/** SKI ptest dumper. */
public void SKIPtestDumper() {
gen.start(); // Generate network traffic - async method
System.out.printf("tmpFile=%s\n", tmpFile.getAbsoluteFile());
Pcap pcap = Pcap.openLive(device, snaplen, promisc, oneSecond, errbuf);
assertNotNull(errbuf.toString(), pcap);
PcapDumper dumper = pcap.dumpOpen(tmpFile.getAbsolutePath());
assertNotNull(pcap.getErr(), dumper);
PcapHandler<PcapDumper> dumpHandler =
new PcapHandler<PcapDumper>() {
public void nextPacket(
PcapDumper dumper,
long seconds,
int useconds,
int caplen,
int len,
ByteBuffer buffer) {
dumper.dump(seconds, useconds, caplen, len, buffer);
}
};
pcap.loop(10, dumpHandler, dumper);
assertTrue("Empty dump file " + tmpFile.getAbsolutePath(), tmpFile.length() > 0);
// System.out.printf("Temp dumpfile size=%s\n", tmpFile.length());
pcap.close();
}
/** Test open live and loop with breakloop. */
public void testOpenLiveAndLoopWithBreakloop() {
Pcap pcap = Pcap.openLive(device, 10000, 1, 60 * 1000, errbuf);
assertNotNull(errbuf.toString(), pcap);
PcapHandler<String> handler =
new PcapHandler<String>() {
public void nextPacket(
String user, long seconds, int useconds, int caplen, int len, ByteBuffer buffer) {
// System.out.printf("%s, ts=%s caplen=%d len=%d capacity=%d\n", user
// .toString(), new Date(seconds * 1000).toString(), caplen, len,
// buffer.capacity());
}
};
pcap.breakloop(); // Should cause it to exit immediately
assertEquals(
"Error code does not indicate breakloop interrupted the loop when it should have",
-2,
pcap.loop(10, handler, "Hello"));
pcap.close();
}
/** Test set and get nonblock. */
public void testSetAndGetNonblock() {
Pcap pcap = Pcap.openLive(device, 10000, 1, 60 * 1000, errbuf);
assertNotNull(errbuf.toString(), pcap);
assertEquals(OK, pcap.getNonBlock(errbuf));
pcap.close();
}
/** Test pcap open live null ptr handling. */
public void testPcapOpenLiveNullPtrHandling() {
try {
Pcap.openLive(null, 1, 1, 1, null);
fail("Expected a NULL pointer exception.");
} catch (NullPointerException e) {
// OK
}
}
/**
* Test errbuf.
*
* @throws SocketException the socket exception
* @throws InterruptedException the interrupted exception
*/
public void testErrbuf() throws SocketException, InterruptedException {
// Test using a bogus device name that's sure to fail
errbuf.append("def"); // Set dummy message and it should be replaced
Pcap pcap = Pcap.openLive("abc", 101, 1, 60, errbuf);
assertNull(pcap);
assertFalse(
"Our pre-initialized error message should have been cleared",
"def".equals(errbuf.toString()));
assertTrue("Error buffer should contain an error message", errbuf.length() != 0);
}
/** _test stats. */
public void _testStats() {
PcapStat stats = new PcapStat();
Pcap pcap = Pcap.openLive(device, snaplen, promisc, oneSecond, errbuf);
assertNotNull(errbuf.toString(), pcap);
pcap.loop(5, doNothingHandler, null);
pcap.stats(stats);
// System.out.printf("stats=%s\n", stats.toString());
pcap.loop(5, doNothingHandler, null);
pcap.stats(stats);
// System.out.printf("stats=%s\n", stats.toString());
pcap.close();
}
/**
* Test open live and datalink and close.
*
* @throws SocketException the socket exception
* @throws InterruptedException the interrupted exception
*/
public void testOpenLiveAndDatalinkAndClose() throws SocketException, InterruptedException {
// System.out.println(System.getProperty("os.name"));
Pcap pcap = Pcap.openLive(device, 101, 1, 60, errbuf);
assertNotNull(errbuf.toString(), pcap);
// Physical field initialized from JNI space
assertFalse("0".equals(pcap.toString()));
// Check linklayer 1 is for DLT_EN10MB
// assertEquals(113, pcap.datalink());
pcap.close();
try {
pcap.close();
fail();
} catch (IllegalStateException e) {
// Expecting this exception on second call to close()
}
}
/**
* Test disabled, as it requires live packets to capture. To enable the test just rename the
* method, by removing the prefix SKIP. Then make sure there are live packets to be captured.
*/
public void SKIPtestOpenLiveAndDispatch() {
Pcap pcap = Pcap.openLive(device, 10000, 1, 60 * 1000, errbuf);
assertNotNull(errbuf.toString(), pcap);
PcapHandler<String> handler =
new PcapHandler<String>() {
public void nextPacket(
String user, long seconds, int useconds, int caplen, int len, ByteBuffer buffer) {
// System.out.printf("%s, ts=%s caplen=%d len=%d capacity=%d\n", user
// .toString(), new Date(seconds * 1000).toString(), caplen, len,
// buffer.capacity());
}
};
pcap.dispatch(10, handler, "Hello");
pcap.close();
}