messaging services #1667
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messaging services #1667
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* smp server: refactor message delivery to always respond SOK to subscriptions * refactor ntf subscribe * cancel subscription thread and reduce service subscription count when queue is deleted * subscribe rcv service, deliver sent messages to subscribed service * subscribe rcv service to messages (TODO delivery on subscription) * WIP * efficient initial delivery of messages to subscribed service * test: delivery to client with service certificate * test: upgrade/downgrade to/from service subscriptions * remove service association from agent API, add per-user flag to use the service * agent client (WIP) * service certificates in the client * rfc about drift detection, and SALL to mark end of message delivery * fix test * fix test * add function for postgresql message storage * update migration
…1668) * servers: maintain xor-hash of all associated queue IDs in PostgreSQL (#1615) * ntf server: maintain xor-hash of all associated queue IDs via PostgreSQL triggers * smp server: xor hash with triggers * fix sql and using pgcrypto extension in tests * track counts and hashes in smp/ntf servers via triggers, smp server stats for service subscription, update SMP protocol to pass expected count and hash in SSUB/NSSUB commands * agent migrations with functions/triggers * remove agent triggers * try tracking service subs in the agent (WIP, does not compile) * Revert "try tracking service subs in the agent (WIP, does not compile)" This reverts commit 59e9081. * comment * agent database triggers * service subscriptions in the client * test / fix client services * update schema * fix postgres migration * update schema * move schema test to the end * use static function with SQLite to avoid dynamic wrapper
* agent: use server keyhash when loading service record * agent: process queue/service associations with delayed subscription results * agent: service subscription events
… service ID changes (#1672) * agent: remove service/queue associations when service ID changes * agent: check that service ID in NEW response matches session ID in transport session * agent subscription WIP * test * comment * enable tests * update queries * agent: option to add SQLite aggregates to DB connection (#1673) * agent: add build_relations_vector function to sqlite * update aggregate * use static aggregate * remove relations --------- Co-authored-by: Evgeny Poberezkin <[email protected]> * add test, treat BAD_SERVICE as temp error, only remove queue associations on service errors * add packZipWith for backward compatibility with GHC 8.10.7 --------- Co-authored-by: spaced4ndy <[email protected]>
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…moved), report errors during service message delivery, remove threads when service subscription ended (#1676) * smp server: always allow services without option * smp server: maintain IDs hash in session subscription states * smp server: service message delivery error handling * ntf server: log subscription count and hash differences * smp server: remove delivery threads when service subscription ended/client disconnected
…ess ENDS event, test migrating to/from service (#1677) * agent: remove service queue association when service ID changed * agent: process ENDS event * agent: send service subscription error event * agent: test migrating to/from service subscriptions, fixes * agent: always remove service when disabled, fix service subscriptions
…pport for store log (#1681) * ntf server: remove support for store log * ntf server: use different client certificates for each SMP server
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Agent:
possibly, use flag to exclude already subscribed queues - although this API is no longer used beyond testsmark queues as associated in subscribeConnections and in subscribeAllConnections (if needed)(already done in AgentClient) agent: service subscription events #1671mark connection as deleted on DELD event (an old gap)possibly, register service ID in TSessionSubs when service is just connectedpossibly, improve service subscription error handling.check DB index for getting queues with service present, possibly add user_id to rcv_queues (and snd_queues?) and add index on (user_id, host, port)Agent tests:
SMP server
maintain hashes in STM in-memory storage for NTF and RCV servicespossibly, remove "proxyServer" flag from SMP transport handshakeNTF service improvements:
stats for service subscriptions and count/hash differences in NTF serverQuestions: