Examples with CloseFrameBuilder org.java_websocket.framing.CloseFrameBuilder used on opensource projects

Example 1 with CloseFrameBuilder

use of org.java_websocket.framing.CloseFrameBuilder in project quorrabot by GloriousEggroll.

the class WebSocketImpl method close.

private void close(int code, String message, boolean remote) {
    if (readystate != READYSTATE.CLOSING && readystate != READYSTATE.CLOSED) {
        if (readystate == READYSTATE.OPEN) {
            if (code == CloseFrame.ABNORMAL_CLOSE) {
                assert (remote == false);
                readystate = READYSTATE.CLOSING;
                flushAndClose(code, message, false);
                return;
            }
            if (draft.getCloseHandshakeType() != CloseHandshakeType.NONE) {
                try {
                    if (!remote) {
                        try {
                            wsl.onWebsocketCloseInitiated(this, code, message);
                        } catch (RuntimeException e) {
                            wsl.onWebsocketError(this, e);
                        }
                    }
                    sendFrame(new CloseFrameBuilder(code, message));
                } catch (InvalidDataException e) {
                    wsl.onWebsocketError(this, e);
                    flushAndClose(CloseFrame.ABNORMAL_CLOSE, "generated frame is invalid", false);
                }
            }
            flushAndClose(code, message, remote);
        } else if (code == CloseFrame.FLASHPOLICY) {
            assert (remote);
            flushAndClose(CloseFrame.FLASHPOLICY, message, true);
        } else {
            flushAndClose(CloseFrame.NEVER_CONNECTED, message, false);
        }
        if (// this endpoint found a PROTOCOL_ERROR
        code == CloseFrame.PROTOCOL_ERROR) {
            flushAndClose(code, message, remote);
        }
        readystate = READYSTATE.CLOSING;
        tmpHandshakeBytes = null;
        return;
    }
}

Example 2 with CloseFrameBuilder

use of org.java_websocket.framing.CloseFrameBuilder in project quorrabot by GloriousEggroll.

the class Draft_10 method translateSingleFrame.

public Framedata translateSingleFrame(ByteBuffer buffer) throws IncompleteException, InvalidDataException {
    int maxpacketsize = buffer.remaining();
    int realpacketsize = 2;
    if (maxpacketsize < realpacketsize) {
        throw new IncompleteException(realpacketsize);
    }
    byte b1 = buffer.get();
    boolean FIN = b1 >> 8 != 0;
    byte rsv = (byte) ((b1 & ~(byte) 128) >> 4);
    if (rsv != 0) {
        throw new InvalidFrameException("bad rsv " + rsv);
    }
    byte b2 = buffer.get();
    boolean MASK = (b2 & -128) != 0;
    int payloadlength = (byte) (b2 & ~(byte) 128);
    Opcode optcode = toOpcode((byte) (b1 & 15));
    if (!FIN) {
        if (optcode == Opcode.PING || optcode == Opcode.PONG || optcode == Opcode.CLOSING) {
            throw new InvalidFrameException("control frames may no be fragmented");
        }
    }
    if (payloadlength >= 0 && payloadlength <= 125) {
    } else {
        if (optcode == Opcode.PING || optcode == Opcode.PONG || optcode == Opcode.CLOSING) {
            throw new InvalidFrameException("more than 125 octets");
        }
        if (payloadlength == 126) {
            // additional length bytes
            realpacketsize += 2;
            if (maxpacketsize < realpacketsize) {
                throw new IncompleteException(realpacketsize);
            }
            byte[] sizebytes = new byte[3];
            sizebytes[1] = buffer.get();
            sizebytes[2] = buffer.get();
            payloadlength = new BigInteger(sizebytes).intValue();
        } else {
            // additional length bytes
            realpacketsize += 8;
            if (maxpacketsize < realpacketsize) {
                throw new IncompleteException(realpacketsize);
            }
            byte[] bytes = new byte[8];
            for (int i = 0; i < 8; i++) {
                bytes[i] = buffer.get();
            }
            long length = new BigInteger(bytes).longValue();
            if (length > Integer.MAX_VALUE) {
                throw new LimitExedeedException("Payloadsize is to big...");
            } else {
                payloadlength = (int) length;
            }
        }
    }
    // int maskskeystart = foff + realpacketsize;
    realpacketsize += (MASK ? 4 : 0);
    // int payloadstart = foff + realpacketsize;
    realpacketsize += payloadlength;
    if (maxpacketsize < realpacketsize) {
        throw new IncompleteException(realpacketsize);
    }
    ByteBuffer payload = ByteBuffer.allocate(checkAlloc(payloadlength));
    if (MASK) {
        byte[] maskskey = new byte[4];
        buffer.get(maskskey);
        for (int i = 0; i < payloadlength; i++) {
            payload.put((byte) ((byte) buffer.get() ^ (byte) maskskey[i % 4]));
        }
    } else {
        payload.put(buffer.array(), buffer.position(), payload.limit());
        buffer.position(buffer.position() + payload.limit());
    }
    FrameBuilder frame;
    if (optcode == Opcode.CLOSING) {
        frame = new CloseFrameBuilder();
    } else {
        frame = new FramedataImpl1();
        frame.setFin(FIN);
        frame.setOptcode(optcode);
    }
    payload.flip();
    frame.setPayload(payload);
    return frame;
}

Example 3 with CloseFrameBuilder

use of org.java_websocket.framing.CloseFrameBuilder in project quorrabot by GloriousEggroll.

the class Draft_76 method translateFrame.

@Override
public List<Framedata> translateFrame(ByteBuffer buffer) throws InvalidDataException {
    buffer.mark();
    List<Framedata> frames = super.translateRegularFrame(buffer);
    if (frames == null) {
        buffer.reset();
        frames = readyframes;
        readingState = true;
        if (currentFrame == null) {
            currentFrame = ByteBuffer.allocate(2);
        } else {
            throw new InvalidFrameException();
        }
        if (buffer.remaining() > currentFrame.remaining()) {
            throw new InvalidFrameException();
        } else {
            currentFrame.put(buffer);
        }
        if (!currentFrame.hasRemaining()) {
            if (Arrays.equals(currentFrame.array(), closehandshake)) {
                frames.add(new CloseFrameBuilder(CloseFrame.NORMAL));
                return frames;
            } else {
                throw new InvalidFrameException();
            }
        } else {
            readyframes = new LinkedList<Framedata>();
            return frames;
        }
    } else {
        return frames;
    }
}