/**
* init
*
* @throws javax.servlet.ServletException if any.
*/
@Override
public void init() throws ServletException {
ServletConfig config = this.getServletConfig();
try {
props.load(
new FileInputStream(
ConfigFileConstants.getFile(ConfigFileConstants.POLLER_CONF_FILE_NAME)));
PollerConfigFactory.init();
pollerFactory = PollerConfigFactory.getInstance();
pollerConfig = pollerFactory.getConfiguration();
if (pollerConfig == null) {
throw new ServletException("Poller Configuration file is empty");
}
CapsdConfigFactory.init();
capsdFactory = CapsdConfigFactory.getInstance();
capsdConfig = capsdFactory.getConfiguration();
if (capsdConfig == null) {
throw new ServletException("Poller Configuration file is empty");
}
} catch (Throwable e) {
throw new ServletException(e.getMessage());
}
initPollerServices();
initCapsdProtocols();
this.redirectSuccess = config.getInitParameter("redirect.success");
if (this.redirectSuccess == null) {
throw new ServletException("Missing required init parameter: redirect.success");
}
}
private boolean isServicePolledLocally(
final String ifAddr,
final String svcName,
final org.opennms.netmgt.config.poller.Package ipPkg) {
boolean svcToBePolled = false;
if (ipPkg != null && !ipPkg.getRemote()) {
final PollerConfig pollerConfig = getPollerConfig();
pollerConfig.getReadLock().lock();
try {
svcToBePolled = pollerConfig.isPolled(svcName, ipPkg);
if (!svcToBePolled) svcToBePolled = pollerConfig.isPolledLocally(ifAddr, svcName);
} finally {
pollerConfig.getReadLock().unlock();
}
}
return svcToBePolled;
}
/**
* syncManagementState
*
* @param conn a {@link java.sql.Connection} object.
* @throws java.sql.SQLException if any.
*/
public void syncManagementState(Connection conn) throws SQLException {
boolean verifyServer = getOpennmsServerConfig().verifyServer();
String localServer = getOpennmsServerConfig().getServerName();
if (log().isDebugEnabled()) {
log()
.debug(
"syncManagementState: local server: "
+ localServer
+ " verify server: "
+ verifyServer);
}
if (conn == null) {
log()
.error(
"CapsdConfigFactory.syncManagementState: Sync failed...must have valid database connection.");
return;
}
// Get default management state.
//
String managementPolicy = getCapsdConfig().getConfiguration().getManagementPolicy();
boolean managedByDefault =
(managementPolicy == null || managementPolicy.equalsIgnoreCase("managed"));
if (log().isDebugEnabled()) {
log().debug("syncManagementState: managed_by_default: " + managedByDefault);
}
//
// Retrieve list of interfaces and their managed status from the
// database
// NOTE: Interfaces with an 'isManaged' field equal to 'D' (Deleted) or
// 'F' (Forced Unmanaged) are
// not eligible to be managed and will not be included in the interfaces
// retrieved from the database. Likewise, interfaces with IP address of
// '0.0.0.0' will also be excluded by the SQL query.
//
// prepare the SQL statement to query the database
PreparedStatement ipRetStmt = null;
final DBUtils d = new DBUtils(getClass());
List<LightWeightIfEntry> ifList = new ArrayList<LightWeightIfEntry>();
try {
if (verifyServer) {
ipRetStmt = conn.prepareStatement(SQL_DB_RETRIEVE_IP_INTERFACE_IN_LOCAL_SERVER);
d.watch(ipRetStmt);
ipRetStmt.setString(1, localServer);
} else {
ipRetStmt = conn.prepareStatement(SQL_DB_RETRIEVE_IP_INTERFACE);
d.watch(ipRetStmt);
}
ResultSet result = null;
// run the statement
result = ipRetStmt.executeQuery();
d.watch(result);
// Build array list of CapsdInterface objects representing each
// of the interfaces retrieved from the database
while (result.next()) {
// Node Id
int nodeId = result.getInt(1);
// IP address
String address = result.getString(2);
if (address == null) {
log().warn("invalid ipInterface table entry, no IP address, skipping...");
continue;
}
// Management State
char managedState = DbIpInterfaceEntry.STATE_UNKNOWN;
String str = result.getString(3);
if (str != null) {
managedState = str.charAt(0);
}
ifList.add(
new LightWeightIfEntry(
nodeId,
LightWeightIfEntry.NULL_IFINDEX,
address,
managedState,
DbIpInterfaceEntry.SNMP_UNKNOWN,
LightWeightIfEntry.NULL_IFTYPE));
}
} finally {
d.cleanUp();
}
try {
// For efficiency, prepare the SQL statements in advance
PreparedStatement ifUpdateStmt = conn.prepareStatement(SQL_DB_UPDATE_IP_INTERFACE);
d.watch(ifUpdateStmt);
PreparedStatement allSvcUpdateStmt =
conn.prepareStatement(SQL_DB_UPDATE_ALL_SERVICES_FOR_NIP);
d.watch(allSvcUpdateStmt);
PreparedStatement svcRetStmt = conn.prepareStatement(SQL_DB_RETRIEVE_IF_SERVICES);
d.watch(svcRetStmt);
PreparedStatement svcUpdateStmt = conn.prepareStatement(SQL_DB_UPDATE_SERVICE_FOR_NIP);
d.watch(svcUpdateStmt);
/*
* Loop through interface list and determine if there has been a
* change in the managed status of the interface based on the
* newly loaded package configuration data.
*/
for (LightWeightIfEntry ifEntry : ifList) {
String ipaddress = ifEntry.getAddress();
// Convert to InetAddress object
InetAddress ifAddress = null;
ifAddress = InetAddressUtils.addr(ipaddress);
if (ifAddress == null) {
log().warn("Failed converting ip address " + ipaddress + " to InetAddress.");
continue;
}
// Check interface address against Capsd config information to
// determine
// if interface management state should be managed or unmanaged.
boolean address_is_unmanaged = getCapsdConfig().isAddressUnmanaged(ifAddress);
if (log().isDebugEnabled()) {
log()
.debug(
"syncManagementState: "
+ ipaddress
+ " unmanaged based on capsd config?: "
+ address_is_unmanaged);
}
if (address_is_unmanaged) {
// Interface not managed, check current
// management state for this interface.
if (ifEntry.getManagementState() != DbIpInterfaceEntry.STATE_UNMANAGED) {
// Update management state to unmanaged for the
// interface as well as for its services.
// Update the 'ipInterface' table
ifUpdateStmt.setString(1, new String(new char[] {DbIpInterfaceEntry.STATE_UNMANAGED}));
ifUpdateStmt.setInt(2, ifEntry.getNodeId());
ifUpdateStmt.setString(3, ipaddress);
ifUpdateStmt.executeUpdate();
// Update the 'ifServices' table
allSvcUpdateStmt.setString(
1, new String(new char[] {DbIfServiceEntry.STATUS_UNMANAGED}));
allSvcUpdateStmt.setInt(2, ifEntry.getNodeId());
allSvcUpdateStmt.setString(3, ipaddress);
allSvcUpdateStmt.executeUpdate();
if (log().isDebugEnabled()) {
log()
.debug(
"syncManagementState: update completed for node/interface: "
+ ifEntry.getNodeId()
+ "/"
+ ipaddress
+ " to unmanaged");
}
}
} else {
/*
* Interface should be managed - check the status against
* poller config to see if interface will be polled
*
* NOTE: Try to avoid re-evaluating the ip against filters
* for each service, try to get the first package here and
* for that for service evaluation
*/
final PollerConfig pollerConfig = getPollerConfig();
pollerConfig.getReadLock().lock();
try {
org.opennms.netmgt.config.poller.Package ipPkg =
pollerConfig.getFirstPackageMatch(ipaddress);
boolean ipToBePolled = false;
if (ipPkg != null) {
ipToBePolled = true;
}
if (log().isDebugEnabled()) {
log()
.debug(
"syncManagementState: "
+ ipaddress
+ " to be polled based on poller config?: "
+ ipToBePolled);
}
if ((ifEntry.getManagementState() == DbIpInterfaceEntry.STATE_MANAGED && ipToBePolled)
|| (ifEntry.getManagementState() == DbIpInterfaceEntry.STATE_NOT_POLLED
&& !ipToBePolled)) {
// current status is right
if (log().isDebugEnabled()) {
log().debug("syncManagementState: " + ipaddress + " - no change in status");
}
} else {
if (ipToBePolled) {
ifUpdateStmt.setString(
1, new String(new char[] {DbIpInterfaceEntry.STATE_MANAGED}));
} else {
ifUpdateStmt.setString(
1, new String(new char[] {DbIpInterfaceEntry.STATE_NOT_POLLED}));
}
ifUpdateStmt.setInt(2, ifEntry.getNodeId());
ifUpdateStmt.setString(3, ipaddress);
ifUpdateStmt.executeUpdate();
if (log().isDebugEnabled()) {
log()
.debug(
"syncManagementState: update completed for node/interface: "
+ ifEntry.getNodeId()
+ "/"
+ ipaddress);
}
}
// get services for this nodeid/ip and update
svcRetStmt.setInt(1, ifEntry.getNodeId());
svcRetStmt.setString(2, ipaddress);
ResultSet svcRS = svcRetStmt.executeQuery();
d.watch(svcRS);
while (svcRS.next()) {
int svcId = svcRS.getInt(1);
char svcStatus = DbIfServiceEntry.STATUS_UNKNOWN;
String str = svcRS.getString(2);
if (str != null) {
svcStatus = str.charAt(0);
}
String svcName = getServiceName(svcId);
/*
* try the first package that had the ip first, if
* service is not enabled, try all packages
*/
char oldStatus = svcStatus;
char newStatus = 'U';
boolean svcToBePolledLocally = isServicePolledLocally(ipaddress, svcName, ipPkg);
boolean svcToBePolledRemotely = isServicePolled(ipaddress, svcName, ipPkg);
if (log().isDebugEnabled()) {
log()
.debug(
"syncManagementState: "
+ ipaddress
+ "/"
+ svcName
+ " to be polled based on poller config?: "
+ svcToBePolledLocally);
}
if ((svcStatus == DbIfServiceEntry.STATUS_ACTIVE && svcToBePolledLocally)
|| (svcStatus == DbIfServiceEntry.STATUS_NOT_POLLED && !ipToBePolled)) {
// current status is right
if (log().isDebugEnabled()) {
log()
.debug(
"syncManagementState: "
+ ifEntry.getNodeId()
+ "/"
+ ipaddress
+ "/"
+ svcName
+ " status = "
+ svcStatus
+ " - no change in status");
}
} else {
// Update the 'ifServices' table
if (svcStatus == DbIfServiceEntry.STATUS_SUSPEND && svcToBePolledLocally) {
svcUpdateStmt.setString(
1, new String(new char[] {DbIfServiceEntry.STATUS_FORCED}));
newStatus = 'F';
} else if (svcToBePolledLocally) {
svcUpdateStmt.setString(
1, new String(new char[] {DbIfServiceEntry.STATUS_ACTIVE}));
newStatus = 'A';
} else if (svcToBePolledRemotely) {
svcUpdateStmt.setString(
1, new String(new char[] {DbIfServiceEntry.STATUS_REMOTE}));
newStatus = 'X';
} else {
svcUpdateStmt.setString(
1, new String(new char[] {DbIfServiceEntry.STATUS_NOT_POLLED}));
newStatus = 'N';
}
svcUpdateStmt.setInt(2, ifEntry.getNodeId());
svcUpdateStmt.setString(3, ipaddress);
svcUpdateStmt.setInt(4, svcId);
svcUpdateStmt.executeUpdate();
if (log().isDebugEnabled()) {
log()
.debug(
"syncManagementState: update completed for node/interface/svc: "
+ ifEntry.getNodeId()
+ "/"
+ ipaddress
+ "/"
+ svcName
+ " status changed from "
+ oldStatus
+ " to "
+ newStatus);
}
}
} // end ifservices result
} finally {
pollerConfig.getReadLock().unlock();
}
} // interface managed
} // end while
} finally {
d.cleanUp();
}
}
