From eacd71d700c402e79edec9427b2fe1fb5e6b278e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kjetil=20=C3=98rbekk?= <kjetil.orbekk@gmail.com>
Date: Tue, 31 Jan 2012 14:19:39 +0100
Subject: Support custom search address.

---
 same-android/res/layout/main.xml                   |  7 +++++-
 .../main/java/com/orbekk/HelloAndroidActivity.java | 12 ++++++++++
 .../java/com/orbekk/discovery/Broadcaster.java     |  4 ++--
 .../java/com/orbekk/discovery/SameService.java     | 28 +++++++++++++++++-----
 4 files changed, 42 insertions(+), 9 deletions(-)

diff --git a/same-android/res/layout/main.xml b/same-android/res/layout/main.xml
index 74674df..4ddd343 100644
--- a/same-android/res/layout/main.xml
+++ b/same-android/res/layout/main.xml
@@ -19,12 +19,17 @@
         android:onClick="createNetwork"
         android:text="Create" />
 
+    <EditText
+        android:id="@+id/editText1"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
     <Button
         android:id="@+id/button2"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:onClick="joinNetwork"
-        android:text="Join" />
+        android:text="Search" />
 
     <TextView
         android:id="@+id/ipAddress"
diff --git a/same-android/src/main/java/com/orbekk/HelloAndroidActivity.java b/same-android/src/main/java/com/orbekk/HelloAndroidActivity.java
index 81eebc4..c8c27f3 100644
--- a/same-android/src/main/java/com/orbekk/HelloAndroidActivity.java
+++ b/same-android/src/main/java/com/orbekk/HelloAndroidActivity.java
@@ -1,5 +1,7 @@
 package com.orbekk;
 
+import java.net.InetAddress;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -14,6 +16,7 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
+import android.widget.EditText;
 import android.widget.TextView;
 
 public class HelloAndroidActivity extends Activity { 
@@ -30,6 +33,9 @@ public class HelloAndroidActivity extends Activity {
         logger.info("Joining network");
         Intent intent = new Intent(this, SameService.class);
         intent.setAction("join");
+        // InetAddress address = new Broadcaster(this).getBroadcastAddress();
+        EditText t = (EditText)findViewById(R.id.editText1);
+        intent.putExtra("ip", t.getText().toString());
         startService(intent);
     }
     
@@ -39,6 +45,11 @@ public class HelloAndroidActivity extends Activity {
         t.append(new Broadcaster(this).getWlanAddress().getHostAddress());
     }
     
+    private void showBroadcastAddress() {
+    	EditText t = (EditText)findViewById(R.id.editText1);
+    	t.setText(new Broadcaster(this).getBroadcastAddress().getHostAddress());
+    }
+    
     /**
      * Called when the activity is first created.
      * @param savedInstanceState If the activity is being re-initialized after 
@@ -54,6 +65,7 @@ public class HelloAndroidActivity extends Activity {
 
         setContentView(R.layout.main);        
         showIpAddress();
+        showBroadcastAddress();
         
 //		ClientApp client = new ClientApp();
 //		SameInterface client_ = client.getClient(10015, "ClientNetwork",
diff --git a/same-android/src/main/java/com/orbekk/discovery/Broadcaster.java b/same-android/src/main/java/com/orbekk/discovery/Broadcaster.java
index 167eda1..6744651 100644
--- a/same-android/src/main/java/com/orbekk/discovery/Broadcaster.java
+++ b/same-android/src/main/java/com/orbekk/discovery/Broadcaster.java
@@ -51,11 +51,11 @@ public class Broadcaster {
         return fromInt(broadcast);
     }
     
-    public synchronized boolean sendBroadcast(byte[] data, int port) {
+    public synchronized boolean sendUdpData(byte[] data, InetAddress ip, int port) {
         try {
             socket = new DatagramSocket(0);
             socket.setBroadcast(true);
-            DatagramPacket packet = new DatagramPacket(data, data.length, getBroadcastAddress(), port);
+            DatagramPacket packet = new DatagramPacket(data, data.length, ip, port);
             socket.send(packet);
             return true;
         } catch (SocketException e) {
diff --git a/same-android/src/main/java/com/orbekk/discovery/SameService.java b/same-android/src/main/java/com/orbekk/discovery/SameService.java
index abc92e8..0dd6593 100644
--- a/same-android/src/main/java/com/orbekk/discovery/SameService.java
+++ b/same-android/src/main/java/com/orbekk/discovery/SameService.java
@@ -1,6 +1,8 @@
 package com.orbekk.discovery;
 
 import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
 
 import android.app.Service;
 import android.content.Intent;
@@ -46,7 +48,7 @@ public class SameService extends Service {
                 
                 String port = words[1];
                 String url = "http://" + packet.getAddress().getHostAddress() +
-                        ":" + port + "/";
+                        ":" + port + "/ClientService.json";
                 listener.discover(url);
                 
                 Message message = Message.obtain();
@@ -79,13 +81,22 @@ public class SameService extends Service {
         }
     }
     
-    private void sendBroadcastDiscovery() {
+    private void sendBroadcastDiscovery(InetAddress ip) {
+        Broadcaster broadcaster = new Broadcaster(this);
         String message = "Discover " + (PORT + 2);
         byte[] data = message.getBytes();
-        new Broadcaster(this).sendBroadcast(data, PORT);        
+        if (ip.equals(broadcaster.getBroadcastAddress())) {
+            broadcaster.sendUdpData(data, ip, PORT);
+        } else {
+            String remoteAddress =
+                    String.format("http://%s:%s/ClientService.json",
+                    		ip.getHostAddress(), PORT + 2);
+            sameController.getClient().sendDiscoveryRequest(
+                    remoteAddress);
+        }
     }
     
-    private void joinNetwork() {
+    private void joinNetwork(InetAddress ip) {
         sameController.getClient().setNetworkListener(
                 new NetworkNotificationListener() {
                     @Override
@@ -96,7 +107,7 @@ public class SameService extends Service {
                         toastHandler.sendMessage(message);
                     }
                 });
-        sendBroadcastDiscovery();
+        sendBroadcastDiscovery(ip);
     }
     
     @Override
@@ -125,7 +136,12 @@ public class SameService extends Service {
         if (intent.getAction().equals("create")) {
             createNetwork();
         } else if (intent.getAction().equals("join")) {
-            joinNetwork();
+        	try {
+				InetAddress ip = InetAddress.getByName(intent.getExtras().getString("ip"));
+				joinNetwork(ip);
+			} catch (UnknownHostException e) {
+				logger.error("Unknown host.", e);
+			}
         }
         return START_STICKY;
     }
-- 
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