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Cleanup addressing PR review comments.

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This commit is contained in:
Ann Priestman 2018-04-09 13:50:49 -04:00
parent d5f1064e88
commit 1a437d8686
2 changed files with 41 additions and 41 deletions
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8
Core/src/org/sleuthkit/autopsy/healthmonitor/HealthMonitorCaseEventListener.java
View File

@ -30,11 +30,11 @@ import org.sleuthkit.autopsy.casemodule.Case;
*/
final class HealthMonitorCaseEventListener implements PropertyChangeListener {
private final ExecutorService jobProcessingExecutor;
private static final String CASE_EVENT_THREAD_NAME = "Health-Monitor-Event-Listener-%d";
private final ExecutorService healthMonitorExecutor;
private static final String HEALTH_MONITOR_EVENT_THREAD_NAME = "Health-Monitor-Event-Listener-%d";
HealthMonitorCaseEventListener() {
jobProcessingExecutor = Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setNameFormat(CASE_EVENT_THREAD_NAME).build());
healthMonitorExecutor = Executors.newSingleThreadExecutor(new ThreadFactoryBuilder().setNameFormat(HEALTH_MONITOR_EVENT_THREAD_NAME).build());
}
@Override
@ -45,7 +45,7 @@ final class HealthMonitorCaseEventListener implements PropertyChangeListener {
case CURRENT_CASE:
if ((null == evt.getNewValue()) && (evt.getOldValue() instanceof Case)) {
// When a case is closed, write the current metrics to the database
jobProcessingExecutor.submit(new ServicesHealthMonitor.DatabaseWriteTask());
healthMonitorExecutor.submit(new ServicesHealthMonitor.DatabaseWriteTask());
}
break;
}

74
Core/src/org/sleuthkit/autopsy/healthmonitor/ServicesHealthMonitor.java
View File

@ -60,10 +60,11 @@ public class ServicesHealthMonitor {
private static final AtomicBoolean isEnabled = new AtomicBoolean(false);
private static ServicesHealthMonitor instance;
private ScheduledThreadPoolExecutor periodicTasksExecutor;
private ScheduledThreadPoolExecutor healthMonitorOutputTimer;
private final Map<String, TimingInfo> timingInfoMap;
private static final int CONN_POOL_SIZE = 10;
private BasicDataSource connectionPool = null;
private String hostName;
private ServicesHealthMonitor() throws HealthMonitorException {
@ -71,6 +72,15 @@ public class ServicesHealthMonitor {
// of whether the monitor is enabled.
timingInfoMap = new HashMap<>();
// Get the host name
try {
hostName = java.net.InetAddress.getLocalHost().getHostName();
} catch (java.net.UnknownHostException ex) {
// Continue on but log a warning
logger.log(Level.WARNING, "Unable to look up host name");
hostName = "unknown";
}
// Read from module settings to determine if the module is enabled
if (ModuleSettings.settingExists(MODULE_NAME, IS_ENABLED_KEY)) {
if(ModuleSettings.getConfigSetting(MODULE_NAME, IS_ENABLED_KEY).equals("true")){
@ -172,20 +182,20 @@ public class ServicesHealthMonitor {
* Start the ScheduledThreadPoolExecutor that will handle the database writes.
*/
private synchronized void startTimer() {
if(periodicTasksExecutor != null) {
if(healthMonitorOutputTimer != null) {
// Make sure the previous executor (if it exists) has been stopped
periodicTasksExecutor.shutdown();
healthMonitorOutputTimer.shutdown();
}
periodicTasksExecutor = new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder().setNameFormat("health_monitor_timer").build());
periodicTasksExecutor.scheduleWithFixedDelay(new DatabaseWriteTask(), DATABASE_WRITE_INTERVAL, DATABASE_WRITE_INTERVAL, TimeUnit.MINUTES);
healthMonitorOutputTimer = new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder().setNameFormat("health_monitor_timer").build());
healthMonitorOutputTimer.scheduleWithFixedDelay(new DatabaseWriteTask(), DATABASE_WRITE_INTERVAL, DATABASE_WRITE_INTERVAL, TimeUnit.MINUTES);
}
/**
* Stop the ScheduledThreadPoolExecutor to prevent further database writes.
*/
private synchronized void stopTimer() {
if(periodicTasksExecutor != null) {
periodicTasksExecutor.shutdown();
if(healthMonitorOutputTimer != null) {
healthMonitorOutputTimer.shutdown();
}
}
@ -302,15 +312,6 @@ public class ServicesHealthMonitor {
}
logger.log(Level.INFO, "Writing health monitor metrics to database");
String hostName;
try {
hostName = java.net.InetAddress.getLocalHost().getHostName();
} catch (java.net.UnknownHostException ex) {
// Write it to the database but log a warning
logger.log(Level.WARNING, "Unable to look up host name");
hostName = "unknown";
}
// Check if there's anything to report (right now we only have the timing map)
if(timingMapCopy.keySet().isEmpty()) {
return;
@ -587,26 +588,26 @@ public class ServicesHealthMonitor {
try (Statement statement = conn.createStatement()) {
conn.setAutoCommit(false);
StringBuilder createTimingTable = new StringBuilder();
createTimingTable.append("CREATE TABLE IF NOT EXISTS timing_data (");
createTimingTable.append("id SERIAL PRIMARY KEY,");
createTimingTable.append("name text NOT NULL,");
createTimingTable.append("host text NOT NULL,");
createTimingTable.append("timestamp bigint NOT NULL,");
createTimingTable.append("count bigint NOT NULL,");
createTimingTable.append("average bigint NOT NULL,");
createTimingTable.append("max bigint NOT NULL,");
createTimingTable.append("min bigint NOT NULL");
createTimingTable.append(")");
statement.execute(createTimingTable.toString());
String createTimingTable =
"CREATE TABLE IF NOT EXISTS timing_data (" +
"id SERIAL PRIMARY KEY," +
"name text NOT NULL," +
"host text NOT NULL," +
"timestamp bigint NOT NULL," +
"count bigint NOT NULL," +
"average bigint NOT NULL," +
"max bigint NOT NULL," +
"min bigint NOT NULL" +
")";
statement.execute(createTimingTable);
StringBuilder createDbInfoTable = new StringBuilder();
createDbInfoTable.append("CREATE TABLE IF NOT EXISTS db_info (");
createDbInfoTable.append("id SERIAL PRIMARY KEY NOT NULL,");
createDbInfoTable.append("name text NOT NULL,");
createDbInfoTable.append("value text NOT NULL");
createDbInfoTable.append(")");
statement.execute(createDbInfoTable.toString());
String createDbInfoTable =
"CREATE TABLE IF NOT EXISTS db_info (" +
"id SERIAL PRIMARY KEY NOT NULL," +
"name text NOT NULL," +
"value text NOT NULL" +
")";
statement.execute(createDbInfoTable);
statement.execute("INSERT INTO db_info (name, value) VALUES ('SCHEMA_VERSION', '" + CURRENT_DB_SCHEMA_VERSION.getMajor() + "')");
statement.execute("INSERT INTO db_info (name, value) VALUES ('SCHEMA_MINOR_VERSION', '" + CURRENT_DB_SCHEMA_VERSION.getMinor() + "')");
@ -655,8 +656,7 @@ public class ServicesHealthMonitor {
*/
private CoordinationService.Lock getExclusiveDbLock() throws HealthMonitorException{
try {
String databaseNodeName = DATABASE_NAME;
CoordinationService.Lock lock = CoordinationService.getInstance().tryGetExclusiveLock(CoordinationService.CategoryNode.HEALTH_MONITOR, databaseNodeName, 5, TimeUnit.MINUTES);
CoordinationService.Lock lock = CoordinationService.getInstance().tryGetExclusiveLock(CoordinationService.CategoryNode.HEALTH_MONITOR, DATABASE_NAME, 5, TimeUnit.MINUTES);
if(lock != null){
return lock;