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watchdog logging tweaks, allow disable by property

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zzz
2009-06-04 16:23:51 +00:00
parent 6c349d0ec4
commit 936a338e0e
1 changed files with 10 additions and 5 deletions
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15
router/java/src/net/i2p/router/RouterWatchdog.java
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@ -49,11 +49,15 @@ class RouterWatchdog implements Runnable {
}
private boolean shutdownOnHang() {
// prop default true
if (!Boolean.valueOf(_context.getProperty("watchdog.haltOnHang", "true")).booleanValue())
return false;
// Client manager starts complaining after 10 minutes, and we run every minute,
// so this will restart 20 minutes after we lose a lease, if the wrapper is present.
if (_consecutiveErrors >= 10 && System.getProperty("wrapper.version") != null)
// so this will restart 30 minutes after we lose a lease, if the wrapper is present.
if (_consecutiveErrors >= 20 && System.getProperty("wrapper.version") != null)
return true;
return Boolean.valueOf(_context.getProperty("watchdog.haltOnHang", "false")).booleanValue();
return false;
}
private void dumpStatus() {
@ -90,13 +94,14 @@ class RouterWatchdog implements Runnable {
long used = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
_log.error("Memory: " + DataHelper.formatSize(used) + '/' + DataHelper.formatSize(max));
if (_consecutiveErrors == 1) {
_log.log(Log.CRIT, "Router appears hung! Will restart in 20 minutes if it doesn't fix itself");
// This might work on linux...
// It won't on windows, and we can't call i2prouter.bat either, it does something
// completely different...
ShellCommand sc = new ShellCommand();
boolean success = sc.executeSilentAndWaitTimed("./i2prouter dump", 10);
if (success)
_log.error("DUMPED THREADS TO WRAPPER LOG");
_log.log(Log.CRIT, "Threads dumped to wrapper log");
}
}
}
@ -127,7 +132,7 @@ class RouterWatchdog implements Runnable {
_consecutiveErrors++;
dumpStatus();
if (shutdownOnHang()) {
_log.log(Log.CRIT, "Router hung! hard restart!");
_log.log(Log.CRIT, "Router hung! Restart forced by watchdog!");
try { Thread.sleep(30*1000); } catch (InterruptedException ie) {}
// halt and not system.exit, since some of the shutdown hooks might be misbehaving
Runtime.getRuntime().halt(Router.EXIT_HARD_RESTART);