datalevin.server — datalevin 0.6.23

Non-blocking event-driven database server with role based access control

create clj

(create {:keys [port root verbose]
         :or {port 8898 root "/var/lib/datalevin" verbose false}})

Create a Datalevin server. Initially not running, call start to run.

index-writer-handler clj macro

(index-writer-handler f)

Handle request to index writer

IRunner clj protocol

Ensure calls within with-transaction-kv run in the same thread that runs open-transact-kv, otherwise LMDB will deadlock

halt-run clj

(halt-run this)

new-message clj

(new-message this skey message)

run-calls clj

(run-calls this)

IServer clj protocol

start clj

(start srv)

Start the server

stop clj

(stop srv)

Stop the server

message-cases clj macro

(message-cases skey type)

Message handler function should have the same name as the incoming message type, e.g. '(authentication skey message) for :authentication message type

message-handlers clj

normal-dt-store-handler clj macro

(normal-dt-store-handler f)

Handle request to Datalog store that needs no copy-in or copy-out

normal-kv-store-handler clj macro

(normal-kv-store-handler f)

Handle request to key-value store that needs no copy-in or copy-out

password-hashing clj

(password-hashing password salt)

(password-hashing
  password
  salt
  {:keys [ops-limit mem-limit out-length parallelism]
   :or {ops-limit 4 mem-limit 131072 out-length 32 parallelism 1}})

hashing password using argon2id algorithm, see https://github.com/p-h-c/phc-winner-argon2

password-matches? clj

(password-matches? in-password password-hash salt)

permission-actions clj

permission-objects clj

salt clj

(salt)

generate a 16 byte salt

search-handler clj macro

(search-handler f)

Handle request to search engine

server-schema clj

session-dbi clj

wrap-error clj macro

(wrap-error & body)

wrap-permission clj macro

(wrap-permission req-act req-obj req-tgt message & body)