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Minor updates to Java ExampleApp and added select() to JNI layer

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This commit is contained in:
Joseph Henry
2018-09-06 11:08:06 -07:00
parent 6e06cb36ff
commit 84fcfd3baf
5 changed files with 109 additions and 24 deletions
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20
examples/java/ExampleApp.java
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@@ -30,13 +30,9 @@ import com.zerotier.libzt.ZeroTier;
import com.zerotier.libzt.ZTSocketAddress;
import com.zerotier.libzt.ZTFDSet;
//import java.net.*;
import java.lang.Thread;
public class ExampleApp {
public native int loadsymbols();
public native void startOneService();
static { System.loadLibrary("zt"); } // load libzt.dylib or libzt.so
@@ -143,11 +139,11 @@ public class ExampleApp {
return;
}
String echo_msg = "echo!";
w = zt.write(fd, echo_msg.getBytes(), echo_msg.length());
w = zt.write(fd, echo_msg.getBytes());
rxBuffer = new byte[100];
lengthToRead = 100;
System.out.println("reading bytes...");
r = zt.read(fd, rxBuffer, lengthToRead);
r = zt.read(fd, rxBuffer);
System.out.println("r="+r);
System.out.println("string="+new String(rxBuffer));
}
@@ -174,12 +170,12 @@ public class ExampleApp {
rxBuffer = new byte[100];
lengthToRead = 100;
System.out.println("reading bytes...");
r = zt.read(client_fd, rxBuffer, lengthToRead);
r = zt.read(client_fd, rxBuffer);
System.out.println("r="+r);
System.out.println("string="+new String(rxBuffer));
System.out.println("writing bytes...");
String echo_msg = "echo!";
w = zt.write(client_fd, echo_msg.getBytes(), echo_msg.length());
w = zt.write(client_fd, echo_msg.getBytes());
System.out.println("wrote (" + w + ") bytes");
}
}
@@ -204,14 +200,14 @@ public class ExampleApp {
if (loop) {
while (true) {
sleep(500);
if ((w = zt.sendto(fd, txBuffer, txBuffer.length, flags, remoteAddr)) < 0) {
if ((w = zt.sendto(fd, txBuffer, flags, remoteAddr)) < 0) {
System.out.println("error sending bytes");
} else {
System.out.println("sendto()=" + w);
}
}
} else {
if ((w = zt.sendto(fd, txBuffer, txBuffer.length, flags, remoteAddr)) < 0) {
if ((w = zt.sendto(fd, txBuffer, flags, remoteAddr)) < 0) {
System.out.println("error sending bytes");
} else {
System.out.println("sendto()=" + w);
@@ -252,7 +248,7 @@ public class ExampleApp {
if (master_set.ISSET(i))
{
System.out.println("attempting to read from: " + i);
r = zt.recvfrom(fd, rxBuffer, rxBuffer.length, flags, remoteAddr);
r = zt.recvfrom(fd, rxBuffer, flags, remoteAddr);
System.out.println("read (" + r + ") bytes from " + remoteAddr.toString() + ", buffer = " + new String(rxBuffer));
}
}
@@ -263,7 +259,7 @@ public class ExampleApp {
{
while(true) {
addr = new ZTSocketAddress();
r = zt.recvfrom(fd, rxBuffer, rxBuffer.length, flags, remoteAddr);
r = zt.recvfrom(fd, rxBuffer, flags, remoteAddr);
System.out.println("read (" + r + ") bytes from " + remoteAddr.toString() + ", buffer = " + new String(rxBuffer));
}
}