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Thanks to ILYA Khlopotov for pointing the bug out.
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As pointed out by roowe, qlc does not handle errors in early compiler
(scanner, parser) well in OTP 18.0.
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* ia/ssl/doc/duplicate:
ssl: Remove duplicate documentation
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Correct merge that went wrong.
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The example is provided by James Fish in
http://erlang.org/pipermail/erlang-questions/2014-December/082204.html.
Note that warnings with text such as "the _ variable breaks
opaqueness" are still possible.
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Several users on erlang-questions have reported problems with recent
releases where output to standard_error causes standard_error_sup to
die from receiving an unexpected eagain error. In the fd_driver,
change the fd_async() function to handle EINTR, and change
fd_ready_async() to handle ERRNO_BLOCK. Add a new test to
standard_error_SUITE to generate output to standard_error and ensure
that standard_error_sup does not die. Thanks to Kota Uenishi for
contributing the test case.
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* hans/ssh/cuddle_tests:
ssh: ct:pal -> ct:log in lib/ssh/test
ssh: ssh_trpt_test_lib improvments
ssh: Unicode test improvments
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Broken in the parent commit.
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The diffs are all about adapting to the OTP 18 time interface. The code
was previously backwards compatible, falling back on the erlang:now/0 if
erlang:monotonic_time/0 is unavailable, but this was seen to be a bad
thing in commit 9c0f2f2c. Use of erlang:now/0 is now removed.
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OTP-12935
* sstrigler/fix-port-timeout:
add test for odbc port_timeout
add doc for odbc port_timeout
introduce odbc port_timeout
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* anders/diameter/17.5.6.3/OTP-12927:
vsn -> 1.9.2.1
Update appup for 17.5.6.3
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* anders/diameter/17/time/OTP-12926:
Simplify time manipulation
Remove use of monotonic time in pre-18 code
Remove unnecessary redefinition of erlang:max/2
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* anders/diameter/grouped_errors/OTP-12930:
Fix decode of Grouped AVPs containing errors
Simplify logic
Simplify logic
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* anders/diameter/transport/OTP-12929:
Fix start order of alternate transports
Log discarded answers
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* anders/diameter/lcnt/OTP-12912:
Make ets diameter_stats a set
Remove unnecessary sorting in stats suite
Set ets {write_concurrency, true} on diameter_stats
Don't start watchdog timers unnecessarily
Remove unnecessary erlang:monitor/2 qualification
Add missing watchdog suite clause
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* anders/diameter/caseless/OTP-12902:
Match allowable peer addresses case insensitively
Replace calls to module inet_parse to equivalents in inet
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* anders/diameter/grouped_decode/OTP-12879:
Fix relay encode of decoded diameter_avp lists
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* anders/diameter/decode/OTP-12891:
Don't compute AVP list length unnecessarily at AVP decode
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* anders/diameter/decode/OTP-12871:
Don't traverse errors list unnecessarily when detecting missing AVPs
Don't flag AVP as missing as a consequence of decode error
Correct inaccurate doc
Truncate potentially large terms passed to diameter_lib:log/4
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* toraritte/patch-1:
Fix function reference (no first/2 in ets)
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* ericmj/patch-1:
Fix formatting of depth option
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- negotiation state
- better printouts
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There's no need for it to be ordered, and the ordering has been seen to
have an unexpectedly negative impact on performance in some cases. Order
when retrieving statistics instead, so as not to change the
presentation in diameter:service_info/2.
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The ordering of (ets) diameter_stats (also unnecessary) ensures the
sorting.
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By doing away with more wrapping that the parent commit started to
remove.
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This has been seen to be a bottleneck at high load: each undef results
in a loop out to the code server.
Originally implemented as suggested in the erts user's guide, in commits
e6d19a18 and d4386254.
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OTP-12871: 5005 decode
OTP-12791: decode performance
OTP-12879: grouped decode
OTP-12902: caseless address match
OTP-12912: fewer timers
OTP-12926: pre-18 time
diameter_lib must be loaded after modules calling its time-related
functions (that have been removed).
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A transport configured with diameter:add_transport/2 can be passed
multiple transport_module/transport_config tuples in order to specify
alternate configuration, modules being attempted in order until one
succeeds. This is primarily for the connecting case, to allow a
transport to be configured to first attempt connection over SCTP, and
then TCP in case SCTP fails, with configuration like that documented:
{transport_module, diameter_sctp},
{transport_config, [...], 5000},
{transport_module, diameter_tcp},
{transport_config, [...]}
If the options are the same in both cases, another possibility would be
configuration like this, which attaches the same transport_config to
both modules:
{transport_module, diameter_sctp},
{transport_module, diameter_tcp},
{transport_config, [...], 5000},
However, in this case the start order was reversed relative to the
documented order: first tcp, then sctp. This commit restores the
intended order.
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To diameter_lib:log/4, which was last motivated in commit 39acfdb0.
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The function already operates on arbitrary terms.
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Commit c74b593a fixed the problem that a decoded deep diameter_avp list
couldn't be encoded, but did so in the wrong way: there's no need to
reencode component AVPs since the Grouped AVP itself already contains
the encoded binary. The blunder caused diameter_codec:pack_avp/1 to fail
if the first element of the AVP list to be encoded was itself a list.
Thanks to Andrzej Trawiński for reporting the problem.
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Both diameter_tcp and diameter_sctp can be configured with one or more
IP addresses from which connections should be accepted (an 'accept'
tuple), specified either as a tuple-valued address or as a regular
expression. In the latter case, peer addresses are mapped to string
using inet:ntoa/1 and the result matched against the regexp. Since
(ipv6) addresses are case insensitive, this should also be the case with
the match, but was not.
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Commits b563c796 (R16B) and 0fad6449 (R16B02) added parse_address/1 and
ntoa/1 to module inet, providing documented alternatives to address/1
and ntoa/1 in the undocumented (save comments in inet(3)) inet_parse.
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This has had a hugely negative impact on performance when decoding
messages containing many AVP: each decode of an AVP having variable
arity computed the length of the list of previously decoded AVPs when
checking that the allowed arity was not exceeded, even if the allowed
arity was infinite, making for O(n^2) cost. Here are some execution
times, for diameter_codec:decode/2 on a representative message with n
integer AVPs in the Common application (on the host at hand):
Before After
------- ---------
n = 1K 5 ms 2 ms
n = 10K 500 ms 25 ms
n = 100K 75 sec 225 ms
n = 1M 2.6 sec
Note the nearly linear increase following the change.
Remove the dire documentation warning for incoming_maxlen as a
consequence. It can still be useful to set, but not doing so won't have
the same consequences as previously.
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Since the list can potentially be long.
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The decode of an incoming Diameter message uses the record
representation to determine whether or not an AVP has been received with
the expected arity, the number of AVPs in each field following decode
being compared with the arity specified in the message grammar. The
problem with this is that decode failure isn't reflected in the record
representation, so that an AVP can be appended to the errors field of a
diameter_packet record despite an entry for the same AVP already
existing. This isn't a fault as much as a misleading error indication,
but now only append AVPs that aren't already represented.
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The warning report was removed in commit 00584303.
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Last visited in commit 00584303.
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lcnt:inspect/1 recently showed this:
lock id #tries collisions [%] time [us]
----- --- ------- --------------- ----------
db_tab diameter_stats 932920 92.9326 330332554
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