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rework killing all daemons to continue trying after a failure 

Before, it would quit the process on the first exception while killing.
This makes it keep on trying each daemon.
This commit is contained in:
Hans-Christoph Steiner 2015-06-08 23:38:56 -04:00
parent 73658ce3cf
commit 2bc85a4a3a
1 changed files with 34 additions and 16 deletions
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44
src/org/torproject/android/service/TorService.java
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@ -399,7 +399,7 @@ public class TorService extends Service implements TorServiceConstants, OrbotCon
{
Log.d(TAG,"Tor is stopping NOW");
shutdownTorProcess ();
killAllDaemons ();
//stop the foreground priority and make sure to remove the persistant notification
stopForeground(true);
@ -505,31 +505,49 @@ public class TorService extends Service implements TorServiceConstants, OrbotCon
}
private void shutdownTorProcess () throws Exception
{
if (conn != null)
{
private void killAllDaemons() throws CannotKillException {
if (conn != null) {
logNotice("Using control port to shutdown Tor");
try {
logNotice("sending HALT signal to Tor process");
conn.shutdownTor("HALT");
} catch (Exception e) {
} catch (IOException e) {
Log.d(TAG, "error shutting down Tor via connection", e);
}
conn = null;
}
killProcess(fileTor);
killProcess(filePolipo);
// try these separately in case one fails, then it can try the next
File cannotKillFile = null;
try {
killProcess(fileObfsclient);
} catch (IOException e) {
e.printStackTrace();
cannotKillFile = fileObfsclient;
}
try {
killProcess(fileMeekclient);
} catch (IOException e) {
e.printStackTrace();
cannotKillFile = fileMeekclient;
}
try {
killProcess(filePolipo);
} catch (IOException e) {
e.printStackTrace();
cannotKillFile = filePolipo;
}
try {
killProcess(fileTor);
} catch (IOException e) {
e.printStackTrace();
cannotKillFile = fileTor;
}
if (cannotKillFile != null)
throw new CannotKillException(cannotKillFile);
}
public class CannotKillException extends IllegalStateException {
@ -540,7 +558,7 @@ public class TorService extends Service implements TorServiceConstants, OrbotCon
}
}
private void killProcess(File fileProcBin) throws IOException {
private void killProcess(File fileProcBin) throws IOException, CannotKillException {
int procId = -1;
int killAttempts = 0;