http://git-wip-us.apache.org/repos/asf/couchdb/blob/6fdb9e07/src/mochiweb/src/mochiutf8.erl ---------------------------------------------------------------------- diff --git a/src/mochiweb/src/mochiutf8.erl b/src/mochiweb/src/mochiutf8.erl new file mode 100644 index 0000000..28f28c1 --- /dev/null +++ b/src/mochiweb/src/mochiutf8.erl @@ -0,0 +1,317 @@ +%% @copyright 2010 Mochi Media, Inc. +%% @author Bob Ippolito <[email protected]> + +%% @doc Algorithm to convert any binary to a valid UTF-8 sequence by ignoring +%% invalid bytes. + +-module(mochiutf8). +-export([valid_utf8_bytes/1, codepoint_to_bytes/1, codepoints_to_bytes/1]). +-export([bytes_to_codepoints/1, bytes_foldl/3, codepoint_foldl/3]). +-export([read_codepoint/1, len/1]). + +%% External API + +-type unichar_low() :: 0..16#d7ff. +-type unichar_high() :: 16#e000..16#10ffff. +-type unichar() :: unichar_low() | unichar_high(). + +-spec codepoint_to_bytes(unichar()) -> binary(). +%% @doc Convert a unicode codepoint to UTF-8 bytes. +codepoint_to_bytes(C) when (C >= 16#00 andalso C =< 16#7f) -> + %% U+0000 - U+007F - 7 bits + <<C>>; +codepoint_to_bytes(C) when (C >= 16#080 andalso C =< 16#07FF) -> + %% U+0080 - U+07FF - 11 bits + <<0:5, B1:5, B0:6>> = <<C:16>>, + <<2#110:3, B1:5, + 2#10:2, B0:6>>; +codepoint_to_bytes(C) when (C >= 16#0800 andalso C =< 16#FFFF) andalso + (C < 16#D800 orelse C > 16#DFFF) -> + %% U+0800 - U+FFFF - 16 bits (excluding UTC-16 surrogate code points) + <<B2:4, B1:6, B0:6>> = <<C:16>>, + <<2#1110:4, B2:4, + 2#10:2, B1:6, + 2#10:2, B0:6>>; +codepoint_to_bytes(C) when (C >= 16#010000 andalso C =< 16#10FFFF) -> + %% U+10000 - U+10FFFF - 21 bits + <<0:3, B3:3, B2:6, B1:6, B0:6>> = <<C:24>>, + <<2#11110:5, B3:3, + 2#10:2, B2:6, + 2#10:2, B1:6, + 2#10:2, B0:6>>. + +-spec codepoints_to_bytes([unichar()]) -> binary(). +%% @doc Convert a list of codepoints to a UTF-8 binary. +codepoints_to_bytes(L) -> + <<<<(codepoint_to_bytes(C))/binary>> || C <- L>>. + +-spec read_codepoint(binary()) -> {unichar(), binary(), binary()}. +read_codepoint(Bin = <<2#0:1, C:7, Rest/binary>>) -> + %% U+0000 - U+007F - 7 bits + <<B:1/binary, _/binary>> = Bin, + {C, B, Rest}; +read_codepoint(Bin = <<2#110:3, B1:5, + 2#10:2, B0:6, + Rest/binary>>) -> + %% U+0080 - U+07FF - 11 bits + case <<B1:5, B0:6>> of + <<C:11>> when C >= 16#80 -> + <<B:2/binary, _/binary>> = Bin, + {C, B, Rest} + end; +read_codepoint(Bin = <<2#1110:4, B2:4, + 2#10:2, B1:6, + 2#10:2, B0:6, + Rest/binary>>) -> + %% U+0800 - U+FFFF - 16 bits (excluding UTC-16 surrogate code points) + case <<B2:4, B1:6, B0:6>> of + <<C:16>> when (C >= 16#0800 andalso C =< 16#FFFF) andalso + (C < 16#D800 orelse C > 16#DFFF) -> + <<B:3/binary, _/binary>> = Bin, + {C, B, Rest} + end; +read_codepoint(Bin = <<2#11110:5, B3:3, + 2#10:2, B2:6, + 2#10:2, B1:6, + 2#10:2, B0:6, + Rest/binary>>) -> + %% U+10000 - U+10FFFF - 21 bits + case <<B3:3, B2:6, B1:6, B0:6>> of + <<C:21>> when (C >= 16#010000 andalso C =< 16#10FFFF) -> + <<B:4/binary, _/binary>> = Bin, + {C, B, Rest} + end. + +-spec codepoint_foldl(fun((unichar(), _) -> _), _, binary()) -> _. +codepoint_foldl(F, Acc, <<>>) when is_function(F, 2) -> + Acc; +codepoint_foldl(F, Acc, Bin) -> + {C, _, Rest} = read_codepoint(Bin), + codepoint_foldl(F, F(C, Acc), Rest). + +-spec bytes_foldl(fun((binary(), _) -> _), _, binary()) -> _. +bytes_foldl(F, Acc, <<>>) when is_function(F, 2) -> + Acc; +bytes_foldl(F, Acc, Bin) -> + {_, B, Rest} = read_codepoint(Bin), + bytes_foldl(F, F(B, Acc), Rest). + +-spec bytes_to_codepoints(binary()) -> [unichar()]. +bytes_to_codepoints(B) -> + lists:reverse(codepoint_foldl(fun (C, Acc) -> [C | Acc] end, [], B)). + +-spec len(binary()) -> non_neg_integer(). +len(<<>>) -> + 0; +len(B) -> + {_, _, Rest} = read_codepoint(B), + 1 + len(Rest). + +-spec valid_utf8_bytes(B::binary()) -> binary(). +%% @doc Return only the bytes in B that represent valid UTF-8. Uses +%% the following recursive algorithm: skip one byte if B does not +%% follow UTF-8 syntax (a 1-4 byte encoding of some number), +%% skip sequence of 2-4 bytes if it represents an overlong encoding +%% or bad code point (surrogate U+D800 - U+DFFF or > U+10FFFF). +valid_utf8_bytes(B) when is_binary(B) -> + binary_skip_bytes(B, invalid_utf8_indexes(B)). + +%% Internal API + +-spec binary_skip_bytes(binary(), [non_neg_integer()]) -> binary(). +%% @doc Return B, but skipping the 0-based indexes in L. +binary_skip_bytes(B, []) -> + B; +binary_skip_bytes(B, L) -> + binary_skip_bytes(B, L, 0, []). + +%% @private +-spec binary_skip_bytes(binary(), [non_neg_integer()], non_neg_integer(), iolist()) -> binary(). +binary_skip_bytes(B, [], _N, Acc) -> + iolist_to_binary(lists:reverse([B | Acc])); +binary_skip_bytes(<<_, RestB/binary>>, [N | RestL], N, Acc) -> + binary_skip_bytes(RestB, RestL, 1 + N, Acc); +binary_skip_bytes(<<C, RestB/binary>>, L, N, Acc) -> + binary_skip_bytes(RestB, L, 1 + N, [C | Acc]). + +-spec invalid_utf8_indexes(binary()) -> [non_neg_integer()]. +%% @doc Return the 0-based indexes in B that are not valid UTF-8. +invalid_utf8_indexes(B) -> + invalid_utf8_indexes(B, 0, []). + +%% @private. +-spec invalid_utf8_indexes(binary(), non_neg_integer(), [non_neg_integer()]) -> [non_neg_integer()]. +invalid_utf8_indexes(<<C, Rest/binary>>, N, Acc) when C < 16#80 -> + %% U+0000 - U+007F - 7 bits + invalid_utf8_indexes(Rest, 1 + N, Acc); +invalid_utf8_indexes(<<C1, C2, Rest/binary>>, N, Acc) + when C1 band 16#E0 =:= 16#C0, + C2 band 16#C0 =:= 16#80 -> + %% U+0080 - U+07FF - 11 bits + case ((C1 band 16#1F) bsl 6) bor (C2 band 16#3F) of + C when C < 16#80 -> + %% Overlong encoding. + invalid_utf8_indexes(Rest, 2 + N, [1 + N, N | Acc]); + _ -> + %% Upper bound U+07FF does not need to be checked + invalid_utf8_indexes(Rest, 2 + N, Acc) + end; +invalid_utf8_indexes(<<C1, C2, C3, Rest/binary>>, N, Acc) + when C1 band 16#F0 =:= 16#E0, + C2 band 16#C0 =:= 16#80, + C3 band 16#C0 =:= 16#80 -> + %% U+0800 - U+FFFF - 16 bits + case ((((C1 band 16#0F) bsl 6) bor (C2 band 16#3F)) bsl 6) bor + (C3 band 16#3F) of + C when (C < 16#800) orelse (C >= 16#D800 andalso C =< 16#DFFF) -> + %% Overlong encoding or surrogate. + invalid_utf8_indexes(Rest, 3 + N, [2 + N, 1 + N, N | Acc]); + _ -> + %% Upper bound U+FFFF does not need to be checked + invalid_utf8_indexes(Rest, 3 + N, Acc) + end; +invalid_utf8_indexes(<<C1, C2, C3, C4, Rest/binary>>, N, Acc) + when C1 band 16#F8 =:= 16#F0, + C2 band 16#C0 =:= 16#80, + C3 band 16#C0 =:= 16#80, + C4 band 16#C0 =:= 16#80 -> + %% U+10000 - U+10FFFF - 21 bits + case ((((((C1 band 16#0F) bsl 6) bor (C2 band 16#3F)) bsl 6) bor + (C3 band 16#3F)) bsl 6) bor (C4 band 16#3F) of + C when (C < 16#10000) orelse (C > 16#10FFFF) -> + %% Overlong encoding or invalid code point. + invalid_utf8_indexes(Rest, 4 + N, [3 + N, 2 + N, 1 + N, N | Acc]); + _ -> + invalid_utf8_indexes(Rest, 4 + N, Acc) + end; +invalid_utf8_indexes(<<_, Rest/binary>>, N, Acc) -> + %% Invalid char + invalid_utf8_indexes(Rest, 1 + N, [N | Acc]); +invalid_utf8_indexes(<<>>, _N, Acc) -> + lists:reverse(Acc). + +%% +%% Tests +%% +-ifdef(TEST). +-include_lib("eunit/include/eunit.hrl"). + +binary_skip_bytes_test() -> + ?assertEqual(<<"foo">>, + binary_skip_bytes(<<"foo">>, [])), + ?assertEqual(<<"foobar">>, + binary_skip_bytes(<<"foo bar">>, [3])), + ?assertEqual(<<"foo">>, + binary_skip_bytes(<<"foo bar">>, [3, 4, 5, 6])), + ?assertEqual(<<"oo bar">>, + binary_skip_bytes(<<"foo bar">>, [0])), + ok. + +invalid_utf8_indexes_test() -> + ?assertEqual( + [], + invalid_utf8_indexes(<<"unicode snowman for you: ", 226, 152, 131>>)), + ?assertEqual( + [0], + invalid_utf8_indexes(<<128>>)), + ?assertEqual( + [57,59,60,64,66,67], + invalid_utf8_indexes(<<"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; (", + 167, 65, 170, 186, 73, 83, 80, 166, 87, 186, 217, 41, 41>>)), + ok. + +codepoint_to_bytes_test() -> + %% U+0000 - U+007F - 7 bits + %% U+0080 - U+07FF - 11 bits + %% U+0800 - U+FFFF - 16 bits (excluding UTC-16 surrogate code points) + %% U+10000 - U+10FFFF - 21 bits + ?assertEqual( + <<"a">>, + codepoint_to_bytes($a)), + ?assertEqual( + <<16#c2, 16#80>>, + codepoint_to_bytes(16#80)), + ?assertEqual( + <<16#df, 16#bf>>, + codepoint_to_bytes(16#07ff)), + ?assertEqual( + <<16#ef, 16#bf, 16#bf>>, + codepoint_to_bytes(16#ffff)), + ?assertEqual( + <<16#f4, 16#8f, 16#bf, 16#bf>>, + codepoint_to_bytes(16#10ffff)), + ok. + +bytes_foldl_test() -> + ?assertEqual( + <<"abc">>, + bytes_foldl(fun (B, Acc) -> <<Acc/binary, B/binary>> end, <<>>, <<"abc">>)), + ?assertEqual( + <<"abc", 226, 152, 131, 228, 184, 173, 194, 133, 244,143,191,191>>, + bytes_foldl(fun (B, Acc) -> <<Acc/binary, B/binary>> end, <<>>, + <<"abc", 226, 152, 131, 228, 184, 173, 194, 133, 244,143,191,191>>)), + ok. + +bytes_to_codepoints_test() -> + ?assertEqual( + "abc" ++ [16#2603, 16#4e2d, 16#85, 16#10ffff], + bytes_to_codepoints(<<"abc", 226, 152, 131, 228, 184, 173, 194, 133, 244,143,191,191>>)), + ok. + +codepoint_foldl_test() -> + ?assertEqual( + "cba", + codepoint_foldl(fun (C, Acc) -> [C | Acc] end, [], <<"abc">>)), + ?assertEqual( + [16#10ffff, 16#85, 16#4e2d, 16#2603 | "cba"], + codepoint_foldl(fun (C, Acc) -> [C | Acc] end, [], + <<"abc", 226, 152, 131, 228, 184, 173, 194, 133, 244,143,191,191>>)), + ok. + +len_test() -> + ?assertEqual( + 29, + len(<<"unicode snowman for you: ", 226, 152, 131, 228, 184, 173, 194, 133, 244, 143, 191, 191>>)), + ok. + +codepoints_to_bytes_test() -> + ?assertEqual( + iolist_to_binary(lists:map(fun codepoint_to_bytes/1, lists:seq(1, 1000))), + codepoints_to_bytes(lists:seq(1, 1000))), + ok. + +valid_utf8_bytes_test() -> + ?assertEqual( + <<"invalid U+11ffff: ">>, + valid_utf8_bytes(<<"invalid U+11ffff: ", 244, 159, 191, 191>>)), + ?assertEqual( + <<"U+10ffff: ", 244, 143, 191, 191>>, + valid_utf8_bytes(<<"U+10ffff: ", 244, 143, 191, 191>>)), + ?assertEqual( + <<"overlong 2-byte encoding (a): ">>, + valid_utf8_bytes(<<"overlong 2-byte encoding (a): ", 2#11000001, 2#10100001>>)), + ?assertEqual( + <<"overlong 2-byte encoding (!): ">>, + valid_utf8_bytes(<<"overlong 2-byte encoding (!): ", 2#11000000, 2#10100001>>)), + ?assertEqual( + <<"mu: ", 194, 181>>, + valid_utf8_bytes(<<"mu: ", 194, 181>>)), + ?assertEqual( + <<"bad coding bytes: ">>, + valid_utf8_bytes(<<"bad coding bytes: ", 2#10011111, 2#10111111, 2#11111111>>)), + ?assertEqual( + <<"low surrogate (unpaired): ">>, + valid_utf8_bytes(<<"low surrogate (unpaired): ", 237, 176, 128>>)), + ?assertEqual( + <<"high surrogate (unpaired): ">>, + valid_utf8_bytes(<<"high surrogate (unpaired): ", 237, 191, 191>>)), + ?assertEqual( + <<"unicode snowman for you: ", 226, 152, 131>>, + valid_utf8_bytes(<<"unicode snowman for you: ", 226, 152, 131>>)), + ?assertEqual( + <<"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; (AISPW))">>, + valid_utf8_bytes(<<"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; (", + 167, 65, 170, 186, 73, 83, 80, 166, 87, 186, 217, 41, 41>>)), + ok. + +-endif.
http://git-wip-us.apache.org/repos/asf/couchdb/blob/6fdb9e07/src/mochiweb/src/mochiweb.app.src ---------------------------------------------------------------------- diff --git a/src/mochiweb/src/mochiweb.app.src b/src/mochiweb/src/mochiweb.app.src new file mode 100644 index 0000000..cd01d68 --- /dev/null +++ b/src/mochiweb/src/mochiweb.app.src @@ -0,0 +1,9 @@ +%% This is generated from src/mochiweb.app.src +{application, mochiweb, + [{description, "MochiMedia Web Server"}, + {vsn, "2.3.2"}, + {modules, []}, + {registered, []}, + {env, []}, + {applications, [kernel, stdlib, crypto, inets, ssl, xmerl, + compiler, syntax_tools]}]}. http://git-wip-us.apache.org/repos/asf/couchdb/blob/6fdb9e07/src/mochiweb/src/mochiweb.erl ---------------------------------------------------------------------- diff --git a/src/mochiweb/src/mochiweb.erl b/src/mochiweb/src/mochiweb.erl new file mode 100644 index 0000000..250beb5 --- /dev/null +++ b/src/mochiweb/src/mochiweb.erl @@ -0,0 +1,281 @@ +%% @author Bob Ippolito <[email protected]> +%% @copyright 2007 Mochi Media, Inc. + +%% @doc Start and stop the MochiWeb server. + +-module(mochiweb). +-author('[email protected]'). + +-export([new_request/1, new_response/1]). +-export([all_loaded/0, all_loaded/1, reload/0]). +-export([ensure_started/1]). + +reload() -> + [c:l(Module) || Module <- all_loaded()]. + +all_loaded() -> + all_loaded(filename:dirname(code:which(?MODULE))). + +all_loaded(Base) when is_atom(Base) -> + []; +all_loaded(Base) -> + FullBase = Base ++ "/", + F = fun ({_Module, Loaded}, Acc) when is_atom(Loaded) -> + Acc; + ({Module, Loaded}, Acc) -> + case lists:prefix(FullBase, Loaded) of + true -> + [Module | Acc]; + false -> + Acc + end + end, + lists:foldl(F, [], code:all_loaded()). + + +%% @spec new_request({Socket, Request, Headers}) -> MochiWebRequest +%% @doc Return a mochiweb_request data structure. +new_request({Socket, {Method, {abs_path, Uri}, Version}, Headers}) -> + mochiweb_request:new(Socket, + Method, + Uri, + Version, + mochiweb_headers:make(Headers)); +% this case probably doesn't "exist". +new_request({Socket, {Method, {absoluteURI, _Protocol, _Host, _Port, Uri}, + Version}, Headers}) -> + mochiweb_request:new(Socket, + Method, + Uri, + Version, + mochiweb_headers:make(Headers)); +%% Request-URI is "*" +%% From http://www.w3.org/Protocols/rfc2616/rfc2616-sec5.html#sec5.1.2 +new_request({Socket, {Method, '*'=Uri, Version}, Headers}) -> + mochiweb_request:new(Socket, + Method, + Uri, + Version, + mochiweb_headers:make(Headers)). + +%% @spec new_response({Request, integer(), Headers}) -> MochiWebResponse +%% @doc Return a mochiweb_response data structure. +new_response({Request, Code, Headers}) -> + mochiweb_response:new(Request, + Code, + mochiweb_headers:make(Headers)). + +%% @spec ensure_started(App::atom()) -> ok +%% @doc Start the given App if it has not been started already. +ensure_started(App) -> + case application:start(App) of + ok -> + ok; + {error, {already_started, App}} -> + ok + end. + +%% +%% Tests +%% +-ifdef(TEST). +-include_lib("eunit/include/eunit.hrl"). + +-record(treq, {path, body= <<>>, xreply= <<>>}). + +ssl_cert_opts() -> + EbinDir = filename:dirname(code:which(?MODULE)), + CertDir = filename:join([EbinDir, "..", "support", "test-materials"]), + CertFile = filename:join(CertDir, "test_ssl_cert.pem"), + KeyFile = filename:join(CertDir, "test_ssl_key.pem"), + [{certfile, CertFile}, {keyfile, KeyFile}]. + +with_server(Transport, ServerFun, ClientFun) -> + ServerOpts0 = [{ip, "127.0.0.1"}, {port, 0}, {loop, ServerFun}], + ServerOpts = case Transport of + plain -> + ServerOpts0; + ssl -> + ServerOpts0 ++ [{ssl, true}, {ssl_opts, ssl_cert_opts()}] + end, + {ok, Server} = mochiweb_http:start_link(ServerOpts), + Port = mochiweb_socket_server:get(Server, port), + Res = (catch ClientFun(Transport, Port)), + mochiweb_http:stop(Server), + Res. + +request_test() -> + R = mochiweb_request:new(z, z, "/foo/bar/baz%20wibble+quux?qs=2", z, []), + "/foo/bar/baz wibble quux" = R:get(path), + ok. + +-define(LARGE_TIMEOUT, 60). + +single_http_GET_test() -> + do_GET(plain, 1). + +single_https_GET_test() -> + do_GET(ssl, 1). + +multiple_http_GET_test() -> + do_GET(plain, 3). + +multiple_https_GET_test() -> + do_GET(ssl, 3). + +hundred_http_GET_test_() -> % note the underscore + {timeout, ?LARGE_TIMEOUT, + fun() -> ?assertEqual(ok, do_GET(plain,100)) end}. + +hundred_https_GET_test_() -> % note the underscore + {timeout, ?LARGE_TIMEOUT, + fun() -> ?assertEqual(ok, do_GET(ssl,100)) end}. + +single_128_http_POST_test() -> + do_POST(plain, 128, 1). + +single_128_https_POST_test() -> + do_POST(ssl, 128, 1). + +single_2k_http_POST_test() -> + do_POST(plain, 2048, 1). + +single_2k_https_POST_test() -> + do_POST(ssl, 2048, 1). + +single_100k_http_POST_test() -> + do_POST(plain, 102400, 1). + +single_100k_https_POST_test() -> + do_POST(ssl, 102400, 1). + +multiple_100k_http_POST_test() -> + do_POST(plain, 102400, 3). + +multiple_100K_https_POST_test() -> + do_POST(ssl, 102400, 3). + +hundred_128_http_POST_test_() -> % note the underscore + {timeout, ?LARGE_TIMEOUT, + fun() -> ?assertEqual(ok, do_POST(plain, 128, 100)) end}. + +hundred_128_https_POST_test_() -> % note the underscore + {timeout, ?LARGE_TIMEOUT, + fun() -> ?assertEqual(ok, do_POST(ssl, 128, 100)) end}. + +do_GET(Transport, Times) -> + PathPrefix = "/whatever/", + ReplyPrefix = "You requested: ", + ServerFun = fun (Req) -> + Reply = ReplyPrefix ++ Req:get(path), + Req:ok({"text/plain", Reply}) + end, + TestReqs = [begin + Path = PathPrefix ++ integer_to_list(N), + ExpectedReply = list_to_binary(ReplyPrefix ++ Path), + #treq{path=Path, xreply=ExpectedReply} + end || N <- lists:seq(1, Times)], + ClientFun = new_client_fun('GET', TestReqs), + ok = with_server(Transport, ServerFun, ClientFun), + ok. + +do_POST(Transport, Size, Times) -> + ServerFun = fun (Req) -> + Body = Req:recv_body(), + Headers = [{"Content-Type", "application/octet-stream"}], + Req:respond({201, Headers, Body}) + end, + TestReqs = [begin + Path = "/stuff/" ++ integer_to_list(N), + Body = crypto:rand_bytes(Size), + #treq{path=Path, body=Body, xreply=Body} + end || N <- lists:seq(1, Times)], + ClientFun = new_client_fun('POST', TestReqs), + ok = with_server(Transport, ServerFun, ClientFun), + ok. + +new_client_fun(Method, TestReqs) -> + fun (Transport, Port) -> + client_request(Transport, Port, Method, TestReqs) + end. + +client_request(Transport, Port, Method, TestReqs) -> + Opts = [binary, {active, false}, {packet, http}], + SockFun = case Transport of + plain -> + {ok, Socket} = gen_tcp:connect("127.0.0.1", Port, Opts), + fun (recv) -> + gen_tcp:recv(Socket, 0); + ({recv, Length}) -> + gen_tcp:recv(Socket, Length); + ({send, Data}) -> + gen_tcp:send(Socket, Data); + ({setopts, L}) -> + inet:setopts(Socket, L) + end; + ssl -> + {ok, Socket} = ssl:connect("127.0.0.1", Port, [{ssl_imp, new} | Opts]), + fun (recv) -> + ssl:recv(Socket, 0); + ({recv, Length}) -> + ssl:recv(Socket, Length); + ({send, Data}) -> + ssl:send(Socket, Data); + ({setopts, L}) -> + ssl:setopts(Socket, L) + end + end, + client_request(SockFun, Method, TestReqs). + +client_request(SockFun, _Method, []) -> + {the_end, {error, closed}} = {the_end, SockFun(recv)}, + ok; +client_request(SockFun, Method, + [#treq{path=Path, body=Body, xreply=ExReply} | Rest]) -> + Request = [atom_to_list(Method), " ", Path, " HTTP/1.1\r\n", + client_headers(Body, Rest =:= []), + "\r\n", + Body], + ok = SockFun({send, Request}), + case Method of + 'GET' -> + {ok, {http_response, {1,1}, 200, "OK"}} = SockFun(recv); + 'POST' -> + {ok, {http_response, {1,1}, 201, "Created"}} = SockFun(recv) + end, + ok = SockFun({setopts, [{packet, httph}]}), + {ok, {http_header, _, 'Server', _, "MochiWeb" ++ _}} = SockFun(recv), + {ok, {http_header, _, 'Date', _, _}} = SockFun(recv), + {ok, {http_header, _, 'Content-Type', _, _}} = SockFun(recv), + {ok, {http_header, _, 'Content-Length', _, ConLenStr}} = SockFun(recv), + ContentLength = list_to_integer(ConLenStr), + {ok, http_eoh} = SockFun(recv), + ok = SockFun({setopts, [{packet, raw}]}), + {payload, ExReply} = {payload, drain_reply(SockFun, ContentLength, <<>>)}, + ok = SockFun({setopts, [{packet, http}]}), + client_request(SockFun, Method, Rest). + +client_headers(Body, IsLastRequest) -> + ["Host: localhost\r\n", + case Body of + <<>> -> + ""; + _ -> + ["Content-Type: application/octet-stream\r\n", + "Content-Length: ", integer_to_list(byte_size(Body)), "\r\n"] + end, + case IsLastRequest of + true -> + "Connection: close\r\n"; + false -> + "" + end]. + +drain_reply(_SockFun, 0, Acc) -> + Acc; +drain_reply(SockFun, Length, Acc) -> + Sz = erlang:min(Length, 1024), + {ok, B} = SockFun({recv, Sz}), + drain_reply(SockFun, Length - Sz, <<Acc/bytes, B/bytes>>). + +-endif. http://git-wip-us.apache.org/repos/asf/couchdb/blob/6fdb9e07/src/mochiweb/src/mochiweb_acceptor.erl ---------------------------------------------------------------------- diff --git a/src/mochiweb/src/mochiweb_acceptor.erl b/src/mochiweb/src/mochiweb_acceptor.erl new file mode 100644 index 0000000..efedfbd --- /dev/null +++ b/src/mochiweb/src/mochiweb_acceptor.erl @@ -0,0 +1,50 @@ +%% @author Bob Ippolito <[email protected]> +%% @copyright 2010 Mochi Media, Inc. + +%% @doc MochiWeb acceptor. + +-module(mochiweb_acceptor). +-author('[email protected]'). + +-include("internal.hrl"). + +-export([start_link/3, init/3]). + +start_link(Server, Listen, Loop) -> + proc_lib:spawn_link(?MODULE, init, [Server, Listen, Loop]). + +init(Server, Listen, Loop) -> + T1 = now(), + case catch mochiweb_socket:accept(Listen) of + {ok, Socket} -> + gen_server:cast(Server, {accepted, self(), timer:now_diff(now(), T1)}), + call_loop(Loop, Socket); + {error, closed} -> + exit(normal); + {error, timeout} -> + init(Server, Listen, Loop); + {error, esslaccept} -> + exit(normal); + Other -> + error_logger:error_report( + [{application, mochiweb}, + "Accept failed error", + lists:flatten(io_lib:format("~p", [Other]))]), + exit({error, accept_failed}) + end. + +call_loop({M, F}, Socket) -> + M:F(Socket); +call_loop({M, F, [A1]}, Socket) -> + M:F(Socket, A1); +call_loop({M, F, A}, Socket) -> + erlang:apply(M, F, [Socket | A]); +call_loop(Loop, Socket) -> + Loop(Socket). + +%% +%% Tests +%% +-ifdef(TEST). +-include_lib("eunit/include/eunit.hrl"). +-endif.
