public Mib loadMib(File file) throws MibLoaderException, IOException {
MibLoader loader = new MibLoader();
loader.addDir(file.getParentFile());
return loader.load(file);
}
private void loadDirectory(String[] files, String path) throws Exception {
StringBuilder currentPath = new StringBuilder();
for (int i = 0; i < files.length; i++) {
if (!path.endsWith("/")) {
currentPath.append(path).append("/");
}
currentPath.append(files[i]);
if (SingletonFSInterface.instance().isFile(new URI(currentPath.toString()))) // if it's a file
{
try {
if (!files[i].startsWith(".")) {
mibLoader.load(files[i]);
}
} catch (Exception e) {
GlobalLogger.instance()
.getApplicationLogger()
.error(TextEvent.Topic.PROTOCOL, e, "ERROR : loading the MIBS files");
if (e instanceof MibLoaderException) {
((MibLoaderException) e).getLog().printTo(new PrintStream("../logs/snmpStack.log"));
}
}
} else // if it's a directory, load it and all it's content
{
if (!files[i].startsWith(".")) {
loadDirectory(
SingletonFSInterface.instance().list(new URI(currentPath.toString())),
currentPath.toString());
}
}
// reset currentPath
currentPath.delete(0, currentPath.length());
}
}
private void loadAllMibs() throws Exception {
mibLoader = new MibLoader();
mibLoader.addAllDirs(new File("../conf/snmp/mibs")); // add all subDirectories to search for mib
// travel through mibs repository to add all mibs
loadDirectory(
SingletonFSInterface.instance().list(new URI("../conf/snmp/mibs")), "../conf/snmp/mibs");
}
public void convert() throws IOException, MibLoaderException {
m_loader = new MibLoader();
URL url;
try {
url = new URL(m_mibLocation);
} catch (MalformedURLException e) {
url = null;
}
if (url == null) {
File file = new File(m_mibLocation);
m_loader.addDir(file.getParentFile());
m_mib = m_loader.load(file);
} else {
m_mib = m_loader.load(url);
}
}
public void printEvents(PrintStream out)
throws MarshalException, ValidationException, ParserConfigurationException, SAXException,
IOException {
if (m_loader == null) {
throw new IllegalStateException("convert() must be called first");
}
for (Mib mib : m_loader.getAllMibs()) {
if (!mib.isLoaded()) {
continue;
}
Events events = convertMibToEvents(mib, getEffectiveUeiBase());
if (events.getEventCount() < 1) {
System.err.println(
"No trap or notification definitions found in this MIB ("
+ mib.getName()
+ "), exiting");
System.exit(0);
}
if (!m_compat) {
StringWriter writer = new StringWriter();
events.marshal(writer);
stripXmlNameSpace(writer.toString(), out);
} else {
for (Event event : events.getEventCollection()) {
StringWriter writer = new StringWriter();
event.marshal(writer);
ByteArrayOutputStream formattedXml = new ByteArrayOutputStream();
stripXmlNameSpace(writer.toString(), formattedXml);
String noXmlProcessingInstruction =
formattedXml
.toString()
.replaceAll("(?m)<\\?xml version=\"1.0\" encoding=\"UTF-8\"\\?>\n", "");
out.print(
noXmlProcessingInstruction.replaceAll("dest=\"logndisplay\"", "dest='logndisplay'"));
}
}
}
}
private void parseVariableBinding(Element variable, PDU pdu) throws Exception {
String name = variable.attributeValue("name");
String value = variable.attributeValue("value");
String type = variable.attributeValue("type");
String mibName = null;
if (name == null) {
throw new Exception("ERROR : The variablebinding name is required to send the variable.");
}
VariableBinding varBind = null;
boolean found = false;
if (name.startsWith(
"1.")) // if name begin with digit 1 follow by a dot, it is an oid, else we consider it's a
// variable mib
{
varBind = new VariableBinding(new OID(name));
found = true;
} else {
if (name.contains(".")) {
mibName = name.substring(0, name.indexOf('.'));
name = name.substring(name.indexOf('.') + 1);
}
Mib[] mibs = mibLoader.getAllMibs();
for (int i = 0; (i < mibs.length) && !found; i++) {
Collection symbols = mibs[i].getAllSymbols();
for (Object symb : symbols) {
if (symb instanceof MibValueSymbol) {
if (((MibValueSymbol) symb).getName().equalsIgnoreCase(name)) {
if ((mibName == null)
|| ((MibValueSymbol) symb).getMib().getName().equalsIgnoreCase(mibName)) {
varBind =
new VariableBinding(new OID(((MibValueSymbol) symb).getValue().toString()));
if (type == null) {
type = findType((MibValueSymbol) symb);
}
found = true;
break;
}
}
} else if (symb instanceof MibTypeSymbol) {
// System.out.println("mibTypeSymbol " +
// ((MibTypeSymbol)symb).getName() + " for mib name " + mibs[i].getName());
} else if (symb instanceof MibMacroSymbol) {
// System.out.println("mibMacroSymbol " +
// ((MibMacroSymbol)symb).getName() + " for mib name " + mibs[i].getName());
} else {
throw new Exception(
"ERROR : Unknown class for variablebinding \"" + symb.getClass() + "\"");
}
}
}
}
if (!found) {
throw new Exception(
"ERROR : Unknown varbinding name \"" + name + "\" not found in the MIB files.");
}
if (type == null) // /if type not set, search in mib
{
Mib[] mibs = mibLoader.getAllMibs();
for (int i = 0; (i < mibs.length); i++) {
MibValueSymbol symbol = mibs[i].getSymbolByValue(varBind.getOid().toString());
if (symbol != null) {
// set type in function of information in variable
type = findType(symbol);
break;
}
}
}
if ((value != null) && (value.length() > 0)) {
if (type == null) {
throw new Exception(
"ERROR : The variablebinding type is required : it is not defined nor in XML script nor in MIB files.");
}
if (type.equalsIgnoreCase("counter64")) {
varBind.setVariable(new Counter64(Long.parseLong(value)));
} else if (type.equalsIgnoreCase("integer32")) {
varBind.setVariable(new Integer32(Integer.parseInt(value)));
} else if (type.equalsIgnoreCase("octetString") || type.equalsIgnoreCase("octet string")) {
varBind.setVariable(new OctetString(value));
} else if (type.equalsIgnoreCase("opaque")) {
varBind.setVariable(new Opaque(value.getBytes()));
} else if (type.equalsIgnoreCase("oid")) {
varBind.setVariable(new OID(value));
} else if (type.equalsIgnoreCase("genericAddress")) {
GenericAddress add = new GenericAddress();
add.setValue(value);
varBind.setVariable(add);
} else if (type.equalsIgnoreCase("ipAddress")) {
varBind.setVariable(new IpAddress(value));
} else if (type.equalsIgnoreCase("unsignedInteger32")) {
varBind.setVariable(new UnsignedInteger32(Integer.parseInt(value)));
} else if (type.equalsIgnoreCase("counter32")) {
varBind.setVariable(new Counter32(Long.parseLong(value)));
} else if (type.equalsIgnoreCase("gauge32")) {
varBind.setVariable(new Gauge32(Long.parseLong(value)));
} else if (type.equalsIgnoreCase("timeTicks")) {
varBind.setVariable(new TimeTicks(Long.parseLong(value)));
} else {
throw new Exception(
"Error : Unknown variablebinding type \""
+ type
+ "\" : not understood by the application");
}
}
pdu.add(varBind);
}
