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constants

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This commit is contained in:
Naoyuki Kanezawa
2013-04-25 00:08:15 +09:00
parent a1c1370eab
commit 5bc39e7aff
7 changed files with 103 additions and 64 deletions
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47
src/main/java/com/github/nkzawa/engineio/client/Socket.java
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@@ -31,6 +31,9 @@ public abstract class Socket extends Emitter {
put(CLOSED, "closed"); put(CLOSED, "closed");
}}; }};
public static final String POLLING = "polling";
public static final String WEBSOCKET = "websocket";
public static final String EVENT_OPEN = "open"; public static final String EVENT_OPEN = "open";
public static final String EVENT_CLOSE = "close"; public static final String EVENT_CLOSE = "close";
public static final String EVENT_HANDSHAKE = "handshake"; public static final String EVENT_HANDSHAKE = "handshake";
@@ -114,7 +117,7 @@ public abstract class Socket extends Emitter {
this.timestampParam = opts.timestampParam != null ? opts.timestampParam : "t"; this.timestampParam = opts.timestampParam != null ? opts.timestampParam : "t";
this.timestampRequests = opts.timestampRequests; this.timestampRequests = opts.timestampRequests;
this.transports = new ArrayList<String>(Arrays.asList( this.transports = new ArrayList<String>(Arrays.asList(
opts.transports != null ? opts.transports : new String[] {"polling", "websocket"})); opts.transports != null ? opts.transports : new String[] {POLLING, WEBSOCKET}));
this.policyPort = opts.policyPort != 0 ? opts.policyPort : 843; this.policyPort = opts.policyPort != 0 ? opts.policyPort : 843;
Socket.sockets.add(this); Socket.sockets.add(this);
@@ -148,9 +151,9 @@ public abstract class Socket extends Emitter {
opts.timestampParam = this.timestampParam; opts.timestampParam = this.timestampParam;
opts.policyPort = this.policyPort; opts.policyPort = this.policyPort;
if ("websocket".equals(name)) { if (WEBSOCKET.equals(name)) {
return new WebSocket(opts); return new WebSocket(opts);
} else if ("polling".equals(name)) { } else if (POLLING.equals(name)) {
return new PollingXHR(opts); return new PollingXHR(opts);
} }
@@ -167,22 +170,22 @@ public abstract class Socket extends Emitter {
this.transport = transport; this.transport = transport;
transport.on("drain", new Listener() { transport.on(Transport.EVENT_DRAIN, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
self.onDrain(); self.onDrain();
} }
}).on("packet", new Listener() { }).on(Transport.EVENT_PACKET, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
self.onPacket(args.length > 0 ? (Packet) args[0] : null); self.onPacket(args.length > 0 ? (Packet) args[0] : null);
} }
}).on("error", new Listener() { }).on(Transport.EVENT_ERROR, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
self.onError(args.length > 0 ? (Exception) args[0] : null); self.onError(args.length > 0 ? (Exception) args[0] : null);
} }
}).on("close", new Listener() { }).on(Transport.EVENT_CLOSE, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
self.onClose("transport close"); self.onClose("transport close");
@@ -215,20 +218,20 @@ public abstract class Socket extends Emitter {
} }
}; };
transport[0].once("open", new Listener() { transport[0].once(Transport.EVENT_OPEN, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
if (failed[0]) return; if (failed[0]) return;
logger.info(String.format("probe transport '%s' opened", name)); logger.info(String.format("probe transport '%s' opened", name));
Packet packet = new Packet("ping", "probe"); Packet packet = new Packet(Packet.PING, "probe");
transport[0].send(new Packet[] {packet}); transport[0].send(new Packet[] {packet});
transport[0].once("packet", new Listener() { transport[0].once(Transport.EVENT_PACKET, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
if (failed[0]) return; if (failed[0]) return;
Packet msg = (Packet)args[0]; Packet msg = (Packet)args[0];
if ("pong".equals(msg.type) && "probe".equals(msg.data)) { if (Packet.PONG.equals(msg.type) && "probe".equals(msg.data)) {
logger.info(String.format("probe transport '%s' pong", name)); logger.info(String.format("probe transport '%s' pong", name));
self.upgrading = true; self.upgrading = true;
self.emit(EVENT_UPGRADING, transport[0]); self.emit(EVENT_UPGRADING, transport[0]);
@@ -243,10 +246,10 @@ public abstract class Socket extends Emitter {
} }
logger.info("changing transport and sending upgrade packet"); logger.info("changing transport and sending upgrade packet");
transport[0].off("error", onerror); transport[0].off(Transport.EVENT_ERROR, onerror);
self.emit(EVENT_UPGRADE, transport); self.emit(EVENT_UPGRADE, transport);
self.setTransport(transport[0]); self.setTransport(transport[0]);
Packet packet = new Packet("upgrade", null); Packet packet = new Packet(Packet.UPGRADE, null);
transport[0].send(new Packet[]{packet}); transport[0].send(new Packet[]{packet});
transport[0] = null; transport[0] = null;
self.upgrading = false; self.upgrading = false;
@@ -264,9 +267,9 @@ public abstract class Socket extends Emitter {
} }
}); });
transport[0].once("error", onerror); transport[0].once(Transport.EVENT_ERROR, onerror);
this.once("close", new Listener() { this.once(EVENT_CLOSE, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
if (transport[0] != null) { if (transport[0] != null) {
@@ -278,7 +281,7 @@ public abstract class Socket extends Emitter {
} }
}); });
this.once("upgrading", new Listener() { this.once(EVENT_UPGRADING, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
Transport to = (Transport)args[0]; Transport to = (Transport)args[0];
@@ -315,16 +318,16 @@ public abstract class Socket extends Emitter {
this.emit(EVENT_PACKET, packet); this.emit(EVENT_PACKET, packet);
this.emit(EVENT_HEARTBEAT); this.emit(EVENT_HEARTBEAT);
if ("open".equals(packet.type)) { if (Packet.OPEN.equals(packet.type)) {
this.onHandshake(new JsonParser().parse(packet.data).getAsJsonObject()); this.onHandshake(new JsonParser().parse(packet.data).getAsJsonObject());
} else if ("pong".equals(packet.type)) { } else if (Packet.PONG.equals(packet.type)) {
this.ping(); this.ping();
} else if ("error".equals(packet.type)) { } else if (Packet.ERROR.equals(packet.type)) {
// TODO: handle error // TODO: handle error
EngineIOException err = new EngineIOException("server error"); EngineIOException err = new EngineIOException("server error");
//err.code = packet.data; //err.code = packet.data;
this.emit(EVENT_ERROR, err); this.emit(EVENT_ERROR, err);
} else if ("message".equals(packet.type)) { } else if (Packet.MESSAGE.equals(packet.type)) {
this.emit(EVENT_DATA, packet.data); this.emit(EVENT_DATA, packet.data);
this.emit(EVENT_MESSAGE, packet.data); this.emit(EVENT_MESSAGE, packet.data);
this.onmessage(packet.data); this.onmessage(packet.data);
@@ -390,7 +393,7 @@ public abstract class Socket extends Emitter {
@Override @Override
public void run() { public void run() {
logger.info(String.format("writing ping packet - expecting pong within %sms", self.pingTimeout)); logger.info(String.format("writing ping packet - expecting pong within %sms", self.pingTimeout));
self.sendPacket("ping"); self.sendPacket(Packet.PING);
self.onHeartbeat(self.pingTimeout); self.onHeartbeat(self.pingTimeout);
} }
}, this.pingInterval, TimeUnit.MILLISECONDS); }, this.pingInterval, TimeUnit.MILLISECONDS);
@@ -444,7 +447,7 @@ public abstract class Socket extends Emitter {
} }
public void send(String msg, Runnable fn) { public void send(String msg, Runnable fn) {
this.sendPacket("message", msg, fn); this.sendPacket(Packet.MESSAGE, msg, fn);
} }
private void sendPacket(String type) { private void sendPacket(String type) {

40
src/main/java/com/github/nkzawa/engineio/client/Transport.java
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@@ -5,10 +5,28 @@ import com.github.nkzawa.emitter.Emitter;
import com.github.nkzawa.engineio.parser.Packet; import com.github.nkzawa.engineio.parser.Packet;
import com.github.nkzawa.engineio.parser.Parser; import com.github.nkzawa.engineio.parser.Parser;
import java.util.HashMap;
import java.util.Map; import java.util.Map;
public abstract class Transport extends Emitter { public abstract class Transport extends Emitter {
protected static final int OPENING = 0;
protected static final int OPEN = 1;
protected static final int CLOSED = 2;
protected static final int PAUSED = 3;
protected static final Map<Integer, String> STATE_MAP = new HashMap<Integer, String>() {{
put(OPENING, "opening");
put(OPEN, "open");
put(CLOSED, "closed");
put(PAUSED, "paused");
}};
public static final String EVENT_OPEN = "open";
public static final String EVENT_CLOSE = "close";
public static final String EVENT_PACKET = "packet";
public static final String EVENT_DRAIN = "drain";
public static final String EVENT_ERROR = "error";
public boolean writable; public boolean writable;
public String name; public String name;
public Map<String, String> query; public Map<String, String> query;
@@ -16,10 +34,10 @@ public abstract class Transport extends Emitter {
protected boolean secure; protected boolean secure;
protected boolean timestampRequests; protected boolean timestampRequests;
protected int port; protected int port;
protected int readyState = -1;
protected String path; protected String path;
protected String hostname; protected String hostname;
protected String timestampParam; protected String timestampParam;
protected String readyState = "";
public Transport(Options opts) { public Transport(Options opts) {
@@ -35,20 +53,20 @@ public abstract class Transport extends Emitter {
protected Transport onError(String msg, Exception desc) { protected Transport onError(String msg, Exception desc) {
// TODO: handle error // TODO: handle error
Exception err = new EngineIOException(msg, desc); Exception err = new EngineIOException(msg, desc);
this.emit("error", err); this.emit(EVENT_ERROR, err);
return this; return this;
} }
public Emitter open() { public Emitter open() {
if ("closed".equals(this.readyState) || "".equals(this.readyState)) { if (this.readyState == CLOSED || this.readyState < 0) {
this.readyState = "opening"; this.readyState = OPENING;
this.doOpen(); this.doOpen();
} }
return this; return this;
} }
public Transport close() { public Transport close() {
if ("opening".equals(this.readyState) || "open".equals(this.readyState)) { if (this.readyState == OPENING || this.readyState == OPEN) {
this.doClose(); this.doClose();
this.onClose(); this.onClose();
} }
@@ -56,7 +74,7 @@ public abstract class Transport extends Emitter {
} }
public void send(Packet[] packets) { public void send(Packet[] packets) {
if ("open".equals(this.readyState)) { if (this.readyState == OPEN) {
this.write(packets); this.write(packets);
} else { } else {
throw new RuntimeException("Transport not open"); throw new RuntimeException("Transport not open");
@@ -64,9 +82,9 @@ public abstract class Transport extends Emitter {
} }
protected void onOpen() { protected void onOpen() {
this.readyState = "open"; this.readyState = OPEN;
this.writable = true; this.writable = true;
this.emit("open"); this.emit(EVENT_OPEN);
} }
protected void onData(String data) { protected void onData(String data) {
@@ -74,12 +92,12 @@ public abstract class Transport extends Emitter {
} }
protected void onPacket(Packet packet) { protected void onPacket(Packet packet) {
this.emit("packet", packet); this.emit(EVENT_PACKET, packet);
} }
protected void onClose() { protected void onClose() {
this.readyState = "closed"; this.readyState = CLOSED;
this.emit("close"); this.emit(EVENT_CLOSE);
} }
abstract protected void write(Packet[] packets); abstract protected void write(Packet[] packets);

32
src/main/java/com/github/nkzawa/engineio/client/transports/Polling.java
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@@ -1,6 +1,7 @@
package com.github.nkzawa.engineio.client.transports; package com.github.nkzawa.engineio.client.transports;
import com.github.nkzawa.engineio.client.Socket;
import com.github.nkzawa.engineio.client.Transport; import com.github.nkzawa.engineio.client.Transport;
import com.github.nkzawa.engineio.client.Util; import com.github.nkzawa.engineio.client.Util;
import com.github.nkzawa.engineio.parser.Packet; import com.github.nkzawa.engineio.parser.Packet;
@@ -15,12 +16,15 @@ abstract public class Polling extends Transport {
private static final Logger logger = Logger.getLogger("engine.io-client:polling"); private static final Logger logger = Logger.getLogger("engine.io-client:polling");
public static final String EVENT_POLL = "poll";
public static final String EVENT_POLL_COMPLETE = "pollComplete";
private boolean polling; private boolean polling;
public Polling(Options opts) { public Polling(Options opts) {
super(opts); super(opts);
this.name = "polling"; this.name = Socket.POLLING;
} }
protected void doOpen() { protected void doOpen() {
@@ -31,13 +35,13 @@ abstract public class Polling extends Transport {
int pending = 0; int pending = 0;
final Polling self = this; final Polling self = this;
this.readyState = "paused"; this.readyState = PAUSED;
final Runnable pause = new Runnable() { final Runnable pause = new Runnable() {
@Override @Override
public void run() { public void run() {
logger.info("paused"); logger.info("paused");
self.readyState = "paused"; self.readyState = PAUSED;
onPause.run(); onPause.run();
} }
}; };
@@ -48,7 +52,7 @@ abstract public class Polling extends Transport {
if (this.polling) { if (this.polling) {
logger.info("we are currently polling - waiting to pause"); logger.info("we are currently polling - waiting to pause");
total[0]++; total[0]++;
this.once("pollComplete", new Listener() { this.once(EVENT_POLL_COMPLETE, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
logger.info("pre-pause polling complete"); logger.info("pre-pause polling complete");
@@ -62,7 +66,7 @@ abstract public class Polling extends Transport {
if (!this.writable) { if (!this.writable) {
logger.info("we are currently writing - waiting to pause"); logger.info("we are currently writing - waiting to pause");
total[0]++; total[0]++;
this.once("drain", new Listener() { this.once(EVENT_DRAIN, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
logger.info("pre-pause writing complete"); logger.info("pre-pause writing complete");
@@ -81,7 +85,7 @@ abstract public class Polling extends Transport {
logger.info("polling"); logger.info("polling");
this.polling = true; this.polling = true;
this.doPoll(); this.doPoll();
this.emit("poll"); this.emit(EVENT_POLL);
} }
protected void onData(String data) { protected void onData(String data) {
@@ -91,11 +95,11 @@ abstract public class Polling extends Transport {
Parser.decodePayload(data, new Parser.DecodePayloadCallback() { Parser.decodePayload(data, new Parser.DecodePayloadCallback() {
@Override @Override
public boolean call(Packet packet, int index, int total) { public boolean call(Packet packet, int index, int total) {
if ("opening".equals(self.readyState)) { if (self.readyState == OPENING) {
self.onOpen(); self.onOpen();
} }
if ("close".equals(packet.type)) { if (Packet.CLOSE.equals(packet.type)) {
self.onClose(); self.onClose();
return false; return false;
} }
@@ -105,21 +109,21 @@ abstract public class Polling extends Transport {
} }
}); });
if (!"closed".equals(this.readyState)) { if (this.readyState != CLOSED) {
this.polling = false; this.polling = false;
this.emit("pollComplete"); this.emit(EVENT_POLL_COMPLETE);
if ("open".equals(this.readyState)) { if (this.readyState == OPEN) {
this.poll(); this.poll();
} else { } else {
logger.info(String.format("ignoring poll - transport state '%s'", this.readyState)); logger.info(String.format("ignoring poll - transport state '%s'", STATE_MAP.get(this.readyState)));
} }
} }
} }
protected void doClose() { protected void doClose() {
logger.info("sending close packet"); logger.info("sending close packet");
this.send(new Packet[] {new Packet("close", null)}); this.send(new Packet[] {new Packet(Packet.CLOSE, null)});
} }
protected void write(Packet[] packets) { protected void write(Packet[] packets) {
@@ -129,7 +133,7 @@ abstract public class Polling extends Transport {
@Override @Override
public void run() { public void run() {
self.writable = true; self.writable = true;
self.emit("drain"); self.emit(EVENT_DRAIN);
} }
}); });
} }

18
src/main/java/com/github/nkzawa/engineio/client/transports/PollingXHR.java
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@@ -39,13 +39,13 @@ public class PollingXHR extends Polling {
opts.data = data; opts.data = data;
Request req = this.request(opts); Request req = this.request(opts);
final PollingXHR self = this; final PollingXHR self = this;
req.on("success", new Listener() { req.on(Request.EVENT_SUCCESS, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
fn.run(); fn.run();
} }
}); });
req.on("error", new Listener() { req.on(Request.EVENT_ERROR, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
Exception err = args.length > 0 && args[0] instanceof Exception ? (Exception)args[0] : null; Exception err = args.length > 0 && args[0] instanceof Exception ? (Exception)args[0] : null;
@@ -60,14 +60,14 @@ public class PollingXHR extends Polling {
logger.info("xhr poll"); logger.info("xhr poll");
Request req = this.request(); Request req = this.request();
final PollingXHR self = this; final PollingXHR self = this;
req.on("data", new Listener() { req.on(Request.EVENT_DATA, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
String data = args.length > 0 ? (String)args[0] : null; String data = args.length > 0 ? (String)args[0] : null;
self.onData(data); self.onData(data);
} }
}); });
req.on("error", new Listener() { req.on(Request.EVENT_ERROR, new Listener() {
@Override @Override
public void call(Object... args) { public void call(Object... args) {
Exception err = args.length > 0 && args[0] instanceof Exception ? (Exception)args[0] : null; Exception err = args.length > 0 && args[0] instanceof Exception ? (Exception)args[0] : null;
@@ -80,6 +80,10 @@ public class PollingXHR extends Polling {
private static class Request extends Emitter { private static class Request extends Emitter {
private static final String EVENT_SUCCESS = "success";
private static final String EVENT_DATA = "data";
private static final String EVENT_ERROR = "error";
private static final ExecutorService xhrService = Executors.newCachedThreadPool(); private static final ExecutorService xhrService = Executors.newCachedThreadPool();
String method; String method;
@@ -146,17 +150,17 @@ public class PollingXHR extends Polling {
} }
public void onSuccess() { public void onSuccess() {
this.emit("success"); this.emit(EVENT_SUCCESS);
this.cleanup(); this.cleanup();
} }
public void onData(String data) { public void onData(String data) {
this.emit("data", data); this.emit(EVENT_DATA, data);
this.onSuccess(); this.onSuccess();
} }
public void onError(Exception err) { public void onError(Exception err) {
this.emit("error", err); this.emit(EVENT_ERROR, err);
this.cleanup(); this.cleanup();
} }

5
src/main/java/com/github/nkzawa/engineio/client/transports/WebSocket.java
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@@ -1,6 +1,7 @@
package com.github.nkzawa.engineio.client.transports; package com.github.nkzawa.engineio.client.transports;
import com.github.nkzawa.engineio.client.Socket;
import com.github.nkzawa.engineio.client.Transport; import com.github.nkzawa.engineio.client.Transport;
import com.github.nkzawa.engineio.client.Util; import com.github.nkzawa.engineio.client.Util;
import com.github.nkzawa.engineio.parser.Packet; import com.github.nkzawa.engineio.parser.Packet;
@@ -29,7 +30,7 @@ public class WebSocket extends Transport {
public WebSocket(Options opts) { public WebSocket(Options opts) {
super(opts); super(opts);
this.name = "websocket"; this.name = Socket.WEBSOCKET;
} }
protected void doOpen() { protected void doOpen() {
@@ -74,7 +75,7 @@ public class WebSocket extends Transport {
@Override @Override
public void run() { public void run() {
self.writable = true; self.writable = true;
self.emit("drain"); self.emit(EVENT_DRAIN);
} }
}; };

9
src/main/java/com/github/nkzawa/engineio/parser/Packet.java
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@@ -3,6 +3,15 @@ package com.github.nkzawa.engineio.parser;
public class Packet { public class Packet {
static final public String OPEN = "open";
static final public String CLOSE = "close";
static final public String PING = "ping";
static final public String PONG = "pong";
static final public String UPGRADE = "upgrade";
static final public String MESSAGE = "message";
static final public String NOOP = "noop";
static final public String ERROR = "error";
public String type; public String type;
public String data; public String data;

16
src/main/java/com/github/nkzawa/engineio/parser/Parser.java
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@@ -8,13 +8,13 @@ public class Parser {
public static final int protocol = 2; public static final int protocol = 2;
public static final Map<String, Integer> packets = new HashMap<String, Integer>() {{ public static final Map<String, Integer> packets = new HashMap<String, Integer>() {{
put("open", 0); put(Packet.OPEN, 0);
put("close", 1); put(Packet.CLOSE, 1);
put("ping", 2); put(Packet.PING, 2);
put("pong", 3); put(Packet.PONG, 3);
put("message", 4); put(Packet.MESSAGE, 4);
put("upgrade", 5); put(Packet.UPGRADE, 5);
put("noop", 6); put(Packet.NOOP, 6);
}}; }};
public static final Map<Integer, String> bipackets = new HashMap<Integer, String>(); public static final Map<Integer, String> bipackets = new HashMap<Integer, String>();
static { static {
@@ -23,7 +23,7 @@ public class Parser {
} }
} }
private static Packet err = new Packet("error", "parser error"); private static Packet err = new Packet(Packet.ERROR, "parser error");
private Parser() {} private Parser() {}