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package protocols;
import prefs.VSPrefs;
import events.VSEvent;
import core.*;
abstract public class VSProtocol extends VSPrefs implements VSEvent {
protected VSPrefs prefs;
private String protocolClassname;
private boolean isServer;
private boolean isClient;
protected VSProcess process;
private boolean currentContextIsServer;
private boolean lamportIncreased;
public VSProtocol() {
}
protected final void setProtocolClassname(String protocolClassname) {
if (protocolClassname.startsWith("class "))
protocolClassname = protocolClassname.substring(6);
this.protocolClassname = protocolClassname;
}
public final String getProtocolClassname() {
return protocolClassname;
}
public final String getProtocolName() {
return RegisteredProtocols.getProtocolName(protocolClassname);
}
public final VSProcess getProcess() {
return process;
}
protected void sendMessage(VSMessage message) {
process.setLamportTime(process.getLamportTime()+1);
message.setSendingProcess(process);
process.sendMessage(message);
}
private final boolean isIncorrectProtocol(VSMessage message) {
return !message.getProtocolClassname().equals(getProtocolClassname());
}
public final void onStart() {
if (isClient) {
onClientStart();
currentContextIsServer = false;
}
}
public final void onMessageRecv(VSMessage message) {
if (isIncorrectProtocol(message))
return;
if (isServer) {
currentContextIsServer = true;
onServerRecv(message);
}
if (isClient) {
currentContextIsServer = false;
onClientRecv(message);
}
}
public final void isServer(boolean isServer) {
this.isServer = isServer;
}
public final void isClient(boolean isClient) {
this.isClient = isClient;
}
public final void setVSPrefs(VSPrefs prefs) {
this.prefs = prefs;
}
public final void setProcess(VSProcess process) {
this.process = process;
}
public void reset() {
if (isServer) {
currentContextIsServer = true;
onServerReset();
}
if (isClient) {
currentContextIsServer = false;
onClientReset();
}
}
abstract protected void onClientStart();
abstract protected void onClientReset();
abstract protected void onClientRecv(VSMessage message);
abstract protected void onServerReset();
abstract protected void onServerRecv(VSMessage message);
protected void logg(String message) {
process.logg(toString() + "; " + message);
}
public boolean equals(VSProtocol protocol) {
return protocol.getID() == getID();
}
public String toString() {
String type = new String();
if (currentContextIsServer)
type += prefs.getString("lang.server");
else
type += prefs.getString("lang.client");
return prefs.getString("lang.protocol") + ": "
+ RegisteredProtocols.getProtocolName(getProtocolClassname()) + " " + type;// + "; ID: " + getID();
}
}
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