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Author SHA1 Message Date
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
Trolli Schmittlauch f8d444d5b6 FediChordMessage: last part has falg instead of parts number in each msg 
Motivation: Including the number of parts in each message part requires
the total number of parts to be known in advance, making dynamic
responses based on the received data difficult
 2020-05-30 13:07:28 +02:00
Trolli Schmittlauch fea9660f80 WIP: start implementing incoming request handling 2020-05-30 01:10:56 +02:00
Trolli Schmittlauch 96e61b726f adjust hlint hints to ignore lambda-case 2020-05-29 21:30:18 +02:00
Trolli Schmittlauch 61818c58a9 main server thread structure 2020-05-29 17:39:35 +02:00
Trolli Schmittlauch b4ecf8b0aa catch and handle more join errors 2020-05-27 23:37:32 +02:00
Trolli Schmittlauch 6ff765c63e catch and handle bootstrap join errors 2020-05-27 18:59:38 +02:00
Trolli Schmittlauch 27e5c5f9ce bracket all socket-using operations to avoid resource leakage 2020-05-27 18:08:46 +02:00
Trolli Schmittlauch b1c5c5e5f4 try all bootstrap nodes until successfully joined 2020-05-26 20:54:02 +02:00
Trolli Schmittlauch 702684b1a9 split fediChordJoin into general purpose and bootstrapping part 2020-05-26 11:02:29 +02:00
Trolli Schmittlauch 43eb04dfea preliminary passing of bootstrap nodes in Main to fediChordJoin 2020-05-26 09:39:02 +02:00
Trolli Schmittlauch ad1465c5fe use global cache adding function 2020-05-26 08:55:44 +02:00
Trolli Schmittlauch e3bfa26ddb join request + large FediChord refactoring 
- implement sending of initial join request sending, response parsing
  and cache population (untested but compiles)
- refactor basic types and their functions into Hash2Pub.FediChordTypes
  to prevent import loops, leaving Hash2Pub.FediChord to contain the
  high level actions called from Main
 2020-05-25 22:03:24 +02:00
Trolli Schmittlauch d5841d13fd extract queryID message sending function so it can be used for first join 2020-05-22 22:12:38 +02:00
Trolli Schmittlauch 16769d1395 Merge branch 'refactorNodeState' into dhtNetworking 
closes #20
 2020-05-22 00:06:10 +02:00
Trolli Schmittlauch bbe7078369 adjust tests to work with new NodeState types 
closes #20
 2020-05-22 00:05:23 +02:00
Trolli Schmittlauch e8091b0a29 change all function definitions to new NodeState types 
- adjust implementation

contributes to #20
 2020-05-21 23:48:36 +02:00
Trolli Schmittlauch fe673dc255 make NodeState a typeclasse, define setters and getters on its representations 
contributes to #20
 2020-05-21 23:40:10 +02:00
Trolli Schmittlauch 99a2b0ba09 add instance deriving instructions 2020-05-20 19:27:51 +02:00
Trolli Schmittlauch f6c252d314 sending a queryID request compiles (untested) 2020-05-20 18:55:24 +02:00
Trolli Schmittlauch beffab99a0 clarify counting of FediChordMessage parts 2020-05-19 19:50:36 +02:00
Trolli Schmittlauch c31baa3635 run stylish 2020-05-19 17:55:40 +02:00
Trolli Schmittlauch 8d18f952cd implement send-receive-acknowledge-retry loop for requests 2020-05-19 17:53:13 +02:00
Trolli Schmittlauch 0e6f126b3b Merge branch 'master' into dhtNetworking 2020-05-19 16:51:43 +02:00
Trolli Schmittlauch b8eeb852da Merge pull request 'Linting integration' (#17) from Hecate/Hash2Pub:hlint-configuration into master 
Introduce some code formatting guidelines and enforce them with hlint and stylish:

- End-of-line extra spaces removal;
- Import lines ordering;
- Redundant ($) removal;
- Generalisation of (++) and map to (<>) and fmap;
- Preferring pure over return;
- Removing extraenous extensions.
 2020-05-19 16:35:59 +02:00
Trolli Schmittlauch 7fd369c8c5 add stylish as haskell linter 2020-05-19 16:33:00 +02:00