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WebSocketClient.java
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WebSocketClient.java
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/*
* Copyright 2015-2017 Austin Keener & Michael Ritter & Florian Spieß
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.dv8tion.jda.core.requests;
import com.neovisionaries.ws.client.*;
import gnu.trove.iterator.TLongObjectIterator;
import gnu.trove.map.TLongObjectMap;
import net.dv8tion.jda.client.entities.impl.JDAClientImpl;
import net.dv8tion.jda.client.handle.*;
import net.dv8tion.jda.core.AccountType;
import net.dv8tion.jda.core.JDA;
import net.dv8tion.jda.core.Permission;
import net.dv8tion.jda.core.WebSocketCode;
import net.dv8tion.jda.core.audio.hooks.ConnectionListener;
import net.dv8tion.jda.core.audio.hooks.ConnectionStatus;
import net.dv8tion.jda.core.entities.Guild;
import net.dv8tion.jda.core.entities.VoiceChannel;
import net.dv8tion.jda.core.entities.impl.GuildImpl;
import net.dv8tion.jda.core.entities.impl.JDAImpl;
import net.dv8tion.jda.core.events.*;
import net.dv8tion.jda.core.handle.*;
import net.dv8tion.jda.core.managers.AudioManager;
import net.dv8tion.jda.core.managers.impl.AudioManagerImpl;
import net.dv8tion.jda.core.managers.impl.PresenceImpl;
import net.dv8tion.jda.core.utils.MiscUtil;
import net.dv8tion.jda.core.utils.SimpleLog;
import net.dv8tion.jda.core.utils.tuple.MutableTriple;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.time.OffsetDateTime;
import java.util.*;
import java.util.zip.DataFormatException;
import java.util.zip.Inflater;
public class WebSocketClient extends WebSocketAdapter implements WebSocketListener
{
public static final SimpleLog LOG = SimpleLog.getLog("JDASocket");
public static final int DISCORD_GATEWAY_VERSION = 6;
public static final int IDENTIFY_DELAY = 5;
protected final JDAImpl api;
protected final JDA.ShardInfo shardInfo;
protected final Map<String, SocketHandler> handlers = new HashMap<>();
protected final Set<String> cfRays = new HashSet<>();
protected final Set<String> traces = new HashSet<>();
protected WebSocket socket;
protected String gatewayUrl = null;
protected String sessionId = null;
protected volatile Thread keepAliveThread;
protected boolean connected;
protected volatile boolean chunkingAndSyncing = false;
protected boolean sentAuthInfo = false;
protected boolean initiating; //cache all events?
protected final List<JSONObject> cachedEvents = new LinkedList<>();
protected boolean shouldReconnect = true;
protected int reconnectTimeoutS = 2;
protected long heartbeatStartTime;
//GuildId, <TimeOfNextAttempt, isReconnect, AudioConnection>
protected final TLongObjectMap<MutableTriple<Long, Boolean, VoiceChannel>> queuedAudioConnections = MiscUtil.newLongMap();
protected final LinkedList<String> chunkSyncQueue = new LinkedList<>();
protected final LinkedList<String> ratelimitQueue = new LinkedList<>();
protected final SessionReconnectQueue reconnectQueue;
protected volatile Thread ratelimitThread = null;
protected volatile long ratelimitResetTime;
protected volatile int messagesSent;
protected volatile boolean printedRateLimitMessage = false;
protected boolean firstInit = true;
protected boolean processingReady = true;
protected boolean handleIdentifyRateLimit = false;
public WebSocketClient(JDAImpl api, SessionReconnectQueue reconnectQueue)
{
this.api = api;
this.shardInfo = api.getShardInfo();
this.shouldReconnect = api.isAutoReconnect();
this.reconnectQueue = reconnectQueue;
setupHandlers();
setupSendingThread();
connect();
}
public Set<String> getCfRays()
{
return cfRays;
}
public Set<String> getTraces()
{
return traces;
}
protected void updateTraces(JSONArray arr, String type, int opCode)
{
final String msg = String.format("Received a _trace for %s (OP: %d) with %s", type, opCode, arr);
WebSocketClient.LOG.debug(msg);
traces.clear();
for (Object o : arr)
traces.add(String.valueOf(o));
}
public void setAutoReconnect(boolean reconnect)
{
this.shouldReconnect = reconnect;
}
public boolean isConnected()
{
return connected;
}
public void ready()
{
if (initiating)
{
initiating = false;
processingReady = false;
if (firstInit)
{
firstInit = false;
JDAImpl.LOG.info("Finished Loading!");
if (api.getGuilds().size() >= 2500) //Show large warning when connected to >2500 guilds
{
JDAImpl.LOG.warn(" __ __ _ ___ _ _ ___ _ _ ___ _ ");
JDAImpl.LOG.warn(" \\ \\ / //_\\ | _ \\| \\| ||_ _|| \\| | / __|| |");
JDAImpl.LOG.warn(" \\ \\/\\/ // _ \\ | /| .` | | | | .` || (_ ||_|");
JDAImpl.LOG.warn(" \\_/\\_//_/ \\_\\|_|_\\|_|\\_||___||_|\\_| \\___|(_)");
JDAImpl.LOG.warn("You're running a session with over 2500 connected");
JDAImpl.LOG.warn("guilds. You should shard the connection in order");
JDAImpl.LOG.warn("to split the load or things like resuming");
JDAImpl.LOG.warn("connection might not work as expected.");
JDAImpl.LOG.warn("For more info see https://git.io/vrFWP");
}
api.getEventManager().handle(new ReadyEvent(api, api.getResponseTotal()));
}
else
{
updateAudioManagerReferences();
JDAImpl.LOG.info("Finished (Re)Loading!");
api.getEventManager().handle(new ReconnectedEvent(api, api.getResponseTotal()));
}
}
else
{
JDAImpl.LOG.info("Successfully resumed Session!");
api.getEventManager().handle(new ResumedEvent(api, api.getResponseTotal()));
}
api.setStatus(JDA.Status.CONNECTED);
LOG.debug("Resending " + cachedEvents.size() + " cached events...");
handle(cachedEvents);
LOG.debug("Sending of cached events finished.");
cachedEvents.clear();
}
public boolean isReady()
{
return !initiating;
}
public void handle(List<JSONObject> events)
{
events.forEach(this::handleEvent);
}
public void send(String message)
{
ratelimitQueue.addLast(message);
}
public void chunkOrSyncRequest(JSONObject request)
{
chunkSyncQueue.addLast(request.toString());
}
private boolean send(String message, boolean skipQueue)
{
if (!connected)
return false;
long now = System.currentTimeMillis();
if (this.ratelimitResetTime <= now)
{
this.messagesSent = 0;
this.ratelimitResetTime = now + 60000;//60 seconds
this.printedRateLimitMessage = false;
}
//Allows 115 messages to be sent before limiting.
if (this.messagesSent <= 115 || (skipQueue && this.messagesSent <= 119)) //technically we could go to 120, but we aren't going to chance it
{
LOG.trace("<- " + message);
socket.sendText(message);
this.messagesSent++;
return true;
}
else
{
if (!printedRateLimitMessage)
{
LOG.warn("Hit the WebSocket RateLimit! If you see this message a lot then you might need to talk to DV8FromTheWorld.");
printedRateLimitMessage = true;
}
return false;
}
}
private void setupSendingThread()
{
ratelimitThread = new Thread(() ->
{
boolean needRatelimit;
boolean attemptedToSend;
while (!Thread.currentThread().isInterrupted())
{
try
{
//Make sure that we don't send any packets before sending auth info.
if (!sentAuthInfo)
{
Thread.sleep(500);
continue;
}
attemptedToSend = false;
needRatelimit = false;
MutableTriple<Long, Boolean, VoiceChannel> audioRequest = getNextAudioConnectRequest();
String chunkOrSyncRequest = chunkSyncQueue.peekFirst();
if (chunkOrSyncRequest != null)
{
needRatelimit = !send(chunkOrSyncRequest, false);
if (!needRatelimit)
chunkSyncQueue.removeFirst();
attemptedToSend = true;
}
else if (audioRequest != null)
{
VoiceChannel channel = audioRequest.getRight();
boolean isReconnect = audioRequest.getMiddle();
AudioManager audioManager = channel.getGuild().getAudioManager();
JSONObject packet;
if (isReconnect)
{
packet = new JSONObject()
.put("op", WebSocketCode.VOICE_STATE)
.put("d", new JSONObject()
.put("guild_id", channel.getGuild().getId())
.put("channel_id", JSONObject.NULL)
.put("self_mute", false)
.put("self_deaf", false));
audioRequest.setMiddle(false);
}
else
{
packet = new JSONObject()
.put("op", WebSocketCode.VOICE_STATE)
.put("d", new JSONObject()
.put("guild_id", channel.getGuild().getId())
.put("channel_id", channel.getId())
.put("self_mute", audioManager.isSelfMuted())
.put("self_deaf", audioManager.isSelfDeafened()));
}
needRatelimit = !send(packet.toString(), false);
if (!needRatelimit)
{
//If we didn't get RateLimited, Next allowed connect request will be 2 seconds from now
audioRequest.setLeft(System.currentTimeMillis() + 2000);
//If the connection is already established, then the packet just sent
// was a move channel packet, thus, it won't trigger the removal from
// queuedAudioConnections in VoiceServerUpdateHandler because we won't receive
// that event just for a move, so we remove it here after successfully sending.
if (audioManager.isConnected() && !isReconnect)
queuedAudioConnections.remove(channel.getGuild().getIdLong());
}
attemptedToSend = true;
}
else
{
String message = ratelimitQueue.peekFirst();
if (message != null)
{
needRatelimit = !send(message, false);
if (!needRatelimit)
ratelimitQueue.removeFirst();
attemptedToSend = true;
}
}
if (needRatelimit || !attemptedToSend)
Thread.sleep(1000);
}
catch (InterruptedException ignored)
{
LOG.debug("Main WS send thread interrupted. Most likely JDA is disconnecting the websocket.");
break;
}
}
});
ratelimitThread.setUncaughtExceptionHandler((thread, throwable) ->
{
handleCallbackError(socket, throwable);
setupSendingThread();
});
ratelimitThread.setName(api.getIdentifierString() + " MainWS-Sending Thread");
ratelimitThread.start();
}
public void close()
{
socket.sendClose(1000);
}
public void close(int code)
{
socket.sendClose(code);
}
public void close(int code, String reason)
{
socket.sendClose(code, reason);
}
/*
### Start Internal methods ###
*/
protected void connect()
{
if (api.getStatus() != JDA.Status.ATTEMPTING_TO_RECONNECT)
api.setStatus(JDA.Status.CONNECTING_TO_WEBSOCKET);
initiating = true;
try
{
if (gatewayUrl == null)
{
gatewayUrl = getGateway();
if (gatewayUrl == null)
{
throw new RuntimeException("Could not fetch WS-Gateway!");
}
}
socket = api.getWebSocketFactory()
.createSocket(gatewayUrl)
.addHeader("Accept-Encoding", "gzip")
.addListener(this);
socket.connect();
}
catch (IOException | WebSocketException e)
{
//Completely fail here. We couldn't make the connection.
throw new IllegalStateException(e);
}
}
protected String getGateway()
{
try
{
RestAction<String> gateway = new RestAction<String>(api, Route.Misc.GATEWAY.compile())
{
@Override
protected void handleResponse(Response response, Request<String> request)
{
try
{
if (response.isOk())
request.onSuccess(response.getObject().getString("url"));
else
request.onFailure(new Exception("Failed to get gateway url"));
}
catch (Exception e)
{
request.onFailure(e);
}
}
};
return gateway.complete(false) + "?encoding=json&v=" + DISCORD_GATEWAY_VERSION;
}
catch (Exception ex)
{
return null;
}
}
@Override
public void onConnected(WebSocket websocket, Map<String, List<String>> headers)
{
api.setStatus(JDA.Status.LOADING_SUBSYSTEMS);
LOG.info("Connected to WebSocket");
if (headers.containsKey("cf-ray"))
{
List<String> values = headers.get("cf-ray");
if (!values.isEmpty())
{
String ray = values.get(0);
cfRays.add(ray);
LOG.debug("Received new CF-RAY: " + ray);
}
}
connected = true;
reconnectTimeoutS = 2;
messagesSent = 0;
ratelimitResetTime = System.currentTimeMillis() + 60000;
if (sessionId == null)
sendIdentify();
else
sendResume();
}
@Override
public void onDisconnected(WebSocket websocket, WebSocketFrame serverCloseFrame, WebSocketFrame clientCloseFrame, boolean closedByServer)
{
sentAuthInfo = false;
connected = false;
api.setStatus(JDA.Status.DISCONNECTED);
CloseCode closeCode = null;
int rawCloseCode = 1000;
if (keepAliveThread != null)
{
keepAliveThread.interrupt();
keepAliveThread = null;
}
if (serverCloseFrame != null)
{
rawCloseCode = serverCloseFrame.getCloseCode();
closeCode = CloseCode.from(rawCloseCode);
if (closeCode == CloseCode.RATE_LIMITED)
LOG.fatal("WebSocket connection closed due to ratelimit! Sent more than 120 websocket messages in under 60 seconds!");
else if (closeCode != null)
LOG.debug("WebSocket connection closed with code " + closeCode);
else
LOG.warn("WebSocket connection closed with unknown meaning for close-code " + rawCloseCode);
}
// null is considered -reconnectable- as we do not know the close-code meaning
boolean closeCodeIsReconnect = closeCode == null || closeCode.isReconnect();
if (!shouldReconnect || !closeCodeIsReconnect) //we should not reconnect
{
if (ratelimitThread != null)
ratelimitThread.interrupt();
if (!closeCodeIsReconnect)
{
//it is possible that a token can be invalidated due to too many reconnect attempts
//or that a bot reached a new shard minimum and cannot connect with the current settings
//if that is the case we have to drop our connection and inform the user with a fatal error message
LOG.fatal("WebSocket connection was closed and cannot be recovered due to identification issues");
LOG.fatal(closeCode);
}
api.setStatus(JDA.Status.SHUTDOWN);
api.getEventManager().handle(new ShutdownEvent(api, OffsetDateTime.now(), rawCloseCode));
}
else
{
if (rawCloseCode == 1000)
invalidate(); // 1000 means our session is dropped so we cannot resume
api.getEventManager().handle(new DisconnectEvent(api, serverCloseFrame, clientCloseFrame, closedByServer, OffsetDateTime.now()));
if (sessionId == null && reconnectQueue != null)
queueReconnect();
else
reconnect();
}
}
protected void queueReconnect()
{
if (!handleIdentifyRateLimit)
LOG.warn("Got disconnected from WebSocket (Internet?!)... Appending session to reconnect queue");
try
{
api.setStatus(JDA.Status.RECONNECT_QUEUED);
reconnectQueue.appendSession(this);
}
catch (IllegalStateException ex)
{
LOG.fatal("Reconnect queue rejected session. Shutting down...");
api.setStatus(JDA.Status.SHUTDOWN);
api.getEventManager().handle(
new ShutdownEvent(api, OffsetDateTime.now(), 1006));
}
}
protected void reconnect()
{
reconnect(false, true);
}
//callFromQueue - whether this was in SessionReconnectQueue and got polled
//shouldHandleIdentify - whether SessionReconnectQueue already handled an IDENTIFY rate limit for this session
protected void reconnect(boolean callFromQueue, boolean shouldHandleIdentify)
{
if (!handleIdentifyRateLimit)
{
if (callFromQueue)
LOG.warn("Queue is attempting to reconnect a shard..." + (shardInfo != null ? " Shard: " + shardInfo.getShardString() : ""));
else
LOG.warn("Got disconnected from WebSocket (Internet?!)...");
LOG.warn("Attempting to reconnect in " + reconnectTimeoutS + "s");
}
while(shouldReconnect)
{
try
{
api.setStatus(JDA.Status.WAITING_TO_RECONNECT);
if (handleIdentifyRateLimit && shouldHandleIdentify)
{
LOG.fatal("Encountered IDENTIFY (OP " + WebSocketCode.IDENTIFY + ") Rate Limit! " +
"Waiting " + IDENTIFY_DELAY + " seconds before trying again!");
Thread.sleep(IDENTIFY_DELAY * 1000);
}
else
{
Thread.sleep(reconnectTimeoutS * 1000);
}
handleIdentifyRateLimit = false;
api.setStatus(JDA.Status.ATTEMPTING_TO_RECONNECT);
}
catch(InterruptedException ignored) {}
LOG.warn("Attempting to reconnect!");
try
{
connect();
break;
}
catch (RuntimeException ex)
{
reconnectTimeoutS = Math.min(reconnectTimeoutS << 1, api.getMaxReconnectDelay());
LOG.warn("Reconnect failed! Next attempt in " + reconnectTimeoutS + "s");
}
}
}
@Override
public void onTextMessage(WebSocket websocket, String message)
{
JSONObject content = new JSONObject(message);
int opCode = content.getInt("op");
if (!content.isNull("s"))
{
api.setResponseTotal(content.getInt("s"));
}
switch (opCode)
{
case WebSocketCode.DISPATCH:
handleEvent(content);
break;
case WebSocketCode.HEARTBEAT:
LOG.debug("Got Keep-Alive request (OP 1). Sending response...");
sendKeepAlive();
break;
case WebSocketCode.RECONNECT:
LOG.debug("Got Reconnect request (OP 7). Closing connection now...");
close();
break;
case WebSocketCode.INVALIDATE_SESSION:
LOG.debug("Got Invalidate request (OP 9). Invalidating...");
final boolean isResume = content.getBoolean("d");
// When d: true we can wait a bit and then try to resume again
//sending 4000 to not drop session
int closeCode = isResume ? 4000 : 1000;
if (isResume)
LOG.debug("Session can be recovered... Closing and sending new RESUME request");
else if (!handleIdentifyRateLimit) // this can also mean we got rate limited in IDENTIFY (no need to invalidate then)
invalidate();
close(closeCode, "INVALIDATE_SESSION");
break;
case WebSocketCode.HELLO:
LOG.debug("Got HELLO packet (OP 10). Initializing keep-alive.");
final JSONObject data = content.getJSONObject("d");
setupKeepAlive(data.getLong("heartbeat_interval"));
if (!data.isNull("_trace"))
updateTraces(data.getJSONArray("_trace"), "HELLO", WebSocketCode.HELLO);
break;
case WebSocketCode.HEARTBEAT_ACK:
LOG.trace("Got Heartbeat Ack (OP 11).");
api.setPing(System.currentTimeMillis() - heartbeatStartTime);
break;
default:
LOG.debug("Got unknown op-code: " + opCode + " with content: " + message);
}
}
protected void setupKeepAlive(long timeout)
{
keepAliveThread = new Thread(() ->
{
while (connected)
{
try
{
sendKeepAlive();
//Sleep for heartbeat interval
Thread.sleep(timeout);
}
catch (InterruptedException ex)
{
//connection got cut... terminating keepAliveThread
break;
}
}
});
keepAliveThread.setUncaughtExceptionHandler((thread, throwable) ->
{
handleCallbackError(socket, throwable);
setupKeepAlive(timeout);
});
keepAliveThread.setName(api.getIdentifierString() + " MainWS-KeepAlive Thread");
keepAliveThread.setPriority(Thread.MAX_PRIORITY);
keepAliveThread.setDaemon(true);
keepAliveThread.start();
}
protected void sendKeepAlive()
{
String keepAlivePacket =
new JSONObject()
.put("op", WebSocketCode.HEARTBEAT)
.put("d", api.getResponseTotal()
).toString();
if (!send(keepAlivePacket, true))
ratelimitQueue.addLast(keepAlivePacket);
heartbeatStartTime = System.currentTimeMillis();
}
protected void sendIdentify()
{
LOG.debug("Sending Identify-packet...");
PresenceImpl presenceObj = (PresenceImpl) api.getPresence();
JSONObject connectionProperties = new JSONObject()
.put("$os", System.getProperty("os.name"))
.put("$browser", "JDA")
.put("$device", "JDA")
.put("$referring_domain", "")
.put("$referrer", "");
JSONObject payload = new JSONObject()
.put("presence", presenceObj.getFullPresence())
.put("token", getToken())
.put("properties", connectionProperties)
.put("v", DISCORD_GATEWAY_VERSION)
.put("large_threshold", 250)
//Used to make the READY event be given
// as compressed binary data when over a certain size. TY @ShadowLordAlpha
.put("compress", true);
JSONObject identify = new JSONObject()
.put("op", WebSocketCode.IDENTIFY)
.put("d", payload);
if (shardInfo != null)
{
payload
.put("shard", new JSONArray()
.put(shardInfo.getShardId())
.put(shardInfo.getShardTotal()));
}
send(identify.toString(), true);
handleIdentifyRateLimit = true;
sentAuthInfo = true;
}
protected void sendResume()
{
LOG.debug("Sending Resume-packet...");
JSONObject resume = new JSONObject()
.put("op", WebSocketCode.RESUME)
.put("d", new JSONObject()
.put("session_id", sessionId)
.put("token", getToken())
.put("seq", api.getResponseTotal()));
send(resume.toString(), true);
sentAuthInfo = true;
}
protected void invalidate()
{
sessionId = null;
chunkingAndSyncing = false;
sentAuthInfo = false;
api.getTextChannelMap().clear();
api.getVoiceChannelMap().clear();
api.getGuildMap().clear();
api.getUserMap().clear();
api.getPrivateChannelMap().clear();
api.getFakeUserMap().clear();
api.getFakePrivateChannelMap().clear();
api.getEntityBuilder().clearCache();
api.getEventCache().clear();
api.getGuildLock().clear();
this.<ReadyHandler>getHandler("READY").clearCache();
this.<GuildMembersChunkHandler>getHandler("GUILD_MEMBERS_CHUNK").clearCache();
if (api.getAccountType() == AccountType.CLIENT)
{
JDAClientImpl client = (JDAClientImpl) api.asClient();
client.getRelationshipMap().clear();
client.getGroupMap().clear();
client.getCallUserMap().clear();
}
}
protected void updateAudioManagerReferences()
{
final TLongObjectMap<AudioManagerImpl> managerMap = api.getAudioManagerMap();
if (managerMap.size() > 0)
LOG.trace("Updating AudioManager references");
synchronized (managerMap)
{
for (TLongObjectIterator<AudioManagerImpl> it = managerMap.iterator(); it.hasNext(); )
{
it.advance();
final long guildId = it.key();
final AudioManagerImpl mng = it.value();
ConnectionListener listener = mng.getConnectionListener();
GuildImpl guild = (GuildImpl) api.getGuildById(guildId);
if (guild == null)
{
//We no longer have access to the guild that this audio manager was for. Set the value to null.
queuedAudioConnections.remove(guildId);
if (listener != null)
listener.onStatusChange(ConnectionStatus.DISCONNECTED_REMOVED_FROM_GUILD);
it.remove();
}
else
{
final AudioManagerImpl newMng = new AudioManagerImpl(guild);
newMng.setSelfMuted(mng.isSelfMuted());
newMng.setSelfDeafened(mng.isSelfDeafened());
newMng.setQueueTimeout(mng.getConnectTimeout());
newMng.setSendingHandler(mng.getSendingHandler());
newMng.setReceivingHandler(mng.getReceiveHandler());
newMng.setConnectionListener(listener);
newMng.setAutoReconnect(mng.isAutoReconnect());
if (mng.isConnected() || mng.isAttemptingToConnect())
{
final long channelId = mng.isConnected()
? mng.getConnectedChannel().getIdLong()
: mng.getQueuedAudioConnection().getIdLong();
final VoiceChannel channel = api.getVoiceChannelById(channelId);
if (channel != null)
{
if (mng.isConnected())
mng.closeAudioConnection(ConnectionStatus.ERROR_CANNOT_RESUME);
//closing old connection in order to reconnect later
newMng.setQueuedAudioConnection(channel);
}
else
{
//The voice channel is not cached. It was probably deleted.
queuedAudioConnections.remove(guildId);
if (listener != null)
listener.onStatusChange(ConnectionStatus.DISCONNECTED_CHANNEL_DELETED);
}
}
it.setValue(newMng);
}
}
}
}
protected String getToken()
{
if (api.getAccountType() == AccountType.BOT)
return api.getToken().substring("Bot ".length());
return api.getToken();
}
protected void handleEvent(JSONObject raw)
{
String type = raw.getString("t");
long responseTotal = api.getResponseTotal();
if (type.equals("GUILD_MEMBER_ADD"))
((GuildMembersChunkHandler) getHandler("GUILD_MEMBERS_CHUNK")).modifyExpectedGuildMember(raw.getJSONObject("d").getLong("guild_id"), 1);
if (type.equals("GUILD_MEMBER_REMOVE"))
((GuildMembersChunkHandler) getHandler("GUILD_MEMBERS_CHUNK")).modifyExpectedGuildMember(raw.getJSONObject("d").getLong("guild_id"), -1);
//If initiating, only allows READY, RESUMED, GUILD_MEMBERS_CHUNK, GUILD_SYNC, and GUILD_CREATE through.
// If we are currently chunking, we don't allow GUILD_CREATE through anymore.
if (initiating && !(type.equals("READY")
|| type.equals("GUILD_MEMBERS_CHUNK")
|| type.equals("RESUMED")
|| type.equals("GUILD_SYNC")
|| (!chunkingAndSyncing && type.equals("GUILD_CREATE"))))
{
//If we are currently GuildStreaming, and we get a GUILD_DELETE informing us that a Guild is unavailable
// convert it to a GUILD_CREATE for handling.
JSONObject content = raw.getJSONObject("d");
if (!chunkingAndSyncing && type.equals("GUILD_DELETE") && content.has("unavailable") && content.getBoolean("unavailable"))
{
type = "GUILD_CREATE";
raw.put("t", "GUILD_CREATE")
.put("jda-field","This event was originally a GUILD_DELETE but was converted to GUILD_CREATE for WS init Guild streaming");
}
else
{
LOG.debug("Caching " + type + " event during init!");
cachedEvents.add(raw);
return;
}
}
//
// // Needs special handling due to content of "d" being an array
// if(type.equals("PRESENCE_REPLACE"))
// {
// JSONArray presences = raw.getJSONArray("d");
// LOG.trace(String.format("%s -> %s", type, presences.toString()));
// PresenceUpdateHandler handler = new PresenceUpdateHandler(api, responseTotal);
// for (int i = 0; i < presences.length(); i++)
// {
// JSONObject presence = presences.getJSONObject(i);
// handler.handle(presence);
// }
// return;
// }
JSONObject content = raw.getJSONObject("d");
LOG.trace(String.format("%s -> %s", type, content.toString()));
try
{
switch (type)
{
//INIT types
case "READY":
//LOG.debug(String.format("%s -> %s", type, content.toString())); already logged on trace level
processingReady = true;
handleIdentifyRateLimit = false;
sessionId = content.getString("session_id");
if (!content.isNull("_trace"))
updateTraces(content.getJSONArray("_trace"), "READY", WebSocketCode.DISPATCH);
handlers.get("READY").handle(responseTotal, raw);
break;
case "RESUMED":
if (!processingReady)
{
initiating = false;
ready();
}
if (!content.isNull("_trace"))
updateTraces(content.getJSONArray("_trace"), "RESUMED", WebSocketCode.DISPATCH);
break;
default:
SocketHandler handler = handlers.get(type);
if (handler != null)
handler.handle(responseTotal, raw);
else
LOG.debug("Unrecognized event:\n" + raw);
}
}
catch (JSONException ex)
{
LOG.warn("Got an unexpected Json-parse error. Please redirect following message to the devs:\n\t"
+ ex.getMessage() + "\n\t" + type + " -> " + content);
LOG.log(ex);
}
catch (Exception ex)
{
LOG.log(ex);
}
}
@Override
public void onBinaryMessage(WebSocket websocket, byte[] binary) throws UnsupportedEncodingException, DataFormatException
{
//Thanks to ShadowLordAlpha for code and debugging.
//Get the compressed message and inflate it
StringBuilder builder = new StringBuilder();
Inflater decompresser = new Inflater();
decompresser.setInput(binary, 0, binary.length);
byte[] result = new byte[128];
while(!decompresser.finished())
{
int resultLength = decompresser.inflate(result);
builder.append(new String(result, 0, resultLength, "UTF-8"));
}
decompresser.end();
// send the inflated message to the TextMessage method
onTextMessage(websocket, builder.toString());
}
@Override
public void onUnexpectedError(WebSocket websocket, WebSocketException cause) throws Exception
{
handleCallbackError(websocket, cause);
}
@Override
public void handleCallbackError(WebSocket websocket, Throwable cause)
{
LOG.log(cause);
api.getEventManager().handle(new ExceptionEvent(api, cause, true));
}
@Override
public void onThreadCreated(WebSocket websocket, ThreadType threadType, Thread thread) throws Exception
{
String identifier = api.getIdentifierString();
switch (threadType)
{
case CONNECT_THREAD:
thread.setName(identifier + " MainWS-ConnectThread");
break;
case FINISH_THREAD:
thread.setName(identifier + " MainWS-FinishThread");
break;
case READING_THREAD:
thread.setName(identifier + " MainWS-ReadThread");
break;
case WRITING_THREAD:
thread.setName(identifier + " MainWS-WriteThread");
break;
default:
thread.setName(identifier + " MainWS-" + threadType);
}
}
public void setChunkingAndSyncing(boolean active)
{
chunkingAndSyncing = active;
}
public void queueAudioConnect(VoiceChannel channel, boolean isReconnect)
{
queuedAudioConnections.put(channel.getGuild().getIdLong(), MutableTriple.of(System.currentTimeMillis(), isReconnect, channel));
}
public TLongObjectMap<MutableTriple<Long, Boolean, VoiceChannel>> getQueuedAudioConnectionMap()
{
return queuedAudioConnections;
}
protected MutableTriple<Long, Boolean, VoiceChannel> getNextAudioConnectRequest()
{
//Don't try to setup audio connections before JDA has finished loading.
if (!isReady())
return null;
synchronized (queuedAudioConnections)
{
long now = System.currentTimeMillis();
TLongObjectIterator<MutableTriple<Long, Boolean, VoiceChannel>> it = queuedAudioConnections.iterator();
while (it.hasNext())
{
it.advance();
MutableTriple<Long, Boolean, VoiceChannel> audioRequest = it.value();
if (audioRequest.getLeft() < now)
{
VoiceChannel channel = audioRequest.getRight();
Guild guild = channel.getGuild();
ConnectionListener listener = guild.getAudioManager().getConnectionListener();
Guild connGuild = api.getGuildById(guild.getIdLong());
if (connGuild == null)
{
it.remove();
if (listener != null)
listener.onStatusChange(ConnectionStatus.DISCONNECTED_REMOVED_FROM_GUILD);
continue;
}