diff options
Diffstat (limited to 'lib/kernel')
-rw-r--r-- | lib/kernel/doc/src/code.xml | 6 | ||||
-rw-r--r-- | lib/kernel/doc/src/file.xml | 17 | ||||
-rw-r--r-- | lib/kernel/doc/src/gen_sctp.xml | 2 | ||||
-rw-r--r-- | lib/kernel/doc/src/inet.xml | 4 | ||||
-rw-r--r-- | lib/kernel/src/application.erl | 2 | ||||
-rw-r--r-- | lib/kernel/src/disk_log.erl | 50 | ||||
-rw-r--r-- | lib/kernel/src/file.erl | 19 | ||||
-rw-r--r-- | lib/kernel/test/gen_tcp_echo_SUITE.erl | 11 | ||||
-rw-r--r-- | lib/kernel/test/gen_tcp_misc_SUITE.erl | 66 |
9 files changed, 126 insertions, 51 deletions
diff --git a/lib/kernel/doc/src/code.xml b/lib/kernel/doc/src/code.xml index 6b89711924..ee687511a3 100644 --- a/lib/kernel/doc/src/code.xml +++ b/lib/kernel/doc/src/code.xml @@ -229,10 +229,10 @@ <c>-code_path_choice Choice</c>. If the flag is set to <c>relaxed</c>, the code server will instead choose a suitable directory depending on the actual file structure. If there exists a regular - application ebin directory,situation it will be choosen. But if it does - not exist, the ebin directory in the archive is choosen if it + application ebin directory,situation it will be chosen. But if it does + not exist, the ebin directory in the archive is chosen if it exists. If neither of them exists the original directory will be - choosen.</p> + chosen.</p> <p>The command line flag <c>-code_path_choice Choice</c> does also affect how <c>init</c> interprets the <c>boot script</c>. The diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml index b2e6962be8..772eff13cc 100644 --- a/lib/kernel/doc/src/file.xml +++ b/lib/kernel/doc/src/file.xml @@ -542,7 +542,7 @@ <desc> <p>Makes a hard link from <c><anno>Existing</anno></c> to <c><anno>New</anno></c>, on - platforms that support links (Unix). This function returns + platforms that support links (Unix and Windows). This function returns <c>ok</c> if the link was successfully created, or <c>{error, <anno>Reason</anno>}</c>. On platforms that do not support links, <c>{error,enotsup}</c> is returned.</p> @@ -569,11 +569,12 @@ <name name="make_symlink" arity="2"/> <fsummary>Make a symbolic link to a file or directory</fsummary> <desc> - <p>This function creates a symbolic link <c><anno>Name2</anno></c> to - the file or directory <c><anno>Name1</anno></c>, on platforms that - support - symbolic links (most Unix systems). <c><anno>Name1</anno></c> need not - exist. This function returns <c>ok</c> if the link was + <p>This function creates a symbolic link <c><anno>New</anno></c> to + the file or directory <c><anno>Existing</anno></c>, on platforms that + support symbolic links (most Unix systems and Windows beginning with + Vista). + <c><anno>Existing</anno></c> need not exist. + This function returns <c>ok</c> if the link was successfully created, or <c>{error, <anno>Reason</anno>}</c>. On platforms that do not support symbolic links, <c>{error, enotsup}</c> @@ -583,11 +584,11 @@ <tag><c>eacces</c></tag> <item> <p>Missing read or write permissions for the parent directories - of <c><anno>Name1</anno></c> or <c><anno>Name2</anno></c>.</p> + of <c><anno>Existing</anno></c> or <c><anno>New</anno></c>.</p> </item> <tag><c>eexist</c></tag> <item> - <p><c><anno>Name2</anno></c> already exists.</p> + <p><c><anno>New</anno></c> already exists.</p> </item> <tag><c>enotsup</c></tag> <item> diff --git a/lib/kernel/doc/src/gen_sctp.xml b/lib/kernel/doc/src/gen_sctp.xml index 418bfae4b8..579b7f1f74 100644 --- a/lib/kernel/doc/src/gen_sctp.xml +++ b/lib/kernel/doc/src/gen_sctp.xml @@ -270,7 +270,7 @@ it is bound to.</p> <p>For type <c>seqpacket</c> sockets (the default) <c><anno>IsServer</anno></c> must be <c>true</c> or <c>false</c>. - In the contrast to TCP, in SCTP there is no listening queue length. + In contrast to TCP, in SCTP there is no listening queue length. If <c><anno>IsServer</anno></c> is <c>true</c> the socket accepts new associations, i.e. it will become an SCTP server socket.</p> <p>For type <c>stream</c> sockets <anno>Backlog</anno> defines diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index fad5af85bb..1a05b4ba99 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -573,6 +573,10 @@ fe80::204:acff:fe17:bf38 is longer than the max allowed length, the packet is considered invalid. The same happens if the packet header is too big for the socket receive buffer.</p> + <p>For line oriented protocols (<c>line</c>,<c>http*</c>), + option <c>packet_size</c> also guarantees that lines up to the + indicated length are accepted and not considered invalid due + to internal buffer limitations.</p> </item> <tag><c>{read_packets, Integer}</c>(UDP sockets)</tag> <item> diff --git a/lib/kernel/src/application.erl b/lib/kernel/src/application.erl index caac4d926c..c299fb085c 100644 --- a/lib/kernel/src/application.erl +++ b/lib/kernel/src/application.erl @@ -59,7 +59,7 @@ -callback start(StartType :: normal | {takeover, node()} | {failover, node()}, StartArgs :: term()) -> - {ok, pid()} | {ok, pid(), State :: term()} | {error, Reason :: term}. + {'ok', pid()} | {'ok', pid(), State :: term()} | {'error', Reason :: term()}. -callback stop(State :: term()) -> term(). diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl index d6bc23be6d..fb9415d440 100644 --- a/lib/kernel/src/disk_log.erl +++ b/lib/kernel/src/disk_log.erl @@ -64,7 +64,7 @@ %%-define(PROFILE(C), C). -define(PROFILE(C), void). --compile({inline,[{log_loop,4},{log_end_sync,2},{replies,2},{rflat,1}]}). +-compile({inline,[{log_loop,5},{log_end_sync,2},{replies,2},{rflat,1}]}). %%%---------------------------------------------------------------------- %%% Contract type specifications @@ -685,7 +685,7 @@ handle({From, {log, B}}, S) -> L when L#log.mode =:= read_only -> reply(From, {error, {read_only_mode, L#log.name}}, S); L when L#log.status =:= ok, L#log.format =:= internal -> - log_loop(S, From, [B], []); + log_loop(S, From, [B], [], iolist_size(B)); L when L#log.status =:= ok, L#log.format =:= external -> reply(From, {error, {format_external, L#log.name}}, S); L when L#log.status =:= {blocked, false} -> @@ -700,7 +700,7 @@ handle({From, {blog, B}}, S) -> L when L#log.mode =:= read_only -> reply(From, {error, {read_only_mode, L#log.name}}, S); L when L#log.status =:= ok -> - log_loop(S, From, [B], []); + log_loop(S, From, [B], [], iolist_size(B)); L when L#log.status =:= {blocked, false} -> reply(From, {error, {blocked_log, L#log.name}}, S); L when L#log.blocked_by =:= From -> @@ -714,7 +714,7 @@ handle({alog, B}, S) -> notify_owners({read_only,B}), loop(S); L when L#log.status =:= ok, L#log.format =:= internal -> - log_loop(S, [], [B], []); + log_loop(S, [], [B], [], iolist_size(B)); L when L#log.status =:= ok -> notify_owners({format_external, B}), loop(S); @@ -730,7 +730,7 @@ handle({balog, B}, S) -> notify_owners({read_only,B}), loop(S); L when L#log.status =:= ok -> - log_loop(S, [], [B], []); + log_loop(S, [], [B], [], iolist_size(B)); L when L#log.status =:= {blocked, false} -> notify_owners({blocked_log, B}), loop(S); @@ -1029,38 +1029,42 @@ handle(_, S) -> loop(S). sync_loop(From, S) -> - log_loop(S, [], [], From). + log_loop(S, [], [], From, 0). + +-define(MAX_LOOK_AHEAD, 64*1024). %% Inlined. -log_loop(S, Pids, _Bins, _Sync) when S#state.cache_error =/= ok -> +log_loop(S, Pids, _Bins, _Sync, _Sz) when S#state.cache_error =/= ok -> loop(cache_error(S, Pids)); -log_loop(S, Pids, Bins, Sync) when S#state.messages =:= [] -> +log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) + when Sz > ?MAX_LOOK_AHEAD -> + loop(log_end(S, Pids, Bins, Sync)); +log_loop(#state{messages = []}=S, Pids, Bins, Sync, Sz) -> receive Message -> - log_loop(Message, Pids, Bins, Sync, S, get(log)) + log_loop(Message, Pids, Bins, Sync, Sz, S, get(log)) after 0 -> loop(log_end(S, Pids, Bins, Sync)) end; -log_loop(S, Pids, Bins, Sync) -> +log_loop(S, Pids, Bins, Sync, Sz) -> [M | Ms] = S#state.messages, S1 = S#state{messages = Ms}, - log_loop(M, Pids, Bins, Sync, S1, get(log)). + log_loop(M, Pids, Bins, Sync, Sz, S1, get(log)). %% Items logged after the last sync request found are sync:ed as well. -log_loop({alog,B}, Pids, Bins, Sync, S, L) when L#log.format =:= internal -> +log_loop({alog,B}, Pids, Bins, Sync, Sz, S, #log{format = internal}) -> %% {alog, _} allowed for the internal format only. - log_loop(S, Pids, [B | Bins], Sync); -log_loop({balog, B}, Pids, Bins, Sync, S, _L) -> - log_loop(S, Pids, [B | Bins], Sync); -log_loop({From, {log, B}}, Pids, Bins, Sync, S, L) - when L#log.format =:= internal -> + log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B)); +log_loop({balog, B}, Pids, Bins, Sync, Sz, S, _L) -> + log_loop(S, Pids, [B | Bins], Sync, Sz+iolist_size(B)); +log_loop({From, {log, B}}, Pids, Bins, Sync, Sz, S, #log{format = internal}) -> %% {log, _} allowed for the internal format only. - log_loop(S, [From | Pids], [B | Bins], Sync); -log_loop({From, {blog, B}}, Pids, Bins, Sync, S, _L) -> - log_loop(S, [From | Pids], [B | Bins], Sync); -log_loop({From, sync}, Pids, Bins, Sync, S, _L) -> - log_loop(S, Pids, Bins, [From | Sync]); -log_loop(Message, Pids, Bins, Sync, S, _L) -> + log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B)); +log_loop({From, {blog, B}}, Pids, Bins, Sync, Sz, S, _L) -> + log_loop(S, [From | Pids], [B | Bins], Sync, Sz+iolist_size(B)); +log_loop({From, sync}, Pids, Bins, Sync, Sz, S, _L) -> + log_loop(S, Pids, Bins, [From | Sync], Sz); +log_loop(Message, Pids, Bins, Sync, _Sz, S, _L) -> NS = log_end(S, Pids, Bins, Sync), handle(Message, NS). diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index b253b3e901..6dc2a26816 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.erl @@ -301,9 +301,9 @@ read_file(Name) -> make_link(Old, New) -> check_and_call(make_link, [file_name(Old), file_name(New)]). --spec make_symlink(Name1, Name2) -> ok | {error, Reason} when - Name1 :: name(), - Name2 :: name(), +-spec make_symlink(Existing, New) -> ok | {error, Reason} when + Existing :: name(), + New :: name(), Reason :: posix() | badarg. make_symlink(Old, New) -> @@ -1137,8 +1137,9 @@ change_group(Name, GroupId) Mtime :: date_time(), Reason :: posix() | badarg. -change_time(Name, Time) - when is_tuple(Time) -> +change_time(Name, {{Y, M, D}, {H, Min, Sec}}=Time) + when is_integer(Y), is_integer(M), is_integer(D), + is_integer(H), is_integer(Min), is_integer(Sec)-> write_file_info(Name, #file_info{mtime=Time}). -spec change_time(Filename, Atime, Mtime) -> ok | {error, Reason} when @@ -1147,8 +1148,12 @@ change_time(Name, Time) Mtime :: date_time(), Reason :: posix() | badarg. -change_time(Name, Atime, Mtime) - when is_tuple(Atime), is_tuple(Mtime) -> +change_time(Name, {{AY, AM, AD}, {AH, AMin, ASec}}=Atime, + {{MY, MM, MD}, {MH, MMin, MSec}}=Mtime) + when is_integer(AY), is_integer(AM), is_integer(AD), + is_integer(AH), is_integer(AMin), is_integer(ASec), + is_integer(MY), is_integer(MM), is_integer(MD), + is_integer(MH), is_integer(MMin), is_integer(MSec)-> write_file_info(Name, #file_info{atime=Atime, mtime=Mtime}). %% diff --git a/lib/kernel/test/gen_tcp_echo_SUITE.erl b/lib/kernel/test/gen_tcp_echo_SUITE.erl index fffaaf4c45..5bbaeb02ad 100644 --- a/lib/kernel/test/gen_tcp_echo_SUITE.erl +++ b/lib/kernel/test/gen_tcp_echo_SUITE.erl @@ -167,8 +167,12 @@ echo_test_1(SockOpts, EchoFun, Config0) -> [{type, {cdr, little}}|Config]), ?line case lists:keymember(packet_size, 1, SockOpts) of false -> - ?line echo_packet([{packet, line}|SockOpts], - EchoFun, Config); + % This is cheating, we should test that packet_size + % also works for line and http. + echo_packet([{packet, line}|SockOpts], EchoFun, Config), + echo_packet([{packet, http}|SockOpts], EchoFun, Config), + echo_packet([{packet, http_bin}|SockOpts], EchoFun, Config); + true -> ok end, ?line echo_packet([{packet, tpkt}|SockOpts], EchoFun, Config), @@ -183,9 +187,6 @@ echo_test_1(SockOpts, EchoFun, Config0) -> [{type, {asn1, short, LongTag}}|Config]), ?line echo_packet([{packet, asn1}|SockOpts], EchoFun, [{type, {asn1, long, LongTag}}|Config]), - - ?line echo_packet([{packet, http}|SockOpts], EchoFun, Config), - ?line echo_packet([{packet, http_bin}|SockOpts], EchoFun, Config), ok. echo_packet(SockOpts, EchoFun, Opts) -> diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl index b1ef8826d5..c1c5ff8b81 100644 --- a/lib/kernel/test/gen_tcp_misc_SUITE.erl +++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl @@ -40,7 +40,8 @@ accept_timeouts_in_order3/1,accept_timeouts_mixed/1, killing_acceptor/1,killing_multi_acceptors/1,killing_multi_acceptors2/1, several_accepts_in_one_go/1,active_once_closed/1, send_timeout/1, send_timeout_active/1, - otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1]). + otp_7731/1, zombie_sockets/1, otp_7816/1, otp_8102/1, + otp_9389/1]). %% Internal exports. -export([sender/3, not_owner/1, passive_sockets_server/2, priority_server/1, @@ -72,7 +73,7 @@ all() -> killing_acceptor, killing_multi_acceptors, killing_multi_acceptors2, several_accepts_in_one_go, active_once_closed, send_timeout, send_timeout_active, otp_7731, - zombie_sockets, otp_7816, otp_8102]. + zombie_sockets, otp_7816, otp_8102, otp_9389]. groups() -> []. @@ -2479,4 +2480,63 @@ otp_8102_do(LSocket, PortNum, {Bin,PType}) -> io:format("Got error msg, ok.\n",[]), gen_tcp:close(SSocket), gen_tcp:close(RSocket). - + +otp_9389(doc) -> ["Verify packet_size handles long HTTP header lines"]; +otp_9389(suite) -> []; +otp_9389(Config) when is_list(Config) -> + ?line {ok, LS} = gen_tcp:listen(0, []), + ?line {ok, {_, PortNum}} = inet:sockname(LS), + io:format("Listening on ~w with port number ~p\n", [LS, PortNum]), + OrigLinkHdr = "/" ++ string:chars($S, 8192), + _Server = spawn_link( + fun() -> + ?line {ok, S} = gen_tcp:accept(LS), + ?line ok = inet:setopts(S, [{packet_size, 16384}]), + ?line ok = otp_9389_loop(S, OrigLinkHdr), + ?line ok = gen_tcp:close(S) + end), + ?line {ok, S} = gen_tcp:connect("localhost", PortNum, + [binary, {active, false}]), + Req = "GET / HTTP/1.1\r\n" + ++ "Host: localhost\r\n" + ++ "Link: " ++ OrigLinkHdr ++ "\r\n\r\n", + ?line ok = gen_tcp:send(S, Req), + ?line ok = inet:setopts(S, [{packet, http}]), + ?line {ok, {http_response, {1,1}, 200, "OK"}} = gen_tcp:recv(S, 0), + ?line ok = inet:setopts(S, [{packet, httph}, {packet_size, 16384}]), + ?line {ok, {http_header, _, 'Content-Length', _, "0"}} = gen_tcp:recv(S, 0), + ?line {ok, {http_header, _, "Link", _, LinkHdr}} = gen_tcp:recv(S, 0), + ?line true = (LinkHdr == OrigLinkHdr), + ok = gen_tcp:close(S), + ok = gen_tcp:close(LS), + ok. + +otp_9389_loop(S, OrigLinkHdr) -> + ?line ok = inet:setopts(S, [{active,once},{packet,http}]), + receive + {http, S, {http_request, 'GET', _, _}} -> + ?line ok = otp_9389_loop(S, OrigLinkHdr, undefined) + after + 3000 -> + ?line error({timeout,request_line}) + end. +otp_9389_loop(S, OrigLinkHdr, ok) -> + ?line Resp = "HTTP/1.1 200 OK\r\nContent-length: 0\r\n" ++ + "Link: " ++ OrigLinkHdr ++ "\r\n\r\n", + ?line ok = gen_tcp:send(S, Resp); +otp_9389_loop(S, OrigLinkHdr, State) -> + ?line ok = inet:setopts(S, [{active,once}, {packet,httph}]), + receive + {http, S, http_eoh} -> + ?line otp_9389_loop(S, OrigLinkHdr, ok); + {http, S, {http_header, _, "Link", _, LinkHdr}} -> + ?line LinkHdr = OrigLinkHdr, + ?line otp_9389_loop(S, OrigLinkHdr, State); + {http, S, {http_header, _, _Hdr, _, _Val}} -> + ?line otp_9389_loop(S, OrigLinkHdr, State); + {http, S, {http_error, Err}} -> + ?line error({error, Err}) + after + 3000 -> + ?line error({timeout,header}) + end. |