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simplexmq/apps/smp-server/Main.hs

110 lines
5.3 KiB
Haskell

{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE NumericUnderscores #-}
{-# LANGUAGE OverloadedStrings #-}
module Main where
import Control.Logger.Simple
import Data.Functor (($>))
import Data.Ini (lookupValue)
import Simplex.Messaging.Server (runSMPServer)
import Simplex.Messaging.Server.CLI (ServerCLIConfig (..), protocolServerCLI, readStrictIni)
import Simplex.Messaging.Server.Env.STM (ServerConfig (..), defaultInactiveClientExpiration, defaultMessageExpiration)
import Simplex.Messaging.Server.Expiration
import Simplex.Messaging.Transport (simplexMQVersion, supportedSMPServerVRange)
import System.FilePath (combine)
cfgPath :: FilePath
cfgPath = "/etc/opt/simplex"
logPath :: FilePath
logPath = "/var/opt/simplex"
logCfg :: LogConfig
logCfg = LogConfig {lc_file = Nothing, lc_stderr = True}
main :: IO ()
main = do
setLogLevel LogInfo
withGlobalLogging logCfg . protocolServerCLI smpServerCLIConfig $ \cfg@ServerConfig {inactiveClientExpiration} -> do
putStrLn $ case inactiveClientExpiration of
Just ExpirationConfig {ttl, checkInterval} -> "expiring clients inactive for " <> show ttl <> " seconds every " <> show checkInterval <> " seconds"
_ -> "not expiring inactive clients"
runSMPServer cfg
smpServerCLIConfig :: ServerCLIConfig ServerConfig
smpServerCLIConfig =
let caCrtFile = combine cfgPath "ca.crt"
serverKeyFile = combine cfgPath "server.key"
serverCrtFile = combine cfgPath "server.crt"
in ServerCLIConfig
{ cfgDir = cfgPath,
logDir = logPath,
iniFile = combine cfgPath "smp-server.ini",
storeLogFile = combine logPath "smp-server-store.log",
caKeyFile = combine cfgPath "ca.key",
caCrtFile,
serverKeyFile,
serverCrtFile,
fingerprintFile = combine cfgPath "fingerprint",
defaultServerPort = "5223",
executableName = "smp-server",
serverVersion = "SMP server v" <> simplexMQVersion,
mkIniFile = \enableStoreLog defaultServerPort ->
"[STORE_LOG]\n\
\# The server uses STM memory for persistence,\n\
\# that will be lost on restart (e.g., as with redis).\n\
\# This option enables saving memory to append only log,\n\
\# and restoring it when the server is started.\n\
\# Log is compacted on start (deleted objects are removed).\n"
<> ("enable: " <> (if enableStoreLog then "on" else "off") <> "\n")
<> "# Undelivered messages are optionally saved and restored when the server restarts,\n\
\# they are preserved in the .bak file until the next restart.\n"
<> ("restore_messages: " <> (if enableStoreLog then "on" else "off") <> "\n")
<> ("log_stats: off\n\n")
<> "[TRANSPORT]\n"
<> ("port: " <> defaultServerPort <> "\n")
<> "websockets: off\n\n"
<> "[INACTIVE_CLIENTS]\n\
\# TTL and interval to check inactive clients\n\
\disconnect: off\n"
<> ("# ttl: " <> show (ttl defaultInactiveClientExpiration) <> "\n")
<> ("# check_interval: " <> show (checkInterval defaultInactiveClientExpiration) <> "\n"),
mkServerConfig = \storeLogFile transports ini ->
let settingIsOn section name = if lookupValue section name ini == Right "on" then Just () else Nothing
logStats = settingIsOn "STORE_LOG" "log_stats"
in ServerConfig
{ transports,
tbqSize = 16,
serverTbqSize = 64,
msgQueueQuota = 128,
queueIdBytes = 24,
msgIdBytes = 24, -- must be at least 24 bytes, it is used as 192-bit nonce for XSalsa20
caCertificateFile = caCrtFile,
privateKeyFile = serverKeyFile,
certificateFile = serverCrtFile,
storeLogFile,
storeMsgsFile =
let messagesPath = combine logPath "smp-server-messages.log"
in case lookupValue "STORE_LOG" "restore_messages" ini of
Right "on" -> Just messagesPath
Right _ -> Nothing
-- if the setting is not set, it is enabled when store log is enabled
_ -> storeLogFile $> messagesPath,
allowNewQueues = True,
messageExpiration = Just defaultMessageExpiration,
inactiveClientExpiration =
settingIsOn "INACTIVE_CLIENTS" "disconnect"
$> ExpirationConfig
{ ttl = readStrictIni "INACTIVE_CLIENTS" "ttl" ini,
checkInterval = readStrictIni "INACTIVE_CLIENTS" "check_interval" ini
},
logStatsInterval = logStats $> 86400, -- seconds
logStatsStartTime = 0, -- seconds from 00:00 UTC
serverStatsLogFile = combine logPath "smp-server-stats.daily.log",
serverStatsBackupFile = logStats $> combine logPath "smp-server-stats.log",
smpServerVRange = supportedSMPServerVRange
}
}