Package org.apache.catalina.tribes

Examples of org.apache.catalina.tribes.ChannelException$FaultyMember


            msg.getMessage().trim(msg.getMessage().getLength());
            msg.getMessage().append(data,0,data.length);
            getNext().sendMessage(destination, msg, payload);
        } catch ( IOException x ) {
            log.error("Unable to compress byte contents");
            throw new ChannelException(x);
        }
    }
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    @Override
    public synchronized void sendMessage(Member[] destination, ChannelMessage msg) throws ChannelException {
        byte[] data = XByteBuffer.createDataPackage((ChannelData)msg);
        BioSender[] senders = setupForSend(destination);
        ChannelException cx = null;
        for ( int i=0; i<senders.length; i++ ) {
            try {
                senders[i].sendMessage(data,(msg.getOptions()&Channel.SEND_OPTIONS_USE_ACK)==Channel.SEND_OPTIONS_USE_ACK);
            } catch (Exception x) {
                if (cx == null) cx = new ChannelException(x);
                cx.addFaultyMember(destination[i],x);
            }
        }
        if (cx!=null ) throw cx;
    }
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    }



    protected BioSender[] setupForSend(Member[] destination) throws ChannelException {
        ChannelException cx = null;
        BioSender[] result = new BioSender[destination.length];
        for ( int i=0; i<destination.length; i++ ) {
            try {
                BioSender sender = bioSenders.get(destination[i]);
                if (sender == null) {
                    sender = new BioSender();
                    AbstractSender.transferProperties(this,sender);
                    sender.setDestination(destination[i]);
                    bioSenders.put(destination[i], sender);
                }
                result[i] = sender;
                if (!result[i].isConnected() ) result[i].connect();
                result[i].keepalive();
            }catch (Exception x ) {
                if ( cx== null ) cx = new ChannelException(x);
                cx.addFaultyMember(destination[i],x);
            }
        }
        if ( cx!=null ) throw cx;
        else return result;
    }
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        setConnected(true);
    }


    private synchronized void close() throws ChannelException  {
        ChannelException x = null;
        Object[] members = bioSenders.keySet().toArray();
        for (int i=0; i<members.length; i++ ) {
            Member mbr = (Member)members[i];
            try {
                BioSender sender = bioSenders.get(mbr);
                sender.disconnect();
            }catch ( Exception e ) {
                if ( x == null ) x = new ChannelException(e);
                x.addFaultyMember(mbr,e);
            }
            bioSenders.remove(mbr);
        }
        if ( x != null ) throw x;
    }
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        NioSender[] 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 = new ChannelException("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 = new ChannelException(
                        "Operation has timed out(" + getTimeout() + " ms.).");
                if ( cx==null ) cx = new ChannelException(
                        "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);
        }

    }
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                    }
                }
                if ( !isConnected() ) {
                    log.warn("Not retrying send for:" + sender.getDestination().getName() +
                            "; Sender is disconnected.");
                    ChannelException cx = new ChannelException(
                            "Send failed, and sender is disconnected. Not retrying.", x);
                    cx.addFaultyMember(sender.getDestination(),x);
                    throw cx;
                }

                byte[] data = sender.getMessage();
                if ( retry ) {
                    try {
                        sender.disconnect();
                        sender.connect();
                        sender.setAttempt(attempt);
                        sender.setMessage(data);
                    }catch ( Exception ignore){
                        state.setFailing();
                    }
                } else {
                    ChannelException cx = new ChannelException(
                            "Send failed, attempt:" + sender.getAttempt() + " max:" + maxAttempts,
                            x);
                    cx.addFaultyMember(sender.getDestination(),x);
                    throw cx;
                }//end if
            }
        }
        return completed;
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        return completed;

    }

    private void connect(NioSender[] senders) throws ChannelException {
        ChannelException x = null;
        for (int i=0; i<senders.length; i++ ) {
            try {
                senders[i].connect();
            }catch ( IOException io ) {
                if ( x==null ) x = new ChannelException(io);
                x.addFaultyMember(senders[i].getDestination(),io);
            }
        }
        if ( x != null ) throw x;
    }
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        }
        if ( x != null ) throw x;
    }

    private void setData(NioSender[] senders, byte[] data) throws ChannelException {
        ChannelException x = null;
        for (int i=0; i<senders.length; i++ ) {
            try {
                senders[i].setMessage(data);
            }catch ( IOException io ) {
                if ( x==null ) x = new ChannelException(io);
                x.addFaultyMember(senders[i].getDestination(),io);
            }
        }
        if ( x != null ) throw x;
    }
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        if ( x != null ) throw x;
    }


    private NioSender[] setupForSend(Member[] destination) throws ChannelException {
        ChannelException cx = null;
        NioSender[] result = new NioSender[destination.length];
        for ( int i=0; i<destination.length; i++ ) {
            NioSender sender = nioSenders.get(destination[i]);
            try {

                if (sender == null) {
                    sender = new NioSender();
                    AbstractSender.transferProperties(this, sender);
                    nioSenders.put(destination[i], sender);
                }
                sender.reset();
                sender.setDestination(destination[i]);
                sender.setSelector(selector);
                sender.setUdpBased(isUdpBased());
                result[i] = sender;
            }catch ( UnknownHostException x ) {
                if (cx == null) cx = new ChannelException("Unable to setup NioSender.", x);
                cx.addFaultyMember(destination[i], x);
            }
        }
        if ( cx != null ) throw cx;
        else return result;
    }
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        setConnected(true);
    }


    private synchronized void close() throws ChannelException  {
        ChannelException x = null;
        Object[] members = nioSenders.keySet().toArray();
        for (int i=0; i<members.length; i++ ) {
            Member mbr = (Member)members[i];
            try {
                NioSender sender = nioSenders.get(mbr);
                sender.disconnect();
            }catch ( Exception e ) {
                if ( x == null ) x = new ChannelException(e);
                x.addFaultyMember(mbr,e);
            }
            nioSenders.remove(mbr);
        }
        if ( x != null ) throw x;
    }
View Full Code Here

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