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Library for Tango Server (ie. Tango Device) in Java
/**
* Copyright (C) : 2012
*
* Synchrotron Soleil
* L'Orme des merisiers
* Saint Aubin
* BP48
* 91192 GIF-SUR-YVETTE CEDEX
*
* This file is part of Tango.
*
* Tango is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Tango is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Tango. If not, see {
@Override
public Void call() {
ORBManager.start();
return null;
}
}
/**
* Check if the checkORBgiopMaxMsgSize has been set. This environment
* variable should be set in Mega bytes.
*/
private static String checkORBgiopMaxMsgSize() {
/*
* JacORB definition (see jacorb.properties file):
*
* This is NOT the maximum buffer size that can be used, but just the
* largest size of buffers that will be kept and managed. This value
* will be added to an internal constant of 5, so the real value in
* bytes is 2**(5+maxManagedBufSize-1). You only need to increase this
* value if you are dealing with LOTS of LARGE data structures. You may
* decrease it to make the buffer manager release large buffers
* immediately rather than keeping them for later reuse.
*/
String str = "20"; // Set to 16 Mbytes
// Check if environment ask for bigger size.
final String tmp = System.getProperty("ORBgiopMaxMsgSize");
if (tmp != null && checkBufferSize(tmp) != null) {
str = tmp;
}
return str;
}
private static String checkBufferSize(final String str) {
String result = null;
// try to get value
int nbMega = 0;
try {
nbMega = Integer.parseInt(str);
} catch (final NumberFormatException e) {
}
// Compute the real size and the power of 2
final long size = (long) nbMega * 1024 * 1024;
long l = size;
int cnt;
for (cnt = 0; l > 0; cnt++) {
l >>= 1;
}
cnt--;
// Check if number ob Mb is not power of 2
if (Math.pow(2, cnt) < size) {
cnt++;
}
// System.out.println(nb_mega + " Mbytes (2^" + cnt + ")");
final int jacorbSize = cnt - 4;
result = Integer.toString(jacorbSize);
return result;
}
/**
* Get the ORB
*
* @return the ORB
* @throws DevFailed
*/
public static ORB getOrb() throws DevFailed {
if (orb == null) {
DevFailedUtils.throwDevFailed("ORB not initialized");
}
return orb;
}
/**
* Get the POA
*
* @return the POA
* @throws DevFailed
*/
public static POA getPoa() throws DevFailed {
if (poa == null) {
DevFailedUtils.throwDevFailed("ORB not initialized");
}
return poa;
}
/**
* Shutdown the ORB
*/
public static void shutdown() {
if (orbStart != null) {
orbStart.shutdown();
}
if (orb != null) {
orb.shutdown(true);
LOGGER.debug("ORB shutdown");
}
}
}