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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model;
/**
* There is one config proxy running on each Vespa host, and one instance of
* this class is therefore created by each instance of class {@link
* com.yahoo.vespa.model.Host}.
*
* NOTE: The Config proxy is not started by the config system, and
* does not receive any config. It's included here so we know what host
* it runs on, and to give an error message if another service tries
* to reserve the port it is using.
*
* @author Vidar Larsen
* @author Harald Musum
*/
public class ConfigProxy extends AbstractService {
public final static int BASEPORT = 19090;
/**
* Creates a new ConfigProxy instance.
*
* @param host hostname
*/
public ConfigProxy(Host host) {
super(host, "configproxy");
portsMeta.on(0).tag("rpc").tag("client").tag("status").tag("rpc").tag("admin");
setProp("clustertype", "hosts");
setProp("clustername", "admin");
}
@Override
public void allocatePorts(int start, PortAllocBridge from) {
if (start == 0) start = BASEPORT;
from.requirePort(start, "rpc");
}
/**
* Returns the desired base port for this service.
*/
public int getWantedPort() { return BASEPORT; }
/**
* The desired base port is the only allowed base port.
*/
public boolean requiresWantedPort() { return true; }
/**
* ConfigProxy needs one rpc client port.
*
* @return The number of ports reserved by the config proxy
*/
public int getPortCount() { return 1; }
}
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