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Author SHA1 Message Date
Trolli Schmittlauch 280d928ad7 Refactor requestQueryID to be able to send a single request 
in preparation for #30
 2020-06-27 16:06:15 +02:00
Trolli Schmittlauch 7f5dac55ea close #29: periodic cache maintenance 
periodically delete expired cache entries, check unverified ones and
potentially use them as neighbour
 2020-06-25 01:24:38 +02:00
Trolli Schmittlauch 5e8cfb0ccd mark successfully Pinged nodes as verified 
for #29
 2020-06-24 22:27:46 +02:00
Trolli Schmittlauch c9783a10cf launch stabilise thread 
closes #44

although stabilise functionality is still untested
 2020-06-24 02:51:39 +02:00
Trolli Schmittlauch 81e346db4e update responding neighbours and delete unresponding ones from cache 
contributes to #44
 2020-06-24 02:48:41 +02:00
Trolli Schmittlauch 16b46a8b0b add some comments on stabilise 2020-06-24 02:12:21 +02:00
Trolli Schmittlauch 25f44f3a45 look up additional neighbours if necessary 
for #44
 2020-06-24 01:19:53 +02:00
Trolli Schmittlauch 111c1a299d refactored stabilise: use first responding neighbour 
contributes to #44
 2020-06-23 19:34:15 +02:00
Trolli Schmittlauch d5f502c05c ping potential neighbours before adding to list 
for #44
 2020-06-20 22:28:11 +02:00
Trolli Schmittlauch 0494ddd696 stabilise periodically 
contributes to #44
 2020-06-20 21:24:31 +02:00
Trolli Schmittlauch 3482876d9b send and parse Ping requests 
contributes to #29 #44
 2020-06-19 23:03:27 +02:00
Trolli Schmittlauch 00ff2bf071 refactor adding neighbours 2020-06-19 19:15:05 +02:00
Trolli Schmittlauch e898b80762 Merge branch 'refactorSuccessorsPredecessors' into dhtNetworking 2020-06-19 18:31:39 +02:00
Trolli Schmittlauch 3f42f98443 adjust lookup to RingMap, fix #48 
- change default lookup result when not joined to FOUND
- fix determining own responsibility #48
- adjust tests
 2020-06-18 23:08:20 +02:00
Trolli Schmittlauch da0b8626cb critical bug fix: use target ID for predecessor query lookup 2020-06-18 23:06:43 +02:00
Trolli Schmittlauch f27812bcf3 give up on providing type signature for takeEntriesUntil 2020-06-17 15:13:49 +02:00
Trolli Schmittlauch 43e4ab184e adjust cache entry insertion to usage of RingMap 
#48
 2020-06-17 14:53:36 +02:00
Trolli Schmittlauch fb164dea0a fix instance declaration of RingMap 2020-06-17 14:32:26 +02:00
Trolli Schmittlauch 7e08250f8c refactor setting successors and predecessors 2020-06-17 14:29:30 +02:00
Trolli Schmittlauch 2269357ed0 deleting RingMap entries, list conversion 2020-06-17 02:21:37 +02:00
Trolli Schmittlauch 6142ee61d7 WIP: implement adding, setting and taking RingMap entries. 
contributes to #48
 2020-06-16 23:51:53 +02:00
Trolli Schmittlauch 22a6becf6b fix all previously working tests 2020-06-15 16:41:11 +02:00
Trolli Schmittlauch 061bce2b08 adjust types to refactored RingMap NodeCache 2020-06-15 15:14:11 +02:00
Trolli Schmittlauch 6a98b5c6da fix RingMap function types 2020-06-15 13:53:06 +02:00
Trolli Schmittlauch b179357ab0 generalise NodeCache implementation to make it usable for neighbour nodes as well 
contributes to #48
 2020-06-13 21:41:32 +02:00
Trolli Schmittlauch 7612f5532a create a test for parts of #48 2020-06-13 14:56:05 +02:00
Trolli Schmittlauch 2739b47162 send stabilise to certain successor or predecessor 2020-06-12 15:49:12 +02:00
Trolli Schmittlauch 1204457a2a make sure that predecessors are smaller and successors are larger than node ID 2020-06-10 16:53:17 +02:00
Trolli Schmittlauch 2c98d8507d implement stabilise request sending and parsing 
contributes to #44
 2020-06-09 22:11:42 +02:00
Trolli Schmittlauch f15d83baff Refactor predecessors and successors to hold RemoteNodeStates 
- neighbour nodes need to be contacted reliably
- Only holding NodeIDs requires a cache lookup for getting hostname and
  port. This is brittle as the entry could've been purged from cache.
- refactored ASN.1 scheme, types and add/ sort/ remove implementations

closes #46
 2020-06-09 15:21:22 +02:00
Trolli Schmittlauch 67cba1b69b fixup! rename responseTo -> requestID to avoid partial record accessors 2020-06-08 23:18:12 +02:00
Trolli Schmittlauch 4e359775ec add some debug output prints 2020-06-08 20:31:22 +02:00
Trolli Schmittlauch 2c827ea326 rename responseTo -> requestID to avoid partial record accessors 2020-06-08 20:31:18 +02:00
Trolli Schmittlauch 3892dc91aa Merge branch 'mainline' into dhtNetworking 2020-06-08 18:58:23 +02:00
Trolli Schmittlauch 7c87a578d3 move Main executable to app/ closes #18 2020-06-08 18:57:53 +02:00
Trolli Schmittlauch 6699237243 respond to and handle QueryID requests 
closes #28
 2020-06-08 00:36:59 +02:00
Trolli Schmittlauch eec751584c make setPredecessors and setSuccessors enforce the ordering + size limit 
closes #47
 2020-06-07 23:45:28 +02:00
Trolli Schmittlauch 0a9b0547c6 forgot handling the successors and predecessors of the leaving node 
contributes to #28
 2020-06-07 00:21:14 +02:00
Trolli Schmittlauch e00da9b84f respond to and handle Leave requests 
contributes to #28
 2020-06-06 18:02:55 +02:00
Trolli Schmittlauch 53308080db respond to Stabilise requests 2020-06-06 17:31:20 +02:00
Trolli Schmittlauch 43d72128d2 respond to Ping requests 2020-06-06 17:05:54 +02:00
Trolli Schmittlauch cb769e088f add test for serialiseMessage part numbering 2020-06-06 13:45:35 +02:00
Trolli Schmittlauch e32f0c9146 process and respond to join requests 
- serialiseMessage now starts numbering parts from the first number it
  gets, to be able to continue responding after having ACKed previous
  parts

contributes to #28
 2020-06-06 13:45:18 +02:00
Trolli Schmittlauch 914e07a412 change NodeCache protection to STM 
- putting the NodeCache behind an IORef had been chose because those
  could've been read non-blocking
- the same is true for TVars. The performance characteristics are likely
  worse, but at the advantage of composability within STM monads
 2020-06-05 22:07:47 +02:00
Trolli Schmittlauch dc2e399d64 protect concurrent node state access with STM 
- for allowing concurrent access to predecessors and successors, the
  whole LocalNodeState is passed wrapped into an STM TVar
- this allows keeping the tests for the mostly pure data type, compared
  to protecting only the successor and predecessor list

contributes to #28
 2020-06-04 22:31:41 +02:00
Trolli Schmittlauch f42dfb2137 dispatch incoming requests to their response functions 
- contributes to #28
 2020-06-04 14:48:05 +02:00
Trolli Schmittlauch 0660bce299 acknowledge parts when receiving partial requests 2020-05-31 23:21:55 +02:00
Trolli Schmittlauch 88104de9bf periodically purge request parts 2020-05-31 21:07:40 +02:00
Trolli Schmittlauch bcd1c34c7c manage incoming request parts before handling 2020-05-31 01:14:09 +02:00
Trolli Schmittlauch 2542091379 adjust rest of code to new message structure 2020-05-30 13:52:06 +02:00