feat: android writing to log file

Author: Jasonvdb

lib/android/src/main/java/com/reactnativeldk/Helpers.kt

@@ -10,7 +10,9 @@ import java.net.URL
 import java.nio.channels.Channels
 
 fun handleResolve(promise: Promise, res: LdkCallbackResponses) {
-    LdkEventEmitter.send(EventTypes.native_log, "Success: ${res}")
+    if (res != LdkCallbackResponses.log_write_success) {
+        LdkEventEmitter.send(EventTypes.native_log, "Success: ${res}")
+    }
     promise.resolve(res.toString());
 }
 

lib/android/src/main/java/com/reactnativeldk/LdkModule.kt

@@ -92,6 +92,7 @@ enum class LdkCallbackResponses {
     fees_updated,
     log_level_updated,
     log_path_updated,
+    log_write_success,
     chain_monitor_init_success,
     keys_manager_init_success,
     channel_manager_init_success,
@@ -200,6 +201,13 @@ class LdkModule(reactContext: ReactApplicationContext) : ReactContextBaseJavaMod
         handleResolve(promise, LdkCallbackResponses.log_path_updated)
     }
 
+    @ReactMethod
+    fun writeToLogFile(line: String, promise: Promise) {
+        LogFile.write(line)
+
+        handleResolve(promise, LdkCallbackResponses.log_write_success)
+    }
+
     @ReactMethod
     fun initChainMonitor(promise: Promise) {
         if (chainMonitor !== null) {
@@ -338,9 +346,9 @@ class LdkModule(reactContext: ReactApplicationContext) : ReactContextBaseJavaMod
                 body.putInt("node_count", networkGraph!!.read_only().list_nodes().count())
                 LdkEventEmitter.send(EventTypes.network_graph_updated, body)
             }
-
-            handleResolve(promise, LdkCallbackResponses.network_graph_init_success)
         }
+
+        handleResolve(promise, LdkCallbackResponses.network_graph_init_success)
     }
 
     @ReactMethod
@@ -794,7 +802,7 @@ class LdkModule(reactContext: ReactApplicationContext) : ReactContextBaseJavaMod
     }
 
     @ReactMethod
-    fun networkGraphListNodes(promise: Promise) {
+    fun networkGraphListNodeIds(promise: Promise) {
         val graph = networkGraph?.read_only() ?: return handleReject(promise, LdkErrors.init_network_graph)
 
         val total = graph.list_nodes().count()
@@ -809,11 +817,13 @@ class LdkModule(reactContext: ReactApplicationContext) : ReactContextBaseJavaMod
     }
 
     @ReactMethod
-    fun networkGraphNode(nodeId: String, promise: Promise) {
+    fun networkGraphNodes(nodeIds: ReadableArray, promise: Promise) {
         val graph = networkGraph?.read_only() ?: return handleReject(promise, LdkErrors.init_network_graph)
 
-        val id = NodeId.from_pubkey(nodeId.hexa())
-        promise.resolve(graph.node(id)?.asJson)
+        val list = Arguments.createArray()
+        //TODO
+        //        val id = NodeId.from_pubkey(nodeId.hexa())
+        promise.resolve(list)
     }
 
     @ReactMethod

lib/android/src/main/java/com/reactnativeldk/classes/LdkLogger.kt

@@ -9,9 +9,23 @@ import java.io.File
 class LdkLogger {
     var activeLevels = HashMap<Int, Boolean>()
     var logger = Logger.new_impl{ record: Record ->
-        if (activeLevels[record._level.ordinal] == true) {
+        val level = record._level.ordinal
+        if (activeLevels[level] == true) {
             LdkEventEmitter.send(EventTypes.ldk_log, record._args)
-            LogFile.write(record._args)
+
+            var levelStr = "LEVEL $level"
+            when (level) {
+                0 -> levelStr = "GOSSIP"
+                1 -> levelStr = "TRACE"
+                2 -> levelStr = "DEBUG"
+                3 -> levelStr = "INFO"
+                4 -> levelStr = "WARN"
+                5 -> levelStr = "ERROR"
+            }
+
+            LogFile.write( "$levelStr (LDK): ${record._args}")
+        } else {
+            println("Skipping log level $level")
         }
     }
 
@@ -25,15 +39,18 @@ object LogFile {
     private var logFile: File? = null
 
     fun setFilePath(logFile: File) {
-        if (!logFile!!.isFile) {
-            logFile!!.createNewFile()
+        if (!logFile.isFile) {
+            logFile.createNewFile()
         }
+
+        this.logFile = logFile
     }
 
     fun write(str: String) {
         if (logFile == null) {
             return
         }
+
         logFile!!.appendText("${str}\n")
     }
 }