added java example
This commit is contained in:
Joseph Henry
205
examples/java/ZeroTierHelloWorld/src/zerotier/ZeroTier.java
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205
examples/java/ZeroTierHelloWorld/src/zerotier/ZeroTier.java
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/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2015 ZeroTier, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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package zerotier;
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import java.io.FileDescriptor;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.util.ArrayList;
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import java.util.zip.ZipError;
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public class ZeroTier {
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public static String Version()
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{
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return "1.2.2";
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}
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// Socket families
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public static int AF_UNIX = 1;
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public static int AF_INET = 2;
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// Socket types
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public static int SOCK_STREAM = 1;
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public static int SOCK_DGRAM = 2;
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// fcntl flags
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public static int O_APPEND = 1024;
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public static int O_NONBLOCK = 2048;
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public static int O_ASYNC = 8192;
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public static int O_DIRECT = 65536;
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public static int O_NOATIME = 262144;
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// fcntl cmds
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public static int F_GETFL = 3;
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public static int F_SETFL = 4;
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// Loads JNI code
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static { System.loadLibrary("zt"); }
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// ZeroTier service controls
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public native void ztjni_start(String homeDir);
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public void start(String homeDir) {
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ztjni_start(homeDir);
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}
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public native void ztjni_join(String nwid);
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public void join(String nwid) {
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ztjni_join(nwid);
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}
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public native void ztjni_leave(String nwid);
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public void leave(String nwid) {
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ztjni_leave(nwid);
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}
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public native ArrayList<String> ztjni_get_addresses(String nwid);
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public ArrayList<String> get_addresses(String nwid) {
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int err = -1;
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ArrayList<String> addresses;
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while (err < 0) {
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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}
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addresses = ztjni_get_addresses(nwid);
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if (addresses.size() > 0) {
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return addresses;
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}
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}
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return null;
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}
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public native boolean ztjni_running();
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public boolean running() {
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return ztjni_running();
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}
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public native int ztjni_socket(int family, int type, int protocol);
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public int socket(int family, int type, int protocol) {
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return ztjni_socket(family, type, protocol);
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}
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public native int ztjni_connect(int fd, String addr, int port);
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public int connect(int sock, Address zaddr, String nwid) {
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return connect(sock, zaddr.Address(), zaddr.Port(), nwid);
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}
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public int connect(int sock, String addr, int port, String nwid)
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{
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int err = -1;
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ArrayList<String> addresses;
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while (err < 0) {
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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}
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addresses = ztjni_get_addresses(nwid);
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if (addresses.size() > 0) {
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if(!addresses.get(0).startsWith("-1.-1.-1.-1/-1")) {
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err = ztjni_connect(sock, addr, port);
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}
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}
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}
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return err;
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}
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public native int ztjni_bind(int fd, String addr, int port);
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public int bind(int sock, Address zaddr, String nwid) {
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return bind(sock, zaddr.Address(), zaddr.Port(), nwid);
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}
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public int bind(int sock, String addr, int port, String nwid) {
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int err = -1;
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ArrayList<String> addresses;
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while (err < 0) {
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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}
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addresses = ztjni_get_addresses(nwid);
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if (addresses.size() > 0) {
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if(!addresses.get(0).startsWith("-1.-1.-1.-1/-1")) {
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err = ztjni_bind(sock, addr, port);
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}
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}
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}
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return err;
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}
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public native int ztjni_accept4(int fd, String addr, int port);
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public int accept4(int fd, String addr, int port) {
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return ztjni_accept4(fd,addr,port);
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}
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public native int ztjni_accept(int fd, zerotier.Address addr);
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public int accept(int fd, zerotier.Address addr) {
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return ztjni_accept(fd, addr);
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}
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public native int ztjni_listen(int fd, int backlog);
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public int listen(int fd, int backlog) {
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return ztjni_listen(fd,backlog);
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}
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public native int ztjni_close(int fd);
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public int close(int fd) {
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return ztjni_close(fd);
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}
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public native int ztjni_read(int fd, byte[] buf, int len);
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public int read(int fd, byte[] buf, int len) {
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return ztjni_read(fd, buf, len);
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}
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public native int ztjni_write(int fd, byte[] buf, int len);
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public int write(int fd, byte[] buf, int len) {
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return ztjni_write(fd, buf, len);
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}
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public native int ztjni_sendto(int fd, byte[] buf, int len, int flags, zerotier.Address addr);
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public int sendto(int fd, byte[] buf, int len, int flags, zerotier.Address addr){
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return ztjni_sendto(fd,buf,len,flags,addr);
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}
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public native int ztjni_send(int fd, byte[] buf, int len, int flags);
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public int send(int fd, byte[] buf, int len, int flags) {
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return ztjni_send(fd, buf, len, flags);
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}
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public native int ztjni_recvfrom(int fd, byte[] buf, int len, int flags, zerotier.Address addr);
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public int recvfrom(int fd, byte[] buf, int len, int flags, zerotier.Address addr){
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return ztjni_recvfrom(fd,buf,len,flags,addr);
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}
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public native int ztjni_fcntl(int sock, int cmd, int flag);
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public int fcntl(int sock, int cmd, int flag) {
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return ztjni_fcntl(sock, F_SETFL, O_NONBLOCK);
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}
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}
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