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2014-09-12Fix ?MODULE in preprocessed dictionary formsAnders Svensson
By replacing literal diameter_gen_relay atoms in forms extracted from that module by the name of the module in question. This has been wrong for some time, but only became noticable when the parent commit started using ?MODULE as more than a process dictionary key or tag to match on. In particular, the function dict/1 in diameter_gen.hrl (included by every dictionary module) can now return ?MODULE, which is (not surprisingly) expected to be the name of the dictionary module in question. It wasn't in the case of a module compiled from forms: it was diameter_gen_relay, since that's the module the forms were extracted from. The fix only affects dictionaries compiled from forms, as returned by diameter_make:codec/2. In particular, dictionaries compiled from Erlang source returned by this function, or by diameterc(1), are unaffected.
2014-09-09Merge branch 'anders/diameter/17.3_release/OTP-12093' into maintAnders Svensson
* anders/diameter/17.3_release/OTP-12093: vsn -> 1.7.1 Update appup for OTP-12094 Update appup for OTP-12080 Update appup for OTP-12069
2014-09-09Merge branch 'anders/diameter/Failed-AVP/OTP-12094' into maintAnders Svensson
* anders/diameter/Failed-AVP/OTP-12094: Fix best effort decode of Failed-AVP Fix decode of Failed-AVP in RFC 3588 answer-message
2014-09-09Merge branch 'anders/diameter/counters/OTP-12080' into maintAnders Svensson
* anders/diameter/counters/OTP-12080: Fix counters for answer-message Count relayed messages on {relay, Rbit} Count request retransmissions Fix counting of outgoing requests
2014-09-08Update appup for OTP-12094Anders Svensson
diameter_codec must be loaded before diameter_traffic.
2014-09-08Update appup for OTP-12080Anders Svensson
2014-09-08Update appup for OTP-12069Anders Svensson
2014-09-08Fix best effort decode of Failed-AVPAnders Svensson
Commit c2c00fdd didn't get it quite right: it only decoded failed AVPs in the common dictionary since it's this dictionary an answer-message is decoded in. An extra dictionary isn't something that's easily passed through the decode without rewriting dictionary compilation however, and that's no small job, so continue with the use/abuse of the process dictionary by storing the dictionary module for the decode to retrieve. This is one step worse than previous uses since the dictionary is put in one module (diameter_codec) and got in another (the dictionary module), but it's the lesser of two evils.
2014-09-08Fix counters for answer-messageAnders Svensson
An answer message that sets the E-bit is encoded/decoded with Diameter common dictionary, using the answer-message grammar specified in the RFC. However, the dictionary of the application in question is the one that knows the command code of the message. Commit df19c272 didn't make this distinction when incrementing counters for an answer-message, using the common dictionary for both purposes, causing the message to be counted as unknown. This commit remedies that.
2014-08-05Map binary process info to a reference/byte countAnders Svensson
That is, instead of including the list in a diameter:service_info/2 info tuple, only include the number of references and the number of bytes referenced. The list itself can be quite large and typically isn't that interesting, at least not to a diameter user.
2014-08-05Count relayed messages on {relay, Rbit}Anders Svensson
Instead of grouping them with 'unknown'. These messages were keyed on {ApplicationId, CommandCode, Rbit} prior to commit df19c272, but distinguishing between the relay application and others is probably more useful. The only reason for not including the R-bit in the unknown key is that the key is also used elsewhere, and relay is an expected case while unknown isn't.
2014-08-05Count request retransmissionsAnders Svensson
As mentioned in the parent commit. The {Id, send, retransmission} key is of the same form as the {Id, send|recv, error} key used for encode/decode errors.
2014-08-05Fix counting of outgoing requestsAnders Svensson
Commit df19c272 broke this in avoiding counting on arbitrary keys. It didn't break it sufficiently for the only counters usage in the test suites to fail however: watchdog counters worked as intended, but no others, not even CER and DPR. More testcases are needed. This commit does change/fix the previous semantics somewhat: - Retransmissions are no longer counted. This previously made it impossible to distinguish between these and unanswered requests, since both counted as an outgoing request. There should probably be a retransmission counter but it should be distinct from the sent request counter. - The counting is always on the node from which diameter:call/4 is invoked, not the node on which the transport resides, as was previously the case. (Although they're typically one and the same.) Note that none of these semantics are documented as yet, so we're not changing a documented interface.
2014-07-21Add info item for diameter:service_info/2Anders Svensson
To extract only process info from connections info, which can be useful to reduce the amount of information returned. Choose 'info' for the item since process_info is more than one word: all others are one. Don't choose memory since it's too specific: might want to use it for more.
2014-07-21Add (process) info tuple to diameter:service_info/2Anders Svensson
To show process_info of interest. This is not yet documented since it may well change.
2014-07-21Add diameter_dbg:sizes/0Anders Svensson
To return sizes of named ets tables.
2014-07-21Tweak commentsAnders Svensson
2014-06-11Corrected module name in appup fileMicael Karlberg
2014-05-29Merge branch 'anders/diameter/dictionaries/OTP-11958' into maintAnders Svensson
* anders/diameter/dictionaries/OTP-11958: Fix broken check for undefined AVPs in @codec and @custom_types Add @codecs and @custom_types tests to compiler suite
2014-05-29Fix broken check for undefined AVPs in @codec and @custom_typesAnders Svensson
Instead of detecting the error, code generation failed when attempting to lookup the type of an undefined AVP.
2014-05-28Merge branch 'anders/diameter/17.1/OTP-11943' into maintAnders Svensson
* anders/diameter/17.1/OTP-11943: Update appup for OTP-11946, OTP-11936: 5014, Failed-AVP decode Update appup for OTP-11938: terminate watchdog after DPR reception Update appup for OTP-11721: log and counter hardening Update appup for OTP-11937: counters Update appup for OTP-11901: diameter_sctp function_clause Update appup for OTP-11934: watchdog process leak Update appup for OTP-11893: request table leak Update appup for OTP-11891: result code counters for CEA/DWA/DPA vsn -> 1.7 Fix broken release note for diameter-1.4.4
2014-05-28Merge branch 'anders/diameter/hardening/OTP-11721' into maintAnders Svensson
* anders/diameter/hardening/OTP-11721: Change answer_errors default from report to discard
2014-05-28Update appup for OTP-11938: terminate watchdog after DPR receptionAnders Svensson
Modules: diameter_watchdog, diameter_peer_fsm diameter_watchdog must be loaded first.
2014-05-28Update appup for OTP-11721: log and counter hardeningAnders Svensson
Modules: diameter_codec, diameter_peer_fsm, diameter_watchdog, diameter_traffic, diameter_service, diameter_lib, dictionary modules diameter_lib and diameter_traffic (in that order) must be loaded first. diameter_codec last must be loaded before diameter_peer_fsm and diameter_watchdog.
2014-05-27Update appup for OTP-11937: countersAnders Svensson
Modules: diameter_peer_fsm, diameter_watchdog, diameter_codec, diameter_traffic diameter_traffic must be loaded first.
2014-05-27Update appup for OTP-11901: diameter_sctp function_clauseAnders Svensson
2014-05-27Update appup for OTP-11893: request table leakAnders Svensson
Modules: diameter_service
2014-05-27Update appup for OTP-11891: result code counters for CEA/DWA/DPAAnders Svensson
Modules: diameter_traffic, diameter_peer_fsm, diameter_watchdog diameter_traffic must be loaded first.
2014-05-27Change answer_errors default from report to discardAnders Svensson
In the same vein as commit 00584303, to avoid logging traffic-related happenings. Not that the value in diameter.hrl is just documentation: the value is set explicitly when diameter:start_service/2 creates diameter_app records.
2014-05-27Merge branch 'anders/diameter/Failed-AVP/OTP-11936' into maintAnders Svensson
* anders/diameter/Failed-AVP/OTP-11936: Do best-effort decode of Failed-AVP Add a testcase that expects a decoded value in Failed-AVP
2014-05-27Merge branch 'anders/diameter/5014/OTP-11946' into maintAnders Svensson
* anders/diameter/5014/OTP-11946: Fix handling of AVP length errors (5014) in unknown AVPs Add testcases that send unknown AVPs with a bad AVP Length
2014-05-27Merge branch 'anders/diameter/hardening/OTP-11721' into maintAnders Svensson
* anders/diameter/hardening/OTP-11721: Simplify example server Make example server answer unsupported requests with 3001 Make example code quiet Don't count messages on arbitrary keys Replace traffic-related log reports with no-op function calls
2014-05-26Do best-effort decode of Failed-AVPAnders Svensson
Commit 4ce2d3a6 (diameter-1.4.2, OTP-11007) disabled the decode of values in Failed-AVP components since any error caused the decode of Failed-AVP itself to fail. This is less than useful since (1) we should be able to decode it given that we've sent it (modulo mangling on the way to the peer and back), and (2) it's not unheard of to examine Failed-AVP to see what the peer objected to. This commits adds a best-effort decode: decode if possible, otherwise not, using the same abuse of the process dictionary as commit bbdb027c.
2014-05-26Fix handling of AVP length errors (5014) in unknown AVPsAnders Svensson
Commit 4ce2d3a6 added the insertion of a single bit into binary AVP data to induce an encode error in the case of a header length that pointed past the available bytes: a 5014 = DIAMETER_INVALID_AVP_LENGTH error. Commit 838856b fixed this for stringish Diameter types, but both commits neglected the case in which the offending AVP isn't known to the dictionary in question. Unless the AVP was regarded as erroneous for other reasons (eg. an M-bit resulting in 5001) it would be happily be packed into an 'AVP' field. If it was regarded as an error, the record could be passed back to diameter_codec:pack_avp/1, and if the record contained header data then there was no clause to deal with the unpleasantry. Deal with it by having the dictionary module strip the extra bit and flag the AVP as 5014, and by having diameter_codec handle any extra bit coming from an dictionary compiled against an old diameter_gen. An old dictionary won't detect 5014 however, so dictionaries should be recompiled. Change most of the guards in diameter_codec from is_bitstring/1 to is_binary/1. What's being passed to the decode functions are binaries received other the network. The only case in which a non-binary bitstring is when we've placed an extra bit there ourselves. (Modulo someone doing something they shouldn't.)
2014-05-26Don't count messages on arbitrary keysAnders Svensson
That is, don't use a key constructed from an incoming Diameter header unless the message is known to the dictionary in question. Otherwise there are 2^32 application ids, 2^24 command codes, and 2 R-bits for an ill-willed peer to choose from, each resulting in new keys in the counter table (diameter_stats). The usual {ApplicationId, CommandCode, Rbit} in a key is replaced by the atom 'unknown' if the message in question is unknown to the decoding dictionary. Counters for messages sent and received by a relay are (still) not implemented.
2014-05-26Replace traffic-related log reports with no-op function callsAnders Svensson
The former were a little over-enthusiastic and could cause a node to be logged to death if a peer Diameter node was sufficiently ill-willed. The function calls are to diameter_lib:log/4, the arguments of which identify the happening in question, and which does nothing but provide a function to trace on. Many existing log calls have been shrunk. The only remaining traffic-related report (hopefully) is that resulting from {answer_errors, report} config, and this has been slimmed.
2014-05-26Merge branch 'anders/diameter/dpr/OTP-11938' into maintAnders Svensson
* anders/diameter/dpr/OTP-11938: Ensure watchdog dies with transport if DPA was sent
2014-05-26Merge branch 'anders/diameter/sctp/OTP-11901' into maintAnders Svensson
* anders/diameter/sctp/OTP-11901: Fix diameter_sctp function_clause Anchor path regexps in examples suite Run examples suite over both TCP and SCTP
2014-05-25Merge branch 'anders/diameter/rc_counters/OTP-11937' into maintAnders Svensson
* anders/diameter/rc_counters/OTP-11937: Count encode errors in outgoing messages Count decode errors in incoming requests Count decode errors independently of result codes
2014-05-25Merge branch 'anders/diameter/rc_counters/OTP-11891' into maintAnders Svensson
* anders/diameter/rc_counters/OTP-11891: Count result codes in CEA/DWA/DPA
2014-05-25Merge branch 'anders/diameter/watchdog_leak/OTP-11934' into maintAnders Svensson
* anders/diameter/watchdog_leak/OTP-11934: Simplify sending of 'close' to watchdog Fix watchdog table leak
2014-05-25Merge branch 'anders/diameter/request_leak/OTP-11893' into maintAnders Svensson
* anders/diameter/request_leak/OTP-11893: Fix leaking request table Add check that request table is empty to failover suite Comment fix
2014-05-25Fix diameter_sctp function_clauseAnders Svensson
Introduced in commit ed6395a6. The {stream, Id} transport_data set upon reception is passed back to us by default when receiving the answer to a request message, so even capabilities exchange failed.
2014-05-23Ensure watchdog dies with transport if DPA was sentAnders Svensson
A DPR/DPA exchange should always cause the watchdog process in question to die with the transport, so that a subsequent connection with the same peer doesn't result in a 3 x DWR/DWA exchange. Commit 5903d6db saw to this for the sending of DPR but neglected the corresponding problem for DPA. In the case of sending DPR (the aforementioned commit), note that there's no distinction between receiving DPA as expected and not: the watchdog dies with the transport regardless. diameter_watchdog must be loaded first at upgrade.
2014-05-23Count encode errors in outgoing messagesAnders Svensson
Only decode errors were counted previously. Keys are of the form {Id, send, error}, where Id is: {ApplicationId, CommandCode, Rbit} | unknown The latter will be the case if not even a #diameter_header{} can be constructed.
2014-05-22Count decode errors in incoming requestsAnders Svensson
Errors were only counted in incoming answers. Counters are keyed on tuples of the same form: {{ApplicationId, CommandCode, Rbit}, recv, error}
2014-05-22Count decode errors independently of result codesAnders Svensson
Since the former doesn't exclude the latter. Counter values are returned by diameter:service_info/2. They can currently only be retrieved for a service, not for individual transports or peer connections.
2014-05-21Count result codes in CEA/DWA/DPAAnders Svensson
Corresponding counters for other answer messages have been counted previously, but those for CEA, DWA, and DPA have been missing since diameter itself sends these messages and the implementation is as bit more separate than it might be. The counters are keyed on values of the following form. {{ApplicationId, CommandCode, 0 = Rbit}, send|recv, {'Result-Code', RC}}
2014-05-20Simplify sending of 'close' to watchdogAnders Svensson
There's no need to send the message immediately if there's no transport configuration since that in itself means the service process will tell the watchdogs to die.
2014-05-20Fix watchdog table leakAnders Svensson
Commit ef5fddcb (diameter-1.4.1, R16B) caused the leak in the case of an accepting watchdog with restrict_connections = false. It (correctly) ensured the state remained at INITIAL but a subsequent 'close' message to terminate the process was ignored since the state was not DOWN. In fact, no 'close' was sent since there was no state transition or previous connection: the former triggers the message from diameter_service, the latter from diameter_watchdog. The message is now sent to self() from the watchdog itself. Send 'close' in the same way when multiple connections to the same peer are allowed, to avoid waiting for a watchdog timer expiry for the process to terminate in this case.