forked from community/device-mgt-plugins
warunalakshitha
7 years ago
parent
b407287b7c
commit
17cdb1652b
@ -0,0 +1,39 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. 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.wso2.carbon.device.mgt.extensions.remote.session.dto;
|
||||
|
||||
import org.wso2.carbon.device.mgt.extensions.remote.session.dto.common.RemoteSession;
|
||||
|
||||
import javax.websocket.Session;
|
||||
|
||||
/**
|
||||
* {@link ClientSession} is the represent of client which will be connecting to the device
|
||||
*/
|
||||
public class ClientSession extends RemoteSession {
|
||||
|
||||
|
||||
public ClientSession(Session session, String tenantDomain, String deviceType, String deviceId, String operationId) {
|
||||
super(session, tenantDomain, deviceType, deviceId, operationId);
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public boolean applyThrottlingPolicy() {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,47 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. 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.wso2.carbon.device.mgt.extensions.remote.session.dto;
|
||||
|
||||
import org.wso2.carbon.device.mgt.extensions.remote.session.dto.common.RemoteSession;
|
||||
import org.wso2.carbon.device.mgt.extensions.remote.session.internal.RemoteSessionManagementDataHolder;
|
||||
|
||||
import javax.websocket.Session;
|
||||
|
||||
/**
|
||||
* {@link DeviceSession} is the represent of device which will be connecting based on client request
|
||||
*/
|
||||
public class DeviceSession extends RemoteSession {
|
||||
|
||||
|
||||
public DeviceSession(Session session, String tenantDomain, String deviceType, String deviceId, String operationId) {
|
||||
super(session, tenantDomain, deviceType, deviceId, operationId);
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public boolean applyThrottlingPolicy() {
|
||||
if (RemoteSessionManagementDataHolder.getInstance().getMessagesPerSession() > 0) {
|
||||
long minDurationMessagesPerSecond = 1000 / RemoteSessionManagementDataHolder.getInstance()
|
||||
.getMessagesPerSession();
|
||||
if ((System.currentTimeMillis() - getLastMessageTimeStamp()) < minDurationMessagesPerSecond) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
@ -1,125 +0,0 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. 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.wso2.carbon.device.mgt.extensions.remote.session.dto;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.wso2.carbon.device.mgt.extensions.remote.session.constants.RemoteSessionConstants;
|
||||
import org.wso2.carbon.device.mgt.extensions.remote.session.exception.RemoteSessionInvalidException;
|
||||
|
||||
import javax.websocket.CloseReason;
|
||||
import javax.websocket.Session;
|
||||
import java.io.IOException;
|
||||
import java.nio.ByteBuffer;
|
||||
|
||||
public class RemoteSession {
|
||||
|
||||
private static final Log log = LogFactory.getLog(RemoteSession.class);
|
||||
private String tenantDomain, operationId, deviceType, deviceId;
|
||||
private Session peerSession;
|
||||
private RemoteSessionConstants.CONNECTION_MODES connection_mode;
|
||||
private final Object writeLockObject = new Object();
|
||||
|
||||
|
||||
public RemoteSession(String tenantDomain, String deviceType, String deviceId, String operationId, RemoteSessionConstants.CONNECTION_MODES connection_mode) {
|
||||
this.deviceType = deviceType;
|
||||
this.deviceId = deviceId;
|
||||
this.tenantDomain = tenantDomain;
|
||||
this.operationId = operationId;
|
||||
this.connection_mode = connection_mode;
|
||||
}
|
||||
|
||||
public void sendMessageToPeer(String message) throws RemoteSessionInvalidException {
|
||||
if (peerSession != null && peerSession.isOpen()) {
|
||||
synchronized (writeLockObject) {
|
||||
try {
|
||||
peerSession.getBasicRemote().sendText(message);
|
||||
} catch (IOException e) {
|
||||
log.warn("Send data to session failed due to ", e);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
throw new RemoteSessionInvalidException("Peer Session already closed ", new CloseReason
|
||||
(CloseReason.CloseCodes.CANNOT_ACCEPT, "Peer Session already closed "));
|
||||
}
|
||||
}
|
||||
|
||||
public void sendMessageToPeer(byte[] message) throws RemoteSessionInvalidException {
|
||||
|
||||
if (peerSession != null && peerSession.isOpen()) {
|
||||
synchronized (writeLockObject) {
|
||||
try {
|
||||
peerSession.getBasicRemote().sendBinary(ByteBuffer.wrap(message));
|
||||
} catch (IOException e) {
|
||||
log.warn("Send data to session failed due to ", e);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
throw new RemoteSessionInvalidException("Peer Session already closed ", new CloseReason
|
||||
(CloseReason.CloseCodes.CANNOT_ACCEPT, "Peer Session already closed "));
|
||||
}
|
||||
}
|
||||
|
||||
public Session getPeerSession() {
|
||||
return peerSession;
|
||||
}
|
||||
|
||||
public void setPeerSession(Session peerSession) {
|
||||
this.peerSession = peerSession;
|
||||
}
|
||||
|
||||
public String getTenantDomain() {
|
||||
return tenantDomain;
|
||||
}
|
||||
|
||||
public void setTenantDomain(String tenantDomain) {
|
||||
this.tenantDomain = tenantDomain;
|
||||
}
|
||||
|
||||
public String getOperationId() {
|
||||
return operationId;
|
||||
}
|
||||
|
||||
public void setOperationId(String operationId) {
|
||||
this.operationId = operationId;
|
||||
}
|
||||
|
||||
public String getDeviceType() {
|
||||
return deviceType;
|
||||
}
|
||||
|
||||
public void setDeviceType(String deviceType) {
|
||||
this.deviceType = deviceType;
|
||||
}
|
||||
|
||||
public String getDeviceId() {
|
||||
return deviceId;
|
||||
}
|
||||
|
||||
public void setDeviceId(String deviceId) {
|
||||
this.deviceId = deviceId;
|
||||
}
|
||||
|
||||
public RemoteSessionConstants.CONNECTION_MODES getConnection_mode() {
|
||||
return connection_mode;
|
||||
}
|
||||
|
||||
public void setConnection_mode(RemoteSessionConstants.CONNECTION_MODES connection_mode) {
|
||||
this.connection_mode = connection_mode;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,154 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. 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.wso2.carbon.device.mgt.extensions.remote.session.dto.common;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.json.JSONObject;
|
||||
import org.wso2.carbon.device.mgt.extensions.remote.session.constants.RemoteSessionConstants;
|
||||
import org.wso2.carbon.device.mgt.extensions.remote.session.exception.RemoteSessionInvalidException;
|
||||
import org.wso2.carbon.device.mgt.extensions.remote.session.exception.RemoteSessionManagementException;
|
||||
|
||||
import javax.websocket.CloseReason;
|
||||
import javax.websocket.Session;
|
||||
import java.io.IOException;
|
||||
import java.nio.ByteBuffer;
|
||||
|
||||
/**
|
||||
* {@link RemoteSession} will represent remote websocket session
|
||||
* This class implements the behaviours of sending message to the session in multithreaded environment.
|
||||
*
|
||||
*/
|
||||
public abstract class RemoteSession {
|
||||
|
||||
private static final Log log = LogFactory.getLog(RemoteSession.class);
|
||||
private String tenantDomain, operationId, deviceType, deviceId;
|
||||
private long lastMessageTimeStamp = System.currentTimeMillis();
|
||||
;
|
||||
private RemoteSession peerSession;
|
||||
private Session mySession;
|
||||
private final Object writeLockObject = new Object();
|
||||
|
||||
protected RemoteSession(Session session, String tenantDomain, String deviceType, String deviceId, String
|
||||
operationId) {
|
||||
this.mySession = session;
|
||||
this.deviceType = deviceType;
|
||||
this.deviceId = deviceId;
|
||||
this.tenantDomain = tenantDomain;
|
||||
this.operationId = operationId;
|
||||
}
|
||||
|
||||
public void sendMessage(Object message) throws RemoteSessionInvalidException, RemoteSessionManagementException {
|
||||
|
||||
if (message != null) {
|
||||
boolean isMessageCountExceed = false;
|
||||
if (mySession != null && mySession.isOpen()) {
|
||||
synchronized (writeLockObject) {
|
||||
try {
|
||||
isMessageCountExceed = applyThrottlingPolicy();
|
||||
if (!isMessageCountExceed) {
|
||||
if (message instanceof String) {
|
||||
mySession.getBasicRemote().sendText(message.toString());
|
||||
} else {
|
||||
mySession.getBasicRemote().sendBinary(ByteBuffer.wrap((byte[]) message));
|
||||
}
|
||||
this.lastMessageTimeStamp = System.currentTimeMillis();
|
||||
}
|
||||
} catch (IOException e) {
|
||||
log.warn("Send data to session failed due to ", e);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
throw new RemoteSessionInvalidException("Peer Session already closed ", new CloseReason
|
||||
(CloseReason.CloseCodes.CANNOT_ACCEPT, "Peer Session already closed "));
|
||||
}
|
||||
|
||||
if (isMessageCountExceed) {
|
||||
JSONObject response = new JSONObject();
|
||||
response.put("code", RemoteSessionConstants.THROTTLE_OUT);
|
||||
sendMessageToPeer(message.toString());
|
||||
}
|
||||
} else {
|
||||
throw new RemoteSessionManagementException("Message is empty");
|
||||
}
|
||||
}
|
||||
|
||||
public void sendMessageToPeer(Object message) throws RemoteSessionInvalidException, RemoteSessionManagementException {
|
||||
peerSession.sendMessage(message);
|
||||
}
|
||||
|
||||
|
||||
public abstract boolean applyThrottlingPolicy();
|
||||
|
||||
|
||||
public Session getMySession() {
|
||||
return mySession;
|
||||
}
|
||||
|
||||
public void setMySession(Session mySession) {
|
||||
this.mySession = mySession;
|
||||
}
|
||||
|
||||
public RemoteSession getPeerSession() {
|
||||
return peerSession;
|
||||
}
|
||||
|
||||
public void setPeerSession(RemoteSession peerSession) {
|
||||
this.peerSession = peerSession;
|
||||
}
|
||||
|
||||
public String getTenantDomain() {
|
||||
return tenantDomain;
|
||||
}
|
||||
|
||||
public void setTenantDomain(String tenantDomain) {
|
||||
this.tenantDomain = tenantDomain;
|
||||
}
|
||||
|
||||
public String getOperationId() {
|
||||
return operationId;
|
||||
}
|
||||
|
||||
public void setOperationId(String operationId) {
|
||||
this.operationId = operationId;
|
||||
}
|
||||
|
||||
public String getDeviceType() {
|
||||
return deviceType;
|
||||
}
|
||||
|
||||
public void setDeviceType(String deviceType) {
|
||||
this.deviceType = deviceType;
|
||||
}
|
||||
|
||||
public String getDeviceId() {
|
||||
return deviceId;
|
||||
}
|
||||
|
||||
public void setDeviceId(String deviceId) {
|
||||
this.deviceId = deviceId;
|
||||
}
|
||||
|
||||
public long getLastMessageTimeStamp() {
|
||||
return lastMessageTimeStamp;
|
||||
}
|
||||
|
||||
public void setLastMessageTimeStamp(long lastMessageTimeStamp) {
|
||||
this.lastMessageTimeStamp = lastMessageTimeStamp;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue