KotlinLogging - option to globally disable logging

src/main/kotlin/com/shr4pnel/ferretirc/irc/util/Helpers.kt

@@ -1,3 +1,7 @@
 package com.shr4pnel.ferretirc.irc.util
 
-class Helpers
+class Helpers {
+    companion object LoggingConfig {
+        var enableLogging = true
+    }
+}

src/main/kotlin/com/shr4pnel/ferretirc/net/MessageParser.kt

@@ -1,18 +1,16 @@
 package com.shr4pnel.ferretirc.net
 
+import com.shr4pnel.ferretirc.irc.util.Helpers
 import com.shr4pnel.ferretirc.net.messages.ServerMessage
 import io.github.oshai.kotlinlogging.KotlinLogging
-import io.ktor.http.parameters
-import io.ktor.network.selector.SelectInterest
-import io.ktor.util.toUpperCasePreservingASCIIRules
+import io.github.oshai.kotlinlogging.slf4j.logger
 import kotlinx.coroutines.channels.Channel
+import org.slf4j.helpers.NOPLogger
 
 class MessageParser(val incoming: Channel<String>) {
-    private val logger = KotlinLogging.logger("MessageParser")
     val incomingParsedMessages = Channel<ServerMessage>()
 
     private companion object MessageBuilder {
-        val logger = KotlinLogging.logger("MessageParser.MessageBuilder")
         fun getTrailingParameterIndex(params: List<String>) = params.indexOfLast { it.startsWith(":") }
 
         sealed interface Command {
@@ -58,6 +56,7 @@ class MessageParser(val incoming: Channel<String>) {
                     }
                 }
             }
+    private val logger = if (Helpers.enableLogging) KotlinLogging.logger {} else KotlinLogging.logger(NOPLogger.NOP_LOGGER)
 
             class NumericCommand(val number: Int, val parameters: List<String>?) : Command {
                 override fun toServerMessage(): ServerMessage {
@@ -106,6 +105,7 @@ class MessageParser(val incoming: Channel<String>) {
     suspend fun start() {
         for (msg in incoming) {
             incomingParsedMessages.send(build(msg))
+            logger.trace { "Receiving: $msg" }
         }
     }
 }

src/main/kotlin/com/shr4pnel/ferretirc/net/MessageReader.kt

@@ -1,7 +1,10 @@
 package com.shr4pnel.ferretirc.net
 
+import com.shr4pnel.ferretirc.irc.util.Helpers
 import com.shr4pnel.ferretirc.net.messages.MessageIO
 import com.shr4pnel.ferretirc.net.messages.ServerMessage
+import io.github.oshai.kotlinlogging.KotlinLogging
+import io.github.oshai.kotlinlogging.slf4j.logger
 import io.ktor.network.sockets.Socket
 import io.ktor.network.sockets.openReadChannel
 import io.ktor.utils.io.ByteReadChannel
@@ -12,6 +15,7 @@ import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
+import org.slf4j.helpers.NOPLogger
 import kotlin.reflect.KClass
 import kotlin.reflect.cast
 
@@ -20,6 +24,8 @@ class MessageReader(socket: Socket, scope: CoroutineScope) : MessageIO(socket, s
     private val listenedMessages = mutableListOf<ServerMessage>()
     val messageBuffer = MutableSharedFlow<ServerMessage>(16, 64)
     val parser = MessageParser(incomingMessages)
+    private val logger = if (Helpers.enableLogging) KotlinLogging.logger {} else KotlinLogging.logger(NOPLogger.NOP_LOGGER)
+
 
     init {
         scope.launch {
@@ -35,6 +41,7 @@ class MessageReader(socket: Socket, scope: CoroutineScope) : MessageIO(socket, s
         while (true) {
             val line = receive.readLineStrict() ?: break // >:( no LineEnding option for just CRLF? charlatans...
             incomingMessages.send(line)
+                logger.debug { "Receive: $line" }
         }
     }
 

src/main/kotlin/com/shr4pnel/ferretirc/net/MessageWriter.kt

@@ -1,17 +1,20 @@
 package com.shr4pnel.ferretirc.net
 
+import com.shr4pnel.ferretirc.irc.util.Helpers
 import com.shr4pnel.ferretirc.net.messages.MessageIO
 import io.github.oshai.kotlinlogging.KotlinLogging
+import io.github.oshai.kotlinlogging.slf4j.logger
 import io.ktor.network.sockets.Socket
 import io.ktor.network.sockets.openWriteChannel
 import io.ktor.utils.io.ByteWriteChannel
 import io.ktor.utils.io.writeFully
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
+import org.slf4j.helpers.NOPLogger
 
 class MessageWriter(socket: Socket, scope: CoroutineScope) : MessageIO(socket, scope) {
     private lateinit var send: ByteWriteChannel
-    private val logger = KotlinLogging.logger("MessageWriter")
+    private val logger = if (Helpers.enableLogging) KotlinLogging.logger {} else KotlinLogging.logger(NOPLogger.NOP_LOGGER)
 
     override fun start() = scope.launch {
         send = socket.openWriteChannel()