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    • com.netflix.evcache.connection.BaseAsciiConnectionFactory Maven / Gradle / Ivy

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    package com.netflix.evcache.connection;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.channels.SocketChannel;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;

import com.netflix.archaius.api.Property;
import com.netflix.evcache.EVCacheTranscoder;
import com.netflix.evcache.operation.EVCacheAsciiOperationFactory;
import com.netflix.evcache.pool.EVCacheClient;
import com.netflix.evcache.pool.EVCacheClientPool;
import com.netflix.evcache.pool.EVCacheClientPoolManager;
import com.netflix.evcache.pool.EVCacheKetamaNodeLocatorConfiguration;
import com.netflix.evcache.pool.EVCacheNodeLocator;
import com.netflix.evcache.util.EVCacheConfig;

import net.spy.memcached.ConnectionObserver;
import net.spy.memcached.DefaultConnectionFactory;
import net.spy.memcached.DefaultHashAlgorithm;
import net.spy.memcached.EVCacheConnection;
import net.spy.memcached.FailureMode;
import net.spy.memcached.HashAlgorithm;
import net.spy.memcached.MemcachedConnection;
import net.spy.memcached.MemcachedNode;
import net.spy.memcached.NodeLocator;
import net.spy.memcached.OperationFactory;
import net.spy.memcached.ops.Operation;
import net.spy.memcached.protocol.ascii.AsciiOperationFactory;
import net.spy.memcached.protocol.ascii.EVCacheAsciiNodeImpl;
import net.spy.memcached.transcoders.Transcoder;

public class BaseAsciiConnectionFactory extends DefaultConnectionFactory {

    protected final String name;
    protected final String appName;
    protected final Property operationTimeout;
    protected final long opMaxBlockTime;
    protected EVCacheNodeLocator locator;
    protected final long startTime;
    protected final EVCacheClient client;
    protected final Property failureMode;

    BaseAsciiConnectionFactory(EVCacheClient client, int len, Property _operationTimeout, long opMaxBlockTime) {
        super(len, DefaultConnectionFactory.DEFAULT_READ_BUFFER_SIZE, DefaultHashAlgorithm.KETAMA_HASH);
        this.opMaxBlockTime = opMaxBlockTime;
        this.operationTimeout = _operationTimeout;
        this.client = client;
        this.startTime = System.currentTimeMillis();

        this.appName = client.getAppName();
        this.failureMode = client.getPool().getEVCacheClientPoolManager().getEVCacheConfig().getPropertyRepository().get(this.client.getServerGroupName() + ".failure.mode", String.class).orElseGet(appName + ".failure.mode").orElse("Retry");
        this.name = appName + "-" + client.getServerGroupName() + "-" + client.getId();
    }

    public NodeLocator createLocator(List list) {
        this.locator = new EVCacheNodeLocator(client, list, DefaultHashAlgorithm.KETAMA_HASH, new EVCacheKetamaNodeLocatorConfiguration(client));
        return locator;
    }

    public EVCacheNodeLocator getEVCacheNodeLocator() {
        return this.locator;
    }

    public long getMaxReconnectDelay() {
        return super.getMaxReconnectDelay();
    }

    public int getOpQueueLen() {
        return super.getOpQueueLen();
    }

    public int getReadBufSize() {
        return super.getReadBufSize();
    }

    public BlockingQueue createOperationQueue() {
        return new ArrayBlockingQueue(getOpQueueLen());
    }

    public MemcachedConnection createConnection(List addrs) throws IOException {
        return new EVCacheConnection(name, getReadBufSize(), this, addrs, getInitialObservers(), getFailureMode(),
                getOperationFactory());
    }

    public EVCacheAsciiOperationFactory getOperationFactory() {
      return new EVCacheAsciiOperationFactory();
    }

    public MemcachedNode createMemcachedNode(SocketAddress sa, SocketChannel c, int bufSize) {
        boolean doAuth = false;
        final EVCacheAsciiNodeImpl node = new EVCacheAsciiNodeImpl(sa, c, bufSize, createReadOperationQueue(),
                createWriteOperationQueue(), createOperationQueue(),
                opMaxBlockTime, doAuth, getOperationTimeout(), getAuthWaitTime(), this, client,
                startTime);
        node.registerMonitors();
        return node;
    }

    public long getOperationTimeout() {
        return operationTimeout.get();
    }

    public BlockingQueue createReadOperationQueue() {
        return super.createReadOperationQueue();
    }

    public BlockingQueue createWriteOperationQueue() {
        return super.createWriteOperationQueue();
    }

    public Transcoder getDefaultTranscoder() {
        return new EVCacheTranscoder();
    }

    public FailureMode getFailureMode() {
        try {
            return FailureMode.valueOf(failureMode.get());
        } catch (IllegalArgumentException ex) {
            return FailureMode.Cancel;
        }
    }

    public HashAlgorithm getHashAlg() {
        return super.getHashAlg();
    }

    public Collection getInitialObservers() {
        return super.getInitialObservers();
    }

    public boolean isDaemon() {
        return EVCacheConfig.getInstance().getPropertyRepository().get("evcache.thread.daemon", Boolean.class).orElse(super.isDaemon()).get();
    }

    public boolean shouldOptimize() {
        return EVCacheConfig.getInstance().getPropertyRepository().get("evcache.broadcast.ascii.connection.optimize", Boolean.class).orElse(true).get();
    }

    public boolean isDefaultExecutorService() {
        return false;
    }

    public ExecutorService getListenerExecutorService() {
        return client.getPool().getEVCacheClientPoolManager().getEVCacheExecutor();
    }

    public int getId() {
        return client.getId();
    }

    public String getZone() {
        return client.getServerGroup().getZone();
    }

    public String getServerGroupName() {
        return client.getServerGroup().getName();
    }

    public String getReplicaSetName() {
        return client.getServerGroup().getName();
    }

    public String getAppName() {
        return this.appName;
    }

    public String toString() {
        return name;
    }

    public EVCacheClientPoolManager getEVCacheClientPoolManager() {
        return this.client.getPool().getEVCacheClientPoolManager();
    }

    public EVCacheClientPool getEVCacheClientPool() {
        return this.client.getPool();
    }

    public EVCacheClient getEVCacheClient() {
        return this.client;
    }
}
    
    
    
    

    




    
    
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