本文整理汇总了Java中java.nio.channels.spi.SelectorProvider.openPipe方法的典型用法代码示例。如果您正苦于以下问题：Java SelectorProvider.openPipe方法的具体用法？Java SelectorProvider.openPipe怎么用？Java SelectorProvider.openPipe使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.nio.channels.spi.SelectorProvider的用法示例。
在下文中一共展示了SelectorProvider.openPipe方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: main
import java.nio.channels.spi.SelectorProvider; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
SelectorProvider sp = SelectorProvider.provider();
Pipe p = sp.openPipe();
Pipe.SinkChannel sink = p.sink();
Pipe.SourceChannel source = p.source();
byte[] someBytes = new byte[0];
ByteBuffer outgoingdata = ByteBuffer.wrap(someBytes);
int totalWritten = 0;
int written = sink.write(outgoingdata);
if (written < 0)
throw new Exception("Write failed");
ByteBuffer incomingdata = ByteBuffer.allocateDirect(0);
int read = source.read(incomingdata);
if (read < 0)
throw new Exception("Read EOF");
sink.close();
source.close();
}
示例2: main
import java.nio.channels.spi.SelectorProvider; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
// Load necessary classes ahead of time
DatagramChannel dc = DatagramChannel.open();
Exception se = new SocketException();
SelectorProvider sp = SelectorProvider.provider();
Pipe p = sp.openPipe();
ServerSocketChannel ssc = ServerSocketChannel.open();
test1();
test2();
test3();
test4();
}
示例3: test3
import java.nio.channels.spi.SelectorProvider; //导入方法依赖的package包/类
static void test3() {
SelectorProvider sp = SelectorProvider.provider();
for (int i=0; i<11000; i++) {
try {
Pipe p = sp.openPipe();
} catch (Exception e) {
// Presumably "Too many open files"
}
}
}
示例4: main
import java.nio.channels.spi.SelectorProvider; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
for (int x=0; x<100; x++) {
SelectorProvider sp = SelectorProvider.provider();
Pipe p = sp.openPipe();
Pipe.SinkChannel sink = p.sink();
Pipe.SourceChannel source = p.source();
ByteBuffer outgoingdata = ByteBuffer.allocateDirect(10);
byte[] someBytes = new byte[10];
generator.nextBytes(someBytes);
outgoingdata.put(someBytes);
outgoingdata.flip();
int totalWritten = 0;
while (totalWritten < 10) {
int written = sink.write(outgoingdata);
if (written < 0)
throw new Exception("Write failed");
totalWritten += written;
}
ByteBuffer incomingdata = ByteBuffer.allocateDirect(10);
int totalRead = 0;
do {
int bytesRead = source.read(incomingdata);
if (bytesRead > 0)
totalRead += bytesRead;
} while(totalRead < 10);
for(int i=0; i<10; i++)
if (outgoingdata.get(i) != incomingdata.get(i))
throw new Exception("Pipe failed");
sink.close();
source.close();
}
}
示例5: testReadableByteChannel
import java.nio.channels.spi.SelectorProvider; //导入方法依赖的package包/类
private static void testReadableByteChannel(int size) throws Exception {
SelectorProvider sp = SelectorProvider.provider();
Pipe p = sp.openPipe();
Pipe.SinkChannel sink = p.sink();
Pipe.SourceChannel source = p.source();
sink.configureBlocking(false);
ByteBuffer outgoingdata = ByteBuffer.allocateDirect(size + 10);
byte[] someBytes = new byte[size + 10];
generator.nextBytes(someBytes);
outgoingdata.put(someBytes);
outgoingdata.flip();
int totalWritten = 0;
while (totalWritten < size + 10) {
int written = sink.write(outgoingdata);
if (written < 0)
throw new Exception("Write failed");
totalWritten += written;
}
File f = File.createTempFile("blah"+size, null);
f.deleteOnExit();
RandomAccessFile raf = new RandomAccessFile(f, "rw");
FileChannel fc = raf.getChannel();
long oldPosition = fc.position();
long bytesWritten = fc.transferFrom(source, 0, size);
fc.force(true);
if (bytesWritten != size)
throw new RuntimeException("Transfer failed");
if (fc.position() != oldPosition)
throw new RuntimeException("Position changed");
if (fc.size() != size)
throw new RuntimeException("Unexpected sink size "+ fc.size());
fc.close();
sink.close();
source.close();
f.delete();
}
示例6: main
import java.nio.channels.spi.SelectorProvider; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
SelectorProvider sp = SelectorProvider.provider();
Selector selector = Selector.open();
Pipe p = sp.openPipe();
Pipe.SinkChannel sink = p.sink();
Pipe.SourceChannel source = p.source();
source.configureBlocking(false);
sink.configureBlocking(false);
SelectionKey readkey = source.register(selector, SelectionKey.OP_READ);
SelectionKey writekey = sink.register(selector, SelectionKey.OP_WRITE);
ByteBuffer outgoingdata = ByteBuffer.allocateDirect(10);
byte[] someBytes = new byte[10];
generator.nextBytes(someBytes);
outgoingdata.put(someBytes);
outgoingdata.flip();
int totalWritten = 0;
while (totalWritten < 10) {
int written = sink.write(outgoingdata);
if (written < 0)
throw new Exception("Write failed");
totalWritten += written;
}
if (selector.select(1000) == 0) {
throw new Exception("test failed");
}
ByteBuffer incomingdata = ByteBuffer.allocateDirect(10);
int totalRead = 0;
do {
int bytesRead = source.read(incomingdata);
if (bytesRead > 0)
totalRead += bytesRead;
} while(totalRead < 10);
sink.close();
source.close();
selector.close();
for(int i=0; i<10; i++)
if (outgoingdata.get(i) != incomingdata.get(i))
throw new Exception("Pipe failed");
}
示例7: testReadableByteChannel
import java.nio.channels.spi.SelectorProvider; //导入方法依赖的package包/类
@Test
public void testReadableByteChannel() throws Exception {
int[] testSizes = { 0, 10, 1023, 1024, 1025, 2047, 2048, 2049 };
for (int size : testSizes) {
SelectorProvider sp = SelectorProvider.provider();
Pipe p = sp.openPipe();
Pipe.SinkChannel sink = p.sink();
Pipe.SourceChannel source = p.source();
sink.configureBlocking(false);
ByteBuffer outgoingdata = ByteBuffer.allocateDirect(size + 10);
byte[] someBytes = new byte[size + 10];
generator.nextBytes(someBytes);
outgoingdata.put(someBytes);
outgoingdata.flip();
int totalWritten = 0;
while (totalWritten < size + 10) {
int written = sink.write(outgoingdata);
if (written < 0)
throw new Exception("Write failed");
totalWritten += written;
}
File f = File.createTempFile("blah"+size, null);
f.deleteOnExit();
RandomAccessFile raf = new RandomAccessFile(f, "rw");
FileChannel fc = raf.getChannel();
long oldPosition = fc.position();
long bytesWritten = fc.transferFrom(source, 0, size);
fc.force(true);
if (bytesWritten != size)
throw new RuntimeException("Transfer failed");
if (fc.position() != oldPosition)
throw new RuntimeException("Position changed");
if (fc.size() != size)
throw new RuntimeException("Unexpected sink size "+ fc.size());
fc.close();
sink.close();
source.close();
f.delete();
}
}