/* ----------------------------------- Private Methods ------------------------------------- */
protected Object invokeCallback(int type, Object arg) {
switch (type) {
case Event.MSG:
receiver.receive((Message) arg);
break;
case Event.VIEW_CHANGE:
receiver.viewAccepted((View) arg);
break;
case Event.SUSPECT:
receiver.suspect((Address) arg);
break;
case Event.GET_APPLSTATE:
byte[] tmp_state = null;
if (receiver != null) {
ByteArrayOutputStream output = new ByteArrayOutputStream(1024);
try {
receiver.getState(output);
tmp_state = output.toByteArray();
} catch (Exception e) {
throw new RuntimeException(local_addr + ": failed getting state from application", e);
}
}
return new StateTransferInfo(null, 0L, tmp_state);
case Event.BLOCK:
receiver.block();
return true;
case Event.UNBLOCK:
receiver.unblock();
}
return null;
}
byte[] messageToBuffer(Message msg) throws Exception {
ObjectOutputStream out;
// BufferedOutputStream bos;
out_stream.reset();
// bos=new BufferedOutputStream(out_stream);
out_stream.write(Version.version_id, 0, Version.version_id.length); // write the version
// bos.write(Version.version_id, 0, Version.version_id.length); // write the version
out = new ObjectOutputStream(out_stream);
// out=new ObjectOutputStream(bos);
msg.writeExternal(out);
out.flush(); // needed if out buffers its output to out_stream
return out_stream.toByteArray();
}
