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refactored disco cache. avoid making duplicate call. check hash

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This commit is contained in:
Daniel Gultsch 2016-02-03 10:40:02 +01:00
parent 4a1a59f0c8
commit f0798216d5
6 changed files with 116 additions and 43 deletions
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2
src/main/java/eu/siacs/conversations/Config.java
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@ -62,6 +62,8 @@ public final class Config {
public static final boolean IGNORE_ID_REWRITE_IN_MUC = true;
public static final boolean REQUEST_DISCO = true;
public static final long MILLISECONDS_IN_DAY = 24 * 60 * 60 * 1000;
public static final long MAM_MAX_CATCHUP = MILLISECONDS_IN_DAY / 2;
public static final int MAM_MAX_MESSAGES = 500;

3
src/main/java/eu/siacs/conversations/entities/Account.java
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@ -3,6 +3,7 @@ package eu.siacs.conversations.entities;
import android.content.ContentValues;
import android.database.Cursor;
import android.os.SystemClock;
import android.util.Pair;
import eu.siacs.conversations.crypto.PgpDecryptionService;
import net.java.otr4j.crypto.OtrCryptoEngineImpl;
@ -14,6 +15,7 @@ import org.json.JSONObject;
import java.security.PublicKey;
import java.security.interfaces.DSAPublicKey;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;
@ -48,6 +50,7 @@ public class Account extends AbstractEntity {
public static final int OPTION_DISABLED = 1;
public static final int OPTION_REGISTER = 2;
public static final int OPTION_USECOMPRESSION = 3;
public final HashSet<Pair<String, String>> inProgressDiscoFetches = new HashSet<>();
public boolean httpUploadAvailable() {
return xmppConnection != null && xmppConnection.getFeatures().httpUpload();

42
src/main/java/eu/siacs/conversations/entities/Presence.java
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@ -22,23 +22,31 @@ public class Presence implements Comparable {
}
protected final Status status;
protected final ServiceDiscoveryResult disco;
protected ServiceDiscoveryResult disco;
protected final String ver;
protected final String hash;
public Presence(Element show, ServiceDiscoveryResult disco) {
this.disco = disco;
private Presence(Status status, String ver, String hash) {
this.status = status;
this.ver = ver;
this.hash = hash;
}
public static Presence parse(Element show, Element caps) {
final String hash = caps == null ? null : caps.getAttribute("hash");
final String ver = caps == null ? null : caps.getAttribute("ver");
if ((show == null) || (show.getContent() == null)) {
this.status = Status.ONLINE;
return new Presence(Status.ONLINE, ver, hash);
} else if (show.getContent().equals("away")) {
this.status = Status.AWAY;
return new Presence(Status.AWAY, ver, hash);
} else if (show.getContent().equals("xa")) {
this.status = Status.XA;
return new Presence(Status.XA, ver, hash);
} else if (show.getContent().equals("chat")) {
this.status = Status.CHAT;
return new Presence(Status.CHAT, ver, hash);
} else if (show.getContent().equals("dnd")) {
this.status = Status.DND;
return new Presence(Status.DND, ver, hash);
} else {
this.status = Status.OFFLINE;
return new Presence(Status.OFFLINE, ver, hash);
}
}
@ -49,4 +57,20 @@ public class Presence implements Comparable {
public Status getStatus() {
return this.status;
}
public boolean hasCaps() {
return ver != null && hash != null;
}
public String getVer() {
return this.ver;
}
public String getHash() {
return this.hash;
}
public void setServiceDiscoveryResult(ServiceDiscoveryResult disco) {
this.disco = disco;
}
}

12
src/main/java/eu/siacs/conversations/entities/ServiceDiscoveryResult.java
View file

@ -128,7 +128,6 @@ public class ServiceDiscoveryResult {
}
}
}
this.ver = this.mkCapHash();
}
@ -139,15 +138,22 @@ public class ServiceDiscoveryResult {
this.ver = ver;
JSONArray identities = o.optJSONArray("identities");
if (identities != null) {
for (int i = 0; i < identities.length(); i++) {
this.identities.add(new Identity(identities.getJSONObject(i)));
}
}
JSONArray features = o.optJSONArray("features");
if (features != null) {
for (int i = 0; i < features.length(); i++) {
this.features.add(features.getString(i));
}
}
}
public String getVer() {
return new String(Base64.encode(this.ver, Base64.DEFAULT)).trim();
}
public ServiceDiscoveryResult(Cursor cursor) throws JSONException {
this(
@ -235,7 +241,7 @@ public class ServiceDiscoveryResult {
public ContentValues getContentValues() {
final ContentValues values = new ContentValues();
values.put(HASH, this.hash);
values.put(VER, new String(Base64.encode(this.ver, Base64.DEFAULT)).trim());
values.put(VER, getVer());
values.put(RESULT, this.toJSON().toString());
return values;
}

33
src/main/java/eu/siacs/conversations/parser/PresenceParser.java
View file

@ -170,7 +170,7 @@ public class PresenceParser extends AbstractParser implements
final String type = packet.getAttribute("type");
final Contact contact = account.getRoster().getContact(from);
if (type == null) {
final String presence = from.isBareJid() ? "" : from.getResourcepart();
final String resource = from.isBareJid() ? "" : from.getResourcepart();
contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
if (avatar != null && !contact.isSelf()) {
@ -187,31 +187,12 @@ public class PresenceParser extends AbstractParser implements
}
int sizeBefore = contact.getPresences().size();
ServiceDiscoveryResult disco = null;
Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
if (caps != null) {
disco = mXmppConnectionService.databaseBackend.
findDiscoveryResult(caps.getAttribute("hash"), caps.getAttribute("ver"));
}
if (disco != null || caps == null) {
contact.updatePresence(presence, new Presence(packet.findChild("show"), disco));
} else {
IqPacket request = new IqPacket(IqPacket.TYPE.GET);
request.setTo(from);
request.query("http://jabber.org/protocol/disco#info");
mXmppConnectionService.sendIqPacket(account, request, new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account, IqPacket discoPacket) {
if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
contact.updatePresence(presence, new Presence(packet.findChild("show"), disco));
mXmppConnectionService.databaseBackend.insertDiscoveryResult(disco);
}
}
});
final Element show = packet.findChild("show");
final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
final Presence presence = Presence.parse(show, caps);
contact.updatePresence(resource, presence);
if (presence.hasCaps() && Config.REQUEST_DISCO) {
mXmppConnectionService.fetchCaps(account, from, presence);
}
PgpEngine pgp = mXmppConnectionService.getPgpEngine();

57
src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
View file

@ -74,6 +74,8 @@ import eu.siacs.conversations.entities.MucOptions;
import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
import eu.siacs.conversations.entities.Presence;
import eu.siacs.conversations.entities.Presences;
import eu.siacs.conversations.entities.Roster;
import eu.siacs.conversations.entities.ServiceDiscoveryResult;
import eu.siacs.conversations.entities.Transferable;
import eu.siacs.conversations.entities.TransferablePlaceholder;
import eu.siacs.conversations.generator.IqGenerator;
@ -245,6 +247,7 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
private OnKeyStatusUpdated mOnKeyStatusUpdated = null;
private int keyStatusUpdatedListenerCount = 0;
private SecureRandom mRandom;
private LruCache<Pair<String,String>,ServiceDiscoveryResult> discoCache = new LruCache<>(20);
private final OnBindListener mOnBindListener = new OnBindListener() {
@Override
@ -2963,6 +2966,60 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
}
}
private ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String,String> key) {
ServiceDiscoveryResult result = discoCache.get(key);
if (result != null) {
return result;
} else {
result = databaseBackend.findDiscoveryResult(key.first, key.second);
if (result != null) {
discoCache.put(key, result);
}
return result;
}
}
public void fetchCaps(Account account, final Jid jid, final Presence presence) {
final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
if (disco != null) {
presence.setServiceDiscoveryResult(disco);
} else {
if (!account.inProgressDiscoFetches.contains(key)) {
account.inProgressDiscoFetches.add(key);
IqPacket request = new IqPacket(IqPacket.TYPE.GET);
request.setTo(jid);
request.query("http://jabber.org/protocol/disco#info");
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
sendIqPacket(account, request, new OnIqPacketReceived() {
@Override
public void onIqPacketReceived(Account account, IqPacket discoPacket) {
if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
if (presence.getVer().equals(disco.getVer())) {
databaseBackend.insertDiscoveryResult(disco);
injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
} else {
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid+" "+presence.getVer()+" vs "+disco.getVer());
}
}
account.inProgressDiscoFetches.remove(key);
}
});
}
}
}
private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
for(Contact contact : roster.getContacts()) {
for(Presence presence : contact.getPresences().getPresences().values()) {
if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
presence.setServiceDiscoveryResult(disco);
}
}
}
}
public interface OnAccountCreated {
void onAccountCreated(Account account);