move debugging to lib

This commit is contained in:
TopchetoEU 2025-01-24 22:42:33 +02:00
parent 3c4d05abd4
commit 4352550ae9
Signed by: topchetoeu
GPG Key ID: 6531B8583E5F6ED4
24 changed files with 478 additions and 504 deletions

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@ -1,4 +1,4 @@
package me.topchetoeu.j2s.repl.debug;
package me.topchetoeu.j2s.lib.debug;
import java.io.IOException;
import java.io.UncheckedIOException;
@ -15,7 +15,7 @@ import me.topchetoeu.j2s.common.SyntaxException;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONList;
import me.topchetoeu.j2s.compilation.json.JSONMap;
import me.topchetoeu.j2s.repl.debug.WebSocketMessage.Type;
import me.topchetoeu.j2s.lib.debug.WebSocketMessage.Type;
public class DebugServer {
public static String browserDisplayName = Metadata.name() + "/" + Metadata.version();

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@ -0,0 +1,37 @@
package me.topchetoeu.j2s.lib.debug;
import java.io.IOException;
import me.topchetoeu.j2s.runtime.debug.DebugHandler;
public interface Debugger extends DebugHandler {
void close();
void enable(V8Message msg) throws IOException;
void disable(V8Message msg) throws IOException;
void setBreakpointByUrl(V8Message msg) throws IOException;
void removeBreakpoint(V8Message msg) throws IOException;
void continueToLocation(V8Message msg) throws IOException;
void getScriptSource(V8Message msg) throws IOException;
void getPossibleBreakpoints(V8Message msg) throws IOException;
void resume(V8Message msg) throws IOException;
void pause(V8Message msg) throws IOException;
void stepInto(V8Message msg) throws IOException;
void stepOut(V8Message msg) throws IOException;
void stepOver(V8Message msg) throws IOException;
void setPauseOnExceptions(V8Message msg) throws IOException;
void evaluateOnCallFrame(V8Message msg) throws IOException;
void getProperties(V8Message msg) throws IOException;
void releaseObjectGroup(V8Message msg) throws IOException;
void releaseObject(V8Message msg) throws IOException;
void callFunctionOn(V8Message msg) throws IOException;
void runtimeEnable(V8Message msg) throws IOException;
}

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@ -0,0 +1,5 @@
package me.topchetoeu.j2s.lib.debug;
public interface DebuggerProvider {
Debugger getDebugger(WebSocket socket, HttpRequest req);
}

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@ -0,0 +1,100 @@
package me.topchetoeu.j2s.lib.debug;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
import java.util.HashMap;
import java.util.IllegalFormatException;
import java.util.Map;
import me.topchetoeu.j2s.common.Reading;
public class HttpRequest {
public final String method;
public final String path;
public final Map<String, String> headers;
public final OutputStream out;
public void writeCode(int code, String name) {
try { out.write(("HTTP/1.1 " + code + " " + name + "\r\n").getBytes()); }
catch (IOException e) { }
}
public void writeHeader(String name, String value) {
try { out.write((name + ": " + value + "\r\n").getBytes()); }
catch (IOException e) { }
}
public void writeLastHeader(String name, String value) {
try { out.write((name + ": " + value + "\r\n\r\n").getBytes()); }
catch (IOException e) { }
}
public void writeHeadersEnd() {
try { out.write("\n".getBytes()); }
catch (IOException e) { }
}
public void writeResponse(int code, String name, String type, byte[] data) {
writeCode(code, name);
writeHeader("Content-Type", type);
writeLastHeader("Content-Length", data.length + "");
try {
out.write(data);
out.close();
}
catch (IOException e) { }
}
public void writeResponse(int code, String name, String type, InputStream data) {
writeResponse(code, name, type, Reading.streamToBytes(data));
}
public HttpRequest(String method, String path, Map<String, String> headers, OutputStream out) {
this.method = method;
this.path = path;
this.headers = headers;
this.out = out;
}
// We dont need no http library
public static HttpRequest read(Socket socket) {
try {
var str = socket.getInputStream();
var lines = new BufferedReader(new InputStreamReader(str));
var line = lines.readLine();
var i1 = line.indexOf(" ");
var i2 = line.indexOf(" ", i1 + 1);
if (i1 < 0 || i2 < 0) {
socket.close();
return null;
}
var method = line.substring(0, i1).trim().toUpperCase();
var path = line.substring(i1 + 1, i2).trim();
var headers = new HashMap<String, String>();
while (!(line = lines.readLine()).isEmpty()) {
var i = line.indexOf(":");
if (i < 0) continue;
var name = line.substring(0, i).trim().toLowerCase();
var value = line.substring(i + 1).trim();
if (name.length() == 0) continue;
headers.put(name, value);
}
if (headers.containsKey("content-length")) {
try {
var i = Integer.parseInt(headers.get("content-length"));
str.skip(i);
}
catch (IllegalFormatException e) { /* ¯\_(ツ)_/¯ */ }
}
return new HttpRequest(method, path, headers, socket.getOutputStream());
}
catch (IOException | NullPointerException e) { return null; }
}
}

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@ -1,4 +1,4 @@
package me.topchetoeu.j2s.repl.debug;
package me.topchetoeu.j2s.lib.debug;
import java.util.HashMap;
import java.util.HashSet;

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@ -1,4 +1,4 @@
package me.topchetoeu.j2s.repl.debug;
package me.topchetoeu.j2s.lib.debug;
import java.util.HashMap;
import java.util.WeakHashMap;
@ -69,14 +69,8 @@ public class SimpleDebugHandler implements DebugHandler {
if (debugger != null) debugger.onFunctionLoad(func, map);
}
private SimpleDebugHandler(boolean enabled) {
if (enabled) {
sources = new HashMap<>();
maps = new WeakHashMap<>();
}
}
public SimpleDebugHandler() {
this(true);
sources = new HashMap<>();
maps = new WeakHashMap<>();
}
}

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@ -1,4 +1,4 @@
package me.topchetoeu.j2s.repl.debug;
package me.topchetoeu.j2s.lib.debug;
import java.io.IOException;
import java.util.ArrayList;

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@ -1,4 +1,4 @@
package me.topchetoeu.j2s.repl.debug;
package me.topchetoeu.j2s.lib.debug;
import me.topchetoeu.j2s.common.Environment;
import me.topchetoeu.j2s.runtime.Frame;

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@ -0,0 +1,19 @@
package me.topchetoeu.j2s.lib.debug;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Error {
public final String message;
public V8Error(String message) {
this.message = message;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap().set("error", new JSONMap()
.set("message", message)
));
}
}

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@ -0,0 +1,22 @@
package me.topchetoeu.j2s.lib.debug;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Event {
public final String name;
public final JSONMap params;
public V8Event(String name, JSONMap params) {
this.name = name;
this.params = params;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap()
.set("method", name)
.set("params", params)
);
}
}

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@ -0,0 +1,50 @@
package me.topchetoeu.j2s.lib.debug;
import java.util.Map;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONElement;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Message {
public final String name;
public final int id;
public final JSONMap params;
public V8Message(String name, int id, Map<String, JSONElement> params) {
this.name = name;
this.params = new JSONMap(params);
this.id = id;
}
public V8Result respond(JSONMap result) {
return new V8Result(id, result);
}
public V8Result respond() {
return new V8Result(id, new JSONMap());
}
public V8Message(JSONMap raw) {
if (!raw.isNumber("id")) throw new IllegalArgumentException("Expected number property 'id'.");
if (!raw.isString("method")) throw new IllegalArgumentException("Expected string property 'method'.");
this.name = raw.string("method");
this.id = (int)raw.number("id");
this.params = raw.contains("params") ? raw.map("params") : new JSONMap();
}
public V8Message(String raw) {
this(JSON.parse(null, raw).map());
}
public JSONMap toMap() {
var res = new JSONMap();
return res;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap()
.set("method", name)
.set("params", params)
.set("id", id)
);
}
}

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@ -0,0 +1,22 @@
package me.topchetoeu.j2s.lib.debug;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Result {
public final int id;
public final JSONMap result;
public V8Result(int id, JSONMap result) {
this.id = id;
this.result = result;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap()
.set("id", id)
.set("result", result)
);
}
}

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@ -0,0 +1,186 @@
package me.topchetoeu.j2s.lib.debug;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import me.topchetoeu.j2s.lib.debug.WebSocketMessage.Type;
public class WebSocket implements AutoCloseable {
public long maxLength = 1 << 20;
private Socket socket;
private boolean closed = false;
private OutputStream out() throws IOException {
return socket.getOutputStream();
}
private InputStream in() throws IOException {
return socket.getInputStream();
}
private long readLen(int byteLen) throws IOException {
long res = 0;
if (byteLen == 126) {
res |= in().read() << 8;
res |= in().read();
return res;
}
else if (byteLen == 127) {
res |= in().read() << 56;
res |= in().read() << 48;
res |= in().read() << 40;
res |= in().read() << 32;
res |= in().read() << 24;
res |= in().read() << 16;
res |= in().read() << 8;
res |= in().read();
return res;
}
else return byteLen;
}
private byte[] readMask(boolean has) throws IOException {
if (has) {
return new byte[] {
(byte)in().read(),
(byte)in().read(),
(byte)in().read(),
(byte)in().read()
};
}
else return new byte[4];
}
private void writeLength(int len) throws IOException {
if (len < 126) {
out().write((int)len);
}
else if (len <= 0xFFFF) {
out().write(126);
out().write((int)(len >> 8) & 0xFF);
out().write((int)len & 0xFF);
}
else {
out().write(127);
out().write(0);
out().write(0);
out().write(0);
out().write(0);
out().write((len >> 24) & 0xFF);
out().write((len >> 16) & 0xFF);
out().write((len >> 8) & 0xFF);
out().write(len & 0xFF);
}
}
private synchronized void write(int type, byte[] data) throws IOException {
out().write(type | 0x80);
writeLength(data.length);
out().write(data);
}
public void send(String data) throws IOException {
if (closed) throw new IllegalStateException("Websocket is closed.");
write(1, data.getBytes());
}
public void send(byte[] data) throws IOException {
if (closed) throw new IllegalStateException("Websocket is closed.");
write(2, data);
}
public void send(WebSocketMessage msg) throws IOException {
if (msg.type == Type.Binary) send(msg.binaryData());
else send(msg.textData());
}
public void send(Object data) throws IOException {
if (closed) throw new IllegalStateException("Websocket is closed.");
write(1, data.toString().getBytes());
}
public void close(String reason) {
if (socket != null) {
try {
write(8, reason.getBytes());
socket.close();
}
catch (Throwable e) { }
}
socket = null;
closed = true;
}
public void close() {
close("");
}
private WebSocketMessage fail(String reason) {
System.out.println("WebSocket Error: " + reason);
close(reason);
return null;
}
private byte[] readData() throws IOException {
var maskLen = in().read();
var hasMask = (maskLen & 0x80) != 0;
var len = (int)readLen(maskLen & 0x7F);
var mask = readMask(hasMask);
if (len > maxLength) fail("WebSocket Error: client exceeded configured max message size");
else {
var buff = new byte[len];
if (in().read(buff) < len) fail("WebSocket Error: payload too short");
else {
for (int i = 0; i < len; i++) {
buff[i] ^= mask[(int)(i % 4)];
}
return buff;
}
}
return null;
}
public WebSocketMessage receive() throws IOException {
var data = new ByteArrayOutputStream();
var type = 0;
while (socket != null && !closed) {
var finId = in().read();
if (finId < 0) break;
var fin = (finId & 0x80) != 0;
int id = finId & 0x0F;
if (id == 0x8) { close(); return null; }
if (id >= 0x8) {
if (!fin) return fail("WebSocket Error: client-sent control frame was fragmented");
if (id == 0x9) write(0xA, data.toByteArray());
continue;
}
if (type == 0) type = id;
if (type == 0) return fail("WebSocket Error: client used opcode 0x00 for first fragment");
var buff = readData();
if (buff == null) break;
if (data.size() + buff.length > maxLength) return fail("WebSocket Error: client exceeded configured max message size");
data.write(buff);
if (!fin) continue;
var raw = data.toByteArray();
if (type == 1) {
return new WebSocketMessage(new String(raw));
}
else return new WebSocketMessage(raw);
}
return null;
}
public WebSocket(Socket socket) {
this.socket = socket;
}
}

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@ -0,0 +1,29 @@
package me.topchetoeu.j2s.lib.debug;
public class WebSocketMessage {
public static enum Type {
Text,
Binary,
}
public final Type type;
private final Object data;
public final String textData() {
if (type != Type.Text) throw new IllegalStateException("Message is not text.");
return (String)data;
}
public final byte[] binaryData() {
if (type != Type.Binary) throw new IllegalStateException("Message is not binary.");
return (byte[])data;
}
public WebSocketMessage(String data) {
this.type = Type.Text;
this.data = data;
}
public WebSocketMessage(byte[] data) {
this.type = Type.Binary;
this.data = data;
}
}

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@ -1,19 +0,0 @@
package me.topchetoeu.j2s.repl;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Error {
public final String message;
public V8Error(String message) {
this.message = message;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap().set("error", new JSONMap()
.set("message", message)
));
}
}

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@ -1,37 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
import java.io.IOException;
import me.topchetoeu.j2s.runtime.debug.DebugHandler;
public interface Debugger extends DebugHandler {
void close();
void enable(V8Message msg) throws IOException;
void disable(V8Message msg) throws IOException;
void setBreakpointByUrl(V8Message msg) throws IOException;
void removeBreakpoint(V8Message msg) throws IOException;
void continueToLocation(V8Message msg) throws IOException;
void getScriptSource(V8Message msg) throws IOException;
void getPossibleBreakpoints(V8Message msg) throws IOException;
void resume(V8Message msg) throws IOException;
void pause(V8Message msg) throws IOException;
void stepInto(V8Message msg) throws IOException;
void stepOut(V8Message msg) throws IOException;
void stepOver(V8Message msg) throws IOException;
void setPauseOnExceptions(V8Message msg) throws IOException;
void evaluateOnCallFrame(V8Message msg) throws IOException;
void getProperties(V8Message msg) throws IOException;
void releaseObjectGroup(V8Message msg) throws IOException;
void releaseObject(V8Message msg) throws IOException;
void callFunctionOn(V8Message msg) throws IOException;
void runtimeEnable(V8Message msg) throws IOException;
}

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@ -1,5 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
public interface DebuggerProvider {
Debugger getDebugger(WebSocket socket, HttpRequest req);
}

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@ -1,101 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
import java.util.HashMap;
import java.util.IllegalFormatException;
import java.util.Map;
import me.topchetoeu.j2s.common.Reading;
public class HttpRequest {
public final String method;
public final String path;
public final Map<String, String> headers;
public final OutputStream out;
public void writeCode(int code, String name) {
try { out.write(("HTTP/1.1 " + code + " " + name + "\r\n").getBytes()); }
catch (IOException e) { }
}
public void writeHeader(String name, String value) {
try { out.write((name + ": " + value + "\r\n").getBytes()); }
catch (IOException e) { }
}
public void writeLastHeader(String name, String value) {
try { out.write((name + ": " + value + "\r\n\r\n").getBytes()); }
catch (IOException e) { }
}
public void writeHeadersEnd() {
try { out.write("\n".getBytes()); }
catch (IOException e) { }
}
public void writeResponse(int code, String name, String type, byte[] data) {
writeCode(code, name);
writeHeader("Content-Type", type);
writeLastHeader("Content-Length", data.length + "");
try {
out.write(data);
out.close();
}
catch (IOException e) { }
}
public void writeResponse(int code, String name, String type, InputStream data) {
writeResponse(code, name, type, Reading.streamToBytes(data));
}
public HttpRequest(String method, String path, Map<String, String> headers, OutputStream out) {
this.method = method;
this.path = path;
this.headers = headers;
this.out = out;
}
// We dont need no http library
public static HttpRequest read(Socket socket) {
try {
var str = socket.getInputStream();
var lines = new BufferedReader(new InputStreamReader(str));
var line = lines.readLine();
var i1 = line.indexOf(" ");
var i2 = line.indexOf(" ", i1 + 1);
if (i1 < 0 || i2 < 0) {
socket.close();
return null;
}
var method = line.substring(0, i1).trim().toUpperCase();
var path = line.substring(i1 + 1, i2).trim();
var headers = new HashMap<String, String>();
while (!(line = lines.readLine()).isEmpty()) {
var i = line.indexOf(":");
if (i < 0) continue;
var name = line.substring(0, i).trim().toLowerCase();
var value = line.substring(i + 1).trim();
if (name.length() == 0) continue;
headers.put(name, value);
}
if (headers.containsKey("content-length")) {
try {
var i = Integer.parseInt(headers.get("content-length"));
str.skip(i);
}
catch (IllegalFormatException e) { /* ¯\_(ツ)_/¯ */ }
}
return new HttpRequest(method, path, headers, socket.getOutputStream());
}
catch (IOException | NullPointerException e) { return null; }
}
}

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@ -1,19 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Error {
public final String message;
public V8Error(String message) {
this.message = message;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap().set("error", new JSONMap()
.set("message", message)
));
}
}

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@ -1,22 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Event {
public final String name;
public final JSONMap params;
public V8Event(String name, JSONMap params) {
this.name = name;
this.params = params;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap()
.set("method", name)
.set("params", params)
);
}
}

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@ -1,50 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
import java.util.Map;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONElement;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Message {
public final String name;
public final int id;
public final JSONMap params;
public V8Message(String name, int id, Map<String, JSONElement> params) {
this.name = name;
this.params = new JSONMap(params);
this.id = id;
}
public V8Result respond(JSONMap result) {
return new V8Result(id, result);
}
public V8Result respond() {
return new V8Result(id, new JSONMap());
}
public V8Message(JSONMap raw) {
if (!raw.isNumber("id")) throw new IllegalArgumentException("Expected number property 'id'.");
if (!raw.isString("method")) throw new IllegalArgumentException("Expected string property 'method'.");
this.name = raw.string("method");
this.id = (int)raw.number("id");
this.params = raw.contains("params") ? raw.map("params") : new JSONMap();
}
public V8Message(String raw) {
this(JSON.parse(null, raw).map());
}
public JSONMap toMap() {
var res = new JSONMap();
return res;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap()
.set("method", name)
.set("params", params)
.set("id", id)
);
}
}

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@ -1,22 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
import me.topchetoeu.j2s.compilation.json.JSON;
import me.topchetoeu.j2s.compilation.json.JSONMap;
public class V8Result {
public final int id;
public final JSONMap result;
public V8Result(int id, JSONMap result) {
this.id = id;
this.result = result;
}
@Override
public String toString() {
return JSON.stringify(new JSONMap()
.set("id", id)
.set("result", result)
);
}
}

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@ -1,186 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import me.topchetoeu.j2s.repl.debug.WebSocketMessage.Type;
public class WebSocket implements AutoCloseable {
public long maxLength = 1 << 20;
private Socket socket;
private boolean closed = false;
private OutputStream out() throws IOException {
return socket.getOutputStream();
}
private InputStream in() throws IOException {
return socket.getInputStream();
}
private long readLen(int byteLen) throws IOException {
long res = 0;
if (byteLen == 126) {
res |= in().read() << 8;
res |= in().read();
return res;
}
else if (byteLen == 127) {
res |= in().read() << 56;
res |= in().read() << 48;
res |= in().read() << 40;
res |= in().read() << 32;
res |= in().read() << 24;
res |= in().read() << 16;
res |= in().read() << 8;
res |= in().read();
return res;
}
else return byteLen;
}
private byte[] readMask(boolean has) throws IOException {
if (has) {
return new byte[] {
(byte)in().read(),
(byte)in().read(),
(byte)in().read(),
(byte)in().read()
};
}
else return new byte[4];
}
private void writeLength(int len) throws IOException {
if (len < 126) {
out().write((int)len);
}
else if (len <= 0xFFFF) {
out().write(126);
out().write((int)(len >> 8) & 0xFF);
out().write((int)len & 0xFF);
}
else {
out().write(127);
out().write(0);
out().write(0);
out().write(0);
out().write(0);
out().write((len >> 24) & 0xFF);
out().write((len >> 16) & 0xFF);
out().write((len >> 8) & 0xFF);
out().write(len & 0xFF);
}
}
private synchronized void write(int type, byte[] data) throws IOException {
out().write(type | 0x80);
writeLength(data.length);
out().write(data);
}
public void send(String data) throws IOException {
if (closed) throw new IllegalStateException("Websocket is closed.");
write(1, data.getBytes());
}
public void send(byte[] data) throws IOException {
if (closed) throw new IllegalStateException("Websocket is closed.");
write(2, data);
}
public void send(WebSocketMessage msg) throws IOException {
if (msg.type == Type.Binary) send(msg.binaryData());
else send(msg.textData());
}
public void send(Object data) throws IOException {
if (closed) throw new IllegalStateException("Websocket is closed.");
write(1, data.toString().getBytes());
}
public void close(String reason) {
if (socket != null) {
try {
write(8, reason.getBytes());
socket.close();
}
catch (Throwable e) { }
}
socket = null;
closed = true;
}
public void close() {
close("");
}
private WebSocketMessage fail(String reason) {
System.out.println("WebSocket Error: " + reason);
close(reason);
return null;
}
private byte[] readData() throws IOException {
var maskLen = in().read();
var hasMask = (maskLen & 0x80) != 0;
var len = (int)readLen(maskLen & 0x7F);
var mask = readMask(hasMask);
if (len > maxLength) fail("WebSocket Error: client exceeded configured max message size");
else {
var buff = new byte[len];
if (in().read(buff) < len) fail("WebSocket Error: payload too short");
else {
for (int i = 0; i < len; i++) {
buff[i] ^= mask[(int)(i % 4)];
}
return buff;
}
}
return null;
}
public WebSocketMessage receive() throws IOException {
var data = new ByteArrayOutputStream();
var type = 0;
while (socket != null && !closed) {
var finId = in().read();
if (finId < 0) break;
var fin = (finId & 0x80) != 0;
int id = finId & 0x0F;
if (id == 0x8) { close(); return null; }
if (id >= 0x8) {
if (!fin) return fail("WebSocket Error: client-sent control frame was fragmented");
if (id == 0x9) write(0xA, data.toByteArray());
continue;
}
if (type == 0) type = id;
if (type == 0) return fail("WebSocket Error: client used opcode 0x00 for first fragment");
var buff = readData();
if (buff == null) break;
if (data.size() + buff.length > maxLength) return fail("WebSocket Error: client exceeded configured max message size");
data.write(buff);
if (!fin) continue;
var raw = data.toByteArray();
if (type == 1) {
return new WebSocketMessage(new String(raw));
}
else return new WebSocketMessage(raw);
}
return null;
}
public WebSocket(Socket socket) {
this.socket = socket;
}
}

View File

@ -1,29 +0,0 @@
package me.topchetoeu.j2s.repl.debug;
public class WebSocketMessage {
public static enum Type {
Text,
Binary,
}
public final Type type;
private final Object data;
public final String textData() {
if (type != Type.Text) throw new IllegalStateException("Message is not text.");
return (String)data;
}
public final byte[] binaryData() {
if (type != Type.Binary) throw new IllegalStateException("Message is not binary.");
return (byte[])data;
}
public WebSocketMessage(String data) {
this.type = Type.Text;
this.data = data;
}
public WebSocketMessage(byte[] data) {
this.type = Type.Binary;
this.data = data;
}
}