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mirror of https://github.com/processone/ejabberd.git synced 2024-10-03 14:45:16 +02:00

New configure option: --enable-nif

This commit is contained in:
Evgeniy Khramtsov 2010-07-01 20:54:01 +10:00
parent d9e2931ed9
commit 715cc5ea3b
12 changed files with 290 additions and 24 deletions

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@ -55,6 +55,11 @@ ifeq (@full_xml@, true)
EFLAGS+=-DFULL_XML_SUPPORT
endif
ifeq (@nif@, true)
EFLAGS+=-DNIF
ERLSHLIBS=xml.so
endif
ifeq (@transient_supervisors@, false)
EFLAGS+=-DNO_TRANSIENT_SUPERVISORS
endif
@ -68,7 +73,7 @@ prefix = @prefix@
exec_prefix = @exec_prefix@
SUBDIRS = @mod_irc@ @mod_pubsub@ @mod_muc@ @mod_proxy65@ @eldap@ @pam@ @web@ stringprep stun @tls@ @odbc@ @ejabberd_zlib@
ERLSHLIBS = expat_erl.so
ERLSHLIBS += expat_erl.so
ERLBEHAVS = cyrsasl.erl gen_mod.erl p1_fsm.erl
SOURCES_ALL = $(wildcard *.erl)
SOURCES_MISC = $(ERLBEHAVS) $(DEBUGTOOLS)

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@ -94,6 +94,15 @@ AC_ARG_ENABLE(full_xml,
esac],[full_xml=false])
AC_SUBST(full_xml)
AC_ARG_ENABLE(nif,
[AC_HELP_STRING([--enable-nif], [replace some functions with C equivalents. You should have Erlang R13B04 or higher (default: no)])],
[case "${enableval}" in
yes) nif=true ;;
no) nif=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-nif) ;;
esac],[nif=false])
AC_SUBST(nif)
AC_CONFIG_FILES([Makefile
$make_mod_irc
$make_mod_muc

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@ -46,6 +46,7 @@ start(normal, _Args) ->
db_init(),
sha:start(),
stringprep_sup:start_link(),
xml:start(),
start(),
translate:start(),
acl:start(),

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@ -627,7 +627,7 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
Socket = StateData#state.socket,
TLSSocket = (StateData#state.sockmod):starttls(
Socket, TLSOpts,
xml:element_to_string(
xml:element_to_binary(
{xmlelement, "proceed", [{"xmlns", ?NS_TLS}], []})),
fsm_next_state(wait_for_stream,
StateData#state{socket = TLSSocket,
@ -650,7 +650,7 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
Socket = StateData#state.socket,
ZlibSocket = (StateData#state.sockmod):compress(
Socket,
xml:element_to_string(
xml:element_to_binary(
{xmlelement, "compressed",
[{"xmlns", ?NS_COMPRESS}], []})),
fsm_next_state(wait_for_stream,
@ -1453,14 +1453,14 @@ change_shaper(StateData, JID) ->
(StateData#state.sockmod):change_shaper(StateData#state.socket, Shaper).
send_text(StateData, Text) ->
?DEBUG("Send XML on stream = ~p", [lists:flatten(Text)]),
?DEBUG("Send XML on stream = ~p", [Text]),
(StateData#state.sockmod):send(StateData#state.socket, Text).
send_element(StateData, El) when StateData#state.xml_socket ->
(StateData#state.sockmod):send_xml(StateData#state.socket,
{xmlstreamelement, El});
send_element(StateData, El) ->
send_text(StateData, xml:element_to_string(El)).
send_text(StateData, xml:element_to_binary(El)).
send_header(StateData, Server, Version, Lang)
when StateData#state.xml_socket ->

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@ -263,7 +263,7 @@ wait_for_feature_request({xmlstreamelement, El}, StateData) ->
TLSOpts = StateData#state.tls_options,
TLSSocket = (StateData#state.sockmod):starttls(
Socket, TLSOpts,
xml:element_to_string(
xml:element_to_binary(
{xmlelement, "proceed", [{"xmlns", ?NS_TLS}], []})),
{next_state, wait_for_stream,
StateData#state{socket = TLSSocket,
@ -618,7 +618,7 @@ send_text(StateData, Text) ->
(StateData#state.sockmod):send(StateData#state.socket, Text).
send_element(StateData, El) ->
send_text(StateData, xml:element_to_string(El)).
send_text(StateData, xml:element_to_binary(El)).
change_shaper(StateData, Host, JID) ->

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@ -892,7 +892,7 @@ send_text(StateData, Text) ->
ejabberd_socket:send(StateData#state.socket, Text).
send_element(StateData, El) ->
send_text(StateData, xml:element_to_string(El)).
send_text(StateData, xml:element_to_binary(El)).
send_queue(StateData, Q) ->
case queue:out(Q) of

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@ -347,7 +347,7 @@ handle_info({route, From, To, Packet}, StateName, StateData) ->
Attrs2 = jlib:replace_from_to_attrs(jlib:jid_to_string(From),
jlib:jid_to_string(To),
Attrs),
Text = xml:element_to_string({xmlelement, Name, Attrs2, Els}),
Text = xml:element_to_binary({xmlelement, Name, Attrs2, Els}),
send_text(StateData, Text);
deny ->
Err = jlib:make_error_reply(Packet, ?ERR_NOT_ALLOWED),
@ -391,7 +391,7 @@ send_text(StateData, Text) ->
(StateData#state.sockmod):send(StateData#state.socket, Text).
send_element(StateData, El) ->
send_text(StateData, xml:element_to_string(El)).
send_text(StateData, xml:element_to_binary(El)).
new_id() ->
randoms:get_string().

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@ -162,7 +162,7 @@ normal_state({route, From, "",
trunc(gen_mod:get_module_opt(
StateData#state.server_host,
mod_muc, min_message_interval, 0) * 1000000),
Size = iolist_size(xml:element_to_string(Packet)),
Size = element_size(Packet),
{MessageShaper, MessageShaperInterval} =
shaper:update(Activity#activity.message_shaper, Size),
if
@ -1394,7 +1394,7 @@ prepare_room_queue(StateData) ->
{{value, {message, From}}, _RoomQueue} ->
Activity = get_user_activity(From, StateData),
Packet = Activity#activity.message,
Size = iolist_size(xml:element_to_string(Packet)),
Size = element_size(Packet),
{RoomShaper, RoomShaperInterval} =
shaper:update(StateData#state.room_shaper, Size),
erlang:send_after(
@ -1405,7 +1405,7 @@ prepare_room_queue(StateData) ->
{{value, {presence, From}}, _RoomQueue} ->
Activity = get_user_activity(From, StateData),
{_Nick, Packet} = Activity#activity.presence,
Size = iolist_size(xml:element_to_string(Packet)),
Size = element_size(Packet),
{RoomShaper, RoomShaperInterval} =
shaper:update(StateData#state.room_shaper, Size),
erlang:send_after(
@ -2068,7 +2068,7 @@ add_message_to_history(FromNick, FromJID, Packet, StateData) ->
jlib:jid_replace_resource(StateData#state.jid, FromNick),
StateData#state.jid,
TSPacket),
Size = iolist_size(xml:element_to_string(SPacket)),
Size = element_size(SPacket),
Q1 = lqueue_in({FromNick, TSPacket, HaveSubject, TimeStamp, Size},
StateData#state.history),
add_to_log(text, {FromNick, Packet}, StateData),
@ -3582,3 +3582,6 @@ tab_count_user(JID) ->
_ ->
0
end.
element_size(El) ->
size(xml:element_to_binary(El)).

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@ -123,8 +123,7 @@ loop(Host, AccessMaxOfflineMsgs) ->
M#offline_msg.timestamp))]},
XML =
ejabberd_odbc:escape(
lists:flatten(
xml:element_to_string(Packet))),
xml:element_to_binary(Packet)),
odbc_queries:add_spool_sql(Username, XML)
end, Msgs),
case catch odbc_queries:add_spool(Host, Query) of

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@ -790,7 +790,7 @@ handle_http_put(Sid, Rid, Attrs, Payload, PayloadSize, StreamStart, IP) ->
?DEBUG("Trafic Shaper: Delaying request ~p", [Rid]),
timer:sleep(Pause),
%{200, ?HEADER,
% xml:element_to_string(
% xml:element_to_binary(
% {xmlelement, "body",
% [{"xmlns", ?NS_HTTP_BIND},
% {"type", "error"}], []})};
@ -827,21 +827,21 @@ handle_http_put_error(Reason, #http_bind{pid=FsmRef, version=Version})
case Reason of
not_exists ->
{200, ?HEADER,
xml:element_to_string(
xml:element_to_binary(
{xmlelement, "body",
[{"xmlns", ?NS_HTTP_BIND},
{"type", "terminate"},
{"condition", "item-not-found"}], []})};
bad_key ->
{200, ?HEADER,
xml:element_to_string(
xml:element_to_binary(
{xmlelement, "body",
[{"xmlns", ?NS_HTTP_BIND},
{"type", "terminate"},
{"condition", "item-not-found"}], []})};
polling_too_frequently ->
{200, ?HEADER,
xml:element_to_string(
xml:element_to_binary(
{xmlelement, "body",
[{"xmlns", ?NS_HTTP_BIND},
{"type", "terminate"},
@ -986,7 +986,7 @@ prepare_outpacket_response(#http_bind{id=Sid, wait=Wait,
MaxInactivity = get_max_inactivity(To, ?MAX_INACTIVITY),
MaxPause = get_max_pause(To),
{200, ?HEADER,
xml:element_to_string(
xml:element_to_binary(
{xmlelement,"body",
[{"xmlns",
?NS_HTTP_BIND},
@ -1041,7 +1041,7 @@ send_outpacket(#http_bind{pid = FsmRef}, OutPacket) ->
true ->
TypedEls = [check_default_xmlns(OEl) ||
{xmlstreamelement, OEl} <- OutPacket],
Body = xml:element_to_string(
Body = xml:element_to_binary(
{xmlelement,"body",
[{"xmlns",
?NS_HTTP_BIND}],
@ -1075,7 +1075,7 @@ send_outpacket(#http_bind{pid = FsmRef}, OutPacket) ->
StreamTail]
end,
{200, ?HEADER,
xml:element_to_string(
xml:element_to_binary(
{xmlelement,"body",
[{"xmlns",
?NS_HTTP_BIND}],
@ -1191,7 +1191,7 @@ set_inactivity_timer(_Pause, MaxInactivity) ->
elements_to_string([]) ->
[];
elements_to_string([El | Els]) ->
xml:element_to_string(El) ++ elements_to_string(Els).
[xml:element_to_binary(El)|elements_to_string(Els)].
%% @spec (To, Default::integer()) -> integer()
%% where To = [] | {Host::string(), Version::string()}

230
src/xml.c Normal file
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@ -0,0 +1,230 @@
#include <erl_nif.h>
#include <string.h>
#include <stdio.h>
struct buf {
int limit;
int len;
unsigned char *b;
};
static int make_element(ErlNifEnv* env, struct buf *rbuf, ERL_NIF_TERM el);
static struct buf *init_buf(ErlNifEnv* env)
{
struct buf *rbuf = enif_alloc(env, sizeof(struct buf));
rbuf->limit = 1024;
rbuf->len = 0;
rbuf->b = enif_alloc(env, rbuf->limit);
return rbuf;
}
static void destroy_buf(ErlNifEnv* env, struct buf *rbuf)
{
if (rbuf) {
if (rbuf->b) {
enif_free(env, rbuf->b);
};
enif_free(env, rbuf);
};
}
inline void resize_buf(ErlNifEnv* env, struct buf *rbuf, int len_to_add)
{
int new_len = rbuf->len + len_to_add;
if (new_len >= rbuf->limit) {
rbuf->limit = ((new_len / 1024) + 1) * 1024;
rbuf->b = enif_realloc(env, rbuf->b, rbuf->limit);
};
}
static void buf_add_char(ErlNifEnv* env, struct buf *rbuf, unsigned char c)
{
resize_buf(env, rbuf, 1);
(rbuf->b)[rbuf->len] = c;
rbuf->len += 1;
}
static void buf_add_str(ErlNifEnv* env, struct buf *rbuf, char *data, int len)
{
resize_buf(env, rbuf, len);
memcpy(rbuf->b + rbuf->len, data, len);
rbuf->len += len;
}
inline void crypt(ErlNifEnv* env, struct buf *rbuf, unsigned char *data, int len)
{
int i;
for (i = 0; i < len; i++) {
switch (data[i]) {
case '&':
buf_add_str(env, rbuf, "&amp;", 5);
break;
case '<':
buf_add_str(env, rbuf, "&lt;", 4);
break;
case '>':
buf_add_str(env, rbuf, "&gt;", 4);
break;
case '"':
buf_add_str(env, rbuf, "&quot;", 6);
break;
case '\'':
buf_add_str(env, rbuf, "&apos;", 6);
break;
default:
buf_add_char(env, rbuf, data[i]);
break;
};
};
}
static int make_elements(ErlNifEnv* env, struct buf *rbuf, ERL_NIF_TERM els)
{
ERL_NIF_TERM head, tail;
int ret = 0;
while (enif_get_list_cell(env, els, &head, &tail)) {
ret = make_element(env, rbuf, head);
if (ret) {
els = tail;
} else {
break;
};
};
return ret;
}
static int make_attrs(ErlNifEnv* env, struct buf *rbuf, ERL_NIF_TERM attrs)
{
ErlNifBinary name, data;
ERL_NIF_TERM head, tail;
const ERL_NIF_TERM *tuple;
int arity, ret = 1;
while (enif_get_list_cell(env, attrs, &head, &tail)) {
if (enif_get_tuple(env, head, &arity, &tuple)) {
if (arity == 2) {
if (enif_inspect_iolist_as_binary(env, tuple[0], &name) &&
enif_inspect_iolist_as_binary(env, tuple[1], &data)) {
buf_add_char(env, rbuf, ' ');
buf_add_str(env, rbuf, (char *)name.data, name.size);
buf_add_str(env, rbuf, "='", 2);
crypt(env, rbuf, data.data, data.size);
buf_add_char(env, rbuf, '\'');
attrs = tail;
} else {
ret = 0;
break;
};
} else {
ret = 0;
break;
};
} else {
ret = 0;
break;
};
};
return ret;
}
static int make_element(ErlNifEnv* env, struct buf *rbuf, ERL_NIF_TERM el)
{
ErlNifBinary cdata, name;
const ERL_NIF_TERM *tuple;
int arity, ret = 0;
if (enif_get_tuple(env, el, &arity, &tuple)) {
if (arity == 2) {
if (!enif_compare(env, tuple[0], enif_make_atom(env, "xmlcdata"))) {
if (enif_inspect_iolist_as_binary(env, tuple[1], &cdata)) {
crypt(env, rbuf, cdata.data, cdata.size);
ret = 1;
};
};
};
if (arity == 4) {
if (!enif_compare(env, tuple[0], enif_make_atom(env, "xmlelement"))) {
if (enif_inspect_iolist_as_binary(env, tuple[1], &name)) {
buf_add_char(env, rbuf, '<');
buf_add_str(env, rbuf, (char *)name.data, name.size);
ret = make_attrs(env, rbuf, tuple[2]);
if (ret) {
if (enif_is_empty_list(env, tuple[3])) {
buf_add_str(env, rbuf, "/>", 2);
} else {
buf_add_char(env, rbuf, '>');
ret = make_elements(env, rbuf, tuple[3]);
if (ret) {
buf_add_str(env, rbuf, "</", 2);
buf_add_str(env, rbuf, (char*)name.data, name.size);
buf_add_char(env, rbuf, '>');
};
};
};
};
};
};
};
return ret;
}
static ERL_NIF_TERM element_to(ErlNifEnv* env, int argc,
const ERL_NIF_TERM argv[],
int as_string)
{
ErlNifBinary output;
ERL_NIF_TERM result;
struct buf *rbuf;
if (argc == 1) {
rbuf = init_buf(env);
if (make_element(env, rbuf, argv[0])) {
if (as_string) {
(rbuf->b)[rbuf->len] = 0;
result = enif_make_string(env, (char *) rbuf->b, ERL_NIF_LATIN1);
destroy_buf(env, rbuf);
return result;
} else {
if (enif_alloc_binary(env, rbuf->len, &output)) {
memcpy(output.data, rbuf->b, rbuf->len);
result = enif_make_binary(env, &output);
destroy_buf(env, rbuf);
return result;
};
};
};
destroy_buf(env, rbuf);
};
return enif_make_badarg(env);
}
/* static ERL_NIF_TERM element_to_string(ErlNifEnv* env, int argc, */
/* const ERL_NIF_TERM argv[]) */
/* { */
/* return element_to(env, argc, argv, 1); */
/* } */
static ERL_NIF_TERM element_to_binary(ErlNifEnv* env, int argc,
const ERL_NIF_TERM argv[])
{
return element_to(env, argc, argv, 0);
}
static ErlNifFunc nif_funcs[] =
{
/* Stupid Erlang bug with enif_make_string() is fixed
in R14A only (OTP-8685), so we can't use
element_to_string yet.*/
/* {"element_to_string", 1, element_to_string}, */
{"element_to_binary", 1, element_to_binary}
};
ERL_NIF_INIT(xml, nif_funcs, NULL, NULL, NULL, NULL)

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@ -37,8 +37,11 @@
get_subtag/2, get_subtag_cdata/2,
append_subtags/2,
get_path_s/2,
start/0,
replace_tag_attr/3]).
-include("ejabberd.hrl").
%% Select at compile time how to escape characters in binary text
%% nodes.
%% Can be choosen with ./configure --enable-full-xml
@ -48,6 +51,22 @@
-define(ESCAPE_BINARY(CData), crypt(CData)).
-endif.
%% Replace element_to_binary/1 with NIF
%% Can be choosen with ./configure --enable-nif
-ifdef(NIF).
start() ->
SOPath = filename:join(ejabberd:get_so_path(), "xml"),
case catch erlang:load_nif(SOPath, 0) of
ok ->
ok;
Err ->
?WARNING_MSG("unable to load xml NIF: ~p", [Err])
end.
-else.
start() ->
ok.
-endif.
element_to_binary(El) ->
iolist_to_binary(element_to_string(El)).