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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.tribes.transport;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.apache.catalina.tribes.Member;
/**
* Title:
*
* Description:
*
* Company:
*
* @author not attributable
* @version 1.0
*/
public abstract class AbstractSender implements DataSender {
private boolean connected = false;
private int rxBufSize = 25188;
private int txBufSize = 43800;
private int udpRxBufSize = 25188;
private int udpTxBufSize = 43800;
private boolean directBuffer = false;
private int keepAliveCount = -1;
private int requestCount = 0;
private long connectTime;
private long keepAliveTime = -1;
private long timeout = 3000;
private Member destination;
private InetAddress address;
private int port;
private int maxRetryAttempts = 1;//1 resends
private int attempt;
private boolean tcpNoDelay = true;
private boolean soKeepAlive = false;
private boolean ooBInline = true;
private boolean soReuseAddress = true;
private boolean soLingerOn = false;
private int soLingerTime = 3;
private int soTrafficClass = 0x04 | 0x08 | 0x010;
private boolean throwOnFailedAck = true;
private boolean udpBased = false;
private int udpPort = -1;
/**
* transfers sender properties from one sender to another
* @param from AbstractSender
* @param to AbstractSender
*/
public static void transferProperties(AbstractSender from, AbstractSender to) {
to.rxBufSize = from.rxBufSize;
to.txBufSize = from.txBufSize;
to.directBuffer = from.directBuffer;
to.keepAliveCount = from.keepAliveCount;
to.keepAliveTime = from.keepAliveTime;
to.timeout = from.timeout;
to.destination = from.destination;
to.address = from.address;
to.port = from.port;
to.maxRetryAttempts = from.maxRetryAttempts;
to.tcpNoDelay = from.tcpNoDelay;
to.soKeepAlive = from.soKeepAlive;
to.ooBInline = from.ooBInline;
to.soReuseAddress = from.soReuseAddress;
to.soLingerOn = from.soLingerOn;
to.soLingerTime = from.soLingerTime;
to.soTrafficClass = from.soTrafficClass;
to.throwOnFailedAck = from.throwOnFailedAck;
to.udpBased = from.udpBased;
to.udpPort = from.udpPort;
}
public AbstractSender() {
}
/**
* connect
*
* @throws IOException
* TODO Implement this org.apache.catalina.tribes.transport.DataSender method
*/
@Override
public abstract void connect() throws IOException;
/**
* disconnect
*
* TODO Implement this org.apache.catalina.tribes.transport.DataSender method
*/
@Override
public abstract void disconnect();
/**
* keepalive
*
* @return boolean
* TODO Implement this org.apache.catalina.tribes.transport.DataSender method
*/
@Override
public boolean keepalive() {
boolean disconnect = false;
if (isUdpBased()) disconnect = true; //always disconnect UDP, TODO optimize the keepalive handling
else if ( keepAliveCount >= 0 && requestCount>keepAliveCount ) disconnect = true;
else if ( keepAliveTime >= 0 && (System.currentTimeMillis()-connectTime)>keepAliveTime ) disconnect = true;
if ( disconnect ) disconnect();
return disconnect;
}
protected void setConnected(boolean connected){
this.connected = connected;
}
@Override
public boolean isConnected() {
return connected;
}
@Override
public long getConnectTime() {
return connectTime;
}
public Member getDestination() {
return destination;
}
public int getKeepAliveCount() {
return keepAliveCount;
}
public long getKeepAliveTime() {
return keepAliveTime;
}
@Override
public int getRequestCount() {
return requestCount;
}
public int getRxBufSize() {
return rxBufSize;
}
public long getTimeout() {
return timeout;
}
public int getTxBufSize() {
return txBufSize;
}
public InetAddress getAddress() {
return address;
}
public int getPort() {
return port;
}
public int getMaxRetryAttempts() {
return maxRetryAttempts;
}
public void setDirect(boolean direct) {
setDirectBuffer(direct);
}
public void setDirectBuffer(boolean directBuffer) {
this.directBuffer = directBuffer;
}
public boolean getDirect() {
return getDirectBuffer();
}
public boolean getDirectBuffer() {
return this.directBuffer;
}
public int getAttempt() {
return attempt;
}
public boolean getTcpNoDelay() {
return tcpNoDelay;
}
public boolean getSoKeepAlive() {
return soKeepAlive;
}
public boolean getOoBInline() {
return ooBInline;
}
public boolean getSoReuseAddress() {
return soReuseAddress;
}
public boolean getSoLingerOn() {
return soLingerOn;
}
public int getSoLingerTime() {
return soLingerTime;
}
public int getSoTrafficClass() {
return soTrafficClass;
}
public boolean getThrowOnFailedAck() {
return throwOnFailedAck;
}
@Override
public void setKeepAliveCount(int keepAliveCount) {
this.keepAliveCount = keepAliveCount;
}
@Override
public void setKeepAliveTime(long keepAliveTime) {
this.keepAliveTime = keepAliveTime;
}
public void setRequestCount(int requestCount) {
this.requestCount = requestCount;
}
@Override
public void setRxBufSize(int rxBufSize) {
this.rxBufSize = rxBufSize;
}
@Override
public void setTimeout(long timeout) {
this.timeout = timeout;
}
@Override
public void setTxBufSize(int txBufSize) {
this.txBufSize = txBufSize;
}
public void setConnectTime(long connectTime) {
this.connectTime = connectTime;
}
public void setMaxRetryAttempts(int maxRetryAttempts) {
this.maxRetryAttempts = maxRetryAttempts;
}
public void setAttempt(int attempt) {
this.attempt = attempt;
}
public void setTcpNoDelay(boolean tcpNoDelay) {
this.tcpNoDelay = tcpNoDelay;
}
public void setSoKeepAlive(boolean soKeepAlive) {
this.soKeepAlive = soKeepAlive;
}
public void setOoBInline(boolean ooBInline) {
this.ooBInline = ooBInline;
}
public void setSoReuseAddress(boolean soReuseAddress) {
this.soReuseAddress = soReuseAddress;
}
public void setSoLingerOn(boolean soLingerOn) {
this.soLingerOn = soLingerOn;
}
public void setSoLingerTime(int soLingerTime) {
this.soLingerTime = soLingerTime;
}
public void setSoTrafficClass(int soTrafficClass) {
this.soTrafficClass = soTrafficClass;
}
public void setThrowOnFailedAck(boolean throwOnFailedAck) {
this.throwOnFailedAck = throwOnFailedAck;
}
public void setDestination(Member destination) throws UnknownHostException {
this.destination = destination;
this.address = InetAddress.getByAddress(destination.getHost());
this.port = destination.getPort();
this.udpPort = destination.getUdpPort();
}
public void setPort(int port) {
this.port = port;
}
public void setAddress(InetAddress address) {
this.address = address;
}
public boolean isUdpBased() {
return udpBased;
}
public void setUdpBased(boolean udpBased) {
this.udpBased = udpBased;
}
public int getUdpPort() {
return udpPort;
}
public void setUdpPort(int udpPort) {
this.udpPort = udpPort;
}
public int getUdpRxBufSize() {
return udpRxBufSize;
}
public void setUdpRxBufSize(int udpRxBufSize) {
this.udpRxBufSize = udpRxBufSize;
}
public int getUdpTxBufSize() {
return udpTxBufSize;
}
public void setUdpTxBufSize(int udpTxBufSize) {
this.udpTxBufSize = udpTxBufSize;
}
}