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-rw-r--r--lib/common_test/src/ct_netconfc.erl116
1 files changed, 78 insertions, 38 deletions
diff --git a/lib/common_test/src/ct_netconfc.erl b/lib/common_test/src/ct_netconfc.erl
index 0de7bf03af..8812514ad9 100644
--- a/lib/common_test/src/ct_netconfc.erl
+++ b/lib/common_test/src/ct_netconfc.erl
@@ -234,7 +234,6 @@
%% Internal defines
%%----------------------------------------------------------------------
-define(APPLICATION,?MODULE).
--define(VALID_SSH_OPTS,[user, password, user_dir]).
-define(DEFAULT_STREAM,"NETCONF").
-define(error(ConnName,Report),
@@ -264,6 +263,7 @@
session_id,
msg_id = 1,
hello_status,
+ no_end_tag_buff = <<>>,
buff = <<>>,
pending = [], % [#pending]
event_receiver}).% pid
@@ -1170,7 +1170,7 @@ handle_msg({Ref,timeout},#state{pending=Pending} = State) ->
end,
%% Halfhearted try to get in correct state, this matches
%% the implementation before this patch
- {R,State#state{pending=Pending1, buff= <<>>}}.
+ {R,State#state{pending=Pending1, no_end_tag_buff= <<>>, buff= <<>>}}.
%% @private
%% Called by ct_util_server to close registered connections before terminate.
@@ -1205,7 +1205,7 @@ call(Client, Msg, Timeout, WaitStop) ->
{error,no_such_client};
{error,{process_down,Pid,normal}} when WaitStop ->
%% This will happen when server closes connection
- %% before clien received rpc-reply on
+ %% before client received rpc-reply on
%% close-session.
ok;
{error,{process_down,Pid,normal}} ->
@@ -1256,13 +1256,11 @@ check_options([{port,Port}|T], Host, _, #options{} = Options) ->
check_options([{timeout, Timeout}|T], Host, Port, Options)
when is_integer(Timeout); Timeout==infinity ->
check_options(T, Host, Port, Options#options{timeout = Timeout});
-check_options([{X,_}=Opt|T], Host, Port, #options{ssh=SshOpts}=Options) ->
- case lists:member(X,?VALID_SSH_OPTS) of
- true ->
- check_options(T, Host, Port, Options#options{ssh=[Opt|SshOpts]});
- false ->
- {error, {invalid_option, Opt}}
- end.
+check_options([{timeout, _} = Opt|_T], _Host, _Port, _Options) ->
+ {error, {invalid_option, Opt}};
+check_options([Opt|T], Host, Port, #options{ssh=SshOpts}=Options) ->
+ %% Option verified by ssh
+ check_options(T, Host, Port, Options#options{ssh=[Opt|SshOpts]}).
%%%-----------------------------------------------------------------
set_request_timer(infinity) ->
@@ -1272,6 +1270,14 @@ set_request_timer(T) ->
{ok,TRef} = timer:send_after(T,{Ref,timeout}),
{Ref,TRef}.
+%%%-----------------------------------------------------------------
+cancel_request_timer(undefined,undefined) ->
+ ok;
+cancel_request_timer(Ref,TRef) ->
+ _ = timer:cancel(TRef),
+ receive {Ref,timeout} -> ok
+ after 0 -> ok
+ end.
%%%-----------------------------------------------------------------
client_hello(Options) when is_list(Options) ->
@@ -1364,17 +1370,37 @@ to_xml_doc(Simple) ->
%%%-----------------------------------------------------------------
%%% Parse and handle received XML data
-handle_data(NewData,#state{connection=Connection,buff=Buff0} = State0) ->
+%%% Two buffers are used:
+%%% * 'no_end_tag_buff' contains data that is checked and does not
+%%% contain any (part of an) end tag.
+%%% * 'buff' contains all other saved data - it may or may not
+%%% include (a part of) an end tag.
+%%% The reason for this is to avoid running binary:split/3 multiple
+%%% times on the same data when it does not contain an end tag. This
+%%% can be a considerable optimation in the case when a lot of data is
+%%% received (e.g. when fetching all data from a node) and the data is
+%%% sent in multiple ssh packages.
+handle_data(NewData,#state{connection=Connection} = State0) ->
log(Connection,recv,NewData),
- Data = append_wo_initial_nl(Buff0,NewData),
- case binary:split(Data,[?END_TAG],[]) of
+ NoEndTag0 = State0#state.no_end_tag_buff,
+ Buff0 = State0#state.buff,
+ Data = <<Buff0/binary, NewData/binary>>,
+ case binary:split(Data,?END_TAG,[]) of
[_NoEndTagFound] ->
- {noreply, State0#state{buff=Data}};
- [FirstMsg,Buff1] ->
+ NoEndTagSize = case byte_size(Data) of
+ Sz when Sz<5 -> 0;
+ Sz -> Sz-5
+ end,
+ <<NoEndTag1:NoEndTagSize/binary,Buff/binary>> = Data,
+ NoEndTag = <<NoEndTag0/binary,NoEndTag1/binary>>,
+ {noreply, State0#state{no_end_tag_buff=NoEndTag, buff=Buff}};
+ [FirstMsg0,Buff1] ->
+ FirstMsg = remove_initial_nl(<<NoEndTag0/binary,FirstMsg0/binary>>),
SaxArgs = [{event_fun,fun sax_event/3}, {event_state,[]}],
case xmerl_sax_parser:stream(FirstMsg, SaxArgs) of
{ok, Simple, _Thrash} ->
- case decode(Simple, State0#state{buff=Buff1}) of
+ case decode(Simple, State0#state{no_end_tag_buff= <<>>,
+ buff=Buff1}) of
{noreply, #state{buff=Buff} = State} when Buff =/= <<>> ->
%% Recurse if we have more data in buffer
handle_data(<<>>, State);
@@ -1386,17 +1412,18 @@ handle_data(NewData,#state{connection=Connection,buff=Buff0} = State0) ->
[{parse_error,Reason},
{buffer, Buff0},
{new_data,NewData}]),
- handle_error(Reason, State0#state{buff= <<>>})
+ handle_error(Reason, State0#state{no_end_tag_buff= <<>>,
+ buff= <<>>})
end
end.
+
%% xml does not accept a leading nl and some netconf server add a nl after
%% each ?END_TAG, ignore them
-append_wo_initial_nl(<<>>,NewData) -> NewData;
-append_wo_initial_nl(<<"\n", Data/binary>>, NewData) ->
- append_wo_initial_nl(Data, NewData);
-append_wo_initial_nl(Data, NewData) ->
- <<Data/binary, NewData/binary>>.
+remove_initial_nl(<<"\n", Data/binary>>) ->
+ remove_initial_nl(Data);
+remove_initial_nl(Data) ->
+ Data.
handle_error(Reason, State) ->
Pending1 = case State#state.pending of
@@ -1404,9 +1431,9 @@ handle_error(Reason, State) ->
Pending ->
%% Assuming the first request gets the
%% first answer
- P=#pending{tref=TRef,caller=Caller} =
+ P=#pending{tref=TRef,ref=Ref,caller=Caller} =
lists:last(Pending),
- _ = timer:cancel(TRef),
+ cancel_request_timer(Ref,TRef),
Reason1 = {failed_to_parse_received_data,Reason},
ct_gen_conn:return(Caller,{error,Reason1}),
lists:delete(P,Pending)
@@ -1492,8 +1519,8 @@ decode({Tag,Attrs,_}=E, #state{connection=Connection,pending=Pending}=State) ->
{error,Reason} ->
{noreply,State#state{hello_status = {error,Reason}}}
end;
- #pending{tref=TRef,caller=Caller} ->
- _ = timer:cancel(TRef),
+ #pending{tref=TRef,ref=Ref,caller=Caller} ->
+ cancel_request_timer(Ref,TRef),
case decode_hello(E) of
{ok,SessionId,Capabilities} ->
ct_gen_conn:return(Caller,ok),
@@ -1519,9 +1546,8 @@ decode({Tag,Attrs,_}=E, #state{connection=Connection,pending=Pending}=State) ->
%% there is just one pending that matches (i.e. has
%% undefined msg_id and op)
case [P || P = #pending{msg_id=undefined,op=undefined} <- Pending] of
- [#pending{tref=TRef,
- caller=Caller}] ->
- _ = timer:cancel(TRef),
+ [#pending{tref=TRef,ref=Ref,caller=Caller}] ->
+ cancel_request_timer(Ref,TRef),
ct_gen_conn:return(Caller,E),
{noreply,State#state{pending=[]}};
_ ->
@@ -1542,8 +1568,8 @@ get_msg_id(Attrs) ->
decode_rpc_reply(MsgId,{_,Attrs,Content0}=E,#state{pending=Pending} = State) ->
case lists:keytake(MsgId,#pending.msg_id,Pending) of
- {value, #pending{tref=TRef,op=Op,caller=Caller}, Pending1} ->
- _ = timer:cancel(TRef),
+ {value, #pending{tref=TRef,ref=Ref,op=Op,caller=Caller}, Pending1} ->
+ cancel_request_timer(Ref,TRef),
Content = forward_xmlns_attr(Attrs,Content0),
{CallerReply,{ServerReply,State2}} =
do_decode_rpc_reply(Op,Content,State#state{pending=Pending1}),
@@ -1555,10 +1581,11 @@ decode_rpc_reply(MsgId,{_,Attrs,Content0}=E,#state{pending=Pending} = State) ->
%% pending that matches (i.e. has undefined msg_id and op)
case [P || P = #pending{msg_id=undefined,op=undefined} <- Pending] of
[#pending{tref=TRef,
+ ref=Ref,
msg_id=undefined,
op=undefined,
caller=Caller}] ->
- _ = timer:cancel(TRef),
+ cancel_request_timer(Ref,TRef),
ct_gen_conn:return(Caller,E),
{noreply,State#state{pending=[]}};
_ ->
@@ -1762,9 +1789,14 @@ format_data(How,Data) ->
do_format_data(raw,Data) ->
io_lib:format("~n~ts~n",[hide_password(Data)]);
do_format_data(pretty,Data) ->
- io_lib:format("~n~ts~n",[indent(Data)]);
+ maybe_io_lib_format(indent(Data));
do_format_data(html,Data) ->
- io_lib:format("~n~ts~n",[html_format(Data)]).
+ maybe_io_lib_format(html_format(Data)).
+
+maybe_io_lib_format(<<>>) ->
+ [];
+maybe_io_lib_format(String) ->
+ io_lib:format("~n~ts~n",[String]).
%%%-----------------------------------------------------------------
%%% Hide password elements from XML data
@@ -1803,13 +1835,21 @@ indent1("<?"++Rest1,Indent1) ->
Line++indent1(Rest2,Indent2);
indent1("</"++Rest1,Indent1) ->
%% Stop tag
- {Line,Rest2,Indent2} = indent_line1(Rest1,Indent1,[$/,$<]),
- "\n"++Line++indent1(Rest2,Indent2);
+ case indent_line1(Rest1,Indent1,[$/,$<]) of
+ {[],[],_} ->
+ [];
+ {Line,Rest2,Indent2} ->
+ "\n"++Line++indent1(Rest2,Indent2)
+ end;
indent1("<"++Rest1,Indent1) ->
%% Start- or empty tag
put(tag,get_tag(Rest1)),
- {Line,Rest2,Indent2} = indent_line(Rest1,Indent1,[$<]),
- "\n"++Line++indent1(Rest2,Indent2);
+ case indent_line(Rest1,Indent1,[$<]) of
+ {[],[],_} ->
+ [];
+ {Line,Rest2,Indent2} ->
+ "\n"++Line++indent1(Rest2,Indent2)
+ end;
indent1([H|T],Indent) ->
[H|indent1(T,Indent)];
indent1([],_Indent) ->