private static void scScatter() throws Exception {
Pipe p = Pipe.open();
Pipe.SinkChannel sink = p.sink();
Pipe.SourceChannel source = p.source();
sink.configureBlocking(false);
ByteBuffer outgoingdata = ByteBuffer.allocateDirect(30);
byte[] someBytes = new byte[30];
generator.nextBytes(someBytes);
outgoingdata.put(someBytes);
outgoingdata.flip();
int totalWritten = 0;
while (totalWritten < 30) {
int written = sink.write(outgoingdata);
if (written < 0) throw new Exception("Write failed");
totalWritten += written;
}
ByteBuffer[] bufs = new ByteBuffer[3];
for (int i = 0; i < 3; i++) bufs[i] = ByteBuffer.allocateDirect(10);
long numBytesRead = source.read(bufs);
if (numBytesRead < 30) throw new Exception("Pipe test failed");
sink.close();
source.close();
}
public static void main(String[] args) throws Exception {
File blah = File.createTempFile("blah", null);
blah.deleteOnExit();
ByteBuffer[] dstBuffers = new ByteBuffer[10];
for (int i = 0; i < 10; i++) {
dstBuffers[i] = ByteBuffer.allocateDirect(10);
dstBuffers[i].position(10);
}
FileInputStream fis = new FileInputStream(blah);
FileChannel fc = fis.getChannel();
// No space left in buffers, this should return 0
long bytesRead = fc.read(dstBuffers);
if (bytesRead != 0) throw new RuntimeException("Nonzero return from read");
fc.close();
fis.close();
}
private static WAVData readFromStream(AudioInputStream aIn)
throws UnsupportedAudioFileException, IOException {
ReadableByteChannel aChannel = Channels.newChannel(aIn);
AudioFormat fmt = aIn.getFormat();
int numChannels = fmt.getChannels();
int bits = fmt.getSampleSizeInBits();
int format = AL_FORMAT_MONO8;
if ((bits == 8) && (numChannels == 1)) {
format = AL_FORMAT_MONO8;
} else if ((bits == 16) && (numChannels == 1)) {
format = AL_FORMAT_MONO16;
} else if ((bits == 8) && (numChannels == 2)) {
format = AL_FORMAT_STEREO8;
} else if ((bits == 16) && (numChannels == 2)) {
format = AL_FORMAT_STEREO16;
}
int freq = Math.round(fmt.getSampleRate());
int size = aIn.available();
ByteBuffer buffer = ByteBuffer.allocateDirect(size);
while (buffer.remaining() > 0) {
aChannel.read(buffer);
}
buffer.rewind();
// Must byte swap on big endian platforms
// Thanks to swpalmer on javagaming.org forums for hint at fix
if ((bits == 16) && (ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN)) {
int len = buffer.remaining();
for (int i = 0; i < len; i += 2) {
byte a = buffer.get(i);
byte b = buffer.get(i + 1);
buffer.put(i, b);
buffer.put(i + 1, a);
}
}
WAVData result = new WAVData(buffer, format, size, freq, false);
aIn.close();
return result;
}
static class ClientInfo {
ByteBuffer inBuf = ByteBuffer.allocateDirect(512);
ByteBuffer outBuf = ByteBuffer.allocateDirect(512);
boolean outputPending = false;
SocketChannel channel;
}
public class Refused {
static ByteBuffer outBuf = ByteBuffer.allocateDirect(100);
static ByteBuffer inBuf = ByteBuffer.allocateDirect(100);
static DatagramChannel client;
static DatagramChannel server;
static InetSocketAddress isa;
public static void main(String[] args) throws Exception {
outBuf.put("Blah Blah".getBytes());
outBuf.flip();
test1();
// This test has been disabled because there are many circumstances
// under which no ICMP port unreachable packets are received
// See http://java.sun.com/j2se/1.4/networking-relnotes.html
if ((args.length > 0) && (args[0].equals("test2"))) {
outBuf.rewind();
test2();
}
}
public static void setup() throws Exception {
client = DatagramChannel.open();
server = DatagramChannel.open();
client.socket().bind((SocketAddress) null);
server.socket().bind((SocketAddress) null);
client.configureBlocking(false);
server.configureBlocking(false);
InetAddress address = InetAddress.getLocalHost();
int port = client.socket().getLocalPort();
isa = new InetSocketAddress(address, port);
}
// Since this is not connected no PortUnreachableException should be thrown
public static void test1() throws Exception {
setup();
server.send(outBuf, isa);
server.receive(inBuf);
client.close();
outBuf.rewind();
server.send(outBuf, isa);
server.receive(inBuf);
server.close();
}
// Test the connected case to see if PUE is thrown
public static void test2() throws Exception {
setup();
server.configureBlocking(true);
server.connect(isa);
server.configureBlocking(false);
outBuf.rewind();
server.write(outBuf);
server.receive(inBuf);
client.close();
Thread.sleep(2000);
outBuf.rewind();
try {
server.write(outBuf);
Thread.sleep(2000);
inBuf.clear();
server.read(inBuf);
if (onSolarisOrLinux()) throw new Exception("Expected PUE not thrown");
} catch (PortUnreachableException pue) {
System.err.println("received PUE");
}
server.close();
}
static boolean onSolarisOrLinux() {
String osName = System.getProperty("os.name");
return osName.startsWith("SunOS") || osName.startsWith("Linux");
}
}