From 1f216fc3cfd3e3b70bcfb94b157ca253515881ab Mon Sep 17 00:00:00 2001
From: bt <bt@rctt.net>
Date: Mon, 8 Jun 2026 16:45:04 +0200
Subject: Add logger

---
 app/src/main/java/net/rctt/netmon/Cell.kt         | 11 ++++++++++-
 app/src/main/java/net/rctt/netmon/CellLogger.kt   | 23 +++++++++++++++++++++++
 app/src/main/java/net/rctt/netmon/MainActivity.kt |  2 ++
 3 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 app/src/main/java/net/rctt/netmon/CellLogger.kt

diff --git a/app/src/main/java/net/rctt/netmon/Cell.kt b/app/src/main/java/net/rctt/netmon/Cell.kt
index f292109..90d6eda 100644
--- a/app/src/main/java/net/rctt/netmon/Cell.kt
+++ b/app/src/main/java/net/rctt/netmon/Cell.kt
@@ -43,7 +43,7 @@ class CellLogItem {
     var type: String = ""
     var lac: Int = 0
     var cid: Long = 0
-    
+
     var description: String = "Unknown"
     var latitude: Double = 0.0
     var longitude: Double = 0.0
@@ -101,4 +101,13 @@ class CellLogItem {
     fun valid(): Boolean {
         return lac != CellInfo.UNAVAILABLE
     }
+
+    fun serialize(): List<String> {
+        return listOf(
+            type,
+            lac.toString(),
+            cid.toString(),
+            power.toString(),
+        )
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/CellLogger.kt b/app/src/main/java/net/rctt/netmon/CellLogger.kt
new file mode 100644
index 0000000..dadf3c9
--- /dev/null
+++ b/app/src/main/java/net/rctt/netmon/CellLogger.kt
@@ -0,0 +1,23 @@
+package net.rctt.netmon
+
+import com.jsoizo.kotlincsv.writer.CsvWriter
+import java.io.FileOutputStream
+import java.io.OutputStreamWriter
+
+class CellLogger {
+    val writer: CsvWriter = CsvWriter()
+    var file: FileOutputStream = FileOutputStream("/storage/emulated/0/log.csv", true)
+    var output: OutputStreamWriter = OutputStreamWriter(file)
+
+    fun write(cells: List<CellLogItem>) {
+        val strings = mutableListOf<List<String>>()
+
+        cells.forEach { cell ->
+            strings.add(cell.serialize())
+        }
+
+        val csv = writer.writeAll(strings)
+        output.write(csv)
+        output.flush()
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/net/rctt/netmon/MainActivity.kt b/app/src/main/java/net/rctt/netmon/MainActivity.kt
index 6556b6d..a63b220 100644
--- a/app/src/main/java/net/rctt/netmon/MainActivity.kt
+++ b/app/src/main/java/net/rctt/netmon/MainActivity.kt
@@ -13,6 +13,7 @@ import org.osmdroid.config.Configuration
 
 class MainActivity : AppCompatActivity() {
     val cellDb = CellDb()
+    val cellLogger = CellLogger()
     val currentCells: HashMap<String, CellLogItem> = hashMapOf()
 
     lateinit var bottomNav: BottomNavigationView
@@ -115,6 +116,7 @@ class MainActivity : AppCompatActivity() {
             currentCells[id]?.update(cellInfo)
         }
 
+        cellLogger.write(currentCells.values.toList())
         scanFragment?.refresh(currentCells)
         mapFragment?.refresh(currentCells)
     }
-- 
cgit v1.2.3