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package org.glassfish.loadbalancer.admin.cli;
import java.util.Map;
import java.util.HashMap;
import java.util.StringTokenizer;
import java.beans.PropertyVetoException;
import org.jvnet.hk2.config.*;
import org.glassfish.api.ActionReport;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.ServerRef;
import com.sun.enterprise.config.serverbeans.Cluster;
import org.glassfish.api.admin.*;
import org.glassfish.api.ActionReport.ExitCode;
import javax.inject.Inject;
/**
* Base class for all the LB commands
* @author Yamini K B
*/
public class LBCommandsBase {
@Inject
Domain domain;
final private static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(LBCommandsBase.class);
Map<String,Integer> getInstanceWeightsMap(String weights) throws CommandException
{
HashMap<String,Integer> map = new HashMap();
StringTokenizer st = new StringTokenizer(weights, ":");
while (st.hasMoreTokens()) {
String token = st.nextToken();
String insName = null;
String value = null;
insName = token.substring(0, token.indexOf("="));
value = token.substring(token.indexOf("=") + 1);
Integer weightInt;
try
{
weightInt = Integer.valueOf(value);
}
catch (NumberFormatException nfe)
{
throw new CommandException("Invalid weight value");
}
map.put(insName, weightInt);
}
return map;
}
void updateLBForCluster(ActionReport report, String clusterName, String value, String timeout) {
Cluster c = domain.getClusterNamed(clusterName);
if ( c == null ) {
report.setMessage("Cluster not defined");
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
for (ServerRef sRef:c.getServerRef()) {
try {
updateLbEnabled(sRef, value, timeout);
} catch(TransactionFailure ex) {
report.setMessage("Failed to update lb-enabled");
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
}
}
ServerRef getServerRefFromCluster(ActionReport report, String target) {
// check if this server is part of cluster
Cluster c = domain.getClusterForInstance(target);
if (c == null) {
report.setMessage("ServerNotDefined");
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return null;
} else {
return c.getServerRefByRef(target);
}
}
void updateLbEnabled(final ServerRef ref, final String v, final String tOut)
throws TransactionFailure {
ConfigSupport.apply(new SingleConfigCode<ServerRef>() {
@Override
public Object run(ServerRef param) throws PropertyVetoException, TransactionFailure {
param.setLbEnabled(v);
if(v.equals("false") && tOut != null) {
param.setDisableTimeoutInMinutes(tOut);
}
return Boolean.TRUE;
}
}, ref);
}
void checkCommandStatus(AdminCommandContext context) throws CommandException {
if(context.getActionReport().getActionExitCode() != ExitCode.SUCCESS) {
throw new CommandException(context.getActionReport().getMessage());
}
}
}