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-rw-r--r--lib/kernel/doc/src/code.xml6
-rw-r--r--lib/kernel/doc/src/file.xml17
-rw-r--r--lib/kernel/doc/src/gen_sctp.xml2
-rw-r--r--lib/kernel/doc/src/inet.xml4
-rw-r--r--lib/kernel/src/application.erl2
-rw-r--r--lib/kernel/src/disk_log.erl50
-rw-r--r--lib/kernel/src/file.erl19
-rw-r--r--lib/kernel/test/gen_tcp_echo_SUITE.erl11
-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl66
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.