/*
This file is part of JOP, the Java Optimized Processor
see <http://www.jopdesign.com/>
Copyright (C) 2001-2008, Martin Schoeberl (martin@jopdesign.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package jbe;
import jbe.udpip.UdpIpLinkLayer;
import jbe.udpip.UdpIpLoopback;
import jbe.udpip.UdpIpNet;
import jbe.udpip.UdpIpPacket;
import jbe.udpip.UdpIpUdp;
import jbe.udpip.UdpIpUdpHandler;
/**
* Ejip.java: Benchmark with ejip TCP/IP stack.
*
* Author: Martin Schoeberl (martin@jopdesign.com)
*
*/
public class BenchUdpIp extends BenchMark {
static UdpIpNet net;
static UdpIpLinkLayer ipLink;
static boolean sent;
static int received;
static int a, b;
static int sum;
/**
* Start network.
*/
public BenchUdpIp() {
net = UdpIpNet.init();
ipLink = UdpIpLoopback.init();
UdpIpUdpHandler adder;
adder = new UdpIpUdpHandler() {
public void request(UdpIpPacket p) {
if (p.len != ((UdpIpUdp.DATA+1)<<2)) {
p.setStatus(UdpIpPacket.FREE);
} else {
p.buf[UdpIpUdp.DATA] += p.buf[UdpIpUdp.DATA+1];
p.len = (UdpIpUdp.DATA)<<2;
UdpIpUdp.build(p, (127<<24)+(0<<16)+(0<<8)+1, 5678);
}
}
};
UdpIpUdp.addHandler(1234, adder);
UdpIpUdpHandler result;
result = new UdpIpUdpHandler() {
public void request(UdpIpPacket p) {
if (p.len == ((UdpIpUdp.DATA)<<2)) {
sum = p.buf[UdpIpUdp.DATA];
}
sent = false;
++received;
p.setStatus(UdpIpPacket.FREE);
}
};
UdpIpUdp.addHandler(5678, result);
sent = false;
a = 0x1234;
b = 0xabcd;
sum = 1234;
}
public int test(int cnt) {
for (received=0; received<cnt;) {
request();
ipLink.loop();
net.loop();
}
return sum;
}
public void loop() {
request();
ipLink.loop();
net.loop();
}
private static void request() {
if (!sent) {
UdpIpPacket p = UdpIpPacket.getPacket(UdpIpPacket.FREE, UdpIpPacket.ALLOC, ipLink);
if (p == null) { // got no free buffer!
return;
}
p.buf[UdpIpUdp.DATA] = a;
p.buf[UdpIpUdp.DATA+1] = b;
p.len = (UdpIpUdp.DATA+1)<<2;
UdpIpUdp.build(p, (127<<24)+(0<<16)+(0<<8)+1, 1234);
sent = true;
// just generate new 'funny' values and use sum
a = (a<<1)^b;
b = (b<<1)^sum;
}
}
public String toString() {
return "UdpIp";
}
public static void main(String[] args) {
BenchMark bm = new BenchUdpIp();
Execute.perform(bm);
}
}