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* anders/diameter/doc/OTP-14561:
Document new(ish) options in diameter_tcp/sctp
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* anders/diameter/SoC/OTP-10927:
Simplify/complete Standards Compliance doc
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With a table. Probably no one wants to read a commented RFC, it's been
unfinished for some time, and it's difficult to get an overview from it.
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See commits d3829525 (unordered), c591056b (packet), eadf4efc (sender),
636a7199 (tcp message_cb), 373cd07c (sctp message_cb)
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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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To support specifications like RFC 7683 DOIC, that only define AVPs, not
applications. AVPs that aren't known to the application dictionary in
question could previously not be decoded. Configuring alternate
dictionaries with the new transport/service option avp_dictionaries
changes this, so that AVPs like DOIC's Grouped OC-OLR can presented in
their fully decoded glory. Encode is also extended, allowing things like
the following to be encoded in an outgoing message:
'AVP' => [{'OC-OLR', #{'OC-Sequence-Number' => 1,
'OC-Report-Type' => 0,
'OC-Reduction-Percentage' => [25]}}]
A diameter_gen_doic_rfc7683 dictionary is installed, but
avp_dictionaries isn't specific to DOIC.
This commit also solves the problem demonstrated a few commits back,
that application AVPs aren't decoded in answers setting the E-bit. Test
coverage will come in a subsequent commit.
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Which motivates the avp_dictionaries config that will be added in
a subsequent 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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diameter_codec(3) referred only to the record format in places. The
configurable format was added in commits 722fa415 and then 55e65b26.
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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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anders/diameter/decode_format/OTP-14511
* anders/diameter/config_consistency/OTP-14555:
Fix strict_arities blunder
Fix minor error-handling blunder
Let strict_mbit and incoming_maxlen be configured per transport
Let a service configure default transport options
Rename type evaluable -> eval
Document transport_opt() strict_capx
Rename transport_opt() capx_strictness to strict_capx
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* anders/diameter/config_consistency/OTP-14555:
Let strict_mbit and incoming_maxlen be configured per transport
Let a service configure default transport options
Rename type evaluable -> eval
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* anders/diameter/strict_capx/OTP-14546:
Document transport_opt() strict_capx
Rename transport_opt() capx_strictness to strict_capx
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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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* anders/diameter/loopback_any/OTP-14544:
Use loopback/any config in examples suite
Handle loopback/any as local address in diameter_tcp/sctp
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Decoded CER/CEA messages are passed in events messages that can be
subscribed to using diameter:subscribe/1. A configured decode_format was
not reflected in these, messages always being passed as records.
Clarify that strict_arities only applies to message callbacks.
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Since these can make sense per peer. The remaining service-only options
either belong there or make little sense being configured per transport.
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Only a default spawn_opt has been possible to configure, but there's
no reason why most others should need to be configured per transport.
Those options that still only make sense on a transport are
transport_module/config (because of the semantics of multiple values),
applications/capabilities (since these override service options), and
private (since it's only to allow user-specific options in a backwards
compatible way).
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Export the old type as a synonym for backwards compatability. The name
evaluable is a bit too awkward.
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The support is implied by documentation, but wasn't handled in code. Be
consistent in retrieving the address from the sock rather than the
configuration, and in accepting both ip and ifaddr for a local address.
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To be able to disable the counting of messages for which application
callbacks take place. Messages sent/handled by diameter itself are
always counted.
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To be able to disable the relatively expensive check that the number of
AVPs received in a message or grouped AVP agrees with the dictionary in
question. The may well be easier for the user in handle_request/answer
callbacks, when digesting the received message, and in some cases may
not be important.
The check at encode can also be disabled, allowing messages that don't
agree with the dictionary in question to be sent, which can be useful in
test (at least).
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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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{record_decode, map} is a bit too quirky.
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That is, decode to the same format that encode already accepts. Only a
message has its name at the head of the list since AVPs are already
name/value pairs.
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With {record_decode, map}. The option name is arguably a bit misleading
now, but not too objectionable given that the encode/decode in question
has historically only been of records.
One advantage of the map decode is that the map only contains values for
those AVPs existing in the message or grouped AVP in question. The name
of the message or grouped AVP is stored in with key ':name', the leading
colon ensuring that the key isn't a diameter-name.
Decoding to maps makes the hrl files generated from dictionary files
largely irrelevant. There are value defines generated into these, but
they're typically so long as to be unusable.
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To control whether or not messages and grouped AVPs are decoded to
records, in #diameter_packet.msg and #diameter_avp.value respectively.
The decode became unnecessary for diameter's needs in parent commit,
which decoupled it from the checking of AVP arities.
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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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To solve the problem of being able to send messages to a peer that
hasn't advertised support for the application in question, as discussed
in the parent commit. diameter:call/4 can be passed 'peer' options to
identify candidates, and the only requirement is that an appropriate
dictionary be configured for encode. Filters are applied as if
candidates had been selected by advertised application.
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To pass the options map through the encode. This is not backwards
compatible, and dictionaries supporting @custom_types or @codecs will
need to be updated.
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The documentation has been out of date since the string_decode option
was added in commit 1590920c. The optionless decode/2 was removed in the
commit that removed the use of the process dictionary in decode.
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This reverts commit dc57404252c47520f352834ad9be45ad684f96c9.
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"Defaults to X" isn't clarified by "if unspecified".
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This reverts commit e020f75c10410a6943cd055bfa072a2641eab7da.
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This reverts commit bd64ad8e15d66e48b36dbe3584315dd5cfc8b59a.
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