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Expanded DatagramChannel and corrected blocking configuration in connect().

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This commit is contained in:
JET 2013-07-02 10:10:05 -06:00
parent e07a1e2f57
commit b66d8b9fbf
1 changed files with 22 additions and 3 deletions
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25
classpath/java/nio/channels/DatagramChannel.java
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@ -20,6 +20,7 @@ import java.net.SocketException;
import java.net.DatagramSocket; import java.net.DatagramSocket;
import java.net.StandardProtocolFamily; import java.net.StandardProtocolFamily;
// TODO: This class is both divergent from the Java standard and incomplete.
public class DatagramChannel extends SelectableChannel public class DatagramChannel extends SelectableChannel
implements ReadableByteChannel, WritableByteChannel implements ReadableByteChannel, WritableByteChannel
{ {
@ -27,15 +28,20 @@ public class DatagramChannel extends SelectableChannel
private int socket = InvalidSocket; private int socket = InvalidSocket;
private boolean blocking = true; private boolean blocking = true;
private boolean connected = false;
public SelectableChannel configureBlocking(boolean v) throws IOException { public SelectableChannel configureBlocking(boolean v) throws IOException {
blocking = v; blocking = v;
if (socket != InvalidSocket) { configureBlocking();
configureBlocking(socket, v);
}
return this; return this;
} }
private void configureBlocking() throws IOException {
if (socket != InvalidSocket) {
configureBlocking(socket, blocking);
}
}
int socketFD() { int socketFD() {
return socket; return socket;
} }
@ -75,6 +81,7 @@ public class DatagramChannel extends SelectableChannel
} }
socket = bind(inetAddress.getHostName(), inetAddress.getPort()); socket = bind(inetAddress.getHostName(), inetAddress.getPort());
configureBlocking();
return this; return this;
} }
@ -88,6 +95,9 @@ public class DatagramChannel extends SelectableChannel
} }
socket = connect(inetAddress.getHostName(), inetAddress.getPort()); socket = connect(inetAddress.getHostName(), inetAddress.getPort());
configureBlocking();
if (socket != 0) connected = true;
return this; return this;
} }
@ -164,6 +174,15 @@ public class DatagramChannel extends SelectableChannel
} }
} }
public boolean isConnected() { return connected; }
/** TODO: This is probably incomplete. */
public DatagramChannel disconnect() throws IOException {
close();
connected = false;
return this;
}
private static native void configureBlocking(int socket, boolean blocking) private static native void configureBlocking(int socket, boolean blocking)
throws IOException; throws IOException;
private static native int bind(String hostname, int port) private static native int bind(String hostname, int port)