Examples with Struct org.apache.qpid.server.protocol.v0_10.transport.Struct used on opensource projects

Example 6 with Struct

use of org.apache.qpid.server.protocol.v0_10.transport.Struct in project qpid-broker-j by apache.

the class ServerAssembler method assemble.

private void assemble(ServerFrame frame, QpidByteBuffer frameBuffer) {
    try {
        ServerDecoder dec = new ServerDecoder(frameBuffer);
        int channel = frame.getChannel();
        Method command;
        switch(frame.getType()) {
            case CONTROL:
                int controlType = dec.readUint16();
                Method control = Method.create(controlType);
                control.read(dec);
                emit(channel, control);
                break;
            case COMMAND:
                int commandType = dec.readUint16();
                // read in the session header, right now we don't use it
                int hdr = dec.readUint16();
                command = Method.create(commandType);
                command.setSync((0x0001 & hdr) != 0);
                command.read(dec);
                if (command.hasPayload() && !frame.isLastSegment()) {
                    setIncompleteCommand(channel, command);
                } else {
                    emit(channel, command);
                }
                break;
            case HEADER:
                command = getIncompleteCommand(channel);
                List<Struct> structs = null;
                DeliveryProperties deliveryProps = null;
                MessageProperties messageProps = null;
                while (dec.hasRemaining()) {
                    Struct struct = dec.readStruct32();
                    if (struct instanceof DeliveryProperties && deliveryProps == null) {
                        deliveryProps = (DeliveryProperties) struct;
                    } else if (struct instanceof MessageProperties && messageProps == null) {
                        messageProps = (MessageProperties) struct;
                    } else {
                        if (structs == null) {
                            structs = new ArrayList<>(2);
                        }
                        structs.add(struct);
                    }
                }
                command.setHeader(new Header(deliveryProps, messageProps, structs));
                if (frame.isLastSegment()) {
                    setIncompleteCommand(channel, null);
                    emit(channel, command);
                }
                break;
            case BODY:
                command = getIncompleteCommand(channel);
                command.setBody(frameBuffer);
                setIncompleteCommand(channel, null);
                emit(channel, command);
                break;
            default:
                throw new IllegalStateException("unknown frame type: " + frame.getType());
        }
    } finally {
        frameBuffer.dispose();
    }
}

Example 7 with Struct

use of org.apache.qpid.server.protocol.v0_10.transport.Struct in project qpid-broker-j by apache.

the class ServerDisassembler method method.

private void method(Method method, SegmentType type) {
    ServerEncoder enc = _encoder;
    enc.init();
    enc.writeUint16(method.getEncodedType());
    if (type == SegmentType.COMMAND) {
        if (method.isSync()) {
            enc.writeUint16(0x0101);
        } else {
            enc.writeUint16(0x0100);
        }
    }
    method.write(enc);
    int methodLimit = enc.position();
    byte flags = FIRST_SEG;
    boolean payload = method.hasPayload();
    if (!payload) {
        flags |= LAST_SEG;
    }
    int headerLimit = -1;
    if (payload) {
        final Header hdr = method.getHeader();
        if (hdr != null) {
            if (hdr.getDeliveryProperties() != null) {
                enc.writeStruct32(hdr.getDeliveryProperties());
            }
            if (hdr.getMessageProperties() != null) {
                enc.writeStruct32(hdr.getMessageProperties());
            }
            if (hdr.getNonStandardProperties() != null) {
                for (Struct st : hdr.getNonStandardProperties()) {
                    enc.writeStruct32(st);
                }
            }
        }
        headerLimit = enc.position();
    }
    synchronized (_sendLock) {
        try (QpidByteBuffer buf = enc.getBuffer()) {
            try (QpidByteBuffer duplicate = buf.view(0, methodLimit)) {
                fragment(flags, type, method, duplicate);
            }
            if (payload) {
                QpidByteBuffer body = method.getBody();
                buf.limit(headerLimit);
                buf.position(methodLimit);
                try (QpidByteBuffer slice = buf.slice()) {
                    fragment(body == null ? LAST_SEG : 0x0, SegmentType.HEADER, method, slice);
                }
                if (body != null) {
                    try (QpidByteBuffer dup = body.duplicate()) {
                        fragment(LAST_SEG, SegmentType.BODY, method, dup);
                    }
                }
            }
        }
    }
}

Example 8 with Struct

use of org.apache.qpid.server.protocol.v0_10.transport.Struct in project qpid-broker-j by apache.

the class Disassembler method method.

private void method(Method method, SegmentType type) {
    BBEncoder enc = _encoder.get();
    enc.init();
    enc.writeUint16(method.getEncodedType());
    if (type == SegmentType.COMMAND) {
        if (method.isSync()) {
            enc.writeUint16(0x0101);
        } else {
            enc.writeUint16(0x0100);
        }
    }
    method.write(enc);
    int methodLimit = enc.position();
    byte flags = FIRST_SEG;
    boolean payload = method.hasPayload();
    if (!payload) {
        flags |= LAST_SEG;
    }
    int headerLimit = -1;
    if (payload) {
        final Header hdr = method.getHeader();
        if (hdr != null) {
            if (hdr.getDeliveryProperties() != null) {
                enc.writeStruct32(hdr.getDeliveryProperties());
            }
            if (hdr.getMessageProperties() != null) {
                enc.writeStruct32(hdr.getMessageProperties());
            }
            if (hdr.getNonStandardProperties() != null) {
                for (Struct st : hdr.getNonStandardProperties()) {
                    enc.writeStruct32(st);
                }
            }
        }
        headerLimit = enc.position();
    }
    synchronized (_sendlock) {
        ByteBuffer buf = enc.underlyingBuffer();
        buf.flip();
        ByteBuffer copy = ByteBuffer.allocate(buf.remaining());
        copy.put(buf.duplicate());
        copy.flip();
        final ByteBuffer methodBuf = view(copy, 0, methodLimit);
        fragment(flags, type, method, methodBuf);
        if (payload) {
            QpidByteBuffer qpidByteBuffer = method.getBody();
            ByteBuffer body = null;
            if (qpidByteBuffer != null) {
                body = ByteBuffer.allocate(qpidByteBuffer.remaining());
                qpidByteBuffer.copyTo(body);
                body.flip();
            }
            ByteBuffer headerBuf = view(copy, methodLimit, headerLimit);
            fragment(body == null ? LAST_SEG : 0x0, SegmentType.HEADER, method, headerBuf);
            if (body != null) {
                fragment(LAST_SEG, SegmentType.BODY, method, body.duplicate());
            }
        }
    }
}