, Pid, Reason}) after Timeout -> timeout @@ -463,7 +450,6 @@ handle_body(_, #mod{method = "HEAD"} = ModData, _, _, Size, _) -> {proceed, [{response, {already_sent, 200, Size}} | ModData#mod.data]}; handle_body(Pid, ModData, Body, Timeout, Size, IsDisableChunkedSend) -> - ?hdrt("handle_body - send chunk", [{timeout, Timeout}, {size, Size}]), httpd_response:send_chunk(ModData, Body, IsDisableChunkedSend), receive {esi_data, Data} when is_binary(Data) -> @@ -543,7 +529,6 @@ eval(#mod{request_uri = ReqUri, method = "PUT", http_version = Version, data = Data}, _ESIBody, _Modules) -> - ?hdrt("eval", [{method, put}]), {proceed,[{status,{501,{"PUT", ReqUri, Version}, ?NICE("Eval mechanism doesn't support method PUT")}}| Data]}; @@ -552,7 +537,6 @@ eval(#mod{request_uri = ReqUri, method = "DELETE", http_version = Version, data = Data}, _ESIBody, _Modules) -> - ?hdrt("eval", [{method, delete}]), {proceed,[{status,{501,{"DELETE", ReqUri, Version}, ?NICE("Eval mechanism doesn't support method DELETE")}}| Data]}; @@ -561,14 +545,12 @@ eval(#mod{request_uri = ReqUri, method = "POST", http_version = Version, data = Data}, _ESIBody, _Modules) -> - ?hdrt("eval", [{method, post}]), {proceed,[{status,{501,{"POST", ReqUri, Version}, ?NICE("Eval mechanism doesn't support method POST")}}| Data]}; eval(#mod{method = Method} = ModData, ESIBody, Modules) when (Method =:= "GET") orelse (Method =:= "HEAD") -> - ?hdrt("eval", [{method, Method}]), case is_authorized(ESIBody, Modules) of true -> case generate_webpage(ESIBody) of diff --git a/lib/inets/src/inets_app/inets.appup.src b/lib/inets/src/inets_app/inets.appup.src index f9ad8709d9..a86413147c 100644 --- a/lib/inets/src/inets_app/inets.appup.src +++ b/lib/inets/src/inets_app/inets.appup.src @@ -18,14 +18,10 @@ %% %CopyrightEnd% {"%VSN%", [ - {<<"6.2.4">>, [{load_module, httpd_request_handler, - soft_purge, soft_purge, []}]}, {<<"6\\..*">>,[{restart_application, inets}]}, {<<"5\\..*">>,[{restart_application, inets}]} ], [ - {<<"6.2.4">>, [{load_module, httpd_request_handler, - soft_purge, soft_purge, []}]}, {<<"6\\..*">>,[{restart_application, inets}]}, {<<"5\\..*">>,[{restart_application, inets}]} ] diff --git a/lib/inets/test/httpd_SUITE.erl b/lib/inets/test/httpd_SUITE.erl index b4f0f2aa7d..6c8728470b 100644 --- a/lib/inets/test/httpd_SUITE.erl +++ b/lib/inets/test/httpd_SUITE.erl @@ -74,6 +74,7 @@ all() -> {group, https_reload}, {group, http_mime_types}, {group, http_logging}, + {group, http_post}, mime_types_format ]. @@ -100,6 +101,7 @@ groups() -> {http_logging, [], [{group, logging}]}, {http_reload, [], [{group, reload}]}, {https_reload, [], [{group, reload}]}, + {http_post, [], [{group, post}]}, {http_mime_types, [], [alias_1_1, alias_1_0, alias_0_9]}, {limit, [], [max_clients_1_1, max_clients_1_0, max_clients_0_9]}, {custom, [], [customize, add_default]}, @@ -112,6 +114,7 @@ groups() -> disturbing_1_0, disturbing_0_9 ]}, + {post, [], [chunked_post, chunked_chunked_encoded_post]}, {basic_auth, [], [basic_auth_1_1, basic_auth_1_0, basic_auth_0_9]}, {auth_api, [], [auth_api_1_1, auth_api_1_0, auth_api_0_9 ]}, @@ -152,6 +155,7 @@ http_get() -> ipv6 ]. + load() -> [light, medium %%,heavy @@ -218,6 +222,7 @@ init_per_group(Group, Config0) when Group == http_basic; Group == http_auth_api_mnesia; Group == http_security; Group == http_reload; + Group == http_post; Group == http_mime_types -> ok = start_apps(Group), @@ -275,6 +280,7 @@ end_per_group(Group, _Config) when Group == http_basic; Group == http_htaccess; Group == http_security; Group == http_reload; + Group == http_post; Group == http_mime_types -> inets:stop(); @@ -299,7 +305,7 @@ end_per_group(_, _) -> %%-------------------------------------------------------------------- init_per_testcase(Case, Config) when Case == host; Case == trace -> - ct:timetrap({seconds, 20}), + ct:timetrap({seconds, 40}), Prop = proplists:get_value(tc_group_properties, Config), Name = proplists:get_value(name, Prop), Cb = case Name of @@ -677,6 +683,51 @@ ipv6(Config) when is_list(Config) -> end. %%------------------------------------------------------------------------- +chunked_post() -> + [{doc,"Test option max_client_body_chunk"}]. +chunked_post(Config) when is_list(Config) -> + ok = http_status("POST /cgi-bin/erl/httpd_example:post_chunked ", + {"Content-Length:833 \r\n", + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ" + "ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ"}, + [{http_version, "HTTP/1.1"} |Config], + [{statuscode, 200}]), + ok = http_status("POST /cgi-bin/erl/httpd_example:post_chunked ", + {"Content-Length:2 \r\n", + "ZZ" + }, + [{http_version, "HTTP/1.1"} |Config], + [{statuscode, 200}]). + +chunked_chunked_encoded_post() -> + [{doc,"Test option max_client_body_chunk with chunked client encoding"}]. +chunked_chunked_encoded_post(Config) when is_list(Config) -> + Chunk = http_chunk:encode("ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ"), + LastChunk = http_chunk:encode_last(), + Chunks = lists:duplicate(10000, Chunk), + ok = http_status("POST /cgi-bin/erl/httpd_example:post_chunked ", + {"Transfer-Encoding:chunked \r\n", + [Chunks | LastChunk]}, + [{http_version, "HTTP/1.1"} | Config], + [{statuscode, 200}]). + + +%%------------------------------------------------------------------------- htaccess_1_1(Config) when is_list(Config) -> htaccess([{http_version, "HTTP/1.1"} | Config]). @@ -1685,6 +1736,7 @@ start_apps(Group) when Group == http_basic; Group == http_security; Group == http_logging; Group == http_reload; + Group == http_post; Group == http_mime_types-> inets_test_lib:start_apps([inets]). @@ -1731,6 +1783,8 @@ server_config(https_basic, Config) -> basic_conf() ++ server_config(https, Config); server_config(http_reload, Config) -> [{keep_alive_timeout, 2}] ++ server_config(http, Config); +server_config(http_post, Config) -> + [{max_client_body_chunk, 10}] ++ server_config(http, Config); server_config(https_reload, Config) -> [{keep_alive_timeout, 2}] ++ server_config(https, Config); server_config(http_limit, Config) -> diff --git a/lib/inets/test/uri_SUITE.erl b/lib/inets/test/uri_SUITE.erl index 3e7799141c..f973296af6 100644 --- a/lib/inets/test/uri_SUITE.erl +++ b/lib/inets/test/uri_SUITE.erl @@ -277,8 +277,8 @@ encode_decode(Config) when is_list(Config) -> ?assertEqual("foo%20bar", http_uri:encode("foo bar")), ?assertEqual(<<"foo%20bar">>, http_uri:encode(<<"foo bar">>)), - ?assertEqual("foo bar", http_uri:decode("foo+bar")), - ?assertEqual(<<"foo bar">>, http_uri:decode(<<"foo+bar">>)), + ?assertEqual("foo+bar", http_uri:decode("foo+bar")), + ?assertEqual(<<"foo+bar">>, http_uri:decode(<<"foo+bar">>)), ?assertEqual("foo bar", http_uri:decode("foo%20bar")), ?assertEqual(<<"foo bar">>, http_uri:decode(<<"foo%20bar">>)), ?assertEqual("foo\r\n", http_uri:decode("foo%0D%0A")), diff --git a/lib/inets/vsn.mk b/lib/inets/vsn.mk index 96796f11c0..c4314f1ab5 100644 --- a/lib/inets/vsn.mk +++ b/lib/inets/vsn.mk @@ -19,6 +19,6 @@ # %CopyrightEnd% APPLICATION = inets -INETS_VSN = 6.4 +INETS_VSN = 6.4.1 PRE_VSN = APP_VSN = "$(APPLICATION)-$(INETS_VSN)$(PRE_VSN)" diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl index ef7c3de7af..f44fe6a2bf 100644 --- a/lib/ssl/src/ssl_manager.erl +++ b/lib/ssl/src/ssl_manager.erl @@ -78,7 +78,7 @@ name(normal) -> ?MODULE; name(dist) -> - list_to_atom(atom_to_list(?MODULE) ++ "dist"). + list_to_atom(atom_to_list(?MODULE) ++ "_dist"). %%-------------------------------------------------------------------- -spec start_link(list()) -> {ok, pid()} | ignore | {error, term()}. diff --git a/lib/ssl/src/ssl_pem_cache.erl b/lib/ssl/src/ssl_pem_cache.erl index 6cc0729208..115ab4451d 100644 --- a/lib/ssl/src/ssl_pem_cache.erl +++ b/lib/ssl/src/ssl_pem_cache.erl @@ -65,7 +65,7 @@ name(normal) -> ?MODULE; name(dist) -> - list_to_atom(atom_to_list(?MODULE) ++ "dist"). + list_to_atom(atom_to_list(?MODULE) ++ "_dist"). %%-------------------------------------------------------------------- -spec start_link(list()) -> {ok, pid()} | ignore | {error, term()}. diff --git a/lib/ssl/src/ssl_pkix_db.erl b/lib/ssl/src/ssl_pkix_db.erl index b28636569d..8828c3a0d8 100644 --- a/lib/ssl/src/ssl_pkix_db.erl +++ b/lib/ssl/src/ssl_pkix_db.erl @@ -76,10 +76,17 @@ remove(Dbs) -> true = ets:delete(Db1); (undefined) -> ok; - (ssl_pem_cache) -> - ok; - (ssl_pem_cache_dist) -> - ok; + (Name) when is_atom(Name) -> + NormalName = ssl_pem_cache:name(normal), + DistName = ssl_pem_cache:name(dist), + case Name of + NormalName -> + ok; + DistName -> + ok; + _ -> + true = ets:delete(Name) + end; (Db) -> true = ets:delete(Db) end, Dbs). diff --git a/lib/stdlib/src/edlin.erl b/lib/stdlib/src/edlin.erl index 64d5a71f3c..5df9c504f9 100644 --- a/lib/stdlib/src/edlin.erl +++ b/lib/stdlib/src/edlin.erl @@ -412,12 +412,12 @@ do_op(backward_word, Bef0, Aft0, Rs) -> {Bef1,Aft1,N0} = over_non_word(Bef0, Aft0, 0), {Bef,Aft,N} = over_word(Bef1, Aft1, N0), {{Bef,Aft},[{move_rel,-N}|Rs]}; -do_op(beginning_of_line, [C|Bef], Aft, Rs) -> - {{[],reverse(Bef, [C|Aft])},[{move_rel,-(cp_len(Bef)+1)}|Rs]}; +do_op(beginning_of_line, [_|_]=Bef, Aft, Rs) -> + {{[],reverse(Bef, Aft)},[{move_rel,-(cp_len(Bef))}|Rs]}; do_op(beginning_of_line, [], Aft, Rs) -> {{[],Aft},Rs}; -do_op(end_of_line, Bef, [C|Aft], Rs) -> - {{reverse(Aft, [C|Bef]),[]},[{move_rel,cp_len(Aft)+1}|Rs]}; +do_op(end_of_line, Bef, [_|_]=Aft, Rs) -> + {{reverse(Aft, Bef),[]},[{move_rel,cp_len(Aft)}|Rs]}; do_op(end_of_line, Bef, [], Rs) -> {{Bef,[]},Rs}; do_op(ctlu, Bef, Aft, Rs) -> diff --git a/lib/tools/doc/src/venn2.fig b/lib/tools/doc/src/venn2.fig index 3694c12f0c..233686a729 100644 --- a/lib/tools/doc/src/venn2.fig +++ b/lib/tools/doc/src/venn2.fig @@ -1,4 +1,4 @@ -#FIG 3.2 +#FIG 3.2 Produced by xfig version 3.2.5c Portrait Center Inches @@ -7,34 +7,7 @@ Letter Single -2 1200 2 -6 3392 953 5034 3329 -6 3392 953 5034 2595 -6 3392 953 5034 2595 -5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 2652.489 1773.500 3518 1357 3613 1774 3518 2190 -5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 6306.956 1773.000 4028 2575 3891 1774 4028 971 -5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 2105.283 1773.000 4402 971 4538 1774 4402 2575 -1 1 0 1 -1 7 0 0 -1 0.000 1 0.0000 4214 1774 820 821 4214 1774 3659 1171 -2 1 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 1 - 4821 2325 -2 1 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 2 - 4816 1217 4816 2329 -2 1 0 1 -1 7 0 0 -1 0.000 0 0 7 0 0 2 - 3392 1769 4816 1769 -2 1 0 1 0 0 100 0 1 0.000 0 0 -1 0 0 2 - 4816 1982 5008 1982 --6 -2 3 0 0 0 0 101 0 5 0.000 0 0 -1 0 0 36 - 4026 977 4011 1025 3996 1072 3981 1120 3966 1177 3954 1225 - 3944 1272 3929 1327 3919 1412 3909 1477 3899 1540 3894 1592 - 3894 1642 3891 1697 3889 1742 3889 1770 3394 1767 3396 1717 - 3399 1665 3409 1610 3424 1555 3439 1502 3464 1440 3489 1390 - 3516 1340 3551 1292 3584 1250 3631 1200 3679 1150 3731 1110 - 3801 1065 3869 1030 3931 1005 3986 982 4009 980 4026 977 --6 -4 0 0 101 0 0 11 0.0000 4 105 525 3965 3044 X - XU\001 -4 0 0 101 0 0 11 0.0000 4 150 1110 3688 3299 exports_not_used\001 --6 -6 5850 938 7560 3329 +6 5850 938 8070 3344 6 5884 938 7526 2580 6 5884 938 7526 2580 5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 5144.489 1758.500 6010 1342 6105 1759 6010 2175 @@ -63,8 +36,8 @@ Single 7019 1990 7022 1945 7027 1900 7029 1855 7029 1805 7032 1765 7029 1752 7309 1757 -6 -4 0 0 101 0 0 11 0.0000 4 135 1470 6000 3014 L * (UU + (XU - LU))\001 -4 0 0 101 0 0 11 0.0000 4 150 1800 5850 3299 locals_not_used (simplified)\001 +4 0 0 101 0 0 11 0.0000 4 180 2070 6000 3014 (L-OL) * (UU + (XU-LU))\001 +4 0 0 101 0 0 11 0.0000 4 180 2160 5850 3299 locals_not_used (simplified)\001 -6 6 900 900 2550 3600 6 900 900 2550 2625 @@ -91,7 +64,34 @@ Single 2330 1222 2365 1265 2402 1317 2437 1382 2477 1455 2500 1517 2520 1585 2532 1645 2540 1712 2542 1780 2540 1842 2535 1907 2527 1957 2517 1990 2325 1987 2330 1222 -4 0 0 101 0 0 11 0.0000 4 105 780 1331 3044 XU - X - B\001 -4 0 0 101 0 0 11 0.0000 4 150 1260 1113 3314 undefined_functions\001 +4 0 0 101 0 0 11 0.0000 4 135 825 1331 3044 XU - X - B\001 +4 0 0 101 0 0 11 0.0000 4 180 1530 1113 3314 undefined_functions\001 4 0 0 100 0 0 10 0.0000 4 135 1005 1275 3525 (modules mode)\001 -6 +6 3392 953 5034 3329 +6 3392 953 5034 2595 +6 3392 953 5034 2595 +5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 2652.489 1773.500 3518 1357 3613 1774 3518 2190 +5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 6306.956 1773.000 4028 2575 3891 1774 4028 971 +5 1 0 1 -1 7 0 0 -1 0.000 0 0 0 0 2105.283 1773.000 4402 971 4538 1774 4402 2575 +1 1 0 1 -1 7 0 0 -1 0.000 1 0.0000 4214 1774 820 821 4214 1774 3659 1171 +2 1 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 1 + 4821 2325 +2 1 0 1 -1 7 0 0 -1 0.000 0 0 -1 0 0 2 + 4816 1217 4816 2329 +2 1 0 1 -1 7 0 0 -1 0.000 0 0 7 0 0 2 + 3392 1769 4816 1769 +2 1 0 1 0 0 100 0 1 0.000 0 0 -1 0 0 2 + 4816 1982 5008 1982 +-6 +2 3 0 0 0 0 101 0 5 0.000 0 0 -1 0 0 36 + 4026 977 4011 1025 3996 1072 3981 1120 3966 1177 3954 1225 + 3944 1272 3929 1327 3919 1412 3909 1477 3899 1540 3894 1592 + 3894 1642 3891 1697 3889 1742 3889 1770 3394 1767 3396 1717 + 3399 1665 3409 1610 3424 1555 3439 1502 3464 1440 3489 1390 + 3516 1340 3551 1292 3584 1250 3631 1200 3679 1150 3731 1110 + 3801 1065 3869 1030 3931 1005 3986 982 4009 980 4026 977 +-6 +4 0 0 101 0 0 11 0.0000 4 135 555 3965 3044 X - XU\001 +4 0 0 101 0 0 11 0.0000 4 180 1350 3688 3299 exports_not_used\001 +-6 diff --git a/lib/tools/doc/src/venn2.gif b/lib/tools/doc/src/venn2.gif Binary files differindex 4cfea24646..bb12f4bd1f 100644 --- a/lib/tools/doc/src/venn2.gif +++ b/lib/tools/doc/src/venn2.gif diff --git a/lib/tools/doc/src/xref.xml b/lib/tools/doc/src/xref.xml index 8c49f3a206..6f833246ad 100644 --- a/lib/tools/doc/src/xref.xml +++ b/lib/tools/doc/src/xref.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2000</year><year>2016</year> + <year>2000</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -347,6 +347,9 @@ represented by <item>Locally Used Functions (*). Functions of all modules that have been used in some local call. </item> + <tag><c>OL</c></tag> + <item>Functions with an attribute tag <c>on_load</c> (*). + </item> <tag><c>LC</c></tag> <item>Local Calls (*).</item> <tag><c>XC</c></tag> @@ -393,6 +396,7 @@ facts about the <c>LU</c> and <c>XU</c> may have elements in common. Put in another way:</item> <item><c>V</c> is equal to <c>UU + XU + LU</c>.</item> + <item><c>OL</c> is a subset of <c>F</c>.</item> <item><c>E</c> is equal to <c>LC + XC</c>. Note that <c>LC</c> and <c>XC</c> may have elements in common, namely if some function is locally and externally used from one and the same @@ -559,8 +563,10 @@ Two functions (modules, analyzing operators: </p> <list type="bulleted"> - <item>Expression ::= Expression GraphOp Expression</item> - <item>GraphOp ::= <c>components</c> | <c>condensation</c> | <c>of</c></item> + <item>Expression ::= Expression BinaryGraphOp Expression</item> + <item>Expression ::= UnaryGraphOp Expression</item> + <item>UnaryGraphOp ::= <c>components</c> | <c>condensation</c></item> + <item>BinaryGraphOp ::= <c>of</c></item> </list> <p>As was mentioned before, the graph analyses operate on the <c>digraph</c> representation of graphs. diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el index 3eff13e1d3..411e0e13df 100644 --- a/lib/tools/emacs/erlang.el +++ b/lib/tools/emacs/erlang.el @@ -1,10 +1,10 @@ -;;; erlang.el --- Major modes for editing and running Erlang +;;; erlang.el --- Major modes for editing and running Erlang -*- lexical-binding: t; -*- ;; Copyright (C) 2004 Free Software Foundation, Inc. ;; Author: Anders Lindgren ;; Keywords: erlang, languages, processes ;; Date: 2011-12-11 -;; Version: 2.7.0 +;; Version: 2.8.0 ;; Package-Requires: ((emacs "24.1")) ;; %CopyrightBegin% @@ -84,7 +84,7 @@ "The Erlang programming language." :group 'languages) -(defconst erlang-version "2.7" +(defconst erlang-version "2.8.0" "The version number of Erlang mode.") (defcustom erlang-root-dir nil @@ -1020,26 +1020,15 @@ files written in other languages than Erlang.") If nil, the inferior shell replaces the window. This is the traditional behaviour.") -(defconst inferior-erlang-use-cmm (boundp 'minor-mode-overriding-map-alist) - "Non-nil means use `compilation-minor-mode' in Erlang shell.") - (defvar erlang-mode-map (let ((map (make-sparse-keymap))) - (unless (boundp 'indent-line-function) - (define-key map "\t" 'erlang-indent-command)) (define-key map ";" 'erlang-electric-semicolon) (define-key map "," 'erlang-electric-comma) (define-key map "<" 'erlang-electric-lt) (define-key map ">" 'erlang-electric-gt) (define-key map "\C-m" 'erlang-electric-newline) - (if (not (boundp 'delete-key-deletes-forward)) - (define-key map "\177" 'backward-delete-char-untabify) - (define-key map [(backspace)] 'backward-delete-char-untabify)) - ;;(unless (boundp 'fill-paragraph-function) + (define-key map [(backspace)] 'backward-delete-char-untabify) (define-key map "\M-q" 'erlang-fill-paragraph) - (unless (boundp 'beginning-of-defun-function) - (define-key map "\M-\C-a" 'erlang-beginning-of-function) - (define-key map "\M-\C-e" 'erlang-end-of-function)) (define-key map "\M-\t" 'erlang-complete-tag) (define-key map "\C-c\M-\t" 'tempo-complete-tag) (define-key map "\M-+" 'erlang-find-next-tag) @@ -1058,8 +1047,6 @@ behaviour.") (define-key map "\C-c\C-y" 'erlang-clone-arguments) (define-key map "\C-c\C-a" 'erlang-align-arrows) (define-key map "\C-c\C-z" 'erlang-shell-display) - (unless inferior-erlang-use-cmm - (define-key map "\C-x`" 'erlang-next-error)) map) "Keymap used in Erlang mode.") (defvar erlang-mode-abbrev-table nil @@ -3391,14 +3378,6 @@ at the end." ;;; Information retrieval functions. -(defun erlang-buffer-substring (beg end) - "Like `buffer-substring-no-properties'. -Although, this function works on all versions of Emacs." - (if (fboundp 'buffer-substring-no-properties) - (funcall (symbol-function 'buffer-substring-no-properties) beg end) - (buffer-substring beg end))) - - (defun erlang-get-module () "Return the name of the module as specified by `-module'. @@ -3416,7 +3395,7 @@ Return nil if file contains no `-module' attribute." "\\)?\\)\\s *)\\s *\\.")) (point-max) t) (erlang-remove-quotes - (erlang-buffer-substring (match-beginning 1) + (buffer-substring-no-properties (match-beginning 1) (match-end 1))) nil) (store-match-data md)))))) @@ -3470,10 +3449,10 @@ corresponds to the order of the parsed Erlang list." (setq res (cons (cons (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning 1) (match-end 1))) (string-to-number - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning (+ 1 erlang-atom-regexp-matches)) (match-end @@ -3520,7 +3499,7 @@ function and arity as cdr part." (erlang-skip-blank) (if (looking-at erlang-atom-regexp) (let ((module (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning 0) (match-end 0))))) (goto-char (match-end 0)) @@ -3553,7 +3532,7 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.: (let ((n (if arg 0 1))) (and (looking-at (eval-when-compile (concat "^" erlang-atom-regexp "\\s *("))) - (erlang-buffer-substring (match-beginning n) (match-end n))))) + (buffer-substring-no-properties (match-beginning n) (match-end n))))) (defun erlang-get-function-arrow () @@ -3567,7 +3546,7 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.: (and (save-excursion (re-search-forward "->" (point-max) t) - (erlang-buffer-substring (- (point) 2) (+ (point) 1))))) + (buffer-substring-no-properties (- (point) 2) (+ (point) 1))))) (defun erlang-get-function-arity () "Return the number of arguments of function at point, or nil." @@ -3633,7 +3612,7 @@ The return value is a string of the form \"foo/1\"." (let ((start (match-end 0))) (goto-char (- start 1)) (forward-sexp) - (erlang-buffer-substring start (- (point) 1))) + (buffer-substring-no-properties start (- (point) 1))) (error nil))))) @@ -3698,10 +3677,10 @@ of arguments could be found, otherwise nil." (defun erlang-get-qualified-function-id-at-point () (let ((kind 'qualified-function) (module (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning 1) (match-end 1)))) (name (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning (1+ erlang-atom-regexp-matches)) (match-end (1+ erlang-atom-regexp-matches))))) (arity (progn @@ -3713,14 +3692,14 @@ of arguments could be found, otherwise nil." (let ((kind 'module) (module nil) (name (erlang-remove-quotes - (erlang-buffer-substring (match-beginning 1) + (buffer-substring-no-properties (match-beginning 1) (match-end 1)))) (arity nil)) (list kind module name arity))) (defun erlang-get-some-other-id-at-point () (let ((name (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning 0) (match-end 0)))) (imports (erlang-get-import)) kind module arity) @@ -5135,7 +5114,7 @@ Erlang compilation package.") "Command to execute to go to the next error. Change this variable to use your favorite Erlang compilation -package. Not used in Emacs 21.") +package.") ;;;###autoload @@ -5194,6 +5173,13 @@ future, a new shell on an already running host will be started." (defvar erlang-shell-buffer-name "*erlang*" "The name of the Erlang link shell buffer.") +(defcustom erlang-shell-prompt-read-only t + "If non-nil, the prompt will be read-only. + +Also see the description of `ielm-prompt-read-only'." + :type 'boolean + :package-version '(erlang . "2.8.0")) + (defvar erlang-shell-mode-map nil "Keymap used by Erlang shells.") @@ -5234,17 +5220,11 @@ The following special commands are available: (setq erlang-shell-mode-map (copy-keymap comint-mode-map)) (erlang-shell-mode-commands erlang-shell-mode-map)) (use-local-map erlang-shell-mode-map) - (unless inferior-erlang-use-cmm - ;; This was originally not a marker, but it needs to be, at least - ;; in Emacs 21, and should be backwards-compatible. Otherwise, - ;; would need to test whether compilation-parsing-end is a marker - ;; after requiring `compile'. - (set (make-local-variable 'compilation-parsing-end) (copy-marker 1)) - (set (make-local-variable 'compilation-error-list) nil) - (set (make-local-variable 'compilation-old-error-list) nil)) ;; Needed when compiling directly from the Erlang shell. (setq compilation-last-buffer (current-buffer)) (setq comint-prompt-regexp "^[^>=]*> *") + (make-local-variable 'comint-prompt-read-only) + (setq comint-prompt-read-only erlang-shell-prompt-read-only) (setq comint-eol-on-send t) (setq comint-input-ignoredups t) (setq comint-scroll-show-maximum-output t) @@ -5258,24 +5238,20 @@ The following special commands are available: (comint-read-input-ring t) (make-local-variable 'kill-buffer-hook) (add-hook 'kill-buffer-hook 'comint-write-input-ring) - ;; At least in Emacs 21, we need to be in `compilation-minor-mode' - ;; for `next-error' to work. We can avoid it clobbering the shell - ;; keys thus. - (when inferior-erlang-use-cmm - (compilation-minor-mode 1) - (set (make-local-variable 'minor-mode-overriding-map-alist) - `((compilation-minor-mode - . ,(let ((map (make-sparse-keymap))) - ;; It would be useful to put keymap properties on the - ;; error lines so that we could use RET and mouse-2 - ;; on them directly. - (when (boundp 'compilation-skip-threshold) ; new compile.el - (define-key map [mouse-2] #'erlang-mouse-2-command) - (define-key map "\C-m" #'erlang-RET-command)) - (if (boundp 'compilation-menu-map) - (define-key map [menu-bar compilation] - (cons "Errors" compilation-menu-map))) - map))))) + (compilation-minor-mode 1) + (set (make-local-variable 'minor-mode-overriding-map-alist) + `((compilation-minor-mode + . ,(let ((map (make-sparse-keymap))) + ;; It would be useful to put keymap properties on the + ;; error lines so that we could use RET and mouse-2 + ;; on them directly. + (when (boundp 'compilation-skip-threshold) ; new compile.el + (define-key map [mouse-2] #'erlang-mouse-2-command) + (define-key map "\C-m" #'erlang-RET-command)) + (if (boundp 'compilation-menu-map) + (define-key map [menu-bar compilation] + (cons "Errors" compilation-menu-map))) + map)))) (erlang-tags-init) (run-hooks 'erlang-shell-mode-hook)) @@ -5304,9 +5280,7 @@ Selects Comint or Compilation mode command as appropriate." (define-key map "\C-a" 'comint-bol) ; Normally the other way around. (define-key map "\C-c\C-a" 'beginning-of-line) (define-key map "\C-d" nil) ; Was `comint-delchar-or-maybe-eof' - (define-key map "\M-\C-m" 'compile-goto-error) - (unless inferior-erlang-use-cmm - (define-key map "\C-x`" 'erlang-next-error))) + (define-key map "\M-\C-m" 'compile-goto-error)) ;;; ;;; Inferior Erlang -- Run an Erlang shell as a subprocess. @@ -5917,35 +5891,6 @@ Tab characters are counted by their visual width." (if (looking-at "[a-z0-9_]+") (match-string 0)))) -;; Aliases for backward compatibility with older versions of Erlang Mode. -;; -;; Unfortuantely, older versions of Emacs doesn't have `defalias' and -;; `make-obsolete' so we have to define our own `obsolete' function. - -(defun erlang-obsolete (sym newdef) - "Make the obsolete function SYM refer to the defined function NEWDEF. - -Simplified version of a combination `defalias' and `make-obsolete', -it assumes that NEWDEF is loaded." - (defalias sym (symbol-function newdef)) - (make-obsolete sym newdef "long ago")) - - -(erlang-obsolete 'calculate-erlang-indent 'erlang-calculate-indent) -(erlang-obsolete 'calculate-erlang-stack-indent - 'erlang-calculate-stack-indent) -(erlang-obsolete 'at-erlang-keyword 'erlang-at-keyword) -(erlang-obsolete 'at-erlang-operator 'erlang-at-operator) -(erlang-obsolete 'beginning-of-erlang-clause 'erlang-beginning-of-clause) -(erlang-obsolete 'end-of-erlang-clause 'erlang-end-of-clause) -(erlang-obsolete 'mark-erlang-clause 'erlang-mark-clause) -(erlang-obsolete 'beginning-of-erlang-function 'erlang-beginning-of-function) -(erlang-obsolete 'end-of-erlang-function 'erlang-end-of-function) -(erlang-obsolete 'mark-erlang-function 'erlang-mark-function) -(erlang-obsolete 'pass-over-erlang-clause 'erlang-pass-over-function) -(erlang-obsolete 'name-of-erlang-function 'erlang-name-of-function) - - (defconst erlang-unload-hook (list (lambda () (ad-unadvise 'Man-notify-when-ready) diff --git a/lib/tools/src/xref_base.erl b/lib/tools/src/xref_base.erl index 3199b28acb..a28c6ee283 100644 --- a/lib/tools/src/xref_base.erl +++ b/lib/tools/src/xref_base.erl @@ -400,7 +400,9 @@ analysis(locals_not_used, functions) -> %% used (indirectly) from any export: "(domain EE + range EE) * L". %% But then we only get locals that make some calls, so we add %% locals that are not used at all: "L * (UU + XU - LU)". - "L * ((UU + XU - LU) + domain EE + range EE)"; + %% We also need to exclude functions with the -on_load() attribute: + %% (L - OL) is used rather than just L. + "(L - OL) * ((UU + XU - LU) + domain EE + range EE)"; analysis(exports_not_used, _) -> %% Local calls are not considered here. "X * UU" would do otherwise. "X - XU"; @@ -918,7 +920,7 @@ do_add_module(S, XMod, Unres, Data) -> {ok, Ms, Bad, NS}. prepare_module(_Mode = functions, XMod, Unres0, Data) -> - {DefAt0, LPreCAt0, XPreCAt0, LC0, XC0, X0, Attrs, Depr} = Data, + {DefAt0, LPreCAt0, XPreCAt0, LC0, XC0, X0, Attrs, Depr, OL0} = Data, %% Bad is a list of bad values of 'xref' attributes. {ALC0,AXC0,Bad0} = Attrs, FT = [tspec(func)], @@ -935,6 +937,7 @@ prepare_module(_Mode = functions, XMod, Unres0, Data) -> ALC1 = xref_utils:xset(ALC0, PCA), UnresCalls = xref_utils:xset(Unres0, PCA), Unres = domain(UnresCalls), + OL1 = xref_utils:xset(OL0, FT), DefinedFuns = domain(DefAt), {AXC, ALC, Bad1, LPreCAt2, XPreCAt2} = @@ -955,7 +958,7 @@ prepare_module(_Mode = functions, XMod, Unres0, Data) -> {DF1,DF_11,DF_21,DF_31,DBad} = depr_mod(Depr, X), {EE, ECallAt} = inter_graph(X, L, LC, XC, CallAt), {ok, {functions, XMod, [DefAt,L,X,LCallAt,XCallAt,CallAt,LC,XC,EE,ECallAt, - DF1,DF_11,DF_21,DF_31], NoCalls, Unres}, + OL1,DF1,DF_11,DF_21,DF_31], NoCalls, Unres}, DBad++Bad}; prepare_module(_Mode = modules, XMod, _Unres, Data) -> {X0, I0, Depr} = Data, @@ -967,7 +970,7 @@ prepare_module(_Mode = modules, XMod, _Unres, Data) -> finish_module({functions, XMod, List, NoCalls, Unres}, S) -> ok = check_module(XMod, S), [DefAt2,L2,X2,LCallAt2,XCallAt2,CallAt2,LC2,XC2,EE2,ECallAt2, - DF2,DF_12,DF_22,DF_32] = pack(List), + OL2,DF2,DF_12,DF_22,DF_32] = pack(List), LU = range(LC2), @@ -976,7 +979,7 @@ finish_module({functions, XMod, List, NoCalls, Unres}, S) -> M = XMod#xref_mod.name, MS = xref_utils:xset(M, atom), T = from_sets({MS,DefAt2,L2,X2,LCallAt2,XCallAt2,CallAt2, - LC2,XC2,LU,EE2,ECallAt2,Unres,LPredefined, + LC2,XC2,LU,EE2,ECallAt2,Unres,LPredefined,OL2, DF2,DF_12,DF_22,DF_32}), NoUnres = XMod#xref_mod.no_unresolved, @@ -1220,7 +1223,7 @@ do_set_up(S, VerboseOpt) -> %% If data has been supplied using add_module/9 (and that is the only %% sanctioned way), then DefAt, L, X, LCallAt, XCallAt, CallAt, XC, LC, -%% and LU are guaranteed to be functions (with all supplied +%% LU and OL are guaranteed to be functions (with all supplied %% modules as domain (disregarding unknown modules, that is, modules %% not supplied but hosting unknown functions)). %% As a consequence, V and E are also functions. V is defined for unknown @@ -1233,8 +1236,8 @@ do_set_up(S, VerboseOpt) -> do_set_up(S) when S#xref.mode =:= functions -> ModDictList = dict:to_list(S#xref.modules), [DefAt0, L, X0, LCallAt, XCallAt, CallAt, LC, XC, LU, - EE0, ECallAt, UC, LPredefined, - Mod_DF,Mod_DF_1,Mod_DF_2,Mod_DF_3] = make_families(ModDictList, 18), + EE0, ECallAt, UC, LPredefined, OL, + Mod_DF,Mod_DF_1,Mod_DF_2,Mod_DF_3] = make_families(ModDictList, 19), {XC_1, XU, XPredefined} = do_set_up_1(XC), LC_1 = user_family(union_of_family(LC)), @@ -1314,13 +1317,14 @@ do_set_up(S) when S#xref.mode =:= functions -> UC_1 = user_family(union_of_family(UC)), ?FORMAT("DefAt ~p~n", [DefAt]), - ?FORMAT("U=~p~nLib=~p~nB=~p~nLU=~p~nXU=~p~nUU=~p~n", [U,Lib,B,LU,XU,UU]), + ?FORMAT("U=~p~nLib=~p~nB=~p~nLU=~p~nXU=~p~nUU=~p~nOL=~p~n", + [U,Lib,B,LU,XU,UU,OL]), ?FORMAT("E_1=~p~nLC_1=~p~nXC_1=~p~n", [E_1,LC_1,XC_1]), ?FORMAT("EE=~p~nEE_1=~p~nECallAt=~p~n", [EE, EE_1, ECallAt]), ?FORMAT("DF=~p~nDF_1=~p~nDF_2=~p~nDF_3=~p~n", [DF, DF_1, DF_2, DF_3]), Vs = [{'L',L}, {'X',X},{'F',F},{'U',U},{'B',B},{'UU',UU}, - {'XU',XU},{'LU',LU},{'V',V},{v,V}, + {'XU',XU},{'LU',LU},{'V',V},{v,V},{'OL',OL}, {'LC',{LC,LC_1}},{'XC',{XC,XC_1}},{'E',{E,E_1}},{e,{E,E_1}}, {'EE',{EE,EE_1}},{'UC',{UC,UC_1}}, {'M',M},{'A',A},{'R',R}, @@ -1405,6 +1409,7 @@ var_type('U') -> {function, vertex}; var_type('UU') -> {function, vertex}; var_type('V') -> {function, vertex}; var_type('X') -> {function, vertex}; +var_type('OL') -> {function, vertex}; var_type('XU') -> {function, vertex}; var_type('DF') -> {function, vertex}; var_type('DF_1') -> {function, vertex}; diff --git a/lib/tools/src/xref_reader.erl b/lib/tools/src/xref_reader.erl index 88f92df35a..d28bdb78db 100644 --- a/lib/tools/src/xref_reader.erl +++ b/lib/tools/src/xref_reader.erl @@ -42,7 +42,8 @@ %% experimental; -xref(FunEdge) is recognized. lattrs=[], % local calls, {{mfa(),mfa()},Line} xattrs=[], % external calls, -"- - battrs=[] % badly formed xref attributes, term(). + battrs=[], % badly formed xref attributes, term(). + on_load % function name }). -include("xref.hrl"). @@ -68,15 +69,26 @@ forms([F | Fs], S) -> forms([], S) -> #xrefr{module = M, def_at = DefAt, l_call_at = LCallAt, x_call_at = XCallAt, - el = LC, ex = XC, x = X, df = Depr, + el = LC, ex = XC, x = X, df = Depr, on_load = OnLoad, + lattrs = AL, xattrs = AX, battrs = B, unresolved = U} = S, + OL = case OnLoad of + undefined -> []; + F -> + [{M, F, 0}] + end, + #xrefr{def_at = DefAt, + l_call_at = LCallAt, x_call_at = XCallAt, + el = LC, ex = XC, x = X, df = Depr, on_load = OnLoad, lattrs = AL, xattrs = AX, battrs = B, unresolved = U} = S, Attrs = {lists:reverse(AL), lists:reverse(AX), lists:reverse(B)}, - {ok, M, {DefAt, LCallAt, XCallAt, LC, XC, X, Attrs, Depr}, U}. + {ok, M, {DefAt, LCallAt, XCallAt, LC, XC, X, Attrs, Depr, OL}, U}. form({attribute, Line, xref, Calls}, S) -> % experimental #xrefr{module = M, function = Fun, lattrs = L, xattrs = X, battrs = B} = S, attr(Calls, erl_anno:line(Line), M, Fun, L, X, B, S); +form({attribute, _, on_load, {F, 0}}, S) -> + S#xrefr{on_load = F}; form({attribute, _Line, _Attr, _Val}, S) -> S; form({function, _, module_info, 0, _Clauses}, S) -> diff --git a/lib/tools/test/xref_SUITE.erl b/lib/tools/test/xref_SUITE.erl index 379a5c09ab..d651cbcfee 100644 --- a/lib/tools/test/xref_SUITE.erl +++ b/lib/tools/test/xref_SUITE.erl @@ -51,7 +51,7 @@ -export([analyze/1, basic/1, md/1, q/1, variables/1, unused_locals/1]). -export([format_error/1, otp_7423/1, otp_7831/1, otp_10192/1, otp_13708/1, - otp_14464/1]). + otp_14464/1, otp_14344/1]). -import(lists, [append/2, flatten/1, keysearch/3, member/2, sort/1, usort/1]). @@ -85,7 +85,7 @@ groups() -> [analyze, basic, md, q, variables, unused_locals]}, {misc, [], [format_error, otp_7423, otp_7831, otp_10192, otp_13708, - otp_14464]}]. + otp_14464, otp_14344]}]. init_per_suite(Conf) when is_list(Conf) -> @@ -2441,6 +2441,30 @@ otp_14464(Conf) when is_list(Conf) -> ok = file:delete(File1), ok = file:delete(Beam1). +%% OTP-14344. -on_load() attribute. +otp_14344(Conf) when is_list(Conf) -> + Dir = ?copydir, + + File1 = fname(Dir, "a.erl"), + MFile1 = fname(Dir, "a"), + Beam1 = fname(Dir, "a.beam"), + Test1 = <<"-module(a). + -on_load(doit/0). + doit() -> ok. + ">>, + ok = file:write_file(File1, Test1), + {ok, a} = compile:file(File1, [debug_info,{outdir,Dir}]), + + {ok, _} = xref:start(s), + {ok, a} = xref:add_module(s, MFile1), + + {ok, [{a,doit,0}]} = xref:q(s, "OL"), + {ok, []} = xref:analyze(s, locals_not_used), + + xref:stop(s), + ok = file:delete(File1), + ok = file:delete(Beam1). + %%% %%% Utilities %%% @@ -2515,7 +2539,8 @@ add_module(S, XMod, DefAt, X, LCallAt, XCallAt, XC, LC) -> Depr0 = {[], [], [], []}, DBad = [], Depr = {Depr0,DBad}, - Data = {DefAt, LCallAt, XCallAt, LC, XC, X, Attr, Depr}, + OL = [], + Data = {DefAt, LCallAt, XCallAt, LC, XC, X, Attr, Depr, OL}, Unres = [], {ok, _Module, _Bad, State} = xref_base:do_add_module(S, XMod, Unres, Data), @@ -2596,6 +2621,9 @@ functions_mode_check(S, Info) -> %% UU subset F {ok, []} = xref:q(S, "UU - F"), + %% OL subset F + {ok, []} = xref:q(S, "OL - F"), + %% ME = (Mod) E {ok, ME} = xref:q(S, "ME"), {ok, ME} = xref:q(S, "(Mod) E"), diff --git a/otp_versions.table b/otp_versions.table index 3c6474bf4d..b6527594da 100644 --- a/otp_versions.table +++ b/otp_versions.table @@ -1,3 +1,4 @@ +OTP-20.0.5 : erts-9.0.5 inets-6.4.1 # asn1-5.0.2 common_test-1.15.1 compiler-7.1.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.2 cosTime-1.2.2 cosTransactions-1.3.2 crypto-4.0 debugger-4.2.2 dialyzer-3.2.1 diameter-2.0 edoc-0.9 eldap-1.2.2 erl_docgen-0.7 erl_interface-3.10 et-1.6 eunit-2.3.3 hipe-3.16 ic-4.4.2 jinterface-1.8 kernel-5.3.1 megaco-3.18.2 mnesia-4.15 observer-2.4 odbc-2.12 orber-3.8.3 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.5 public_key-1.4.1 reltool-0.7.4 runtime_tools-1.12.1 sasl-3.0.4 snmp-5.2.6 ssh-4.5.1 ssl-8.2 stdlib-3.4.1 syntax_tools-2.1.2 tools-2.10.1 wx-1.8.1 xmerl-1.3.15 : OTP-20.0.4 : dialyzer-3.2.1 erts-9.0.4 # asn1-5.0.2 common_test-1.15.1 compiler-7.1.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.2 cosTime-1.2.2 cosTransactions-1.3.2 crypto-4.0 debugger-4.2.2 diameter-2.0 edoc-0.9 eldap-1.2.2 erl_docgen-0.7 erl_interface-3.10 et-1.6 eunit-2.3.3 hipe-3.16 ic-4.4.2 inets-6.4 jinterface-1.8 kernel-5.3.1 megaco-3.18.2 mnesia-4.15 observer-2.4 odbc-2.12 orber-3.8.3 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.5 public_key-1.4.1 reltool-0.7.4 runtime_tools-1.12.1 sasl-3.0.4 snmp-5.2.6 ssh-4.5.1 ssl-8.2 stdlib-3.4.1 syntax_tools-2.1.2 tools-2.10.1 wx-1.8.1 xmerl-1.3.15 : OTP-20.0.3 : asn1-5.0.2 compiler-7.1.1 erts-9.0.3 ssh-4.5.1 # common_test-1.15.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.2 cosTime-1.2.2 cosTransactions-1.3.2 crypto-4.0 debugger-4.2.2 dialyzer-3.2 diameter-2.0 edoc-0.9 eldap-1.2.2 erl_docgen-0.7 erl_interface-3.10 et-1.6 eunit-2.3.3 hipe-3.16 ic-4.4.2 inets-6.4 jinterface-1.8 kernel-5.3.1 megaco-3.18.2 mnesia-4.15 observer-2.4 odbc-2.12 orber-3.8.3 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.5 public_key-1.4.1 reltool-0.7.4 runtime_tools-1.12.1 sasl-3.0.4 snmp-5.2.6 ssl-8.2 stdlib-3.4.1 syntax_tools-2.1.2 tools-2.10.1 wx-1.8.1 xmerl-1.3.15 : OTP-20.0.2 : asn1-5.0.1 erts-9.0.2 kernel-5.3.1 # common_test-1.15.1 compiler-7.1 cosEvent-2.2.1 cosEventDomain-1.2.1 cosFileTransfer-1.2.1 cosNotification-1.2.2 cosProperty-1.2.2 cosTime-1.2.2 cosTransactions-1.3.2 crypto-4.0 debugger-4.2.2 dialyzer-3.2 diameter-2.0 edoc-0.9 eldap-1.2.2 erl_docgen-0.7 erl_interface-3.10 et-1.6 eunit-2.3.3 hipe-3.16 ic-4.4.2 inets-6.4 jinterface-1.8 megaco-3.18.2 mnesia-4.15 observer-2.4 odbc-2.12 orber-3.8.3 os_mon-2.4.2 otp_mibs-1.1.1 parsetools-2.1.5 public_key-1.4.1 reltool-0.7.4 runtime_tools-1.12.1 sasl-3.0.4 snmp-5.2.6 ssh-4.5 ssl-8.2 stdlib-3.4.1 syntax_tools-2.1.2 tools-2.10.1 wx-1.8.1 xmerl-1.3.15 : |
