static public boolean memberAlive(Member mbr, byte[] msgData,
boolean sendTest, boolean readTest,
long readTimeout, long conTimeout,
int optionFlag) throws RemoteException {
startManagers();
//could be a shutdown notification
if ( Arrays.equals(mbr.getCommand(),Member.SHUTDOWN_PAYLOAD) ) return false;
Socket socket = new Socket();
try {
InetAddress ia = InetAddress.getByAddress(mbr.getHost());
InetSocketAddress addr = new InetSocketAddress(ia, mbr.getPort());
socket.setSoTimeout((int)readTimeout);
socket.connect(addr, (int) conTimeout);
if ( sendTest ) {
org.apache.catalina.tribes.io.ChannelDataRemoteInterface data = gerenciadornuvem1.getChannelData(true);
data.setAddress(mbr);
data.setMessage(gerenciadornuvem1.getXByteBuffer(msgData, false));
data.setTimestamp(System.currentTimeMillis());
int options = optionFlag | Channel.SEND_OPTIONS_BYTE_MESSAGE;
if ( readTest ) options = (options | Channel.SEND_OPTIONS_USE_ACK);
else options = (options & (~Channel.SEND_OPTIONS_USE_ACK));
data.setOptions(options);
byte[] message = gerenciadornuvem1.XByteBuffercreateDataPackage(data);
socket.getOutputStream().write(message);
if ( readTest ) {
int length = socket.getInputStream().read(message);
return length > 0;
}
}//end if
return true;
} catch ( SocketTimeoutException sx) {
//do nothing, we couldn't connect
} catch ( ConnectException cx) {
//do nothing, we couldn't connect
}catch (Exception x ) {
log.error("Unable to perform failure detection check, assuming member down.",x);
} finally {
try {socket.close(); } catch ( Exception ignore ){}
}
return false;
}
@Override
public synchronized void sendMessage(Member[] destination, ChannelMessage msg)
throws ChannelException, RemoteException {
try {
long start = System.currentTimeMillis();
this.setUdpBased((msg.getOptions() & Channel.SEND_OPTIONS_UDP) == Channel.SEND_OPTIONS_UDP);
byte[] data =
gerenciadornuvem1.XByteBuffercreateDataPackage(
(org.apache.catalina.tribes.io.ChannelDataRemoteInterface) msg);
org.apache.catalina.tribes.transport.nio.NioSenderRemoteInterface[] senders =
setupForSend(destination);
connect(senders);
setData(senders, data);
int remaining = senders.length;
ChannelException cx = null;
try {
// loop until complete, an error happens, or we timeout
long delta = System.currentTimeMillis() - start;
boolean waitForAck =
(Channel.SEND_OPTIONS_USE_ACK & msg.getOptions()) == Channel.SEND_OPTIONS_USE_ACK;
while ((remaining > 0) && (delta < getTimeout())) {
try {
remaining -= doLoop(selectTimeout, getMaxRetryAttempts(), waitForAck, msg);
} catch (Exception x) {
if (log.isTraceEnabled()) log.trace("Error sending message", x);
int faulty = (cx == null) ? 0 : cx.getFaultyMembers().length;
if (cx == null) {
if (x instanceof ChannelException) cx = (ChannelException) x;
else cx = gerenciadornuvem1.getChannelException("Parallel NIO send failed.", x);
} else {
if (x instanceof ChannelException)
cx.addFaultyMember(((ChannelException) x).getFaultyMembers());
}
// count down the remaining on an error
if (faulty < cx.getFaultyMembers().length)
remaining -= (cx.getFaultyMembers().length - faulty);
}
// bail out if all remaining senders are failing
if (cx != null && cx.getFaultyMembers().length == remaining) throw cx;
delta = System.currentTimeMillis() - start;
}
if (remaining > 0) {
// timeout has occurred
ChannelException cxtimeout =
gerenciadornuvem1.getChannelException(
"Operation has timed out(" + getTimeout() + " ms.).");
if (cx == null)
cx =
gerenciadornuvem1.getChannelException(
"Operation has timed out(" + getTimeout() + " ms.).");
for (int i = 0; i < senders.length; i++) {
if (!senders[i].isComplete())
cx.addFaultyMember(senders[i].getDestination(), cxtimeout);
}
throw cx;
} else if (cx != null) {
// there was an error
throw cx;
}
} catch (Exception x) {
try {
this.disconnect();
} catch (Exception e) {
/* Ignore */
}
if (x instanceof ChannelException) throw (ChannelException) x;
else throw new ChannelException(x);
}
} catch (Exception excp) {
excp.printStackTrace();
}
}
