diff options
Diffstat (limited to 'src/ibrowse')
| -rw-r--r-- | src/ibrowse/ibrowse.erl | 37 | ||||
| -rw-r--r-- | src/ibrowse/ibrowse_http_client.erl | 441 | ||||
| -rw-r--r-- | src/ibrowse/ibrowse_test.erl | 46 |
3 files changed, 289 insertions, 235 deletions
diff --git a/src/ibrowse/ibrowse.erl b/src/ibrowse/ibrowse.erl index 1b0daadd..0d3478b3 100644 --- a/src/ibrowse/ibrowse.erl +++ b/src/ibrowse/ibrowse.erl @@ -89,6 +89,7 @@ send_req_direct/5, send_req_direct/6, send_req_direct/7, + stream_next/1, set_max_sessions/3, set_max_pipeline_size/3, set_dest/3, @@ -150,7 +151,8 @@ stop() -> %% respHeader() = {headerName(), headerValue()} %% headerName() = string() %% headerValue() = string() -%% response() = {ok, Status, ResponseHeaders, ResponseBody} | {error, Reason} +%% response() = {ok, Status, ResponseHeaders, ResponseBody} | {ibrowse_req_id, req_id() } | {error, Reason} +%% req_id = term() %% ResponseBody = string() | {file, Filename} %% Reason = term() send_req(Url, Headers, Method) -> @@ -425,7 +427,20 @@ send_req_direct(Conn_pid, Url, Headers, Method, Body, Options, Timeout) -> Err -> {error, {url_parsing_failed, Err}} end. - + +%% @doc Tell ibrowse to stream the next chunk of data to the +%% caller. Should be used in conjunction with the +%% <code>stream_to</code> option +%% @spec stream_next(Req_id :: req_id()) -> ok | {error, unknown_req_id} +stream_next(Req_id) -> + case ets:lookup(ibrowse_stream, {req_id_pid, Req_id}) of + [] -> + {error, unknown_req_id}; + [{_, Pid}] -> + catch Pid ! {stream_next, Req_id}, + ok + end. + %% @doc Turn tracing on for the ibrowse process trace_on() -> ibrowse ! {trace, true}. @@ -522,6 +537,7 @@ init(_) -> put(ibrowse_trace_token, "ibrowse"), ets:new(ibrowse_lb, [named_table, public, {keypos, 2}]), ets:new(ibrowse_conf, [named_table, protected, {keypos, 2}]), + ets:new(ibrowse_stream, [named_table, public]), import_config(), {ok, #state{}}. @@ -539,9 +555,9 @@ import_config(Filename) -> {ok, Terms} -> ets:delete_all_objects(ibrowse_conf), Fun = fun({dest, Host, Port, MaxSess, MaxPipe, Options}) - when list(Host), integer(Port), - integer(MaxSess), MaxSess > 0, - integer(MaxPipe), MaxPipe > 0, list(Options) -> + when is_list(Host), is_integer(Port), + is_integer(MaxSess), MaxSess > 0, + is_integer(MaxPipe), MaxPipe > 0, is_list(Options) -> I = [{{max_sessions, Host, Port}, MaxSess}, {{max_pipeline_size, Host, Port}, MaxPipe}, {{options, Host, Port}, Options}], @@ -641,13 +657,6 @@ handle_info(all_trace_off, State) -> true -> catch Pid ! {trace, false} end; - (#client_conn{key = {H, P, Pid}}, _) -> - case lists:member({H, P}, Trace_on_dests) of - false -> - ok; - true -> - catch Pid ! {trace, false} - end; (_, Acc) -> Acc end, @@ -664,10 +673,6 @@ handle_info({trace, Bool, Host, Port}, State) -> when H == Host, P == Port -> catch Pid ! {trace, Bool}; - (#client_conn{key = {H, P, Pid}}, _) - when H == Host, - P == Port -> - catch Pid ! {trace, Bool}; (_, Acc) -> Acc end, diff --git a/src/ibrowse/ibrowse_http_client.erl b/src/ibrowse/ibrowse_http_client.erl index 24214ffb..3cacf391 100644 --- a/src/ibrowse/ibrowse_http_client.erl +++ b/src/ibrowse/ibrowse_http_client.erl @@ -47,11 +47,12 @@ is_closing, send_timer, content_length, deleted_crlf = false, transfer_encoding, chunk_size, chunk_size_buffer = <<>>, recvd_chunk_size, - lb_ets_tid, cur_pipeline_size = 0 + lb_ets_tid, cur_pipeline_size = 0, prev_req_id }). -record(request, {url, method, options, from, - stream_to, req_id, + stream_to, caller_controls_socket = false, + req_id, stream_chunk_size, save_response_to_file = false, tmp_file_name, tmp_file_fd, @@ -126,144 +127,15 @@ init({Host, Port}) -> %%-------------------------------------------------------------------- %% Received a request when the remote server has already sent us a %% Connection: Close header -handle_call({send_req, _}, - _From, - #state{is_closing=true}=State) -> +handle_call({send_req, _}, _From, #state{is_closing = true} = State) -> {reply, {error, connection_closing}, State}; handle_call({send_req, {Url, Headers, Method, Body, Options, Timeout}}, - From, - #state{socket=undefined, - host=Host, port=Port}=State) -> - Resp_format = get_value(response_format, Options, list), - {Host_1, Port_1, State_1} = - case get_value(proxy_host, Options, false) of - false -> - {Host, Port, State}; - PHost -> - ProxyUser = get_value(proxy_user, Options, []), - ProxyPassword = get_value(proxy_password, Options, []), - Digest = http_auth_digest(ProxyUser, ProxyPassword), - {PHost, get_value(proxy_port, Options, 80), - State#state{use_proxy = true, - proxy_auth_digest = Digest}} - end, - StreamTo = get_value(stream_to, Options, undefined), - ReqId = make_req_id(), - SaveResponseToFile = get_value(save_response_to_file, Options, false), - NewReq = #request{url=Url, - method=Method, - stream_to=StreamTo, - options=Options, - req_id=ReqId, - save_response_to_file = SaveResponseToFile, - stream_chunk_size = get_stream_chunk_size(Options), - response_format = Resp_format, - from=From}, - Reqs = queue:in(NewReq, State#state.reqs), - State_2 = check_ssl_options(Options, State_1#state{reqs = Reqs}), - do_trace("Connecting...~n", []), - Start_ts = now(), - Conn_timeout = get_value(connect_timeout, Options, Timeout), - case do_connect(Host_1, Port_1, Options, State_2, Conn_timeout) of - {ok, Sock} -> - do_trace("Connected!~n", []), - End_ts = now(), - Ref = case Timeout of - infinity -> - undefined; - _ -> - Rem_time = Timeout - trunc(round(timer:now_diff(End_ts, Start_ts) / 1000)), - case Rem_time > 0 of - true -> - erlang:send_after(Rem_time, self(), {req_timedout, From}); - false -> - shutting_down(State_2), - do_error_reply(State_2, req_timedout), - exit(normal) - end - end, - case send_req_1(Url, Headers, Method, Body, Options, Sock, State_2) of - ok -> - do_setopts(Sock, [{active, once}], State_2#state.is_ssl), - case StreamTo of - undefined -> - ok; - _ -> - gen_server:reply(From, {ibrowse_req_id, ReqId}) - end, - State_3 = inc_pipeline_counter(State_2#state{socket = Sock, - send_timer = Ref, - cur_req = NewReq, - status = get_header}), - {noreply, State_3, get_inac_timeout(State_3)}; - Err -> - shutting_down(State_2), - do_trace("Send failed... Reason: ~p~n", [Err]), - gen_server:reply(From, {error, send_failed}), - {stop, normal, State_2} - end; - Err -> - shutting_down(State_2), - do_trace("Error connecting. Reason: ~1000.p~n", [Err]), - gen_server:reply(From, {error, conn_failed}), - {stop, normal, State_2} - end; - -%% Request which is to be pipelined -handle_call({send_req, {Url, Headers, Method, - Body, Options, Timeout}}, - From, - #state{socket=Sock, status=Status, reqs=Reqs}=State) -> - do_trace("Recvd request in connected state. Status -> ~p NumPending: ~p~n", [Status, length(queue:to_list(Reqs))]), - Resp_format = get_value(response_format, Options, list), - StreamTo = get_value(stream_to, Options, undefined), - SaveResponseToFile = get_value(save_response_to_file, Options, false), - ReqId = make_req_id(), - NewReq = #request{url=Url, - stream_to=StreamTo, - method=Method, - options=Options, - req_id=ReqId, - save_response_to_file = SaveResponseToFile, - stream_chunk_size = get_stream_chunk_size(Options), - response_format = Resp_format, - from=From}, - State_1 = State#state{reqs=queue:in(NewReq, State#state.reqs)}, - case send_req_1(Url, Headers, Method, Body, Options, Sock, State_1) of - ok -> - State_2 = inc_pipeline_counter(State_1), - do_setopts(Sock, [{active, once}], State#state.is_ssl), - case Timeout of - infinity -> - ok; - _ -> - erlang:send_after(Timeout, self(), {req_timedout, From}) - end, - State_3 = case Status of - idle -> - State_2#state{status = get_header, - cur_req = NewReq}; - _ -> - State_2 - end, - case StreamTo of - undefined -> - ok; - _ -> - gen_server:reply(From, {ibrowse_req_id, ReqId}) - end, - {noreply, State_3, get_inac_timeout(State_3)}; - Err -> - shutting_down(State_1), - do_trace("Send request failed: Reason: ~p~n", [Err]), - gen_server:reply(From, {error, send_failed}), - do_error_reply(State, send_failed), - {stop, normal, State_1} - end; + From, State) -> + send_req_1(From, Url, Headers, Method, Body, Options, Timeout, State); -handle_call(stop, _From, #state{socket = Socket, is_ssl = Is_ssl} = State) -> - do_close(Socket, Is_ssl), +handle_call(stop, _From, State) -> + do_close(State), do_error_reply(State, closing_on_request), {stop, normal, State}; @@ -294,6 +166,15 @@ handle_info({tcp, _Sock, Data}, #state{status = Status} = State) -> handle_info({ssl, _Sock, Data}, State) -> handle_sock_data(Data, State); +handle_info({stream_next, Req_id}, #state{socket = Socket, + is_ssl = Is_ssl, + cur_req = #request{req_id = Req_id}} = State) -> + do_setopts(Socket, [{active, once}], Is_ssl), + {noreply, State}; + +handle_info({stream_next, _Req_id}, State) -> + {noreply, State}; + handle_info({tcp_closed, _Sock}, State) -> do_trace("TCP connection closed by peer!~n", []), handle_sock_closed(State), @@ -332,12 +213,7 @@ handle_info(Info, State) -> %% Returns: any (ignored by gen_server) %%-------------------------------------------------------------------- terminate(_Reason, State) -> - case State#state.socket of - undefined -> - ok; - Sock -> - do_close(Sock, State#state.is_ssl) - end. + do_close(State). %%-------------------------------------------------------------------- %% Func: code_change/3 @@ -358,10 +234,10 @@ handle_sock_data(Data, #state{status=idle}=State) -> do_trace("Data recvd on socket in state idle!. ~1000.p~n", [Data]), shutting_down(State), do_error_reply(State, data_in_status_idle), - do_close(State#state.socket, State#state.is_ssl), + do_close(State), {stop, normal, State}; -handle_sock_data(Data, #state{status=get_header, socket=Sock}=State) -> +handle_sock_data(Data, #state{status = get_header}=State) -> case parse_response(Data, State) of {error, _Reason} -> shutting_down(State), @@ -370,14 +246,15 @@ handle_sock_data(Data, #state{status=get_header, socket=Sock}=State) -> shutting_down(State), {stop, normal, State}; State_1 -> - do_setopts(Sock, [{active, once}], State#state.is_ssl), + active_once(State_1), {noreply, State_1, get_inac_timeout(State_1)} end; -handle_sock_data(Data, #state{status=get_body, content_length=CL, +handle_sock_data(Data, #state{status = get_body, + content_length = CL, http_status_code = StatCode, - recvd_headers=Headers, - chunk_size=CSz, socket=Sock}=State) -> + recvd_headers = Headers, + chunk_size = CSz} = State) -> case (CL == undefined) and (CSz == undefined) of true -> case accumulate_response(Data, State) of @@ -387,7 +264,7 @@ handle_sock_data(Data, #state{status=get_body, content_length=CL, {error, {Reason, {stat_code, StatCode}, Headers}}), {stop, normal, State}; State_1 -> - do_setopts(Sock, [{active, once}], State#state.is_ssl), + active_once(State_1), {noreply, State_1, get_inac_timeout(State_1)} end; _ -> @@ -401,7 +278,7 @@ handle_sock_data(Data, #state{status=get_body, content_length=CL, shutting_down(State), {stop, normal, State}; State_1 -> - do_setopts(Sock, [{active, once}], State#state.is_ssl), + active_once(State_1), {noreply, State_1, get_inac_timeout(State_1)} end end. @@ -452,22 +329,27 @@ accumulate_response(Data, #state{reply_buffer = RepBuf, cur_req = CurReq}=State) -> #request{stream_to=StreamTo, req_id=ReqId, stream_chunk_size = Stream_chunk_size, - response_format = Response_format} = CurReq, + response_format = Response_format, + caller_controls_socket = Caller_controls_socket} = CurReq, RepBuf_1 = concat_binary([RepBuf, Data]), New_data_size = RepBufSize - Streamed_size, case StreamTo of undefined -> State#state{reply_buffer = RepBuf_1}; - _ when New_data_size < Stream_chunk_size -> - State#state{reply_buffer = RepBuf_1}; - _ -> + _ when Caller_controls_socket == true -> + do_interim_reply(StreamTo, Response_format, ReqId, RepBuf_1), + State#state{reply_buffer = <<>>, + streamed_size = Streamed_size + size(RepBuf_1)}; + _ when New_data_size >= Stream_chunk_size -> {Stream_chunk, Rem_data} = split_binary(RepBuf_1, Stream_chunk_size), do_interim_reply(StreamTo, Response_format, ReqId, Stream_chunk), accumulate_response( Rem_data, State#state{ reply_buffer = <<>>, - streamed_size = Streamed_size + Stream_chunk_size}) + streamed_size = Streamed_size + Stream_chunk_size}); + _ -> + State#state{reply_buffer = RepBuf_1} end. make_tmp_filename() -> @@ -528,37 +410,45 @@ do_connect(Host, Port, _Options, _State, Timeout) -> [binary, {nodelay, true}, {active, false}], Timeout). -do_send(Sock, Req, true) -> ssl:send(Sock, Req); -do_send(Sock, Req, false) -> gen_tcp:send(Sock, Req). +do_send(Req, #state{socket = Sock, is_ssl = true}) -> ssl:send(Sock, Req); +do_send(Req, #state{socket = Sock, is_ssl = false}) -> gen_tcp:send(Sock, Req). %% @spec do_send_body(Sock::socket_descriptor(), Source::source_descriptor(), IsSSL::boolean()) -> ok | error() %% source_descriptor() = fun_arity_0 | %% {fun_arity_0} | %% {fun_arity_1, term()} %% error() = term() -do_send_body(Sock, Source, IsSSL) when is_function(Source) -> - do_send_body(Sock, {Source}, IsSSL); -do_send_body(Sock, {Source}, IsSSL) when is_function(Source) -> - do_send_body1(Sock, Source, IsSSL, Source()); -do_send_body(Sock, {Source, State}, IsSSL) when is_function(Source) -> - do_send_body1(Sock, Source, IsSSL, Source(State)); -do_send_body(Sock, Body, IsSSL) -> - do_send(Sock, Body, IsSSL). - -do_send_body1(Sock, Source, IsSSL, Resp) -> +do_send_body(Source, State) when is_function(Source) -> + do_send_body({Source}, State); +do_send_body({Source}, State) when is_function(Source) -> + do_send_body1(Source, Source(), State); +do_send_body({Source, Source_state}, State) when is_function(Source) -> + do_send_body1(Source, Source(Source_state), State); +do_send_body(Body, State) -> + do_send(Body, State). + +do_send_body1(Source, Resp, State) -> case Resp of {ok, Data} -> - do_send(Sock, Data, IsSSL), - do_send_body(Sock, {Source}, IsSSL); - {ok, Data, NewState} -> - do_send(Sock, Data, IsSSL), - do_send_body(Sock, {Source, NewState}, IsSSL); - eof -> ok; - Err -> Err + do_send(Data, State), + do_send_body({Source}, State); + {ok, Data, New_source_state} -> + do_send(Data, State), + do_send_body({Source, New_source_state}, State); + eof -> + ok; + Err -> + Err end. -do_close(Sock, true) -> ssl:close(Sock); -do_close(Sock, false) -> gen_tcp:close(Sock). +do_close(#state{socket = undefined}) -> ok; +do_close(#state{socket = Sock, is_ssl = true}) -> ssl:close(Sock); +do_close(#state{socket = Sock, is_ssl = false}) -> gen_tcp:close(Sock). + +active_once(#state{cur_req = #request{caller_controls_socket = true}}) -> + ok; +active_once(#state{socket = Socket, is_ssl = Is_ssl}) -> + do_setopts(Socket, [{active, once}], Is_ssl). do_setopts(Sock, Opts, true) -> ssl:setopts(Sock, Opts); do_setopts(Sock, Opts, false) -> inet:setopts(Sock, Opts). @@ -571,11 +461,81 @@ check_ssl_options(Options, State) -> State#state{is_ssl=true, ssl_options=get_value(ssl_options, Options)} end. -send_req_1(#url{abspath = AbsPath, - host = Host, - port = Port, - path = RelPath} = Url, - Headers, Method, Body, Options, Sock, State) -> +send_req_1(From, + #url{host = Host, + port = Port} = Url, + Headers, Method, Body, Options, Timeout, + #state{socket = undefined} = State) -> + {Host_1, Port_1, State_1} = + case get_value(proxy_host, Options, false) of + false -> + {Host, Port, State}; + PHost -> + ProxyUser = get_value(proxy_user, Options, []), + ProxyPassword = get_value(proxy_password, Options, []), + Digest = http_auth_digest(ProxyUser, ProxyPassword), + {PHost, get_value(proxy_port, Options, 80), + State#state{use_proxy = true, + proxy_auth_digest = Digest}} + end, + State_2 = check_ssl_options(Options, State_1), + do_trace("Connecting...~n", []), + Start_ts = now(), + Conn_timeout = get_value(connect_timeout, Options, Timeout), + case do_connect(Host_1, Port_1, Options, State_2, Conn_timeout) of + {ok, Sock} -> + do_trace("Connected!~n", []), + End_ts = now(), + Timeout_1 = case Timeout of + infinity -> + infinity; + _ -> + Timeout - trunc(round(timer:now_diff(End_ts, Start_ts) / 1000)) + end, + State_3 = State_2#state{socket = Sock}, + send_req_1(From, Url, Headers, Method, Body, Options, Timeout_1, State_3); + Err -> + shutting_down(State_2), + do_trace("Error connecting. Reason: ~1000.p~n", [Err]), + gen_server:reply(From, {error, conn_failed}), + {stop, normal, State_2} + end; +send_req_1(From, + #url{abspath = AbsPath, + host = Host, + port = Port, + path = RelPath} = Url, + Headers, Method, Body, Options, Timeout, + #state{status = Status} = State) -> + ReqId = make_req_id(), + Resp_format = get_value(response_format, Options, list), + {StreamTo, Caller_controls_socket} = + case get_value(stream_to, Options, undefined) of + {Caller, once} when is_pid(Caller) or + is_atom(Caller) -> + Async_pid_rec = {{req_id_pid, ReqId}, self()}, + true = ets:insert(ibrowse_stream, Async_pid_rec), + {Caller, true}; + undefined -> + {undefined, false}; + Caller when is_pid(Caller) or + is_atom(Caller) -> + {Caller, false}; + Stream_to_inv -> + exit({invalid_option, {stream_to, Stream_to_inv}}) + end, + SaveResponseToFile = get_value(save_response_to_file, Options, false), + NewReq = #request{url = Url, + method = Method, + stream_to = StreamTo, + caller_controls_socket = Caller_controls_socket, + options = Options, + req_id = ReqId, + save_response_to_file = SaveResponseToFile, + stream_chunk_size = get_stream_chunk_size(Options), + response_format = Resp_format, + from = From}, + State_1 = State#state{reqs=queue:in(NewReq, State#state.reqs)}, Headers_1 = add_auth_headers(Url, Options, Headers, State), HostHeaderValue = case lists:keysearch(host_header, 1, Options) of false -> @@ -598,14 +558,45 @@ send_req_1(#url{abspath = AbsPath, "--- Request End ---~n", [NReq]); _ -> ok end, - SndRes = case do_send(Sock, Req, State#state.is_ssl) of - ok -> do_send_body(Sock, Body_1, State#state.is_ssl); - Err -> - io:format("Err: ~p~n", [Err]), - Err - end, - do_setopts(Sock, [{active, once}], State#state.is_ssl), - SndRes. + case do_send(Req, State) of + ok -> + case do_send_body(Body_1, State) of + ok -> + State_2 = inc_pipeline_counter(State_1), + active_once(State_1), + Ref = case Timeout of + infinity -> + undefined; + _ -> + erlang:send_after(Timeout, self(), {req_timedout, From}) + end, + State_3 = case Status of + idle -> + State_2#state{status = get_header, + cur_req = NewReq, + send_timer = Ref}; + _ -> + State_2#state{send_timer = Ref} + end, + case StreamTo of + undefined -> + ok; + _ -> + gen_server:reply(From, {ibrowse_req_id, ReqId}) + end, + {noreply, State_3, get_inac_timeout(State_3)}; + Err -> + shutting_down(State_1), + do_trace("Send failed... Reason: ~p~n", [Err]), + gen_server:reply(From, {error, send_failed}), + {stop, normal, State_1} + end; + Err -> + shutting_down(State_1), + do_trace("Send failed... Reason: ~p~n", [Err]), + gen_server:reply(From, {error, send_failed}), + {stop, normal, State_1} + end. add_auth_headers(#url{username = User, password = UPw}, @@ -719,9 +710,9 @@ encode_headers(L) -> encode_headers(L, []). encode_headers([{http_vsn, _Val} | T], Acc) -> encode_headers(T, Acc); -encode_headers([{Name,Val} | T], Acc) when list(Name) -> +encode_headers([{Name,Val} | T], Acc) when is_list(Name) -> encode_headers(T, [[Name, ": ", fmt_val(Val), crnl()] | Acc]); -encode_headers([{Name,Val} | T], Acc) when atom(Name) -> +encode_headers([{Name,Val} | T], Acc) when is_atom(Name) -> encode_headers(T, [[atom_to_list(Name), ": ", fmt_val(Val), crnl()] | Acc]); encode_headers([], Acc) -> lists:reverse(Acc). @@ -732,25 +723,25 @@ chunk_request_body(Body, ChunkSize) -> chunk_request_body(Body, _ChunkSize, Acc) when Body == <<>>; Body == [] -> LastChunk = "0\r\n", lists:reverse(["\r\n", LastChunk | Acc]); -chunk_request_body(Body, ChunkSize, Acc) when binary(Body), +chunk_request_body(Body, ChunkSize, Acc) when is_binary(Body), size(Body) >= ChunkSize -> <<ChunkBody:ChunkSize/binary, Rest/binary>> = Body, Chunk = [ibrowse_lib:dec2hex(4, ChunkSize),"\r\n", ChunkBody, "\r\n"], chunk_request_body(Rest, ChunkSize, [Chunk | Acc]); -chunk_request_body(Body, _ChunkSize, Acc) when binary(Body) -> +chunk_request_body(Body, _ChunkSize, Acc) when is_binary(Body) -> BodySize = size(Body), Chunk = [ibrowse_lib:dec2hex(4, BodySize),"\r\n", Body, "\r\n"], LastChunk = "0\r\n", lists:reverse(["\r\n", LastChunk, Chunk | Acc]); -chunk_request_body(Body, ChunkSize, Acc) when list(Body), +chunk_request_body(Body, ChunkSize, Acc) when is_list(Body), length(Body) >= ChunkSize -> {ChunkBody, Rest} = split_list_at(Body, ChunkSize), Chunk = [ibrowse_lib:dec2hex(4, ChunkSize),"\r\n", ChunkBody, "\r\n"], chunk_request_body(Rest, ChunkSize, [Chunk | Acc]); -chunk_request_body(Body, _ChunkSize, Acc) when list(Body) -> +chunk_request_body(Body, _ChunkSize, Acc) when is_list(Body) -> BodySize = length(Body), Chunk = [ibrowse_lib:dec2hex(4, BodySize),"\r\n", Body, "\r\n"], @@ -840,7 +831,7 @@ parse_response(Data, #state{reply_buffer = Acc, reqs = Reqs, {error, content_length_undefined}; V -> case catch list_to_integer(V) of - V_1 when integer(V_1), V_1 >= 0 -> + V_1 when is_integer(V_1), V_1 >= 0 -> send_async_headers(ReqId, StreamTo, StatCode, Headers_1), do_trace("Recvd Content-Length of ~p~n", [V_1]), State_2 = State_1#state{rep_buf_size=0, @@ -1058,17 +1049,20 @@ set_cur_request(#state{reqs = Reqs} = State) -> parse_headers(Headers) -> case scan_crlf(Headers) of {yes, StatusLine, T} -> - Headers_1 = parse_headers_1(T), - case parse_status_line(StatusLine) of - {ok, HttpVsn, StatCode, _Msg} -> - put(http_prot_vsn, HttpVsn), - {HttpVsn, StatCode, Headers_1}; - _ -> %% A HTTP 0.9 response? - put(http_prot_vsn, "HTTP/0.9"), - {"HTTP/0.9", undefined, Headers} - end; - _ -> - {error, no_status_line} + parse_headers(StatusLine, T); + {no, StatusLine} -> + parse_headers(StatusLine, <<>>) + end. + +parse_headers(StatusLine, Headers) -> + Headers_1 = parse_headers_1(Headers), + case parse_status_line(StatusLine) of + {ok, HttpVsn, StatCode, _Msg} -> + put(http_prot_vsn, HttpVsn), + {HttpVsn, StatCode, Headers_1}; + _ -> %% A HTTP 0.9 response? + put(http_prot_vsn, "HTTP/0.9"), + {"HTTP/0.9", undefined, Headers} end. % From RFC 2616 @@ -1079,10 +1073,10 @@ parse_headers(Headers) -> % SP. A recipient MAY replace any linear white space with a single % SP before interpreting the field value or forwarding the message % downstream. -parse_headers_1(B) when is_binary(B) -> - parse_headers_1(binary_to_list(B)); -parse_headers_1(String) -> - parse_headers_1(String, [], []). + parse_headers_1(B) when is_binary(B) -> + parse_headers_1(binary_to_list(B)); + parse_headers_1(String) -> + parse_headers_1(String, [], []). parse_headers_1([$\n, H |T], [$\r | L], Acc) when H == 32; H == $\t -> @@ -1205,10 +1199,10 @@ get_crlf_pos(<<>>, _) -> no. %% scan_crlf([H|T], L) -> scan_crlf(T, [H|L]); %% scan_crlf([], L) -> {no, L}. -fmt_val(L) when list(L) -> L; -fmt_val(I) when integer(I) -> integer_to_list(I); -fmt_val(A) when atom(A) -> atom_to_list(A); -fmt_val(Term) -> io_lib:format("~p", [Term]). +fmt_val(L) when is_list(L) -> L; +fmt_val(I) when is_integer(I) -> integer_to_list(I); +fmt_val(A) when is_atom(A) -> atom_to_list(A); +fmt_val(Term) -> io_lib:format("~p", [Term]). crnl() -> "\r\n". @@ -1306,7 +1300,8 @@ do_reply(State, From, undefined, _, Resp_format, {ok, St_code, Headers, Body}) - do_reply(State, From, undefined, _, _, Msg) -> gen_server:reply(From, Msg), dec_pipeline_counter(State); -do_reply(State, _From, StreamTo, ReqId, Resp_format, {ok, _, _, Body}) -> +do_reply(#state{prev_req_id = Prev_req_id} = State, + _From, StreamTo, ReqId, Resp_format, {ok, _, _, Body}) -> State_1 = dec_pipeline_counter(State), case Body of [] -> @@ -1316,7 +1311,18 @@ do_reply(State, _From, StreamTo, ReqId, Resp_format, {ok, _, _, Body}) -> catch StreamTo ! {ibrowse_async_response, ReqId, Body_1} end, catch StreamTo ! {ibrowse_async_response_end, ReqId}, - State_1; + %% We don't want to delete the Req-id to Pid mapping straightaway + %% as the client may send a stream_next message just while we are + %% sending back this ibrowse_async_response_end message. If we + %% deleted this mapping straightaway, the caller will see a + %% {error, unknown_req_id} when it calls ibrowse:stream_next/1. To + %% get around this, we store the req id, and clear it after the + %% next request. If there are wierd combinations of stream, + %% stream_once and sync requests on the same connection, it will + %% take a while for the req_id-pid mapping to get cleared, but it + %% should do no harm. + ets:delete(ibrowse_stream, {req_id_pid, Prev_req_id}), + State_1#state{prev_req_id = ReqId}; do_reply(State, _From, StreamTo, ReqId, Resp_format, Msg) -> State_1 = dec_pipeline_counter(State), Msg_1 = format_response_data(Resp_format, Msg), @@ -1333,6 +1339,7 @@ do_error_reply(#state{reqs = Reqs} = State, Err) -> ReqList = queue:to_list(Reqs), lists:foreach(fun(#request{from=From, stream_to=StreamTo, req_id=ReqId, response_format = Resp_format}) -> + ets:delete(ibrowse_stream, {req_id_pid, ReqId}), do_reply(State, From, StreamTo, ReqId, Resp_format, {error, Err}) end, ReqList). diff --git a/src/ibrowse/ibrowse_test.erl b/src/ibrowse/ibrowse_test.erl index f3559b51..ad3e8126 100644 --- a/src/ibrowse/ibrowse_test.erl +++ b/src/ibrowse/ibrowse_test.erl @@ -18,9 +18,50 @@ ue_test/1, verify_chunked_streaming/0, verify_chunked_streaming/1, - i_do_async_req_list/4 + i_do_async_req_list/4, + test_stream_once/3, + test_stream_once/4 ]). +test_stream_once(Url, Method, Options) -> + test_stream_once(Url, Method, Options, 5000). + +test_stream_once(Url, Method, Options, Timeout) -> + case ibrowse:send_req(Url, [], Method, [], [{stream_to, {self(), once}} | Options], Timeout) of + {ibrowse_req_id, Req_id} -> + case ibrowse:stream_next(Req_id) of + ok -> + test_stream_once(Req_id); + Err -> + Err + end; + Err -> + Err + end. + +test_stream_once(Req_id) -> + receive + {ibrowse_async_headers, Req_id, StatCode, Headers} -> + io:format("Recvd headers~n~p~n", [{ibrowse_async_headers, Req_id, StatCode, Headers}]), + case ibrowse:stream_next(Req_id) of + ok -> + test_stream_once(Req_id); + Err -> + Err + end; + {ibrowse_async_response, Req_id, {error, Err}} -> + io:format("Recvd error: ~p~n", [Err]); + {ibrowse_async_response, Req_id, Body_1} -> + io:format("Recvd body part: ~n~p~n", [{ibrowse_async_response, Req_id, Body_1}]), + case ibrowse:stream_next(Req_id) of + ok -> + test_stream_once(Req_id); + Err -> + Err + end; + {ibrowse_async_response_end, Req_id} -> + ok + end. %% Use ibrowse:set_max_sessions/3 and ibrowse:set_max_pipeline_size/3 to %% tweak settings before running the load test. The defaults are 10 and 10. load_test(Url, NumWorkers, NumReqsPerWorker) when is_list(Url), @@ -182,7 +223,8 @@ unit_tests() -> unit_tests([]). unit_tests(Options) -> - {Pid, Ref} = erlang:spawn_monitor(?MODULE, unit_tests_1, [self(), Options]), + Options_1 = Options ++ [{connect_timeout, 5000}], + {Pid, Ref} = erlang:spawn_monitor(?MODULE, unit_tests_1, [self(), Options_1]), receive {done, Pid} -> ok; |