1. implemented peers list load. added peer sort by ping. iteration 3

app/src/main/java/io/github/chronosx88/yggdrasil/PeerListActivity.kt

@@ -24,10 +24,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.ByteArrayOutputStream
 import java.lang.reflect.Type
-import java.net.Inet4Address
+import java.net.*
-import java.net.InetAddress
-import java.net.URI
-import java.net.URL
 import java.nio.charset.Charset
 
 
@@ -98,6 +95,17 @@ class PeerListActivity : AppCompatActivity() {
         }
     }
 
+    fun ping(address: InetAddress, port:Int): Int {
+        val start = System.currentTimeMillis()
+        try {
+            val socket = Socket()
+            socket.connect(InetSocketAddress(address, port), 5000)
+            socket.close()
+        } catch (e: Exception) {
+            return Int.MAX_VALUE
+        }
+        return (System.currentTimeMillis() - start).toInt()
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -122,9 +130,12 @@ class PeerListActivity : AppCompatActivity() {
                 for ((peer, status) in peers) {
                     if(status.up){
                         for (ccp in countries){
-                            if(ccp.name.toLowerCase().contains(country.replace(".md",""))){
+                            if(ccp.name.toLowerCase().contains(country.replace(".md","").replace("-", " "))){
                                 var url = URI(peer)
-                                var peerInfo = PeerInfo(url.scheme, InetAddress.getByName(url.host), url.port, ccp.nameCode)
+                                var address = InetAddress.getByName(url.host)
+                                var ping = ping(address, url.port)
+                                var peerInfo = PeerInfo(url.scheme, address, url.port, ccp.nameCode)
+                                peerInfo.ping = ping
                                 allOnlinePeers.add(peerInfo)
                             }
                         }
@@ -132,7 +143,7 @@ class PeerListActivity : AppCompatActivity() {
                 }
             }
             if(allOnlinePeers.size>0){
-                allPeers = allOnlinePeers
+                allPeers = ArrayList(allOnlinePeers.sortedWith(compareBy { it.ping }))
             }
 
             if (extras != null) {
@@ -146,12 +157,12 @@ class PeerListActivity : AppCompatActivity() {
                 for(currentPeer in currentPeers){
                     allPeers.add(0, currentPeer)
                 }
-                var adapter = SelectPeerInfoListAdapter(instance, allOnlinePeers, cp)
+                var adapter = SelectPeerInfoListAdapter(instance, allPeers, cp)
                 withContext(Dispatchers.Main) {
                     peerList.adapter = adapter
                 }
             } else {
-                var adapter = SelectPeerInfoListAdapter(instance, allOnlinePeers, ArrayList())
+                var adapter = SelectPeerInfoListAdapter(instance, allPeers, ArrayList())
                 withContext(Dispatchers.Main) {
                     peerList.adapter = adapter
                 }

app/src/main/java/io/github/chronosx88/yggdrasil/models/PeerInfo.kt

@@ -17,7 +17,7 @@ class PeerInfo {
     var address: InetAddress
     var port = 0
     var countryCode: String
-    var ping: Float = Float.MAX_VALUE
+    var ping: Int = Int.MAX_VALUE
 
     override fun toString(): String {
         var a = address.toString();

app/src/main/java/io/github/chronosx88/yggdrasil/models/config/SelectPeerInfoListAdapter.kt

@@ -1,6 +1,7 @@
 package io.github.chronosx88.yggdrasil.models.config
 
 import android.content.Context
+import android.graphics.Color
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -31,6 +32,7 @@ class SelectPeerInfoListAdapter(
             peerInfoHolder.checkbox = listItem.findViewById(R.id.checkbox) as CheckBox
             peerInfoHolder.countryFlag = listItem.findViewById(R.id.countryFlag) as ImageView
             peerInfoHolder.peerInfoText = listItem.findViewById(R.id.peerInfoText) as TextView
+            peerInfoHolder.ping = listItem.findViewById(R.id.ping) as TextView
             listItem.tag = peerInfoHolder
         } else {
             peerInfoHolder = listItem.tag as PeerInfoHolder
@@ -38,7 +40,15 @@ class SelectPeerInfoListAdapter(
         val currentPeer = allPeers[position]
         peerInfoHolder.countryFlag.setImageResource(currentPeer.getCountry(mContext)!!.flagID)
         val peerId = currentPeer.toString()
-        peerInfoHolder.peerInfoText.text = peerId
+        if(currentPeer.ping == Int.MAX_VALUE){
+            peerInfoHolder.peerInfoText.text = "$peerId"
+            peerInfoHolder.ping.text=""
+            peerInfoHolder.peerInfoText.setTextColor(Color.GRAY)
+        } else {
+            peerInfoHolder.peerInfoText.text = "$peerId" //peerId + " " + currentPeer.ping + " ms"
+            peerInfoHolder.ping.text = currentPeer.ping.toString() + " ms"
+            peerInfoHolder.peerInfoText.setTextColor(Color.WHITE)
+        }
         peerInfoHolder.checkbox.setOnCheckedChangeListener { _, isChecked ->
             if(isChecked){
                 if(!currentPeers.contains(currentPeer)){
@@ -62,6 +72,7 @@ class SelectPeerInfoListAdapter(
         lateinit var checkbox: CheckBox
         lateinit var countryFlag: ImageView
         lateinit var peerInfoText: TextView
+        lateinit var ping: TextView
     }
 
 }

app/src/main/res/layout/peers_list_item.xml

@@ -8,7 +8,7 @@
             android:id="@+id/countryFlag"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
-            android:layout_marginStart="20dp"
+            android:layout_marginStart="18dp"
             android:scaleX="0.7"
             android:scaleY="0.7"/>
     <TextView

app/src/main/res/layout/peers_list_item_edit.xml

@@ -1,16 +1,17 @@
-<LinearLayout
+<RelativeLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         android:layout_height="wrap_content"
         android:layout_width="match_parent"
-        android:orientation="horizontal"
+        android:orientation="horizontal">
-        android:gravity="center_vertical">
     <FrameLayout
+            android:id="@+id/frame"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:scaleX="0.4"
             android:scaleY="0.4"
             android:background="@drawable/checkbox_rounded_corner"
-            android:layout_marginStart="5dp">
+            android:layout_alignParentStart="true"
+            android:layout_centerInParent="true">
         <CheckBox
                 android:id="@+id/checkbox"
                 android:layout_width="wrap_content"
@@ -25,16 +26,32 @@
     <ImageView
             android:id="@+id/countryFlag"
             android:layout_width="wrap_content"
-            android:layout_height="match_parent"
+            android:layout_height="wrap_content"
-            android:layout_marginStart="5dp"/>
+            android:layout_marginStart="5dp"
+            android:layout_toEndOf="@+id/frame"
+            android:layout_centerInParent="true"/>
     <TextView
             android:id="@+id/peerInfoText"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:paddingEnd="20dp"
+            android:layout_marginEnd="60dp"
             android:minHeight="45dp"
             android:textSize="14sp"
-            android:textColor="@color/white"/>
+            android:textColor="@color/white"
-</LinearLayout>
+            android:layout_toEndOf="@+id/countryFlag"
+            android:layout_centerInParent="true"/>
+    <TextView
+            android:id="@+id/ping"
+            android:layout_width="60dp"
+            android:layout_height="wrap_content"
+            android:gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:paddingEnd="10dp"
+            android:minHeight="45dp"
+            android:textSize="14sp"
+            android:textColor="@color/white"
+            android:layout_alignParentEnd="true"
+            android:layout_centerInParent="true"/>
+</RelativeLayout>