Java Code Examples for java.nio.channels.SelectionKey#OP_CONNECT
The following examples show how to use
java.nio.channels.SelectionKey#OP_CONNECT .
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Example 1
| Source File: SocketIOWithTimeout.java From big-c with Apache License 2.0 | 6 votes |
|
private static String timeoutExceptionString(SelectableChannel channel,
long timeout, int ops) {
String waitingFor;
switch(ops) {
case SelectionKey.OP_READ :
waitingFor = "read"; break;
case SelectionKey.OP_WRITE :
waitingFor = "write"; break;
case SelectionKey.OP_CONNECT :
waitingFor = "connect"; break;
default :
waitingFor = "" + ops;
}
return timeout + " millis timeout while " +
"waiting for channel to be ready for " +
waitingFor + ". ch : " + channel;
}
Example 2
| Source File: SelectorImpl.java From qpid-proton-j with Apache License 2.0 | 6 votes |
|
@Override
public void update(Selectable selectable) {
if (selectable.getChannel() != null) {
int interestedOps = 0;
if (selectable.getChannel() instanceof SocketChannel &&
((SocketChannel)selectable.getChannel()).isConnectionPending()) {
interestedOps |= SelectionKey.OP_CONNECT;
} else {
if (selectable.isReading()) {
if (selectable.getChannel() instanceof ServerSocketChannel) {
interestedOps |= SelectionKey.OP_ACCEPT;
} else {
interestedOps |= SelectionKey.OP_READ;
}
}
if (selectable.isWriting()) interestedOps |= SelectionKey.OP_WRITE;
}
SelectionKey key = selectable.getChannel().keyFor(selector);
key.interestOps(interestedOps);
}
}
Example 3
| Source File: SocketIOWithTimeout.java From hadoop with Apache License 2.0 | 6 votes |
|
private static String timeoutExceptionString(SelectableChannel channel,
long timeout, int ops) {
String waitingFor;
switch(ops) {
case SelectionKey.OP_READ :
waitingFor = "read"; break;
case SelectionKey.OP_WRITE :
waitingFor = "write"; break;
case SelectionKey.OP_CONNECT :
waitingFor = "connect"; break;
default :
waitingFor = "" + ops;
}
return timeout + " millis timeout while " +
"waiting for channel to be ready for " +
waitingFor + ". ch : " + channel;
}
Example 4
| Source File: SelectionKeyTest.java From j2objc with Apache License 2.0 | 5 votes |
|
/**
* @tests java.nio.channels.SelectionKey#isConnectable()
*/
public void test_isConnectable() {
MockSelectionKey mockSelectionKey1 = new MockSelectionKey(SelectionKey.OP_CONNECT);
assertTrue(mockSelectionKey1.isConnectable());
MockSelectionKey mockSelectionKey2 = new MockSelectionKey(SelectionKey.OP_ACCEPT);
assertFalse(mockSelectionKey2.isConnectable());
}
Example 5
| Source File: TCPConnection.java From gnirehtet with Apache License 2.0 | 5 votes |
|
public TCPConnection(ConnectionId id, Client client, Selector selector, IPv4Header ipv4Header, TCPHeader tcpHeader) throws IOException {
super(id, client);
TCPHeader shrinkedTcpHeader = tcpHeader.copy();
shrinkedTcpHeader.shrinkOptions(); // no TCP options
networkToClient = new Packetizer(ipv4Header, shrinkedTcpHeader);
networkToClient.getResponseIPv4Header().swapSourceAndDestination();
networkToClient.getResponseTransportHeader().swapSourceAndDestination();
SelectionHandler selectionHandler = (selectionKey) -> {
if (selectionKey.isValid() && selectionKey.isConnectable()) {
processConnect();
}
if (selectionKey.isValid() && selectionKey.isReadable()) {
processReceive();
}
if (selectionKey.isValid() && selectionKey.isWritable()) {
processSend();
}
updateInterests();
};
channel = createChannel();
// interests will be set on the first packet received
// set the initial value now so that they won't need to be updated
interests = SelectionKey.OP_CONNECT;
selectionKey = channel.register(selector, interests, selectionHandler);
}
Example 6
| Source File: PassiveRedisIndexer.java From bt with Apache License 2.0 | 5 votes |
|
@Override
public int calcInterestOps() {
int ops = SelectionKey.OP_READ;
if(chan.isConnectionPending())
ops |= SelectionKey.OP_CONNECT;
if(awaitingWriteNotification)
ops |= SelectionKey.OP_WRITE;
return ops;
}
Example 7
| Source File: Proxy.java From gemfirexd-oss with Apache License 2.0 | 5 votes |
|
String printSelectionOps(SelectionKey key) {
StringBuffer sb=new StringBuffer();
if ((key.readyOps() & SelectionKey.OP_ACCEPT) !=0)
sb.append("OP_ACCEPT ");
if ((key.readyOps() & SelectionKey.OP_CONNECT) !=0)
sb.append("OP_CONNECT ");
if ((key.readyOps() & SelectionKey.OP_READ) !=0)
sb.append("OP_READ ");
if ((key.readyOps() & SelectionKey.OP_WRITE) !=0)
sb.append("OP_WRITE ");
return sb.toString();
}
Example 8
| Source File: SctpChannelImpl.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Translates native poll revent ops into a ready operation ops
*/
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
int intOps = sk.nioInterestOps();
int oldOps = sk.nioReadyOps();
int newOps = initialOps;
if ((ops & PollArrayWrapper.POLLNVAL) != 0) {
/* This should only happen if this channel is pre-closed while a
* selection operation is in progress
* ## Throw an error if this channel has not been pre-closed */
return false;
}
if ((ops & (PollArrayWrapper.POLLERR
| PollArrayWrapper.POLLHUP)) != 0) {
newOps = intOps;
sk.nioReadyOps(newOps);
/* No need to poll again in checkConnect,
* the error will be detected there */
readyToConnect = true;
return (newOps & ~oldOps) != 0;
}
if (((ops & PollArrayWrapper.POLLIN) != 0) &&
((intOps & SelectionKey.OP_READ) != 0) &&
isConnected())
newOps |= SelectionKey.OP_READ;
if (((ops & PollArrayWrapper.POLLCONN) != 0) &&
((intOps & SelectionKey.OP_CONNECT) != 0) &&
((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
newOps |= SelectionKey.OP_CONNECT;
readyToConnect = true;
}
if (((ops & PollArrayWrapper.POLLOUT) != 0) &&
((intOps & SelectionKey.OP_WRITE) != 0) &&
isConnected())
newOps |= SelectionKey.OP_WRITE;
sk.nioReadyOps(newOps);
return (newOps & ~oldOps) != 0;
}
Example 9
| Source File: LotsOfCancels.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
private void handleClients() throws Exception {
int selectCount = 0;
while (true) {
int createdCount = 0;
synchronized (this) {
if (connectionsNeeded > 0) {
while (connectionsNeeded > 0 && createdCount < 20) {
connectionsNeeded--;
createdCount++;
totalCreated++;
SocketChannel channel = SocketChannel.open();
channel.configureBlocking(false);
channel.connect(address);
if (!channel.finishConnect()) {
channel.register(selector,
SelectionKey.OP_CONNECT);
}
}
log("Started total of " +
totalCreated + " client connections");
Thread.sleep(200);
}
}
if (createdCount > 0) {
selector.selectNow();
} else {
selectCount++;
long startTime = System.nanoTime();
selector.select();
long duration = durationMillis(startTime);
log("Exited clientSelector.select(), loop #"
+ selectCount + ", duration = " + duration + "ms");
}
int keyCount = -1;
Iterator<SelectionKey> keys =
selector.selectedKeys().iterator();
while (keys.hasNext()) {
SelectionKey key = keys.next();
synchronized (key) {
keyCount++;
keys.remove();
if (!key.isValid()) {
log("Ignoring client key #" + keyCount);
continue;
}
int readyOps = key.readyOps();
if (readyOps == SelectionKey.OP_CONNECT) {
key.interestOps(0);
((SocketChannel) key.channel()).finishConnect();
} else {
log("readyOps() on client key #" + keyCount +
" returned " + readyOps);
}
}
}
}
}
Example 10
| Source File: PlainHttpConnection.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
@Override
public int interestOps() {
return SelectionKey.OP_CONNECT;
}
Example 11
| Source File: SctpChannelImpl.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Translates native poll revent ops into a ready operation ops
*/
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
int intOps = sk.nioInterestOps();
int oldOps = sk.nioReadyOps();
int newOps = initialOps;
if ((ops & Net.POLLNVAL) != 0) {
/* This should only happen if this channel is pre-closed while a
* selection operation is in progress
* ## Throw an error if this channel has not been pre-closed */
return false;
}
if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
newOps = intOps;
sk.nioReadyOps(newOps);
/* No need to poll again in checkConnect,
* the error will be detected there */
readyToConnect = true;
return (newOps & ~oldOps) != 0;
}
if (((ops & Net.POLLIN) != 0) &&
((intOps & SelectionKey.OP_READ) != 0) &&
isConnected())
newOps |= SelectionKey.OP_READ;
if (((ops & Net.POLLCONN) != 0) &&
((intOps & SelectionKey.OP_CONNECT) != 0) &&
((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
newOps |= SelectionKey.OP_CONNECT;
readyToConnect = true;
}
if (((ops & Net.POLLOUT) != 0) &&
((intOps & SelectionKey.OP_WRITE) != 0) &&
isConnected())
newOps |= SelectionKey.OP_WRITE;
sk.nioReadyOps(newOps);
return (newOps & ~oldOps) != 0;
}
Example 12
| Source File: LotsOfCancels.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private void handleClients() throws Exception {
int selectCount = 0;
while (true) {
int createdCount = 0;
synchronized (this) {
if (connectionsNeeded > 0) {
while (connectionsNeeded > 0 && createdCount < 20) {
connectionsNeeded--;
createdCount++;
totalCreated++;
SocketChannel channel = SocketChannel.open();
channel.configureBlocking(false);
channel.connect(address);
if (!channel.finishConnect()) {
channel.register(selector,
SelectionKey.OP_CONNECT);
}
}
log("Started total of " +
totalCreated + " client connections");
Thread.sleep(200);
}
}
if (createdCount > 0) {
selector.selectNow();
} else {
selectCount++;
long startTime = System.nanoTime();
selector.select();
long duration = durationMillis(startTime);
log("Exited clientSelector.select(), loop #"
+ selectCount + ", duration = " + duration + "ms");
}
int keyCount = -1;
Iterator<SelectionKey> keys =
selector.selectedKeys().iterator();
while (keys.hasNext()) {
SelectionKey key = keys.next();
synchronized (key) {
keyCount++;
keys.remove();
if (!key.isValid()) {
log("Ignoring client key #" + keyCount);
continue;
}
int readyOps = key.readyOps();
if (readyOps == SelectionKey.OP_CONNECT) {
key.interestOps(0);
((SocketChannel) key.channel()).finishConnect();
} else {
log("readyOps() on client key #" + keyCount +
" returned " + readyOps);
}
}
}
}
}
Example 13
| Source File: LotsOfCancels.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
private void handleClients() throws Exception {
int selectCount = 0;
while (true) {
int createdCount = 0;
synchronized (this) {
if (connectionsNeeded > 0) {
while (connectionsNeeded > 0 && createdCount < 20) {
connectionsNeeded--;
createdCount++;
totalCreated++;
SocketChannel channel = SocketChannel.open();
channel.configureBlocking(false);
channel.connect(address);
if (!channel.finishConnect()) {
channel.register(selector,
SelectionKey.OP_CONNECT);
}
}
log("Started total of " +
totalCreated + " client connections");
Thread.sleep(200);
}
}
if (createdCount > 0) {
selector.selectNow();
} else {
selectCount++;
long startTime = System.nanoTime();
selector.select();
long duration = durationMillis(startTime);
log("Exited clientSelector.select(), loop #"
+ selectCount + ", duration = " + duration + "ms");
}
int keyCount = -1;
Iterator<SelectionKey> keys =
selector.selectedKeys().iterator();
while (keys.hasNext()) {
SelectionKey key = keys.next();
synchronized (key) {
keyCount++;
keys.remove();
if (!key.isValid()) {
log("Ignoring client key #" + keyCount);
continue;
}
int readyOps = key.readyOps();
if (readyOps == SelectionKey.OP_CONNECT) {
key.interestOps(0);
((SocketChannel) key.channel()).finishConnect();
} else {
log("readyOps() on client key #" + keyCount +
" returned " + readyOps);
}
}
}
}
}
Example 14
| Source File: SctpChannelImpl.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Translates native poll revent ops into a ready operation ops
*/
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
int intOps = sk.nioInterestOps();
int oldOps = sk.nioReadyOps();
int newOps = initialOps;
if ((ops & Net.POLLNVAL) != 0) {
/* This should only happen if this channel is pre-closed while a
* selection operation is in progress
* ## Throw an error if this channel has not been pre-closed */
return false;
}
if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
newOps = intOps;
sk.nioReadyOps(newOps);
/* No need to poll again in checkConnect,
* the error will be detected there */
readyToConnect = true;
return (newOps & ~oldOps) != 0;
}
if (((ops & Net.POLLIN) != 0) &&
((intOps & SelectionKey.OP_READ) != 0) &&
isConnected())
newOps |= SelectionKey.OP_READ;
if (((ops & Net.POLLCONN) != 0) &&
((intOps & SelectionKey.OP_CONNECT) != 0) &&
((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
newOps |= SelectionKey.OP_CONNECT;
readyToConnect = true;
}
if (((ops & Net.POLLOUT) != 0) &&
((intOps & SelectionKey.OP_WRITE) != 0) &&
isConnected())
newOps |= SelectionKey.OP_WRITE;
sk.nioReadyOps(newOps);
return (newOps & ~oldOps) != 0;
}
Example 15
| Source File: SctpChannelImpl.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Translates native poll revent ops into a ready operation ops
*/
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
int intOps = sk.nioInterestOps();
int oldOps = sk.nioReadyOps();
int newOps = initialOps;
if ((ops & PollArrayWrapper.POLLNVAL) != 0) {
/* This should only happen if this channel is pre-closed while a
* selection operation is in progress
* ## Throw an error if this channel has not been pre-closed */
return false;
}
if ((ops & (PollArrayWrapper.POLLERR
| PollArrayWrapper.POLLHUP)) != 0) {
newOps = intOps;
sk.nioReadyOps(newOps);
/* No need to poll again in checkConnect,
* the error will be detected there */
readyToConnect = true;
return (newOps & ~oldOps) != 0;
}
if (((ops & PollArrayWrapper.POLLIN) != 0) &&
((intOps & SelectionKey.OP_READ) != 0) &&
isConnected())
newOps |= SelectionKey.OP_READ;
if (((ops & PollArrayWrapper.POLLCONN) != 0) &&
((intOps & SelectionKey.OP_CONNECT) != 0) &&
((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
newOps |= SelectionKey.OP_CONNECT;
readyToConnect = true;
}
if (((ops & PollArrayWrapper.POLLOUT) != 0) &&
((intOps & SelectionKey.OP_WRITE) != 0) &&
isConnected())
newOps |= SelectionKey.OP_WRITE;
sk.nioReadyOps(newOps);
return (newOps & ~oldOps) != 0;
}
Example 16
| Source File: SctpChannelImpl.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Translates native poll revent ops into a ready operation ops
*/
private boolean translateReadyOps(int ops, int initialOps, SelectionKeyImpl sk) {
int intOps = sk.nioInterestOps();
int oldOps = sk.nioReadyOps();
int newOps = initialOps;
if ((ops & Net.POLLNVAL) != 0) {
/* This should only happen if this channel is pre-closed while a
* selection operation is in progress
* ## Throw an error if this channel has not been pre-closed */
return false;
}
if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) {
newOps = intOps;
sk.nioReadyOps(newOps);
/* No need to poll again in checkConnect,
* the error will be detected there */
readyToConnect = true;
return (newOps & ~oldOps) != 0;
}
if (((ops & Net.POLLIN) != 0) &&
((intOps & SelectionKey.OP_READ) != 0) &&
isConnected())
newOps |= SelectionKey.OP_READ;
if (((ops & Net.POLLCONN) != 0) &&
((intOps & SelectionKey.OP_CONNECT) != 0) &&
((state == ChannelState.UNCONNECTED) || (state == ChannelState.PENDING))) {
newOps |= SelectionKey.OP_CONNECT;
readyToConnect = true;
}
if (((ops & Net.POLLOUT) != 0) &&
((intOps & SelectionKey.OP_WRITE) != 0) &&
isConnected())
newOps |= SelectionKey.OP_WRITE;
sk.nioReadyOps(newOps);
return (newOps & ~oldOps) != 0;
}
Example 17
| Source File: SctpChannel.java From jdk8u_jdk with GNU General Public License v2.0 | 3 votes |
|
/**
* Returns an operation set identifying this channel's supported operations.
*
* <P> SCTP channels support connecting, reading, and writing, so this
* method returns <tt>(</tt>{@link SelectionKey#OP_CONNECT}
* <tt>|</tt> {@link SelectionKey#OP_READ} <tt>|</tt> {@link
* SelectionKey#OP_WRITE}<tt>)</tt>. </p>
*
* @return The valid-operation set
*/
@Override
public final int validOps() {
return (SelectionKey.OP_READ |
SelectionKey.OP_WRITE |
SelectionKey.OP_CONNECT);
}
Example 18
| Source File: SctpChannel.java From jdk8u-jdk with GNU General Public License v2.0 | 3 votes |
|
/**
* Returns an operation set identifying this channel's supported operations.
*
* <P> SCTP channels support connecting, reading, and writing, so this
* method returns <tt>(</tt>{@link SelectionKey#OP_CONNECT}
* <tt>|</tt> {@link SelectionKey#OP_READ} <tt>|</tt> {@link
* SelectionKey#OP_WRITE}<tt>)</tt>. </p>
*
* @return The valid-operation set
*/
@Override
public final int validOps() {
return (SelectionKey.OP_READ |
SelectionKey.OP_WRITE |
SelectionKey.OP_CONNECT);
}
Example 19
| Source File: SctpChannel.java From hottub with GNU General Public License v2.0 | 3 votes |
|
/**
* Returns an operation set identifying this channel's supported operations.
*
* <P> SCTP channels support connecting, reading, and writing, so this
* method returns <tt>(</tt>{@link SelectionKey#OP_CONNECT}
* <tt>|</tt> {@link SelectionKey#OP_READ} <tt>|</tt> {@link
* SelectionKey#OP_WRITE}<tt>)</tt>. </p>
*
* @return The valid-operation set
*/
@Override
public final int validOps() {
return (SelectionKey.OP_READ |
SelectionKey.OP_WRITE |
SelectionKey.OP_CONNECT);
}
Example 20
| Source File: SelectionRegistration.java From DeviceConnect-Android with MIT License | 2 votes |
|
/**
* Indicates if the NIO channel is connectable.
*
* @return True if the NIO channel is connectable.
*/
public boolean isConnectable() {
return (getReadyOperations() & SelectionKey.OP_CONNECT) != 0;
}
