nutomic/syncthing-android
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Code Releases Activity

Fix global discovery by using announce server ip instead of hostname.

Browse source 
Old configs are automatically updated.

Also moved initial initial config.xml creation from WebGuiActivity to
SyncthingService.
This commit is contained in:
Felix Ableitner 2014-05-20 14:37:04 +02:00
parent be2dbaffb1
commit 8ddd3b1d2f
3 changed files with 104 additions and 58 deletions
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55
src/main/java/com/nutomic/syncthingandroid/WebGuiActivity.java
View file

@ -9,7 +9,6 @@ import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
@ -21,11 +20,6 @@ import android.widget.TextView;
import com.nutomic.syncthingandroid.service.SyncthingService;
import com.nutomic.syncthingandroid.service.SyncthingServiceBinder;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* Holds a WebView that shows the web ui of the local syncthing instance.
*/
@ -33,16 +27,6 @@ public class WebGuiActivity extends Activity implements SyncthingService.OnWebGu
private static final String TAG = "WebGuiActivity";
/**
* File in the config folder that contains the public key.
*/
private static final String CERT_FILE = "cert.pem";
/**
* File in the config folder that contains configuration.
*/
private static final String CONFIG_FILE = "config.xml";
private WebView mWebView;
private View mLoadingView;
@ -93,11 +77,7 @@ public class WebGuiActivity extends Activity implements SyncthingService.OnWebGu
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.setWebViewClient(mWebViewClient);
// Handle first start.
File config = new File(getApplicationInfo().dataDir, CONFIG_FILE);
if (!config.exists()) {
copyDefaultConfig(config);
if (SyncthingService.isFirstStart(this)) {
TextView loadingText = (TextView) mLoadingView.findViewById(R.id.loading_text);
loadingText.setText(R.string.web_gui_creating_key);
new AlertDialog.Builder(this)
@ -150,38 +130,5 @@ public class WebGuiActivity extends Activity implements SyncthingService.OnWebGu
return super.onOptionsItemSelected(item);
}
}
/**
* Copies the default config file from res/raw/config_default.xml to config.
*
* @param config: Destination file where the default config should be written.
*/
private void copyDefaultConfig(File config) {
InputStream in = null;
FileOutputStream out = null;
try {
in = getResources().openRawResource(R.raw.config_default);
out = new FileOutputStream(config);
byte[] buff = new byte[1024];
int read = 0;
while ((read = in.read(buff)) > 0) {
out.write(buff, 0, read);
}
}
catch (IOException e) {
Log.w(TAG, "Failed to write config file", e);
config.delete();
}
finally {
try {
in.close();
out.close();
}
catch (IOException e) {
Log.w(TAG, "Failed to close stream while copying config", e);
}
}
}
}

105
src/main/java/com/nutomic/syncthingandroid/service/SyncthingService.java
View file

@ -3,6 +3,7 @@ package com.nutomic.syncthingandroid.service;
import android.app.Notification;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Environment;
@ -13,22 +14,34 @@ import android.util.Log;
import com.nutomic.syncthingandroid.R;
import com.nutomic.syncthingandroid.WebGuiActivity;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpHead;
import org.apache.http.conn.HttpHostConnectException;
import org.apache.http.impl.client.DefaultHttpClient;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
/**
* Holds the native syncthing instance and provides an API to access it.
*/
@ -54,6 +67,11 @@ public class SyncthingService extends Service {
*/
private static final long WEB_GUI_POLL_INTERVAL = 100;
/**
* File in the config folder that contains configuration.
*/
private static final String CONFIG_FILE = "config.xml";
private final SyncthingServiceBinder mBinder = new SyncthingServiceBinder(this);
/**
@ -97,6 +115,11 @@ public class SyncthingService extends Service {
private class NativeSyncthingRunnable implements Runnable {
@Override
public void run() throws NativeExecutionException {
if (isFirstStart(SyncthingService.this)) {
copyDefaultConfig();
}
updateConfig();
DataOutputStream dos = null;
InputStreamReader isr = null;
int ret = 1;
@ -214,7 +237,6 @@ public class SyncthingService extends Service {
startForeground(NOTIFICATION_ID, n);
new Thread(new NativeSyncthingRunnable()).start();
new PollWebGuiAvailableTask().execute();
}
@ -247,4 +269,81 @@ public class SyncthingService extends Service {
}
}
private File getConfigFile() {
return new File(getApplicationInfo().dataDir, CONFIG_FILE);
}
/**
* Applies changes to config after update from version 0.2.0 or earlier.
*/
private void updateConfig() {
try {
DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder();
Document d = db.parse(getConfigFile());
Element options = (Element)
d.getDocumentElement().getElementsByTagName("options").item(0);
Element globalAnnounceServer = (Element)
options.getElementsByTagName("globalAnnounceServer").item(0);
if (globalAnnounceServer.getTextContent().equals("announce.syncthing.net:22025")) {
Log.i(TAG, "Replacing globalAnnounceServer host with ip");
globalAnnounceServer.setTextContent("194.126.249.5:22025");
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
DOMSource domSource = new DOMSource(d);
StreamResult streamResult = new StreamResult(getConfigFile());
transformer.transform(domSource, streamResult);
}
}
catch (ParserConfigurationException e) {
Log.w(TAG, "Failed to parse config", e);
}
catch (IOException e) {
Log.w(TAG, "Failed to parse config", e);
}
catch (SAXException e) {
Log.w(TAG, "Failed to parse config", e);
}
catch (TransformerException e) {
Log.d(TAG, "Failed to save updated config", e);
}
}
/**
* Returns true if this service has not been started before (ie config.xml does not exist).
*/
public static boolean isFirstStart(Context context) {
return !new File(context.getApplicationInfo().dataDir, CONFIG_FILE).exists();
}
/**
* Copies the default config file from res/raw/config_default.xml to (data folder)/config.xml.
*/
private void copyDefaultConfig() {
InputStream in = null;
FileOutputStream out = null;
try {
in = getResources().openRawResource(R.raw.config_default);
out = new FileOutputStream(getConfigFile());
byte[] buff = new byte[1024];
int read = 0;
while ((read = in.read(buff)) > 0) {
out.write(buff, 0, read);
}
}
catch (IOException e) {
throw new RuntimeException("Failed to write config file", e);
}
finally {
try {
in.close();
out.close();
}
catch (IOException e) {
Log.w(TAG, "Failed to close stream while copying config", e);
}
}
}
}

2
src/main/res/raw/config_default.xml
View file

@ -4,7 +4,7 @@
</gui>
<options>
<listenAddress>:22000</listenAddress>
<globalAnnounceServer>announce.syncthing.net:22025</globalAnnounceServer>
<globalAnnounceServer>194.126.249.5:22025</globalAnnounceServer>
<globalAnnounceEnabled>true</globalAnnounceEnabled>
<localAnnounceEnabled>true</localAnnounceEnabled>
<parallelRequests>16</parallelRequests>