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