move package name
This commit is contained in:
nkzawa
876
src/main/java/io/socket/engineio/client/Socket.java
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876
src/main/java/io/socket/engineio/client/Socket.java
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@@ -0,0 +1,876 @@
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package io.socket.engineio.client;
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import io.socket.emitter.Emitter;
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import io.socket.engineio.client.transports.Polling;
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import io.socket.engineio.client.transports.PollingXHR;
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import io.socket.engineio.client.transports.WebSocket;
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import io.socket.engineio.parser.Packet;
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import io.socket.engineio.parser.Parser;
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import io.socket.parseqs.ParseQS;
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import io.socket.thread.EventThread;
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import org.json.JSONException;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.SSLContext;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.*;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Future;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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import java.util.logging.Logger;
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/**
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* The socket class for Event.IO Client.
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*
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* @see <a href="https://github.com/LearnBoost/engine.io-client">https://github.com/LearnBoost/engine.io-client</a>
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*/
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public class Socket extends Emitter {
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private static final Logger logger = Logger.getLogger(Socket.class.getName());
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private enum ReadyState {
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OPENING, OPEN, CLOSING, CLOSED;
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@Override
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public String toString() {
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return super.toString().toLowerCase();
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}
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}
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/**
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* Called on successful connection.
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*/
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public static final String EVENT_OPEN = "open";
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/**
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* Called on disconnection.
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*/
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public static final String EVENT_CLOSE = "close";
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/**
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* Called when data is received from the server.
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*/
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public static final String EVENT_MESSAGE = "message";
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/**
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* Called when an error occurs.
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*/
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public static final String EVENT_ERROR = "error";
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public static final String EVENT_UPGRADE_ERROR = "upgradeError";
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/**
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* Called on completing a buffer flush.
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*/
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public static final String EVENT_FLUSH = "flush";
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/**
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* Called after `drain` event of transport if writeBuffer is empty.
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*/
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public static final String EVENT_DRAIN = "drain";
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public static final String EVENT_HANDSHAKE = "handshake";
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public static final String EVENT_UPGRADING = "upgrading";
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public static final String EVENT_UPGRADE = "upgrade";
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public static final String EVENT_PACKET = "packet";
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public static final String EVENT_PACKET_CREATE = "packetCreate";
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public static final String EVENT_HEARTBEAT = "heartbeat";
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public static final String EVENT_DATA = "data";
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/**
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* Called on a new transport is created.
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*/
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public static final String EVENT_TRANSPORT = "transport";
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private static final Runnable noop = new Runnable() {
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@Override
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public void run() {}
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};
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/**
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* The protocol version.
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*/
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public static final int protocol = Parser.protocol;
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private static boolean priorWebsocketSuccess = false;
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private static SSLContext defaultSSLContext;
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private static HostnameVerifier defaultHostnameVerifier;
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private boolean secure;
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private boolean upgrade;
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private boolean timestampRequests;
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private boolean upgrading;
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private boolean rememberUpgrade;
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/*package*/ int port;
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private int policyPort;
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private int prevBufferLen;
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private long pingInterval;
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private long pingTimeout;
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private String id;
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private String hostname;
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private String path;
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private String timestampParam;
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private List<String> transports;
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private List<String> upgrades;
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private Map<String, String> query;
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/*package*/ LinkedList<Packet> writeBuffer = new LinkedList<Packet>();
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private LinkedList<Runnable> callbackBuffer = new LinkedList<Runnable>();
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/*package*/ Transport transport;
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private Future pingTimeoutTimer;
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private Future pingIntervalTimer;
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private SSLContext sslContext;
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private HostnameVerifier hostnameVerifier;
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private ReadyState readyState;
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private ScheduledExecutorService heartbeatScheduler;
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public static void setDefaultSSLContext(SSLContext sslContext) {
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defaultSSLContext = sslContext;
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}
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public static void setDefaultHostnameVerifier(HostnameVerifier hostnameVerifier) {
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defaultHostnameVerifier = hostnameVerifier;
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}
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public Socket() {
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this(new Options());
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}
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/**
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* Creates a socket.
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*
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* @param uri URI to connect.
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* @throws URISyntaxException
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*/
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public Socket(String uri) throws URISyntaxException {
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this(uri, null);
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}
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public Socket(URI uri) {
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this(uri, null);
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}
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/**
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* Creates a socket with options.
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*
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* @param uri URI to connect.
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* @param opts options for socket
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* @throws URISyntaxException
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*/
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public Socket(String uri, Options opts) throws URISyntaxException {
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this(uri == null ? null : new URI(uri), opts);
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}
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public Socket(URI uri, Options opts) {
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this(uri == null ? opts : Options.fromURI(uri, opts));
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}
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public Socket(Options opts) {
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if (opts.host != null) {
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boolean ipv6uri = opts.host.indexOf(']') != -1;
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String[] pieces = ipv6uri ? opts.host.split("]:") : opts.host.split(":");
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boolean ipv6 = (pieces.length > 2 || opts.host.indexOf("::") == -1);
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if (ipv6) {
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opts.hostname = opts.host;
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} else {
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opts.hostname = pieces[0];
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if (ipv6uri) {
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opts.hostname = opts.hostname.substring(1);
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}
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if (pieces.length > 1) {
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opts.port = Integer.parseInt(pieces[pieces.length - 1]);
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} else if (opts.port == -1) {
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// if no port is specified manually, use the protocol default
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opts.port = this.secure ? 443 : 80;
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}
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}
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}
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this.secure = opts.secure;
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this.sslContext = opts.sslContext != null ? opts.sslContext : defaultSSLContext;
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this.hostname = opts.hostname != null ? opts.hostname : "localhost";
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this.port = opts.port != 0 ? opts.port : (this.secure ? 443 : 80);
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this.query = opts.query != null ?
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ParseQS.decode(opts.query) : new HashMap<String, String>();
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this.upgrade = opts.upgrade;
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this.path = (opts.path != null ? opts.path : "/engine.io").replaceAll("/$", "") + "/";
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this.timestampParam = opts.timestampParam != null ? opts.timestampParam : "t";
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this.timestampRequests = opts.timestampRequests;
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this.transports = new ArrayList<String>(Arrays.asList(opts.transports != null ?
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opts.transports : new String[]{Polling.NAME, WebSocket.NAME}));
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this.policyPort = opts.policyPort != 0 ? opts.policyPort : 843;
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this.rememberUpgrade = opts.rememberUpgrade;
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this.hostnameVerifier = opts.hostnameVerifier != null ? opts.hostnameVerifier : defaultHostnameVerifier;
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}
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/**
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* Connects the client.
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*
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* @return a reference to to this object.
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*/
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public Socket open() {
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EventThread.exec(new Runnable() {
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@Override
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public void run() {
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String transportName;
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if (Socket.this.rememberUpgrade && Socket.priorWebsocketSuccess && Socket.this.transports.contains(WebSocket.NAME)) {
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transportName = WebSocket.NAME;
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} else if (0 == Socket.this.transports.size()) {
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// Emit error on next tick so it can be listened to
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final Socket self = Socket.this;
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EventThread.nextTick(new Runnable() {
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@Override
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public void run() {
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self.emit(Socket.EVENT_ERROR, new EngineIOException("No transports available"));
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}
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});
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return;
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} else {
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transportName = Socket.this.transports.get(0);
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}
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Socket.this.readyState = ReadyState.OPENING;
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Transport transport = Socket.this.createTransport(transportName);
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Socket.this.setTransport(transport);
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transport.open();
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}
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});
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return this;
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}
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private Transport createTransport(String name) {
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logger.fine(String.format("creating transport '%s'", name));
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Map<String, String> query = new HashMap<String, String>(this.query);
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query.put("EIO", String.valueOf(Parser.protocol));
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query.put("transport", name);
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if (this.id != null) {
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query.put("sid", this.id);
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}
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Transport.Options opts = new Transport.Options();
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opts.sslContext = this.sslContext;
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opts.hostname = this.hostname;
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opts.port = this.port;
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opts.secure = this.secure;
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opts.path = this.path;
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opts.query = query;
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opts.timestampRequests = this.timestampRequests;
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opts.timestampParam = this.timestampParam;
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opts.policyPort = this.policyPort;
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opts.socket = this;
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opts.hostnameVerifier = this.hostnameVerifier;
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Transport transport;
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if (WebSocket.NAME.equals(name)) {
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transport = new WebSocket(opts);
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} else if (Polling.NAME.equals(name)) {
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transport = new PollingXHR(opts);
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} else {
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throw new RuntimeException();
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}
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this.emit(EVENT_TRANSPORT, transport);
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return transport;
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}
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private void setTransport(Transport transport) {
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logger.fine(String.format("setting transport %s", transport.name));
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final Socket self = this;
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if (this.transport != null) {
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logger.fine(String.format("clearing existing transport %s", this.transport.name));
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this.transport.off();
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}
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this.transport = transport;
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transport.on(Transport.EVENT_DRAIN, new Listener() {
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@Override
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public void call(Object... args) {
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self.onDrain();
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}
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}).on(Transport.EVENT_PACKET, new Listener() {
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@Override
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public void call(Object... args) {
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self.onPacket(args.length > 0 ? (Packet) args[0] : null);
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}
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}).on(Transport.EVENT_ERROR, new Listener() {
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@Override
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public void call(Object... args) {
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self.onError(args.length > 0 ? (Exception) args[0] : null);
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}
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}).on(Transport.EVENT_CLOSE, new Listener() {
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@Override
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public void call(Object... args) {
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self.onClose("transport close");
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}
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});
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}
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private void probe(final String name) {
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logger.fine(String.format("probing transport '%s'", name));
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final Transport[] transport = new Transport[] {this.createTransport(name)};
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final boolean[] failed = new boolean[] {false};
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final Socket self = this;
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Socket.priorWebsocketSuccess = false;
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final Runnable[] cleanup = new Runnable[1];
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final Listener onTransportOpen = new Listener() {
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@Override
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public void call(Object... args) {
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if (failed[0]) return;
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logger.fine(String.format("probe transport '%s' opened", name));
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Packet<String> packet = new Packet<String>(Packet.PING, "probe");
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transport[0].send(new Packet[] {packet});
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transport[0].once(Transport.EVENT_PACKET, new Listener() {
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@Override
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public void call(Object... args) {
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if (failed[0]) return;
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Packet msg = (Packet)args[0];
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if (Packet.PONG.equals(msg.type) && "probe".equals(msg.data)) {
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logger.fine(String.format("probe transport '%s' pong", name));
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self.upgrading = true;
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self.emit(EVENT_UPGRADING, transport[0]);
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if (null == transport[0]) return;
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Socket.priorWebsocketSuccess = WebSocket.NAME.equals(transport[0].name);
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logger.fine(String.format("pausing current transport '%s'", self.transport.name));
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((Polling)self.transport).pause(new Runnable() {
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@Override
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public void run() {
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if (failed[0]) return;
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if (ReadyState.CLOSED == self.readyState) return;
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logger.fine("changing transport and sending upgrade packet");
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cleanup[0].run();
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self.setTransport(transport[0]);
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Packet packet = new Packet(Packet.UPGRADE);
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transport[0].send(new Packet[]{packet});
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self.emit(EVENT_UPGRADE, transport[0]);
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transport[0] = null;
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self.upgrading = false;
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self.flush();
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}
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});
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} else {
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logger.fine(String.format("probe transport '%s' failed", name));
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EngineIOException err = new EngineIOException("probe error");
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err.transport = transport[0].name;
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self.emit(EVENT_UPGRADE_ERROR, err);
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}
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}
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});
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}
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};
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final Listener freezeTransport = new Listener() {
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@Override
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public void call(Object... args) {
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if (failed[0]) return;
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failed[0] = true;
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cleanup[0].run();
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transport[0].close();
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transport[0] = null;
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}
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};
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// Handle any error that happens while probing
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final Listener onerror = new Listener() {
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@Override
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public void call(Object... args) {
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Object err = args[0];
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EngineIOException error;
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if (err instanceof Exception) {
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error = new EngineIOException("probe error", (Exception)err);
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} else if (err instanceof String) {
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error = new EngineIOException("probe error: " + (String)err);
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} else {
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error = new EngineIOException("probe error");
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}
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error.transport = transport[0].name;
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freezeTransport.call();
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logger.fine(String.format("probe transport \"%s\" failed because of error: %s", name, err));
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self.emit(EVENT_UPGRADE_ERROR, error);
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}
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};
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final Listener onTransportClose = new Listener() {
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@Override
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public void call(Object... args) {
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onerror.call("transport closed");
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}
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};
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// When the socket is closed while we're probing
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final Listener onclose = new Listener() {
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@Override
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public void call(Object... args) {
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onerror.call("socket closed");
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}
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};
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// When the socket is upgraded while we're probing
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final Listener onupgrade = new Listener() {
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@Override
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public void call(Object... args) {
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Transport to = (Transport)args[0];
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if (transport[0] != null && !to.name.equals(transport[0].name)) {
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logger.fine(String.format("'%s' works - aborting '%s'", to.name, transport[0].name));
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freezeTransport.call();
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}
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||||
}
|
||||
};
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||||
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cleanup[0] = new Runnable() {
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@Override
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public void run() {
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transport[0].off(Transport.EVENT_OPEN, onTransportOpen);
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transport[0].off(Transport.EVENT_ERROR, onerror);
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transport[0].off(Transport.EVENT_CLOSE, onTransportClose);
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self.off(EVENT_CLOSE, onclose);
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self.off(EVENT_UPGRADING, onupgrade);
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||||
}
|
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};
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||||
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transport[0].once(Transport.EVENT_OPEN, onTransportOpen);
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transport[0].once(Transport.EVENT_ERROR, onerror);
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transport[0].once(Transport.EVENT_CLOSE, onTransportClose);
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this.once(EVENT_CLOSE, onclose);
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this.once(EVENT_UPGRADING, onupgrade);
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transport[0].open();
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||||
}
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private void onOpen() {
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logger.fine("socket open");
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this.readyState = ReadyState.OPEN;
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Socket.priorWebsocketSuccess = WebSocket.NAME.equals(this.transport.name);
|
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this.emit(EVENT_OPEN);
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this.flush();
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||||
|
||||
if (this.readyState == ReadyState.OPEN && this.upgrade && this.transport instanceof Polling) {
|
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logger.fine("starting upgrade probes");
|
||||
for (String upgrade: this.upgrades) {
|
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this.probe(upgrade);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void onPacket(Packet packet) {
|
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if (this.readyState == ReadyState.OPENING || this.readyState == ReadyState.OPEN) {
|
||||
logger.fine(String.format("socket received: type '%s', data '%s'", packet.type, packet.data));
|
||||
|
||||
this.emit(EVENT_PACKET, packet);
|
||||
this.emit(EVENT_HEARTBEAT);
|
||||
|
||||
if (Packet.OPEN.equals(packet.type)) {
|
||||
try {
|
||||
this.onHandshake(new HandshakeData((String)packet.data));
|
||||
} catch (JSONException e) {
|
||||
this.emit(EVENT_ERROR, new EngineIOException(e));
|
||||
}
|
||||
} else if (Packet.PONG.equals(packet.type)) {
|
||||
this.setPing();
|
||||
} else if (Packet.ERROR.equals(packet.type)) {
|
||||
EngineIOException err = new EngineIOException("server error");
|
||||
err.code = packet.data;
|
||||
this.emit(EVENT_ERROR, err);
|
||||
} else if (Packet.MESSAGE.equals(packet.type)) {
|
||||
this.emit(EVENT_DATA, packet.data);
|
||||
this.emit(EVENT_MESSAGE, packet.data);
|
||||
}
|
||||
} else {
|
||||
logger.fine(String.format("packet received with socket readyState '%s'", this.readyState));
|
||||
}
|
||||
}
|
||||
|
||||
private void onHandshake(HandshakeData data) {
|
||||
this.emit(EVENT_HANDSHAKE, data);
|
||||
this.id = data.sid;
|
||||
this.transport.query.put("sid", data.sid);
|
||||
this.upgrades = this.filterUpgrades(Arrays.asList(data.upgrades));
|
||||
this.pingInterval = data.pingInterval;
|
||||
this.pingTimeout = data.pingTimeout;
|
||||
this.onOpen();
|
||||
// In case open handler closes socket
|
||||
if (ReadyState.CLOSED == this.readyState) return;
|
||||
this.setPing();
|
||||
|
||||
this.off(EVENT_HEARTBEAT, this.onHeartbeatAsListener);
|
||||
this.on(EVENT_HEARTBEAT, this.onHeartbeatAsListener);
|
||||
}
|
||||
|
||||
private final Listener onHeartbeatAsListener = new Listener() {
|
||||
@Override
|
||||
public void call(Object... args) {
|
||||
Socket.this.onHeartbeat(args.length > 0 ? (Long)args[0]: 0);
|
||||
}
|
||||
};
|
||||
|
||||
private void onHeartbeat(long timeout) {
|
||||
if (this.pingTimeoutTimer != null) {
|
||||
pingTimeoutTimer.cancel(false);
|
||||
}
|
||||
|
||||
if (timeout <= 0) {
|
||||
timeout = this.pingInterval + this.pingTimeout;
|
||||
}
|
||||
|
||||
final Socket self = this;
|
||||
this.pingTimeoutTimer = this.getHeartbeatScheduler().schedule(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
EventThread.exec(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
if (self.readyState == ReadyState.CLOSED) return;
|
||||
self.onClose("ping timeout");
|
||||
}
|
||||
});
|
||||
}
|
||||
}, timeout, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
|
||||
private void setPing() {
|
||||
if (this.pingIntervalTimer != null) {
|
||||
pingIntervalTimer.cancel(false);
|
||||
}
|
||||
|
||||
final Socket self = this;
|
||||
this.pingIntervalTimer = this.getHeartbeatScheduler().schedule(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
EventThread.exec(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
logger.fine(String.format("writing ping packet - expecting pong within %sms", self.pingTimeout));
|
||||
self.ping();
|
||||
self.onHeartbeat(self.pingTimeout);
|
||||
}
|
||||
});
|
||||
}
|
||||
}, this.pingInterval, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sends a ping packet.
|
||||
*/
|
||||
public void ping() {
|
||||
EventThread.exec(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
Socket.this.sendPacket(Packet.PING);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private void onDrain() {
|
||||
for (int i = 0; i < this.prevBufferLen; i++) {
|
||||
Runnable callback = this.callbackBuffer.get(i);
|
||||
if (callback != null) {
|
||||
callback.run();
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = 0; i < this.prevBufferLen; i++) {
|
||||
this.writeBuffer.poll();
|
||||
this.callbackBuffer.poll();
|
||||
}
|
||||
|
||||
this.prevBufferLen = 0;
|
||||
if (this.writeBuffer.size() == 0) {
|
||||
this.emit(EVENT_DRAIN);
|
||||
} else {
|
||||
this.flush();
|
||||
}
|
||||
}
|
||||
|
||||
private void flush() {
|
||||
if (this.readyState != ReadyState.CLOSED && this.transport.writable &&
|
||||
!this.upgrading && this.writeBuffer.size() != 0) {
|
||||
logger.fine(String.format("flushing %d packets in socket", this.writeBuffer.size()));
|
||||
this.prevBufferLen = this.writeBuffer.size();
|
||||
this.transport.send(this.writeBuffer.toArray(new Packet[this.writeBuffer.size()]));
|
||||
this.emit(EVENT_FLUSH);
|
||||
}
|
||||
}
|
||||
|
||||
public void write(String msg) {
|
||||
this.write(msg, null);
|
||||
}
|
||||
|
||||
public void write(String msg, Runnable fn) {
|
||||
this.send(msg, fn);
|
||||
}
|
||||
|
||||
public void write(byte[] msg) {
|
||||
this.write(msg, null);
|
||||
}
|
||||
|
||||
public void write(byte[] msg, Runnable fn) {
|
||||
this.send(msg, fn);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sends a message.
|
||||
*
|
||||
* @param msg
|
||||
*/
|
||||
public void send(String msg) {
|
||||
this.send(msg, null);
|
||||
}
|
||||
|
||||
public void send(byte[] msg) {
|
||||
this.send(msg, null);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sends a message.
|
||||
*
|
||||
* @param msg
|
||||
* @param fn callback to be called on drain
|
||||
*/
|
||||
public void send(final String msg, final Runnable fn) {
|
||||
EventThread.exec(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
Socket.this.sendPacket(Packet.MESSAGE, msg, fn);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
public void send(final byte[] msg, final Runnable fn) {
|
||||
EventThread.exec(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
Socket.this.sendPacket(Packet.MESSAGE, msg, fn);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private void sendPacket(String type) {
|
||||
this.sendPacket(new Packet(type), null);
|
||||
}
|
||||
|
||||
private void sendPacket(String type, String data, Runnable fn) {
|
||||
Packet<String> packet = new Packet<String>(type, data);
|
||||
sendPacket(packet, fn);
|
||||
}
|
||||
|
||||
private void sendPacket(String type, byte[] data, Runnable fn) {
|
||||
Packet<byte[]> packet = new Packet<byte[]>(type, data);
|
||||
sendPacket(packet, fn);
|
||||
}
|
||||
|
||||
private void sendPacket(Packet packet, Runnable fn) {
|
||||
if (ReadyState.CLOSING == this.readyState || ReadyState.CLOSED == this.readyState) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (fn == null) {
|
||||
// ConcurrentLinkedList does not permit `null`.
|
||||
fn = noop;
|
||||
}
|
||||
|
||||
this.emit(EVENT_PACKET_CREATE, packet);
|
||||
this.writeBuffer.offer(packet);
|
||||
this.callbackBuffer.offer(fn);
|
||||
this.flush();
|
||||
}
|
||||
|
||||
/**
|
||||
* Disconnects the client.
|
||||
*
|
||||
* @return a reference to to this object.
|
||||
*/
|
||||
public Socket close() {
|
||||
EventThread.exec(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
if (Socket.this.readyState == ReadyState.OPENING || Socket.this.readyState == ReadyState.OPEN) {
|
||||
Socket.this.readyState = ReadyState.CLOSING;
|
||||
|
||||
final Socket self = Socket.this;
|
||||
|
||||
final Runnable close = new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
self.onClose("forced close");
|
||||
logger.fine("socket closing - telling transport to close");
|
||||
self.transport.close();
|
||||
}
|
||||
};
|
||||
|
||||
final Listener[] cleanupAndClose = new Listener[1];
|
||||
cleanupAndClose[0] = new Listener() {
|
||||
@Override
|
||||
public void call(Object ...args) {
|
||||
self.off(EVENT_UPGRADE, cleanupAndClose[0]);
|
||||
self.off(EVENT_UPGRADE_ERROR, cleanupAndClose[0]);
|
||||
close.run();
|
||||
}
|
||||
};
|
||||
|
||||
final Runnable waitForUpgrade = new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
// wait for updade to finish since we can't send packets while pausing a transport
|
||||
self.once(EVENT_UPGRADE, cleanupAndClose[0]);
|
||||
self.once(EVENT_UPGRADE_ERROR, cleanupAndClose[0]);
|
||||
}
|
||||
};
|
||||
|
||||
if (Socket.this.writeBuffer.size() > 0) {
|
||||
Socket.this.once(EVENT_DRAIN, new Listener() {
|
||||
@Override
|
||||
public void call(Object... args) {
|
||||
if (Socket.this.upgrading) {
|
||||
waitForUpgrade.run();
|
||||
} else {
|
||||
close.run();
|
||||
}
|
||||
}
|
||||
});
|
||||
} else if (Socket.this.upgrading) {
|
||||
waitForUpgrade.run();
|
||||
} else {
|
||||
close.run();
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
return this;
|
||||
}
|
||||
|
||||
private void onError(Exception err) {
|
||||
logger.fine(String.format("socket error %s", err));
|
||||
Socket.priorWebsocketSuccess = false;
|
||||
this.emit(EVENT_ERROR, err);
|
||||
this.onClose("transport error", err);
|
||||
}
|
||||
|
||||
private void onClose(String reason) {
|
||||
this.onClose(reason, null);
|
||||
}
|
||||
|
||||
private void onClose(String reason, Exception desc) {
|
||||
if (ReadyState.OPENING == this.readyState || ReadyState.OPEN == this.readyState || ReadyState.CLOSING == this.readyState) {
|
||||
logger.fine(String.format("socket close with reason: %s", reason));
|
||||
final Socket self = this;
|
||||
|
||||
// clear timers
|
||||
if (this.pingIntervalTimer != null) {
|
||||
this.pingIntervalTimer.cancel(false);
|
||||
}
|
||||
if (this.pingTimeoutTimer != null) {
|
||||
this.pingTimeoutTimer.cancel(false);
|
||||
}
|
||||
if (this.heartbeatScheduler != null) {
|
||||
this.heartbeatScheduler.shutdown();
|
||||
}
|
||||
|
||||
EventThread.nextTick(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
self.writeBuffer.clear();
|
||||
self.callbackBuffer.clear();
|
||||
self.prevBufferLen = 0;
|
||||
}
|
||||
});
|
||||
|
||||
// stop event from firing again for transport
|
||||
this.transport.off(EVENT_CLOSE);
|
||||
|
||||
// ensure transport won't stay open
|
||||
this.transport.close();
|
||||
|
||||
// ignore further transport communication
|
||||
this.transport.off();
|
||||
|
||||
// set ready state
|
||||
this.readyState = ReadyState.CLOSED;
|
||||
|
||||
// clear session id
|
||||
this.id = null;
|
||||
|
||||
// emit close events
|
||||
this.emit(EVENT_CLOSE, reason, desc);
|
||||
}
|
||||
}
|
||||
|
||||
/*package*/ List<String > filterUpgrades(List<String> upgrades) {
|
||||
List<String> filteredUpgrades = new ArrayList<String>();
|
||||
for (String upgrade : upgrades) {
|
||||
if (this.transports.contains(upgrade)) {
|
||||
filteredUpgrades.add(upgrade);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
return filteredUpgrades;
|
||||
}
|
||||
|
||||
public String id() {
|
||||
return this.id;
|
||||
}
|
||||
|
||||
private ScheduledExecutorService getHeartbeatScheduler() {
|
||||
if (this.heartbeatScheduler == null || this.heartbeatScheduler.isShutdown()) {
|
||||
this.heartbeatScheduler = Executors.newSingleThreadScheduledExecutor();
|
||||
}
|
||||
return this.heartbeatScheduler;
|
||||
}
|
||||
|
||||
public static class Options extends Transport.Options {
|
||||
|
||||
/**
|
||||
* List of transport names.
|
||||
*/
|
||||
public String[] transports;
|
||||
|
||||
/**
|
||||
* Whether to upgrade the transport. Defaults to `true`.
|
||||
*/
|
||||
public boolean upgrade = true;
|
||||
|
||||
public boolean rememberUpgrade;
|
||||
public String host;
|
||||
public String query;
|
||||
|
||||
|
||||
private static Options fromURI(URI uri, Options opts) {
|
||||
if (opts == null) {
|
||||
opts = new Options();
|
||||
}
|
||||
|
||||
opts.host = uri.getHost();
|
||||
opts.secure = "https".equals(uri.getScheme()) || "wss".equals(uri.getScheme());
|
||||
opts.port = uri.getPort();
|
||||
|
||||
String query = uri.getRawQuery();
|
||||
if (query != null) {
|
||||
opts.query = query;
|
||||
}
|
||||
|
||||
return opts;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user