Java Code Examples for cn.nukkit.utils.Binary#readInt()

The following examples show how to use cn.nukkit.utils.Binary#readInt() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Packet.java    From Jupiter with GNU General Public License v3.0 4 votes vote down vote up
protected int getInt() {
    return Binary.readInt(this.get(4));
}
 
Example 2
Source File: SessionManager.java    From Jupiter with GNU General Public License v3.0 4 votes vote down vote up
public boolean receiveStream() throws Exception {
    byte[] packet = this.server.readMainToThreadPacket();
    if (packet != null && packet.length > 0) {
        byte id = packet[0];
        int offset = 1;
        switch (id) {
            case RakNet.PACKET_ENCAPSULATED:
                int len = packet[offset++];
                String identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                if (this.sessions.containsKey(identifier)) {
                    byte flags = packet[offset++];
                    byte[] buffer = Binary.subBytes(packet, offset);
                    this.sessions.get(identifier).addEncapsulatedToQueue(EncapsulatedPacket.fromBinary(buffer, true), flags);
                } else {
                    this.streamInvalid(identifier);
                }
                break;
            case RakNet.PACKET_RAW:
                len = packet[offset++];
                String address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                int port = Binary.readShort(Binary.subBytes(packet, offset, 2));
                offset += 2;
                byte[] payload = Binary.subBytes(packet, offset);
                this.socket.writePacket(payload, address, port);
                break;
            case RakNet.PACKET_CLOSE_SESSION:
                len = packet[offset++];
                identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                if (this.sessions.containsKey(identifier)) {
                    this.removeSession(this.sessions.get(identifier));
                } else {
                    this.streamInvalid(identifier);
                }
                break;
            case RakNet.PACKET_INVALID_SESSION:
                len = packet[offset++];
                identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                if (this.sessions.containsKey(identifier)) {
                    this.removeSession(this.sessions.get(identifier));
                }
                break;
            case RakNet.PACKET_SET_OPTION:
                len = packet[offset++];
                String name = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                String value = new String(Binary.subBytes(packet, offset), StandardCharsets.UTF_8);
                switch (name) {
                    case "name":
                        this.name = value;
                        break;
                    case "portChecking":
                        this.portChecking = Boolean.valueOf(value);
                        break;
                    case "packetLimit":
                        this.packetLimit = Integer.valueOf(value);
                        break;
                }
                break;
            case RakNet.PACKET_BLOCK_ADDRESS:
                len = packet[offset++];
                address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                int timeout = Binary.readInt(Binary.subBytes(packet, offset, 4));
                this.blockAddress(address, timeout);
                break;
            case RakNet.PACKET_SHUTDOWN:
                for (Session session : new ArrayList<>(this.sessions.values())) {
                    this.removeSession(session);
                }

                this.socket.close();
                this.shutdown = true;
                break;
            case RakNet.PACKET_EMERGENCY_SHUTDOWN:
                this.shutdown = true;
            default:
                return false;
        }
        return true;
    }

    return false;
}
 
Example 3
Source File: Packet.java    From Nukkit with GNU General Public License v3.0 4 votes vote down vote up
protected int getInt() {
    return Binary.readInt(this.get(4));
}
 
Example 4
Source File: SessionManager.java    From Nukkit with GNU General Public License v3.0 4 votes vote down vote up
public boolean receiveStream() throws Exception {
    byte[] packet = this.server.readMainToThreadPacket();
    if (packet != null && packet.length > 0) {
        byte id = packet[0];
        int offset = 1;
        switch (id) {
            case RakNet.PACKET_ENCAPSULATED:
                int len = packet[offset++];
                String identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                if (this.sessions.containsKey(identifier)) {
                    byte flags = packet[offset++];
                    byte[] buffer = Binary.subBytes(packet, offset);
                    this.sessions.get(identifier).addEncapsulatedToQueue(EncapsulatedPacket.fromBinary(buffer, true), flags);
                } else {
                    this.streamInvalid(identifier);
                }
                break;
            case RakNet.PACKET_RAW:
                len = packet[offset++];
                String address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                int port = Binary.readShort(Binary.subBytes(packet, offset, 2));
                offset += 2;
                byte[] payload = Binary.subBytes(packet, offset);
                this.socket.writePacket(payload, address, port);
                break;
            case RakNet.PACKET_CLOSE_SESSION:
                len = packet[offset++];
                identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                if (this.sessions.containsKey(identifier)) {
                    this.removeSession(this.sessions.get(identifier));
                } else {
                    this.streamInvalid(identifier);
                }
                break;
            case RakNet.PACKET_INVALID_SESSION:
                len = packet[offset++];
                identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                if (this.sessions.containsKey(identifier)) {
                    this.removeSession(this.sessions.get(identifier));
                }
                break;
            case RakNet.PACKET_SET_OPTION:
                len = packet[offset++];
                String name = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                String value = new String(Binary.subBytes(packet, offset), StandardCharsets.UTF_8);
                switch (name) {
                    case "name":
                        this.name = value;
                        break;
                    case "portChecking":
                        this.portChecking = Boolean.valueOf(value);
                        break;
                    case "packetLimit":
                        this.packetLimit = Integer.valueOf(value);
                        break;
                }
                break;
            case RakNet.PACKET_BLOCK_ADDRESS:
                len = packet[offset++];
                address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                int timeout = Binary.readInt(Binary.subBytes(packet, offset, 4));
                this.blockAddress(address, timeout);
                break;
            case RakNet.PACKET_UNBLOCK_ADDRESS:
                len = packet[offset++];
                address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                this.unblockAddress(address);
                break;
            case RakNet.PACKET_SHUTDOWN:
                for (Session session : new ArrayList<>(this.sessions.values())) {
                    this.removeSession(session);
                }

                this.socket.close();
                this.shutdown = true;
                break;
            case RakNet.PACKET_EMERGENCY_SHUTDOWN:
                this.shutdown = true;
            default:
                return false;
        }
        return true;
    }

    return false;
}
 
Example 5
Source File: Packet.java    From Nukkit with GNU General Public License v3.0 4 votes vote down vote up
protected int getInt() {
    return Binary.readInt(this.get(4));
}
 
Example 6
Source File: SessionManager.java    From Nukkit with GNU General Public License v3.0 4 votes vote down vote up
public boolean receiveStream() throws Exception {
    byte[] packet = this.server.readMainToThreadPacket();
    if (packet != null && packet.length > 0) {
        byte id = packet[0];
        int offset = 1;
        switch (id) {
            case RakNet.PACKET_ENCAPSULATED:
                int len = packet[offset++];
                String identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                if (this.sessions.containsKey(identifier)) {
                    byte flags = packet[offset++];
                    byte[] buffer = Binary.subBytes(packet, offset);
                    this.sessions.get(identifier).addEncapsulatedToQueue(EncapsulatedPacket.fromBinary(buffer, true), flags);
                } else {
                    this.streamInvalid(identifier);
                }
                break;
            case RakNet.PACKET_RAW:
                len = packet[offset++];
                String address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                int port = Binary.readShort(Binary.subBytes(packet, offset, 2));
                offset += 2;
                byte[] payload = Binary.subBytes(packet, offset);
                this.socket.writePacket(payload, address, port);
                break;
            case RakNet.PACKET_CLOSE_SESSION:
                len = packet[offset++];
                identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                if (this.sessions.containsKey(identifier)) {
                    this.removeSession(this.sessions.get(identifier));
                } else {
                    this.streamInvalid(identifier);
                }
                break;
            case RakNet.PACKET_INVALID_SESSION:
                len = packet[offset++];
                identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                if (this.sessions.containsKey(identifier)) {
                    this.removeSession(this.sessions.get(identifier));
                }
                break;
            case RakNet.PACKET_SET_OPTION:
                len = packet[offset++];
                String name = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                String value = new String(Binary.subBytes(packet, offset), StandardCharsets.UTF_8);
                switch (name) {
                    case "name":
                        this.name = value;
                        break;
                    case "portChecking":
                        this.portChecking = Boolean.valueOf(value);
                        break;
                    case "packetLimit":
                        this.packetLimit = Integer.valueOf(value);
                        break;
                }
                break;
            case RakNet.PACKET_BLOCK_ADDRESS:
                len = packet[offset++];
                address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                offset += len;
                int timeout = Binary.readInt(Binary.subBytes(packet, offset, 4));
                this.blockAddress(address, timeout);
                break;
            case RakNet.PACKET_UNBLOCK_ADDRESS:
                len = packet[offset++];
                address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
                this.unblockAddress(address);
                break;
            case RakNet.PACKET_SHUTDOWN:
                for (Session session : new ArrayList<>(this.sessions.values())) {
                    this.removeSession(session);
                }

                this.socket.close();
                this.shutdown = true;
                break;
            case RakNet.PACKET_EMERGENCY_SHUTDOWN:
                this.shutdown = true;
            default:
                return false;
        }
        return true;
    }

    return false;
}