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Commit 61493bc7 authored by Paras Garg's avatar Paras Garg
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Updated

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code/hpdos_rdma_offloaded/README.md
View file @ 61493bc7
Set up disni
export LD_LIBRARY_PATH=/usr/local/lib
How to setup RocksDB jar
1. Compiling RocksDb java from source code
make -j8 rocksjava DEBUG_LEVEL=0
......
code/hpdos_rdma_offloaded/app.config
View file @ 61493bc7
app.HOST=192.168.200.20
app.MASTER=true
app.cpu_affinity=4
#this is how to pair threads to cpu cores
app.cpu_affinity=2
//No of thread for each connectin
app.rdma_cluster_size=1
app.rdma_receive_queue=16
app.rdma_send_queue=16
app.rdma_polling=false
......
code/hpdos_rdma_offloaded/app_follower.config
View file @ 61493bc7
app.HOST=192.168.200.20
app.MASTER=false
app.cpu_affinity=4
app.rdma_cluster_size=3
app.rdma_receive_queue=16
app.rdma_send_queue=16
app.rdma_polling=false
......@@ -8,6 +9,7 @@ app.rdma_max_inline=0
app.rdma_server_port=1921
app.NETWORK_HANDLER_THREADS=10
app.REPLICATION_HANDLER_THREADS=10
app.db_path=/tmp/rocks
#The below properties are for master node only.
app.follower_registration_port=9876
......
code/hpdos_rdma_offloaded/build.gradle
View file @ 61493bc7
apply plugin: "application"
apply plugin: "java-library"
application
{
mainClassName = "hpdos_rdma_offloaded.MetadataServer"
}
mainClassName = "hpdos_rdma_offloaded.MetadataServer"
version '1.0-SNAPSHOT'
repositories
......
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/MetadataServer.java
View file @ 61493bc7
package hpdos_rdma_offloaded;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.util.Properties;
......@@ -18,13 +20,15 @@ import hpdos_rdma_offloaded.handler.RegistrationHandler;
import hpdos_rdma_offloaded.handler.StorageHandler;
import hpdos_rdma_offloaded.protocol.Request;
import hpdos_rdma_offloaded.protocol.Response;
import hpdos_rdma_offloaded.service.MetadataServerService;
import hpdos_rdma_offloaded.service.FollowerMetadataService;
import hpdos_rdma_offloaded.service.MasterMetadataServerService;
public class MetadataServer implements Runnable{
private String host;
private int poolsize;
private int recvQueue;
private int sendQueue;
private int clusterSize;
private int wqSize = recvQueue;
private boolean polling;
private int maxinline = 0;
......@@ -34,49 +38,68 @@ public class MetadataServer implements Runnable{
boolean isMaster;
StorageHandler storageHandler;
NetworkHandler networkHandler;
MetadataServerService metadataServerService;
MasterMetadataServerService metadataServerService = null;
FollowerMetadataService followerMetadataServerService = null;
RegistrationHandler registrationHandler = null;
public final static Properties properties= new Properties();;
public final static Properties properties= new Properties();
String propertyPath;
public MetadataServer(String propertyPath) throws IOException,RocksDBException {
public MetadataServer(String propertyPath) throws Exception,RocksDBException {
this.propertyPath = propertyPath;
InputStream inputStream = new FileInputStream(propertyPath);
properties.load(inputStream);
boolean isMaster = Boolean.valueOf((String)properties.get("app.MASTER"));
if(isMaster)
{
System.out.println("STARTING MASTER SERVICES.");
}
else
{
System.out.println("STARTING FOLLOWER SERVICES.");
}
isMaster = Boolean.valueOf((String)properties.get("app.MASTER"));
storageHandler = new StorageHandler(properties.getProperty("app.db_path"));
networkHandler = new NetworkHandler(this.storageHandler, properties);
metadataServerService = new MetadataServerService(this.networkHandler);
registrationHandler = new RegistrationHandler(properties);
this.isMaster = Boolean.valueOf((String)properties.get("app.MASTER"));
host = (String) properties.get("app.HOST");
poolsize = Integer.valueOf( (String)properties.get("app.cpu_affinity"));
recvQueue = Integer.valueOf( (String)properties.get("app.rdma_receive_queue"));
sendQueue = Integer.valueOf( (String) properties.get("app.rdma_send_queue"));
host = properties.getProperty("app.HOST");
poolsize = Integer.valueOf( properties.getProperty("app.cpu_affinity"));
recvQueue = Integer.valueOf(properties.getProperty("app.rdma_receive_queue"));
sendQueue = Integer.valueOf( properties.getProperty("app.rdma_send_queue"));
clusterSize = Integer.valueOf(properties.getProperty("app.rdma_cluster_size"));
wqSize = recvQueue;
maxinline = Integer.valueOf((String) properties.get("app.rdma_max_inline"));
rdma_port = Integer.valueOf((String) properties.get("app.rdma_server_port"));
polling = Boolean.valueOf((String) properties.get("app.rdma_polling"));
maxinline = Integer.valueOf(properties.getProperty("app.rdma_max_inline"));
rdma_port = Integer.valueOf(properties.getProperty("app.rdma_server_port"));
polling = Boolean.valueOf(properties.getProperty("app.rdma_polling"));
int registrationPort = Integer.valueOf(properties.getProperty("app.follower_registration_port"));
clusterAffinities = new long[poolsize];
for (int i = 0; i < poolsize; i++)
{
long cpu = 1L << i;
clusterAffinities[i] = cpu;
System.out.println(cpu);
}
isMaster = Boolean.valueOf(properties.getProperty("app.MASTER"));
storageHandler = new StorageHandler(properties.getProperty("app.db_path"));
networkHandler = new NetworkHandler(isMaster);
// metadataServerService = new MasterMetadataServerService(this.networkHandler,storageHandler);
registrationHandler = new RegistrationHandler(isMaster,host,registrationPort, networkHandler);
if(isMaster)
{
System.out.println("STARTING MASTER SERVICES.");
metadataServerService = new MasterMetadataServerService(this.networkHandler,storageHandler);
}
else
{
System.out.println("STARTING FOLLOWER SERVICES.");
followerMetadataServerService = new FollowerMetadataService(storageHandler);
}
}
public void run(){
// MetadataServerService rpcService = new MetadataServerService();
DaRPCServerGroup<Request, Response> group = null;
try
{
group = DaRPCServerGroup.createServerGroup(this.metadataServerService, this.clusterAffinities, -1, maxinline, polling, recvQueue, sendQueue, wqSize, 32);
if (isMaster) {
group = DaRPCServerGroup.createServerGroup(this.metadataServerService, this.clusterAffinities, 1000, maxinline, polling, recvQueue, sendQueue, wqSize, clusterSize);
} else {
group = DaRPCServerGroup.createServerGroup(this.followerMetadataServerService, this.clusterAffinities, 1000, maxinline, polling, recvQueue, sendQueue, wqSize, clusterSize);
}
RdmaServerEndpoint<DaRPCServerEndpoint<Request, Response>> serverEp = null;
serverEp = group.createServerEndpoint();
InetSocketAddress address = new InetSocketAddress(host, rdma_port);
......@@ -102,7 +125,10 @@ public class MetadataServer implements Runnable{
public static void main(String[] args) throws Exception
{
RocksDB.loadLibrary();
new MetadataServer(args[0]).run();
System.out.println("Rocksdb Exception occur");
//var process = Runtime.getRuntime().exec("/bin/sh export LD_LIBRARY_PATH=/usr/local/lib");
//process.wait();
// System.out.println("Exit value "+process.exitValue());
Runnable r = new MetadataServer(args[0]);
new Thread(r).start();
}
}
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/handler/RegistrationHandler.java
View file @ 61493bc7
......@@ -7,31 +7,34 @@ import java.lang.ClassNotFoundException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Properties;
import java.util.UUID;
public class RegistrationHandler {
public ServerSocket server;
public int port = 9876;
boolean isMaster;
String registrationServerIp;
int follower_registration_port;
int sal_registration_port;
public RegistrationHandler(Properties properties) throws IOException {
this.isMaster = Boolean.valueOf((String)properties.get("app.MASTER"));
NetworkHandler networkHandler;
if (this.isMaster) {
this.follower_registration_port = Integer.valueOf((String)properties.get("app.follower_registration_port"));
this.sal_registration_port = Integer.valueOf((String)properties.get("app.follower_registration_port"));
public RegistrationHandler(boolean isMaster, String registrationServerIP, int registrationPort, NetworkHandler networkHandler) throws IOException {
this.registrationServerIp = registrationServerIP;
this.follower_registration_port = 9876;
this.sal_registration_port = 9875;
this.networkHandler = networkHandler;
if (isMaster)
{
startFollowerRegistrationHandlerServer();
startSalRegistrationHandlerServer();
} else {
}
else {
// Follower follower = new Follower();
// follower.setFollowerId( UUID.randomUUID().toString());
// follower.setIpAddress("192.168.200.20");
String followerUUID = UUID.randomUUID().toString();
String followerIp = "192.168.200.20";
String followerIp = registrationServerIP;
String message = followerUUID + ";" + followerIp;
sendRegistrationRequest(message);
}
......@@ -39,10 +42,10 @@ public class RegistrationHandler {
private void sendRegistrationRequest(String message) throws IOException {
System.out.println("Sending a registration request");
InetAddress host = InetAddress.getByName("192.168.200.20");
InetAddress host = InetAddress.getByName(this.registrationServerIp);
Socket socket = null;
ObjectOutputStream oos = null;
socket = new Socket(host.getHostName(), 9876);
socket = new Socket(this.registrationServerIp, 9876);
oos = new ObjectOutputStream(socket.getOutputStream());
oos.writeObject(message);
}
......@@ -50,10 +53,12 @@ public class RegistrationHandler {
public void startFollowerRegistrationHandlerServer(){
Runnable serverTask = new Runnable() {
@Override
public void run() {
try {
InetAddress addr = InetAddress.getByName("192.168.200.20");
ServerSocket serverSocket = new ServerSocket(9876, 50, addr);
public void run()
{
try
{
InetAddress addr = InetAddress.getByName(registrationServerIp);
ServerSocket serverSocket = new ServerSocket(follower_registration_port, 50, addr);
System.out.println("Started the follower registration service...");
while (true) {
Socket socket = serverSocket.accept();
......@@ -65,8 +70,8 @@ public class RegistrationHandler {
String followerIp = arr[1];
System.out.println("Got follower ip: " + followerIp + " , with UUID of: " + followerUUID);
NetworkHandler networkHandler = new NetworkHandler();
networkHandler.connectToFollower(followerUUID, followerIp);
NetworkHandler networkHandler = new NetworkHandler();
networkHandler.connectToFollower(followerUUID, followerIp);
System.out.println("RDMA connection establised");
// Add the follower details to the respective class/component
// clientProcessingPool.submit(new ClientTask(clientSocket));
......@@ -86,16 +91,18 @@ public class RegistrationHandler {
@Override
public void run() {
try {
ServerSocket serverSocket = new ServerSocket(9875);
InetAddress addr = InetAddress.getByName(registrationServerIp);
ServerSocket serverSocket = new ServerSocket(sal_registration_port, 50, addr);
System.out.println("Started the SAL registration service...");
while (true) {
Socket socket = serverSocket.accept();
ObjectInputStream ois = new ObjectInputStream(socket.getInputStream());
String message = (String) ois.readObject();
// Send a response back with the list of followers to the SAL
String ip = (String) ois.readObject();
NetworkHandler networkHandler = new NetworkHandler();
networkHandler.connectToSal(ip);
// clientProcessingPool.submit(new ClientTask(clientSocket));
}
} catch (IOException | ClassNotFoundException e) {
} catch (Exception e) {
System.err.println("Unable to process client request");
e.printStackTrace();
}
......
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/handler/StorageHandler.java
View file @ 61493bc7
......@@ -4,6 +4,9 @@ import org.rocksdb.RocksDB;
import org.rocksdb.Options;
import org.rocksdb.RocksDBException;
import hpdos_rdma_offloaded.protocol.Request;
public class StorageHandler implements AutoCloseable{
RocksDB rocksDB;
......@@ -27,16 +30,32 @@ public class StorageHandler implements AutoCloseable{
public void create(byte[] key,byte[] value) throws RocksDBException{
rocksDB.put(key,value);
}
public void create(Request request) throws RocksDBException {
System.out.println("Writing to local");
rocksDB.put(request.getKey(),request.getValue());
}
public byte[] read(byte[] key)throws RocksDBException
{
return rocksDB.get(key);
}
public byte[] read(Request request)throws RocksDBException
{
return rocksDB.get(request.getKey());
}
public void update(byte[] key,byte[] value) throws RocksDBException
{
rocksDB.put(key,value);
}
public void update(Request request) throws RocksDBException
{
rocksDB.put(request.getKey(),request.getValue());
}
public void delete(byte[] key) throws RocksDBException
{
rocksDB.delete(key);
}
public void delete(Request request) throws RocksDBException
{
rocksDB.delete(request.getKey());
}
}
\ No newline at end of file
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/protocol/AckType.java
View file @ 61493bc7
......@@ -6,6 +6,8 @@ public interface AckType
public static int NOTFOUND = 1;
public static int NOTALLOWED = 2;
public static int DBFAILED = 3;
public static int SUCCESS_WITH_VALUE = 4;
public static int FAILED = 4;
public static int SUCCESS_WITH_VALUE = 5;
public static int INVALID_REQUEST = 6;
}
\ No newline at end of file
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/rdma_invalidation_protocol/InvalidationRequest.java → code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/protocol/InvalidationRequest.java
View file @ 61493bc7
package hpdos_rdma_offloaded.rdma_invalidation_protocol;
package hpdos_rdma_offloaded.protocol;
import java.io.IOException;
import java.nio.ByteBuffer;
......@@ -6,34 +6,31 @@ import java.nio.ByteBuffer;
import com.ibm.darpc.DaRPCMessage;
public class InvalidationRequest implements DaRPCMessage {
public String key;
private static char[] dst = new char[100];
private int SERIALIZED_SIZE = 256;
public byte[] key;
private static int SERIALIZED_SIZE = 128 ;
@Override
public int write(ByteBuffer buffer) throws IOException {
buffer.asCharBuffer().put(key);
buffer.put(key);
return SERIALIZED_SIZE;
}
@Override
public void update(ByteBuffer buffer) throws IOException {
buffer.asCharBuffer().get(dst, 0, 99);
String s = new String(dst);
s = s.trim();
key = s;
if(key == null)
key = new byte[128];
buffer.get(key);
}
@Override
public int size() {
return SERIALIZED_SIZE;
}
public String getKey() {
public byte[] getKey() {
return key;
}
public void setKey(String key) {
public void setKey(byte[] key) {
this.key = key;
}
}
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/rdma_invalidation_protocol/InvalidationResponse.java → code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/protocol/InvalidationResponse.java
View file @ 61493bc7
package hpdos_rdma_offloaded.rdma_invalidation_protocol;
package hpdos_rdma_offloaded.protocol;
import java.io.IOException;
import java.nio.ByteBuffer;
......@@ -6,23 +6,32 @@ import java.nio.ByteBuffer;
import com.ibm.darpc.DaRPCMessage;
public class InvalidationResponse implements DaRPCMessage{
public static int SERIALIZED_SIZE = 4;
private int ack;
@Override
public int write(ByteBuffer buffer) throws IOException {
public int write(ByteBuffer buffer) throws IOException
{
buffer.putInt(ack);
return 0;
}
@Override
public void update(ByteBuffer buffer) throws IOException {
public void update(ByteBuffer buffer) throws IOException
{
buffer.getInt(ack);
}
@Override
public int size() {
return 0;
return SERIALIZED_SIZE;
}
public void setAck(int ack){
this.ack = ack;
}
public int getAck()
{
return this.ack;
}
}
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/protocol/Request.java
View file @ 61493bc7
......@@ -16,7 +16,7 @@ public class Request implements DaRPCMessage
@Override
public int write(ByteBuffer buffer) throws IOException
{
System.out.println("Request Write Method");
// System.out.println("Request Write Method");
buffer.putInt(requestType);
buffer.put(key);
//if operation type is get and delete then value is not required
......@@ -33,7 +33,7 @@ public class Request implements DaRPCMessage
@Override
public void update(ByteBuffer buffer) throws IOException
{
System.out.println("Request update method");
// System.out.println("Request update method");
requestType = buffer.getInt();
if(key == null || key.length != 128)
this.key = new byte[128];
......
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/protocol/RequestType.java
View file @ 61493bc7
......@@ -2,8 +2,8 @@ package hpdos_rdma_offloaded.protocol;
public interface RequestType
{
public static int GET =101;
public static int PUT =100;
public static int GET =101;
public static int DELETE =102;
public static int INVALIDATE = 103;
......
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/protocol/Response.java
View file @ 61493bc7
......@@ -14,7 +14,7 @@ public class Response implements DaRPCMessage{
@Override
public int write(ByteBuffer buffer) throws IOException
{
System.out.println("Response write Method");
// System.out.println("Response write Method");
buffer.putInt(ack);
if(ack == AckType.SUCCESS_WITH_VALUE)
{
......@@ -27,7 +27,7 @@ public class Response implements DaRPCMessage{
@Override
public void update(ByteBuffer buffer) throws IOException
{
System.out.println("esponse update method");
// System.out.println("esponse update method");
ack = buffer.getInt();
if(ack == AckType.SUCCESS_WITH_VALUE)
{
......
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/service/MetadataServerService.java → code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/service/FollowerMetadataService.java
View file @ 61493bc7
package hpdos_rdma_offloaded.service;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import com.ibm.darpc.DaRPCClientGroup;
import com.ibm.darpc.DaRPCServerEndpoint;
import com.ibm.darpc.DaRPCServerEvent;
import com.ibm.darpc.DaRPCService;
import org.rocksdb.RocksDBException;
import hpdos_rdma_offloaded.handler.NetworkHandler;
import hpdos_rdma_offloaded.handler.StorageHandler;
import hpdos_rdma_offloaded.lib.Packet;
import hpdos_rdma_offloaded.protocol.AckType;
import hpdos_rdma_offloaded.protocol.InvalidationRequest;
import hpdos_rdma_offloaded.protocol.InvalidationResponse;
import hpdos_rdma_offloaded.protocol.Request;
import hpdos_rdma_offloaded.protocol.RequestType;
import hpdos_rdma_offloaded.protocol.Response;
import hpdos_rdma_offloaded.protocol.RpcProtocol;
public class MetadataServerService extends RpcProtocol implements DaRPCService<Request, Response>{
NetworkHandler networkHandler;
public MetadataServerService(NetworkHandler networkHandler){
this.networkHandler = networkHandler;
public class FollowerMetadataService extends RpcProtocol implements DaRPCService<Request, Response>{
StorageHandler storageHandler;
DaRPCClientGroup<InvalidationRequest, InvalidationResponse> invalidationClientGroup;
public FollowerMetadataService(StorageHandler storageHandler) throws Exception{
System.out.println("New MetadataServerService Created");
this.storageHandler = storageHandler;
}
@Override
public void processServerEvent(DaRPCServerEvent<Request, Response> event) throws IOException {
Request request = event.getReceiveMessage();
Response response = event.getSendMessage();
if (request.getRequestType() == RequestType.PUT) {
// Write code for create
Packet packet = new Packet(request.getRequestType(), request.getKey(), request.getValue());
try
{
this.networkHandler.create(packet);
System.out.print("Received "+request.getRequestType()+" Request for key: " + new String(request.getKey()));
if(request.getValue() != null)
System.out.print(" value : "+ new String(request.getValue()) );
System.out.println();
try{
if (request.getRequestType() == RequestType.PUT) {
this.storageHandler.create(request);
response.setAck(AckType.SUCCESS);
response.setKey(null);
response.setValue(null);
}
catch(RocksDBException ex)
{
ex.printStackTrace();
response.setAck(AckType.DBFAILED);
}
catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
}
else if(request.getRequestType() == RequestType.GET) {
Packet packet = new Packet(request.getRequestType(), request.getKey(), null);
try
{
byte[] value = this.networkHandler.read(packet);
}
else if(request.getRequestType() == RequestType.GET) {
byte[] value = this.storageHandler.read(request);
if(value == null)
{
response.setAck(AckType.NOTFOUND);
......@@ -62,37 +56,24 @@ public class MetadataServerService extends RpcProtocol implements DaRPCService<R
response.setValue(value);
}
}
catch(RocksDBException ex)
{
ex.printStackTrace();
response.setAck(AckType.DBFAILED);
}
catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
// Write code for read
}
else if(request.getRequestType() == RequestType.DELETE){
try{
Packet packet = new Packet(request.getRequestType(), request.getKey(), null);
this.networkHandler.delete(packet);
else if(request.getRequestType() == RequestType.DELETE){
this.storageHandler.delete(request);
response.setAck(AckType.SUCCESS);
}
catch(RocksDBException ex)
{
else{
response.setAck(AckType.INVALID_REQUEST);
}
}
catch(RocksDBException ex){
ex.printStackTrace();
response.setAck(AckType.DBFAILED);
}catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
// Write code for delete
}
event.triggerResponse();
}
@Override
public void open(DaRPCServerEndpoint<Request, Response> rpcClientEndpoint) {
System.out.println("Received new connection...");
System.out.print("Received new connection ");
}
@Override
......
code/hpdos_rdma_offloaded/src/main/java/hpdos_rdma_offloaded/service/MasterMetadataServerService.java 0 → 100644
View file @ 61493bc7
package hpdos_rdma_offloaded.service;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutionException;
import com.ibm.darpc.DaRPCClientEndpoint;
import com.ibm.darpc.DaRPCClientGroup;
import com.ibm.darpc.DaRPCServerEndpoint;
import com.ibm.darpc.DaRPCServerEvent;
import com.ibm.darpc.DaRPCService;
import com.ibm.darpc.DaRPCStream;
import org.rocksdb.RocksDBException;
import hpdos_rdma_offloaded.handler.NetworkHandler;
import hpdos_rdma_offloaded.handler.StorageHandler;
import hpdos_rdma_offloaded.lib.Packet;
import hpdos_rdma_offloaded.protocol.AckType;
import hpdos_rdma_offloaded.protocol.InvalidationRequest;
import hpdos_rdma_offloaded.protocol.InvalidationResponse;
import hpdos_rdma_offloaded.protocol.InvalidationRpcProtocol;
import hpdos_rdma_offloaded.protocol.Request;
import hpdos_rdma_offloaded.protocol.RequestType;
import hpdos_rdma_offloaded.protocol.Response;
import hpdos_rdma_offloaded.protocol.RpcProtocol;
public class MasterMetadataServerService extends RpcProtocol implements DaRPCService<Request, Response>{
NetworkHandler networkHandler;
StorageHandler storageHandler;
ConcurrentHashMap<SocketAddress,DaRPCStream<InvalidationRequest, InvalidationResponse>> invalidationClientEpStreams;
ConcurrentHashMap<SocketAddress,DaRPCClientEndpoint<InvalidationRequest, InvalidationResponse>> invalidationClientEps;
DaRPCClientGroup<InvalidationRequest, InvalidationResponse> invalidationClientGroup;
public MasterMetadataServerService(NetworkHandler networkHandler,StorageHandler storageHandler) throws Exception{
System.out.println("New MetadataServerService Created");
this.networkHandler = networkHandler;
this.storageHandler = storageHandler;
this.invalidationClientEpStreams = new ConcurrentHashMap<>();
this.invalidationClientEps = new ConcurrentHashMap<>();
this.networkHandler.setClientStreams(this.invalidationClientEpStreams);
InvalidationRpcProtocol rpcProtocol = new InvalidationRpcProtocol();
invalidationClientGroup = DaRPCClientGroup.createClientGroup(rpcProtocol, 100, 0, 16, 16);
}
@Override
public void processServerEvent(DaRPCServerEvent<Request, Response> event) throws IOException {
Request request = event.getReceiveMessage();
Response response = event.getSendMessage();
Packet packet = new Packet(request.getRequestType(), request.getKey(), request.getValue());
System.out.print("Received "+request.getRequestType()+" Request for key: " + new String(request.getKey()));
if(request.getValue() != null)
System.out.print(" value : "+ new String(request.getValue()) );
System.out.println();
try{
if (request.getRequestType() == RequestType.PUT) {
this.storageHandler.create(request);
this.networkHandler.create(packet);
this.networkHandler.sendInvalidateRequest(request);
//Yet to consume isDone
// var isDone = this.networkHandler.consumeReplicationRequestFutures(replicationRequestFutures);
response.setAck(AckType.SUCCESS);
response.setKey(null);
response.setValue(null);
}
else if(request.getRequestType() == RequestType.GET) {
byte[] value = this.storageHandler.read(request);
if(value == null)
{
response.setAck(AckType.NOTFOUND);
}
else
{
response.setAck(AckType.SUCCESS_WITH_VALUE);
response.setValue(value);
}
}
else if(request.getRequestType() == RequestType.DELETE){
this.storageHandler.delete(request);
// var replicationRequestFutures = this.networkHandler.sendReplicateRequest(request);
//Yet to consume isDone
// var isDone = this.networkHandler.consumeReplicationRequestFutures(replicationRequestFutures);
response.setAck(AckType.SUCCESS);
}
else{
response.setAck(AckType.INVALID_REQUEST);
}
}
catch(RocksDBException | InterruptedException | ExecutionException ex){
ex.printStackTrace();
response.setAck(AckType.DBFAILED);
}
event.triggerResponse();
}
@Override
public void open(DaRPCServerEndpoint<Request, Response> rpcClientEndpoint) {
System.out.print("Received new connection ");
// try{
// System.out.println(rpcClientEndpoint.getDstAddr()+" "+rpcClientEndpoint.getSrcAddr());
// String clientIP = ((InetSocketAddress)rpcClientEndpoint.getDstAddr()).getHostName();
// InetSocketAddress clientSocketAddress = new InetSocketAddress(clientIP,1921);
// System.out.println("Creating Endpoint");
// var invalidationClientEp = invalidationClientGroup.createEndpoint();
// invalidationClientEp.connect(clientSocketAddress, 100);
// System.out.println("accepted");
// if(invalidationClientEp.isConnected()){
// invalidationClientEpStreams.put(rpcClientEndpoint.getDstAddr(),invalidationClientEp.createStream());
// invalidationClientEps.put(rpcClientEndpoint.getDstAddr(),invalidationClientEp);
// }
// else{
// System.out.println("Not able to Connect to client for invalidation");
// }
// }
// catch(Exception e){
// e.printStackTrace();
// }
}
@Override
public void close(DaRPCServerEndpoint<Request, Response> rpcClientEndpoint) {
System.out.println("Closing Connection");
// try
// {
// invalidationClientEpStreams.remove(rpcClientEndpoint.getDstAddr());
// invalidationClientEps.remove(rpcClientEndpoint.getDstAddr()).close();
// System.out.println("After remove"+invalidationClientEpStreams.size());
// }catch(Exception e)
// {
// e.printStackTrace();
// }
}
}
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