From c6de35b7b283d1693c314559effd177cb912862b Mon Sep 17 00:00:00 2001
From: pacien
Date: Sun, 25 Feb 2018 01:42:27 +0100
Subject: Add log viewer

---
 .../pacien/tincapp/activities/StatusActivity.kt    |  3 +
 .../pacien/tincapp/activities/ViewLogActivity.kt   | 90 ++++++++++++++++++++++
 2 files changed, 93 insertions(+)
 create mode 100644 app/src/main/java/org/pacien/tincapp/activities/ViewLogActivity.kt

(limited to 'app/src/main/java/org/pacien/tincapp/activities')

diff --git a/app/src/main/java/org/pacien/tincapp/activities/StatusActivity.kt b/app/src/main/java/org/pacien/tincapp/activities/StatusActivity.kt
index 1872081..351305c 100644
--- a/app/src/main/java/org/pacien/tincapp/activities/StatusActivity.kt
+++ b/app/src/main/java/org/pacien/tincapp/activities/StatusActivity.kt
@@ -123,6 +123,9 @@ class StatusActivity : BaseActivity(), AdapterView.OnItemClickListener, SwipeRef
     TincVpnService.disconnect()
   }
 
+  fun openLogViewer(@Suppress("UNUSED_PARAMETER") i: MenuItem) =
+    startActivity(Intent(this, ViewLogActivity::class.java))
+
   private fun writeNetworkInfo(cfg: VpnInterfaceConfiguration) {
     text_network_name.text = TincVpnService.getCurrentNetName() ?: getString(R.string.value_none)
     text_network_ip_addresses.setText(cfg.addresses.map { it.toSlashSeparated() })
diff --git a/app/src/main/java/org/pacien/tincapp/activities/ViewLogActivity.kt b/app/src/main/java/org/pacien/tincapp/activities/ViewLogActivity.kt
new file mode 100644
index 0000000..67df51b
--- /dev/null
+++ b/app/src/main/java/org/pacien/tincapp/activities/ViewLogActivity.kt
@@ -0,0 +1,90 @@
+package org.pacien.tincapp.activities
+
+import android.os.Bundle
+import android.text.method.ScrollingMovementMethod
+import android.view.Menu
+import android.view.MenuItem
+import kotlinx.android.synthetic.main.base.*
+import kotlinx.android.synthetic.main.page_viewlog.*
+import org.pacien.tincapp.R
+import org.pacien.tincapp.commands.Executor
+import org.pacien.tincapp.commands.Tinc
+import org.pacien.tincapp.service.TincVpnService
+
+/**
+ * @author pacien
+ */
+class ViewLogActivity : BaseActivity() {
+  companion object {
+    private const val LOG_LEVEL = 4
+    private const val NEW_LINE = "\n"
+  }
+
+  private var logger: Process? = null
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    supportActionBar!!.setDisplayHomeAsUpEnabled(true)
+    layoutInflater.inflate(R.layout.page_viewlog, main_content)
+    startLogging()
+  }
+
+  override fun onCreateOptionsMenu(m: Menu): Boolean {
+    menuInflater.inflate(R.menu.menu_viewlog, m)
+    return super.onCreateOptionsMenu(m)
+  }
+
+  override fun onSupportNavigateUp(): Boolean {
+    finish()
+    return true
+  }
+
+  override fun onDestroy() {
+    stopLogging()
+    super.onDestroy()
+  }
+
+  fun toggleLogging(menuItem: MenuItem) {
+    if (logger == null) {
+      startLogging()
+      text_log.movementMethod = null
+      text_log.setTextIsSelectable(false)
+      menuItem.setIcon(R.drawable.ic_pause_circle_outline_primary_24dp)
+    } else {
+      stopLogging()
+      text_log.movementMethod = ScrollingMovementMethod.getInstance()
+      text_log.setTextIsSelectable(true)
+      menuItem.setIcon(R.drawable.ic_pause_circle_filled_primary_24dp)
+    }
+  }
+
+  private fun startLogging(level: Int = LOG_LEVEL) {
+    text_log.append(NEW_LINE)
+    text_log.append(resources.getString(R.string.message_log_level_set, level))
+    text_log.append(NEW_LINE)
+
+    Tinc.log(TincVpnService.getCurrentNetName()!!, level).let { process ->
+      logger = process
+      Executor.runAsyncTask { printLog(process) }
+    }
+  }
+
+  private fun stopLogging() {
+    logger?.destroy()
+    logger = null
+  }
+
+  private fun printLog(logger: Process) {
+    logger.inputStream?.use { inputStream ->
+      inputStream.bufferedReader().useLines { lines ->
+        lines.forEach {
+          text_log.post {
+            text_log.append(NEW_LINE)
+            text_log.append(it)
+            text_log.append(NEW_LINE)
+          }
+        }
+      }
+    }
+  }
+}
-- 
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