* add msgId to ACK to avoid the risks of losing messages with concurrent delivery (in app/NSE)
* update ACK to only remove message and update stats if msgId matches
* add tests, fix
* rename sameMsgId/msgDeleted
* support stopping and resuming agent (#385)
* export agentDbPath
* support fully closing and resuming agent
* whitespace
* clean up
* support message flags visible to SMP server to control notifications (and for any future extensions)
* simplify message flags encoding
* GET command
* primary tokens
* support repeat token registration (TODO fix tests)
* fix notifications tests
* fix/test repeat/new registrations of the same token
* re-register token when subsequent ntf command fails with AUTH error (e.g. when server is re-started)
* cancel periodic notifications when token is deleted on the server
* debug failing test on CI
* fix notification test in CI
* debug CI test
* add delay in notificaitons test after server restart
* test notification token with agent and notifications server
* notification server test with APNS mock
* set environment variables in the test
* use base64url encoding in encrypted notification data
* notifications: periodic notifications
* agent: allow repeat token registrations, delete old tokens from notification server (e.g., when database is moved to another device)
* decrypt token verification code in the agent
* check token status, send TCRN on registration if it was enabled
* fix http2/apns response handling for error responses (also, APNS seems not to send content-length header?)
* APN push client (WIP)
* APNS push client works
* TODO comments
* comment
* send notification and process the response
* config
* e2e encryption for notification parameter
* read apns key filename and ID from env
* connect APNS client to server, fix notification JSON encoding to use dash case
* do not connect to APNS on start to pass CI tests
* fix CI test
* remove redundant import
* Revert "increase PING timeout, add PING failure count"
This reverts commit a89e019bb0.
* Revert "PING error now throws error to restart SMPClient for more reliable re-connection (#342)"
This reverts commit 62acbc4ad4.
* only process END from the currently active client
* log ignored END
* make PING sent every 15 sec and destroying connection on failure (for testing - to be reverted)
* make removing subscription atomic too
* Revert "make PING sent every 15 sec and destroying connection on failure (for testing - to be reverted)"
This reverts commit 5520b318a2.
* refactor, aggressive PING settings for testing
* revert PING breaking connection
* agent schema/methods/types/store methods for notifications tokens
* register notification token on the server
* agent commands for notification tokens
* refactor initial servers from AgentConfig
* agent store functions for notification tokens
* server STM store methods for tokens
* fix protocol client for ntfs (use generic handshake), minimal server and agent tests
* server command to verify ntf token
