/*
* Copyright 2014 Luc Willems (T.M.M.)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package org.it4y.jni;
import org.it4y.jni.linux.socket;
import org.junit.Assert;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.nio.ByteOrder;
/**
* Created by luc on 1/9/14.
*/
public class libcTest {
Logger log= LoggerFactory.getLogger(libcTest.class);
private byte[] sockaddr_in_test={(byte)0x02,(byte)0x00,(byte)0xfe,(byte)0xff,
(byte)0x7F,(byte)0x00,(byte)0x00,(byte)0x03,
(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00,
(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00};
@Test
public void testNtol() throws Exception {
log.info("System endian: {}", ByteOrder.nativeOrder());
/* convert 32 bits from network to local format */
int x=0x44332211;
Assert.assertEquals(0x11223344,libc.ntohi(x));
x=0xffeeddcc;
Assert.assertEquals(0xccddeeff,libc.ntohi(x));
}
@Test
public void testToInetAddress() throws Exception {
InetAddress ip=libc.toInetAddress(0x01020304);
Assert.assertNotNull(ip);
Assert.assertEquals("/1.2.3.4", ip.toString());
ip=libc.toInetAddress(0xfffffffe);
Assert.assertNotNull(ip);
Assert.assertEquals("/255.255.255.254", ip.toString());
}
@Test
public void testin_addr() throws Exception {
libc.in_addr a;
a=new libc.in_addr();
Assert.assertEquals(0, a.address);
a=new libc.in_addr(0x01020304);
Assert.assertEquals(0x01020304, a.address);
InetAddress ax=a.toInetAddress();
Assert.assertNotNull(ax);
Assert.assertEquals("/1.2.3.4", ax.toString());
Assert.assertEquals("0x01020304",a.toString());
a=new libc.in_addr(0xfffffffe);
Assert.assertEquals(0xfffffffe, a.address);
ax=a.toInetAddress();
Assert.assertNotNull(ax);
Assert.assertEquals("/255.255.255.254", ax.toString());
Assert.assertEquals("0xfffffffe",a.toString());
}
@Test
public void testSockaddr_in() throws Exception {
libc.sockaddr_in sa;
sa=new libc.sockaddr_in(0, (short) 0, socket.AF_INET);
Assert.assertNotNull(sa);
Assert.assertEquals(0, sa.address);
Assert.assertEquals(0, sa.port);
Assert.assertEquals(socket.AF_INET,sa.family);
sa=new libc.sockaddr_in(0x01020304, (short) 0x1234,socket.AF_INET);
Assert.assertEquals(0x01020304, sa.address);
Assert.assertEquals(0x1234,sa.port);
Assert.assertEquals(10,socket.AF_INET6);
sa=new libc.sockaddr_in(0x7f000001, (short) 0xffff,socket.AF_INET);
Assert.assertEquals(0x7f000001, sa.address);
Assert.assertEquals((short)0xffff,sa.port);
Assert.assertEquals(socket.AF_INET,sa.family);
InetSocketAddress isa=sa.toInetSocketAddress();
Assert.assertNotNull(isa);
Assert.assertEquals("/127.0.0.1:65535",isa.toString());
Assert.assertEquals("0x7f000001:65535",sa.toString());
sa=new libc.sockaddr_in(0xAABBCCDD, (short) 0xffff,socket.AF_INET);
Assert.assertEquals(0xAABBCCDD, sa.address);
Assert.assertEquals((short)0xffff,sa.port);
Assert.assertEquals(socket.AF_INET,sa.family);
isa=sa.toInetSocketAddress();
Assert.assertNotNull(isa);
Assert.assertEquals("/170.187.204.221:65535",isa.toString());
Assert.assertEquals("0xaabbccdd:65535",sa.toString());
sa=new libc.sockaddr_in(0xfffffffe, (short) 0xffff,socket.AF_INET);
Assert.assertEquals(0xfffffffe, sa.address);
Assert.assertEquals((short)0xffff,sa.port);
Assert.assertEquals(socket.AF_INET,sa.family);
isa=sa.toInetSocketAddress();
Assert.assertNotNull(isa);
Assert.assertEquals("/255.255.255.254:65535",isa.toString());
Assert.assertEquals("0xfffffffe:65535",sa.toString());
InetAddress ia=sa.toInetAddress();
Assert.assertNotNull(ia);
Assert.assertEquals("/255.255.255.254",ia.toString());
sa=new libc.sockaddr_in(sockaddr_in_test);
Assert.assertEquals(0x7f000003, sa.address);
log.info("{}",Integer.toHexString(sa.port));
Assert.assertEquals((short)0xfffe,sa.port);
Assert.assertEquals(socket.AF_INET,sa.family);
InetAddress iax=sa.toInetAddress();
Assert.assertEquals("/127.0.0.3",iax.toString());
InetSocketAddress isax=sa.toInetSocketAddress();
Assert.assertEquals("/127.0.0.3:65534",isax.toString());
sa=new libc.sockaddr_in(isax);
Assert.assertEquals(0x7f000003, sa.address);
Assert.assertEquals((short)0xfffe,sa.port);
Assert.assertEquals(socket.AF_INET,sa.family);
Assert.assertEquals("0x7f000003:65534",sa.toString());
sa=new libc.sockaddr_in(iax);
Assert.assertEquals(0x7f000003, sa.address);
Assert.assertEquals((short)0,sa.port);
Assert.assertEquals(socket.AF_INET,sa.family);
Assert.assertEquals("0x7f000003:0",sa.toString());
}
@Test
public void testTCPInfo() {
libc.tcp_info tcp_info = new libc.tcp_info();
Assert.assertNotNull(tcp_info);
StringBuilder s=new StringBuilder();
s.append("state:0 ca_state:0").append("\n ");
s.append("retransmits:0 probes:0 backoff:0 options:0").append("\n ");
s.append("snd_wscale:0 rcv_wscale:0 rto:0 ato:0 snd_mss:0 rcv_mss:0").append("\n ");
s.append("unacked:0 sacked:0 lost:0 retrans:0 fackets:0").append("\n ");
s.append("last_data_sent:0 last_ack_sent:0").append("\n ");
s.append("last_data_recv:0 last_ack_recv:0").append("\n ");
s.append("pmtu:0 rcv_ssthresh:0 rtt:0 rttvar:0 snd_ssthresh:0 snd_cwnd:0 advmss:0").append("\n ");
s.append("reordering:0 rcv_rtt:0 rcv_space:0").append("\n ");
s.append("total_retrans:0");
Assert.assertEquals(s.toString(),tcp_info.toString());
//set some dummy data. make sure we do not have uint -> int conversion issues
tcp_info.setdata(
(byte)0xff, // tcpi_state,
(byte)0xff, // tcpi_ca_state,
(byte)0xff, // tcpi_retransmits,
(byte)0xff, // tcpi_probes,
(byte)0xff, // tcpi_backoff,
(byte)0xff, // tcpi_options,
(byte)0xff, // tcpi_snd_wscale,
(byte)0xff, // tcpi_rcv_wscale,
0xffff,// tcpi_rto,
0xffff,// tcpi_ato,
0xffff,// tcpi_snd_mss,
0xffff,// tcpi_rcv_mss,
0xffff,// tcpi_unacked,
0xffff,// tcpi_sacked,
0xffff,// tcpi_lost,
0xffff,// tcpi_retrans,
0xffff,// tcpi_fackets,
0xffff,// tcpi_last_data_sent,
0xffff,// tcpi_last_ack_sent,
0xffff,// tcpi_last_data_recv,
0xffff,// tcpi_last_ack_recv,
0xffff,// tcpi_pmtu,
0xffff,// tcpi_rcv_ssthresh,
0xffff,// tcpi_rtt,
0xffff,// tcpi_rttvar,
0xffff,// tcpi_snd_ssthresh,
0xffff,// tcpi_snd_cwnd,
0xffff,// tcpi_advmss,
0xffff,// tcpi_reordering,
0xffff,// tcpi_rcv_rtt,
0xffff,// tcpi_rcv_space,
0xffff// tcpi_total_retrans
);
s=new StringBuilder();
s.append("state:255 ca_state:255").append("\n ");
s.append("retransmits:255 probes:255 backoff:255 options:255").append("\n ");
s.append("snd_wscale:255 rcv_wscale:255 rto:65535 ato:65535 snd_mss:65535 rcv_mss:65535").append("\n ");
s.append("unacked:65535 sacked:65535 lost:65535 retrans:65535 fackets:65535").append("\n ");
s.append("last_data_sent:65535 last_ack_sent:65535").append("\n ");
s.append("last_data_recv:65535 last_ack_recv:65535").append("\n ");
s.append("pmtu:65535 rcv_ssthresh:65535 rtt:65535 rttvar:65535 snd_ssthresh:65535 snd_cwnd:65535 advmss:65535").append("\n ");
s.append("reordering:65535 rcv_rtt:65535 rcv_space:65535").append("\n ");
s.append("total_retrans:65535");
Assert.assertEquals(s.toString(),tcp_info.toString());
}
}
