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better exception handling in XmppConnection.connect. (never return without throwing exception. use finally to release wake lock. use status.server_not_found instead of status.offline when necessary

This commit is contained in:
iNPUTmice 2014-11-18 01:48:16 +01:00
parent d2a4855a1e
commit 090e6ecf09
1 changed files with 15 additions and 39 deletions
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40
src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
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@ -20,6 +20,7 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.net.ConnectException;
import java.net.IDN;
import java.net.InetAddress;
import java.net.InetSocketAddress;
@ -158,9 +159,7 @@ public class XmppConnection implements Runnable {
Bundle result = DNSHelper.getSRVRecord(account.getServer());
ArrayList<Parcelable> values = result.getParcelableArrayList("values");
if ("timeout".equals(result.getString("error"))) {
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": dns timeout");
this.changeStatus(Account.State.OFFLINE);
return;
throw new IOException("timeout in dns");
} else if (values != null) {
int i = 0;
boolean socketError = true;
@ -200,23 +199,13 @@ public class XmppConnection implements Runnable {
}
}
if (socketError) {
this.changeStatus(Account.State.SERVER_NOT_FOUND);
if (wakeLock.isHeld()) {
try {
wakeLock.release();
} catch (final RuntimeException ignored) {
}
}
return;
throw new UnknownHostException();
}
} else if (result.containsKey("error")
&& "nosrv".equals(result.getString("error", null))) {
socket = new Socket(account.getServer().getDomainpart(), 5222);
} else {
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
+ ": timeout in DNS resolution");
changeStatus(Account.State.OFFLINE);
return;
throw new IOException("timeout in dns");
}
OutputStream out = socket.getOutputStream();
tagWriter.setOutputStream(out);
@ -230,9 +219,7 @@ public class XmppConnection implements Runnable {
processStream(nextTag);
break;
} else {
Log.d(Config.LOGTAG,
"found unexpected tag: " + nextTag.getName());
return;
throw new IOException("unknown tag on connect");
}
}
if (socket.isConnected()) {
@ -240,25 +227,15 @@ public class XmppConnection implements Runnable {
}
} catch (UnknownHostException e) {
this.changeStatus(Account.State.SERVER_NOT_FOUND);
if (wakeLock.isHeld()) {
try {
wakeLock.release();
} catch (final RuntimeException ignored) {
}
}
} catch (final ConnectException e) {
this.changeStatus(Account.State.SERVER_NOT_FOUND);
} catch (final IOException | XmlPullParserException e) {
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
this.changeStatus(Account.State.OFFLINE);
if (wakeLock.isHeld()) {
try {
wakeLock.release();
} catch (final RuntimeException ignored) {
}
}
} catch (NoSuchAlgorithmException e) {
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
this.changeStatus(Account.State.OFFLINE);
Log.d(Config.LOGTAG, "compression exception " + e.getMessage());
} finally {
if (wakeLock.isHeld()) {
try {
wakeLock.release();
@ -266,7 +243,6 @@ public class XmppConnection implements Runnable {
}
}
}
}
@Override