public void run() {
EventLog.log("Starting nanny for \"" + getServerDesc() + "\"");
setStartedAndRunning(true);
NDC.push(getServerDesc());
try {
// Nanny villages
while (isKeepRunning()) {
util.getConsole().checkPause();
TimeWhenRunnable firstTimeWhenRunnable = null;
sharpTimeWhenRunnable = null;
if ((messageMode != null) && !messageMode.equals("false")) {
// check messages before for commands including resume
int msgRead = messageReader.readMessages(util, loginUrl, messageMode);
log.info("Messages Done next " + msgRead);
}
// check if still enabled
if (!suspended) {
// Loop all enabled villages
EventLog.log("Checking Villages");
firstTimeWhenRunnable = processVillages();
log.info("Villages done");
// gac - move servers below villages
// Loop all enabled server strategies
TimeWhenRunnable serverStrategiesTimeWhenRunnable = processServerStrategies();
if (serverStrategiesTimeWhenRunnable.before(firstTimeWhenRunnable)) {
log.debug("ServerStrategy Earlier than villages");
firstTimeWhenRunnable = serverStrategiesTimeWhenRunnable;
}
// gac add report processing - exists as server strategy to run periodically
// but this will run at the end of every active period
// count if outstanding after this read
int moreRead = 0;
if ((reportMode != null) && !reportMode.equals("false")) {
// set the reporting mode and check reports
// ReportMessageReader.getInstance().setReportsMode(reportMode);
// EventLog.log(loginUrl+" about to read reportMode="+reportMode);
moreRead = reportReader.readReports(util, loginUrl, reportMode);
log.info("Server Reports done");
}
// read messages again
if ((messageMode != null) && !messageMode.equals("false")) {
// check messages
int msgRead = messageReader.readMessages(util, loginUrl, messageMode);
log.info("Messages at end done next " + msgRead);
// read more if consuming all message not just scanning titles for commands
// if (!messageMode.equalsIgnoreCase("titles")) {
if (!messageMode.equalsIgnoreCase(messageReader.getScanMode())) {
moreRead += msgRead;
}
}
if (moreRead != 0) {
// still more to read
firstTimeWhenRunnable = TimeWhenRunnable.NOW; // Re-run immediately
log.debug("Villages will be run again because more reports to read (" + moreRead + ")");
} else {
// no new reports left
}
if (isConfigurationChanged()) {
// Update configuration
updateConfig(getNextConfig());
EventLog.log("evt.configReloadDone", this.getClass());
this.nextConfig = null; // No need to synchronize here
firstTimeWhenRunnable = TimeWhenRunnable.NOW; // Re-run immediately
log.debug("Villages will be run again because of configuration update");
}
} else {
// suspended
log.debug("All Strategies Suspended");
firstTimeWhenRunnable =
new TimeWhenRunnable(
System.currentTimeMillis() + SUSPENDCHECK * Util.MILLI_MINUTE); // try again later
}
boolean sharp = false;
long milliPause = 0;
long milliSharp = -1L;
if (firstTimeWhenRunnable != null) {
log.debug("Earliest Strategy @ " + firstTimeWhenRunnable);
sharp = firstTimeWhenRunnable.isSharp();
milliPause = firstTimeWhenRunnable.getTime() - System.currentTimeMillis();
if (milliPause < 0) {
milliPause = 0;
}
int pauseLimit = config.getInt("/@pauseLimit", 86400) * 1000; // Max 24h
if (milliPause > pauseLimit) {
log.info("Limiting pause from " + milliPause + " to " + pauseLimit);
milliPause = pauseLimit;
}
if (sharpTimeWhenRunnable != null) {
log.debug("Earliest sharp Strategy @ " + sharpTimeWhenRunnable);
milliSharp = sharpTimeWhenRunnable.getTime() - System.currentTimeMillis();
if (milliSharp < 0) {
milliSharp = 0;
}
}
log.debug(
"Next available Action in "
+ Util.milliToTimeString(milliPause)
+ (sharp ? " sharp: " + Util.milliToTimeString(milliSharp) : ""));
}
if (isKeepRunning()) {
util.userPause(milliPause, sharp, milliSharp);
util.shortestPause(sharp); // Just to be safe
}
}
} catch (Exception e) {
EventLog.log(e.getMessage());
log.error("", e);
setEnabledAndStartStop(false);
} finally {
NDC.remove(); // not pop()
}
}
private void updateConfig(SubnodeConfiguration newServerConfig)
throws InvalidConfigurationException {
log.debug("Updating server config for " + getServerId());
this.config = newServerConfig;
this.util.setServerConfig(newServerConfig);
this.util.setServer(this);
this.util.setServerId(user, getServerId()); // set server id for use in report processing
// check if reading reports from overall server
reportMode = newServerConfig.getString("/reports", null); // simple format to just read
reportMode =
newServerConfig.getString(
"/reports/@enabled", reportMode); // complex config with processing
if (reportMode != null) {
SubnodeConfiguration reportConfig = newServerConfig.configurationAt("/reports");
reportMode =
reportConfig.getString("/output/@format", reportMode); // complex config with processing
EventLog.log(loginUrl + " reportMode=" + reportMode);
reportReader.setReportsMode(reportMode, reportConfig);
}
messageMode = newServerConfig.getString("/messages", null);
messageMode = newServerConfig.getString("/messages/@enabled", messageMode);
// note once enabled have to turn off by setting false or will not call to disable
if (messageMode != null) {
SubnodeConfiguration messageConfig = newServerConfig.configurationAt("/messages");
String messageText = messageConfig.getString("/@commands", null);
EventLog.log(
loginUrl + " messageMode=" + messageMode + " Command Text (" + messageText + ")");
// use same as mode or a separate param?
messageReader.setMessagesMode(messageMode, messageConfig);
}
setTribeType(newServerConfig);
//
// Update villages
// When a village is disabled or removed from the configuration, it is deleted from
// this.villages
List<Village> deletableVillages = new ArrayList<Village>(villages.values());
// Loop all enabled villages
List<SubnodeConfiguration> villageConfigs =
newServerConfig.configurationsAt("/village[@enabled='true']");
for (SubnodeConfiguration villageConfig : villageConfigs) {
String id = Village.getIdFromConfig(villageConfig); // Either uid or url
Village village = this.villages.get(id);
if (village == null) {
// New village
village = new Village(util, villageConfig, strategyStatus);
this.villages.put(id, village);
} else {
// Village already exists
village.updateConfig(villageConfig, util);
deletableVillages.remove(village); // This village is still enabled
}
}
// Removing deleted or disabled villages
for (Village village : deletableVillages) {
this.villages.remove(village.getId());
village.terminate();
}
//
// Update server strategies
serverStrategyList =
updateStrategies(
"/serverStrategy[@enabled='true']", newServerConfig, serverStrategies, null);
}