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package com.ericsson.ssa.container;
import com.ericsson.ssa.config.Config;
import com.ericsson.ssa.config.ConfigFactory;
import com.ericsson.ssa.sip.dns.SipTransports;
import com.ericsson.ssa.sip.dns.TargetTuple;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* A SipBindingCtx is a snapshot of sip-listener from config.
* Or the SipBindingCtx is artificially devised to reflect public bindings or
* old style configuration.
* @author ELNELBO
*/
public class SipBindingCtx {
private static final String SSL ="/Ssl";
private SipBindingResolver resolver;
private String context;
private Config config = ConfigFactory.getConfig();
boolean sipListener;
SipBindingCtx(SipBindingResolver aResolver, String aContext,
TargetTuple[] aTargetTuples) {
this(aResolver, aContext, aTargetTuples, true);
}
SipBindingCtx(SipBindingResolver aResolver, String aContext,
TargetTuple[] aTargetTuples, boolean isSipListener) {
resolver = aResolver;
context = aContext;
sipListener = isSipListener;
snapshot(aTargetTuples);
}
public String getContext() {
return context;
}
public String getId() {
return id;
}
public TargetTuple[] getTargetTuples() {
return targetTuples;
}
public boolean isEnabled() {
return enabled;
}
public boolean isExternal() {
return external;
}
public boolean isInternal(){
return internal;
}
public boolean isDefault(){
return (!internal && !external);
}
public String getExternalSipAddress() {
return externalSipAddress;
}
public String getExternalSipPort() {
return externalSipPort;
}
public String getSSLAttribute(String anAttribute) {
return sslAttributes.get(anAttribute);
}
/**
* Checks whether the SipBindingCtx is still up to date.
* @return true if SipBindingCtx is still false if still up to date.
*/
public boolean isStale() {
return resolver.isStale(this);
}
public TargetTuple getTargetTupleForProtocol(SipTransports protocol){
TargetTuple ttOfProto = null;
if (targetTuples!=null) {
for (TargetTuple tt : targetTuples) {
if (tt.getProtocol().ordinal()==protocol.ordinal()) {
ttOfProto = tt;
break;
}
}
}
return ttOfProto;
}
//Update support
public enum UpdateHint {
UP_TO_DATE(0x00),
ENABLE_DISABLED(0x01), //00001
SSL_UPDATE(0x02), //00010
TARGET_TUPLE_UPDATE(0x04), //00100
MULTIPLE(0x08), //01000
NOT_SAME(0x10); //10000
private int hint;
private int mask;
UpdateHint(int aHint) {
hint = aHint;
mask=hint;
}
public int mask() {
return this==MULTIPLE ? mask : hint;
}
public boolean contains(UpdateHint aHint) {
return this==MULTIPLE ? (mask&aHint.hint)>0 : false;
}
int mask(UpdateHint aHint) {
mask ^= aHint.hint;
return this==MULTIPLE ? mask : hint;
}
};
public UpdateHint getUpdateHints(SipBindingCtx update) {
List<UpdateHint> hints = new ArrayList<UpdateHint>(1);
if (isSame(update)) {
if (enabled!=update.enabled) {
hints.add(SipBindingCtx.UpdateHint.ENABLE_DISABLED);
}
if (targetTuples.length ==
update.targetTuples.length) {
for (TargetTuple tt : targetTuples) {
TargetTuple updateTT =
update.getTargetTupleForProtocol(tt.getProtocol());
if (updateTT==null || !tt.getSocketAddress().equals(
updateTT.getSocketAddress())) {
hints.add(SipBindingCtx.UpdateHint.TARGET_TUPLE_UPDATE);
break;
}
}
} else {
hints.add(SipBindingCtx.UpdateHint.TARGET_TUPLE_UPDATE);
}
if (!sslAttributes.equals(update.sslAttributes)) {
hints.add(SipBindingCtx.UpdateHint.SSL_UPDATE);
}
} else {
hints.add(UpdateHint.NOT_SAME);
}
UpdateHint hint = null;
if (hints.isEmpty()) {
hint = UpdateHint.UP_TO_DATE;
} else if (hints.size()==1) {
hint = hints.get(0);
} else {
hint = UpdateHint.MULTIPLE;
}
return hint;
}
public boolean isSame(SipBindingCtx other) {
return other!=null && context.equals(other.context)
&& id.equals(other.id);
}
//Snapshot
private String id;
private TargetTuple[] targetTuples;
private boolean enabled;
private boolean external;
private boolean internal;
private String externalSipAddress;
private String externalSipPort;
private Map<String, String> sslAttributes = new HashMap<String, String>();
private void snapshot(TargetTuple[] aTargetTuples) {
targetTuples = aTargetTuples;
id = sipListener ? config.get(context, "Id") : context;
enabled = sipListener ? Boolean.parseBoolean(config.get(context, "Enabled")) : true;
external = sipListener ? config.get(context, "Type").trim().equals("external"): false;
internal = sipListener ? config.get(context, "Type").trim().equals("internal"): false;
externalSipAddress = sipListener ? config.get(context, "ExternalSipAddress") : context;
externalSipPort = sipListener ? config.get(context, "ExternalSipPort") : context;
if(sipListener) {
String attr = null;
attr = config.get(context+SSL, "CertNickname");
if (attr!=null) {
sslAttributes.put("CertNickname", attr);
}
attr = config.get(context+SSL, "Ssl2Enabled");
if (attr!=null) {
sslAttributes.put("Ssl2Enabled", attr);
}
attr = config.get(context+SSL, "Ssl2Ciphers");
if (attr!=null) {
sslAttributes.put("Ssl2Ciphers", attr);
}
attr = config.get(context+SSL, "Ssl3Enabled");
if (attr!=null) {
sslAttributes.put("Ssl3Enabled", attr);
}
attr = config.get(context+SSL, "Ssl3TlsCiphers");
if (attr!=null) {
sslAttributes.put("Ssl3TlsCiphers", attr);
}
attr = config.get(context+SSL, "TlsEnabled");
if (attr!=null) {
sslAttributes.put("TlsEnabled", attr);
}
attr = config.get(context+SSL, "TlsRollbackEnabled");
if (attr!=null) {
sslAttributes.put("TlsRollbackEnabled", attr);
}
attr = config.get(context+SSL, "ClientAuthEnabled");
if (attr!=null) {
sslAttributes.put("ClientAuthEnabled", attr);
}
}
}
}