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Code Releases Activity

Replace "grep" with java code (fixes #887) (#1102)

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Catfriend1 2018-05-27 21:28:35 +02:00 committed by Audrius Butkevicius
parent 2e908783ff
commit 6fc81918e9
2 changed files with 75 additions and 38 deletions
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4
app/src/main/java/com/nutomic/syncthingandroid/service/Constants.java
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@ -8,6 +8,8 @@ import java.util.concurrent.TimeUnit;
public class Constants {
public static final String FILENAME_SYNCTHING_BINARY = "libsyncthing.so";
public static final String PREF_ALWAYS_RUN_IN_BACKGROUND = "always_run_in_background";
public static final String PREF_SYNC_ONLY_WIFI = "sync_only_wifi";
public static final String PREF_SYNC_ONLY_WIFI_SSIDS = "sync_only_wifi_ssids_set";
@ -81,7 +83,7 @@ public class Constants {
}
static File getSyncthingBinary(Context context) {
return new File(context.getApplicationInfo().nativeLibraryDir, "libsyncthing.so");
return new File(context.getApplicationInfo().nativeLibraryDir, FILENAME_SYNCTHING_BINARY);
}
static File getLogFile(Context context) {

95
app/src/main/java/com/nutomic/syncthingandroid/service/SyncthingRunnable.java
View file

@ -12,6 +12,7 @@ import com.google.common.base.Charsets;
import com.google.common.io.Files;
import com.nutomic.syncthingandroid.R;
import com.nutomic.syncthingandroid.SyncthingApp;
import com.nutomic.syncthingandroid.service.Constants;
import java.io.BufferedReader;
import java.io.BufferedWriter;
@ -24,7 +25,9 @@ import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
@ -208,6 +211,51 @@ public class SyncthingRunnable implements Runnable {
return mPreferences.getBoolean(Constants.PREF_USE_WAKE_LOCK, false);
}
/**
* Look for running libsyncthing.so processes and return an array
* containing the PIDs of found instances.
*/
private List<String> getSyncthingPIDs() {
List<String> libSyncthingPID = new ArrayList<String>();
Process ps = null;
DataOutputStream psOut = null;
BufferedReader br = null;
try {
ps = Runtime.getRuntime().exec((mUseRoot) ? "su" : "sh");
psOut = new DataOutputStream(ps.getOutputStream());
psOut.writeBytes("ps\n");
psOut.writeBytes("exit\n");
psOut.flush();
ps.waitFor();
br = new BufferedReader(new InputStreamReader(ps.getInputStream(), "UTF-8"));
String line;
while ((line = br.readLine()) != null) {
if (line.contains(Constants.FILENAME_SYNCTHING_BINARY)) {
String syncthingPID = line.trim().split("\\s+")[1];
Log.v(TAG, "getSyncthingPIDs: Found process PID [" + syncthingPID + "]");
libSyncthingPID.add(syncthingPID);
}
}
} catch (IOException | InterruptedException e) {
Log.w(TAG_KILL, "Failed list Syncthing processes", e);
} finally {
try {
if (br != null) {
br.close();
}
if (psOut != null) {
psOut.close();
}
} catch (IOException e) {
Log.w(TAG_KILL, "Failed close the psOut stream", e);
}
if (ps != null) {
ps.destroy();
}
}
return libSyncthingPID;
}
/**
* Look for a running libsyncthing.so process and nice its IO.
*/
@ -219,15 +267,22 @@ public class SyncthingRunnable implements Runnable {
int ret = 1;
try {
Thread.sleep(1000); // Wait a second before getting the pid
List<String> libSyncthingPID = getSyncthingPIDs();
if (libSyncthingPID.isEmpty()) {
Log.w(TAG, "niceSyncthing: Found no running instances of " + Constants.FILENAME_SYNCTHING_BINARY);
} else {
nice = Runtime.getRuntime().exec((mUseRoot) ? "su" : "sh");
niceOut = new DataOutputStream(nice.getOutputStream());
niceOut.writeBytes("set `ps | grep libsyncthing.so`\n");
niceOut.writeBytes("ionice $2 be 7\n"); // best-effort, low priority
for (String runningPID : libSyncthingPID) {
// Set best-effort, low priority using ionice.
niceOut.writeBytes("ionice " + runningPID + " be 7\n");
}
niceOut.writeBytes("exit\n");
log(nice.getErrorStream(), Log.WARN, false);
niceOut.flush();
ret = nice.waitFor();
Log.i(TAG_NICE, "ionice performed on libsyncthing.so");
Log.i(TAG_NICE, "ionice performed on " + Constants.FILENAME_SYNCTHING_BINARY);
}
} catch (IOException | InterruptedException e) {
Log.e(TAG_NICE, "Failed to execute ionice binary", e);
} finally {
@ -259,34 +314,14 @@ public class SyncthingRunnable implements Runnable {
public void killSyncthing(OnSyncthingKilled onKilledListener) {
new Thread(() -> {
for (int i = 0; i < 2; i++) {
Process ps = null;
DataOutputStream psOut = null;
try {
ps = Runtime.getRuntime().exec((mUseRoot) ? "su" : "sh");
psOut = new DataOutputStream(ps.getOutputStream());
psOut.writeBytes("ps | grep libsyncthing.so\n");
psOut.writeBytes("exit\n");
psOut.flush();
ps.waitFor();
InputStreamReader isr = new InputStreamReader(ps.getInputStream(), "UTF-8");
BufferedReader br = new BufferedReader(isr);
String id;
while ((id = br.readLine()) != null) {
id = id.trim().split("\\s+")[1];
killProcessId(id, i > 0);
}
} catch (IOException | InterruptedException e) {
Log.w(TAG_KILL, "Failed list Syncthing processes", e);
} finally {
try {
if (psOut != null)
psOut.close();
} catch (IOException e) {
Log.w(TAG_KILL, "Failed close the psOut stream", e);
}
if (ps != null) {
ps.destroy();
List<String> libSyncthingPID = getSyncthingPIDs();
if (libSyncthingPID.isEmpty()) {
Log.d(TAG, "killSyncthing: Found no more running instances of " + Constants.FILENAME_SYNCTHING_BINARY);
break;
}
for (String runningPID : libSyncthingPID) {
killProcessId(runningPID, i > 0);
}
}
onKilledListener.onKilled();