// Java Package psi is a proxy for talking to a Go program.
//   gobind -lang=java github.com/Psiphon-Labs/psiphon-tunnel-core/AndroidLibrary/psi
//
// File is generated by gobind. Do not edit.
package go.psi;

import go.Seq;

public abstract class Psi {
    private Psi() {} // uninstantiable
    
    public interface PsiphonProvider extends go.Seq.Object {
        public void BindToDevice(long fileDescriptor) throws Exception;
        
        public String GetDnsServer();
        
        public long HasNetworkConnectivity();
        
        public void Notice(String noticeJSON);
        
        public static abstract class Stub implements PsiphonProvider {
            static final String DESCRIPTOR = "go.psi.PsiphonProvider";
            
            private final go.Seq.Ref ref;
            public Stub() {
                ref = go.Seq.createRef(this);
            }
            
            public go.Seq.Ref ref() { return ref; }
            
            public void call(int code, go.Seq in, go.Seq out) {
                switch (code) {
                case Proxy.CALL_BindToDevice: {
                    long param_fileDescriptor = in.readInt();
                    try {
                        this.BindToDevice(param_fileDescriptor);
                        out.writeUTF16(null);
                    } catch (Exception e) {
                        out.writeUTF16(e.getMessage());
                    }
                    return;
                }
                case Proxy.CALL_GetDnsServer: {
                    String result = this.GetDnsServer();
                    out.writeUTF16(result);
                    return;
                }
                case Proxy.CALL_HasNetworkConnectivity: {
                    long result = this.HasNetworkConnectivity();
                    out.writeInt(result);
                    return;
                }
                case Proxy.CALL_Notice: {
                    String param_noticeJSON = in.readUTF16();
                    this.Notice(param_noticeJSON);
                    return;
                }
                default:
                    throw new RuntimeException("unknown code: "+ code);
                }
            }
        }
        
        static final class Proxy implements PsiphonProvider {
            static final String DESCRIPTOR = Stub.DESCRIPTOR;
        
            private go.Seq.Ref ref;
        
            Proxy(go.Seq.Ref ref) { this.ref = ref; }
        
            public go.Seq.Ref ref() { return ref; }
        
            public void call(int code, go.Seq in, go.Seq out) {
                throw new RuntimeException("cycle: cannot call proxy");
            }
        
            public void BindToDevice(long fileDescriptor) throws Exception {
                go.Seq _in = new go.Seq();
                go.Seq _out = new go.Seq();
                _in.writeRef(ref);
                _in.writeInt(fileDescriptor);
                Seq.send(DESCRIPTOR, CALL_BindToDevice, _in, _out);
                String _err = _out.readUTF16();
                if (_err != null) {
                    throw new Exception(_err);
                }
            }
            
            public String GetDnsServer() {
                go.Seq _in = new go.Seq();
                go.Seq _out = new go.Seq();
                String _result;
                _in.writeRef(ref);
                Seq.send(DESCRIPTOR, CALL_GetDnsServer, _in, _out);
                _result = _out.readUTF16();
                return _result;
            }
            
            public long HasNetworkConnectivity() {
                go.Seq _in = new go.Seq();
                go.Seq _out = new go.Seq();
                long _result;
                _in.writeRef(ref);
                Seq.send(DESCRIPTOR, CALL_HasNetworkConnectivity, _in, _out);
                _result = _out.readInt();
                return _result;
            }
            
            public void Notice(String noticeJSON) {
                go.Seq _in = new go.Seq();
                go.Seq _out = new go.Seq();
                _in.writeRef(ref);
                _in.writeUTF16(noticeJSON);
                Seq.send(DESCRIPTOR, CALL_Notice, _in, _out);
            }
            
            static final int CALL_BindToDevice = 0x10a;
            static final int CALL_GetDnsServer = 0x20a;
            static final int CALL_HasNetworkConnectivity = 0x30a;
            static final int CALL_Notice = 0x40a;
        }
    }
    
    public static void Start(String configJson, String embeddedServerEntryList, PsiphonProvider provider) throws Exception {
        go.Seq _in = new go.Seq();
        go.Seq _out = new go.Seq();
        _in.writeUTF16(configJson);
        _in.writeUTF16(embeddedServerEntryList);
        _in.writeRef(provider.ref());
        Seq.send(DESCRIPTOR, CALL_Start, _in, _out);
        String _err = _out.readUTF16();
        if (_err != null) {
            throw new Exception(_err);
        }
    }
    
    public static void Stop() {
        go.Seq _in = new go.Seq();
        go.Seq _out = new go.Seq();
        Seq.send(DESCRIPTOR, CALL_Stop, _in, _out);
    }
    
    private static final int CALL_Start = 1;
    private static final int CALL_Stop = 2;
    private static final String DESCRIPTOR = "psi";
}