/**
* launch the scheduler loop every 250 milliseconds, to reconnect a failed connection. Will verify
* if there is an existing scheduler
*
* @param now now will launch the loop immediatly, 250ms after if false
*/
protected void launchFailLoopIfNotlaunched(boolean now) {
if (isLooping.compareAndSet(false, true) && urlParser.getOptions().failoverLoopRetries != 0) {
scheduledFailover =
Executors.newSingleThreadScheduledExecutor()
.scheduleWithFixedDelay(
new FailLoop(this), now ? 0 : 250, 250, TimeUnit.MILLISECONDS);
}
}
/** Permit to remove Host to blacklist after loadBalanceBlacklistTimeout seconds. */
public void resetOldsBlackListHosts() {
long currentTime = System.currentTimeMillis();
Set<HostAddress> currentBlackListkeys = new HashSet<HostAddress>(blacklist.keySet());
for (HostAddress blackListHost : currentBlackListkeys) {
if (blacklist.get(blackListHost)
< currentTime - urlParser.getOptions().loadBalanceBlacklistTimeout * 1000) {
// if (log.isTraceEnabled()) log.trace("host " + blackListHost+" remove of
// blacklist");
blacklist.remove(blackListHost);
}
}
}
public boolean isAutoReconnect() {
return urlParser.getOptions().autoReconnect;
}
public int getRetriesAllDown() {
return urlParser.getOptions().retriesAllDown;
}
/**
* Initialisation.
*
* @param urlParser url options.
*/
public MastersFailoverListener(final UrlParser urlParser) {
super(urlParser);
this.mode = urlParser.getHaMode();
setMasterHostFail();
}
/*
Parse ConnectorJ compatible urls
jdbc:mysql://host:port/database
Example: jdbc:mysql://localhost:3306/test?user=root&password=passwd
*/
private static void parseInternal(UrlParser urlParser, String url, Properties properties)
throws SQLException {
try {
int separator = url.indexOf("//");
if (separator == -1) {
throw new IllegalArgumentException(
"url parsing error : '//' is not present in the url " + url);
}
String[] baseTokens = url.substring(0, separator).split(":");
// parse HA mode
urlParser.haMode = HaMode.NONE;
if (baseTokens.length > 2) {
try {
urlParser.haMode = HaMode.valueOf(baseTokens[2].toUpperCase());
} catch (IllegalArgumentException i) {
throw new IllegalArgumentException(
"url parameter error '"
+ baseTokens[2]
+ "' is a unknown parameter in the url "
+ url);
}
}
url = url.substring(separator + 2);
String[] tokens = url.split("/");
String hostAddressesString = tokens[0];
String additionalParameters =
(tokens.length > 1) ? url.substring(tokens[0].length() + 1) : null;
urlParser.addresses = HostAddress.parse(hostAddressesString, urlParser.haMode);
if (additionalParameters == null) {
urlParser.database = null;
urlParser.options = DefaultOptions.parse(urlParser.haMode, "", properties);
} else {
int ind = additionalParameters.indexOf('?');
if (ind > -1) {
urlParser.database = additionalParameters.substring(0, ind);
urlParser.options =
DefaultOptions.parse(
urlParser.haMode, additionalParameters.substring(ind + 1), properties);
} else {
urlParser.database = additionalParameters;
urlParser.options = DefaultOptions.parse(urlParser.haMode, "", properties);
}
}
if (urlParser.haMode == HaMode.AURORA) {
for (HostAddress hostAddress : urlParser.addresses) {
hostAddress.type = null;
}
} else {
for (HostAddress hostAddress : urlParser.addresses) {
if (hostAddress.type == null) {
hostAddress.type = ParameterConstant.TYPE_MASTER;
}
}
}
} catch (IllegalArgumentException i) {
throw new SQLException(i.getMessage());
}
}