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2015-03-23Strip potentially large terms when sending outgoing Diameter messagesAnders Svensson
Both incoming and outgoing Diameter messages pass through two or three processes, depending on whether they're incoming or outgoing: the transport process and corresponding peer_fsm process and (for incoming) watchdog processes. Since terms other than binary are copied when passing process boundaries, large terms lead to copying that can be problematic, if frequent enough. Since only the bin and transport_data fields of a diameter_packet record are needed by the transport process, discard others when sending outgoing messages. Strictly speaking, the statement that only the aforementioned fields are needed by the transport process depends on the transport process. It's true of those implemented by diameter (in diameter_tcp and diameter_sctp), but an implementation that makes use of other fields is assuming more than the documentation in diameter_transport(3) promises.
2015-03-19Improve language consistency in diameter(1)Anders Svensson
Akin to commit 85d44b58.
2015-03-05Merge branch 'anders/diameter/grouped_decode/OTP-12475' into maintAnders Svensson
* anders/diameter/grouped_decode/OTP-12475: Allow encode of decoded diameter_avp list Add testcases for diameter_avp decode Fix handling of length errors on Grouped AVPs Don't discard component diameter_avp list on Grouped AVP decode error Fix process dictionary manipulation during message decode
2015-03-05Merge branch 'egil/fix-break-printout/OTP-12537' into maintBjörn-Egil Dahlberg
* egil/fix-break-printout/OTP-12537: erts: Fix erroneous printout in crashdump
2015-03-05Merge branch 'egil/fix-ts_make-unicode/OTP-12536' into maintBjörn-Egil Dahlberg
* egil/fix-ts_make-unicode/OTP-12536: test_server: Let ts_make have a latin1 fallback
2015-03-05Merge branch 'ia/ssl/TLS_FALLBACK_SCSV/OTP-12458' into maintIngela Anderton Andin
* ia/ssl/TLS_FALLBACK_SCSV/OTP-12458: ssl: Implement support for TLS_FALLBACK_SCSV
2015-03-05Merge branch 'anders/diameter/17/time/OTP-12439' into maintAnders Svensson
* anders/diameter/17/time/OTP-12439: Ignore undefined calls to OTP 18 time api in app suite
2015-03-05Merge branch 'anders/diameter/time/OTP-12439' into maintAnders Svensson
* anders/diameter/time/OTP-12439: Use new time api in test suites Use new time api in implementation
2015-03-05Merge branch 'anders/diameter/pool/OTP-12428' into maintAnders Svensson
* anders/diameter/pool/OTP-12428: Fix SCTP match blunder in suites Be backwards compatible with diameter_sctp listener state Add gen_tcp testcase that fails sporadically Simplify transport suite Remove (ancient) dead code Don't orphan slave nodes in example suite Refresh example code Improve language consistency in diameter(1) Add pool suite to test transport_opt() pool_size Adapt tcp/sctp transport modules for pool_size > 1 Add transport_opt() pool_size
2015-03-05Merge branch 'anders/diameter/shutdown/OTP-12412' into maintAnders Svensson
* anders/diameter/shutdown/OTP-12412: Increase service shutdown timeout Set shutdown = infinity for supervisor children Monitor more efficiently at shutdown
2015-03-05Merge branch 'anders/diameter/retransmission/OTP-12415' into maintAnders Svensson
* anders/diameter/retransmission/OTP-12415: Fix retransmission of messages sent as header/avps list
2015-03-05Merge branch 'anders/diameter/answer_discard/OTP-11492' into maintAnders Svensson
* anders/diameter/answer_discard/OTP-11492: Fix error matching in traffic suite Don't discard outgoing answers with Result-Code/E-bit errors
2015-03-04Allow encode of decoded diameter_avp listAnders Svensson
The decode of an incoming request in a non-relay application results in a deep list of diameter_avp records. Encoding such a list resulted in a function_clause error in diameter_codec:pack_avp/1, which expected a flat list. The list is only flat in the relay case, or in the absence of AVPs of type Grouped. This is also related to code that exists but isn't documented. It's documented that a diameter_app(3) handle_request callback can return {relay, Opts} to relay a request received in the relay application. What's not documented is that it can also return {proxy|resend, Opts} in a non-relay application, but this leads to encode failure when there are Grouped AVPs. This shouldn't be interpreted as meaning that proxy|resend are now supported: they aren't. The two extra terms are a historical relic that should probably be removed. Neither are generally usable since, for example, a proxy agent may want to modify a request before resending it. A specific handle_request return is not needed to implement a proxy agent. Even {relay, Opts} isn't strictly necessary.
2015-03-04Add testcases for diameter_avp decodeAnders Svensson
2015-03-04Fix handling of length errors on Grouped AVPsAnders Svensson
The decode of a Grouped AVP ignored the case that extracting component AVPs with diameter_codec:collect_avps/1 returned a tuple, in the case of a truncated AVP header.
2015-03-02Merge branch 'raimo/inet_tcp_dist-priority-option/OTP-12476' into maintRaimo Niskanen
* raimo/inet_tcp_dist-priority-option/OTP-12476: Document kernel inet_dist_{listen,connect}_options Test kernel inet_dist_{listen,connect}_options Implement kernel inet_dist_{listen,connect}_options
2015-03-02ssl: Implement support for TLS_FALLBACK_SCSVIngela Anderton Andin
2015-03-01Ignore undefined calls to OTP 18 time api in app suiteAnders Svensson
So that the xref testcase is independent of the release it's run on. The code uses the new time api if available, so as to be forward compatible.
2015-02-27Merge branch 'rokob/eliminate-duplication-app-controller' into maintZandra Hird
* rokob/eliminate-duplication-app-controller: Add helper function to reduce code duplication OTP-12524
2015-02-27Merge branch 'nox/docs-re-unicode' into maintHenrik Nord
* nox/docs-re-unicode: Fix documentation about character types in unicode mode OTP-12521
2015-02-27Merge branch 'kellymclaughlin/crypto-aes-cfb-flexible-key-size/OTP-12467' ↵Henrik Nord
into maint * kellymclaughlin/crypto-aes-cfb-flexible-key-size/OTP-12467: Accept all valid key sizes in aes_cfb functions
2015-02-27Merge branch 'fishcakez/runtime_tools/dbg/OTP-12517' into maintBjörn Gustavsson
* fishcakez/runtime_tools/dbg/OTP-12517: Ensure dbg tracer exits when dbg is stopped
2015-02-26Merge branch 'peppe/common_test/missing_start_flag_in_doc' into maintPeter Andersson
* peppe/common_test/missing_start_flag_in_doc: Add missing -group flag in ct_run help text OTP-12433
2015-02-26Ensure dbg tracer exits when dbg is stoppedJames Fish
Previously the tracer might receive an 'EXIT' message in the trace receive loop and treat it as garbage. Test uses a custom dbg process handler to reliably recreate the race condition, i.e. the message order {trace, ..}, {'EXIT, ..}.
2015-02-25Fix error matching in traffic suiteAnders Svensson
Clause matching error for specific test cases was harmless since the subsequent clause also matched. Errors detected by the server result in Failed-AVP being sent, which should not lead to a decode error in the client.
2015-02-25Don't discard outgoing answers with Result-Code/E-bit errorsAnders Svensson
Outgoing answers missing a Result-Code AVP or setting an E-bit inappropriately were discarded, but there's no particular reason for doing so if the answer can be encoded, and the sender has no way of knowing that their answer has been discarded. It's also inappropriate that the message be discarded in the relay case. Answers are now sent, and an error counter incremented.
2015-02-24Merge branch 'zandra/xcomp-power-pc-dso-linux-fix' into maintZandra Hird
* zandra/xcomp-power-pc-dso-linux-fix: update ppc xcomp file
2015-02-24Merge branch 'nifoc/inet_doc_fixes' into maintZandra Hird
* nifoc/inet_doc_fixes: Fix typos ("received to the socket")
2015-02-24Fix SCTP match blunder in suitesAnders Svensson
More than an incoming message can contain ancillary data, which the gen_sctp and transport suites did not expect. On FreeBSD 10, an sctp_assoc_change event appears always to contain ancillary data.
2015-02-23update ppc xcomp fileZandra Hird
2015-02-23Merge remote-tracking branch ↵Peter Andersson
'origin/peppe/common_test/include_file_problems' into maint * origin/peppe/common_test/include_file_problems: Fix failing test case Add valid include path to epp in erl2html2 and fix crashing code OTP-12419
2015-02-20Merge branch 'raimo/infinite-loop-gethostbyname/OTP-12133' into maintRaimo Niskanen
* raimo/infinite-loop-gethostbyname/OTP-12133: Remove infinite loop in inet:gethostbyname_tm/4
2015-02-20Document kernel inet_dist_{listen,connect}_optionsRaimo Niskanen
2015-02-20Test kernel inet_dist_{listen,connect}_optionsRaimo Niskanen
2015-02-20Fix documentation about character types in unicode modeAnthony Ramine
Behaviour of character types \d, \w and \s has always been to not match characters with value above 255, not 128, i.e. they are limited to ISO-Latin-1 and not ASCII.
2015-02-20erts: Fix erroneous printout in crashdumpBjörn-Egil Dahlberg
An extra '}' were printed in remote links.
2015-02-20Merge branch 'ethercrow/export_gen_udp_socket' into maintZandra Hird
* ethercrow/export_gen_udp_socket: Export type gen_udp:socket/0
2015-02-20Use new time api in test suitesAnders Svensson
Where it's less important to do so, but it has to be done at some point since erlang:now/0 is deprecated. As in the parent commit, continue to use the old api if the new one is unavailable.
2015-02-20Use new time api in implementationAnders Svensson
In particular, deal with the deprecation of erlang:now/0 in OTP 18. Be backwards compatible with older releases: the new api is only used when available. The test suites have not been modified.
2015-02-20Be backwards compatible with diameter_sctp listener stateAnders Svensson
Commit 24993fc2 modified the state even in the case that the new pool_size option the change was introduced to support was not used. Doing so made downgrade impossible since old code would not be prepared for the modified state. Retain a compatible state, so that simple code replacement is enough.
2015-02-20Add gen_tcp testcase that fails sporadicallyAnders Svensson
On OS X at least. The testcase opens a listening socket, spawns 8 processes that call gen_tcp:accept/1, waits a couple of seconds, and then spawns 8 processes that call gen_tcp:connect/3. Some of these occasionally return {error, econnreset}.
2015-02-20Simplify transport suiteAnders Svensson
Using the fact that transport processes can now be started concurrently. The suite serialized starts itself when pretending to be diameter starting a transport process.
2015-02-20Remove (ancient) dead codeAnders Svensson
Commit 9a671bf0 removed the need for diameter_sctp to send outgoing messages through the listening process. That was prior to R5B02, so the clause isn't need for any upgrade case.
2015-02-20Don't orphan slave nodes in example suiteAnders Svensson
Stops were aborted at the first failure.
2015-02-20Refresh example codeAnders Svensson
Which hasn't received any attention for some time. Clean it up, rename the poorly named peer.erl (it's Diameter *nodes* that are implemented), and make the it possible to specify arbitrary transport configuration.
2015-02-20Improve language consistency in diameter(1)Anders Svensson
In particular, do away with unnecessary articles in the first sentence of item lists.
2015-02-20Add pool suite to test transport_opt() pool_sizeAnders Svensson
With testcases that uses restrict_connections and pool_size config to establish multiple connections between two Diameter nodes, checking for the expected number of transport processes using diameter:service_info/2.
2015-02-20Adapt tcp/sctp transport modules for pool_size > 1Anders Svensson
In particular, that starts for the same transport reference can now be concurrent. Looking up a listener process and starting a new one if not found did handle this (more than one process could find no listener), and diameter_sctp assumed there could only be one transport process waiting for an association.
2015-02-20Add transport_opt() pool_sizeAnders Svensson
Transport processes are started by diameter one at a time. In the listening case, a transport process accepts a connection, tells the peer_fsm process, which tells its watchdog process, which tells its service process, which then starts a new watchdog, which starts a new peer_fsm, which starts a new transport process, which (finally) goes about accepting another connection. In other words, not particularly aggressive in accepting new connections. This behaviour doesn't do particularly well with a large number of concurrent connections: with TCP and 250 connecting peers we see connections being refused. This commit adds the possibilty of configuring a pool of accepting processes, by way of a new transport option, pool_size. Instead of diameter:add_transport/2 starting just a single process, it now starts the configured number, so that instead of a single process waiting for a connection there's now a pool. The option is even available for connecting processes, which provides an alternate to adding multiple transports when multiple connections to the same peer are required. In practice this also means configuring {restrict_connections, false}: this is not implicit. For backwards compatibility, the form of diameter:service_info(_,transport) differs in the connecting case, depending on whether or not pool_size is configured. Note that transport processes for the same transport_ref() can be started concurrently when pool_size > 1. This places additional requirements on diameter_{tcp,sctp}, that will be dealt with in a subsequent commit.
2015-02-19Fix typos ("received to the socket")Daniel Kempkens