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* anders/diameter/sctp/OTP-10889:
Make unordered delivery configurable
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Changing the default in the parent commit is possibly a bit dangerous,
even if the motivation still holds. Take a step back and make unordered
delivery a matter of configuration, without changing the default:
configuration is {unordered, boolean() | pos_integer()}, with false the
default, and N equivalent to OS =< N, where OS is the number of outbound
streams negotiated on the association in question.
A user can mess with this by configuring an sctp_default_send_param of
their own, but unordered sending is them from start, not only after the
second message reception.
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* anders/diameter/answer-message_decode/OTP-14596:
Exercise answer-message/AVP decode in traffic suite
Exercise answer-message/Failed-AVP decode in traffic suite
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* anders/diameter/DOIC/OTP-14588:
Exercise avp_dictionaries in traffic suite
Let generic AVPs be encoded/decoded in alternate dictionaries
Rename field in codec map: dictionary -> app_dictionary
Add RFC 7683 Diameter Overload Indicator Conveyance text and dictionary
Fix decode undef
Fix dictionary compilation error message
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In particular, that arbitrary application AVPs are decoded in an answer
setting the E-bit.
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In particular, that application AVPs in Failed-AVP are decoded in an
answer setting the E-bit.
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As introduced in the parent commit.
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* anders/diameter/decode_format/OTP-14511:
Map less in traffic suite
Fix decode_format doc oversights
Rename decode_format false to none
Tweak {decode_format, false} semantics
Fix dialyzer spec
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* anders/diameter/Proxy-Info/OTP-9869:
Fix handling of Proxy-Info in answers formulated by diameter
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* anders/diameter/sctp/OTP-10889:
Send unordered on all outbound diameter_sctp streams
Delay rotation of diameter_sctp outbound streams
Exercise unordered delivery in traffic suite
Use unordered delivery on a lone outbound stream in diameter_sctp
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By just decoding to map in the client, instead of to record first. The
record decode is exercised enough in the server and in other suites.
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Which reads better and makes it easier to distinguish this false from
others.
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Represent the decoded message by its atom-valued name in
diameter_packet.msg, which makes trace much more readable. A
diameter_avp.value is untouched (ie. undefined): the AVP name is already
in the name field.
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RFC 6733 says this:
6.2. Diameter Answer Processing
When a request is locally processed, the following procedures MUST be
applied to create the associated answer, in addition to any
additional procedures that MAY be discussed in the Diameter
application defining the command:
...
o Any Proxy-Info AVPs in the request MUST be added to the answer
message, in the same order they were present in the request.
This wasn't done when a handle_request callback returned a Result-Code
in an 'answer-message' or protocol_error tuple, causing diameter itself
to construct the answer message. This form of answer is just a
convenience, since the callback can always return an answer that it
constructs itself.
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* anders/diameter/performance/OTP-14521:
Fix influence of decode_format on service events
Work around more common_test woe
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By randomly setting the number of outbound streams on associations.
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Testcase init functions are getting Config from groups and suites
they're not in. Presumably related to the problems worked around in the
parent commit.
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* anders/diameter/performance/OTP-14521:
Work around unexpected common_test behaviour
Randomly skip groups in traffic suite
Randomly disable traffic counters in traffic suite
Add service_opt() traffic_counters
Fix type spec
Split AVPs at decode
Avoid unnecessary copying of binaries in diameter_tcp
Don't update diameter_tcp state unnecessarily
Don't update diameter_tcp state unnecessarily
Simplify extraction of incoming Diameter messages in diameter_tcp
Restructure/simplify message reception in diameter_peer_fsm
Sleep randomly at the start of (parallel) traffic testcases
Fix ct return value in traffic suite
Fix type spec
Optimize sub-binaries
Optimize sub-binaries
Count AVPs in #diameter_avp.index
Don't extract options unnecessarily at encode
Redo message decode as a single pass
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* anders/diameter/5009/OTP-14512:
Use relaxed arity checks in traffic suite
Be forgiving of non-list values at encode
Add service_opt() strict_arities
Fix detection of 5009 errors
Test Result-Code 5009 in traffic suite
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diameter_traffic_SUITE has four layers of nested groups, so when a
testcase is run it should get Config from four init_per_group plus one
init_per_testcase. This isn't what happens: Config is being accumulated
from several init_per_group in some manner that isn't clear, and the
skip in the parent commit somehow results in growing
test_server_gl:init/1 processes that eventually consume all memory.
Replacing rather than prepending to Config in init_per_group works
around this, but the common_test behaviour seems wrong.
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To limit the number of testcases being run.
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To exercise the new traffic_counters option.
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All SCTP testing on Solaris/Sparc was disabled in commit 69c5a741, but
there are issues on other platforms as well, resulting in failures in
diameter_gen_sctp_SUITE and more. The problems seem to be load-related,
when testcases are run in parallel, so only run a smallish subset
sequentially until the gen_sctp suite runs without error.
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Connection establishment is slow on some test hosts.
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Compiling dictionaries is relatively slow, resulting in timeouts on some
hosts.
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Which has had no negative effect.
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Aka DIAMETER_AVP_OCCURS_TOO_MANY_TIMES.
This reveals a fault. The RFC says this:
A message was received that included an AVP that appeared more
often than permitted in the message definition. The Failed-AVP
AVP MUST be included and contain a copy of the first instance of
the offending AVP that exceeded the maximum number of occurrences.
The list of AVPs is reversed when diameter checks arities, so Failed-AVP
contains the wrong AVP, causing the new testcase to fail.
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Since the number is now under 50K again. Also make testing of individual
groups or testcases easier.
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Use the same [MsgName | Avps] representation as for the list decode, but
with Avps a map instead of a AVP name/values list. As a result, don't
set the message/AVP name on an additional key in the map, which felt a
bit odd. Messages are [MsgName :: atom() | map()], Grouped AVPs are just
map().
Fix at least one problem in the traffic suite along the way: with
decode_format false, the own decode in to_map/2 didn't know whether or
not to decode strings, resulting on some failures.
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For slightly better readability in the ct logs
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To reduce the number of combinations tested, as in the parent commit.
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To reduce the number of config combinations that are tested. The
encoding is the format in which messages are provided to diameter for
encode (to binary), and if there is any difference in the end result
then the peer will detect this at decode, independently of its encoding
format.
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{record_decode, map} is a bit too quirky.
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One for each server decoding/encoding/container combination is overkill.
Just want a few from which one can be chosen in the pick_peer callback.
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Instead of to lists, to simplify matching.
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Matched a byte instead of a bit, and increment/decrement wasn't
symmetric. Allow more requests since some requests timeout.
Bungled in commit 09089872.
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Only exercising the standard dictionaries has missed some problems in
the past.
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* anders/diameter/capx_vs_dpr/OTP-14338:
Let candidate peers be passed to diameter:call/4
Comment on RFC ambiguity regarding application identifiers
Remove trailing whitespace
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* anders/diameter/performance/OTP-14343: (50 commits)
Let spawn_opt config replace erlang:spawn_opt/2 for request processes
Move (most of) diameter_gen.hrl to diameter_gen.erl
Change signature associated with dictionary @custom_type/@codecs
Avoid sending answer terms between processes unnecessarily
Refactor handling of incoming requests
Restore diameter_codec:decode/2, update diameter_codec(3)
Add diameter_codec option ordered_encode
Restore undocumented Failed-AVP setting convenience
Fix/simplify setting of one Failed-AVP
Avoid recreating records
Avoid recreating records
Avoid recreating records
Avoid recreating records
Adapt test suites to modified encode/decode
Simplify diameter_caps construction
Don't compute URI defaults unnecessarily
Don't deconstruct {TPid, Caps} unnecessarily
Remove use of process dictionary in decode
Remove minor diameter_config bloat
Fix maximum AVP arity check
...
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By accepting an MFA that is applied to the fun that is otherwise spawned
for each incoming request, to allow handler processes to be reused. This
is not yet documented and may change, but the motivation is to let spawn
be replaced by process pool, from which the MFA selects. A list-valued
spawn_opt is equivalent to {erlang, spawn_opt, [Opts]}.
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Outgoing requests no longer write to the request table, as of commit
a4da06a5.
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Decode on both ends or not, since the choice doesn't affect the peer.
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To determine the wrapping of messages passed to recv callbacks and into
diameter. The default passing of the input stream in transport_data is
probably of no practical use, but has been set since time immemorial.
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