mirror
/
devilutionX-libzt
mirror of https://github.com/diasurgical/libzt.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Updated java example

pull/1/head
Joseph Henry 8 years ago
parent
dd1ff7eb55
commit
f765e29027
5 changed files with 105 additions and 47 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 104
      examples/java/ExampleApp.java
  2. 28
      examples/java/com/zerotier/libzt/ZTFDSet.java
  3. 17
      examples/java/com/zerotier/libzt/ZTSocketAddress.java
  4. 3
      examples/java/com/zerotier/libzt/ZeroTier.java
  5. BIN
      examples/java/libzt.jar

104
examples/java/ExampleApp.java
Unescape View File

@ -26,8 +26,11 @@
// Simple Java example for libzt using JNI // Simple Java example for libzt using JNI
import zerotier.*; import com.zerotier.libzt.ZeroTier;
import java.net.*; import com.zerotier.libzt.ZTSocketAddress;
import com.zerotier.libzt.ZTFDSet;
//import java.net.*;
import java.lang.Thread; import java.lang.Thread;
public class ExampleApp { public class ExampleApp {
@ -46,14 +49,14 @@ public class ExampleApp {
public static void main(String[] args) public static void main(String[] args)
{ {
final ZeroTier libzt = new ZeroTier(); final ZeroTier zt = new ZeroTier();
new Thread(new Runnable() new Thread(new Runnable()
{ {
public void run() public void run()
{ {
String path = "/Users/joseph/op/zt/libzt/ztjni"; // Where node's config files are stored String path = "/Users/joseph/op/zt/libzt/ztjni"; // Where node's config files are stored
long nwid = 0xa09acf0233e4b070L; long nwid = 0xa09acf7233e4b071L;
// Test modes // Test modes
boolean blocking_start_call = true; boolean blocking_start_call = true;
@ -61,6 +64,7 @@ public class ExampleApp {
boolean tcp = false; boolean tcp = false;
boolean loop = true; // RX/TX multiple times boolean loop = true; // RX/TX multiple times
boolean idle = false; // Idle loop after node comes online. For testing reachability boolean idle = false; // Idle loop after node comes online. For testing reachability
boolean use_select = true;
int fd = -1, client_fd = -1, err, r, w, lengthToRead = 0, flags = 0; int fd = -1, client_fd = -1, err, r, w, lengthToRead = 0, flags = 0;
byte[] rxBuffer; byte[] rxBuffer;
@ -77,14 +81,14 @@ public class ExampleApp {
// Blocking call that waits for all components of the service to start // Blocking call that waits for all components of the service to start
System.out.println("Starting ZT service..."); System.out.println("Starting ZT service...");
if (blocking_start_call) { if (blocking_start_call) {
libzt.startjoin(path, nwid); zt.startjoin(path, nwid);
} }
// METHOD 2 // METHOD 2
// Optional. Non-blocking call to start service. You'll have to use the below process to determine // Optional. Non-blocking call to start service. You'll have to use the below process to determine
// when you are allowed to start making socket calls. // when you are allowed to start making socket calls.
if (!blocking_start_call) { if (!blocking_start_call) {
libzt.start(path, true); zt.start(path, true);
while(!libzt.ready()) { while(!zt.ready()) {
try { // Wait for core service to start try { // Wait for core service to start
Thread.sleep(250); Thread.sleep(250);
} }
@ -93,9 +97,9 @@ public class ExampleApp {
} }
} }
System.out.println("Core started. Networks can be joined after this point"); System.out.println("Core started. Networks can be joined after this point");
libzt.join(nwid); zt.join(nwid);
// Wait for userspace stack to start, we trigger this by joining a network // Wait for userspace stack to start, we trigger this by joining a network
while(!libzt.stack_running()) { while(!zt.stack_running()) {
try { try {
Thread.sleep(1000); Thread.sleep(1000);
} }
@ -106,18 +110,18 @@ public class ExampleApp {
} }
System.out.println("ZT service ready."); System.out.println("ZT service ready.");
// Device/Node address info // Device/Node address info
System.out.println("path=" + libzt.get_path()); System.out.println("path=" + zt.get_path());
long nodeId = libzt.get_node_id(); long nodeId = zt.get_node_id();
System.out.println("nodeId=" + Long.toHexString(nodeId)); System.out.println("nodeId=" + Long.toHexString(nodeId));
int numAddresses = libzt.get_num_assigned_addresses(nwid); int numAddresses = zt.get_num_assigned_addresses(nwid);
System.out.println("this node has (" + numAddresses + ") assigned addresses on network " + Long.toHexString(nwid)); System.out.println("this node has (" + numAddresses + ") assigned addresses on network " + Long.toHexString(nwid));
for (int i=0; i<numAddresses; i++) { for (int i=0; i<numAddresses; i++) {
libzt.get_address_at_index(nwid, i, sockname); zt.get_address_at_index(nwid, i, sockname);
//System.out.println("address[" + i + "] = " + sockname.toString()); // ip:port //System.out.println("address[" + i + "] = " + sockname.toString()); // ip:port
System.out.println("address[" + i + "] = " + sockname.toCIDR()); System.out.println("address[" + i + "] = " + sockname.toCIDR());
} }
libzt.get_6plane_addr(nwid, nodeId, sockname); zt.get_6plane_addr(nwid, nodeId, sockname);
System.out.println("6PLANE address = " + sockname.toCIDR()); System.out.println("6PLANE address = " + sockname.toCIDR());
// Idle loop test // Idle loop test
@ -126,7 +130,7 @@ public class ExampleApp {
// TCP // TCP
if (tcp) { if (tcp) {
System.out.println("mode:tcp"); System.out.println("mode:tcp");
if ((fd = libzt.socket(libzt.AF_INET, libzt.SOCK_STREAM, 0)) < 0) { if ((fd = zt.socket(zt.AF_INET, zt.SOCK_STREAM, 0)) < 0) {
System.out.println("error creating socket"); System.out.println("error creating socket");
return; return;
} }
@ -134,16 +138,16 @@ public class ExampleApp {
if (client_mode) { if (client_mode) {
System.out.println("mode:client"); System.out.println("mode:client");
remoteAddr = new ZTSocketAddress(remoteAddrStr, portNo); remoteAddr = new ZTSocketAddress(remoteAddrStr, portNo);
if ((err = libzt.connect(fd, remoteAddr)) < 0) { if ((err = zt.connect(fd, remoteAddr)) < 0) {
System.out.println("error connecting (err=" + err + ")"); System.out.println("error connecting (err=" + err + ")");
return; return;
} }
String echo_msg = "echo!"; String echo_msg = "echo!";
w = libzt.write(fd, echo_msg.getBytes(), echo_msg.length()); w = zt.write(fd, echo_msg.getBytes(), echo_msg.length());
rxBuffer = new byte[100]; rxBuffer = new byte[100];
lengthToRead = 100; lengthToRead = 100;
System.out.println("reading bytes..."); System.out.println("reading bytes...");
r = libzt.read(fd, rxBuffer, lengthToRead); r = zt.read(fd, rxBuffer, lengthToRead);
System.out.println("r="+r); System.out.println("r="+r);
System.out.println("string="+new String(rxBuffer)); System.out.println("string="+new String(rxBuffer));
} }
@ -153,16 +157,16 @@ public class ExampleApp {
System.out.println("mode:server"); System.out.println("mode:server");
localAddr = new ZTSocketAddress(localAddrStr, portNo); localAddr = new ZTSocketAddress(localAddrStr, portNo);
if ((err = libzt.bind(fd, localAddr)) < 0) { if ((err = zt.bind(fd, localAddr)) < 0) {
System.out.println("error binding socket to virtual interface"); System.out.println("error binding socket to virtual interface");
return; return;
} if ((err = libzt.listen(fd, 1)) < 0) { } if ((err = zt.listen(fd, 1)) < 0) {
System.out.println("error putting socket into listening state"); System.out.println("error putting socket into listening state");
return; return;
} }
remoteAddr = new ZTSocketAddress(localAddrStr, 0); remoteAddr = new ZTSocketAddress(localAddrStr, 0);
client_fd = -1; client_fd = -1;
if ((client_fd = libzt.accept(fd, remoteAddr)) < 0) { if ((client_fd = zt.accept(fd, remoteAddr)) < 0) {
System.out.println("error accepting incoming connection (err=" + client_fd + ")"); System.out.println("error accepting incoming connection (err=" + client_fd + ")");
return; return;
} }
@ -170,12 +174,12 @@ public class ExampleApp {
rxBuffer = new byte[100]; rxBuffer = new byte[100];
lengthToRead = 100; lengthToRead = 100;
System.out.println("reading bytes..."); System.out.println("reading bytes...");
r = libzt.read(client_fd, rxBuffer, lengthToRead); r = zt.read(client_fd, rxBuffer, lengthToRead);
System.out.println("r="+r); System.out.println("r="+r);
System.out.println("string="+new String(rxBuffer)); System.out.println("string="+new String(rxBuffer));
System.out.println("writing bytes..."); System.out.println("writing bytes...");
String echo_msg = "echo!"; String echo_msg = "echo!";
w = libzt.write(client_fd, echo_msg.getBytes(), echo_msg.length()); w = zt.write(client_fd, echo_msg.getBytes(), echo_msg.length());
System.out.println("wrote (" + w + ") bytes"); System.out.println("wrote (" + w + ") bytes");
} }
} }
@ -183,7 +187,7 @@ public class ExampleApp {
// UDP // UDP
if (!tcp) { if (!tcp) {
System.out.println("mode:udp"); System.out.println("mode:udp");
if ((fd = libzt.socket(libzt.AF_INET, libzt.SOCK_DGRAM, 0)) < 0) { if ((fd = zt.socket(zt.AF_INET, zt.SOCK_DGRAM, 0)) < 0) {
System.out.println("error creating socket"); System.out.println("error creating socket");
return; return;
} }
@ -191,7 +195,7 @@ public class ExampleApp {
if (client_mode) { if (client_mode) {
System.out.println("mode:client"); System.out.println("mode:client");
localAddr = new ZTSocketAddress(localAddrStr, portNo); localAddr = new ZTSocketAddress(localAddrStr, portNo);
if ((err = libzt.bind(fd, localAddr)) < 0) { if ((err = zt.bind(fd, localAddr)) < 0) {
System.out.println("error binding socket to virtual interface"); System.out.println("error binding socket to virtual interface");
return; return;
} }
@ -200,14 +204,14 @@ public class ExampleApp {
if (loop) { if (loop) {
while (true) { while (true) {
sleep(500); sleep(500);
if ((w = libzt.sendto(fd, txBuffer, txBuffer.length, flags, remoteAddr)) < 0) { if ((w = zt.sendto(fd, txBuffer, txBuffer.length, flags, remoteAddr)) < 0) {
System.out.println("error sending bytes"); System.out.println("error sending bytes");
} else { } else {
System.out.println("sendto()=" + w); System.out.println("sendto()=" + w);
} }
} }
} else { } else {
if ((w = libzt.sendto(fd, txBuffer, txBuffer.length, flags, remoteAddr)) < 0) { if ((w = zt.sendto(fd, txBuffer, txBuffer.length, flags, remoteAddr)) < 0) {
System.out.println("error sending bytes"); System.out.println("error sending bytes");
} else { } else {
System.out.println("sendto()=" + w); System.out.println("sendto()=" + w);
@ -219,23 +223,55 @@ public class ExampleApp {
System.out.println("mode:server"); System.out.println("mode:server");
localAddr = new ZTSocketAddress(localAddrStr, portNo); localAddr = new ZTSocketAddress(localAddrStr, portNo);
System.out.println("binding to " + localAddr.toString()); System.out.println("binding to " + localAddr.toString());
if ((err = libzt.bind(fd, localAddr)) < 0) { if ((err = zt.bind(fd, localAddr)) < 0) {
System.out.println("error binding socket to virtual interface"); System.out.println("error binding socket to virtual interface");
return; return;
} }
rxBuffer = new byte[100]; rxBuffer = new byte[100];
remoteAddr = new ZTSocketAddress("-1.-1.-1.-1", 0); remoteAddr = new ZTSocketAddress("-1.-1.-1.-1", 0);
while(true) {
addr = new ZTSocketAddress(); // select() loop
r = libzt.recvfrom(fd, rxBuffer, rxBuffer.length, flags, remoteAddr); ZTFDSet master_set = new ZTFDSet();
System.out.println("read (" + r + ") bytes from " + remoteAddr.toString() + ", buffer = " + new String(rxBuffer)); master_set.ZERO();
master_set.SET(fd);
int nfds = fd + 1;
if (use_select)
{
while(true)
{
err = zt.select(nfds, master_set, null, null, 0, 100000);
if (err < 0) {
System.out.println("select failed");
} if (err == 0) {
System.out.println("select timed out");
} if (err > 0) {
System.out.println("select detected something to read on");
for (int i = 0; i < nfds; i++)
{
if (master_set.ISSET(i))
{
System.out.println("attempting to read from: " + i);
r = zt.recvfrom(fd, rxBuffer, rxBuffer.length, flags, remoteAddr);
System.out.println("read (" + r + ") bytes from " + remoteAddr.toString() + ", buffer = " + new String(rxBuffer));
}
}
}
}
}
if (!use_select)
{
while(true) {
addr = new ZTSocketAddress();
r = zt.recvfrom(fd, rxBuffer, rxBuffer.length, flags, remoteAddr);
System.out.println("read (" + r + ") bytes from " + remoteAddr.toString() + ", buffer = " + new String(rxBuffer));
}
} }
} }
} }
libzt.close(client_fd); zt.close(client_fd);
libzt.close(fd); zt.close(fd);
} }
}).start(); }).start();

28
examples/java/zerotier/ZTFD.java → examples/java/com/zerotier/libzt/ZTFDSet.java
Unescape View File

@ -24,9 +24,31 @@
* of your own application. * of your own application.
*/ */
package zerotier; package com.zerotier.libzt;
public class fd_set public class ZTFDSet
{ {
byte[] fds_bits[1024 / 8]; byte[] fds_bits = new byte[1024];
public void CLR(int fd)
{
fds_bits[fd] = 0x00;
}
public boolean ISSET(int fd)
{
return fds_bits[fd] == 0x01;
}
public void SET(int fd)
{
fds_bits[fd] = 0x01;
}
public void ZERO()
{
for (int i=0; i<1024; i++) {
fds_bits[i] = 0x00;
}
}
} }

17
examples/java/zerotier/ZTSocketAddress.java → examples/java/com/zerotier/libzt/ZTSocketAddress.java
Unescape View File

@ -24,9 +24,11 @@
* of your own application. * of your own application.
*/ */
package zerotier; package com.zerotier.libzt;
import java.net.*; import com.zerotier.libzt.ZeroTier;
import java.net.InetAddress;
// Designed to transport address information across the JNI boundary // Designed to transport address information across the JNI boundary
public class ZTSocketAddress public class ZTSocketAddress
@ -34,9 +36,6 @@ public class ZTSocketAddress
public byte[] _ip6 = new byte[16]; public byte[] _ip6 = new byte[16];
public byte[] _ip4 = new byte[4]; public byte[] _ip4 = new byte[4];
public long _ipdata;
public long _ipdata_ext;
public int _family; public int _family;
public int _port; // Also reused for netmask or prefix public int _port; // Also reused for netmask or prefix
@ -45,7 +44,7 @@ public class ZTSocketAddress
public ZTSocketAddress(String ipStr, int port) public ZTSocketAddress(String ipStr, int port)
{ {
if(ipStr.contains(":")) { if(ipStr.contains(":")) {
_family = zerotier.ZeroTier.AF_INET6; _family = ZeroTier.AF_INET6;
try { try {
InetAddress ip = InetAddress.getByName(ipStr); InetAddress ip = InetAddress.getByName(ipStr);
_ip6 = ip.getAddress(); _ip6 = ip.getAddress();
@ -53,7 +52,7 @@ public class ZTSocketAddress
catch (Exception e) { } catch (Exception e) { }
} }
else if(ipStr.contains(".")) { else if(ipStr.contains(".")) {
_family = zerotier.ZeroTier.AF_INET; _family = ZeroTier.AF_INET;
try { try {
InetAddress ip = InetAddress.getByName(ipStr); InetAddress ip = InetAddress.getByName(ipStr);
_ip4 = ip.getAddress(); _ip4 = ip.getAddress();
@ -69,7 +68,7 @@ public class ZTSocketAddress
private String ipString() private String ipString()
{ {
if (_family == zerotier.ZeroTier.AF_INET) { if (_family == ZeroTier.AF_INET) {
try { try {
InetAddress inet = InetAddress.getByAddress(_ip4); InetAddress inet = InetAddress.getByAddress(_ip4);
return "" + inet.getHostAddress(); return "" + inet.getHostAddress();
@ -77,7 +76,7 @@ public class ZTSocketAddress
System.out.println(e); System.out.println(e);
} }
} }
if (_family == zerotier.ZeroTier.AF_INET6) { if (_family == ZeroTier.AF_INET6) {
try { try {
InetAddress inet = InetAddress.getByAddress(_ip6); InetAddress inet = InetAddress.getByAddress(_ip6);
return "" + inet.getHostAddress(); return "" + inet.getHostAddress();

3
examples/java/zerotier/ZeroTier.java → examples/java/com/zerotier/libzt/ZeroTier.java
Unescape View File

@ -24,7 +24,7 @@
* of your own application. * of your own application.
*/ */
package zerotier; package com.zerotier.libzt;
import java.net.*; import java.net.*;
@ -78,4 +78,5 @@ public class ZeroTier {
public native boolean getsockname(int fd, ZTSocketAddress addr); public native boolean getsockname(int fd, ZTSocketAddress addr);
public native int getpeername(int fd, ZTSocketAddress addr); public native int getpeername(int fd, ZTSocketAddress addr);
public native int fcntl(int sock, int cmd, int flag); public native int fcntl(int sock, int cmd, int flag);
public native int select(int nfds, ZTFDSet readfds, ZTFDSet writefds, ZTFDSet exceptfds, int timeout_sec, int timeout_usec);
} }

BIN
examples/java/libzt.jar
View File

Binary file not shown.
Write Preview
Loading…
Cancel
Save